diff options
| author | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
|---|---|---|
| committer | Tim Redfern <tim@eclectronics.org> | 2013-09-05 17:55:35 +0100 |
| commit | 741fb4b9e135cfb161a749db88713229038577bb (patch) | |
| tree | 08bc9925659cbcac45162bacf31dc6336d4f60b4 /ffmpeg1/libavcodec/h264.c | |
| parent | a2e1bf3495b7bfefdaedb8fc737e969ab06df079 (diff) | |
making act segmenter
Diffstat (limited to 'ffmpeg1/libavcodec/h264.c')
| -rw-r--r-- | ffmpeg1/libavcodec/h264.c | 5034 |
1 files changed, 0 insertions, 5034 deletions
diff --git a/ffmpeg1/libavcodec/h264.c b/ffmpeg1/libavcodec/h264.c deleted file mode 100644 index 87322a2..0000000 --- a/ffmpeg1/libavcodec/h264.c +++ /dev/null @@ -1,5034 +0,0 @@ -/* - * H.26L/H.264/AVC/JVT/14496-10/... decoder - * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * H.264 / AVC / MPEG4 part10 codec. - * @author Michael Niedermayer <michaelni@gmx.at> - */ - -#define UNCHECKED_BITSTREAM_READER 1 - -#include "libavutil/imgutils.h" -#include "libavutil/opt.h" -#include "internal.h" -#include "cabac.h" -#include "cabac_functions.h" -#include "dsputil.h" -#include "error_resilience.h" -#include "avcodec.h" -#include "mpegvideo.h" -#include "h264.h" -#include "h264data.h" -#include "h264chroma.h" -#include "h264_mvpred.h" -#include "golomb.h" -#include "mathops.h" -#include "rectangle.h" -#include "svq3.h" -#include "thread.h" -#include "vdpau_internal.h" -#include "libavutil/avassert.h" - -// #undef NDEBUG -#include <assert.h> - -const uint16_t ff_h264_mb_sizes[4] = { 256, 384, 512, 768 }; - -static const uint8_t rem6[QP_MAX_NUM + 1] = { - 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, - 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, - 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, - 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, - 0, 1, 2, 3, -}; - -static const uint8_t div6[QP_MAX_NUM + 1] = { - 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, - 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, - 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, - 10,10,10,11,11,11,11,11,11,12,12,12,12,12,12,13,13,13, 13, 13, 13, - 14,14,14,14, -}; - -static const enum AVPixelFormat h264_hwaccel_pixfmt_list_420[] = { -#if CONFIG_H264_DXVA2_HWACCEL - AV_PIX_FMT_DXVA2_VLD, -#endif -#if CONFIG_H264_VAAPI_HWACCEL - AV_PIX_FMT_VAAPI_VLD, -#endif -#if CONFIG_H264_VDA_HWACCEL - AV_PIX_FMT_VDA_VLD, -#endif -#if CONFIG_H264_VDPAU_HWACCEL - AV_PIX_FMT_VDPAU, -#endif - AV_PIX_FMT_YUV420P, - AV_PIX_FMT_NONE -}; - -static const enum AVPixelFormat h264_hwaccel_pixfmt_list_jpeg_420[] = { -#if CONFIG_H264_DXVA2_HWACCEL - AV_PIX_FMT_DXVA2_VLD, -#endif -#if CONFIG_H264_VAAPI_HWACCEL - AV_PIX_FMT_VAAPI_VLD, -#endif -#if CONFIG_H264_VDA_HWACCEL - AV_PIX_FMT_VDA_VLD, -#endif -#if CONFIG_H264_VDPAU_HWACCEL - AV_PIX_FMT_VDPAU, -#endif - AV_PIX_FMT_YUVJ420P, - AV_PIX_FMT_NONE -}; - -int avpriv_h264_has_num_reorder_frames(AVCodecContext *avctx) -{ - H264Context *h = avctx->priv_data; - return h ? h->sps.num_reorder_frames : 0; -} - -static void h264_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type, - int (*mv)[2][4][2], - int mb_x, int mb_y, int mb_intra, int mb_skipped) -{ - H264Context *h = opaque; - - h->mb_x = mb_x; - h->mb_y = mb_y; - h->mb_xy = mb_x + mb_y * h->mb_stride; - memset(h->non_zero_count_cache, 0, sizeof(h->non_zero_count_cache)); - av_assert1(ref >= 0); - /* FIXME: It is possible albeit uncommon that slice references - * differ between slices. We take the easy approach and ignore - * it for now. If this turns out to have any relevance in - * practice then correct remapping should be added. */ - if (ref >= h->ref_count[0]) - ref = 0; - if (!h->ref_list[0][ref].f.data[0]) { - av_log(h->avctx, AV_LOG_DEBUG, "Reference not available for error concealing\n"); - ref = 0; - } - if ((h->ref_list[0][ref].reference&3) != 3) { - av_log(h->avctx, AV_LOG_DEBUG, "Reference invalid\n"); - return; - } - fill_rectangle(&h->cur_pic.ref_index[0][4 * h->mb_xy], - 2, 2, 2, ref, 1); - fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1); - fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8, - pack16to32((*mv)[0][0][0], (*mv)[0][0][1]), 4); - h->mb_mbaff = - h->mb_field_decoding_flag = 0; - ff_h264_hl_decode_mb(h); -} - -void ff_h264_draw_horiz_band(H264Context *h, int y, int height) -{ - AVCodecContext *avctx = h->avctx; - Picture *cur = &h->cur_pic; - Picture *last = h->ref_list[0][0].f.data[0] ? &h->ref_list[0][0] : NULL; - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); - int vshift = desc->log2_chroma_h; - const int field_pic = h->picture_structure != PICT_FRAME; - if (field_pic) { - height <<= 1; - y <<= 1; - } - - height = FFMIN(height, avctx->height - y); - - if (field_pic && h->first_field && !(avctx->slice_flags & SLICE_FLAG_ALLOW_FIELD)) - return; - - if (avctx->draw_horiz_band) { - AVFrame *src; - int offset[AV_NUM_DATA_POINTERS]; - int i; - - if (cur->f.pict_type == AV_PICTURE_TYPE_B || h->low_delay || - (avctx->slice_flags & SLICE_FLAG_CODED_ORDER)) - src = &cur->f; - else if (last) - src = &last->f; - else - return; - - offset[0] = y * src->linesize[0]; - offset[1] = - offset[2] = (y >> vshift) * src->linesize[1]; - for (i = 3; i < AV_NUM_DATA_POINTERS; i++) - offset[i] = 0; - - emms_c(); - - avctx->draw_horiz_band(avctx, src, offset, - y, h->picture_structure, height); - } -} - -static void unref_picture(H264Context *h, Picture *pic) -{ - int off = offsetof(Picture, tf) + sizeof(pic->tf); - int i; - - if (!pic->f.data[0]) - return; - - pic->period_since_free = 0; - ff_thread_release_buffer(h->avctx, &pic->tf); - av_buffer_unref(&pic->hwaccel_priv_buf); - - av_buffer_unref(&pic->qscale_table_buf); - av_buffer_unref(&pic->mb_type_buf); - for (i = 0; i < 2; i++) { - av_buffer_unref(&pic->motion_val_buf[i]); - av_buffer_unref(&pic->ref_index_buf[i]); - } - - memset((uint8_t*)pic + off, 0, sizeof(*pic) - off); -} - -static void release_unused_pictures(H264Context *h, int remove_current) -{ - int i; - - /* release non reference frames */ - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - if (h->DPB[i].f.data[0] && !h->DPB[i].reference && - (remove_current || &h->DPB[i] != h->cur_pic_ptr)) { - unref_picture(h, &h->DPB[i]); - } - } -} - -static int ref_picture(H264Context *h, Picture *dst, Picture *src) -{ - int ret, i; - - av_assert0(!dst->f.buf[0]); - av_assert0(src->f.buf[0]); - - src->tf.f = &src->f; - dst->tf.f = &dst->f; - ret = ff_thread_ref_frame(&dst->tf, &src->tf); - if (ret < 0) - goto fail; - - - dst->qscale_table_buf = av_buffer_ref(src->qscale_table_buf); - dst->mb_type_buf = av_buffer_ref(src->mb_type_buf); - if (!dst->qscale_table_buf || !dst->mb_type_buf) - goto fail; - dst->qscale_table = src->qscale_table; - dst->mb_type = src->mb_type; - - for (i = 0; i < 2; i ++) { - dst->motion_val_buf[i] = av_buffer_ref(src->motion_val_buf[i]); - dst->ref_index_buf[i] = av_buffer_ref(src->ref_index_buf[i]); - if (!dst->motion_val_buf[i] || !dst->ref_index_buf[i]) - goto fail; - dst->motion_val[i] = src->motion_val[i]; - dst->ref_index[i] = src->ref_index[i]; - } - - if (src->hwaccel_picture_private) { - dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf); - if (!dst->hwaccel_priv_buf) - goto fail; - dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data; - } - - for (i = 0; i < 2; i++) - dst->field_poc[i] = src->field_poc[i]; - - memcpy(dst->ref_poc, src->ref_poc, sizeof(src->ref_poc)); - memcpy(dst->ref_count, src->ref_count, sizeof(src->ref_count)); - - dst->poc = src->poc; - dst->frame_num = src->frame_num; - dst->mmco_reset = src->mmco_reset; - dst->pic_id = src->pic_id; - dst->long_ref = src->long_ref; - dst->mbaff = src->mbaff; - dst->field_picture = src->field_picture; - dst->needs_realloc = src->needs_realloc; - dst->reference = src->reference; - dst->sync = src->sync; - dst->period_since_free = src->period_since_free; - - return 0; -fail: - unref_picture(h, dst); - return ret; -} - - -static int alloc_scratch_buffers(H264Context *h, int linesize) -{ - int alloc_size = FFALIGN(FFABS(linesize) + 32, 32); - - if (h->bipred_scratchpad) - return 0; - - h->bipred_scratchpad = av_malloc(16 * 6 * alloc_size); - // edge emu needs blocksize + filter length - 1 - // (= 21x21 for h264) - h->edge_emu_buffer = av_mallocz(alloc_size * 2 * 21); - h->me.scratchpad = av_mallocz(alloc_size * 2 * 16 * 2); - - if (!h->bipred_scratchpad || !h->edge_emu_buffer || !h->me.scratchpad) { - av_freep(&h->bipred_scratchpad); - av_freep(&h->edge_emu_buffer); - av_freep(&h->me.scratchpad); - return AVERROR(ENOMEM); - } - - h->me.temp = h->me.scratchpad; - - return 0; -} - -static int init_table_pools(H264Context *h) -{ - const int big_mb_num = h->mb_stride * (h->mb_height + 1) + 1; - const int mb_array_size = h->mb_stride * h->mb_height; - const int b4_stride = h->mb_width * 4 + 1; - const int b4_array_size = b4_stride * h->mb_height * 4; - - h->qscale_table_pool = av_buffer_pool_init(big_mb_num + h->mb_stride, - av_buffer_allocz); - h->mb_type_pool = av_buffer_pool_init((big_mb_num + h->mb_stride) * - sizeof(uint32_t), av_buffer_allocz); - h->motion_val_pool = av_buffer_pool_init(2 * (b4_array_size + 4) * - sizeof(int16_t), av_buffer_allocz); - h->ref_index_pool = av_buffer_pool_init(4 * mb_array_size, av_buffer_allocz); - - if (!h->qscale_table_pool || !h->mb_type_pool || !h->motion_val_pool || - !h->ref_index_pool) { - av_buffer_pool_uninit(&h->qscale_table_pool); - av_buffer_pool_uninit(&h->mb_type_pool); - av_buffer_pool_uninit(&h->motion_val_pool); - av_buffer_pool_uninit(&h->ref_index_pool); - return AVERROR(ENOMEM); - } - - return 0; -} - -static int alloc_picture(H264Context *h, Picture *pic) -{ - int i, ret = 0; - - av_assert0(!pic->f.data[0]); - - pic->tf.f = &pic->f; - ret = ff_thread_get_buffer(h->avctx, &pic->tf, pic->reference ? - AV_GET_BUFFER_FLAG_REF : 0); - if (ret < 0) - goto fail; - - h->linesize = pic->f.linesize[0]; - h->uvlinesize = pic->f.linesize[1]; - - if (h->avctx->hwaccel) { - const AVHWAccel *hwaccel = h->avctx->hwaccel; - av_assert0(!pic->hwaccel_picture_private); - if (hwaccel->priv_data_size) { - pic->hwaccel_priv_buf = av_buffer_allocz(hwaccel->priv_data_size); - if (!pic->hwaccel_priv_buf) - return AVERROR(ENOMEM); - pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data; - } - } - - if (!h->qscale_table_pool) { - ret = init_table_pools(h); - if (ret < 0) - goto fail; - } - - pic->qscale_table_buf = av_buffer_pool_get(h->qscale_table_pool); - pic->mb_type_buf = av_buffer_pool_get(h->mb_type_pool); - if (!pic->qscale_table_buf || !pic->mb_type_buf) - goto fail; - - pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * h->mb_stride + 1; - pic->qscale_table = pic->qscale_table_buf->data + 2 * h->mb_stride + 1; - - for (i = 0; i < 2; i++) { - pic->motion_val_buf[i] = av_buffer_pool_get(h->motion_val_pool); - pic->ref_index_buf[i] = av_buffer_pool_get(h->ref_index_pool); - if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i]) - goto fail; - - pic->motion_val[i] = (int16_t (*)[2])pic->motion_val_buf[i]->data + 4; - pic->ref_index[i] = pic->ref_index_buf[i]->data; - } - - return 0; -fail: - unref_picture(h, pic); - return (ret < 0) ? ret : AVERROR(ENOMEM); -} - -static inline int pic_is_unused(H264Context *h, Picture *pic) -{ - if ( (h->avctx->active_thread_type & FF_THREAD_FRAME) - && pic->f.qscale_table //check if the frame has anything allocated - && pic->period_since_free < h->avctx->thread_count) - return 0; - if (pic->f.data[0] == NULL) - return 1; - if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF)) - return 1; - return 0; -} - -static int find_unused_picture(H264Context *h) -{ - int i; - - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - if (pic_is_unused(h, &h->DPB[i])) - break; - } - if (i == MAX_PICTURE_COUNT) - return AVERROR_INVALIDDATA; - - if (h->DPB[i].needs_realloc) { - h->DPB[i].needs_realloc = 0; - unref_picture(h, &h->DPB[i]); - } - - return i; -} - -/** - * Check if the top & left blocks are available if needed and - * change the dc mode so it only uses the available blocks. - */ -int ff_h264_check_intra4x4_pred_mode(H264Context *h) -{ - static const int8_t top[12] = { - -1, 0, LEFT_DC_PRED, -1, -1, -1, -1, -1, 0 - }; - static const int8_t left[12] = { - 0, -1, TOP_DC_PRED, 0, -1, -1, -1, 0, -1, DC_128_PRED - }; - int i; - - if (!(h->top_samples_available & 0x8000)) { - for (i = 0; i < 4; i++) { - int status = top[h->intra4x4_pred_mode_cache[scan8[0] + i]]; - if (status < 0) { - av_log(h->avctx, AV_LOG_ERROR, - "top block unavailable for requested intra4x4 mode %d at %d %d\n", - status, h->mb_x, h->mb_y); - return -1; - } else if (status) { - h->intra4x4_pred_mode_cache[scan8[0] + i] = status; - } - } - } - - if ((h->left_samples_available & 0x8888) != 0x8888) { - static const int mask[4] = { 0x8000, 0x2000, 0x80, 0x20 }; - for (i = 0; i < 4; i++) - if (!(h->left_samples_available & mask[i])) { - int status = left[h->intra4x4_pred_mode_cache[scan8[0] + 8 * i]]; - if (status < 0) { - av_log(h->avctx, AV_LOG_ERROR, - "left block unavailable for requested intra4x4 mode %d at %d %d\n", - status, h->mb_x, h->mb_y); - return -1; - } else if (status) { - h->intra4x4_pred_mode_cache[scan8[0] + 8 * i] = status; - } - } - } - - return 0; -} // FIXME cleanup like ff_h264_check_intra_pred_mode - -/** - * Check if the top & left blocks are available if needed and - * change the dc mode so it only uses the available blocks. - */ -int ff_h264_check_intra_pred_mode(H264Context *h, int mode, int is_chroma) -{ - static const int8_t top[7] = { LEFT_DC_PRED8x8, 1, -1, -1 }; - static const int8_t left[7] = { TOP_DC_PRED8x8, -1, 2, -1, DC_128_PRED8x8 }; - - if (mode > 6U) { - av_log(h->avctx, AV_LOG_ERROR, - "out of range intra chroma pred mode at %d %d\n", - h->mb_x, h->mb_y); - return -1; - } - - if (!(h->top_samples_available & 0x8000)) { - mode = top[mode]; - if (mode < 0) { - av_log(h->avctx, AV_LOG_ERROR, - "top block unavailable for requested intra mode at %d %d\n", - h->mb_x, h->mb_y); - return -1; - } - } - - if ((h->left_samples_available & 0x8080) != 0x8080) { - mode = left[mode]; - if (is_chroma && (h->left_samples_available & 0x8080)) { - // mad cow disease mode, aka MBAFF + constrained_intra_pred - mode = ALZHEIMER_DC_L0T_PRED8x8 + - (!(h->left_samples_available & 0x8000)) + - 2 * (mode == DC_128_PRED8x8); - } - if (mode < 0) { - av_log(h->avctx, AV_LOG_ERROR, - "left block unavailable for requested intra mode at %d %d\n", - h->mb_x, h->mb_y); - return -1; - } - } - - return mode; -} - -const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, - int *dst_length, int *consumed, int length) -{ - int i, si, di; - uint8_t *dst; - int bufidx; - - // src[0]&0x80; // forbidden bit - h->nal_ref_idc = src[0] >> 5; - h->nal_unit_type = src[0] & 0x1F; - - src++; - length--; - -#define STARTCODE_TEST \ - if (i + 2 < length && src[i + 1] == 0 && src[i + 2] <= 3) { \ - if (src[i + 2] != 3) { \ - /* startcode, so we must be past the end */ \ - length = i; \ - } \ - break; \ - } -#if HAVE_FAST_UNALIGNED -#define FIND_FIRST_ZERO \ - if (i > 0 && !src[i]) \ - i--; \ - while (src[i]) \ - i++ -#if HAVE_FAST_64BIT - for (i = 0; i + 1 < length; i += 9) { - if (!((~AV_RN64A(src + i) & - (AV_RN64A(src + i) - 0x0100010001000101ULL)) & - 0x8000800080008080ULL)) - continue; - FIND_FIRST_ZERO; - STARTCODE_TEST; - i -= 7; - } -#else - for (i = 0; i + 1 < length; i += 5) { - if (!((~AV_RN32A(src + i) & - (AV_RN32A(src + i) - 0x01000101U)) & - 0x80008080U)) - continue; - FIND_FIRST_ZERO; - STARTCODE_TEST; - i -= 3; - } -#endif -#else - for (i = 0; i + 1 < length; i += 2) { - if (src[i]) - continue; - if (i > 0 && src[i - 1] == 0) - i--; - STARTCODE_TEST; - } -#endif - - // use second escape buffer for inter data - bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0; - - si = h->rbsp_buffer_size[bufidx]; - av_fast_padded_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+MAX_MBPAIR_SIZE); - dst = h->rbsp_buffer[bufidx]; - - if (dst == NULL) - return NULL; - - if(i>=length-1){ //no escaped 0 - *dst_length= length; - *consumed= length+1; //+1 for the header - if(h->avctx->flags2 & CODEC_FLAG2_FAST){ - return src; - }else{ - memcpy(dst, src, length); - return dst; - } - } - - memcpy(dst, src, i); - si = di = i; - while (si + 2 < length) { - // remove escapes (very rare 1:2^22) - if (src[si + 2] > 3) { - dst[di++] = src[si++]; - dst[di++] = src[si++]; - } else if (src[si] == 0 && src[si + 1] == 0) { - if (src[si + 2] == 3) { // escape - dst[di++] = 0; - dst[di++] = 0; - si += 3; - continue; - } else // next start code - goto nsc; - } - - dst[di++] = src[si++]; - } - while (si < length) - dst[di++] = src[si++]; -nsc: - - memset(dst + di, 0, FF_INPUT_BUFFER_PADDING_SIZE); - - *dst_length = di; - *consumed = si + 1; // +1 for the header - /* FIXME store exact number of bits in the getbitcontext - * (it is needed for decoding) */ - return dst; -} - -/** - * Identify the exact end of the bitstream - * @return the length of the trailing, or 0 if damaged - */ -static int decode_rbsp_trailing(H264Context *h, const uint8_t *src) -{ - int v = *src; - int r; - - tprintf(h->avctx, "rbsp trailing %X\n", v); - - for (r = 1; r < 9; r++) { - if (v & 1) - return r; - v >>= 1; - } - return 0; -} - -static inline int get_lowest_part_list_y(H264Context *h, Picture *pic, int n, - int height, int y_offset, int list) -{ - int raw_my = h->mv_cache[list][scan8[n]][1]; - int filter_height_down = (raw_my & 3) ? 