diff options
Diffstat (limited to 'ffmpeg1/libavcodec/mpegvideo.c')
| -rw-r--r-- | ffmpeg1/libavcodec/mpegvideo.c | 3365 |
1 files changed, 0 insertions, 3365 deletions
diff --git a/ffmpeg1/libavcodec/mpegvideo.c b/ffmpeg1/libavcodec/mpegvideo.c deleted file mode 100644 index 46f829c..0000000 --- a/ffmpeg1/libavcodec/mpegvideo.c +++ /dev/null @@ -1,3365 +0,0 @@ -/* - * The simplest mpeg encoder (well, it was the simplest!) - * Copyright (c) 2000,2001 Fabrice Bellard - * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> - * - * 4MV & hq & B-frame encoding stuff by 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 - * The simplest mpeg encoder (well, it was the simplest!). - */ - -#include "libavutil/avassert.h" -#include "libavutil/imgutils.h" -#include "avcodec.h" -#include "dsputil.h" -#include "h264chroma.h" -#include "internal.h" -#include "mathops.h" -#include "mpegvideo.h" -#include "mjpegenc.h" -#include "msmpeg4.h" -#include "xvmc_internal.h" -#include "thread.h" -#include <limits.h> - -//#undef NDEBUG -//#include <assert.h> - -static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, - int16_t *block, int n, int qscale); -static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, - int16_t *block, int n, int qscale); -static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, - int16_t *block, int n, int qscale); -static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s, - int16_t *block, int n, int qscale); -static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s, - int16_t *block, int n, int qscale); -static void dct_unquantize_h263_intra_c(MpegEncContext *s, - int16_t *block, int n, int qscale); -static void dct_unquantize_h263_inter_c(MpegEncContext *s, - int16_t *block, int n, int qscale); - - -//#define DEBUG - - -static const uint8_t ff_default_chroma_qscale_table[32] = { -// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, - 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 -}; - -const uint8_t ff_mpeg1_dc_scale_table[128] = { -// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, -}; - -static const uint8_t mpeg2_dc_scale_table1[128] = { -// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, -}; - -static const uint8_t mpeg2_dc_scale_table2[128] = { -// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, - 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, -}; - -static const uint8_t mpeg2_dc_scale_table3[128] = { -// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -}; - -const uint8_t *const ff_mpeg2_dc_scale_table[4] = { - ff_mpeg1_dc_scale_table, - mpeg2_dc_scale_table1, - mpeg2_dc_scale_table2, - mpeg2_dc_scale_table3, -}; - -const enum AVPixelFormat ff_pixfmt_list_420[] = { - AV_PIX_FMT_YUV420P, - AV_PIX_FMT_NONE -}; - -static void mpeg_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) -{ - MpegEncContext *s = opaque; - - s->mv_dir = mv_dir; - s->mv_type = mv_type; - s->mb_intra = mb_intra; - s->mb_skipped = mb_skipped; - s->mb_x = mb_x; - s->mb_y = mb_y; - memcpy(s->mv, mv, sizeof(*mv)); - - ff_init_block_index(s); - ff_update_block_index(s); - - s->dsp.clear_blocks(s->block[0]); - - s->dest[0] = s->current_picture.f.data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16; - s->dest[1] = s->current_picture.f.data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift); - s->dest[2] = s->current_picture.f.data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift); - - assert(ref == 0); - ff_MPV_decode_mb(s, s->block); -} - -const uint8_t *avpriv_mpv_find_start_code(const uint8_t *av_restrict p, - const uint8_t *end, - uint32_t *av_restrict state) -{ - int i; - - assert(p <= end); - if (p >= end) - return end; - - for (i = 0; i < 3; i++) { - uint32_t tmp = *state << 8; - *state = tmp + *(p++); - if (tmp == 0x100 || p == end) - return p; - } - - while (p < end) { - if (p[-1] > 1 ) p += 3; - else if (p[-2] ) p += 2; - else if (p[-3]|(p[-1]-1)) p++; - else { - p++; - break; - } - } - - p = FFMIN(p, end) - 4; - *state = AV_RB32(p); - - return p + 4; -} - -/* init common dct for both encoder and decoder */ -av_cold int ff_dct_common_init(MpegEncContext *s) -{ - ff_dsputil_init(&s->dsp, s->avctx); - ff_h264chroma_init(&s->h264chroma, 8); //for lowres - ff_hpeldsp_init(&s->hdsp, s->avctx->flags); - ff_videodsp_init(&s->vdsp, s->avctx->bits_per_raw_sample); - - s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c; - s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c; - s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c; - s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c; - s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c; - if (s->flags & CODEC_FLAG_BITEXACT) - s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact; - s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c; - -#if ARCH_X86 - ff_MPV_common_init_x86(s); -#elif ARCH_ALPHA - ff_MPV_common_init_axp(s); -#elif ARCH_ARM - ff_MPV_common_init_arm(s); -#elif HAVE_ALTIVEC - ff_MPV_common_init_altivec(s); -#elif ARCH_BFIN - ff_MPV_common_init_bfin(s); -#endif - - /* load & permutate scantables - * note: only wmv uses different ones - */ - if (s->alternate_scan) { - ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan); - ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan); - } else { - ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct); - ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct); - } - ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan); - ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan); - - return 0; -} - -int ff_mpv_frame_size_alloc(MpegEncContext *s, int linesize) -{ - int alloc_size = FFALIGN(FFABS(linesize) + 64, 32); - - // edge emu needs blocksize + filter length - 1 - // (= 17x17 for halfpel / 21x21 for h264) - // VC1 computes luma and chroma simultaneously and needs 19X19 + 9x9 - // at uvlinesize. It supports only YUV420 so 24x24 is enough - // linesize * interlaced * MBsize - FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, alloc_size * 4 * 24, - fail); - - FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, alloc_size * 4 * 16 * 2, - fail) - s->me.temp = s->me.scratchpad; - s->rd_scratchpad = s->me.scratchpad; - s->b_scratchpad = s->me.scratchpad; - s->obmc_scratchpad = s->me.scratchpad + 16; - - return 0; -fail: - av_freep(&s->edge_emu_buffer); - return AVERROR(ENOMEM); -} - -/** - * Allocate a frame buffer - */ -static int alloc_frame_buffer(MpegEncContext *s, Picture *pic) -{ - int r, ret; - - pic->tf.f = &pic->f; - if (s->codec_id != AV_CODEC_ID_WMV3IMAGE && - s->codec_id != AV_CODEC_ID_VC1IMAGE && - s->codec_id != AV_CODEC_ID_MSS2) - r = ff_thread_get_buffer(s->avctx, &pic->tf, - pic->reference ? AV_GET_BUFFER_FLAG_REF : 0); - else { - pic->f.width = s->avctx->width; - pic->f.height = s->avctx->height; - pic->f.format = s->avctx->pix_fmt; - r = avcodec_default_get_buffer2(s->avctx, &pic->f, 0); - } - - if (r < 0 || !pic->f.data[0]) { - av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %p)\n", - r, pic->f.data[0]); - return -1; - } - - if (s->avctx->hwaccel) { - assert(!pic->hwaccel_picture_private); - if (s->avctx->hwaccel->priv_data_size) { - pic->hwaccel_priv_buf = av_buffer_allocz(s->avctx->hwaccel->priv_data_size); - if (!pic->hwaccel_priv_buf) { - av_log(s->avctx, AV_LOG_ERROR, "alloc_frame_buffer() failed (hwaccel private data allocation)\n"); - return -1; - } - pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data; - } - } - - if (s->linesize && (s->linesize != pic->f.linesize[0] || - s->uvlinesize != pic->f.linesize[1])) { - av_log(s->avctx, AV_LOG_ERROR, - "get_buffer() failed (stride changed)\n"); - ff_mpeg_unref_picture(s, pic); - return -1; - } - - if (pic->f.linesize[1] != pic->f.linesize[2]) { - av_log(s->avctx, AV_LOG_ERROR, - "get_buffer() failed (uv stride mismatch)\n"); - ff_mpeg_unref_picture(s, pic); - return -1; - } - - if (!s->edge_emu_buffer && - (ret = ff_mpv_frame_size_alloc(s, pic->f.linesize[0])) < 0) { - av_log(s->avctx, AV_LOG_ERROR, - "get_buffer() failed to allocate context scratch buffers.\n"); - ff_mpeg_unref_picture(s, pic); - return ret; - } - - return 0; -} - -static void free_picture_tables(Picture *pic) -{ - int i; - - av_buffer_unref(&pic->mb_var_buf); - av_buffer_unref(&pic->mc_mb_var_buf); - av_buffer_unref(&pic->mb_mean_buf); - av_buffer_unref(&pic->mbskip_table_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]); - } -} - -static int alloc_picture_tables(MpegEncContext *s, Picture *pic) -{ - const int big_mb_num = s->mb_stride * (s->mb_height + 1) + 1; - const int mb_array_size = s->mb_stride * s->mb_height; - const int b8_array_size = s->b8_stride * s->mb_height * 2; - int i; - - - pic->mbskip_table_buf = av_buffer_allocz(mb_array_size + 2); - pic->qscale_table_buf = av_buffer_allocz(big_mb_num + s->mb_stride); - pic->mb_type_buf = av_buffer_allocz((big_mb_num + s->mb_stride) * - sizeof(uint32_t)); - if (!pic->mbskip_table_buf || !pic->qscale_table_buf || !pic->mb_type_buf) - return AVERROR(ENOMEM); - - if (s->encoding) { - pic->mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t)); - pic->mc_mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t)); - pic->mb_mean_buf = av_buffer_allocz(mb_array_size); - if (!pic->mb_var_buf || !pic->mc_mb_var_buf || !pic->mb_mean_buf) - return AVERROR(ENOMEM); - } - - if (s->out_format == FMT_H263 || s->encoding || - (s->avctx->debug & FF_DEBUG_MV) || s->avctx->debug_mv) { - int mv_size = 2 * (b8_array_size + 4) * sizeof(int16_t); - int ref_index_size = 4 * mb_array_size; - - for (i = 0; mv_size && i < 2; i++) { - pic->motion_val_buf[i] = av_buffer_allocz(mv_size); - pic->ref_index_buf[i] = av_buffer_allocz(ref_index_size); - if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i]) - return AVERROR(ENOMEM); - } - } - - return 0; -} - -static int make_tables_writable(Picture *pic) -{ - int ret, i; -#define MAKE_WRITABLE(table) \ -do {\ - if (pic->table &&\ - (ret = av_buffer_make_writable(&pic->table)) < 0)\ - return ret;\ -} while (0) - - MAKE_WRITABLE(mb_var_buf); - MAKE_WRITABLE(mc_mb_var_buf); - MAKE_WRITABLE(mb_mean_buf); - MAKE_WRITABLE(mbskip_table_buf); - MAKE_WRITABLE(qscale_table_buf); - MAKE_WRITABLE(mb_type_buf); - - for (i = 0; i < 2; i++) { - MAKE_WRITABLE(motion_val_buf[i]); - MAKE_WRITABLE(ref_index_buf[i]); - } - - return 0; -} - -/** - * Allocate a Picture. - * The pixels are allocated/set by calling get_buffer() if shared = 0 - */ -int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared) -{ - int i, ret; - - if (pic->qscale_table_buf) - if (pic->mbskip_table_buf->size < s->mb_stride * s->mb_height + 2 || - pic->qscale_table_buf->size < s->mb_stride * (s->mb_height + 1) + 1 + s->mb_stride) - free_picture_tables(pic); - - if (shared) { - assert(pic->f.data[0]); - pic->shared = 1; - } else { - assert(!pic->f.data[0]); - - if (alloc_frame_buffer(s, pic) < 0) - return -1; - - s->linesize = pic->f.linesize[0]; - s->uvlinesize = pic->f.linesize[1]; - } - - if (!pic->qscale_table_buf) - ret = alloc_picture_tables(s, pic); - else - ret = make_tables_writable(pic); - if (ret < 0) - goto fail; - - if (s->encoding) { - pic->mb_var = (uint16_t*)pic->mb_var_buf->data; - pic->mc_mb_var = (uint16_t*)pic->mc_mb_var_buf->data; - pic->mb_mean = pic->mb_mean_buf->data; - } - - pic->mbskip_table = pic->mbskip_table_buf->data; - pic->qscale_table = pic->qscale_table_buf->data + 2 * s->mb_stride + 1; - pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * s->mb_stride + 1; - - if (pic->motion_val_buf[0]) { - for (i = 0; i < 2; i++) { - 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: - av_log(s->avctx, AV_LOG_ERROR, "Error allocating a picture.