3 : 0; - int full_my = (raw_my >> 2) + y_offset; - int bottom = full_my + filter_height_down + height; - - av_assert2(height >= 0); - - return FFMAX(0, bottom); -} - -static inline void get_lowest_part_y(H264Context *h, int refs[2][48], int n, - int height, int y_offset, int list0, - int list1, int *nrefs) -{ - int my; - - y_offset += 16 * (h->mb_y >> MB_FIELD(h)); - - if (list0) { - int ref_n = h->ref_cache[0][scan8[n]]; - Picture *ref = &h->ref_list[0][ref_n]; - - // Error resilience puts the current picture in the ref list. - // Don't try to wait on these as it will cause a deadlock. - // Fields can wait on each other, though. - if (ref->tf.progress->data != h->cur_pic.tf.progress->data || - (ref->reference & 3) != h->picture_structure) { - my = get_lowest_part_list_y(h, ref, n, height, y_offset, 0); - if (refs[0][ref_n] < 0) - nrefs[0] += 1; - refs[0][ref_n] = FFMAX(refs[0][ref_n], my); - } - } - - if (list1) { - int ref_n = h->ref_cache[1][scan8[n]]; - Picture *ref = &h->ref_list[1][ref_n]; - - if (ref->tf.progress->data != h->cur_pic.tf.progress->data || - (ref->reference & 3) != h->picture_structure) { - my = get_lowest_part_list_y(h, ref, n, height, y_offset, 1); - if (refs[1][ref_n] < 0) - nrefs[1] += 1; - refs[1][ref_n] = FFMAX(refs[1][ref_n], my); - } - } -} - -/** - * Wait until all reference frames are available for MC operations. - * - * @param h the H264 context - */ -static void await_references(H264Context *h) -{ - const int mb_xy = h->mb_xy; - const int mb_type = h->cur_pic.mb_type[mb_xy]; - int refs[2][48]; - int nrefs[2] = { 0 }; - int ref, list; - - memset(refs, -1, sizeof(refs)); - - if (IS_16X16(mb_type)) { - get_lowest_part_y(h, refs, 0, 16, 0, - IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); - } else if (IS_16X8(mb_type)) { - get_lowest_part_y(h, refs, 0, 8, 0, - IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); - get_lowest_part_y(h, refs, 8, 8, 8, - IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs); - } else if (IS_8X16(mb_type)) { - get_lowest_part_y(h, refs, 0, 16, 0, - IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1), nrefs); - get_lowest_part_y(h, refs, 4, 16, 0, - IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1), nrefs); - } else { - int i; - - av_assert2(IS_8X8(mb_type)); - - for (i = 0; i < 4; i++) { - const int sub_mb_type = h->sub_mb_type[i]; - const int n = 4 * i; - int y_offset = (i & 2) << 2; - - if (IS_SUB_8X8(sub_mb_type)) { - get_lowest_part_y(h, refs, n, 8, y_offset, - IS_DIR(sub_mb_type, 0, 0), - IS_DIR(sub_mb_type, 0, 1), - nrefs); - } else if (IS_SUB_8X4(sub_mb_type)) { - get_lowest_part_y(h, refs, n, 4, y_offset, - IS_DIR(sub_mb_type, 0, 0), - IS_DIR(sub_mb_type, 0, 1), - nrefs); - get_lowest_part_y(h, refs, n + 2, 4, y_offset + 4, - IS_DIR(sub_mb_type, 0, 0), - IS_DIR(sub_mb_type, 0, 1), - nrefs); - } else if (IS_SUB_4X8(sub_mb_type)) { - get_lowest_part_y(h, refs, n, 8, y_offset, - IS_DIR(sub_mb_type, 0, 0), - IS_DIR(sub_mb_type, 0, 1), - nrefs); - get_lowest_part_y(h, refs, n + 1, 8, y_offset, - IS_DIR(sub_mb_type, 0, 0), - IS_DIR(sub_mb_type, 0, 1), - nrefs); - } else { - int j; - av_assert2(IS_SUB_4X4(sub_mb_type)); - for (j = 0; j < 4; j++) { - int sub_y_offset = y_offset + 2 * (j & 2); - get_lowest_part_y(h, refs, n + j, 4, sub_y_offset, - IS_DIR(sub_mb_type, 0, 0), - IS_DIR(sub_mb_type, 0, 1), - nrefs); - } - } - } - } - - for (list = h->list_count - 1; list >= 0; list--) - for (ref = 0; ref < 48 && nrefs[list]; ref++) { - int row = refs[list][ref]; - if (row >= 0) { - Picture *ref_pic = &h->ref_list[list][ref]; - int ref_field = ref_pic->reference - 1; - int ref_field_picture = ref_pic->field_picture; - int pic_height = 16 * h->mb_height >> ref_field_picture; - - row <<= MB_MBAFF(h); - nrefs[list]--; - - if (!FIELD_PICTURE(h) && ref_field_picture) { // frame referencing two fields - ff_thread_await_progress(&ref_pic->tf, - FFMIN((row >> 1) - !(row & 1), - pic_height - 1), - 1); - ff_thread_await_progress(&ref_pic->tf, - FFMIN((row >> 1), pic_height - 1), - 0); - } else if (FIELD_PICTURE(h) && !ref_field_picture) { // field referencing one field of a frame - ff_thread_await_progress(&ref_pic->tf, - FFMIN(row * 2 + ref_field, - pic_height - 1), - 0); - } else if (FIELD_PICTURE(h)) { - ff_thread_await_progress(&ref_pic->tf, - FFMIN(row, pic_height - 1), - ref_field); - } else { - ff_thread_await_progress(&ref_pic->tf, - FFMIN(row, pic_height - 1), - 0); - } - } - } -} - -static av_always_inline void mc_dir_part(H264Context *h, Picture *pic, - int n, int square, int height, - int delta, int list, - uint8_t *dest_y, uint8_t *dest_cb, - uint8_t *dest_cr, - int src_x_offset, int src_y_offset, - qpel_mc_func *qpix_op, - h264_chroma_mc_func chroma_op, - int pixel_shift, int chroma_idc) -{ - const int mx = h->mv_cache[list][scan8[n]][0] + src_x_offset * 8; - int my = h->mv_cache[list][scan8[n]][1] + src_y_offset * 8; - const int luma_xy = (mx & 3) + ((my & 3) << 2); - int offset = ((mx >> 2) << pixel_shift) + (my >> 2) * h->mb_linesize; - uint8_t *src_y = pic->f.data[0] + offset; - uint8_t *src_cb, *src_cr; - int extra_width = 0; - int extra_height = 0; - int emu = 0; - const int full_mx = mx >> 2; - const int full_my = my >> 2; - const int pic_width = 16 * h->mb_width; - const int pic_height = 16 * h->mb_height >> MB_FIELD(h); - int ysh; - - if (mx & 7) - extra_width -= 3; - if (my & 7) - extra_height -= 3; - - if (full_mx < 0 - extra_width || - full_my < 0 - extra_height || - full_mx + 16 /*FIXME*/ > pic_width + extra_width || - full_my + 16 /*FIXME*/ > pic_height + extra_height) { - h->vdsp.emulated_edge_mc(h->edge_emu_buffer, - src_y - (2 << pixel_shift) - 2 * h->mb_linesize, - h->mb_linesize, - 16 + 5, 16 + 5 /*FIXME*/, full_mx - 2, - full_my - 2, pic_width, pic_height); - src_y = h->edge_emu_buffer + (2 << pixel_shift) + 2 * h->mb_linesize; - emu = 1; - } - - qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); // FIXME try variable height perhaps? - if (!square) - qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize); - - if (CONFIG_GRAY && h->flags & CODEC_FLAG_GRAY) - return; - - if (chroma_idc == 3 /* yuv444 */) { - src_cb = pic->f.data[1] + offset; - if (emu) { - h->vdsp.emulated_edge_mc(h->edge_emu_buffer, - src_cb - (2 << pixel_shift) - 2 * h->mb_linesize, - h->mb_linesize, - 16 + 5, 16 + 5 /*FIXME*/, - full_mx - 2, full_my - 2, - pic_width, pic_height); - src_cb = h->edge_emu_buffer + (2 << pixel_shift) + 2 * h->mb_linesize; - } - qpix_op[luma_xy](dest_cb, src_cb, h->mb_linesize); // FIXME try variable height perhaps? - if (!square) - qpix_op[luma_xy](dest_cb + delta, src_cb + delta, h->mb_linesize); - - src_cr = pic->f.data[2] + offset; - if (emu) { - h->vdsp.emulated_edge_mc(h->edge_emu_buffer, - src_cr - (2 << pixel_shift) - 2 * h->mb_linesize, - h->mb_linesize, - 16 + 5, 16 + 5 /*FIXME*/, - full_mx - 2, full_my - 2, - pic_width, pic_height); - src_cr = h->edge_emu_buffer + (2 << pixel_shift) + 2 * h->mb_linesize; - } - qpix_op[luma_xy](dest_cr, src_cr, h->mb_linesize); // FIXME try variable height perhaps? - if (!square) - qpix_op[luma_xy](dest_cr + delta, src_cr + delta, h->mb_linesize); - return; - } - - ysh = 3 - (chroma_idc == 2 /* yuv422 */); - if (chroma_idc == 1 /* yuv420 */ && MB_FIELD(h)) { - // chroma offset when predicting from a field of opposite parity - my += 2 * ((h->mb_y & 1) - (pic->reference - 1)); - emu |= (my >> 3) < 0 || (my >> 3) + 8 >= (pic_height >> 1); - } - - src_cb = pic->f.data[1] + ((mx >> 3) << pixel_shift) + - (my >> ysh) * h->mb_uvlinesize; - src_cr = pic->f.data[2] + ((mx >> 3) << pixel_shift) + - (my >> ysh) * h->mb_uvlinesize; - - if (emu) { - h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cb, h->mb_uvlinesize, - 9, 8 * chroma_idc + 1, (mx >> 3), (my >> ysh), - pic_width >> 1, pic_height >> (chroma_idc == 1 /* yuv420 */)); - src_cb = h->edge_emu_buffer; - } - chroma_op(dest_cb, src_cb, h->mb_uvlinesize, - height >> (chroma_idc == 1 /* yuv420 */), - mx & 7, (my << (chroma_idc == 2 /* yuv422 */)) & 7); - - if (emu) { - h->vdsp.emulated_edge_mc(h->edge_emu_buffer, src_cr, h->mb_uvlinesize, - 9, 8 * chroma_idc + 1, (mx >> 3), (my >> ysh), - pic_width >> 1, pic_height >> (chroma_idc == 1 /* yuv420 */)); - src_cr = h->edge_emu_buffer; - } - chroma_op(dest_cr, src_cr, h->mb_uvlinesize, height >> (chroma_idc == 1 /* yuv420 */), - mx & 7, (my << (chroma_idc == 2 /* yuv422 */)) & 7); -} - -static av_always_inline void mc_part_std(H264Context *h, int n, int square, - int height, int delta, - uint8_t *dest_y, uint8_t *dest_cb, - uint8_t *dest_cr, - int x_offset, int y_offset, - qpel_mc_func *qpix_put, - h264_chroma_mc_func chroma_put, - qpel_mc_func *qpix_avg, - h264_chroma_mc_func chroma_avg, - int list0, int list1, - int pixel_shift, int chroma_idc) -{ - qpel_mc_func *qpix_op = qpix_put; - h264_chroma_mc_func chroma_op = chroma_put; - - dest_y += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize; - if (chroma_idc == 3 /* yuv444 */) { - dest_cb += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize; - dest_cr += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize; - } else if (chroma_idc == 2 /* yuv422 */) { - dest_cb += (x_offset << pixel_shift) + 2 * y_offset * h->mb_uvlinesize; - dest_cr += (x_offset << pixel_shift) + 2 * y_offset * h->mb_uvlinesize; - } else { /* yuv420 */ - dest_cb += (x_offset << pixel_shift) + y_offset * h->mb_uvlinesize; - dest_cr += (x_offset << pixel_shift) + y_offset * h->mb_uvlinesize; - } - x_offset += 8 * h->mb_x; - y_offset += 8 * (h->mb_y >> MB_FIELD(h)); - - if (list0) { - Picture *ref = &h->ref_list[0][h->ref_cache[0][scan8[n]]]; - mc_dir_part(h, ref, n, square, height, delta, 0, - dest_y, dest_cb, dest_cr, x_offset, y_offset, - qpix_op, chroma_op, pixel_shift, chroma_idc); - - qpix_op = qpix_avg; - chroma_op = chroma_avg; - } - - if (list1) { - Picture *ref = &h->ref_list[1][h->ref_cache[1][scan8[n]]]; - mc_dir_part(h, ref, n, square, height, delta, 1, - dest_y, dest_cb, dest_cr, x_offset, y_offset, - qpix_op, chroma_op, pixel_shift, chroma_idc); - } -} - -static av_always_inline void mc_part_weighted(H264Context *h, int n, int square, - int height, int delta, - uint8_t *dest_y, uint8_t *dest_cb, - uint8_t *dest_cr, - int x_offset, int y_offset, - qpel_mc_func *qpix_put, - h264_chroma_mc_func chroma_put, - h264_weight_func luma_weight_op, - h264_weight_func chroma_weight_op, - h264_biweight_func luma_weight_avg, - h264_biweight_func chroma_weight_avg, - int list0, int list1, - int pixel_shift, int chroma_idc) -{ - int chroma_height; - - dest_y += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize; - if (chroma_idc == 3 /* yuv444 */) { - chroma_height = height; - chroma_weight_avg = luma_weight_avg; - chroma_weight_op = luma_weight_op; - dest_cb += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize; - dest_cr += (2 * x_offset << pixel_shift) + 2 * y_offset * h->mb_linesize; - } else if (chroma_idc == 2 /* yuv422 */) { - chroma_height = height; - dest_cb += (x_offset << pixel_shift) + 2 * y_offset * h->mb_uvlinesize; - dest_cr += (x_offset << pixel_shift) + 2 * y_offset * h->mb_uvlinesize; - } else { /* yuv420 */ - chroma_height = height >> 1; - dest_cb += (x_offset << pixel_shift) + y_offset * h->mb_uvlinesize; - dest_cr += (x_offset << pixel_shift) + y_offset * h->mb_uvlinesize; - } - x_offset += 8 * h->mb_x; - y_offset += 8 * (h->mb_y >> MB_FIELD(h)); - - if (list0 && list1) { - /* don't optimize for luma-only case, since B-frames usually - * use implicit weights => chroma too. */ - uint8_t *tmp_cb = h->bipred_scratchpad; - uint8_t *tmp_cr = h->bipred_scratchpad + (16 << pixel_shift); - uint8_t *tmp_y = h->bipred_scratchpad + 16 * h->mb_uvlinesize; - int refn0 = h->ref_cache[0][scan8[n]]; - int refn1 = h->ref_cache[1][scan8[n]]; - - mc_dir_part(h, &h->ref_list[0][refn0], n, square, height, delta, 0, - dest_y, dest_cb, dest_cr, - x_offset, y_offset, qpix_put, chroma_put, - pixel_shift, chroma_idc); - mc_dir_part(h, &h->ref_list[1][refn1], n, square, height, delta, 1, - tmp_y, tmp_cb, tmp_cr, - x_offset, y_offset, qpix_put, chroma_put, - pixel_shift, chroma_idc); - - if (h->use_weight == 2) { - int weight0 = h->implicit_weight[refn0][refn1][h->mb_y & 1]; - int weight1 = 64 - weight0; - luma_weight_avg(dest_y, tmp_y, h->mb_linesize, - height, 5, weight0, weight1, 0); - chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, - chroma_height, 5, weight0, weight1, 0); - chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, - chroma_height, 5, weight0, weight1, 0); - } else { - luma_weight_avg(dest_y, tmp_y, h->mb_linesize, height, - h->luma_log2_weight_denom, - h->luma_weight[refn0][0][0], - h->luma_weight[refn1][1][0], - h->luma_weight[refn0][0][1] + - h->luma_weight[refn1][1][1]); - chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, chroma_height, - h->chroma_log2_weight_denom, - h->chroma_weight[refn0][0][0][0], - h->chroma_weight[refn1][1][0][0], - h->chroma_weight[refn0][0][0][1] + - h->chroma_weight[refn1][1][0][1]); - chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, chroma_height, - h->chroma_log2_weight_denom, - h->chroma_weight[refn0][0][1][0], - h->chroma_weight[refn1][1][1][0], - h->chroma_weight[refn0][0][1][1] + - h->chroma_weight[refn1][1][1][1]); - } - } else { - int list = list1 ? 1 : 0; - int refn = h->ref_cache[list][scan8[n]]; - Picture *ref = &h->ref_list[list][refn]; - mc_dir_part(h, ref, n, square, height, delta, list, - dest_y, dest_cb, dest_cr, x_offset, y_offset, - qpix_put, chroma_put, pixel_shift, chroma_idc); - - luma_weight_op(dest_y, h->mb_linesize, height, - h->luma_log2_weight_denom, - h->luma_weight[refn][list][0], - h->luma_weight[refn][list][1]); - if (h->use_weight_chroma) { - chroma_weight_op(dest_cb, h->mb_uvlinesize, chroma_height, - h->chroma_log2_weight_denom, - h->chroma_weight[refn][list][0][0], - h->chroma_weight[refn][list][0][1]); - chroma_weight_op(dest_cr, h->mb_uvlinesize, chroma_height, - h->chroma_log2_weight_denom, - h->chroma_weight[refn][list][1][0], - h->chroma_weight[refn][list][1][1]); - } - } -} - -static av_always_inline void prefetch_motion(H264Context *h, int list, - int pixel_shift, int chroma_idc) -{ - /* fetch pixels for estimated mv 4 macroblocks ahead - * optimized for 64byte cache lines */ - const int refn = h->ref_cache[list][scan8[0]]; - if (refn >= 0) { - const int mx = (h->mv_cache[list][scan8[0]][0] >> 2) + 16 * h->mb_x + 8; - const int my = (h->mv_cache[list][scan8[0]][1] >> 2) + 16 * h->mb_y; - uint8_t **src = h->ref_list[list][refn].f.data; - int off = (mx << pixel_shift) + - (my + (h->mb_x & 3) * 4) * h->mb_linesize + - (64 << pixel_shift); - h->vdsp.prefetch(src[0] + off, h->linesize, 4); - if (chroma_idc == 3 /* yuv444 */) { - h->vdsp.prefetch(src[1] + off, h->linesize, 4); - h->vdsp.prefetch(src[2] + off, h->linesize, 4); - } else { - off= (((mx>>1)+64)<<pixel_shift) + ((my>>1) + (h->mb_x&7))*h->uvlinesize; - h->vdsp.prefetch(src[1] + off, src[2] - src[1], 2); - } - } -} - -static void free_tables(H264Context *h, int free_rbsp) -{ - int i; - H264Context *hx; - - av_freep(&h->intra4x4_pred_mode); - av_freep(&h->chroma_pred_mode_table); - av_freep(&h->cbp_table); - av_freep(&h->mvd_table[0]); - av_freep(&h->mvd_table[1]); - av_freep(&h->direct_table); - av_freep(&h->non_zero_count); - av_freep(&h->slice_table_base); - h->slice_table = NULL; - av_freep(&h->list_counts); - - av_freep(&h->mb2b_xy); - av_freep(&h->mb2br_xy); - - for (i = 0; i < 3; i++) - av_freep(&h->visualization_buffer[i]); - - av_buffer_pool_uninit(&h->qscale_table_pool); - av_buffer_pool_uninit(&h->mb_type_pool); - av_buffer_pool_uninit(&h->motion_val_pool); - av_buffer_pool_uninit(&h->ref_index_pool); - - if (free_rbsp && h->DPB) { - for (i = 0; i < MAX_PICTURE_COUNT; i++) - unref_picture(h, &h->DPB[i]); - av_freep(&h->DPB); - } else if (h->DPB) { - for (i = 0; i < MAX_PICTURE_COUNT; i++) - h->DPB[i].needs_realloc = 1; - } - - h->cur_pic_ptr = NULL; - - for (i = 0; i < MAX_THREADS; i++) { - hx = h->thread_context[i]; - if (!hx) - continue; - av_freep(&hx->top_borders[1]); - av_freep(&hx->top_borders[0]); - av_freep(&hx->bipred_scratchpad); - av_freep(&hx->edge_emu_buffer); - av_freep(&hx->dc_val_base); - av_freep(&hx->me.scratchpad); - av_freep(&hx->er.mb_index2xy); - av_freep(&hx->er.error_status_table); - av_freep(&hx->er.er_temp_buffer); - av_freep(&hx->er.mbintra_table); - av_freep(&hx->er.mbskip_table); - - if (free_rbsp) { - av_freep(&hx->rbsp_buffer[1]); - av_freep(&hx->rbsp_buffer[0]); - hx->rbsp_buffer_size[0] = 0; - hx->rbsp_buffer_size[1] = 0; - } - if (i) - av_freep(&h->thread_context[i]); - } -} - -static void init_dequant8_coeff_table(H264Context *h) -{ - int i, j, q, x; - const int max_qp = 51 + 6 * (h->sps.bit_depth_luma - 8); - - for (i = 0; i < 6; i++) { - h->dequant8_coeff[i] = h->dequant8_buffer[i]; - for (j = 0; j < i; j++) - if (!memcmp(h->pps.scaling_matrix8[j], h->pps.scaling_matrix8[i], - 64 * sizeof(uint8_t))) { - h->dequant8_coeff[i] = h->dequant8_buffer[j]; - break; - } - if (j < i) - continue; - - for (q = 0; q < max_qp + 1; q++) { - int shift = div6[q]; - int idx = rem6[q]; - for (x = 0; x < 64; x++) - h->dequant8_coeff[i][q][(x >> 3) | ((x & 7) << 3)] = - ((uint32_t)dequant8_coeff_init[idx][dequant8_coeff_init_scan[((x >> 1) & 12) | (x & 3)]] * - h->pps.scaling_matrix8[i][x]) << shift; - } - } -} - -static void init_dequant4_coeff_table(H264Context *h) -{ - int i, j, q, x; - const int max_qp = 51 + 6 * (h->sps.bit_depth_luma - 8); - for (i = 0; i < 6; i++) { - h->dequant4_coeff[i] = h->dequant4_buffer[i]; - for (j = 0; j < i; j++) - if (!