\n"); - ff_mpeg_unref_picture(s, pic); - free_picture_tables(pic); - return AVERROR(ENOMEM); -} - -/** - * Deallocate a picture. - */ -void ff_mpeg_unref_picture(MpegEncContext *s, Picture *pic) -{ - int off = offsetof(Picture, mb_mean) + sizeof(pic->mb_mean); - pic->period_since_free = 0; - - pic->tf.f = &pic->f; - /* WM Image / Screen codecs allocate internal buffers with different - * dimensions / colorspaces; ignore user-defined callbacks for these. */ - if (s->codec_id != AV_CODEC_ID_WMV3IMAGE && - s->codec_id != AV_CODEC_ID_VC1IMAGE && - s->codec_id != AV_CODEC_ID_MSS2) - ff_thread_release_buffer(s->avctx, &pic->tf); - else - av_frame_unref(&pic->f); - - av_buffer_unref(&pic->hwaccel_priv_buf); - - memset((uint8_t*)pic + off, 0, sizeof(*pic) - off); -} - -static int update_picture_tables(Picture *dst, Picture *src) -{ - int i; - -#define UPDATE_TABLE(table)\ -do {\ - if (src->table &&\ - (!dst->table || dst->table->buffer != src->table->buffer)) {\ - av_buffer_unref(&dst->table);\ - dst->table = av_buffer_ref(src->table);\ - if (!dst->table) {\ - free_picture_tables(dst);\ - return AVERROR(ENOMEM);\ - }\ - }\ -} while (0) - - UPDATE_TABLE(mb_var_buf); - UPDATE_TABLE(mc_mb_var_buf); - UPDATE_TABLE(mb_mean_buf); - UPDATE_TABLE(mbskip_table_buf); - UPDATE_TABLE(qscale_table_buf); - UPDATE_TABLE(mb_type_buf); - for (i = 0; i < 2; i++) { - UPDATE_TABLE(motion_val_buf[i]); - UPDATE_TABLE(ref_index_buf[i]); - } - - dst->mb_var = src->mb_var; - dst->mc_mb_var = src->mc_mb_var; - dst->mb_mean = src->mb_mean; - dst->mbskip_table = src->mbskip_table; - dst->qscale_table = src->qscale_table; - dst->mb_type = src->mb_type; - for (i = 0; i < 2; i++) { - dst->motion_val[i] = src->motion_val[i]; - dst->ref_index[i] = src->ref_index[i]; - } - - return 0; -} - -int ff_mpeg_ref_picture(MpegEncContext *s, Picture *dst, Picture *src) -{ - int ret; - - 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; - - ret = update_picture_tables(dst, src); - if (ret < 0) - goto fail; - - 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; - } - - dst->field_picture = src->field_picture; - dst->mb_var_sum = src->mb_var_sum; - dst->mc_mb_var_sum = src->mc_mb_var_sum; - dst->b_frame_score = src->b_frame_score; - dst->needs_realloc = src->needs_realloc; - dst->reference = src->reference; - dst->shared = src->shared; - - return 0; -fail: - ff_mpeg_unref_picture(s, dst); - return ret; -} - -static int init_duplicate_context(MpegEncContext *s) -{ - int y_size = s->b8_stride * (2 * s->mb_height + 1); - int c_size = s->mb_stride * (s->mb_height + 1); - int yc_size = y_size + 2 * c_size; - int i; - - s->edge_emu_buffer = - s->me.scratchpad = - s->me.temp = - s->rd_scratchpad = - s->b_scratchpad = - s->obmc_scratchpad = NULL; - - if (s->encoding) { - FF_ALLOCZ_OR_GOTO(s->avctx, s->me.map, - ME_MAP_SIZE * sizeof(uint32_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->me.score_map, - ME_MAP_SIZE * sizeof(uint32_t), fail) - if (s->avctx->noise_reduction) { - FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_error_sum, - 2 * 64 * sizeof(int), fail) - } - } - FF_ALLOCZ_OR_GOTO(s->avctx, s->blocks, 64 * 12 * 2 * sizeof(int16_t), fail) - s->block = s->blocks[0]; - - for (i = 0; i < 12; i++) { - s->pblocks[i] = &s->block[i]; - } - - if (s->out_format == FMT_H263) { - /* ac values */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_val_base, - yc_size * sizeof(int16_t) * 16, fail); - s->ac_val[0] = s->ac_val_base + s->b8_stride + 1; - s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1; - s->ac_val[2] = s->ac_val[1] + c_size; - } - - return 0; -fail: - return -1; // free() through ff_MPV_common_end() -} - -static void free_duplicate_context(MpegEncContext *s) -{ - if (s == NULL) - return; - - av_freep(&s->edge_emu_buffer); - av_freep(&s->me.scratchpad); - s->me.temp = - s->rd_scratchpad = - s->b_scratchpad = - s->obmc_scratchpad = NULL; - - av_freep(&s->dct_error_sum); - av_freep(&s->me.map); - av_freep(&s->me.score_map); - av_freep(&s->blocks); - av_freep(&s->ac_val_base); - s->block = NULL; -} - -static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src) -{ -#define COPY(a) bak->a = src->a - COPY(edge_emu_buffer); - COPY(me.scratchpad); - COPY(me.temp); - COPY(rd_scratchpad); - COPY(b_scratchpad); - COPY(obmc_scratchpad); - COPY(me.map); - COPY(me.score_map); - COPY(blocks); - COPY(block); - COPY(start_mb_y); - COPY(end_mb_y); - COPY(me.map_generation); - COPY(pb); - COPY(dct_error_sum); - COPY(dct_count[0]); - COPY(dct_count[1]); - COPY(ac_val_base); - COPY(ac_val[0]); - COPY(ac_val[1]); - COPY(ac_val[2]); -#undef COPY -} - -int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src) -{ - MpegEncContext bak; - int i, ret; - // FIXME copy only needed parts - // START_TIMER - backup_duplicate_context(&bak, dst); - memcpy(dst, src, sizeof(MpegEncContext)); - backup_duplicate_context(dst, &bak); - for (i = 0; i < 12; i++) { - dst->pblocks[i] = &dst->block[i]; - } - if (!dst->edge_emu_buffer && - (ret = ff_mpv_frame_size_alloc(dst, dst->linesize)) < 0) { - av_log(dst->avctx, AV_LOG_ERROR, "failed to allocate context " - "scratch buffers.\n"); - return ret; - } - // STOP_TIMER("update_duplicate_context") - // about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads - return 0; -} - -int ff_mpeg_update_thread_context(AVCodecContext *dst, - const AVCodecContext *src) -{ - int i, ret; - MpegEncContext *s = dst->priv_data, *s1 = src->priv_data; - - if (dst == src) - return 0; - - av_assert0(s != s1); - - // FIXME can parameters change on I-frames? - // in that case dst may need a reinit - if (!s->context_initialized) { - memcpy(s, s1, sizeof(MpegEncContext)); - - s->avctx = dst; - s->bitstream_buffer = NULL; - s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0; - - if (s1->context_initialized){ -// s->picture_range_start += MAX_PICTURE_COUNT; -// s->picture_range_end += MAX_PICTURE_COUNT; - if((ret = ff_MPV_common_init(s)) < 0){ - memset(s, 0, sizeof(MpegEncContext)); - s->avctx = dst; - return ret; - } - } - } - - if (s->height != s1->height || s->width != s1->width || s->context_reinit) { - s->context_reinit = 0; - s->height = s1->height; - s->width = s1->width; - if ((ret = ff_MPV_common_frame_size_change(s)) < 0) - return ret; - } - - s->avctx->coded_height = s1->avctx->coded_height; - s->avctx->coded_width = s1->avctx->coded_width; - s->avctx->width = s1->avctx->width; - s->avctx->height = s1->avctx->height; - - s->coded_picture_number = s1->coded_picture_number; - s->picture_number = s1->picture_number; - s->input_picture_number = s1->input_picture_number; - - av_assert0(!s->picture || s->picture != s1->picture); - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - ff_mpeg_unref_picture(s, &s->picture[i]); - if (s1->picture[i].f.data[0] && - (ret = ff_mpeg_ref_picture(s, &s->picture[i], &s1->picture[i])) < 0) - return ret; - s->picture[i].period_since_free ++; - } - -#define UPDATE_PICTURE(pic)\ -do {\ - ff_mpeg_unref_picture(s, &s->pic);\ - if (s1->pic.f.data[0])\ - ret = ff_mpeg_ref_picture(s, &s->pic, &s1->pic);\ - else\ - ret = update_picture_tables(&s->pic, &s1->pic);\ - if (ret < 0)\ - return ret;\ -} while (0) - - UPDATE_PICTURE(current_picture); - UPDATE_PICTURE(last_picture); - UPDATE_PICTURE(next_picture); - - s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1); - s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1); - s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1); - - // Error/bug resilience - s->next_p_frame_damaged = s1->next_p_frame_damaged; - s->workaround_bugs = s1->workaround_bugs; - s->padding_bug_score = s1->padding_bug_score; - - // MPEG4 timing info - memcpy(&s->time_increment_bits, &s1->time_increment_bits, - (char *) &s1->shape - (char *) &s1->time_increment_bits); - - // B-frame info - s->max_b_frames = s1->max_b_frames; - s->low_delay = s1->low_delay; - s->droppable = s1->droppable; - - // DivX handling (doesn't work) - s->divx_packed = s1->divx_packed; - - if (s1->bitstream_buffer) { - if (s1->bitstream_buffer_size + - FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) - av_fast_malloc(&s->bitstream_buffer, - &s->allocated_bitstream_buffer_size, - s1->allocated_bitstream_buffer_size); - s->bitstream_buffer_size = s1->bitstream_buffer_size; - memcpy(s->bitstream_buffer, s1->bitstream_buffer, - s1->bitstream_buffer_size); - memset(s->bitstream_buffer + s->bitstream_buffer_size, 0, - FF_INPUT_BUFFER_PADDING_SIZE); - } - - // linesize dependend scratch buffer allocation - if (!s->edge_emu_buffer) - if (s1->linesize) { - if (ff_mpv_frame_size_alloc(s, s1->linesize) < 0) { - av_log(s->avctx, AV_LOG_ERROR, "Failed to allocate context " - "scratch buffers.\n"); - return AVERROR(ENOMEM); - } - } else { - av_log(s->avctx, AV_LOG_ERROR, "Context scratch buffers could not " - "be allocated due to unknown size.\n"); - } - - // MPEG2/interlacing info - memcpy(&s->progressive_sequence, &s1->progressive_sequence, - (char *) &s1->rtp_mode - (char *) &s1->progressive_sequence); - - if (!s1->first_field) { - s->last_pict_type = s1->pict_type; - if (s1->current_picture_ptr) - s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f.quality; - - if (s1->pict_type != AV_PICTURE_TYPE_B) { - s->last_non_b_pict_type = s1->pict_type; - } - } - - return 0; -} - -/** - * Set the given MpegEncContext to common defaults - * (same for encoding and decoding). - * The changed fields will not depend upon the - * prior state of the MpegEncContext. - */ -void ff_MPV_common_defaults(MpegEncContext *s) -{ - s->y_dc_scale_table = - s->c_dc_scale_table = ff_mpeg1_dc_scale_table; - s->chroma_qscale_table = ff_default_chroma_qscale_table; - s->progressive_frame = 1; - s->progressive_sequence = 1; - s->picture_structure = PICT_FRAME; - - s->coded_picture_number = 0; - s->picture_number = 0; - s->input_picture_number = 0; - - s->picture_in_gop_number = 0; - - s->f_code = 1; - s->b_code = 1; - - s->slice_context_count = 1; -} - -/** - * Set the given MpegEncContext to defaults for decoding. - * the changed fields will not depend upon - * the prior state of the MpegEncContext. - */ -void ff_MPV_decode_defaults(MpegEncContext *s) -{ - ff_MPV_common_defaults(s); -} - -static int init_er(MpegEncContext *s) -{ - ERContext *er = &s->er; - int mb_array_size = s->mb_height * s->mb_stride; - int i; - - er->avctx = s->avctx; - er->dsp = &s->dsp; - - er->mb_index2xy = s->mb_index2xy; - er->mb_num = s->mb_num; - er->mb_width = s->mb_width; - er->mb_height = s->mb_height; - er->mb_stride = s->mb_stride; - er->b8_stride = s->b8_stride; - - er->er_temp_buffer = av_malloc(s->mb_height * s->mb_stride); - er->error_status_table = av_mallocz(mb_array_size); - if (!er->er_temp_buffer || !er->error_status_table) - goto fail; - - er->mbskip_table = s->mbskip_table; - er->mbintra_table = s->mbintra_table; - - for (i = 0; i < FF_ARRAY_ELEMS(s->dc_val); i++) - er->dc_val[i] = s->dc_val[i]; - - er->decode_mb = mpeg_er_decode_mb; - er->opaque = s; - - return 0; -fail: - av_freep(&er->er_temp_buffer); - av_freep(&er->error_status_table); - return AVERROR(ENOMEM); -} - -/** - * Initialize and allocates MpegEncContext fields dependent on the resolution. - */ -static int init_context_frame(MpegEncContext *s) -{ - int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y; - - s->mb_width = (s->width + 15) / 16; - s->mb_stride = s->mb_width + 1; - s->b8_stride = s->mb_width * 2 + 1; - s->b4_stride = s->mb_width * 4 + 1; - mb_array_size = s->mb_height * s->mb_stride; - mv_table_size = (s->mb_height + 2) * s->mb_stride + 1; - - /* set default edge pos, will be overriden - * in decode_header if needed */ - s->h_edge_pos = s->mb_width * 16; - s->v_edge_pos = s->mb_height * 16; - - s->mb_num = s->mb_width * s->mb_height; - - s->block_wrap[0] = - s->block_wrap[1] = - s->block_wrap[2] = - s->block_wrap[3] = s->b8_stride; - s->block_wrap[4] = - s->block_wrap[5] = s->mb_stride; - - y_size = s->b8_stride * (2 * s->mb_height + 1); - c_size = s->mb_stride * (s->mb_height + 1); - yc_size = y_size + 2 * c_size; - - FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int), fail); // error ressilience code looks cleaner with this - for (y = 0; y < s->mb_height; y++) - for (x = 0; x < s->mb_width; x++) - s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride; - - s->mb_index2xy[s->mb_height * s->mb_width] = (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed? - - if (s->encoding) { - /* Allocate MV tables */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail) - s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1; - s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1; - s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1; - s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base + s->mb_stride + 1; - s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base + s->mb_stride + 1; - s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1; - - /* Allocate MB type table */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size * sizeof(uint16_t), fail) // needed for encoding - - FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail) - - FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab, - mb_array_size * sizeof(float), fail); - FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab, - mb_array_size * sizeof(float), fail); - - } - - if (s->codec_id == AV_CODEC_ID_MPEG4 || - (s->flags & CODEC_FLAG_INTERLACED_ME)) { - /* interlaced direct mode decoding tables */ - for (i = 0; i < 2; i++) { - int j, k; - for (j = 0; j < 2; j++) { - for (k = 0; k < 2; k++) { - FF_ALLOCZ_OR_GOTO(s->avctx, - s->b_field_mv_table_base[i][j][k], - mv_table_size * 2 * sizeof(int16_t), - fail); - s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] + - s->mb_stride + 1; - } - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j], mb_array_size * 2 * sizeof(uint8_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j], mv_table_size * 2 * sizeof(int16_t), fail) - s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1; - } - FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i], mb_array_size * 2 * sizeof(uint8_t), fail) - } - } - if (s->out_format == FMT_H263) { - /* cbp values */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail); - s->coded_block = s->coded_block_base + s->b8_stride + 1; - - /* cbp, ac_pred, pred_dir */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail); - FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail); - } - - if (s->h263_pred || s->h263_plus || !s->encoding) { - /* dc values */ - // MN: we need these for error resilience of intra-frames - FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail); - s->dc_val[0] = s->dc_val_base + s->b8_stride + 1; - s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1; - s->dc_val[2] = s->dc_val[1] + c_size; - for (i = 0; i < yc_size; i++) - s->dc_val_base[i] = 1024; - } - - /* which mb is a intra block */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail); - memset(s->mbintra_table, 1, mb_array_size); - - /* init macroblock skip table */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail); - // Note the + 1 is for a quicker mpeg4 slice_end detection - - return init_er(s); -fail: - return AVERROR(ENOMEM); -} - -/** - * init common structure for both encoder and decoder. - * this assumes that some variables like width/height are already set - */ -av_cold int ff_MPV_common_init(MpegEncContext *s) -{ - int i; - int nb_slices = (HAVE_THREADS && - s->avctx->active_thread_type & FF_THREAD_SLICE) ? - s->avctx->thread_count : 1; - - if (s->encoding && s->avctx->slices) - nb_slices = s->avctx->slices; - - if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence) - s->mb_height = (s->height + 31) / 32 * 2; - else - s->mb_height = (s->height + 15) / 16; - - if (s->avctx->pix_fmt == AV_PIX_FMT_NONE) { - av_log(s->avctx, AV_LOG_ERROR, - "decoding to AV_PIX_FMT_NONE is not supported.\n"); - return -1; - } - - if (nb_slices > MAX_THREADS || (nb_slices > s->mb_height && s->mb_height)) { - int max_slices; - if (s->mb_height) - max_slices = FFMIN(MAX_THREADS, s->mb_height); - else - max_slices = MAX_THREADS; - av_log(s->avctx, AV_LOG_WARNING, "too many threads/slices (%d)," - " reducing to %d\n", nb_slices, max_slices); - nb_slices = max_slices; - } - - if ((s->width || s->height) && - av_image_check_size(s->width, s->height, 0, s->avctx)) - return -1; - - ff_dct_common_init(s); - - s->flags = s->avctx->flags; - s->flags2 = s->avctx->flags2; - - /* set chroma shifts */ - avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &s->chroma_x_shift, &s->chroma_y_shift); - - /* convert fourcc to upper case */ - s->codec_tag = avpriv_toupper4(s->avctx->codec_tag); - s->stream_codec_tag = avpriv_toupper4(s->avctx->stream_codec_tag); - - s->avctx->coded_frame = &s->current_picture.f; - - if (s->encoding) { - if (s->msmpeg4_version) { - FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats, - 2 * 2 * (MAX_LEVEL + 1) * - (MAX_RUN + 1) * 2 * sizeof(int), fail); - } - FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail); - - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix, 64 * 32 * sizeof(int), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix, 64 * 32 * sizeof(int), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix, 64 * 32 * sizeof(int), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail) - - if (s->avctx->noise_reduction) { - FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail); - } - } - - FF_ALLOCZ_OR_GOTO(s->avctx, s->picture, - MAX_PICTURE_COUNT * sizeof(Picture), fail); - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - avcodec_get_frame_defaults(&s->picture[i].f); - } - memset(&s->next_picture, 0, sizeof(s->next_picture)); - memset(&s->last_picture, 0, sizeof(s->last_picture)); - memset(&s->current_picture, 0, sizeof(s->current_picture)); - avcodec_get_frame_defaults(&s->next_picture.f); - avcodec_get_frame_defaults(&s->last_picture.f); - avcodec_get_frame_defaults(&s->current_picture.f); - - if (init_context_frame(s)) - goto fail; - - s->parse_context.state = -1; - - s->context_initialized = 1; - s->thread_context[0] = s; - -// if (s->width && s->height) { - if (nb_slices > 1) { - for (i = 1; i < nb_slices; i++) { - s->thread_context[i] = av_malloc(sizeof(MpegEncContext)); - memcpy(s->thread_context[i], s, sizeof(MpegEncContext)); - } - - for (i = 0; i < nb_slices; i++) { - if (init_duplicate_context(s->thread_context[i]) < 0) - goto fail; - s->thread_context[i]->start_mb_y = - (s->mb_height * (i) + nb_slices / 2) / nb_slices; - s->thread_context[i]->end_mb_y = - (s->mb_height * (i + 1) + nb_slices / 2) / nb_slices; - } - } else { - if (init_duplicate_context(s) < 0) - goto fail; - s->start_mb_y = 0; - s->end_mb_y = s->mb_height; - } - s->slice_context_count = nb_slices; -// } - - return 0; - fail: - ff_MPV_common_end(s); - return -1; -} - -/** - * Frees and resets MpegEncContext fields depending on the resolution. - * Is used during resolution changes to avoid a full reinitialization of the - * codec. - */ -static int free_context_frame(MpegEncContext *s) -{ - int i, j, k; - - av_freep(&s->mb_type); - av_freep(&s->p_mv_table_base); - av_freep(&s->b_forw_mv_table_base); - av_freep(&s->b_back_mv_table_base); - av_freep(&s->b_bidir_forw_mv_table_base); - av_freep(&s->b_bidir_back_mv_table_base); - av_freep(&s->b_direct_mv_table_base); - s->p_mv_table = NULL; - s->b_forw_mv_table = NULL; - s->b_back_mv_table = NULL; - s->b_bidir_forw_mv_table = NULL; - s->b_bidir_back_mv_table = NULL; - s->b_direct_mv_table = NULL; - for (i = 0; i < 2; i++) { - for (j = 0; j < 2; j++) { - for (k = 0; k < 2; k++) { - av_freep(&s->b_field_mv_table_base[i][j][k]); - s->b_field_mv_table[i][j][k] = NULL; - } - av_freep(&s->b_field_select_table[i][j]); - av_freep(&s->p_field_mv_table_base[i][j]); - s->p_field_mv_table[i][j] = NULL; - } - av_freep(&s->p_field_select_table[i]); - } - - av_freep(&s->dc_val_base); - av_freep(&s->coded_block_base); - av_freep(&s->mbintra_table); - av_freep(&s->cbp_table); - av_freep(&s->pred_dir_table); - - av_freep(&s->mbskip_table); - - av_freep(&s->er.error_status_table); - av_freep(&s->er.er_temp_buffer); - av_freep(&s->mb_index2xy); - av_freep(&s->lambda_table); - - av_freep(&s->cplx_tab); - av_freep(&s->bits_tab); - - s->linesize = s->uvlinesize = 0; - - return 0; -} - -int ff_MPV_common_frame_size_change(MpegEncContext *s) -{ - int i, err = 0; - - if (s->slice_context_count > 1) { - for (i = 0; i < s->slice_context_count; i++) { - free_duplicate_context(s->thread_context[i]); - } - for (i = 1; i < s->slice_context_count; i++) { - av_freep(&s->thread_context[i]); - } - } else - free_duplicate_context(s); - - if ((err = free_context_frame(s)) < 0) - return err; - - if (s->picture) - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - s->picture[i].needs_realloc = 1; - } - - s->last_picture_ptr = - s->next_picture_ptr = - s->current_picture_ptr = NULL; - - // init - if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence) - s->mb_height = (s->height + 31) / 32 * 2; - else - s->mb_height = (s->height + 15) / 16; - - if ((s->width || s->height) && - av_image_check_size(s->width, s->height, 0, s->avctx)) - return AVERROR_INVALIDDATA; - - if ((err = init_context_frame(s))) - goto fail; - - s->thread_context[0] = s; - - if (s->width && s->height) { - int nb_slices = s->slice_context_count; - if (nb_slices > 1) { - for (i = 1; i < nb_slices; i++) { - s->thread_context[i] = av_malloc(sizeof(MpegEncContext)); - memcpy(s->thread_context[i], s, sizeof(MpegEncContext)); - } - - for (i = 0; i < nb_slices; i++) { - if (init_duplicate_context(s->thread_context[i]) < 0) - goto fail; - s->thread_context[i]->start_mb_y = - (s->mb_height * (i) + nb_slices / 2) / nb_slices; - s->thread_context[i]->end_mb_y = - (s->mb_height * (i + 1) + nb_slices / 2) / nb_slices; - } - } else { - if (init_duplicate_context(s) < 0) - goto fail; - s->start_mb_y = 0; - s->end_mb_y = s->mb_height; - } - s->slice_context_count = nb_slices; - } - - return 0; - fail: - ff_MPV_common_end(s); - return err; -} - -/* init common structure for both encoder and decoder */ -void ff_MPV_common_end(MpegEncContext *s) -{ - int i; - - if (s->slice_context_count > 1) { - for (i = 0; i < s->slice_context_count; i++) { - free_duplicate_context(s->thread_context[i]); - } - for (i = 1; i < s->slice_context_count; i++) { - av_freep(&s->thread_context[i]); - } - s->slice_context_count = 1; - } else free_duplicate_context(s); - - av_freep(&s->parse_context.buffer); - s->parse_context.buffer_size = 0; - - av_freep(&s->bitstream_buffer); - s->allocated_bitstream_buffer_size = 0; - - av_freep(&s->avctx->stats_out); - av_freep(&s->ac_stats); - - if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix); - if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16); - s->q_chroma_intra_matrix= NULL; - s->q_chroma_intra_matrix16= NULL; - av_freep(&s->q_intra_matrix); - av_freep(&s->q_inter_matrix); - av_freep(&s->q_intra_matrix16); - av_freep(&s->q_inter_matrix16); - av_freep(&s->input_picture); - av_freep(&s->reordered_input_picture); - av_freep(&s->dct_offset); - - if (s->picture) { - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - free_picture_tables(&s->picture[i]); - ff_mpeg_unref_picture(s, &s->picture[i]); - } - } - av_freep(&s->picture); - free_picture_tables(&s->last_picture); - ff_mpeg_unref_picture(s, &s->last_picture); - free_picture_tables(&s->current_picture); - ff_mpeg_unref_picture(s, &s->current_picture); - free_picture_tables(&s->next_picture); - ff_mpeg_unref_picture(s, &s->next_picture); - free_picture_tables(&s->new_picture); - ff_mpeg_unref_picture(s, &s->new_picture); - - free_context_frame(s); - - s->context_initialized = 0; - s->last_picture_ptr = - s->next_picture_ptr = - s->current_picture_ptr = NULL; - s->linesize = s->uvlinesize = 0; -} - -void ff_init_rl(RLTable *rl, - uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3]) -{ - int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1]; - uint8_t index_run[MAX_RUN + 1]; - int last, run, level, start, end, i; - - /* If table is static, we can quit if rl->max_level[0] is not NULL */ - if (static_store && rl->max_level[0]) - return; - - /* compute max_level[], max_run[] and index_run[] */ - for (last = 0; last < 2; last++) { - if (last == 0) { - start = 0; - end = rl->last; - } else { - start = rl->last; - end = rl->n; - } - - memset(max_level, 0, MAX_RUN + 1); - memset(max_run, 0, MAX_LEVEL + 1); - memset(index_run, rl->n, MAX_RUN + 1); - for (i = start; i < end; i++) { - run = rl->table_run[i]; - level = rl->table_level[i]; - if (index_run[run] == rl->n) - index_run[run] = i; - if (level > max_level[run]) - max_level[run] = level; - if (run > max_run[level]) - max_run[level] = run; - } - if (static_store) - rl->max_level[last] = static_store[last]; - else - rl->max_level[last] = av_malloc(MAX_RUN + 1); - memcpy(rl->max_level[last], max_level, MAX_RUN + 1); - if (static_store) - rl->max_run[last] = static_store[last] + MAX_RUN + 1; - else - rl->max_run[last] = av_malloc(MAX_LEVEL + 1); - memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1); - if (static_store) - rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2; - else - rl->index_run[last] = av_malloc(MAX_RUN + 1); - memcpy(rl->index_run[last], index_run, MAX_RUN + 1); - } -} - -void ff_init_vlc_rl(RLTable *rl) -{ - int i, q; - - for (q = 0; q < 32; q++) { - int qmul = q * 2; - int qadd = (q - 1) | 1; - - if (q == 0) { - qmul = 1; - qadd = 0; - } - for (i = 0; i < rl->vlc.table_size; i++) { - int code = rl->vlc.table[i][0]; - int len = rl->vlc.table[i][1]; - int level, run; - - if (len == 0) { // illegal code - run = 66; - level = MAX_LEVEL; - } else if (len < 0) { // more bits needed - run = 0; - level = code; - } else { - if (code == rl->n) { // esc - run = 66; - level = 0; - } else { - run = rl->table_run[code] + 1; - level = rl->table_level[code] * qmul + qadd; - if (code >= rl->last) run += 192; - } - } - rl->rl_vlc[q][i].len = len; - rl->rl_vlc[q][i].level = level; - rl->rl_vlc[q][i].run = run; - } - } -} - -void ff_release_unused_pictures(MpegEncContext*s, int remove_current) -{ - int i; - - /* release non reference frames */ - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - if (!s->picture[i].reference && - (remove_current || &s->picture[i] != s->current_picture_ptr)) { - ff_mpeg_unref_picture(s, &s->picture[i]); - } - } -} - -static inline int pic_is_unused(MpegEncContext *s, Picture *pic) -{ - if ( (s->avctx->active_thread_type & FF_THREAD_FRAME) - && pic->f.qscale_table //check if the frame has anything allocated - && pic->period_since_free < s->avctx->thread_count) - return 0; - if (pic == s->last_picture_ptr) - 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(MpegEncContext *s, int shared) -{ - int i; - - if (shared) { - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - if (s->picture[i].f.data[0] == NULL && &s->picture[i] != s->last_picture_ptr) - return i; - } - } else { - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - if (pic_is_unused(s, &s->picture[i])) - return i; - } - } - - av_log(s->avctx, AV_LOG_FATAL, - "Internal error, picture buffer overflow\n"); - /* We could return -1, but the codec would crash trying to draw into a - * non-existing frame anyway. This is safer than waiting for a random crash. - * Also the return of this is never useful, an encoder must only allocate - * as much as allowed in the specification. This has no relationship to how - * much libavcodec could allocate (and MAX_PICTURE_COUNT is always large - * enough for such valid streams). - * Plus, a decoder has to check stream validity and remove frames if too - * many reference frames are around. Waiting for "OOM" is not correct at - * all. Similarly, missing reference frames have to be replaced by - * interpolated/MC frames, anything else is a bug in the codec ... - */ - abort(); - return -1; -} - -int ff_find_unused_picture(MpegEncContext *s, int shared) -{ - int ret = find_unused_picture(s, shared); - - if (ret >= 0 && ret < MAX_PICTURE_COUNT) { - if (s->picture[ret].needs_realloc) { - s->picture[ret].needs_realloc = 0; - free_picture_tables(&s->picture[ret]); - ff_mpeg_unref_picture(s, &s->picture[ret]); - avcodec_get_frame_defaults(&s->picture[ret].f); - } - } - return ret; -} - -static void update_noise_reduction(MpegEncContext *s) -{ - int intra, i; - - for (intra = 0; intra < 2; intra++) { - if (s->dct_count[intra] > (1 << 16)) { - for (i = 0; i < 64; i++) { - s->dct_error_sum[intra][i] >>= 1; - } - s->dct_count[intra] >>= 1; - } - - for (i = 0; i < 64; i++) { - s->dct_offset[intra][i] = (s->avctx->noise_reduction * - s->dct_count[intra] + - s->dct_error_sum[intra][i] / 2) / - (s->dct_error_sum[intra][i] + 1); - } - } -} - -/** - * generic function for encode/decode called after coding/decoding - * the header and before a frame is coded/decoded. - */ -int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx) -{ - int i, ret; - Picture *pic; - s->mb_skipped = 0; - - if (!ff_thread_can_start_frame(avctx)) { - av_log(avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n"); - return -1; - } - - /* mark & release old frames */ - if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr && - s->last_picture_ptr != s->next_picture_ptr && - s->last_picture_ptr->f.data[0]) { - ff_mpeg_unref_picture(s, s->last_picture_ptr); - } - - /* release forgotten pictures */ - /* if (mpeg124/h263) */ - if (!s->encoding) { - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - if (&s->picture[i] != s->last_picture_ptr && - &s->picture[i] != s->next_picture_ptr && - s->picture[i].reference && !s->picture[i].needs_realloc) { - if (!(avctx->active_thread_type & FF_THREAD_FRAME)) - av_log(avctx, AV_LOG_ERROR, - "releasing zombie picture\n"); - ff_mpeg_unref_picture(s, &s->picture[i]); - } - } - } - - if (!s->encoding) { - ff_release_unused_pictures(s, 1); - - if (s->current_picture_ptr && - s->current_picture_ptr->f.data[0] == NULL) { - // we already have a unused image - // (maybe it was set before reading the header) - pic = s->current_picture_ptr; - } else { - i = ff_find_unused_picture(s, 0); - if (i < 0) { - av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); - return i; - } - pic = &s->picture[i]; - } - - pic->reference = 0; - if (!s->droppable) { - if (s->pict_type != AV_PICTURE_TYPE_B) - pic->reference = 3; - } - - pic->f.coded_picture_number = s->coded_picture_number++; - - if (ff_alloc_picture(s, pic, 0) < 0) - return -1; - - s->current_picture_ptr = pic; - // FIXME use only the vars from current_pic - s->current_picture_ptr->f.top_field_first = s->top_field_first; - if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || - s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { - if (s->picture_structure != PICT_FRAME) - s->current_picture_ptr->f.top_field_first = - (s->picture_structure == PICT_TOP_FIELD) == s->first_field; - } - s->current_picture_ptr->f.interlaced_frame = !s->progressive_frame && - !s->progressive_sequence; - s->current_picture_ptr->field_picture = s->picture_structure != PICT_FRAME; - } - - s->current_picture_ptr->f.pict_type = s->pict_type; - // if (s->flags && CODEC_FLAG_QSCALE) - // s->current_picture_ptr->quality = s->new_picture_ptr->quality; - s->current_picture_ptr->f.key_frame = s->pict_type == AV_PICTURE_TYPE_I; - - ff_mpeg_unref_picture(s, &s->current_picture); - if ((ret = ff_mpeg_ref_picture(s, &s->current_picture, - s->current_picture_ptr)) < 0) - return ret; - - if (s->pict_type != AV_PICTURE_TYPE_B) { - s->last_picture_ptr = s->next_picture_ptr; - if (!s->droppable) - s->next_picture_ptr = s->current_picture_ptr; - } - av_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n", - s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr, - s->last_picture_ptr ? s->last_picture_ptr->f.data[0] : NULL, - s->next_picture_ptr ? s->next_picture_ptr->f.data[0] : NULL, - s->current_picture_ptr ? s->current_picture_ptr->f.data[0] : NULL, - s->pict_type, s->droppable); - - if ((s->last_picture_ptr == NULL || - s->last_picture_ptr->f.data[0] == NULL) && - (s->pict_type != AV_PICTURE_TYPE_I || - s->picture_structure != PICT_FRAME)) { - int h_chroma_shift, v_chroma_shift; - av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, - &h_chroma_shift, &v_chroma_shift); - if (s->pict_type != AV_PICTURE_TYPE_I) - av_log(avctx, AV_LOG_ERROR, - "warning: first frame is no keyframe\n"); - else if (s->picture_structure != PICT_FRAME) - av_log(avctx, AV_LOG_INFO, - "allocate dummy last picture for field based first keyframe\n"); - - /* Allocate a dummy frame */ - i = ff_find_unused_picture(s, 0); - if (i < 0) { - av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); - return i; - } - s->last_picture_ptr = &s->picture[i]; - s->last_picture_ptr->f.key_frame = 0; - if (ff_alloc_picture(s, s->last_picture_ptr, 0) < 0) { - s->last_picture_ptr = NULL; - return -1; - } - - memset(s->last_picture_ptr->f.data[0], 0x80, - avctx->height * s->last_picture_ptr->f.linesize[0]); - memset(s->last_picture_ptr->f.data[1], 0x80, - (avctx->height >> v_chroma_shift) * - s->last_picture_ptr->f.linesize[1]); - memset(s->last_picture_ptr->f.data[2], 0x80, - (avctx->height >> v_chroma_shift) * - s->last_picture_ptr->f.linesize[2]); - - if(s->codec_id == AV_CODEC_ID_FLV1 || s->codec_id == AV_CODEC_ID_H263){ - for(i=0; i<avctx->height; i++) - memset(s->last_picture_ptr->f.data[0] + s->last_picture_ptr->f.linesize[0]*i, 16, avctx->width); - } - - ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0); - ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1); - } - if ((s->next_picture_ptr == NULL || - s->next_picture_ptr->f.data[0] == NULL) && - s->pict_type == AV_PICTURE_TYPE_B) { - /* Allocate a dummy frame */ - i = ff_find_unused_picture(s, 0); - if (i < 0) { - av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n"); - return i; - } - s->next_picture_ptr = &s->picture[i]; - s->next_picture_ptr->f.key_frame = 0; - if (ff_alloc_picture(s, s->next_picture_ptr, 0) < 0) { - s->next_picture_ptr = NULL; - return -1; - } - ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 0); - ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 1); - } - -#if 0 // BUFREF-FIXME - memset(s->last_picture.f.data, 0, sizeof(s->last_picture.f.data)); - memset(s->next_picture.f.data, 0, sizeof(s->next_picture.f.data)); -#endif - if (s->last_picture_ptr) { - ff_mpeg_unref_picture(s, &s->last_picture); - if (s->last_picture_ptr->f.data[0] && - (ret = ff_mpeg_ref_picture(s, &s->last_picture, - s->last_picture_ptr)) < 0) - return ret; - } - if (s->next_picture_ptr) { - ff_mpeg_unref_picture(s, &s->next_picture); - if (s->next_picture_ptr->f.data[0] && - (ret = ff_mpeg_ref_picture(s, &s->next_picture, - s->next_picture_ptr)) < 0) - return ret; - } - - assert(s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr && - s->last_picture_ptr->f.data[0])); - - if (s->picture_structure!= PICT_FRAME) { - int i; - for (i = 0; i < 4; i++) { - if (s->picture_structure == PICT_BOTTOM_FIELD) { - s->current_picture.f.data[i] += - s->current_picture.f.linesize[i]; - } - s->current_picture.f.linesize[i] *= 2; - s->last_picture.f.linesize[i] *= 2; - s->next_picture.f.linesize[i] *= 2; - } - } - - s->err_recognition = avctx->err_recognition; - - /* set dequantizer, we can't do it during init as - * it might change for mpeg4 and we can't do it in the header - * decode as init is not called for mpeg4 there yet */ - if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) { - s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra; - s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter; - } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) { - s->dct_unquantize_intra = s->dct_unquantize_h263_intra; - s->dct_unquantize_inter = s->dct_unquantize_h263_inter; - } else { - s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra; - s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter; - } - - if (s->dct_error_sum) { - assert(s->avctx->noise_reduction && s->encoding); - update_noise_reduction(s); - } - - if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) - return ff_xvmc_field_start(s, avctx); - - return 0; -} - -/* generic function for encode/decode called after a - * frame has been coded/decoded. */ -void ff_MPV_frame_end(MpegEncContext *s) -{ - int i; - /* redraw edges for the frame if decoding didn't complete */ - // just to make sure that all data is rendered. - if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) { - ff_xvmc_field_end(s); - } else if ((s->er.error_count || s->encoding || !