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], - 16 * sizeof(uint8_t))) { - h->dequant4_coeff[i] = h->dequant4_buffer[j]; - break; - } - if (j < i) - continue; - - for (q = 0; q < max_qp + 1; q++) { - int shift = div6[q] + 2; - int idx = rem6[q]; - for (x = 0; x < 16; x++) - h->dequant4_coeff[i][q][(x >> 2) | ((x << 2) & 0xF)] = - ((uint32_t)dequant4_coeff_init[idx][(x & 1) + ((x >> 2) & 1)] * - h->pps.scaling_matrix4[i][x]) << shift; - } - } -} - -static void init_dequant_tables(H264Context *h) -{ - int i, x; - init_dequant4_coeff_table(h); - if (h->pps.transform_8x8_mode) - init_dequant8_coeff_table(h); - if (h->sps.transform_bypass) { - for (i = 0; i < 6; i++) - for (x = 0; x < 16; x++) - h->dequant4_coeff[i][0][x] = 1 << 6; - if (h->pps.transform_8x8_mode) - for (i = 0; i < 6; i++) - for (x = 0; x < 64; x++) - h->dequant8_coeff[i][0][x] = 1 << 6; - } -} - -int ff_h264_alloc_tables(H264Context *h) -{ - const int big_mb_num = h->mb_stride * (h->mb_height + 1); - const int row_mb_num = 2*h->mb_stride*FFMAX(h->avctx->thread_count, 1); - int x, y, i; - - FF_ALLOCZ_OR_GOTO(h->avctx, h->intra4x4_pred_mode, - row_mb_num * 8 * sizeof(uint8_t), fail) - FF_ALLOCZ_OR_GOTO(h->avctx, h->non_zero_count, - big_mb_num * 48 * sizeof(uint8_t), fail) - FF_ALLOCZ_OR_GOTO(h->avctx, h->slice_table_base, - (big_mb_num + h->mb_stride) * sizeof(*h->slice_table_base), fail) - FF_ALLOCZ_OR_GOTO(h->avctx, h->cbp_table, - big_mb_num * sizeof(uint16_t), fail) - FF_ALLOCZ_OR_GOTO(h->avctx, h->chroma_pred_mode_table, - big_mb_num * sizeof(uint8_t), fail) - FF_ALLOCZ_OR_GOTO(h->avctx, h->mvd_table[0], - 16 * row_mb_num * sizeof(uint8_t), fail); - FF_ALLOCZ_OR_GOTO(h->avctx, h->mvd_table[1], - 16 * row_mb_num * sizeof(uint8_t), fail); - FF_ALLOCZ_OR_GOTO(h->avctx, h->direct_table, - 4 * big_mb_num * sizeof(uint8_t), fail); - FF_ALLOCZ_OR_GOTO(h->avctx, h->list_counts, - big_mb_num * sizeof(uint8_t), fail) - - memset(h->slice_table_base, -1, - (big_mb_num + h->mb_stride) * sizeof(*h->slice_table_base)); - h->slice_table = h->slice_table_base + h->mb_stride * 2 + 1; - - FF_ALLOCZ_OR_GOTO(h->avctx, h->mb2b_xy, - big_mb_num * sizeof(uint32_t), fail); - FF_ALLOCZ_OR_GOTO(h->avctx, h->mb2br_xy, - big_mb_num * sizeof(uint32_t), fail); - for (y = 0; y < h->mb_height; y++) - for (x = 0; x < h->mb_width; x++) { - const int mb_xy = x + y * h->mb_stride; - const int b_xy = 4 * x + 4 * y * h->b_stride; - - h->mb2b_xy[mb_xy] = b_xy; - h->mb2br_xy[mb_xy] = 8 * (FMO ? mb_xy : (mb_xy % (2 * h->mb_stride))); - } - - if (!h->dequant4_coeff[0]) - init_dequant_tables(h); - - if (!h->DPB) { - h->DPB = av_mallocz_array(MAX_PICTURE_COUNT, sizeof(*h->DPB)); - if (!h->DPB) - return AVERROR(ENOMEM); - for (i = 0; i < MAX_PICTURE_COUNT; i++) - avcodec_get_frame_defaults(&h->DPB[i].f); - avcodec_get_frame_defaults(&h->cur_pic.f); - } - - return 0; - -fail: - free_tables(h, 1); - return -1; -} - -/** - * Mimic alloc_tables(), but for every context thread. - */ -static void clone_tables(H264Context *dst, H264Context *src, int i) -{ - dst->intra4x4_pred_mode = src->intra4x4_pred_mode + i * 8 * 2 * src->mb_stride; - dst->non_zero_count = src->non_zero_count; - dst->slice_table = src->slice_table; - dst->cbp_table = src->cbp_table; - dst->mb2b_xy = src->mb2b_xy; - dst->mb2br_xy = src->mb2br_xy; - dst->chroma_pred_mode_table = src->chroma_pred_mode_table; - dst->mvd_table[0] = src->mvd_table[0] + i * 8 * 2 * src->mb_stride; - dst->mvd_table[1] = src->mvd_table[1] + i * 8 * 2 * src->mb_stride; - dst->direct_table = src->direct_table; - dst->list_counts = src->list_counts; - dst->DPB = src->DPB; - dst->cur_pic_ptr = src->cur_pic_ptr; - dst->cur_pic = src->cur_pic; - dst->bipred_scratchpad = NULL; - dst->edge_emu_buffer = NULL; - dst->me.scratchpad = NULL; - ff_h264_pred_init(&dst->hpc, src->avctx->codec_id, src->sps.bit_depth_luma, - src->sps.chroma_format_idc); -} - -/** - * Init context - * Allocate buffers which are not shared amongst multiple threads. - */ -static int context_init(H264Context *h) -{ - ERContext *er = &h->er; - int mb_array_size = h->mb_height * h->mb_stride; - int y_size = (2 * h->mb_width + 1) * (2 * h->mb_height + 1); - int c_size = h->mb_stride * (h->mb_height + 1); - int yc_size = y_size + 2 * c_size; - int x, y, i; - - FF_ALLOCZ_OR_GOTO(h->avctx, h->top_borders[0], - h->mb_width * 16 * 3 * sizeof(uint8_t) * 2, fail) - FF_ALLOCZ_OR_GOTO(h->avctx, h->top_borders[1], - h->mb_width * 16 * 3 * sizeof(uint8_t) * 2, fail) - - h->ref_cache[0][scan8[5] + 1] = - h->ref_cache[0][scan8[7] + 1] = - h->ref_cache[0][scan8[13] + 1] = - h->ref_cache[1][scan8[5] + 1] = - h->ref_cache[1][scan8[7] + 1] = - h->ref_cache[1][scan8[13] + 1] = PART_NOT_AVAILABLE; - - if (CONFIG_ERROR_RESILIENCE) { - /* init ER */ - er->avctx = h->avctx; - er->dsp = &h->dsp; - er->decode_mb = h264_er_decode_mb; - er->opaque = h; - er->quarter_sample = 1; - - er->mb_num = h->mb_num; - er->mb_width = h->mb_width; - er->mb_height = h->mb_height; - er->mb_stride = h->mb_stride; - er->b8_stride = h->mb_width * 2 + 1; - - FF_ALLOCZ_OR_GOTO(h->avctx, er->mb_index2xy, (h->mb_num + 1) * sizeof(int), - fail); // error ressilience code looks cleaner with this - for (y = 0; y < h->mb_height; y++) - for (x = 0; x < h->mb_width; x++) - er->mb_index2xy[x + y * h->mb_width] = x + y * h->mb_stride; - - er->mb_index2xy[h->mb_height * h->mb_width] = (h->mb_height - 1) * - h->mb_stride + h->mb_width; - - FF_ALLOCZ_OR_GOTO(h->avctx, er->error_status_table, - mb_array_size * sizeof(uint8_t), fail); - - FF_ALLOC_OR_GOTO(h->avctx, er->mbintra_table, mb_array_size, fail); - memset(er->mbintra_table, 1, mb_array_size); - - FF_ALLOCZ_OR_GOTO(h->avctx, er->mbskip_table, mb_array_size + 2, fail); - - FF_ALLOC_OR_GOTO(h->avctx, er->er_temp_buffer, h->mb_height * h->mb_stride, - fail); - - FF_ALLOCZ_OR_GOTO(h->avctx, h->dc_val_base, yc_size * sizeof(int16_t), fail); - er->dc_val[0] = h->dc_val_base + h->mb_width * 2 + 2; - er->dc_val[1] = h->dc_val_base + y_size + h->mb_stride + 1; - er->dc_val[2] = er->dc_val[1] + c_size; - for (i = 0; i < yc_size; i++) - h->dc_val_base[i] = 1024; - } - - return 0; - -fail: - return -1; // free_tables will clean up for us -} - -static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size, - int parse_extradata); - -int ff_h264_decode_extradata(H264Context *h, const uint8_t *buf, int size) -{ - AVCodecContext *avctx = h->avctx; - - if (!buf || size <= 0) - return -1; - - if (buf[0] == 1) { - int i, cnt, nalsize; - const unsigned char *p = buf; - - h->is_avc = 1; - - if (size < 7) { - av_log(avctx, AV_LOG_ERROR, "avcC too short\n"); - return -1; - } - /* sps and pps in the avcC always have length coded with 2 bytes, - * so put a fake nal_length_size = 2 while parsing them */ - h->nal_length_size = 2; - // Decode sps from avcC - cnt = *(p + 5) & 0x1f; // Number of sps - p += 6; - for (i = 0; i < cnt; i++) { - nalsize = AV_RB16(p) + 2; - if(nalsize > size - (p-buf)) - return -1; - if (decode_nal_units(h, p, nalsize, 1) < 0) { - av_log(avctx, AV_LOG_ERROR, - "Decoding sps %d from avcC failed\n", i); - return -1; - } - p += nalsize; - } - // Decode pps from avcC - cnt = *(p++); // Number of pps - for (i = 0; i < cnt; i++) { - nalsize = AV_RB16(p) + 2; - if(nalsize > size - (p-buf)) - return -1; - if (decode_nal_units(h, p, nalsize, 1) < 0) { - av_log(avctx, AV_LOG_ERROR, - "Decoding pps %d from avcC failed\n", i); - return -1; - } - p += nalsize; - } - // Now store right nal length size, that will be used to parse all other nals - h->nal_length_size = (buf[4] & 0x03) + 1; - } else { - h->is_avc = 0; - if (decode_nal_units(h, buf, size, 1) < 0) - return -1; - } - return size; -} - -av_cold int ff_h264_decode_init(AVCodecContext *avctx) -{ - H264Context *h = avctx->priv_data; - int i; - - h->avctx = avctx; - - h->width = h->avctx->width; - h->height = h->avctx->height; - - h->bit_depth_luma = 8; - h->chroma_format_idc = 1; - - h->avctx->bits_per_raw_sample = 8; - h->cur_chroma_format_idc = 1; - - ff_h264dsp_init(&h->h264dsp, 8, 1); - av_assert0(h->sps.bit_depth_chroma == 0); - ff_h264chroma_init(&h->h264chroma, h->sps.bit_depth_chroma); - ff_h264qpel_init(&h->h264qpel, 8); - ff_h264_pred_init(&h->hpc, h->avctx->codec_id, 8, 1); - - h->dequant_coeff_pps = -1; - - if (CONFIG_ERROR_RESILIENCE) { - /* needed so that IDCT permutation is known early */ - ff_dsputil_init(&h->dsp, h->avctx); - } - ff_videodsp_init(&h->vdsp, 8); - - memset(h->pps.scaling_matrix4, 16, 6 * 16 * sizeof(uint8_t)); - memset(h->pps.scaling_matrix8, 16, 2 * 64 * sizeof(uint8_t)); - - h->picture_structure = PICT_FRAME; - h->slice_context_count = 1; - h->workaround_bugs = avctx->workaround_bugs; - h->flags = avctx->flags; - - /* set defaults */ - // s->decode_mb = ff_h263_decode_mb; - if (!avctx->has_b_frames) - h->low_delay = 1; - - avctx->chroma_sample_location = AVCHROMA_LOC_LEFT; - - ff_h264_decode_init_vlc(); - - h->pixel_shift = 0; - h->sps.bit_depth_luma = avctx->bits_per_raw_sample = 8; - - h->thread_context[0] = h; - h->outputed_poc = h->next_outputed_poc = INT_MIN; - for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) - h->last_pocs[i] = INT_MIN; - h->prev_poc_msb = 1 << 16; - h->prev_frame_num = -1; - h->x264_build = -1; - ff_h264_reset_sei(h); - if (avctx->codec_id == AV_CODEC_ID_H264) { - if (avctx->ticks_per_frame == 1) { - if(h->avctx->time_base.den < INT_MAX/2) { - h->avctx->time_base.den *= 2; - } else - h->avctx->time_base.num /= 2; - } - avctx->ticks_per_frame = 2; - } - - if (avctx->extradata_size > 0 && avctx->extradata && - ff_h264_decode_extradata(h, avctx->extradata, avctx->extradata_size) < 0) { - ff_h264_free_context(h); - return -1; - } - - if (h->sps.bitstream_restriction_flag && - h->avctx->has_b_frames < h->sps.num_reorder_frames) { - h->avctx->has_b_frames = h->sps.num_reorder_frames; - h->low_delay = 0; - } - - ff_init_cabac_states(); - avctx->internal->allocate_progress = 1; - - return 0; -} - -#define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size)))) -#undef REBASE_PICTURE -#define REBASE_PICTURE(pic, new_ctx, old_ctx) \ - ((pic && pic >= old_ctx->DPB && \ - pic < old_ctx->DPB + MAX_PICTURE_COUNT) ? \ - &new_ctx->DPB[pic - old_ctx->DPB] : NULL) - -static void copy_picture_range(Picture **to, Picture **from, int count, - H264Context *new_base, - H264Context *old_base) -{ - int i; - - for (i = 0; i < count; i++) { - assert((IN_RANGE(from[i], old_base, sizeof(*old_base)) || - IN_RANGE(from[i], old_base->DPB, - sizeof(Picture) * MAX_PICTURE_COUNT) || - !from[i])); - to[i] = REBASE_PICTURE(from[i], new_base, old_base); - } -} - -static void copy_parameter_set(void **to, void **from, int count, int size) -{ - int i; - - for (i = 0; i < count; i++) { - if (to[i] && !from[i]) - av_freep(&to[i]); - else if (from[i] && !to[i]) - to[i] = av_malloc(size); - - if (from[i]) - memcpy(to[i], from[i], size); - } -} - -static int decode_init_thread_copy(AVCodecContext *avctx) -{ - H264Context *h = avctx->priv_data; - - if (!avctx->internal->is_copy) - return 0; - memset(h->sps_buffers, 0, sizeof(h->sps_buffers)); - memset(h->pps_buffers, 0, sizeof(h->pps_buffers)); - - h->context_initialized = 0; - - return 0; -} - -#define copy_fields(to, from, start_field, end_field) \ - memcpy(&to->start_field, &from->start_field, \ - (char *)&to->end_field - (char *)&to->start_field) - -static int h264_slice_header_init(H264Context *, int); - -static int h264_set_parameter_from_sps(H264Context *h); - -static int decode_update_thread_context(AVCodecContext *dst, - const AVCodecContext *src) -{ - H264Context *h = dst->priv_data, *h1 = src->priv_data; - int inited = h->context_initialized, err = 0; - int context_reinitialized = 0; - int i, ret; - - if (dst == src) - return 0; - - if (inited && - (h->width != h1->width || - h->height != h1->height || - h->mb_width != h1->mb_width || - h->mb_height != h1->mb_height || - h->sps.bit_depth_luma != h1->sps.bit_depth_luma || - h->sps.chroma_format_idc != h1->sps.chroma_format_idc || - h->sps.colorspace != h1->sps.colorspace)) { - - /* set bits_per_raw_sample to the previous value. the check for changed - * bit depth in h264_set_parameter_from_sps() uses it and sets it to - * the current value */ - h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma; - - av_freep(&h->bipred_scratchpad); - - h->width = h1->width; - h->height = h1->height; - h->mb_height = h1->mb_height; - h->mb_width = h1->mb_width; - h->mb_num = h1->mb_num; - h->mb_stride = h1->mb_stride; - h->b_stride = h1->b_stride; - // SPS/PPS - copy_parameter_set((void **)h->sps_buffers, (void **)h1->sps_buffers, - MAX_SPS_COUNT, sizeof(SPS)); - h->sps = h1->sps; - copy_parameter_set((void **)h->pps_buffers, (void **)h1->pps_buffers, - MAX_PPS_COUNT, sizeof(PPS)); - h->pps = h1->pps; - - if ((err = h264_slice_header_init(h, 1)) < 0) { - av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed"); - return err; - } - context_reinitialized = 1; - -#if 0 - h264_set_parameter_from_sps(h); - //Note we set context_reinitialized which will cause h264_set_parameter_from_sps to be reexecuted - h->cur_chroma_format_idc = h1->cur_chroma_format_idc; -#endif - } - /* update linesize on resize for h264. The h264 decoder doesn't - * necessarily call ff_MPV_frame_start in the new thread */ - h->linesize = h1->linesize; - h->uvlinesize = h1->uvlinesize; - - /* copy block_offset since frame_start may not be called */ - memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset)); - - if (!inited) { - for (i = 0; i < MAX_SPS_COUNT; i++) - av_freep(h->sps_buffers + i); - - for (i = 0; i < MAX_PPS_COUNT; i++) - av_freep(h->pps_buffers + i); - - memcpy(h, h1, offsetof(H264Context, intra_pcm_ptr)); - memcpy(&h->cabac, &h1->cabac, - sizeof(H264Context) - offsetof(H264Context, cabac)); - av_assert0((void*)&h->cabac == &h->mb_padding + 1); - - memset(h->sps_buffers, 0, sizeof(h->sps_buffers)); - memset(h->pps_buffers, 0, sizeof(h->pps_buffers)); - - memset(&h->er, 0, sizeof(h->er)); - memset(&h->me, 0, sizeof(h->me)); - h->avctx = dst; - h->DPB = NULL; - h->qscale_table_pool = NULL; - h->mb_type_pool = NULL; - h->ref_index_pool = NULL; - h->motion_val_pool = NULL; - - if (h1->context_initialized) { - h->context_initialized = 0; - - memset(&h->cur_pic, 0, sizeof(h->cur_pic)); - avcodec_get_frame_defaults(&h->cur_pic.f); - h->cur_pic.tf.f = &h->cur_pic.f; - - if (ff_h264_alloc_tables(h) < 0) { - av_log(dst, AV_LOG_ERROR, "Could not allocate memory for h264\n"); - return AVERROR(ENOMEM); - } - context_init(h); - } - - for (i = 0; i < 2; i++) { - h->rbsp_buffer[i] = NULL; - h->rbsp_buffer_size[i] = 0; - } - h->bipred_scratchpad = NULL; - h->edge_emu_buffer = NULL; - - h->thread_context[0] = h; - h->context_initialized = h1->context_initialized; - } - - h->avctx->coded_height = h1->avctx->coded_height; - h->avctx->coded_width = h1->avctx->coded_width; - h->avctx->width = h1->avctx->width; - h->avctx->height = h1->avctx->height; - h->coded_picture_number = h1->coded_picture_number; - h->first_field = h1->first_field; - h->picture_structure = h1->picture_structure; - h->qscale = h1->qscale; - h->droppable = h1->droppable; - h->data_partitioning = h1->data_partitioning; - h->low_delay = h1->low_delay; - - for (i = 0; h->DPB && i < MAX_PICTURE_COUNT; i++) { - h->DPB[i].period_since_free ++; - unref_picture(h, &h->DPB[i]); - if (h1->DPB[i].f.data[0] && - (ret = ref_picture(h, &h->DPB[i], &h1->DPB[i])) < 0) - return ret; - } - - h->cur_pic_ptr = REBASE_PICTURE(h1->cur_pic_ptr, h, h1); - unref_picture(h, &h->cur_pic); - if (h1->cur_pic.f.buf[0] && (ret = ref_picture(h, &h->cur_pic, &h1->cur_pic)) < 0) - return ret; - - h->workaround_bugs = h1->workaround_bugs; - h->low_delay = h1->low_delay; - h->droppable = h1->droppable; - - // extradata/NAL handling - h->is_avc = h1->is_avc; - - // SPS/PPS - copy_parameter_set((void **)h->sps_buffers, (void **)h1->sps_buffers, - MAX_SPS_COUNT, sizeof(SPS)); - h->sps = h1->sps; - copy_parameter_set((void **)h->pps_buffers, (void **)h1->pps_buffers, - MAX_PPS_COUNT, sizeof(PPS)); - h->pps = h1->pps; - - // Dequantization matrices - // FIXME these are big - can they be only copied when PPS changes? - copy_fields(h, h1, dequant4_buffer, dequant4_coeff); - - for (i = 0; i < 6; i++) - h->dequant4_coeff[i] = h->dequant4_buffer[0] + - (h1->dequant4_coeff[i] - h1->dequant4_buffer[0]); - - for (i = 0; i < 6; i++) - h->dequant8_coeff[i] = h->dequant8_buffer[0] + - (h1->dequant8_coeff[i] - h1->dequant8_buffer[0]); - - h->dequant_coeff_pps = h1->dequant_coeff_pps; - - // POC timing - copy_fields(h, h1, poc_lsb, redundant_pic_count); - - // reference lists - copy_fields(h, h1, short_ref, cabac_init_idc); - - copy_picture_range(h->short_ref, h1->short_ref, 32, h, h1); - copy_picture_range(h->long_ref, h1->long_ref, 32, h, h1); - copy_picture_range(h->delayed_pic, h1->delayed_pic, - MAX_DELAYED_PIC_COUNT + 2, h, h1); - - h->last_slice_type = h1->last_slice_type; - h->sync = h1->sync; - memcpy(h->last_ref_count, h1->last_ref_count, sizeof(h->last_ref_count)); - - if (context_reinitialized) - h264_set_parameter_from_sps(h); - - if (!h->cur_pic_ptr) - return 0; - - if (!h->droppable) { - err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index); - h->prev_poc_msb = h->poc_msb; - h->prev_poc_lsb = h->poc_lsb; - } - h->prev_frame_num_offset = h->frame_num_offset; - h->prev_frame_num = h->frame_num; - h->outputed_poc = h->next_outputed_poc; - - return err; -} - -static int h264_frame_start(H264Context *h) -{ - Picture *pic; - int i, ret; - const int pixel_shift = h->pixel_shift; - int c[4] = { - 1<<(h->sps.bit_depth_luma-1), - 1<<(h->sps.bit_depth_chroma-1), - 1<<(h->sps.bit_depth_chroma-1), - -1 - }; - - if (!ff_thread_can_start_frame(h->avctx)) { - av_log(h->avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n"); - return -1; - } - - release_unused_pictures(h, 1); - h->cur_pic_ptr = NULL; - - i = find_unused_picture(h); - if (i < 0) { - av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n"); - return i; - } - pic = &h->DPB[i]; - - pic->reference = h->droppable ? 0 : h->picture_structure; - pic->f.coded_picture_number = h->coded_picture_number++; - pic->field_picture = h->picture_structure != PICT_FRAME; - - /* - * Zero key_frame here; IDR markings per slice in frame or fields are ORed - * in later. - * See decode_nal_units(). - */ - pic->f.key_frame = 0; - pic->sync = 0; - pic->mmco_reset = 0; - - if ((ret = alloc_picture(h, pic)) < 0) - return ret; - if(!h->sync && !h->avctx->hwaccel && - !(h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)) - avpriv_color_frame(&pic->f, c); - - h->cur_pic_ptr = pic; - unref_picture(h, &h->cur_pic); - if ((ret = ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0) - return ret; - - if (CONFIG_ERROR_RESILIENCE) { - ff_er_frame_start(&h->er); - h->er.last_pic = - h->er.next_pic = NULL; - } - - assert(h->linesize && h->uvlinesize); - - for (i = 0; i < 16; i++) { - h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * h->linesize * ((scan8[i] - scan8[0]) >> 3); - h->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->linesize * ((scan8[i] - scan8[0]) >> 3); - } - for (i = 0; i < 16; i++) { - h->block_offset[16 + i] = - h->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3); - h->block_offset[48 + 16 + i] = - h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3); - } - - /* Some macroblocks can be accessed before they're available in case - * of lost slices, MBAFF or threading. */ - memset(h->slice_table, -1, - (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table)); - - // s->decode = (h->flags & CODEC_FLAG_PSNR) || !s->encoding || - // h->cur_pic.reference /* || h->contains_intra */ || 1; - - /* We mark the current picture as non-reference after allocating it, so - * that if we break out due to an error it can be released automatically - * in the next ff_MPV_frame_start(). - */ - h->cur_pic_ptr->reference = 0; - - h->cur_pic_ptr->field_poc[0] = h->cur_pic_ptr->field_poc[1] = INT_MAX; - - h->next_output_pic = NULL; - - assert(h->cur_pic_ptr->long_ref == 0); - - return 0; -} - -/** - * Run setup operations that must be run after slice header decoding. - * This includes finding the next displayed frame. - * - * @param h h264 master context - * @param setup_finished enough NALs have been read that we can call - * ff_thread_finish_setup() - */ -static void decode_postinit(H264Context *h, int setup_finished) -{ - Picture *out = h->cur_pic_ptr; - Picture *cur = h->cur_pic_ptr; - int i, pics, out_of_order, out_idx; - - h->cur_pic_ptr->f.pict_type = h->pict_type; - - if (h->next_output_pic) - return; - - if (cur->field_poc[0] == INT_MAX || cur->field_poc[1] == INT_MAX) { - /* FIXME: if we have two PAFF fields in one packet, we can't start - * the next thread here. If we have one field per packet, we can. - * The check in decode_nal_units() is not good enough to find this - * yet, so we assume the worst for now. */ - // if (setup_finished) - // ff_thread_finish_setup(h->avctx); - return; - } - - cur->f.interlaced_frame = 0; - cur->f.repeat_pict = 0; - - /* Signal interlacing information externally. */ - /* Prioritize picture timing SEI information over used - * decoding process if it exists. */ - - if (h->sps.pic_struct_present_flag) { - switch (h->sei_pic_struct) { - case SEI_PIC_STRUCT_FRAME: - break; - case SEI_PIC_STRUCT_TOP_FIELD: - case SEI_PIC_STRUCT_BOTTOM_FIELD: - cur->f.interlaced_frame = 1; - break; - case SEI_PIC_STRUCT_TOP_BOTTOM: - case SEI_PIC_STRUCT_BOTTOM_TOP: - if (FIELD_OR_MBAFF_PICTURE(h)) - cur->f.interlaced_frame = 1; - else - // try to flag soft telecine progressive - cur->f.interlaced_frame = h->prev_interlaced_frame; - break; - case SEI_PIC_STRUCT_TOP_BOTTOM_TOP: - case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM: - /* Signal the possibility of telecined film externally - * (pic_struct 5,6). From these hints, let the applications - * decide if they apply deinterlacing. */ - cur->f.repeat_pict = 1; - break; - case SEI_PIC_STRUCT_FRAME_DOUBLING: - cur->f.repeat_pict = 2; - break; - case SEI_PIC_STRUCT_FRAME_TRIPLING: - cur->f.repeat_pict = 4; - break; - } - - if ((h->sei_ct_type & 3) && - h->sei_pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP) - cur->f.interlaced_frame = (h->sei_ct_type & (1 << 1)) != 0; - } else { - /* Derive interlacing flag from used decoding process. */ - cur->f.interlaced_frame = FIELD_OR_MBAFF_PICTURE(h); - } - h->prev_interlaced_frame = cur->f.interlaced_frame; - - if (cur->field_poc[0] != cur->field_poc[1]) { - /* Derive top_field_first from field pocs. */ - cur->f.top_field_first = cur->field_poc[0] < cur->field_poc[1]; - } else { - if (cur->f.interlaced_frame || h->sps.pic_struct_present_flag) { - /* Use picture timing SEI information. Even if it is a - * information of a past frame, better than nothing. */ - if (h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM || - h->sei_pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP) - cur->f.top_field_first = 1; - else - cur->f.top_field_first = 0; - } else { - /* Most likely progressive */ - cur->f.top_field_first = 0; - } - } - - cur->mmco_reset = h->mmco_reset; - h->mmco_reset = 0; - // FIXME do something with unavailable reference frames - - /* Sort B-frames into display order */ - - if (h->sps.bitstream_restriction_flag && - h->avctx->has_b_frames < h->sps.num_reorder_frames) { - h->avctx->has_b_frames = h->sps.num_reorder_frames; - h->low_delay = 0; - } - - if (h->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT && - !h->sps.bitstream_restriction_flag) { - h->avctx->has_b_frames = MAX_DELAYED_PIC_COUNT - 1; - h->low_delay = 0; - } - - for (i = 0; 1; i++) { - if(i == MAX_DELAYED_PIC_COUNT || cur->poc < h->last_pocs[i]){ - if(i) - h->last_pocs[i-1] = cur->poc; - break; - } else if(i) { - h->last_pocs[i-1]= h->last_pocs[i]; - } - } - out_of_order = MAX_DELAYED_PIC_COUNT - i; - if( cur->f.pict_type == AV_PICTURE_TYPE_B - || (h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > INT_MIN && h->last_pocs[MAX_DELAYED_PIC_COUNT-1] - h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > 2)) - out_of_order = FFMAX(out_of_order, 1); - if (out_of_order == MAX_DELAYED_PIC_COUNT) { - av_log(h->avctx, AV_LOG_VERBOSE, "Invalid POC %d<%d\n", cur->poc, h->last_pocs[0]); - for (i = 1; i < MAX_DELAYED_PIC_COUNT; i++) - h->last_pocs[i] = INT_MIN; - h->last_pocs[0] = cur->poc; - cur->mmco_reset = 1; - } else if(h->avctx->has_b_frames < out_of_order && !h->sps.bitstream_restriction_flag){ - av_log(h->avctx, AV_LOG_VERBOSE, "Increasing reorder buffer to %d\n", out_of_order); - h->avctx->has_b_frames = out_of_order; - h->low_delay = 0; - } - - pics = 0; - while (h->delayed_pic[pics]) - pics++; - - av_assert0(pics <= MAX_DELAYED_PIC_COUNT); - - h->delayed_pic[pics++] = cur; - if (cur->reference == 0) - cur->reference = DELAYED_PIC_REF; - - out = h->delayed_pic[0]; - out_idx = 0; - for (i = 1; h->delayed_pic[i] && - !h->delayed_pic[i]->f.key_frame && - !h->delayed_pic[i]->mmco_reset; - i++) - if (h->delayed_pic[i]->poc < out->poc) { - out = h->delayed_pic[i]; - out_idx = i; - } - if (h->avctx->has_b_frames == 0 && - (h->delayed_pic[0]->f.key_frame || h->delayed_pic[0]->mmco_reset)) - h->next_outputed_poc = INT_MIN; - out_of_order = out->poc < h->next_outputed_poc; - - if (out_of_order || pics > h->avctx->has_b_frames) { - out->reference &= ~DELAYED_PIC_REF; - // for frame threading, the owner must be the second field's thread or - // else the first thread can release the picture and reuse it unsafely - for (i = out_idx; h->delayed_pic[i]; i++) - h->delayed_pic[i] = h->delayed_pic[i + 1]; - } - if (!out_of_order && pics > h->avctx->has_b_frames) { - h->next_output_pic = out; - if (out_idx == 0 && h->delayed_pic[0] && (h->delayed_pic[0]->f.key_frame || h->delayed_pic[0]->mmco_reset)) { - h->next_outputed_poc = INT_MIN; - } else - h->next_outputed_poc = out->poc; - } else { - av_log(h->avctx, AV_LOG_DEBUG, "no picture %s\n", out_of_order ? "ooo" : ""); - } - - if (h->next_output_pic && h->next_output_pic->sync) { - h->sync |= 2; - } - - if (setup_finished) - ff_thread_finish_setup(h->avctx); -} - -static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y, - uint8_t *src_cb, uint8_t *src_cr, - int linesize, int uvlinesize, - int simple) -{ - uint8_t *top_border; - int top_idx = 1; - const int pixel_shift = h->pixel_shift; - int chroma444 = CHROMA444; - int chroma422 = CHROMA422; - - src_y -= linesize; - src_cb -= uvlinesize; - src_cr -= uvlinesize; - - if (!simple && FRAME_MBAFF(h)) { - if (h->mb_y & 1) { - if (!MB_MBAFF(h)) { - top_border = h->top_borders[0][h->mb_x]; - AV_COPY128(top_border, src_y + 15 * linesize); - if (pixel_shift) - AV_COPY128(top_border + 16, src_y + 15 * linesize + 16); - if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) { - if (chroma444) { - if (pixel_shift) { - AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize); - AV_COPY128(top_border + 48, src_cb + 15 * uvlinesize + 16); - AV_COPY128(top_border + 64, src_cr + 15 * uvlinesize); - AV_COPY128(top_border + 80, src_cr + 15 * uvlinesize + 16); - } else { - AV_COPY128(top_border + 16, src_cb + 15 * uvlinesize); - AV_COPY128(top_border + 32, src_cr + 15 * uvlinesize); - } - } else if (chroma422) { - if (pixel_shift) { - AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize); - AV_COPY128(top_border + 48, src_cr + 15 * uvlinesize); - } else { - AV_COPY64(top_border + 16, src_cb + 15 * uvlinesize); - AV_COPY64(top_border + 24, src_cr + 15 * uvlinesize); - } - } else { - if (pixel_shift) { - AV_COPY128(top_border + 32, src_cb + 7 * uvlinesize); - AV_COPY128(top_border + 48, src_cr + 7 * uvlinesize); - } else { - AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize); - AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize); - } - } - } - } - } else if (MB_MBAFF(h)) { - top_idx = 0; - } else - return; - } - - top_border = h->top_borders[top_idx][h->mb_x]; - /* There are two lines saved, the line above the top macroblock - * of a pair, and the line above the bottom macroblock. */ - AV_COPY128(top_border, src_y + 16 * linesize); - if (pixel_shift) - AV_COPY128(top_border + 16, src_y + 16 * linesize + 16); - - if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) { - if (chroma444) { - if (pixel_shift) { - AV_COPY128(top_border + 32, src_cb + 16 * linesize); - AV_COPY128(top_border + 48, src_cb + 16 * linesize + 16); - AV_COPY128(top_border + 64, src_cr + 16 * linesize); - AV_COPY128(top_border + 80, src_cr + 16 * linesize + 16); - } else { - AV_COPY128(top_border + 16, src_cb + 16 * linesize); - AV_COPY128(top_border + 32, src_cr + 16 * linesize); - } - } else if (chroma422) { - if (pixel_shift) { - AV_COPY128(top_border + 32, src_cb + 16 * uvlinesize); - AV_COPY128(top_border + 48, src_cr + 16 * uvlinesize); - } else { - AV_COPY64(top_border + 16, src_cb + 16 * uvlinesize); - AV_COPY64(top_border + 24, src_cr + 16 * uvlinesize); - } - } else { - if (pixel_shift) { - AV_COPY128(top_border + 32, src_cb + 8 * uvlinesize); - AV_COPY128(top_border + 48, src_cr + 8 * uvlinesize); - } else { - AV_COPY64(top_border + 16, src_cb + 8 * uvlinesize); - AV_COPY64(top_border + 24, src_cr + 8 * uvlinesize); - } - } - } -} - -static av_always_inline void xchg_mb_border(H264Context *h, uint8_t *src_y, - uint8_t *src_cb, uint8_t *src_cr, - int linesize, int uvlinesize, - int xchg, int chroma444, - int simple, int pixel_shift) -{ - int deblock_topleft; - int deblock_top; - int top_idx = 1; - uint8_t *top_border_m1; - uint8_t *top_border; - - if (!simple && FRAME_MBAFF(h)) { - if (h->mb_y & 1) { - if (!MB_MBAFF(h)) - return; - } else { - top_idx = MB_MBAFF(h) ? 0 : 1; - } - } - - if (h->deblocking_filter == 2) { - deblock_topleft = h->slice_table[h->mb_xy - 1 - h->mb_stride] == h->slice_num; - deblock_top = h->top_type; - } else { - deblock_topleft = (h->mb_x > 0); - deblock_top = (h->mb_y > !!MB_FIELD(h)); - } - - src_y -= linesize + 1 + pixel_shift; - src_cb -= uvlinesize + 1 + pixel_shift; - src_cr -= uvlinesize + 1 + pixel_shift; - - top_border_m1 = h->top_borders[top_idx][h->mb_x - 1]; - top_border = h->top_borders[top_idx][h->mb_x]; - -#define XCHG(a, b, xchg) \ - if (pixel_shift) { \ - if (xchg) { \ - AV_SWAP64(b + 0, a + 0); \ - AV_SWAP64(b + 8, a + 8); \ - } else { \ - AV_COPY128(b, a); \ - } \ - } else if (xchg) \ - AV_SWAP64(b, a); \ - else \ - AV_COPY64(b, a); - - if (deblock_top) { - if (deblock_topleft) { - XCHG(top_border_m1 + (8 << pixel_shift), - src_y - (7 << pixel_shift), 1); - } - XCHG(top_border + (0 << pixel_shift), src_y + (1 << pixel_shift), xchg); - XCHG(top_border + (8 << pixel_shift), src_y + (9 << pixel_shift), 1); - if (h->mb_x + 1 < h->mb_width) { - XCHG(h->top_borders[top_idx][h->mb_x + 1], - src_y + (17 << pixel_shift), 1); - } - } - if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) { - if (chroma444) { - if (deblock_topleft) { - XCHG(top_border_m1 + (24 << pixel_shift), src_cb - (7 << pixel_shift), 1); - XCHG(top_border_m1 + (40 << pixel_shift), src_cr - (7 << pixel_shift), 1); - } - XCHG(top_border + (16 << pixel_shift), src_cb + (1 << pixel_shift), xchg); - XCHG(top_border + (24 << pixel_shift), src_cb + (9 << pixel_shift), 1); - XCHG(top_border + (32 << pixel_shift), src_cr + (1 << pixel_shift), xchg); - XCHG(top_border + (40 << pixel_shift), src_cr + (9 << pixel_shift), 1); - if (h->mb_x + 1 < h->mb_width) { - XCHG(h->top_borders[top_idx][h->mb_x + 1] + (16 << pixel_shift), src_cb + (17 << pixel_shift), 1); - XCHG(h->top_borders[top_idx][h->mb_x + 1] + (32 << pixel_shift), src_cr + (17 << pixel_shift), 1); - } - } else { - if (deblock_top) { - if (deblock_topleft) { - XCHG(top_border_m1 + (16 << pixel_shift), src_cb - (7 << pixel_shift), 1); - XCHG(top_border_m1 + (24 << pixel_shift), src_cr - (7 << pixel_shift), 1); - } - XCHG(top_border + (16 << pixel_shift), src_cb + 1 + pixel_shift, 1); - XCHG(top_border + (24 << pixel_shift), src_cr + 1 + pixel_shift, 1); - } - } - } -} - -static av_always_inline int dctcoef_get(int16_t *mb, int high_bit_depth, - int index) -{ - if (high_bit_depth) { - return AV_RN32A(((int32_t *)mb) + index); - } else - return AV_RN16A(mb + index); -} - -static av_always_inline void dctcoef_set(int16_t *mb, int high_bit_depth, - int index, int value) -{ - if (high_bit_depth) { - AV_WN32A(((int32_t *)mb) + index, value); - } else - AV_WN16A(mb + index, value); -} - -static av_always_inline void hl_decode_mb_predict_luma(H264Context *h, - int mb_type, int is_h264, - int simple, - int transform_bypass, - int pixel_shift, - int *block_offset, - int linesize, - uint8_t *dest_y, int p) -{ - void (*idct_add)(uint8_t *dst, int16_t *block, int stride); - void (*idct_dc_add)(uint8_t *dst, int16_t *block, int stride); - int i; - int qscale = p == 0 ? h->qscale : h->chroma_qp[p - 1]; - block_offset += 16 * p; - if (IS_INTRA4x4(mb_type)) { - if (IS_8x8DCT(mb_type)) { - if (transform_bypass) { - idct_dc_add = - idct_add = h->h264dsp.h264_add_pixels8_clear; - } else { - idct_dc_add = h->h264dsp.h264_idct8_dc_add; - idct_add = h->h264dsp.h264_idct8_add; - } - for (i = 0; i < 16; i += 4) { - uint8_t *const ptr = dest_y + block_offset[i]; - const int dir = h->intra4x4_pred_mode_cache[scan8[i]]; - if (transform_bypass && h->sps.profile_idc == 244 && dir <= 1) { - h->hpc.pred8x8l_add[dir](ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize); - } else { - const int nnz = h->non_zero_count_cache[scan8[i + p * 16]]; - h->hpc.pred8x8l[dir](ptr, (h->topleft_samples_available << i) & 0x8000, - (h->topright_samples_available << i) & 0x4000, linesize); - if (nnz) { - if (nnz == 1 && dctcoef_get(h->mb, pixel_shift, i * 16 + p * 256)) - idct_dc_add(ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize); - else - idct_add(ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize); - } - } - } - } else { - if (transform_bypass) { - idct_dc_add = - idct_add = h->h264dsp.h264_add_pixels4_clear; - } else { - idct_dc_add = h->h264dsp.h264_idct_dc_add; - idct_add = h->h264dsp.h264_idct_add; - } - for (i = 0; i < 16; i++) { - uint8_t *const ptr = dest_y + block_offset[i]; - const int dir = h->intra4x4_pred_mode_cache[scan8[i]]; - - if (transform_bypass && h->sps.profile_idc == 244 && dir <= 1) { - h->hpc.pred4x4_add[dir](ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize); - } else { - uint8_t *topright; - int nnz, tr; - uint64_t tr_high; - if (dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED) { - const int topright_avail = (h->topright_samples_available << i) & 0x8000; - av_assert2(h->mb_y || linesize <= block_offset[i]); - if (!topright_avail) { - if (pixel_shift) { - tr_high = ((uint16_t *)ptr)[3 - linesize / 2] * 0x0001000100010001ULL; - topright = (uint8_t *)&tr_high; - } else { - tr = ptr[3 - linesize] * 0x01010101u; - topright = (uint8_t *)&tr; - } - } else - topright = ptr + (4 << pixel_shift) - linesize; - } else - topright = NULL; - - h->hpc.pred4x4[dir](ptr, topright, linesize); - nnz = h->non_zero_count_cache[scan8[i + p * 16]]; - if (nnz) { - if (is_h264) { - if (nnz == 1 && dctcoef_get(h->mb, pixel_shift, i * 16 + p * 256)) - idct_dc_add(ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize); - else - idct_add(ptr, h->mb + (i * 16 + p * 256 << pixel_shift), linesize); - } else if (CONFIG_SVQ3_DECODER) - ff_svq3_add_idct_c(ptr, h->mb + i * 16 + p * 256, linesize, qscale, 0); - } - } - } - } - } else { - h->hpc.pred16x16[h->intra16x16_pred_mode](dest_y, linesize); - if (is_h264) { - if (h->non_zero_count_cache[scan8[LUMA_DC_BLOCK_INDEX + p]]) { - if (!transform_bypass) - h->h264dsp.h264_luma_dc_dequant_idct(h->mb + (p * 256 << pixel_shift), - h->mb_luma_dc[p], - h->dequant4_coeff[p][qscale][0]); - else { - static const uint8_t dc_mapping[16] = { - 0 * 16, 1 * 16, 4 * 16, 5 * 16, - 2 * 16, 3 * 16, 6 * 16, 7 * 16, - 8 * 16, 9 * 16, 12 * 16, 13 * 16, - 10 * 16, 11 * 16, 14 * 16, 15 * 16 }; - for (i = 0; i < 16; i++) - dctcoef_set(h->mb + (p * 256 << pixel_shift), - pixel_shift, dc_mapping[i], - dctcoef_get(h->mb_luma_dc[p], - pixel_shift, i)); - } - } - } else if (CONFIG_SVQ3_DECODER) - ff_svq3_luma_dc_dequant_idct_c(h->mb + p * 256, - h->mb_luma_dc[p], qscale); - } -} - -static av_always_inline void hl_decode_mb_idct_luma(H264Context *h, int mb_type, - int is_h264, int simple, - int transform_bypass, - int pixel_shift, - int *block_offset, - int linesize, - uint8_t *dest_y, int p) -{ - void (*idct_add)(uint8_t *dst, int16_t *block, int stride); - int i; - block_offset += 16 * p; - if (!IS_INTRA4x4(mb_type)) { - if (is_h264) { - if (IS_INTRA16x16(mb_type)) { - if (transform_bypass) { - if (h->sps.profile_idc == 244 && - (h->intra16x16_pred_mode == VERT_PRED8x8 || - h->intra16x16_pred_mode == HOR_PRED8x8)) { - h->hpc.pred16x16_add[h->intra16x16_pred_mode](dest_y, block_offset, - h->mb + (p * 256 << pixel_shift), - linesize); - } else { - for (i = 0; i < 16; i++) - if (h->non_zero_count_cache[scan8[i + p * 16]] || - dctcoef_get(h->mb, pixel_shift, i * 16 + p * 256)) - h->h264dsp.h264_add_pixels4_clear(dest_y + block_offset[i], - h->mb + (i * 16 + p * 256 << pixel_shift), - linesize); - } - } else { - h->h264dsp.h264_idct_add16intra(dest_y, block_offset, - h->mb + (p * 256 << pixel_shift), - linesize, - h->non_zero_count_cache + p * 5 * 8); - } - } else if (h->cbp & 15) { - if (transform_bypass) { - const int di = IS_8x8DCT(mb_type) ? 4 : 1; - idct_add = IS_8x8DCT(mb_type) ? h->h264dsp.h264_add_pixels8_clear - : h->h264dsp.h264_add_pixels4_clear; - for (i = 0; i < 16; i += di) - if (h->non_zero_count_cache[scan8[i + p * 16]]) - idct_add(dest_y + block_offset[i], - h->mb + (i * 16 + p * 256 << pixel_shift), - linesize); - } else { - if (IS_8x8DCT(mb_type)) - h->h264dsp.h264_idct8_add4(dest_y, block_offset, - h->mb + (p * 256 << pixel_shift), - linesize, - h->non_zero_count_cache + p * 5 * 8); - else - h->h264dsp.h264_idct_add16(dest_y, block_offset, - h->mb + (p * 256 << pixel_shift), - linesize, - h->non_zero_count_cache + p * 5 * 8); - } - } - } else if (CONFIG_SVQ3_DECODER) { - for (i = 0; i < 16; i++) - if (h->non_zero_count_cache[scan8[i + p * 16]] || h->mb[i * 16 + p * 256]) { - // FIXME benchmark weird rule, & below - uint8_t *const ptr = dest_y + block_offset[i]; - ff_svq3_add_idct_c(ptr, h->mb + i * 16 + p * 256, linesize, - h->qscale, IS_INTRA(mb_type) ? 1 : 0); - } - } - } -} - -#define BITS 8 -#define SIMPLE 1 -#include "h264_mb_template.c" - -#undef BITS -#define BITS 16 -#include "h264_mb_template.c" - -#undef SIMPLE -#define SIMPLE 0 -#include "h264_mb_template.c" - -void ff_h264_hl_decode_mb(H264Context *h) -{ - const int mb_xy = h->mb_xy; - const int mb_type = h->cur_pic.mb_type[mb_xy]; - int is_complex = CONFIG_SMALL || h->is_complex || IS_INTRA_PCM(mb_type) || h->qscale == 0; - - if (CHROMA444) { - if (is_complex || h->pixel_shift) - hl_decode_mb_444_complex(h); - else - hl_decode_mb_444_simple_8(h); - } else if (is_complex) { - hl_decode_mb_complex(h); - } else if (h->pixel_shift) { - hl_decode_mb_simple_16(h); - } else - hl_decode_mb_simple_8(h); -} - -static int pred_weight_table(H264Context *h) -{ - int list, i; - int luma_def, chroma_def; - - h->use_weight = 0; - h->use_weight_chroma = 0; - h->luma_log2_weight_denom = get_ue_golomb(&h->gb); - if (h->sps.chroma_format_idc) - h->chroma_log2_weight_denom = get_ue_golomb(&h->gb); - luma_def = 1 << h->luma_log2_weight_denom; - chroma_def = 1 << h->chroma_log2_weight_denom; - - for (list = 0; list < 2; list++) { - h->luma_weight_flag[list] = 0; - h->chroma_weight_flag[list] = 0; - for (i = 0; i < h->ref_count[list]; i++) { - int luma_weight_flag, chroma_weight_flag; - - luma_weight_flag = get_bits1(&h->gb); - if (luma_weight_flag) { - h->luma_weight[i][list][0] = get_se_golomb(&h->gb); - h->luma_weight[i][list][1] = get_se_golomb(&h->gb); - if (h->luma_weight[i][list][0] != luma_def || - h->luma_weight[i][list][1] != 0) { - h->use_weight = 1; - h->luma_weight_flag[list] = 1; - } - } else { - h->luma_weight[i][list][0] = luma_def; - h->luma_weight[i][list][1] = 0; - } - - if (h->sps.chroma_format_idc) { - chroma_weight_flag = get_bits1(&h->gb); - if (chroma_weight_flag) { - int j; - for (j = 0; j < 2; j++) { - h->chroma_weight[i][list][j][0] = get_se_golomb(&h->gb); - h->chroma_weight[i][list][j][1] = get_se_golomb(&h->gb); - if (h->chroma_weight[i][list][j][0] != chroma_def || - h->chroma_weight[i][list][j][1] != 0) { - h->use_weight_chroma = 1; - h->chroma_weight_flag[list] = 1; - } - } - } else { - int j; - for (j = 0; j < 2; j++) { - h->chroma_weight[i][list][j][0] = chroma_def; - h->chroma_weight[i][list][j][1] = 0; - } - } - } - } - if (h->slice_type_nos != AV_PICTURE_TYPE_B) - break; - } - h->use_weight = h->use_weight || h->use_weight_chroma; - return 0; -} - -/** - * Initialize implicit_weight table. - * @param field 0/1 initialize the weight for interlaced MBAFF - * -1 initializes the rest - */ -static void implicit_weight_table(H264Context *h, int field) -{ - int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1; - - for (i = 0; i < 2; i++) { - h->luma_weight_flag[i] = 0; - h->chroma_weight_flag[i] = 0; - } - - if (field < 0) { - if (h->picture_structure == PICT_FRAME) { - cur_poc = h->cur_pic_ptr->poc; - } else { - cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1]; - } - if (h->ref_count[0] == 1 && h->ref_count[1] == 1 && !FRAME_MBAFF(h) && - h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2 * cur_poc) { - h->use_weight = 0; - h->use_weight_chroma = 0; - return; - } - ref_start = 0; - ref_count0 = h->ref_count[0]; - ref_count1 = h->ref_count[1]; - } else { - cur_poc = h->cur_pic_ptr->field_poc[field]; - ref_start = 16; - ref_count0 = 16 + 2 * h->ref_count[0]; - ref_count1 = 16 + 2 * h->ref_count[1]; - } - - h->use_weight = 2; - h->use_weight_chroma = 2; - h->luma_log2_weight_denom = 5; - h->chroma_log2_weight_denom = 5; - - for (ref0 = ref_start; ref0 < ref_count0; ref0++) { - int poc0 = h->ref_list[0][ref0].poc; - for (ref1 = ref_start; ref1 < ref_count1; ref1++) { - int w = 32; - if (!h->ref_list[0][ref0].long_ref && !h->ref_list[1][ref1].long_ref) { - int poc1 = h->ref_list[1][ref1].poc; - int td = av_clip(poc1 - poc0, -128, 127); - if (td) { - int tb = av_clip(cur_poc - poc0, -128, 127); - int tx = (16384 + (FFABS(td) >> 1)) / td; - int dist_scale_factor = (tb * tx + 32) >> 8; - if (dist_scale_factor >= -64 && dist_scale_factor <= 128) - w = 64 - dist_scale_factor; - } - } - if (field < 0) { - h->implicit_weight[ref0][ref1][0] = - h->implicit_weight[ref0][ref1][1] = w; - } else { - h->implicit_weight[ref0][ref1][field] = w; - } - } - } -} - -/** - * instantaneous decoder refresh. - */ -static void idr(H264Context *h) -{ - int i; - ff_h264_remove_all_refs(h); - h->prev_frame_num = 0; - h->prev_frame_num_offset = 0; - h->prev_poc_msb = 1<<16; - h->prev_poc_lsb = 0; - for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) - h->last_pocs[i] = INT_MIN; -} - -/* forget old pics after a seek */ -static void flush_change(H264Context *h) -{ - int i, j; - - h->outputed_poc = h->next_outputed_poc = INT_MIN; - h->prev_interlaced_frame = 1; - idr(h); - - h->prev_frame_num = -1; - if (h->cur_pic_ptr) { - h->cur_pic_ptr->reference = 0; - for (j=i=0; h->delayed_pic[i]; i++) - if (h->delayed_pic[i] != h->cur_pic_ptr) - h->delayed_pic[j++] = h->delayed_pic[i]; - h->delayed_pic[j] = NULL; - } - h->first_field = 0; - memset(h->ref_list[0], 0, sizeof(h->ref_list[0])); - memset(h->ref_list[1], 0, sizeof(h->ref_list[1])); - memset(h->default_ref_list[0], 0, sizeof(h->default_ref_list[0])); - memset(h->default_ref_list[1], 0, sizeof(h->default_ref_list[1])); - ff_h264_reset_sei(h); - h->recovery_frame= -1; - h->sync= 0; - h->list_count = 0; - h->current_slice = 0; -} - -/* forget old pics after a seek */ -static void flush_dpb(AVCodecContext *avctx) -{ - H264Context *h = avctx->priv_data; - int i; - - for (i = 0; i <= MAX_DELAYED_PIC_COUNT; i++) { - if (h->delayed_pic[i]) - h->delayed_pic[i]->reference = 0; - h->delayed_pic[i] = NULL; - } - - flush_change(h); - - if (h->DPB) - for (i = 0; i < MAX_PICTURE_COUNT; i++) - unref_picture(h, &h->DPB[i]); - h->cur_pic_ptr = NULL; - unref_picture(h, &h->cur_pic); - - h->mb_x = h->mb_y = 0; - - h->parse_context.state = -1; - h->parse_context.frame_start_found = 0; - h->parse_context.overread = 0; - h->parse_context.overread_index = 0; - h->parse_context.index = 0; - h->parse_context.last_index = 0; -} - -static int init_poc(H264Context *h) -{ - const int max_frame_num = 1 << h->sps.log2_max_frame_num; - int field_poc[2]; - Picture *cur = h->cur_pic_ptr; - - h->frame_num_offset = h->prev_frame_num_offset; - if (h->frame_num < h->prev_frame_num) - h->frame_num_offset += max_frame_num; - - if (h->sps.poc_type == 0) { - const int max_poc_lsb = 1 << h->sps.log2_max_poc_lsb; - - if (h->poc_lsb < h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb >= max_poc_lsb / 2) - h->poc_msb = h->prev_poc_msb + max_poc_lsb; - else if (h->poc_lsb > h->prev_poc_lsb && h->prev_poc_lsb - h->poc_lsb < -max_poc_lsb / 2) - h->poc_msb = h->prev_poc_msb - max_poc_lsb; - else - h->poc_msb = h->prev_poc_msb; - field_poc[0] = - field_poc[1] = h->poc_msb + h->poc_lsb; - if (h->picture_structure == PICT_FRAME) - field_poc[1] += h->delta_poc_bottom; - } else if (h->sps.poc_type == 1) { - int abs_frame_num, expected_delta_per_poc_cycle, expectedpoc; - int i; - - if (h->sps.poc_cycle_length != 0) - abs_frame_num = h->frame_num_offset + h->frame_num; - else - abs_frame_num = 0; - - if (h->nal_ref_idc == 0 && abs_frame_num > 0) - abs_frame_num--; - - expected_delta_per_poc_cycle = 0; - for (i = 0; i < h->sps.poc_cycle_length; i++) - // FIXME integrate during sps parse - expected_delta_per_poc_cycle += h->sps.offset_for_ref_frame[i]; - - if (abs_frame_num > 0) { - int poc_cycle_cnt = (abs_frame_num - 1) / h->sps.poc_cycle_length; - int frame_num_in_poc_cycle = (abs_frame_num - 1) % h->sps.poc_cycle_length; - - expectedpoc = poc_cycle_cnt * expected_delta_per_poc_cycle; - for (i = 0; i <= frame_num_in_poc_cycle; i++) - expectedpoc = expectedpoc + h->sps.offset_for_ref_frame[i]; - } else - expectedpoc = 0; - - if (h->nal_ref_idc == 0) - expectedpoc = expectedpoc + h->sps.offset_for_non_ref_pic; - - field_poc[0] = expectedpoc + h->delta_poc[0]; - field_poc[1] = field_poc[0] + h->sps.offset_for_top_to_bottom_field; - - if (h->picture_structure == PICT_FRAME) - field_poc[1] += h->delta_poc[1]; - } else { - int poc = 2 * (h->frame_num_offset + h->frame_num); - - if (!h->nal_ref_idc) - poc--; - - field_poc[0] = poc; - field_poc[1] = poc; - } - - if (h->picture_structure != PICT_BOTTOM_FIELD) - h->cur_pic_ptr->field_poc[0] = field_poc[0]; - if (h->picture_structure != PICT_TOP_FIELD) - h->cur_pic_ptr->field_poc[1] = field_poc[1]; - cur->poc = FFMIN(cur->field_poc[0], cur->field_poc[1]); - - return 0; -} - -/** - * initialize scan tables - */ -static void init_scan_tables(H264Context *h) -{ - int i; - for (i = 0; i < 16; i++) { -#define T(x) (x >> 2) | ((x << 2) & 0xF) - h->zigzag_scan[i] = T(zigzag_scan[i]); - h->field_scan[i] = T(field_scan[i]); -#undef T - } - for (i = 0; i < 64; i++) { -#define T(x) (x >> 3) | ((x & 7) << 3) - h->zigzag_scan8x8[i] = T(ff_zigzag_direct[i]); - h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]); - h->field_scan8x8[i] = T(field_scan8x8[i]); - h->field_scan8x8_cavlc[i] = T(field_scan8x8_cavlc[i]); -#undef T - } - if (h->sps.transform_bypass) { // FIXME same ugly - memcpy(h->zigzag_scan_q0 , zigzag_scan , sizeof(h->zigzag_scan_q0 )); - memcpy(h->zigzag_scan8x8_q0 , ff_zigzag_direct , sizeof(h->zigzag_scan8x8_q0 )); - memcpy(h->zigzag_scan8x8_cavlc_q0 , zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0)); - memcpy(h->field_scan_q0 , field_scan , sizeof(h->field_scan_q0 )); - memcpy(h->field_scan8x8_q0 , field_scan8x8 , sizeof(h->field_scan8x8_q0 )); - memcpy(h->field_scan8x8_cavlc_q0 , field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 )); - } else { - memcpy(h->zigzag_scan_q0 , h->zigzag_scan , sizeof(h->zigzag_scan_q0 )); - memcpy(h->zigzag_scan8x8_q0 , h->zigzag_scan8x8 , sizeof(h->zigzag_scan8x8_q0 )); - memcpy(h->zigzag_scan8x8_cavlc_q0 , h->zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0)); - memcpy(h->field_scan_q0 , h->field_scan , sizeof(h->field_scan_q0 )); - memcpy(h->field_scan8x8_q0 , h->field_scan8x8 , sizeof(h->field_scan8x8_q0 )); - memcpy(h->field_scan8x8_cavlc_q0 , h->field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 )); - } -} - -static int field_end(H264Context *h, int in_setup) -{ - AVCodecContext *const avctx = h->avctx; - int err = 0; - h->mb_y = 0; - - if (!in_setup && !h->droppable) - ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, - h->picture_structure == PICT_BOTTOM_FIELD); - - if (CONFIG_H264_VDPAU_DECODER && - h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) - ff_vdpau_h264_set_reference_frames(h); - - if (in_setup || !(avctx->active_thread_type & FF_THREAD_FRAME)) { - if (!h->droppable) { - err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index); - h->prev_poc_msb = h->poc_msb; - h->prev_poc_lsb = h->poc_lsb; - } - h->prev_frame_num_offset = h->frame_num_offset; - h->prev_frame_num = h->frame_num; - h->outputed_poc = h->next_outputed_poc; - } - - if (avctx->hwaccel) { - if (avctx->hwaccel->end_frame(avctx) < 0) - av_log(avctx, AV_LOG_ERROR, - "hardware accelerator failed to decode picture\n"); - } - - if (CONFIG_H264_VDPAU_DECODER && - h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) - ff_vdpau_h264_picture_complete(h); - - /* - * FIXME: Error handling code does not seem to support interlaced - * when slices span multiple rows - * The ff_er_add_slice calls don't work right for bottom - * fields; they cause massive erroneous error concealing - * Error marking covers both fields (top and bottom). - * This causes a mismatched s->error_count - * and a bad error table. Further, the error count goes to - * INT_MAX when called for bottom field, because mb_y is - * past end by one (callers fault) and resync_mb_y != 0 - * causes problems for the first MB line, too. - */ - if (CONFIG_ERROR_RESILIENCE && - !FIELD_PICTURE(h) && h->current_slice && !h->sps.new) { - h->er.cur_pic = h->cur_pic_ptr; - ff_er_frame_end(&h->er); - } - emms_c(); - - h->current_slice = 0; - - return err; -} - -/** - * Replicate H264 "master" context to thread contexts. - */ -static int clone_slice(H264Context *dst, H264Context *src) -{ - memcpy(dst->block_offset, src->block_offset, sizeof(dst->block_offset)); - dst->cur_pic_ptr = src->cur_pic_ptr; - dst->cur_pic = src->cur_pic; - dst->linesize = src->linesize; - dst->uvlinesize = src->uvlinesize; - dst->first_field = src->first_field; - - dst->prev_poc_msb = src->prev_poc_msb; - dst->prev_poc_lsb = src->prev_poc_lsb; - dst->prev_frame_num_offset = src->prev_frame_num_offset; - dst->prev_frame_num = src->prev_frame_num; - dst->short_ref_count = src->short_ref_count; - - memcpy(dst->short_ref, src->short_ref, sizeof(dst->short_ref)); - memcpy(dst->long_ref, src->long_ref, sizeof(dst->long_ref)); - memcpy(dst->default_ref_list, src->default_ref_list, sizeof(dst->default_ref_list)); - - memcpy(dst->dequant4_coeff, src->dequant4_coeff, sizeof(src->dequant4_coeff)); - memcpy(dst->dequant8_coeff, src->dequant8_coeff, sizeof(src->dequant8_coeff)); - - return 0; -} - -/** - * Compute profile from profile_idc and constraint_set?_flags. - * - * @param sps SPS - * - * @return profile as defined by FF_PROFILE_H264_* - */ -int ff_h264_get_profile(SPS *sps) -{ - int profile = sps->profile_idc; - - switch (sps->profile_idc) { - case FF_PROFILE_H264_BASELINE: - // constraint_set1_flag set to 1 - profile |= (sps->constraint_set_flags & 1 << 1) ? FF_PROFILE_H264_CONSTRAINED : 0; - break; - case FF_PROFILE_H264_HIGH_10: - case FF_PROFILE_H264_HIGH_422: - case FF_PROFILE_H264_HIGH_444_PREDICTIVE: - // constraint_set3_flag set to 1 - profile |= (sps->constraint_set_flags & 1 << 3) ? FF_PROFILE_H264_INTRA : 0; - break; - } - - return profile; -} - -static int h264_set_parameter_from_sps(H264Context *h) -{ - if (h->flags & CODEC_FLAG_LOW_DELAY || - (h->sps.bitstream_restriction_flag && - !h->sps.num_reorder_frames)) { - if (h->avctx->has_b_frames > 1 || h->delayed_pic[0]) - av_log(h->avctx, AV_LOG_WARNING, "Delayed frames seen. " - "Reenabling low delay requires a codec flush.\n"); - else - h->low_delay = 1; - } - - if (h->avctx->has_b_frames < 2) - h->avctx->has_b_frames = !h->low_delay; - - if (h->sps.bit_depth_luma != h->sps.bit_depth_chroma) { - avpriv_request_sample(h->avctx, - "Different chroma and luma bit depth"); - return AVERROR_PATCHWELCOME; - } - - if (h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma || - h->cur_chroma_format_idc != h->sps.chroma_format_idc) { - if (h->avctx->codec && - h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU && - (h->sps.bit_depth_luma != 8 || h->sps.chroma_format_idc > 1)) { - av_log(h->avctx, AV_LOG_ERROR, - "VDPAU decoding does not support video colorspace.\n"); - return AVERROR_INVALIDDATA; - } - if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 14 && - h->sps.bit_depth_luma != 11 && h->sps.bit_depth_luma != 13) { - h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma; - h->cur_chroma_format_idc = h->sps.chroma_format_idc; - h->pixel_shift = h->sps.bit_depth_luma > 8; - - ff_h264dsp_init(&h->h264dsp, h->sps.bit_depth_luma, - h->sps.chroma_format_idc); - ff_h264chroma_init(&h->h264chroma, h->sps.bit_depth_chroma); - ff_h264qpel_init(&h->h264qpel, h->sps.bit_depth_luma); - ff_h264_pred_init(&h->hpc, h->avctx->codec_id, h->sps.bit_depth_luma, - h->sps.chroma_format_idc); - if (CONFIG_ERROR_RESILIENCE) { - ff_dsputil_init(&h->dsp, h->avctx); - } - ff_videodsp_init(&h->vdsp, h->sps.bit_depth_luma); - } else { - av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth: %d\n", - h->sps.bit_depth_luma); - return AVERROR_INVALIDDATA; - } - } - return 0; -} - -static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback) -{ - switch (h->sps.bit_depth_luma) { - case 9: - if (CHROMA444) { - if (h->avctx->colorspace == AVCOL_SPC_RGB) { - return AV_PIX_FMT_GBRP9; - } else - return AV_PIX_FMT_YUV444P9; - } else if (CHROMA422) - return AV_PIX_FMT_YUV422P9; - else - return AV_PIX_FMT_YUV420P9; - break; - case 10: - if (CHROMA444) { - if (h->avctx->colorspace == AVCOL_SPC_RGB) { - return AV_PIX_FMT_GBRP10; - } else - return AV_PIX_FMT_YUV444P10; - } else if (CHROMA422) - return AV_PIX_FMT_YUV422P10; - else - return AV_PIX_FMT_YUV420P10; - break; - case 12: - if (CHROMA444) { - if (h->avctx->colorspace == AVCOL_SPC_RGB) { - return AV_PIX_FMT_GBRP12; - } else - return AV_PIX_FMT_YUV444P12; - } else if (CHROMA422) - return AV_PIX_FMT_YUV422P12; - else - return AV_PIX_FMT_YUV420P12; - break; - case 14: - if (CHROMA444) { - if (h->avctx->colorspace == AVCOL_SPC_RGB) { - return AV_PIX_FMT_GBRP14; - } else - return AV_PIX_FMT_YUV444P14; - } else if (CHROMA422) - return AV_PIX_FMT_YUV422P14; - else - return AV_PIX_FMT_YUV420P14; - break; - case 8: - if (CHROMA444) { - if (h->avctx->colorspace == AVCOL_SPC_RGB) { - av_log(h->avctx, AV_LOG_DEBUG, "Detected GBR colorspace.\n"); - return AV_PIX_FMT_GBR24P; - } else if (h->avctx->colorspace == AVCOL_SPC_YCGCO) { - av_log(h->avctx, AV_LOG_WARNING, "Detected unsupported YCgCo colorspace.\n"); - } - return h->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ444P - : AV_PIX_FMT_YUV444P; - } else if (CHROMA422) { - return h->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ422P - : AV_PIX_FMT_YUV422P; - } else { - int i; - const enum AVPixelFormat * fmt = h->avctx->codec->pix_fmts ? - h->avctx->codec->pix_fmts : - h->avctx->color_range == AVCOL_RANGE_JPEG ? - h264_hwaccel_pixfmt_list_jpeg_420 : - h264_hwaccel_pixfmt_list_420; - - for (i=0; fmt[i] != AV_PIX_FMT_NONE; i++) - if (fmt[i] == h->avctx->pix_fmt && !force_callback) - return fmt[i]; - return h->avctx->get_format(h->avctx, fmt); - } - break; - default: - av_log(h->avctx, AV_LOG_ERROR, - "Unsupported bit depth: %d\n", h->sps.bit_depth_luma); - return AVERROR_INVALIDDATA; - } -} - -static int h264_slice_header_init(H264Context *h, int reinit) -{ - int nb_slices = (HAVE_THREADS && - h->avctx->active_thread_type & FF_THREAD_SLICE) ? - h->avctx->thread_count : 1; - int i; - - if( FFALIGN(h->avctx->width , 16 ) == h->width - && FFALIGN(h->avctx->height, 16*(2 - h->sps.frame_mbs_only_flag)) == h->height - && !h->sps.crop_right && !h->sps.crop_bottom - && (h->avctx->width != h->width || h->avctx->height && h->height) - ) { - av_log(h->avctx, AV_LOG_DEBUG, "Using externally provided dimensions\n"); - h->avctx->coded_width = h->width; - h->avctx->coded_height = h->height; - } else{ - avcodec_set_dimensions(h->avctx, h->width, h->height); - h->avctx->width -= (2>>CHROMA444)*FFMIN(h->sps.crop_right, (8<<CHROMA444)-1); - h->avctx->height -= (1<<h->chroma_y_shift)*FFMIN(h->sps.crop_bottom, (16>>h->chroma_y_shift)-1) * (2 - h->sps.frame_mbs_only_flag); - } - - h->avctx->sample_aspect_ratio = h->sps.sar; - av_assert0(h->avctx->sample_aspect_ratio.den); - av_pix_fmt_get_chroma_sub_sample(h->avctx->pix_fmt, - &h->chroma_x_shift, &h->chroma_y_shift); - - if (h->sps.timing_info_present_flag) { - int64_t den = h->sps.time_scale; - if (h->x264_build < 44U) - den *= 2; - av_reduce(&h->avctx->time_base.num, &h->avctx->time_base.den, - h->sps.num_units_in_tick, den, 1 << 30); - } - - h->avctx->hwaccel = ff_find_hwaccel(h->avctx->codec->id, h->avctx->pix_fmt); - - if (reinit) - free_tables(h, 0); - h->first_field = 0; - h->prev_interlaced_frame = 1; - - init_scan_tables(h); - if (ff_h264_alloc_tables(h) < 0) { - av_log(h->avctx, AV_LOG_ERROR, - "Could not allocate memory for h264\n"); - return AVERROR(ENOMEM); - } - - if (nb_slices > MAX_THREADS || (nb_slices > h->mb_height && h->mb_height)) { - int max_slices; - if (h->mb_height) - max_slices = FFMIN(MAX_THREADS, h->mb_height); - else - max_slices = MAX_THREADS; - av_log(h->avctx, AV_LOG_WARNING, "too many threads/slices (%d)," - " reducing to %d\n", nb_slices, max_slices); - nb_slices = max_slices; - } - h->slice_context_count = nb_slices; - - if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) { - if (context_init(h) < 0) { - av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n"); - return -1; - } - } else { - for (i = 1; i < h->slice_context_count; i++) { - H264Context *c; - c = h->thread_context[i] = av_mallocz(sizeof(H264Context)); - c->avctx = h->avctx; - if (CONFIG_ERROR_RESILIENCE) { - c->dsp = h->dsp; - } - c->vdsp = h->vdsp; - c->h264dsp = h->h264dsp; - c->h264qpel = h->h264qpel; - c->h264chroma = h->h264chroma; - c->sps = h->sps; - c->pps = h->pps; - c->pixel_shift = h->pixel_shift; - c->cur_chroma_format_idc = h->cur_chroma_format_idc; - c->width = h->width; - c->height = h->height; - c->linesize = h->linesize; - c->uvlinesize = h->uvlinesize; - c->chroma_x_shift = h->chroma_x_shift; - c->chroma_y_shift = h->chroma_y_shift; - c->qscale = h->qscale; - c->droppable = h->droppable; - c->data_partitioning = h->data_partitioning; - c->low_delay = h->low_delay; - c->mb_width = h->mb_width; - c->mb_height = h->mb_height; - c->mb_stride = h->mb_stride; - c->mb_num = h->mb_num; - c->flags = h->flags; - c->workaround_bugs = h->workaround_bugs; - c->pict_type = h->pict_type; - - init_scan_tables(c); - clone_tables(c, h, i); - c->context_initialized = 1; - } - - for (i = 0; i < h->slice_context_count; i++) - if (context_init(h->thread_context[i]) < 0) { - av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n"); - return -1; - } - } - - h->context_initialized = 1; - - return 0; -} - -/** - * Decode a slice header. - * This will also call ff_MPV_common_init() and frame_start() as needed. - * - * @param h h264context - * @param h0 h264 master context (differs from 'h' when doing sliced based - * parallel decoding) - * - * @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded - */ -static int decode_slice_header(H264Context *h, H264Context *h0) -{ - unsigned int first_mb_in_slice; - unsigned int pps_id; - int num_ref_idx_active_override_flag, ret; - unsigned int slice_type, tmp, i, j; - int default_ref_list_done = 0; - int last_pic_structure, last_pic_droppable; - int must_reinit; - int needs_reinit = 0; - - h->me.qpel_put = h->h264qpel.put_h264_qpel_pixels_tab; - h->me.qpel_avg = h->h264qpel.avg_h264_qpel_pixels_tab; - - first_mb_in_slice = get_ue_golomb_long(&h->gb); - - if (first_mb_in_slice == 0) { // FIXME better field boundary detection - if (h0->current_slice && FIELD_PICTURE(h)) { - field_end(h, 1); - } - - h0->current_slice = 0; - if (!h0->first_field) { - if (h->cur_pic_ptr && !h->droppable) { - ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, - h->picture_structure == PICT_BOTTOM_FIELD); - } - h->cur_pic_ptr = NULL; - } - } - - slice_type = get_ue_golomb_31(&h->gb); - if (slice_type > 9) { - av_log(h->avctx, AV_LOG_ERROR, - "slice type too large (%d) at %d %d\n", - slice_type, h->mb_x, h->mb_y); - return -1; - } - if (slice_type > 4) { - slice_type -= 5; - h->slice_type_fixed = 1; - } else - h->slice_type_fixed = 0; - - slice_type = golomb_to_pict_type[slice_type]; - if (slice_type == AV_PICTURE_TYPE_I || - (h0->current_slice != 0 && - slice_type == h0->last_slice_type && - !memcmp(h0->last_ref_count, h0->ref_count, sizeof(h0->ref_count)))) { - default_ref_list_done = 1; - } - h->slice_type = slice_type; - h->slice_type_nos = slice_type & 3; - - // to make a few old functions happy, it's wrong though - h->pict_type = h->slice_type; - - pps_id = get_ue_golomb(&h->gb); - if (pps_id >= MAX_PPS_COUNT) { - av_log(h->avctx, AV_LOG_ERROR, "pps_id %d out of range\n", pps_id); - return -1; - } - if (!h0->pps_buffers[pps_id]) { - av_log(h->avctx, AV_LOG_ERROR, - "non-existing PPS %u referenced\n", - pps_id); - return -1; - } - h->pps = *h0->pps_buffers[pps_id]; - - if (!h0->sps_buffers[h->pps.sps_id]) { - av_log(h->avctx, AV_LOG_ERROR, - "non-existing SPS %u referenced\n", - h->pps.sps_id); - return -1; - } - - if (h->pps.sps_id != h->current_sps_id || - h0->sps_buffers[h->pps.sps_id]->new) { - h0->sps_buffers[h->pps.sps_id]->new = 0; - - h->current_sps_id = h->pps.sps_id; - h->sps = *h0->sps_buffers[h->pps.sps_id]; - - if (h->mb_width != h->sps.mb_width || - h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag) || - h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma || - h->cur_chroma_format_idc != h->sps.chroma_format_idc - ) - needs_reinit = 1; - - if (h->bit_depth_luma != h->sps.bit_depth_luma || - h->chroma_format_idc != h->sps.chroma_format_idc) { - h->bit_depth_luma = h->sps.bit_depth_luma; - h->chroma_format_idc = h->sps.chroma_format_idc; - needs_reinit = 1; - } - if ((ret = h264_set_parameter_from_sps(h)) < 0) - return ret; - } - - h->avctx->profile = ff_h264_get_profile(&h->sps); - h->avctx->level = h->sps.level_idc; - h->avctx->refs = h->sps.ref_frame_count; - - must_reinit = (h->context_initialized && - ( 16*h->sps.mb_width != h->avctx->coded_width - || 16*h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag) != h->avctx->coded_height - || h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma - || h->cur_chroma_format_idc != h->sps.chroma_format_idc - || av_cmp_q(h->sps.sar, h->avctx->sample_aspect_ratio))); - if (h0->avctx->pix_fmt != get_pixel_format(h0, 0)) - must_reinit = 1; - - h->mb_width = h->sps.mb_width; - h->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag); - h->mb_num = h->mb_width * h->mb_height; - h->mb_stride = h->mb_width + 1; - - h->b_stride = h->mb_width * 4; - - h->chroma_y_shift = h->sps.chroma_format_idc <= 1; // 400 uses yuv420p - - h->width = 16 * h->mb_width; - h->height = 16 * h->mb_height; - - if (h->sps.video_signal_type_present_flag) { - h->avctx->color_range = h->sps.full_range>0 ? AVCOL_RANGE_JPEG - : AVCOL_RANGE_MPEG; - if (h->sps.colour_description_present_flag) { - if (h->avctx->colorspace != h->sps.colorspace) - needs_reinit = 1; - h->avctx->color_primaries = h->sps.color_primaries; - h->avctx->color_trc = h->sps.color_trc; - h->avctx->colorspace = h->sps.colorspace; - } - } - - if (h->context_initialized && - ( - needs_reinit || - must_reinit)) { - - if (h != h0) { - av_log(h->avctx, AV_LOG_ERROR, "changing width/height on " - "slice %d\n", h0->current_slice + 1); - return AVERROR_INVALIDDATA; - } - - flush_change(h); - - if ((ret = get_pixel_format(h, 1)) < 0) - return ret; - h->avctx->pix_fmt = ret; - - av_log(h->avctx, AV_LOG_INFO, "Reinit context to %dx%d, " - "pix_fmt: %d\n", h->width, h->height, h->avctx->pix_fmt); - - if ((ret = h264_slice_header_init(h, 1)) < 0) { - av_log(h->avctx, AV_LOG_ERROR, - "h264_slice_header_init() failed\n"); - return ret; - } - } - if (!h->context_initialized) { - if (h != h0) { - av_log(h->avctx, AV_LOG_ERROR, - "Cannot (re-)initialize context during parallel decoding.\n"); - return -1; - } - - if ((ret = get_pixel_format(h, 1)) < 0) - return ret; - h->avctx->pix_fmt = ret; - - if ((ret = h264_slice_header_init(h, 0)) < 0) { - av_log(h->avctx, AV_LOG_ERROR, - "h264_slice_header_init() failed\n"); - return ret; - } - } - - if (h == h0 && h->dequant_coeff_pps != pps_id) { - h->dequant_coeff_pps = pps_id; - init_dequant_tables(h); - } - - h->frame_num = get_bits(&h->gb, h->sps.log2_max_frame_num); - - h->mb_mbaff = 0; - h->mb_aff_frame = 0; - last_pic_structure = h0->picture_structure; - last_pic_droppable = h0->droppable; - h->droppable = h->nal_ref_idc == 0; - if (h->sps.frame_mbs_only_flag) { - h->picture_structure = PICT_FRAME; - } else { - if (!h->sps.direct_8x8_inference_flag && slice_type == AV_PICTURE_TYPE_B) { - av_log(h->avctx, AV_LOG_ERROR, "This stream was generated by a broken encoder, invalid 8x8 inference\n"); - return -1; - } - if (get_bits1(&h->gb)) { // field_pic_flag - h->picture_structure = PICT_TOP_FIELD + get_bits1(&h->gb); // bottom_field_flag - } else { - h->picture_structure = PICT_FRAME; - h->mb_aff_frame = h->sps.mb_aff; - } - } - h->mb_field_decoding_flag = h->picture_structure != PICT_FRAME; - - if (h0->current_slice != 0) { - if (last_pic_structure != h->picture_structure || - last_pic_droppable != h->droppable) { - av_log(h->avctx, AV_LOG_ERROR, - "Changing field mode (%d -> %d) between slices is not allowed\n", - last_pic_structure, h->picture_structure); - h->picture_structure = last_pic_structure; - h->droppable = last_pic_droppable; - return AVERROR_INVALIDDATA; - } else if (!h0->cur_pic_ptr) { - av_log(h->avctx, AV_LOG_ERROR, - "unset cur_pic_ptr on %d. slice\n", - h0->current_slice + 1); - return AVERROR_INVALIDDATA; - } - } else { - /* Shorten frame num gaps so we don't have to allocate reference - * frames just to throw them away */ - if (h->frame_num != h->prev_frame_num && h->prev_frame_num >= 0) { - int unwrap_prev_frame_num = h->prev_frame_num; - int max_frame_num = 1 << h->sps.log2_max_frame_num; - - if (unwrap_prev_frame_num > h->frame_num) - unwrap_prev_frame_num -= max_frame_num; - - if ((h->frame_num - unwrap_prev_frame_num) > h->sps.ref_frame_count) { - unwrap_prev_frame_num = (h->frame_num - h->sps.ref_frame_count) - 1; - if (unwrap_prev_frame_num < 0) - unwrap_prev_frame_num += max_frame_num; - - h->prev_frame_num = unwrap_prev_frame_num; - } - } - - /* See if we have a decoded first field looking for a pair... - * Here, we're using that to see if we should mark previously - * decode frames as "finished". - * We have to do that before the "dummy" in-between frame allocation, - * since that can modify h->cur_pic_ptr. */ - if (h0->first_field) { - assert(h0->cur_pic_ptr); - assert(h0->cur_pic_ptr->f.data[0]); - assert(h0->cur_pic_ptr->reference != DELAYED_PIC_REF); - - /* Mark old field/frame as completed */ - if (!last_pic_droppable && h0->cur_pic_ptr->tf.owner == h0->avctx) { - ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX, - last_pic_structure == PICT_BOTTOM_FIELD); - } - - /* figure out if we have a complementary field pair */ - if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) { - /* Previous field is unmatched. Don't display it, but let it - * remain for reference if marked as such. */ - if (!last_pic_droppable && last_pic_structure != PICT_FRAME) { - ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX, - last_pic_structure == PICT_TOP_FIELD); - } - } else { - if (h0->cur_pic_ptr->frame_num != h->frame_num) { - /* This and previous field were reference, but had - * different frame_nums. Consider this field first in - * pair. Throw away previous field except for reference - * purposes. */ - if (!last_pic_droppable && last_pic_structure != PICT_FRAME) { - ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX, - last_pic_structure == PICT_TOP_FIELD); - } - } else { - /* Second field in complementary pair */ - if (!((last_pic_structure == PICT_TOP_FIELD && - h->picture_structure == PICT_BOTTOM_FIELD) || - (last_pic_structure == PICT_BOTTOM_FIELD && - h->picture_structure == PICT_TOP_FIELD))) { - av_log(h->avctx, AV_LOG_ERROR, - "Invalid field mode combination %d/%d\n", - last_pic_structure, h->picture_structure); - h->picture_structure = last_pic_structure; - h->droppable = last_pic_droppable; - return AVERROR_INVALIDDATA; - } else if (last_pic_droppable != h->droppable) { - avpriv_request_sample(h->avctx, - "Found reference and non-reference fields in the same frame, which"); - h->picture_structure = last_pic_structure; - h->droppable = last_pic_droppable; - return AVERROR_PATCHWELCOME; - } - } - } - } - - while (h->frame_num != h->prev_frame_num && h->prev_frame_num >= 0 && !h0->first_field && - h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) { - Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL; - av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", - h->frame_num, h->prev_frame_num); - if (!h->sps.gaps_in_frame_num_allowed_flag) - for(i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++) - h->last_pocs[i] = INT_MIN; - if (h264_frame_start(h) < 0) - return -1; - h->prev_frame_num++; - h->prev_frame_num %= 1 << h->sps.log2_max_frame_num; - h->cur_pic_ptr->frame_num = h->prev_frame_num; - ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0); - ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1); - if ((ret = ff_generate_sliding_window_mmcos(h, 1)) < 0 && - h->avctx->err_recognition & AV_EF_EXPLODE) - return ret; - if (ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index) < 0 && - (h->avctx->err_recognition & AV_EF_EXPLODE)) - return AVERROR_INVALIDDATA; - /* Error concealment: if a ref is missing, copy the previous ref in its place. - * FIXME: avoiding a memcpy would be nice, but ref handling makes many assumptions - * about there being no actual duplicates. - * FIXME: this doesn't copy padding for out-of-frame motion vectors. Given we're - * concealing a lost frame, this probably isn't noticeable by comparison, but it should - * be fixed. */ - if (h->short_ref_count) { - if (prev) { - av_image_copy(h->short_ref[0]->f.data, h->short_ref[0]->f.linesize, - (const uint8_t **)prev->f.data, prev->f.linesize, - h->avctx->pix_fmt, h->mb_width * 16, h->mb_height * 16); - h->short_ref[0]->poc = prev->poc + 2; - } - h->short_ref[0]->frame_num = h->prev_frame_num; - } - } - - /* See if we have a decoded first field looking for a pair... - * We're using that to see whether to continue decoding in that - * frame, or to allocate a new one. */ - if (h0->first_field) { - assert(h0->cur_pic_ptr); - assert(h0->cur_pic_ptr->f.data[0]); - assert(h0->cur_pic_ptr->reference != DELAYED_PIC_REF); - - /* figure out if we have a complementary field pair */ - if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) { - /* Previous field is unmatched. Don't display it, but let it - * remain for reference if marked as such. */ - h0->cur_pic_ptr = NULL; - h0->first_field = FIELD_PICTURE(h); - } else { - if (h0->cur_pic_ptr->frame_num != h->frame_num) { - ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX, - h0->picture_structure==PICT_BOTTOM_FIELD); - /* This and the previous field had different frame_nums. - * Consider this field first in pair. Throw away previous - * one except for reference purposes. */ - h0->first_field = 1; - h0->cur_pic_ptr = NULL; - } else { - /* Second field in complementary pair */ - h0->first_field = 0; - } - } - } else { - /* Frame or first field in a potentially complementary pair */ - h0->first_field = FIELD_PICTURE(h); - } - - if (!FIELD_PICTURE(h) || h0->first_field) { - if (h264_frame_start(h) < 0) { - h0->first_field = 0; - return -1; - } - } else { - release_unused_pictures(h, 0); - } - } - if (h != h0 && (ret = clone_slice(h, h0)) < 0) - return ret; - - /* can't be in alloc_tables because linesize isn't known there. - * FIXME: redo bipred weight to not require extra buffer? */ - for (i = 0; i < h->slice_context_count; i++) - if (h->thread_context[i]) { - ret = alloc_scratch_buffers(h->thread_context[i], h->linesize); - if (ret < 0) - return ret; - } - - h->cur_pic_ptr->frame_num = h->frame_num; // FIXME frame_num cleanup - - av_assert1(h->mb_num == h->mb_width * h->mb_height); - if (first_mb_in_slice << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num || - first_mb_in_slice >= h->mb_num) { - av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n"); - return -1; - } - h->resync_mb_x = h->mb_x = first_mb_in_slice % h->mb_width; - h->resync_mb_y = h->mb_y = (first_mb_in_slice / h->mb_width) << FIELD_OR_MBAFF_PICTURE(h); - if (h->picture_structure == PICT_BOTTOM_FIELD) - h->resync_mb_y = h->mb_y = h->mb_y + 1; - av_assert1(h->mb_y < h->mb_height); - - if (h->picture_structure == PICT_FRAME) { - h->curr_pic_num = h->frame_num; - h->max_pic_num = 1 << h->sps.log2_max_frame_num; - } else { - h->curr_pic_num = 2 * h->frame_num + 1; - h->max_pic_num = 1 << (h->sps.log2_max_frame_num + 1); - } - - if (h->nal_unit_type == NAL_IDR_SLICE) - get_ue_golomb(&h->gb); /* idr_pic_id */ - - if (h->sps.poc_type == 0) { - h->poc_lsb = get_bits(&h->gb, h->sps.log2_max_poc_lsb); - - if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) - h->delta_poc_bottom = get_se_golomb(&h->gb); - } - - if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) { - h->delta_poc[0] = get_se_golomb(&h->gb); - - if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) - h->delta_poc[1] = get_se_golomb(&h->gb); - } - - init_poc(h); - - if (h->pps.redundant_pic_cnt_present) - h->redundant_pic_count = get_ue_golomb(&h->gb); - - // set defaults, might be overridden a few lines later - h->ref_count[0] = h->pps.ref_count[0]; - h->ref_count[1] = h->pps.ref_count[1]; - - if (h->slice_type_nos != AV_PICTURE_TYPE_I) { - unsigned max[2]; - max[0] = max[1] = h->picture_structure == PICT_FRAME ? 15 : 31; - - if (h->slice_type_nos == AV_PICTURE_TYPE_B) - h->direct_spatial_mv_pred = get_bits1(&h->gb); - num_ref_idx_active_override_flag = get_bits1(&h->gb); - - if (num_ref_idx_active_override_flag) { - h->ref_count[0] = get_ue_golomb(&h->gb) + 1; - if (h->slice_type_nos == AV_PICTURE_TYPE_B) { - h->ref_count[1] = get_ue_golomb(&h->gb) + 1; - } else - // full range is spec-ok in this case, even for frames - h->ref_count[1] = 1; - } - - if (h->ref_count[0]-1 > max[0] || h->ref_count[1]-1 > max[1]){ - av_log(h->avctx, AV_LOG_ERROR, "reference overflow %u > %u or %u > %u\n", h->ref_count[0]-1, max[0], h->ref_count[1]-1, max[1]); - h->ref_count[0] = h->ref_count[1] = 0; - return AVERROR_INVALIDDATA; - } - - if (h->slice_type_nos == AV_PICTURE_TYPE_B) - h->list_count = 2; - else - h->list_count = 1; - } else { - h->list_count = 0; - h->ref_count[0] = h->ref_count[1] = 0; - } - - if (!default_ref_list_done) - ff_h264_fill_default_ref_list(h); - - if (h->slice_type_nos != AV_PICTURE_TYPE_I && - ff_h264_decode_ref_pic_list_reordering(h) < 0) { - h->ref_count[1] = h->ref_count[0] = 0; - return -1; - } - - if ((h->pps.weighted_pred && h->slice_type_nos == AV_PICTURE_TYPE_P) || - (h->pps.weighted_bipred_idc == 1 && - h->slice_type_nos == AV_PICTURE_TYPE_B)) - pred_weight_table(h); - else if (h->pps.weighted_bipred_idc == 2 && - h->slice_type_nos == AV_PICTURE_TYPE_B) { - implicit_weight_table(h, -1); - } else { - h->use_weight = 0; - for (i = 0; i < 2; i++) { - h->luma_weight_flag[i] = 0; - h->chroma_weight_flag[i] = 0; - } - } - - // If frame-mt is enabled, only update mmco tables for the first slice - // in a field. Subsequent slices can temporarily clobber h->mmco_index - // or h->mmco, which will cause ref list mix-ups and decoding errors - // further down the line. This may break decoding if the first slice is - // corrupt, thus we only do this if frame-mt is enabled. - if (h->nal_ref_idc && - ff_h264_decode_ref_pic_marking(h0, &h->gb, - !