(s->avctx->codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)) && - !s->avctx->hwaccel && - !(s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) && - s->unrestricted_mv && - s->current_picture.reference && - !s->intra_only && - !(s->flags & CODEC_FLAG_EMU_EDGE) && - !s->avctx->lowres - ) { - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt); - int hshift = desc->log2_chroma_w; - int vshift = desc->log2_chroma_h; - s->dsp.draw_edges(s->current_picture.f.data[0], s->current_picture.f.linesize[0], - s->h_edge_pos, s->v_edge_pos, - EDGE_WIDTH, EDGE_WIDTH, - EDGE_TOP | EDGE_BOTTOM); - s->dsp.draw_edges(s->current_picture.f.data[1], s->current_picture.f.linesize[1], - s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, - EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, - EDGE_TOP | EDGE_BOTTOM); - s->dsp.draw_edges(s->current_picture.f.data[2], s->current_picture.f.linesize[2], - s->h_edge_pos >> hshift, s->v_edge_pos >> vshift, - EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, - EDGE_TOP | EDGE_BOTTOM); - } - - emms_c(); - - s->last_pict_type = s->pict_type; - s->last_lambda_for [s->pict_type] = s->current_picture_ptr->f.quality; - if (s->pict_type!= AV_PICTURE_TYPE_B) { - s->last_non_b_pict_type = s->pict_type; - } -#if 0 - /* copy back current_picture variables */ - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - if (s->picture[i].f.data[0] == s->current_picture.f.data[0]) { - s->picture[i] = s->current_picture; - break; - } - } - assert(i < MAX_PICTURE_COUNT); -#endif - - if (s->encoding) { - /* release non-reference frames */ - for (i = 0; i < MAX_PICTURE_COUNT; i++) { - if (!s->picture[i].reference) - ff_mpeg_unref_picture(s, &s->picture[i]); - } - } - // clear copies, to avoid confusion -#if 0 - memset(&s->last_picture, 0, sizeof(Picture)); - memset(&s->next_picture, 0, sizeof(Picture)); - memset(&s->current_picture, 0, sizeof(Picture)); -#endif - s->avctx->coded_frame = &s->current_picture_ptr->f; - - if (s->current_picture.reference) - ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0); -} - -/** - * Draw a line from (ex, ey) -> (sx, sy). - * @param w width of the image - * @param h height of the image - * @param stride stride/linesize of the image - * @param color color of the arrow - */ -static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, - int w, int h, int stride, int color) -{ - int x, y, fr, f; - - sx = av_clip(sx, 0, w - 1); - sy = av_clip(sy, 0, h - 1); - ex = av_clip(ex, 0, w - 1); - ey = av_clip(ey, 0, h - 1); - - buf[sy * stride + sx] += color; - - if (FFABS(ex - sx) > FFABS(ey - sy)) { - if (sx > ex) { - FFSWAP(int, sx, ex); - FFSWAP(int, sy, ey); - } - buf += sx + sy * stride; - ex -= sx; - f = ((ey - sy) << 16) / ex; - for (x = 0; x <= ex; x++) { - y = (x * f) >> 16; - fr = (x * f) & 0xFFFF; - buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; - if(fr) buf[(y + 1) * stride + x] += (color * fr ) >> 16; - } - } else { - if (sy > ey) { - FFSWAP(int, sx, ex); - FFSWAP(int, sy, ey); - } - buf += sx + sy * stride; - ey -= sy; - if (ey) - f = ((ex - sx) << 16) / ey; - else - f = 0; - for(y= 0; y <= ey; y++){ - x = (y*f) >> 16; - fr = (y*f) & 0xFFFF; - buf[y * stride + x] += (color * (0x10000 - fr)) >> 16; - if(fr) buf[y * stride + x + 1] += (color * fr ) >> 16; - } - } -} - -/** - * Draw an arrow from (ex, ey) -> (sx, sy). - * @param w width of the image - * @param h height of the image - * @param stride stride/linesize of the image - * @param color color of the arrow - */ -static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, - int ey, int w, int h, int stride, int color) -{ - int dx,dy; - - sx = av_clip(sx, -100, w + 100); - sy = av_clip(sy, -100, h + 100); - ex = av_clip(ex, -100, w + 100); - ey = av_clip(ey, -100, h + 100); - - dx = ex - sx; - dy = ey - sy; - - if (dx * dx + dy * dy > 3 * 3) { - int rx = dx + dy; - int ry = -dx + dy; - int length = ff_sqrt((rx * rx + ry * ry) << 8); - - // FIXME subpixel accuracy - rx = ROUNDED_DIV(rx * 3 << 4, length); - ry = ROUNDED_DIV(ry * 3 << 4, length); - - draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color); - draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color); - } - draw_line(buf, sx, sy, ex, ey, w, h, stride, color); -} - -/** - * Print debugging info for the given picture. - */ -void ff_print_debug_info2(AVCodecContext *avctx, Picture *p, AVFrame *pict, uint8_t *mbskip_table, - int *low_delay, - int mb_width, int mb_height, int mb_stride, int quarter_sample) -{ - if (avctx->hwaccel || !p || !p->mb_type - || (avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)) - return; - - - if (avctx->debug & (FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)) { - int x,y; - - av_log(avctx, AV_LOG_DEBUG, "New frame, type: %c\n", - av_get_picture_type_char(pict->pict_type)); - for (y = 0; y < mb_height; y++) { - for (x = 0; x < mb_width; x++) { - if (avctx->debug & FF_DEBUG_SKIP) { - int count = mbskip_table[x + y * mb_stride]; - if (count > 9) - count = 9; - av_log(avctx, AV_LOG_DEBUG, "%1d", count); - } - if (avctx->debug & FF_DEBUG_QP) { - av_log(avctx, AV_LOG_DEBUG, "%2d", - p->qscale_table[x + y * mb_stride]); - } - if (avctx->debug & FF_DEBUG_MB_TYPE) { - int mb_type = p->mb_type[x + y * mb_stride]; - // Type & MV direction - if (IS_PCM(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "P"); - else if (IS_INTRA(mb_type) && IS_ACPRED(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "A"); - else if (IS_INTRA4x4(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "i"); - else if (IS_INTRA16x16(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "I"); - else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "d"); - else if (IS_DIRECT(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "D"); - else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "g"); - else if (IS_GMC(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "G"); - else if (IS_SKIP(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "S"); - else if (!USES_LIST(mb_type, 1)) - av_log(avctx, AV_LOG_DEBUG, ">"); - else if (!USES_LIST(mb_type, 0)) - av_log(avctx, AV_LOG_DEBUG, "<"); - else { - av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); - av_log(avctx, AV_LOG_DEBUG, "X"); - } - - // segmentation - if (IS_8X8(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "+"); - else if (IS_16X8(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "-"); - else if (IS_8X16(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "|"); - else if (IS_INTRA(mb_type) || IS_16X16(mb_type)) - av_log(avctx, AV_LOG_DEBUG, " "); - else - av_log(avctx, AV_LOG_DEBUG, "?"); - - - if (IS_INTERLACED(mb_type)) - av_log(avctx, AV_LOG_DEBUG, "="); - else - av_log(avctx, AV_LOG_DEBUG, " "); - } - } - av_log(avctx, AV_LOG_DEBUG, "\n"); - } - } - - if ((avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) || - (avctx->debug_mv)) { - const int shift = 1 + quarter_sample; - int mb_y; - uint8_t *ptr; - int i; - int h_chroma_shift, v_chroma_shift, block_height; - const int width = avctx->width; - const int height = avctx->height; - const int mv_sample_log2 = avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_SVQ3 ? 2 : 1; - const int mv_stride = (mb_width << mv_sample_log2) + - (avctx->codec->id == AV_CODEC_ID_H264 ? 0 : 1); - - *low_delay = 0; // needed to see the vectors without trashing the buffers - - avcodec_get_chroma_sub_sample(avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); - - av_frame_make_writable(pict); - - pict->opaque = NULL; - ptr = pict->data[0]; - block_height = 16 >> v_chroma_shift; - - for (mb_y = 0; mb_y < mb_height; mb_y++) { - int mb_x; - for (mb_x = 0; mb_x < mb_width; mb_x++) { - const int mb_index = mb_x + mb_y * mb_stride; - if ((avctx->debug_mv) && p->motion_val[0]) { - int type; - for (type = 0; type < 3; type++) { - int direction = 0; - switch (type) { - case 0: - if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_P_FOR)) || - (pict->pict_type!= AV_PICTURE_TYPE_P)) - continue; - direction = 0; - break; - case 1: - if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_FOR)) || - (pict->pict_type!= AV_PICTURE_TYPE_B)) - continue; - direction = 0; - break; - case 2: - if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_BACK)) || - (pict->pict_type!= AV_PICTURE_TYPE_B)) - continue; - direction = 1; - break; - } - if (!USES_LIST(p->mb_type[mb_index], direction)) - continue; - - if (IS_8X8(p->mb_type[mb_index])) { - int i; - for (i = 0; i < 4; i++) { - int sx = mb_x * 16 + 4 + 8 * (i & 1); - int sy = mb_y * 16 + 4 + 8 * (i >> 1); - int xy = (mb_x * 2 + (i & 1) + - (mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1); - int mx = (p->motion_val[direction][xy][0] >> shift) + sx; - int my = (p->motion_val[direction][xy][1] >> shift) + sy; - draw_arrow(ptr, sx, sy, mx, my, width, - height, pict->linesize[0], 100); - } - } else if (IS_16X8(p->mb_type[mb_index])) { - int i; - for (i = 0; i < 2; i++) { - int sx = mb_x * 16 + 8; - int sy = mb_y * 16 + 4 + 8 * i; - int xy = (mb_x * 2 + (mb_y * 2 + i) * mv_stride) << (mv_sample_log2 - 1); - int mx = (p->motion_val[direction][xy][0] >> shift); - int my = (p->motion_val[direction][xy][1] >> shift); - - if (IS_INTERLACED(p->mb_type[mb_index])) - my *= 2; - - draw_arrow(ptr, sx, sy, mx + sx, my + sy, width, - height, pict->linesize[0], 100); - } - } else if (IS_8X16(p->mb_type[mb_index])) { - int i; - for (i = 0; i < 2; i++) { - int sx = mb_x * 16 + 4 + 8 * i; - int sy = mb_y * 16 + 8; - int xy = (mb_x * 2 + i + mb_y * 2 * mv_stride) << (mv_sample_log2 - 1); - int mx = p->motion_val[direction][xy][0] >> shift; - int my = p->motion_val[direction][xy][1] >> shift; - - if (IS_INTERLACED(p->mb_type[mb_index])) - my *= 2; - - draw_arrow(ptr, sx, sy, mx + sx, my + sy, width, - height, pict->linesize[0], 100); - } - } else { - int sx= mb_x * 16 + 8; - int sy= mb_y * 16 + 8; - int xy= (mb_x + mb_y * mv_stride) << mv_sample_log2; - int mx= (p->motion_val[direction][xy][0]>>shift) + sx; - int my= (p->motion_val[direction][xy][1]>>shift) + sy; - draw_arrow(ptr, sx, sy, mx, my, width, height, pict->linesize[0], 100); - } - } - } - if ((avctx->debug & FF_DEBUG_VIS_QP)) { - uint64_t c = (p->qscale_table[mb_index] * 128 / 31) * - 0x0101010101010101ULL; - int y; - for (y = 0; y < block_height; y++) { - *(uint64_t *)(pict->data[1] + 8 * mb_x + - (block_height * mb_y + y) * - pict->linesize[1]) = c; - *(uint64_t *)(pict->data[2] + 8 * mb_x + - (block_height * mb_y + y) * - pict->linesize[2]) = c; - } - } - if ((avctx->debug & FF_DEBUG_VIS_MB_TYPE) && - p->motion_val[0]) { - int mb_type = p->mb_type[mb_index]; - uint64_t u,v; - int y; -#define COLOR(theta, r) \ - u = (int)(128 + r * cos(theta * 3.141592 / 180)); \ - v = (int)(128 + r * sin(theta * 3.141592 / 180)); - - - u = v = 128; - if (IS_PCM(mb_type)) { - COLOR(120, 48) - } else if ((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) || - IS_INTRA16x16(mb_type)) { - COLOR(30, 48) - } else if (IS_INTRA4x4(mb_type)) { - COLOR(90, 48) - } else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) { - // COLOR(120, 48) - } else if (IS_DIRECT(mb_type)) { - COLOR(150, 48) - } else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) { - COLOR(170, 48) - } else if (IS_GMC(mb_type)) { - COLOR(190, 48) - } else if (IS_SKIP(mb_type)) { - // COLOR(180, 48) - } else if (!USES_LIST(mb_type, 1)) { - COLOR(240, 48) - } else if (!USES_LIST(mb_type, 0)) { - COLOR(0, 48) - } else { - av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); - COLOR(300,48) - } - - u *= 0x0101010101010101ULL; - v *= 0x0101010101010101ULL; - for (y = 0; y < block_height; y++) { - *(uint64_t *)(pict->data[1] + 8 * mb_x + - (block_height * mb_y + y) * pict->linesize[1]) = u; - *(uint64_t *)(pict->data[2] + 8 * mb_x + - (block_height * mb_y + y) * pict->linesize[2]) = v; - } - - // segmentation - if (IS_8X8(mb_type) || IS_16X8(mb_type)) { - *(uint64_t *)(pict->data[0] + 16 * mb_x + 0 + - (16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL; - *(uint64_t *)(pict->data[0] + 16 * mb_x + 8 + - (16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL; - } - if (IS_8X8(mb_type) || IS_8X16(mb_type)) { - for (y = 0; y < 16; y++) - pict->data[0][16 * mb_x + 8 + (16 * mb_y + y) * - pict->linesize[0]] ^= 0x80; - } - if (IS_8X8(mb_type) && mv_sample_log2 >= 2) { - int dm = 1 << (mv_sample_log2 - 2); - for (i = 0; i < 4; i++) { - int sx = mb_x * 16 + 8 * (i & 1); - int sy = mb_y * 16 + 8 * (i >> 1); - int xy = (mb_x * 2 + (i & 1) + - (mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1); - // FIXME bidir - int32_t *mv = (int32_t *) &p->motion_val[0][xy]; - if (mv[0] != mv[dm] || - mv[dm * mv_stride] != mv[dm * (mv_stride + 1)]) - for (y = 0; y < 8; y++) - pict->data[0][sx + 4 + (sy + y) * pict->linesize[0]] ^= 0x80; - if (mv[0] != mv[dm * mv_stride] || mv[dm] != mv[dm * (mv_stride + 1)]) - *(uint64_t *)(pict->data[0] + sx + (sy + 4) * - pict->linesize[0]) ^= 0x8080808080808080ULL; - } - } - - if (IS_INTERLACED(mb_type) && - avctx->codec->id == AV_CODEC_ID_H264) { - // hmm - } - } - mbskip_table[mb_index] = 0; - } - } - } -} - -void ff_print_debug_info(MpegEncContext *s, Picture *p, AVFrame *pict) -{ - ff_print_debug_info2(s->avctx, p, pict, s->mbskip_table, &s->low_delay, - s->mb_width, s->mb_height, s->mb_stride, s->quarter_sample); -} - -int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type) -{ - AVBufferRef *ref = av_buffer_ref(p->qscale_table_buf); - int offset = 2*s->mb_stride + 1; - if(!ref) - return AVERROR(ENOMEM); - av_assert0(ref->size >= offset + s->mb_stride * ((f->height+15)/16)); - ref->size -= offset; - ref->data += offset; - return av_frame_set_qp_table(f, ref, s->mb_stride, qp_type); -} - -static inline int hpel_motion_lowres(MpegEncContext *s, - uint8_t *dest, uint8_t *src, - int field_based, int field_select, - int src_x, int src_y, - int width, int height, int stride, - int h_edge_pos, int v_edge_pos, - int w, int h, h264_chroma_mc_func *pix_op, - int motion_x, int motion_y) -{ - const int lowres = s->avctx->lowres; - const int op_index = FFMIN(lowres, 2); - const int s_mask = (2 << lowres) - 1; - int emu = 0; - int sx, sy; - - if (s->quarter_sample) { - motion_x /= 2; - motion_y /= 2; - } - - sx = motion_x & s_mask; - sy = motion_y & s_mask; - src_x += motion_x >> lowres + 1; - src_y += motion_y >> lowres + 1; - - src += src_y * stride + src_x; - - if ((unsigned)src_x > FFMAX( h_edge_pos - (!!sx) - w, 0) || - (unsigned)src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { - s->vdsp.emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w + 1, - (h + 1) << field_based, src_x, - src_y << field_based, - h_edge_pos, - v_edge_pos); - src = s->edge_emu_buffer; - emu = 1; - } - - sx = (sx << 2) >> lowres; - sy = (sy << 2) >> lowres; - if (field_select) - src += s->linesize; - pix_op[op_index](dest, src, stride, h, sx, sy); - return emu; -} - -/* apply one mpeg motion vector to the three components */ -static av_always_inline void mpeg_motion_lowres(MpegEncContext *s, - uint8_t *dest_y, - uint8_t *dest_cb, - uint8_t *dest_cr, - int field_based, - int bottom_field, - int field_select, - uint8_t **ref_picture, - h264_chroma_mc_func *pix_op, - int motion_x, int motion_y, - int h, int mb_y) -{ - uint8_t *ptr_y, *ptr_cb, *ptr_cr; - int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, uvlinesize, linesize, sx, sy, - uvsx, uvsy; - const int lowres = s->avctx->lowres; - const int op_index = FFMIN(lowres-1+s->chroma_x_shift, 2); - const int block_s = 8>>lowres; - const int s_mask = (2 << lowres) - 1; - const int h_edge_pos = s->h_edge_pos >> lowres; - const int v_edge_pos = s->v_edge_pos >> lowres; - linesize = s->current_picture.f.linesize[0] << field_based; - uvlinesize = s->current_picture.f.linesize[1] << field_based; - - // FIXME obviously not perfect but qpel will not work in lowres anyway - if (s->quarter_sample) { - motion_x /= 2; - motion_y /= 2; - } - - if(field_based){ - motion_y += (bottom_field - field_select)*((1 << lowres)-1); - } - - sx = motion_x & s_mask; - sy = motion_y & s_mask; - src_x = s->mb_x * 2 * block_s + (motion_x >> lowres + 1); - src_y = (mb_y * 2 * block_s >> field_based) + (motion_y >> lowres + 1); - - if (s->out_format == FMT_H263) { - uvsx = ((motion_x >> 1) & s_mask) | (sx & 1); - uvsy = ((motion_y >> 1) & s_mask) | (sy & 1); - uvsrc_x = src_x >> 1; - uvsrc_y = src_y >> 1; - } else if (s->out_format == FMT_H261) { - // even chroma mv's are full pel in H261 - mx = motion_x / 4; - my = motion_y / 4; - uvsx = (2 * mx) & s_mask; - uvsy = (2 * my) & s_mask; - uvsrc_x = s->mb_x * block_s + (mx >> lowres); - uvsrc_y = mb_y * block_s + (my >> lowres); - } else { - if(s->chroma_y_shift){ - mx = motion_x / 2; - my = motion_y / 2; - uvsx = mx & s_mask; - uvsy = my & s_mask; - uvsrc_x = s->mb_x * block_s + (mx >> lowres + 1); - uvsrc_y = (mb_y * block_s >> field_based) + (my >> lowres + 1); - } else { - if(s->chroma_x_shift){ - //Chroma422 - mx = motion_x / 2; - uvsx = mx & s_mask; - uvsy = motion_y & s_mask; - uvsrc_y = src_y; - uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1)); - } else { - //Chroma444 - uvsx = motion_x & s_mask; - uvsy = motion_y & s_mask; - uvsrc_x = src_x; - uvsrc_y = src_y; - } - } - } - - ptr_y = ref_picture[0] + src_y * linesize + src_x; - ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x; - ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x; - - if ((unsigned) src_x > FFMAX( h_edge_pos - (!!sx) - 2 * block_s, 0) || - (unsigned) src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) { - s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr_y, - linesize >> field_based, 17, 17 + field_based, - src_x, src_y << field_based, h_edge_pos, - v_edge_pos); - ptr_y = s->edge_emu_buffer; - if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) { - uint8_t *uvbuf = s->edge_emu_buffer + 18 * s->linesize; - s->vdsp.emulated_edge_mc(uvbuf , ptr_cb, uvlinesize >> field_based, 9, - 9 + field_based, - uvsrc_x, uvsrc_y << field_based, - h_edge_pos >> 1, v_edge_pos >> 1); - s->vdsp.emulated_edge_mc(uvbuf + 16, ptr_cr, uvlinesize >> field_based, 9, - 9 + field_based, - uvsrc_x, uvsrc_y << field_based, - h_edge_pos >> 1, v_edge_pos >> 1); - ptr_cb = uvbuf; - ptr_cr = uvbuf + 16; - } - } - - // FIXME use this for field pix too instead of the obnoxious hack which changes picture.f.data - if (bottom_field) { - dest_y += s->linesize; - dest_cb += s->uvlinesize; - dest_cr += s->uvlinesize; - } - - if (field_select) { - ptr_y += s->linesize; - ptr_cb += s->uvlinesize; - ptr_cr += s->uvlinesize; - } - - sx = (sx << 2) >> lowres; - sy = (sy << 2) >> lowres; - pix_op[lowres - 1](dest_y, ptr_y, linesize, h, sx, sy); - - if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) { - uvsx = (uvsx << 2) >> lowres; - uvsy = (uvsy << 2) >> lowres; - if (h >> s->chroma_y_shift) { - pix_op[op_index](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); - pix_op[op_index](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); - } - } - // FIXME h261 lowres loop filter -} - -static inline void chroma_4mv_motion_lowres(MpegEncContext *s, - uint8_t *dest_cb, uint8_t *dest_cr, - uint8_t **ref_picture, - h264_chroma_mc_func * pix_op, - int mx, int my) -{ - const int lowres = s->avctx->lowres; - const int op_index = FFMIN(lowres, 2); - const int block_s = 8 >> lowres; - const int s_mask = (2 << lowres) - 1; - const int h_edge_pos = s->h_edge_pos >> lowres + 1; - const int v_edge_pos = s->v_edge_pos >> lowres + 1; - int emu = 0, src_x, src_y, offset, sx, sy; - uint8_t *ptr; - - if (s->quarter_sample) { - mx /= 2; - my /= 2; - } - - /* In case of 8X8, we construct a single chroma motion vector - with a special rounding */ - mx = ff_h263_round_chroma(mx); - my = ff_h263_round_chroma(my); - - sx = mx & s_mask; - sy = my & s_mask; - src_x = s->mb_x * block_s + (mx >> lowres + 1); - src_y = s->mb_y * block_s + (my >> lowres + 1); - - offset = src_y * s->uvlinesize + src_x; - ptr = ref_picture[1] + offset; - if (s->flags & CODEC_FLAG_EMU_EDGE) { - if ((unsigned) src_x > FFMAX(h_edge_pos - (!!sx) - block_s, 0) || - (unsigned) src_y > FFMAX(v_edge_pos - (!!sy) - block_s, 0)) { - s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, - 9, 9, src_x, src_y, h_edge_pos, v_edge_pos); - ptr = s->edge_emu_buffer; - emu = 1; - } - } - sx = (sx << 2) >> lowres; - sy = (sy << 2) >> lowres; - pix_op[op_index](dest_cb, ptr, s->uvlinesize, block_s, sx, sy); - - ptr = ref_picture[2] + offset; - if (emu) { - s->vdsp.emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, - src_x, src_y, h_edge_pos, v_edge_pos); - ptr = s->edge_emu_buffer; - } - pix_op[op_index](dest_cr, ptr, s->uvlinesize, block_s, sx, sy); -} - -/** - * motion compensation of a single macroblock - * @param s context - * @param dest_y luma destination pointer - * @param dest_cb chroma cb/u destination pointer - * @param dest_cr chroma cr/v destination pointer - * @param dir direction (0->forward, 1->backward) - * @param ref_picture array[3] of pointers to the 3 planes of the reference picture - * @param pix_op halfpel motion compensation function (average or put normally) - * the motion vectors are taken from s->mv and the MV type from s->mv_type - */ -static inline void MPV_motion_lowres(MpegEncContext *s, - uint8_t *dest_y, uint8_t *dest_cb, - uint8_t *dest_cr, - int dir, uint8_t **ref_picture, - h264_chroma_mc_func *pix_op) -{ - int mx, my; - int mb_x, mb_y, i; - const int lowres = s->avctx->lowres; - const int block_s = 8 >>lowres; - - mb_x = s->mb_x; - mb_y = s->mb_y; - - switch (s->mv_type) { - case MV_TYPE_16X16: - mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, - 0, 0, 0, - ref_picture, pix_op, - s->mv[dir][0][0], s->mv[dir][0][1], - 2 * block_s, mb_y); - break; - case MV_TYPE_8X8: - mx = 0; - my = 0; - for (i = 0; i < 4; i++) { - hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) * - s->linesize) * block_s, - ref_picture[0], 0, 0, - (2 * mb_x + (i & 1)) * block_s, - (2 * mb_y + (i >> 1)) * block_s, - s->width, s->height, s->linesize, - s->h_edge_pos >> lowres, s->v_edge_pos >> lowres, - block_s, block_s, pix_op, - s->mv[dir][i][0], s->mv[dir][i][1]); - - mx += s->mv[dir][i][0]; - my += s->mv[dir][i][1]; - } - - if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) - chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture, - pix_op, mx, my); - break; - case MV_TYPE_FIELD: - if (s->picture_structure == PICT_FRAME) { - /* top field */ - mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, - 1, 0, s->field_select[dir][0], - ref_picture, pix_op, - s->mv[dir][0][0], s->mv[dir][0][1], - block_s, mb_y); - /* bottom field */ - mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, - 1, 1, s->field_select[dir][1], - ref_picture, pix_op, - s->mv[dir][1][0], s->mv[dir][1][1], - block_s, mb_y); - } else { - if (s->picture_structure != s->field_select[dir][0] + 1 && - s->pict_type != AV_PICTURE_TYPE_B && !s->first_field) { - ref_picture = s->current_picture_ptr->f.data; - - } - mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, - 0, 0, s->field_select[dir][0], - ref_picture, pix_op, - s->mv[dir][0][0], - s->mv[dir][0][1], 2 * block_s, mb_y >> 1); - } - break; - case MV_TYPE_16X8: - for (i = 0; i < 2; i++) { - uint8_t **ref2picture; - - if (s->picture_structure == s->field_select[dir][i] + 1 || - s->pict_type == AV_PICTURE_TYPE_B || s->first_field) { - ref2picture = ref_picture; - } else { - ref2picture = s->current_picture_ptr->f.data; - } - - mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, - 0, 0, s->field_select[dir][i], - ref2picture, pix_op, - s->mv[dir][i][0], s->mv[dir][i][1] + - 2 * block_s * i, block_s, mb_y >> 1); - - dest_y += 2 * block_s * s->linesize; - dest_cb += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize; - dest_cr += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize; - } - break; - case MV_TYPE_DMV: - if (s->picture_structure == PICT_FRAME) { - for (i = 0; i < 2; i++) { - int j; - for (j = 0; j < 2; j++) { - mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, - 1, j, j ^ i, - ref_picture, pix_op, - s->mv[dir][2 * i + j][0], - s->mv[dir][2 * i + j][1], - block_s, mb_y); - } - pix_op = s->h264chroma.avg_h264_chroma_pixels_tab; - } - } else { - for (i = 0; i < 2; i++) { - mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, - 0, 0, s->picture_structure != i + 1, - ref_picture, pix_op, - s->mv[dir][2 * i][0],s->mv[dir][2 * i][1], - 2 * block_s, mb_y >> 1); - - // after put we make avg of the same block - pix_op = s->h264chroma.avg_h264_chroma_pixels_tab; - - // opposite parity is always in the same - // frame if this is second field - if (!s->first_field) { - ref_picture = s->current_picture_ptr->f.data; - } - } - } - break; - default: - av_assert2(0); - } -} - -/** - * find the lowest MB row referenced in the MVs - */ -int ff_MPV_lowest_referenced_row(MpegEncContext *s, int dir) -{ - int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample; - int my, off, i, mvs; - - if (s->picture_structure != PICT_FRAME || s->mcsel) - goto unhandled; - - switch (s->mv_type) { - case MV_TYPE_16X16: - mvs = 1; - break; - case MV_TYPE_16X8: - mvs = 2; - break; - case MV_TYPE_8X8: - mvs = 4; - break; - default: - goto unhandled; - } - - for (i = 0; i < mvs; i++) { - my = s->mv[dir][i][1]<<qpel_shift; - my_max = FFMAX(my_max, my); - my_min = FFMIN(my_min, my); - } - - off = (FFMAX(-my_min, my_max) + 63) >> 6; - - return FFMIN(FFMAX(s->mb_y + off, 0), s->mb_height-1); -unhandled: - return s->mb_height-1; -} - -/* put block[] to dest[] */ -static inline void put_dct(MpegEncContext *s, - int16_t *block, int i, uint8_t *dest, int line_size, int qscale) -{ - s->dct_unquantize_intra(s, block, i, qscale); - s->dsp.idct_put (dest, line_size, block); -} - -/* add block[] to dest[] */ -static inline void add_dct(MpegEncContext *s, - int16_t *block, int i, uint8_t *dest, int line_size) -{ - if (s->block_last_index[i] >= 0) { - s->dsp.idct_add (dest, line_size, block); - } -} - -static inline void add_dequant_dct(MpegEncContext *s, - int16_t *block, int i, uint8_t *dest, int line_size, int qscale) -{ - if (s->block_last_index[i] >= 0) { - s->dct_unquantize_inter(s, block, i, qscale); - - s->dsp.idct_add (dest, line_size, block); - } -} - -/** - * Clean dc, ac, coded_block for the current non-intra MB. - */ -void ff_clean_intra_table_entries(MpegEncContext *s) -{ - int wrap = s->b8_stride; - int xy = s->block_index[0]; - - s->dc_val[0][xy ] = - s->dc_val[0][xy + 1 ] = - s->dc_val[0][xy + wrap] = - s->dc_val[0][xy + 1 + wrap] = 1024; - /* ac pred */ - memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t)); - memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t)); - if (s->msmpeg4_version>=3) { - s->coded_block[xy ] = - s->coded_block[xy + 1 ] = - s->coded_block[xy + wrap] = - s->coded_block[xy + 1 + wrap] = 0; - } - /* chroma */ - wrap = s->mb_stride; - xy = s->mb_x + s->mb_y * wrap; - s->dc_val[1][xy] = - s->dc_val[2][xy] = 1024; - /* ac pred */ - memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t)); - memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t)); - - s->mbintra_table[xy]= 0; -} - -/* generic function called after a macroblock has been parsed by the - decoder or after it has been encoded by the encoder. - - Important variables used: - s->mb_intra : true if intra macroblock - s->mv_dir : motion vector direction - s->mv_type : motion vector type - s->mv : motion vector - s->interlaced_dct : true if interlaced dct used (mpeg2) - */ -static av_always_inline -void MPV_decode_mb_internal(MpegEncContext *s, int16_t block[12][64], - int lowres_flag, int is_mpeg12) -{ - const int mb_xy = s->mb_y * s->mb_stride + s->mb_x; - if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){ - ff_xvmc_decode_mb(s);//xvmc uses pblocks - return; - } - - if(s->avctx->debug&FF_DEBUG_DCT_COEFF) { - /* print DCT coefficients */ - int i,j; - av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y); - for(i=0; i<6; i++){ - for(j=0; j<64; j++){ - av_log(s->avctx, AV_LOG_DEBUG, "%5d", block[i][s->dsp.idct_permutation[j]]); - } - av_log(s->avctx, AV_LOG_DEBUG, "\n"); - } - } - - s->current_picture.qscale_table[mb_xy] = s->qscale; - - /* update DC predictors for P macroblocks */ - if (!s->mb_intra) { - if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) { - if(s->mbintra_table[mb_xy]) - ff_clean_intra_table_entries(s); - } else { - s->last_dc[0] = - s->last_dc[1] = - s->last_dc[2] = 128 << s->intra_dc_precision; - } - } - else if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) - s->mbintra_table[mb_xy]=1; - - if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==AV_PICTURE_TYPE_B) && s->avctx->mb_decision != FF_MB_DECISION_RD)) { //FIXME precalc - uint8_t *dest_y, *dest_cb, *dest_cr; - int dct_linesize, dct_offset; - op_pixels_func (*op_pix)[4]; - qpel_mc_func (*op_qpix)[16]; - const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics - const int uvlinesize = s->current_picture.f.linesize[1]; - const int readable= s->pict_type != AV_PICTURE_TYPE_B || s->encoding || s->avctx->draw_horiz_band || lowres_flag; - const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8; - - /* avoid copy if macroblock skipped in last frame too */ - /* skip only during decoding as we might trash the buffers during encoding a bit */ - if(!s->encoding){ - uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy]; - - if (s->mb_skipped) { - s->mb_skipped= 0; - av_assert2(s->pict_type!=AV_PICTURE_TYPE_I); - *mbskip_ptr = 1; - } else if(!s->current_picture.reference) { - *mbskip_ptr = 1; - } else{ - *mbskip_ptr = 0; /* not skipped */ - } - } - - dct_linesize = linesize << s->interlaced_dct; - dct_offset = s->interlaced_dct ? linesize : linesize * block_size; - - if(readable){ - dest_y= s->dest[0]; - dest_cb= s->dest[1]; - dest_cr= s->dest[2]; - }else{ - dest_y = s->b_scratchpad; - dest_cb= s->b_scratchpad+16*linesize; - dest_cr= s->b_scratchpad+32*linesize; - } - - if (!s->mb_intra) { - /* motion handling */ - /* decoding or more than one mb_type (MC was already done otherwise) */ - if(!s->encoding){ - - if(HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) { - if (s->mv_dir & MV_DIR_FORWARD) { - ff_thread_await_progress(&s->last_picture_ptr->tf, - ff_MPV_lowest_referenced_row(s, 0), - 0); - } - if (s->mv_dir & MV_DIR_BACKWARD) { - ff_thread_await_progress(&s->next_picture_ptr->tf, - ff_MPV_lowest_referenced_row(s, 1), - 0); - } - } - - if(lowres_flag){ - h264_chroma_mc_func *op_pix = s->h264chroma.put_h264_chroma_pixels_tab; - - if (s->mv_dir & MV_DIR_FORWARD) { - MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix); - op_pix = s->h264chroma.avg_h264_chroma_pixels_tab; - } - if (s->mv_dir & MV_DIR_BACKWARD) { - MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix); - } - }else{ - op_qpix= s->me.qpel_put; - if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){ - op_pix = s->hdsp.put_pixels_tab; - }else{ - op_pix = s->hdsp.put_no_rnd_pixels_tab; - } - if (s->mv_dir & MV_DIR_FORWARD) { - ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix, op_qpix); - op_pix = s->hdsp.avg_pixels_tab; - op_qpix= s->me.qpel_avg; - } - if (s->mv_dir & MV_DIR_BACKWARD) { - ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix, op_qpix); - } - } - } - - /* skip dequant / idct if we are really late ;) */ - if(s->avctx->skip_idct){ - if( (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B) - ||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I) - || s->avctx->skip_idct >= AVDISCARD_ALL) - goto skip_idct; - } - - /* add dct residue */ - if(s->encoding || !( s->msmpeg4_version || s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO - || (s->codec_id==AV_CODEC_ID_MPEG4 && !s->mpeg_quant))){ - add_dequant_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); - add_dequant_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); - add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); - add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); - - if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ - if (s->chroma_y_shift){ - add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); - add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); - }else{ - dct_linesize >>= 1; - dct_offset >>=1; - add_dequant_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); - add_dequant_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); - add_dequant_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); - add_dequant_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); - } - } - } else if(is_mpeg12 || (s->codec_id != AV_CODEC_ID_WMV2)){ - add_dct(s, block[0], 0, dest_y , dct_linesize); - add_dct(s, block[1], 1, dest_y + block_size, dct_linesize); - add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize); - add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize); - - if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ - if(s->chroma_y_shift){//Chroma420 - add_dct(s, block[4], 4, dest_cb, uvlinesize); - add_dct(s, block[5], 5, dest_cr, uvlinesize); - }else{ - //chroma422 - dct_linesize = uvlinesize << s->interlaced_dct; - dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size; - - add_dct(s, block[4], 4, dest_cb, dct_linesize); - add_dct(s, block[5], 5, dest_cr, dct_linesize); - add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize); - add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize); - if(!s->chroma_x_shift){//Chroma444 - add_dct(s, block[8], 8, dest_cb+block_size, dct_linesize); - add_dct(s, block[9], 9, dest_cr+block_size, dct_linesize); - add_dct(s, block[10], 10, dest_cb+block_size+dct_offset, dct_linesize); - add_dct(s, block[11], 11, dest_cr+block_size+dct_offset, dct_linesize); - } - } - }//fi gray - } - else if (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) { - ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr); - } - } else { - /* dct only in intra block */ - if(s->encoding || !