(h->avctx->active_thread_type & FF_THREAD_FRAME) || - h0->current_slice == 0) < 0 && - (h->avctx->err_recognition & AV_EF_EXPLODE)) - return AVERROR_INVALIDDATA; - - if (FRAME_MBAFF(h)) { - ff_h264_fill_mbaff_ref_list(h); - - if (h->pps.weighted_bipred_idc == 2 && h->slice_type_nos == AV_PICTURE_TYPE_B) { - implicit_weight_table(h, 0); - implicit_weight_table(h, 1); - } - } - - if (h->slice_type_nos == AV_PICTURE_TYPE_B && !h->direct_spatial_mv_pred) - ff_h264_direct_dist_scale_factor(h); - ff_h264_direct_ref_list_init(h); - - if (h->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) { - tmp = get_ue_golomb_31(&h->gb); - if (tmp > 2) { - av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n"); - return -1; - } - h->cabac_init_idc = tmp; - } - - h->last_qscale_diff = 0; - tmp = h->pps.init_qp + get_se_golomb(&h->gb); - if (tmp > 51 + 6 * (h->sps.bit_depth_luma - 8)) { - av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp); - return -1; - } - h->qscale = tmp; - h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale); - h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale); - // FIXME qscale / qp ... stuff - if (h->slice_type == AV_PICTURE_TYPE_SP) - get_bits1(&h->gb); /* sp_for_switch_flag */ - if (h->slice_type == AV_PICTURE_TYPE_SP || - h->slice_type == AV_PICTURE_TYPE_SI) - get_se_golomb(&h->gb); /* slice_qs_delta */ - - h->deblocking_filter = 1; - h->slice_alpha_c0_offset = 52; - h->slice_beta_offset = 52; - if (h->pps.deblocking_filter_parameters_present) { - tmp = get_ue_golomb_31(&h->gb); - if (tmp > 2) { - av_log(h->avctx, AV_LOG_ERROR, - "deblocking_filter_idc %u out of range\n", tmp); - return -1; - } - h->deblocking_filter = tmp; - if (h->deblocking_filter < 2) - h->deblocking_filter ^= 1; // 1<->0 - - if (h->deblocking_filter) { - h->slice_alpha_c0_offset += get_se_golomb(&h->gb) << 1; - h->slice_beta_offset += get_se_golomb(&h->gb) << 1; - if (h->slice_alpha_c0_offset > 104U || - h->slice_beta_offset > 104U) { - av_log(h->avctx, AV_LOG_ERROR, - "deblocking filter parameters %d %d out of range\n", - h->slice_alpha_c0_offset, h->slice_beta_offset); - return -1; - } - } - } - - if (h->avctx->skip_loop_filter >= AVDISCARD_ALL || - (h->avctx->skip_loop_filter >= AVDISCARD_NONKEY && - h->slice_type_nos != AV_PICTURE_TYPE_I) || - (h->avctx->skip_loop_filter >= AVDISCARD_BIDIR && - h->slice_type_nos == AV_PICTURE_TYPE_B) || - (h->avctx->skip_loop_filter >= AVDISCARD_NONREF && - h->nal_ref_idc == 0)) - h->deblocking_filter = 0; - - if (h->deblocking_filter == 1 && h0->max_contexts > 1) { - if (h->avctx->flags2 & CODEC_FLAG2_FAST) { - /* Cheat slightly for speed: - * Do not bother to deblock across slices. */ - h->deblocking_filter = 2; - } else { - h0->max_contexts = 1; - if (!h0->single_decode_warning) { - av_log(h->avctx, AV_LOG_INFO, - "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n"); - h0->single_decode_warning = 1; - } - if (h != h0) { - av_log(h->avctx, AV_LOG_ERROR, - "Deblocking switched inside frame.\n"); - return 1; - } - } - } - h->qp_thresh = 15 + 52 - - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) - - FFMAX3(0, - h->pps.chroma_qp_index_offset[0], - h->pps.chroma_qp_index_offset[1]) + - 6 * (h->sps.bit_depth_luma - 8); - - h0->last_slice_type = slice_type; - memcpy(h0->last_ref_count, h0->ref_count, sizeof(h0->last_ref_count)); - h->slice_num = ++h0->current_slice; - - if (h->slice_num) - h0->slice_row[(h->slice_num-1)&(MAX_SLICES-1)]= h->resync_mb_y; - if ( h0->slice_row[h->slice_num&(MAX_SLICES-1)] + 3 >= h->resync_mb_y - && h0->slice_row[h->slice_num&(MAX_SLICES-1)] <= h->resync_mb_y - && h->slice_num >= MAX_SLICES) { - //in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case - av_log(h->avctx, AV_LOG_WARNING, "Possibly too many slices (%d >= %d), increase MAX_SLICES and recompile if there are artifacts\n", h->slice_num, MAX_SLICES); - } - - for (j = 0; j < 2; j++) { - int id_list[16]; - int *ref2frm = h->ref2frm[h->slice_num & (MAX_SLICES - 1)][j]; - for (i = 0; i < 16; i++) { - id_list[i] = 60; - if (j < h->list_count && i < h->ref_count[j] && h->ref_list[j][i].f.buf[0]) { - int k; - AVBuffer *buf = h->ref_list[j][i].f.buf[0]->buffer; - for (k = 0; k < h->short_ref_count; k++) - if (h->short_ref[k]->f.buf[0]->buffer == buf) { - id_list[i] = k; - break; - } - for (k = 0; k < h->long_ref_count; k++) - if (h->long_ref[k] && h->long_ref[k]->f.buf[0]->buffer == buf) { - id_list[i] = h->short_ref_count + k; - break; - } - } - } - - ref2frm[0] = - ref2frm[1] = -1; - for (i = 0; i < 16; i++) - ref2frm[i + 2] = 4 * id_list[i] + - (h->ref_list[j][i].reference & 3); - ref2frm[18 + 0] = - ref2frm[18 + 1] = -1; - for (i = 16; i < 48; i++) - ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1] + - (h->ref_list[j][i].reference & 3); - } - - if (h->ref_count[0]) h->er.last_pic = &h->ref_list[0][0]; - if (h->ref_count[1]) h->er.next_pic = &h->ref_list[1][0]; - - if (h->avctx->debug & FF_DEBUG_PICT_INFO) { - av_log(h->avctx, AV_LOG_DEBUG, - "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n", - h->slice_num, - (h->picture_structure == PICT_FRAME ? "F" : h->picture_structure == PICT_TOP_FIELD ? "T" : "B"), - first_mb_in_slice, - av_get_picture_type_char(h->slice_type), - h->slice_type_fixed ? " fix" : "", - h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "", - pps_id, h->frame_num, - h->cur_pic_ptr->field_poc[0], - h->cur_pic_ptr->field_poc[1], - h->ref_count[0], h->ref_count[1], - h->qscale, - h->deblocking_filter, - h->slice_alpha_c0_offset / 2 - 26, h->slice_beta_offset / 2 - 26, - h->use_weight, - h->use_weight == 1 && h->use_weight_chroma ? "c" : "", - h->slice_type == AV_PICTURE_TYPE_B ? (h->direct_spatial_mv_pred ? "SPAT" : "TEMP") : ""); - } - - return 0; -} - -int ff_h264_get_slice_type(const H264Context *h) -{ - switch (h->slice_type) { - case AV_PICTURE_TYPE_P: - return 0; - case AV_PICTURE_TYPE_B: - return 1; - case AV_PICTURE_TYPE_I: - return 2; - case AV_PICTURE_TYPE_SP: - return 3; - case AV_PICTURE_TYPE_SI: - return 4; - default: - return -1; - } -} - -static av_always_inline void fill_filter_caches_inter(H264Context *h, - int mb_type, int top_xy, - int left_xy[LEFT_MBS], - int top_type, - int left_type[LEFT_MBS], - int mb_xy, int list) -{ - int b_stride = h->b_stride; - int16_t(*mv_dst)[2] = &h->mv_cache[list][scan8[0]]; - int8_t *ref_cache = &h->ref_cache[list][scan8[0]]; - if (IS_INTER(mb_type) || IS_DIRECT(mb_type)) { - if (USES_LIST(top_type, list)) { - const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride; - const int b8_xy = 4 * top_xy + 2; - int (*ref2frm)[64] = (void*)(h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2)); - AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]); - ref_cache[0 - 1 * 8] = - ref_cache[1 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 0]]; - ref_cache[2 - 1 * 8] = - ref_cache[3 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 1]]; - } else { - AV_ZERO128(mv_dst - 1 * 8); - AV_WN32A(&ref_cache[0 - 1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u); - } - - if (!IS_INTERLACED(mb_type ^ left_type[LTOP])) { - if (USES_LIST(left_type[LTOP], list)) { - const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3; - const int b8_xy = 4 * left_xy[LTOP] + 1; - int (*ref2frm)[64] =(void*)( h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2)); - AV_COPY32(mv_dst - 1 + 0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]); - AV_COPY32(mv_dst - 1 + 8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]); - AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]); - AV_COPY32(mv_dst - 1 + 24, h->cur_pic.motion_val[list][b_xy + b_stride * 3]); - ref_cache[-1 + 0] = - ref_cache[-1 + 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 0]]; - ref_cache[-1 + 16] = - ref_cache[-1 + 24] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 1]]; - } else { - AV_ZERO32(mv_dst - 1 + 0); - AV_ZERO32(mv_dst - 1 + 8); - AV_ZERO32(mv_dst - 1 + 16); - AV_ZERO32(mv_dst - 1 + 24); - ref_cache[-1 + 0] = - ref_cache[-1 + 8] = - ref_cache[-1 + 16] = - ref_cache[-1 + 24] = LIST_NOT_USED; - } - } - } - - if (!USES_LIST(mb_type, list)) { - fill_rectangle(mv_dst, 4, 4, 8, pack16to32(0, 0), 4); - AV_WN32A(&ref_cache[0 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u); - AV_WN32A(&ref_cache[1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u); - AV_WN32A(&ref_cache[2 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u); - AV_WN32A(&ref_cache[3 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u); - return; - } - - { - int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy]; - int (*ref2frm)[64] = (void*)(h->ref2frm[h->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2)); - uint32_t ref01 = (pack16to32(ref2frm[list][ref[0]], ref2frm[list][ref[1]]) & 0x00FF00FF) * 0x0101; - uint32_t ref23 = (pack16to32(ref2frm[list][ref[2]], ref2frm[list][ref[3]]) & 0x00FF00FF) * 0x0101; - AV_WN32A(&ref_cache[0 * 8], ref01); - AV_WN32A(&ref_cache[1 * 8], ref01); - AV_WN32A(&ref_cache[2 * 8], ref23); - AV_WN32A(&ref_cache[3 * 8], ref23); - } - - { - int16_t(*mv_src)[2] = &h->cur_pic.motion_val[list][4 * h->mb_x + 4 * h->mb_y * b_stride]; - AV_COPY128(mv_dst + 8 * 0, mv_src + 0 * b_stride); - AV_COPY128(mv_dst + 8 * 1, mv_src + 1 * b_stride); - AV_COPY128(mv_dst + 8 * 2, mv_src + 2 * b_stride); - AV_COPY128(mv_dst + 8 * 3, mv_src + 3 * b_stride); - } -} - -/** - * - * @return non zero if the loop filter can be skipped - */ -static int fill_filter_caches(H264Context *h, int mb_type) -{ - const int mb_xy = h->mb_xy; - int top_xy, left_xy[LEFT_MBS]; - int top_type, left_type[LEFT_MBS]; - uint8_t *nnz; - uint8_t *nnz_cache; - - top_xy = mb_xy - (h->mb_stride << MB_FIELD(h)); - - /* Wow, what a mess, why didn't they simplify the interlacing & intra - * stuff, I can't imagine that these complex rules are worth it. */ - - left_xy[LBOT] = left_xy[LTOP] = mb_xy - 1; - if (FRAME_MBAFF(h)) { - const int left_mb_field_flag = IS_INTERLACED(h->cur_pic.mb_type[mb_xy - 1]); - const int curr_mb_field_flag = IS_INTERLACED(mb_type); - if (h->mb_y & 1) { - if (left_mb_field_flag != curr_mb_field_flag) - left_xy[LTOP] -= h->mb_stride; - } else { - if (curr_mb_field_flag) - top_xy += h->mb_stride & - (((h->cur_pic.mb_type[top_xy] >> 7) & 1) - 1); - if (left_mb_field_flag != curr_mb_field_flag) - left_xy[LBOT] += h->mb_stride; - } - } - - h->top_mb_xy = top_xy; - h->left_mb_xy[LTOP] = left_xy[LTOP]; - h->left_mb_xy[LBOT] = left_xy[LBOT]; - { - /* For sufficiently low qp, filtering wouldn't do anything. - * This is a conservative estimate: could also check beta_offset - * and more accurate chroma_qp. */ - int qp_thresh = h->qp_thresh; // FIXME strictly we should store qp_thresh for each mb of a slice - int qp = h->cur_pic.qscale_table[mb_xy]; - if (qp <= qp_thresh && - (left_xy[LTOP] < 0 || - ((qp + h->cur_pic.qscale_table[left_xy[LTOP]] + 1) >> 1) <= qp_thresh) && - (top_xy < 0 || - ((qp + h->cur_pic.qscale_table[top_xy] + 1) >> 1) <= qp_thresh)) { - if (!FRAME_MBAFF(h)) - return 1; - if ((left_xy[LTOP] < 0 || - ((qp + h->cur_pic.qscale_table[left_xy[LBOT]] + 1) >> 1) <= qp_thresh) && - (top_xy < h->mb_stride || - ((qp + h->cur_pic.qscale_table[top_xy - h->mb_stride] + 1) >> 1) <= qp_thresh)) - return 1; - } - } - - top_type = h->cur_pic.mb_type[top_xy]; - left_type[LTOP] = h->cur_pic.mb_type[left_xy[LTOP]]; - left_type[LBOT] = h->cur_pic.mb_type[left_xy[LBOT]]; - if (h->deblocking_filter == 2) { - if (h->slice_table[top_xy] != h->slice_num) - top_type = 0; - if (h->slice_table[left_xy[LBOT]] != h->slice_num) - left_type[LTOP] = left_type[LBOT] = 0; - } else { - if (h->slice_table[top_xy] == 0xFFFF) - top_type = 0; - if (h->slice_table[left_xy[LBOT]] == 0xFFFF) - left_type[LTOP] = left_type[LBOT] = 0; - } - h->top_type = top_type; - h->left_type[LTOP] = left_type[LTOP]; - h->left_type[LBOT] = left_type[LBOT]; - - if (IS_INTRA(mb_type)) - return 0; - - fill_filter_caches_inter(h, mb_type, top_xy, left_xy, - top_type, left_type, mb_xy, 0); - if (h->list_count == 2) - fill_filter_caches_inter(h, mb_type, top_xy, left_xy, - top_type, left_type, mb_xy, 1); - - nnz = h->non_zero_count[mb_xy]; - nnz_cache = h->non_zero_count_cache; - AV_COPY32(&nnz_cache[4 + 8 * 1], &nnz[0]); - AV_COPY32(&nnz_cache[4 + 8 * 2], &nnz[4]); - AV_COPY32(&nnz_cache[4 + 8 * 3], &nnz[8]); - AV_COPY32(&nnz_cache[4 + 8 * 4], &nnz[12]); - h->cbp = h->cbp_table[mb_xy]; - - if (top_type) { - nnz = h->non_zero_count[top_xy]; - AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[3 * 4]); - } - - if (left_type[LTOP]) { - nnz = h->non_zero_count[left_xy[LTOP]]; - nnz_cache[3 + 8 * 1] = nnz[3 + 0 * 4]; - nnz_cache[3 + 8 * 2] = nnz[3 + 1 * 4]; - nnz_cache[3 + 8 * 3] = nnz[3 + 2 * 4]; - nnz_cache[3 + 8 * 4] = nnz[3 + 3 * 4]; - } - - /* CAVLC 8x8dct requires NNZ values for residual decoding that differ - * from what the loop filter needs */ - if (!CABAC(h) && h->pps.transform_8x8_mode) { - if (IS_8x8DCT(top_type)) { - nnz_cache[4 + 8 * 0] = - nnz_cache[5 + 8 * 0] = (h->cbp_table[top_xy] & 0x4000) >> 12; - nnz_cache[6 + 8 * 0] = - nnz_cache[7 + 8 * 0] = (h->cbp_table[top_xy] & 0x8000) >> 12; - } - if (IS_8x8DCT(left_type[LTOP])) { - nnz_cache[3 + 8 * 1] = - nnz_cache[3 + 8 * 2] = (h->cbp_table[left_xy[LTOP]] & 0x2000) >> 12; // FIXME check MBAFF - } - if (IS_8x8DCT(left_type[LBOT])) { - nnz_cache[3 + 8 * 3] = - nnz_cache[3 + 8 * 4] = (h->cbp_table[left_xy[LBOT]] & 0x8000) >> 12; // FIXME check MBAFF - } - - if (IS_8x8DCT(mb_type)) { - nnz_cache[scan8[0]] = - nnz_cache[scan8[1]] = - nnz_cache[scan8[2]] = - nnz_cache[scan8[3]] = (h->cbp & 0x1000) >> 12; - - nnz_cache[scan8[0 + 4]] = - nnz_cache[scan8[1 + 4]] = - nnz_cache[scan8[2 + 4]] = - nnz_cache[scan8[3 + 4]] = (h->cbp & 0x2000) >> 12; - - nnz_cache[scan8[0 + 8]] = - nnz_cache[scan8[1 + 8]] = - nnz_cache[scan8[2 + 8]] = - nnz_cache[scan8[3 + 8]] = (h->cbp & 0x4000) >> 12; - - nnz_cache[scan8[0 + 12]] = - nnz_cache[scan8[1 + 12]] = - nnz_cache[scan8[2 + 12]] = - nnz_cache[scan8[3 + 12]] = (h->cbp & 0x8000) >> 12; - } - } - - return 0; -} - -static void loop_filter(H264Context *h, int start_x, int end_x) -{ - uint8_t *dest_y, *dest_cb, *dest_cr; - int linesize, uvlinesize, mb_x, mb_y; - const int end_mb_y = h->mb_y + FRAME_MBAFF(h); - const int old_slice_type = h->slice_type; - const int pixel_shift = h->pixel_shift; - const int block_h = 16 >> h->chroma_y_shift; - - if (h->deblocking_filter) { - for (mb_x = start_x; mb_x < end_x; mb_x++) - for (mb_y = end_mb_y - FRAME_MBAFF(h); mb_y <= end_mb_y; mb_y++) { - int mb_xy, mb_type; - mb_xy = h->mb_xy = mb_x + mb_y * h->mb_stride; - h->slice_num = h->slice_table[mb_xy]; - mb_type = h->cur_pic.mb_type[mb_xy]; - h->list_count = h->list_counts[mb_xy]; - - if (FRAME_MBAFF(h)) - h->mb_mbaff = - h->mb_field_decoding_flag = !!IS_INTERLACED(mb_type); - - h->mb_x = mb_x; - h->mb_y = mb_y; - dest_y = h->cur_pic.f.data[0] + - ((mb_x << pixel_shift) + mb_y * h->linesize) * 16; - dest_cb = h->cur_pic.f.data[1] + - (mb_x << pixel_shift) * (8 << CHROMA444) + - mb_y * h->uvlinesize * block_h; - dest_cr = h->cur_pic.f.data[2] + - (mb_x << pixel_shift) * (8 << CHROMA444) + - mb_y * h->uvlinesize * block_h; - // FIXME simplify above - - if (MB_FIELD(h)) { - linesize = h->mb_linesize = h->linesize * 2; - uvlinesize = h->mb_uvlinesize = h->uvlinesize * 2; - if (mb_y & 1) { // FIXME move out of this function? - dest_y -= h->linesize * 15; - dest_cb -= h->uvlinesize * (block_h - 1); - dest_cr -= h->uvlinesize * (block_h - 1); - } - } else { - linesize = h->mb_linesize = h->linesize; - uvlinesize = h->mb_uvlinesize = h->uvlinesize; - } - backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, - uvlinesize, 0); - if (fill_filter_caches(h, mb_type)) - continue; - h->chroma_qp[0] = get_chroma_qp(h, 0, h->cur_pic.qscale_table[mb_xy]); - h->chroma_qp[1] = get_chroma_qp(h, 1, h->cur_pic.qscale_table[mb_xy]); - - if (FRAME_MBAFF(h)) { - ff_h264_filter_mb(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, - linesize, uvlinesize); - } else { - ff_h264_filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, - dest_cr, linesize, uvlinesize); - } - } - } - h->slice_type = old_slice_type; - h->mb_x = end_x; - h->mb_y = end_mb_y - FRAME_MBAFF(h); - h->chroma_qp[0] = get_chroma_qp(h, 0, h->qscale); - h->chroma_qp[1] = get_chroma_qp(h, 1, h->qscale); -} - -static void predict_field_decoding_flag(H264Context *h) -{ - const int mb_xy = h->mb_x + h->mb_y * h->mb_stride; - int mb_type = (h->slice_table[mb_xy - 1] == h->slice_num) ? - h->cur_pic.mb_type[mb_xy - 1] : - (h->slice_table[mb_xy - h->mb_stride] == h->slice_num) ? - h->cur_pic.mb_type[mb_xy - h->mb_stride] : 0; - h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0; -} - -/** - * Draw edges and report progress for the last MB row. - */ -static void decode_finish_row(H264Context *h) -{ - int top = 16 * (h->mb_y >> FIELD_PICTURE(h)); - int pic_height = 16 * h->mb_height >> FIELD_PICTURE(h); - int height = 16 << FRAME_MBAFF(h); - int deblock_border = (16 + 4) << FRAME_MBAFF(h); - - if (h->deblocking_filter) { - if ((top + height) >= pic_height) - height += deblock_border; - top -= deblock_border; - } - - if (top >= pic_height || (top + height) < 0) - return; - - height = FFMIN(height, pic_height - top); - if (top < 0) { - height = top + height; - top = 0; - } - - ff_h264_draw_horiz_band(h, top, height); - - if (h->droppable) - return; - - ff_thread_report_progress(&h->cur_pic_ptr->tf, top + height - 1, - h->picture_structure == PICT_BOTTOM_FIELD); -} - -static void er_add_slice(H264Context *h, int startx, int starty, - int endx, int endy, int status) -{ - if (CONFIG_ERROR_RESILIENCE) { - ERContext *er = &h->er; - - er->ref_count = h->ref_count[0]; - ff_er_add_slice(er, startx, starty, endx, endy, status); - } -} - -static int decode_slice(struct AVCodecContext *avctx, void *arg) -{ - H264Context *h = *(void **)arg; - int lf_x_start = h->mb_x; - - h->mb_skip_run = -1; - - av_assert0(h->block_offset[15] == (4 * ((scan8[15] - scan8[0]) & 7) << h->pixel_shift) + 4 * h->linesize * ((scan8[15] - scan8[0]) >> 3)); - - h->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME || - avctx->codec_id != AV_CODEC_ID_H264 || - (CONFIG_GRAY && (h->flags & CODEC_FLAG_GRAY)); - - if (h->pps.cabac) { - /* realign */ - align_get_bits(&h->gb); - - /* init cabac */ - ff_init_cabac_decoder(&h->cabac, - h->gb.buffer + get_bits_count(&h->gb) / 8, - (get_bits_left(&h->gb) + 7) / 8); - - ff_h264_init_cabac_states(h); - - for (;;) { - // START_TIMER - int ret = ff_h264_decode_mb_cabac(h); - int eos; - // STOP_TIMER("decode_mb_cabac") - - if (ret >= 0) - ff_h264_hl_decode_mb(h); - - // FIXME optimal? or let mb_decode decode 16x32 ? - if (ret >= 0 && FRAME_MBAFF(h)) { - h->mb_y++; - - ret = ff_h264_decode_mb_cabac(h); - - if (ret >= 0) - ff_h264_hl_decode_mb(h); - h->mb_y--; - } - eos = get_cabac_terminate(&h->cabac); - - if ((h->workaround_bugs & FF_BUG_TRUNCATED) && - h->cabac.bytestream > h->cabac.bytestream_end + 2) { - er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x - 1, - h->mb_y, ER_MB_END); - if (h->mb_x >= lf_x_start) - loop_filter(h, lf_x_start, h->mb_x + 1); - return 0; - } - if (h->cabac.bytestream > h->cabac.bytestream_end + 2 ) - av_log(h->avctx, AV_LOG_DEBUG, "bytestream overread %td\n", h->cabac.bytestream_end - h->cabac.bytestream); - if (ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 4) { - av_log(h->avctx, AV_LOG_ERROR, - "error while decoding MB %d %d, bytestream (%td)\n", - h->mb_x, h->mb_y, - h->cabac.bytestream_end - h->cabac.bytestream); - er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x, - h->mb_y, ER_MB_ERROR); - return -1; - } - - if (++h->mb_x >= h->mb_width) { - loop_filter(h, lf_x_start, h->mb_x); - h->mb_x = lf_x_start = 0; - decode_finish_row(h); - ++h->mb_y; - if (FIELD_OR_MBAFF_PICTURE(h)) { - ++h->mb_y; - if (FRAME_MBAFF(h) && h->mb_y < h->mb_height) - predict_field_decoding_flag(h); - } - } - - if (eos || h->mb_y >= h->mb_height) { - tprintf(h->avctx, "slice end %d %d\n", - get_bits_count(&h->gb), h->gb.size_in_bits); - er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x - 1, - h->mb_y, ER_MB_END); - if (h->mb_x > lf_x_start) - loop_filter(h, lf_x_start, h->mb_x); - return 0; - } - } - } else { - for (;;) { - int ret = ff_h264_decode_mb_cavlc(h); - - if (ret >= 0) - ff_h264_hl_decode_mb(h); - - // FIXME optimal? or let mb_decode decode 16x32 ? - if (ret >= 0 && FRAME_MBAFF(h)) { - h->mb_y++; - ret = ff_h264_decode_mb_cavlc(h); - - if (ret >= 0) - ff_h264_hl_decode_mb(h); - h->mb_y--; - } - - if (ret < 0) { - av_log(h->avctx, AV_LOG_ERROR, - "error while decoding MB %d %d\n", h->mb_x, h->mb_y); - er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x, - h->mb_y, ER_MB_ERROR); - return -1; - } - - if (++h->mb_x >= h->mb_width) { - loop_filter(h, lf_x_start, h->mb_x); - h->mb_x = lf_x_start = 0; - decode_finish_row(h); - ++h->mb_y; - if (FIELD_OR_MBAFF_PICTURE(h)) { - ++h->mb_y; - if (FRAME_MBAFF(h) && h->mb_y < h->mb_height) - predict_field_decoding_flag(h); - } - if (h->mb_y >= h->mb_height) { - tprintf(h->avctx, "slice end %d %d\n", - get_bits_count(&h->gb), h->gb.size_in_bits); - - if ( get_bits_left(&h->gb) == 0 - || get_bits_left(&h->gb) > 0 && !(h->avctx->err_recognition & AV_EF_AGGRESSIVE)) { - er_add_slice(h, h->resync_mb_x, h->resync_mb_y, - h->mb_x - 1, h->mb_y, - ER_MB_END); - - return 0; - } else { - er_add_slice(h, h->resync_mb_x, h->resync_mb_y, - h->mb_x, h->mb_y, - ER_MB_END); - - return -1; - } - } - } - - if (get_bits_left(&h->gb) <= 0 && h->mb_skip_run <= 0) { - tprintf(h->avctx, "slice end %d %d\n", - get_bits_count(&h->gb), h->gb.size_in_bits); - if (get_bits_left(&h->gb) == 0) { - er_add_slice(h, h->resync_mb_x, h->resync_mb_y, - h->mb_x - 1, h->mb_y, - ER_MB_END); - if (h->mb_x > lf_x_start) - loop_filter(h, lf_x_start, h->mb_x); - - return 0; - } else { - er_add_slice(h, h->resync_mb_x, h->resync_mb_y, h->mb_x, - h->mb_y, ER_MB_ERROR); - - return -1; - } - } - } - } -} - -/** - * Call decode_slice() for each context. - * - * @param h h264 master context - * @param context_count number of contexts to execute - */ -static int execute_decode_slices(H264Context *h, int context_count) -{ - AVCodecContext *const avctx = h->avctx; - H264Context *hx; - int i; - - if (h->avctx->hwaccel || - h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) - return 0; - if (context_count == 1) { - return decode_slice(avctx, &h); - } else { - av_assert0(context_count > 0); - for (i = 1; i < context_count; i++) { - hx = h->thread_context[i]; - if (CONFIG_ERROR_RESILIENCE) { - hx->er.error_count = 0; - } - hx->x264_build = h->x264_build; - } - - avctx->execute(avctx, decode_slice, h->thread_context, - NULL, context_count, sizeof(void *)); - - /* pull back stuff from slices to master context */ - hx = h->thread_context[context_count - 1]; - h->mb_x = hx->mb_x; - h->mb_y = hx->mb_y; - h->droppable = hx->droppable; - h->picture_structure = hx->picture_structure; - if (CONFIG_ERROR_RESILIENCE) { - for (i = 1; i < context_count; i++) - h->er.error_count += h->thread_context[i]->er.error_count; - } - } - - return 0; -} - -static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size, - int parse_extradata) -{ - AVCodecContext *const avctx = h->avctx; - H264Context *hx; ///< thread context - int buf_index; - int context_count; - int next_avc; - int pass = !(avctx->active_thread_type & FF_THREAD_FRAME); - int nals_needed = 0; ///< number of NALs that need decoding before the next frame thread starts - int nal_index; - int idr_cleared=0; - int first_slice = 0; - - h->nal_unit_type= 0; - - if(!h->slice_context_count) - h->slice_context_count= 1; - h->max_contexts = h->slice_context_count; - if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS)) { - h->current_slice = 0; - if (!h->first_field) - h->cur_pic_ptr = NULL; - ff_h264_reset_sei(h); - } - - if (h->nal_length_size == 4) { - if (buf_size > 8 && AV_RB32(buf) == 1 && AV_RB32(buf+5) > (unsigned)buf_size) { - h->is_avc = 0; - }else if(buf_size > 3 && AV_RB32(buf) > 1 && AV_RB32(buf) <= (unsigned)buf_size) - h->is_avc = 1; - } - - for (; pass <= 1; pass++) { - buf_index = 0; - context_count = 0; - next_avc = h->is_avc ? 0 : buf_size; - nal_index = 0; - for (;;) { - int consumed; - int dst_length; - int bit_length; - const uint8_t *ptr; - int i, nalsize = 0; - int err; - - if (buf_index >= next_avc) { - if (buf_index >= buf_size - h->nal_length_size) - break; - nalsize = 0; - for (i = 0; i < h->nal_length_size; i++) - nalsize = (nalsize << 8) | buf[buf_index++]; - if (nalsize <= 0 || nalsize > buf_size - buf_index) { - av_log(h->avctx, AV_LOG_ERROR, - "AVC: nal size %d\n", nalsize); - break; - } - next_avc = buf_index + nalsize; - } else { - // start code prefix search - for (; buf_index + 3 < next_avc; buf_index++) - // This should always succeed in the first iteration. - if (buf[buf_index] == 0 && - buf[buf_index + 1] == 0 && - buf[buf_index + 2] == 1) - break; - - if (buf_index + 3 >= buf_size) { - buf_index = buf_size; - break; - } - - buf_index += 3; - if (buf_index >= next_avc) - continue; - } - - hx = h->thread_context[context_count]; - - ptr = ff_h264_decode_nal(hx, buf + buf_index, &dst_length, - &consumed, next_avc - buf_index); - if (ptr == NULL || dst_length < 0) { - buf_index = -1; - goto end; - } - i = buf_index + consumed; - if ((h->workaround_bugs & FF_BUG_AUTODETECT) && i + 3 < next_avc && - buf[i] == 0x00 && buf[i + 1] == 0x00 && - buf[i + 2] == 0x01 && buf[i + 3] == 0xE0) - h->workaround_bugs |= FF_BUG_TRUNCATED; - - if (!(h->workaround_bugs & FF_BUG_TRUNCATED)) - while(dst_length > 0 && ptr[dst_length - 1] == 0) - dst_length--; - bit_length = !dst_length ? 0 - : (8 * dst_length - - decode_rbsp_trailing(h, ptr + dst_length - 1)); - - if (h->avctx->debug & FF_DEBUG_STARTCODE) - av_log(h->avctx, AV_LOG_DEBUG, "NAL %d/%d at %d/%d length %d pass %d\n", hx->nal_unit_type, hx->nal_ref_idc, buf_index, buf_size, dst_length, pass); - - if (h->is_avc && (nalsize != consumed) && nalsize) - av_log(h->avctx, AV_LOG_DEBUG, - "AVC: Consumed only %d bytes instead of %d\n", - consumed, nalsize); - - buf_index += consumed; - nal_index++; - - if (pass == 0) { - /* packets can sometimes contain multiple PPS/SPS, - * e.g. two PAFF field pictures in one packet, or a demuxer - * which splits NALs strangely if so, when frame threading we - * can't start the next thread until we've read all of them */ - switch (hx->nal_unit_type) { - case NAL_SPS: - case NAL_PPS: - nals_needed = nal_index; - break; - case NAL_DPA: - case NAL_IDR_SLICE: - case NAL_SLICE: - init_get_bits(&hx->gb, ptr, bit_length); - if (!get_ue_golomb(&hx->gb) || !first_slice) - nals_needed = nal_index; - if (!first_slice) - first_slice = hx->nal_unit_type; - } - continue; - } - - if (!first_slice) - switch (hx->nal_unit_type) { - case NAL_DPA: - case NAL_IDR_SLICE: - case NAL_SLICE: - first_slice = hx->nal_unit_type; - } - - // FIXME do not discard SEI id - if (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0) - continue; - -again: - /* Ignore per frame NAL unit type during extradata - * parsing. Decoding slices is not possible in codec init - * with frame-mt */ - if (parse_extradata) { - switch (hx->nal_unit_type) { - case NAL_IDR_SLICE: - case NAL_SLICE: - case NAL_DPA: - case NAL_DPB: - case NAL_DPC: - case NAL_AUXILIARY_SLICE: - av_log(h->avctx, AV_LOG_WARNING, "Ignoring NAL %d in global header/extradata\n", hx->nal_unit_type); - hx->nal_unit_type = NAL_FF_IGNORE; - } - } - - err = 0; - - switch (hx->nal_unit_type) { - case NAL_IDR_SLICE: - if (first_slice != NAL_IDR_SLICE) { - av_log(h->avctx, AV_LOG_ERROR, - "Invalid mix of idr and non-idr slices\n"); - buf_index = -1; - goto end; - } - if(!idr_cleared) - idr(h); // FIXME ensure we don't lose some frames if there is reordering - idr_cleared = 1; - case NAL_SLICE: - init_get_bits(&hx->gb, ptr, bit_length); - hx->intra_gb_ptr = - hx->inter_gb_ptr = &hx->gb; - hx->data_partitioning = 0; - - if ((err = decode_slice_header(hx, h))) - break; - - if (h->sei_recovery_frame_cnt >= 0 && (h->frame_num != h->sei_recovery_frame_cnt || hx->slice_type_nos != AV_PICTURE_TYPE_I)) - h->valid_recovery_point = 1; - - if ( h->sei_recovery_frame_cnt >= 0 - && ( h->recovery_frame<0 - || ((h->recovery_frame - h->frame_num) & ((1 << h->sps.log2_max_frame_num)-1)) > h->sei_recovery_frame_cnt)) { - h->recovery_frame = (h->frame_num + h->sei_recovery_frame_cnt) % - (1 << h->sps.log2_max_frame_num); - - if (!h->valid_recovery_point) - h->recovery_frame = h->frame_num; - } - - h->cur_pic_ptr->f.key_frame |= - (hx->nal_unit_type == NAL_IDR_SLICE); - - if (h->recovery_frame == h->frame_num) { - h->cur_pic_ptr->sync |= 1; - h->recovery_frame = -1; - } - - h->sync |= !!h->cur_pic_ptr->f.key_frame; - h->sync |= 3*!!(avctx->flags2 & CODEC_FLAG2_SHOW_ALL); - h->cur_pic_ptr->sync |= h->sync; - - if (h->current_slice == 1) { - if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS)) - decode_postinit(h, nal_index >= nals_needed); - - if (h->avctx->hwaccel && - h->avctx->hwaccel->start_frame(h->avctx, NULL, 0) < 0) - return -1; - if (CONFIG_H264_VDPAU_DECODER && - h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) - ff_vdpau_h264_picture_start(h); - } - - if (hx->redundant_pic_count == 0 && - (avctx->skip_frame < AVDISCARD_NONREF || - hx->nal_ref_idc) && - (avctx->skip_frame < AVDISCARD_BIDIR || - hx->slice_type_nos != AV_PICTURE_TYPE_B) && - (avctx->skip_frame < AVDISCARD_NONKEY || - hx->slice_type_nos == AV_PICTURE_TYPE_I) && - avctx->skip_frame < AVDISCARD_ALL) { - if (avctx->hwaccel) { - if (avctx->hwaccel->decode_slice(avctx, - &buf[buf_index - consumed], - consumed) < 0) - return -1; - } else if (CONFIG_H264_VDPAU_DECODER && - h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) { - static const uint8_t start_code[] = { - 0x00, 0x00, 0x01 }; - ff_vdpau_add_data_chunk(h->cur_pic_ptr->f.data[0], start_code, - sizeof(start_code)); - ff_vdpau_add_data_chunk(h->cur_pic_ptr->f.data[0], &buf[buf_index - consumed], - consumed); - } else - context_count++; - } - break; - case NAL_DPA: - init_get_bits(&hx->gb, ptr, bit_length); - hx->intra_gb_ptr = - hx->inter_gb_ptr = NULL; - - if ((err = decode_slice_header(hx, h)) < 0) - break; - - hx->data_partitioning = 1; - break; - case NAL_DPB: - init_get_bits(&hx->intra_gb, ptr, bit_length); - hx->intra_gb_ptr = &hx->intra_gb; - break; - case NAL_DPC: - init_get_bits(&hx->inter_gb, ptr, bit_length); - hx->inter_gb_ptr = &hx->inter_gb; - - av_log(h->avctx, AV_LOG_ERROR, "Partitioned H.264 support is incomplete\n"); - break; - - if (hx->redundant_pic_count == 0 && - hx->intra_gb_ptr && - hx->data_partitioning && - h->cur_pic_ptr && h->context_initialized && - (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc) && - (avctx->skip_frame < AVDISCARD_BIDIR || - hx->slice_type_nos != AV_PICTURE_TYPE_B) && - (avctx->skip_frame < AVDISCARD_NONKEY || - hx->slice_type_nos == AV_PICTURE_TYPE_I) && - avctx->skip_frame < AVDISCARD_ALL) - context_count++; - break; - case NAL_SEI: - init_get_bits(&h->gb, ptr, bit_length); - ff_h264_decode_sei(h); - break; - case NAL_SPS: - init_get_bits(&h->gb, ptr, bit_length); - if (ff_h264_decode_seq_parameter_set(h) < 0 && (h->is_avc ? (nalsize != consumed) && nalsize : 1)) { - av_log(h->avctx, AV_LOG_DEBUG, - "SPS decoding failure, trying again with the complete NAL\n"); - if (h->is_avc) - av_assert0(next_avc - buf_index + consumed == nalsize); - if ((next_avc - buf_index + consumed - 1) >= INT_MAX/8) - break; - init_get_bits(&h->gb, &buf[buf_index + 1 - consumed], - 8*(next_avc - buf_index + consumed - 1)); - ff_h264_decode_seq_parameter_set(h); - } - - break; - case NAL_PPS: - init_get_bits(&h->gb, ptr, bit_length); - ff_h264_decode_picture_parameter_set(h, bit_length); - break; - case NAL_AUD: - case NAL_END_SEQUENCE: - case NAL_END_STREAM: - case NAL_FILLER_DATA: - case NAL_SPS_EXT: - case NAL_AUXILIARY_SLICE: - break; - case NAL_FF_IGNORE: - break; - default: - av_log(avctx, AV_LOG_DEBUG, "Unknown NAL code: %d (%d bits)\n", - hx->nal_unit_type, bit_length); - } - - if (context_count == h->max_contexts) { - execute_decode_slices(h, context_count); - context_count = 0; - } - - if (err < 0) - av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n"); - else if (err == 1) { - /* Slice could not be decoded in parallel mode, copy down - * NAL unit stuff to context 0 and restart. Note that - * rbsp_buffer is not transferred, but since we no longer - * run in parallel mode this should not be an issue. */ - h->nal_unit_type = hx->nal_unit_type; - h->nal_ref_idc = hx->nal_ref_idc; - hx = h; - goto again; - } - } - } - if (context_count) - execute_decode_slices(h, context_count); - -end: - /* clean up */ - if (h->cur_pic_ptr && !h->droppable) { - ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, - h->picture_structure == PICT_BOTTOM_FIELD); - } - - return buf_index; -} - -/** - * Return the number of bytes consumed for building the current frame. - */ -static int get_consumed_bytes(int pos, int buf_size) -{ - if (pos == 0) - pos = 1; // avoid infinite loops (i doubt that is needed but ...) - if (pos + 10 > buf_size) - pos = buf_size; // oops ;) - - return pos; -} - -static int decode_frame(AVCodecContext *avctx, void *data, - int *got_frame, AVPacket *avpkt) -{ - const uint8_t *buf = avpkt->data; - int buf_size = avpkt->size; - H264Context *h = avctx->priv_data; - AVFrame *pict = data; - int buf_index = 0; - Picture *out; - int i, out_idx; - int ret; - - h->flags = avctx->flags; - - /* end of stream, output what is still in the buffers */ - if (buf_size == 0) { - out: - - h->cur_pic_ptr = NULL; - h->first_field = 0; - - // FIXME factorize this with the output code below - out = h->delayed_pic[0]; - out_idx = 0; - for (i = 1; - h->delayed_pic[i] && - !h->delayed_pic[i]->f.key_frame && - !h->delayed_pic[i]->mmco_reset; - i++) - if (h->delayed_pic[i]->poc < out->poc) { - out = h->delayed_pic[i]; - out_idx = i; - } - - for (i = out_idx; h->delayed_pic[i]; i++) - h->delayed_pic[i] = h->delayed_pic[i + 1]; - - if (out) { - out->reference &= ~DELAYED_PIC_REF; - if ((ret = av_frame_ref(pict, &out->f)) < 0) - return ret; - *got_frame = 1; - } - - return buf_index; - } - if(h->is_avc && buf_size >= 9 && buf[0]==1 && buf[2]==0 && (buf[4]&0xFC)==0xFC && (buf[5]&0x1F) && buf[8]==0x67){ - int cnt= buf[5]&0x1f; - const uint8_t *p= buf+6; - while(cnt--){ - int nalsize= AV_RB16(p) + 2; - if(nalsize > buf_size - (p-buf) || p[2]!=0x67) - goto not_extra; - p += nalsize; - } - cnt = *(p++); - if(!cnt) - goto not_extra; - while(cnt--){ - int nalsize= AV_RB16(p) + 2; - if(nalsize > buf_size - (p-buf) || p[2]!=0x68) - goto not_extra; - p += nalsize; - } - - return ff_h264_decode_extradata(h, buf, buf_size); - } -not_extra: - - buf_index = decode_nal_units(h, buf, buf_size, 0); - if (buf_index < 0) - return -1; - - if (!h->cur_pic_ptr && h->nal_unit_type == NAL_END_SEQUENCE) { - av_assert0(buf_index <= buf_size); - goto out; - } - - if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS) && !h->cur_pic_ptr) { - if (avctx->skip_frame >= AVDISCARD_NONREF || - buf_size >= 4 && !memcmp("Q264", buf, 4)) - return buf_size; - av_log(avctx, AV_LOG_ERROR, "no frame!\n"); - return -1; - } - - if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS) || - (h->mb_y >= h->mb_height && h->mb_height)) { - if (avctx->flags2 & CODEC_FLAG2_CHUNKS) - decode_postinit(h, 1); - - field_end(h, 0); - - /* Wait for second field. */ - *got_frame = 0; - if (h->next_output_pic && (h->next_output_pic->sync || h->sync>1)) { - if ((ret = av_frame_ref(pict, &h->next_output_pic->f)) < 0) - return ret; - *got_frame = 1; - if (CONFIG_MPEGVIDEO) { - ff_print_debug_info2(h->avctx, h->next_output_pic, pict, h->er.mbskip_table, - &h->low_delay, - h->mb_width, h->mb_height, h->mb_stride, 1); - } - } - } - - assert(pict->data[0] || !*got_frame); - - return get_consumed_bytes(buf_index, buf_size); -} - -av_cold void ff_h264_free_context(H264Context *h) -{ - int i; - - free_tables(h, 1); // FIXME cleanup init stuff perhaps - - for (i = 0; i < MAX_SPS_COUNT; i++) - av_freep(h->sps_buffers + i); - - for (i = 0; i < MAX_PPS_COUNT; i++) - av_freep(h->pps_buffers + i); -} - -static av_cold int h264_decode_end(AVCodecContext *avctx) -{ - H264Context *h = avctx->priv_data; - int i; - - ff_h264_remove_all_refs(h); - ff_h264_free_context(h); - - if (h->DPB) { - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - unref_picture(h, &h->DPB[i]); - } - } - av_freep(&h->DPB); - - unref_picture(h, &h->cur_pic); - - return 0; -} - -static const AVProfile profiles[] = { - { FF_PROFILE_H264_BASELINE, "Baseline" }, - { FF_PROFILE_H264_CONSTRAINED_BASELINE, "Constrained Baseline" }, - { FF_PROFILE_H264_MAIN, "Main" }, - { FF_PROFILE_H264_EXTENDED, "Extended" }, - { FF_PROFILE_H264_HIGH, "High" }, - { FF_PROFILE_H264_HIGH_10, "High 10" }, - { FF_PROFILE_H264_HIGH_10_INTRA, "High 10 Intra" }, - { FF_PROFILE_H264_HIGH_422, "High 4:2:2" }, - { FF_PROFILE_H264_HIGH_422_INTRA, "High 4:2:2 Intra" }, - { FF_PROFILE_H264_HIGH_444, "High 4:4:4" }, - { FF_PROFILE_H264_HIGH_444_PREDICTIVE, "High 4:4:4 Predictive" }, - { FF_PROFILE_H264_HIGH_444_INTRA, "High 4:4:4 Intra" }, - { FF_PROFILE_H264_CAVLC_444, "CAVLC 4:4:4" }, - { FF_PROFILE_UNKNOWN }, -}; - -static const AVOption h264_options[] = { - {"is_avc", "is avc", offsetof(H264Context, is_avc), FF_OPT_TYPE_INT, {.i64 = 0}, 0, 1, 0}, - {"nal_length_size", "nal_length_size", offsetof(H264Context, nal_length_size), FF_OPT_TYPE_INT, {.i64 = 0}, 0, 4, 0}, - {NULL} -}; - -static const AVClass h264_class = { - .class_name = "H264 Decoder", - .item_name = av_default_item_name, - .option = h264_options, - .version = LIBAVUTIL_VERSION_INT, -}; - -static const AVClass h264_vdpau_class = { - .class_name = "H264 VDPAU Decoder", - .item_name = av_default_item_name, - .option = h264_options, - .version = LIBAVUTIL_VERSION_INT, -}; - -AVCodec ff_h264_decoder = { - .name = "h264", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_H264, - .priv_data_size = sizeof(H264Context), - .init = ff_h264_decode_init, - .close = h264_decode_end, - .decode = decode_frame, - .capabilities = /*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | - CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS | - CODEC_CAP_FRAME_THREADS, - .flush = flush_dpb, - .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"), - .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy), - .update_thread_context = ONLY_IF_THREADS_ENABLED(decode_update_thread_context), - .profiles = NULL_IF_CONFIG_SMALL(profiles), - .priv_class = &h264_class, -}; - -#if CONFIG_H264_VDPAU_DECODER -AVCodec ff_h264_vdpau_decoder = { - .name = "h264_vdpau", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_H264, - .priv_data_size = sizeof(H264Context), - .init = ff_h264_decode_init, - .close = h264_decode_end, - .decode = decode_frame, - .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU, - .flush = flush_dpb, - .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)"), - .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_VDPAU_H264, - AV_PIX_FMT_NONE}, - .profiles = NULL_IF_CONFIG_SMALL(profiles), - .priv_class = &h264_vdpau_class, -}; -#endif |