(s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO)){ - put_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale); - put_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale); - put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale); - put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale); - - if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ - if(s->chroma_y_shift){ - put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale); - put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale); - }else{ - dct_offset >>=1; - dct_linesize >>=1; - put_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale); - put_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale); - put_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale); - put_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale); - } - } - }else{ - s->dsp.idct_put(dest_y , dct_linesize, block[0]); - s->dsp.idct_put(dest_y + block_size, dct_linesize, block[1]); - s->dsp.idct_put(dest_y + dct_offset , dct_linesize, block[2]); - s->dsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]); - - if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ - if(s->chroma_y_shift){ - s->dsp.idct_put(dest_cb, uvlinesize, block[4]); - s->dsp.idct_put(dest_cr, uvlinesize, block[5]); - }else{ - - dct_linesize = uvlinesize << s->interlaced_dct; - dct_offset = s->interlaced_dct? uvlinesize : uvlinesize*block_size; - - s->dsp.idct_put(dest_cb, dct_linesize, block[4]); - s->dsp.idct_put(dest_cr, dct_linesize, block[5]); - s->dsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]); - s->dsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]); - if(!s->chroma_x_shift){//Chroma444 - s->dsp.idct_put(dest_cb + block_size, dct_linesize, block[8]); - s->dsp.idct_put(dest_cr + block_size, dct_linesize, block[9]); - s->dsp.idct_put(dest_cb + block_size + dct_offset, dct_linesize, block[10]); - s->dsp.idct_put(dest_cr + block_size + dct_offset, dct_linesize, block[11]); - } - } - }//gray - } - } -skip_idct: - if(!readable){ - s->hdsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16); - s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift); - s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[2], dest_cr, uvlinesize,16 >> s->chroma_y_shift); - } - } -} - -void ff_MPV_decode_mb(MpegEncContext *s, int16_t block[12][64]){ -#if !CONFIG_SMALL - if(s->out_format == FMT_MPEG1) { - if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 1); - else MPV_decode_mb_internal(s, block, 0, 1); - } else -#endif - if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 0); - else MPV_decode_mb_internal(s, block, 0, 0); -} - -/** - * @param h is the normal height, this will be reduced automatically if needed for the last row - */ -void ff_draw_horiz_band(AVCodecContext *avctx, DSPContext *dsp, Picture *cur, - Picture *last, int y, int h, int picture_structure, - int first_field, int draw_edges, int low_delay, - int v_edge_pos, int h_edge_pos) -{ - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); - int hshift = desc->log2_chroma_w; - int vshift = desc->log2_chroma_h; - const int field_pic = picture_structure != PICT_FRAME; - if(field_pic){ - h <<= 1; - y <<= 1; - } - - if (!avctx->hwaccel && - !(avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) && - draw_edges && - cur->reference && - !(avctx->flags & CODEC_FLAG_EMU_EDGE)) { - int *linesize = cur->f.linesize; - int sides = 0, edge_h; - if (y==0) sides |= EDGE_TOP; - if (y + h >= v_edge_pos) - sides |= EDGE_BOTTOM; - - edge_h= FFMIN(h, v_edge_pos - y); - - dsp->draw_edges(cur->f.data[0] + y * linesize[0], - linesize[0], h_edge_pos, edge_h, - EDGE_WIDTH, EDGE_WIDTH, sides); - dsp->draw_edges(cur->f.data[1] + (y >> vshift) * linesize[1], - linesize[1], h_edge_pos >> hshift, edge_h >> vshift, - EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, sides); - dsp->draw_edges(cur->f.data[2] + (y >> vshift) * linesize[2], - linesize[2], h_edge_pos >> hshift, edge_h >> vshift, - EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, sides); - } - - h = FFMIN(h, avctx->height - y); - - if(field_pic && 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 || low_delay || - (avctx->slice_flags & SLICE_FLAG_CODED_ORDER)) - src = &cur->f; - else if (last) - src = &last->f; - else - return; - - if (cur->f.pict_type == AV_PICTURE_TYPE_B && - picture_structure == PICT_FRAME && - avctx->codec_id != AV_CODEC_ID_SVQ3) { - for (i = 0; i < AV_NUM_DATA_POINTERS; i++) - offset[i] = 0; - }else{ - 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, picture_structure, h); - } -} - -void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h) -{ - int draw_edges = s->unrestricted_mv && !s->intra_only; - ff_draw_horiz_band(s->avctx, &s->dsp, &s->current_picture, - &s->last_picture, y, h, s->picture_structure, - s->first_field, draw_edges, s->low_delay, - s->v_edge_pos, s->h_edge_pos); -} - -void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename - const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics - const int uvlinesize = s->current_picture.f.linesize[1]; - const int mb_size= 4 - s->avctx->lowres; - - s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2; - s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2; - s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2; - s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2; - s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; - s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1; - //block_index is not used by mpeg2, so it is not affected by chroma_format - - s->dest[0] = s->current_picture.f.data[0] + ((s->mb_x - 1) << mb_size); - s->dest[1] = s->current_picture.f.data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); - s->dest[2] = s->current_picture.f.data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); - - if(!(s->pict_type==AV_PICTURE_TYPE_B && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME)) - { - if(s->picture_structure==PICT_FRAME){ - s->dest[0] += s->mb_y * linesize << mb_size; - s->dest[1] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift); - s->dest[2] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift); - }else{ - s->dest[0] += (s->mb_y>>1) * linesize << mb_size; - s->dest[1] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift); - s->dest[2] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift); - av_assert1((s->mb_y&1) == (s->picture_structure == PICT_BOTTOM_FIELD)); - } - } -} - -/** - * Permute an 8x8 block. - * @param block the block which will be permuted according to the given permutation vector - * @param permutation the permutation vector - * @param last the last non zero coefficient in scantable order, used to speed the permutation up - * @param scantable the used scantable, this is only used to speed the permutation up, the block is not - * (inverse) permutated to scantable order! - */ -void ff_block_permute(int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last) -{ - int i; - int16_t temp[64]; - - if(last<=0) return; - //if(permutation[1]==1) return; //FIXME it is ok but not clean and might fail for some permutations - - for(i=0; i<=last; i++){ - const int j= scantable[i]; - temp[j]= block[j]; - block[j]=0; - } - - for(i=0; i<=last; i++){ - const int j= scantable[i]; - const int perm_j= permutation[j]; - block[perm_j]= temp[j]; - } -} - -void ff_mpeg_flush(AVCodecContext *avctx){ - int i; - MpegEncContext *s = avctx->priv_data; - - if(s==NULL || s->picture==NULL) - return; - - for (i = 0; i < MAX_PICTURE_COUNT; i++) - ff_mpeg_unref_picture(s, &s->picture[i]); - s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL; - - s->mb_x= s->mb_y= 0; - s->closed_gop= 0; - - s->parse_context.state= -1; - s->parse_context.frame_start_found= 0; - s->parse_context.overread= 0; - s->parse_context.overread_index= 0; - s->parse_context.index= 0; - s->parse_context.last_index= 0; - s->bitstream_buffer_size=0; - s->pp_time=0; -} - -static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - int i, level, nCoeffs; - const uint16_t *quant_matrix; - - nCoeffs= s->block_last_index[n]; - - block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; - /* XXX: only mpeg1 */ - quant_matrix = s->intra_matrix; - for(i=1;i<=nCoeffs;i++) { - int j= s->intra_scantable.permutated[i]; - level = block[j]; - if (level) { - if (level < 0) { - level = -level; - level = (int)(level * qscale * quant_matrix[j]) >> 3; - level = (level - 1) | 1; - level = -level; - } else { - level = (int)(level * qscale * quant_matrix[j]) >> 3; - level = (level - 1) | 1; - } - block[j] = level; - } - } -} - -static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - int i, level, nCoeffs; - const uint16_t *quant_matrix; - - nCoeffs= s->block_last_index[n]; - - quant_matrix = s->inter_matrix; - for(i=0; i<=nCoeffs; i++) { - int j= s->intra_scantable.permutated[i]; - level = block[j]; - if (level) { - if (level < 0) { - level = -level; - level = (((level << 1) + 1) * qscale * - ((int) (quant_matrix[j]))) >> 4; - level = (level - 1) | 1; - level = -level; - } else { - level = (((level << 1) + 1) * qscale * - ((int) (quant_matrix[j]))) >> 4; - level = (level - 1) | 1; - } - block[j] = level; - } - } -} - -static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - int i, level, nCoeffs; - const uint16_t *quant_matrix; - - if(s->alternate_scan) nCoeffs= 63; - else nCoeffs= s->block_last_index[n]; - - block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; - quant_matrix = s->intra_matrix; - for(i=1;i<=nCoeffs;i++) { - int j= s->intra_scantable.permutated[i]; - level = block[j]; - if (level) { - if (level < 0) { - level = -level; - level = (int)(level * qscale * quant_matrix[j]) >> 3; - level = -level; - } else { - level = (int)(level * qscale * quant_matrix[j]) >> 3; - } - block[j] = level; - } - } -} - -static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - int i, level, nCoeffs; - const uint16_t *quant_matrix; - int sum=-1; - - if(s->alternate_scan) nCoeffs= 63; - else nCoeffs= s->block_last_index[n]; - - block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; - sum += block[0]; - quant_matrix = s->intra_matrix; - for(i=1;i<=nCoeffs;i++) { - int j= s->intra_scantable.permutated[i]; - level = block[j]; - if (level) { - if (level < 0) { - level = -level; - level = (int)(level * qscale * quant_matrix[j]) >> 3; - level = -level; - } else { - level = (int)(level * qscale * quant_matrix[j]) >> 3; - } - block[j] = level; - sum+=level; - } - } - block[63]^=sum&1; -} - -static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - int i, level, nCoeffs; - const uint16_t *quant_matrix; - int sum=-1; - - if(s->alternate_scan) nCoeffs= 63; - else nCoeffs= s->block_last_index[n]; - - quant_matrix = s->inter_matrix; - for(i=0; i<=nCoeffs; i++) { - int j= s->intra_scantable.permutated[i]; - level = block[j]; - if (level) { - if (level < 0) { - level = -level; - level = (((level << 1) + 1) * qscale * - ((int) (quant_matrix[j]))) >> 4; - level = -level; - } else { - level = (((level << 1) + 1) * qscale * - ((int) (quant_matrix[j]))) >> 4; - } - block[j] = level; - sum+=level; - } - } - block[63]^=sum&1; -} - -static void dct_unquantize_h263_intra_c(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - int i, level, qmul, qadd; - int nCoeffs; - - assert(s->block_last_index[n]>=0); - - qmul = qscale << 1; - - if (!s->h263_aic) { - block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale; - qadd = (qscale - 1) | 1; - }else{ - qadd = 0; - } - if(s->ac_pred) - nCoeffs=63; - else - nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; - - for(i=1; i<=nCoeffs; i++) { - level = block[i]; - if (level) { - if (level < 0) { - level = level * qmul - qadd; - } else { - level = level * qmul + qadd; - } - block[i] = level; - } - } -} - -static void dct_unquantize_h263_inter_c(MpegEncContext *s, - int16_t *block, int n, int qscale) -{ - int i, level, qmul, qadd; - int nCoeffs; - - assert(s->block_last_index[n]>=0); - - qadd = (qscale - 1) | 1; - qmul = qscale << 1; - - nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; - - for(i=0; i<=nCoeffs; i++) { - level = block[i]; - if (level) { - if (level < 0) { - level = level * qmul - qadd; - } else { - level = level * qmul + qadd; - } - block[i] = level; - } - } -} - -/** - * set qscale and update qscale dependent variables. - */ -void ff_set_qscale(MpegEncContext * s, int qscale) -{ - if (qscale < 1) - qscale = 1; - else if (qscale > 31) - qscale = 31; - - s->qscale = qscale; - s->chroma_qscale= s->chroma_qscale_table[qscale]; - - s->y_dc_scale= s->y_dc_scale_table[ qscale ]; - s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ]; -} - -void ff_MPV_report_decode_progress(MpegEncContext *s) -{ - if (s->pict_type != AV_PICTURE_TYPE_B && !s->partitioned_frame && !s->er.error_occurred) - ff_thread_report_progress(&s->current_picture_ptr->tf, s->mb_y, 0); -} - -#if CONFIG_ERROR_RESILIENCE -void ff_mpeg_er_frame_start(MpegEncContext *s) -{ - ERContext *er = &s->er; - - er->cur_pic = s->current_picture_ptr; - er->last_pic = s->last_picture_ptr; - er->next_pic = s->next_picture_ptr; - - er->pp_time = s->pp_time; - er->pb_time = s->pb_time; - er->quarter_sample = s->quarter_sample; - er->partitioned_frame = s->partitioned_frame; - - ff_er_frame_start(er); -} -#endif /* CONFIG_ERROR_RESILIENCE */ |