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authorTim Redfern <tim@eclectronics.org>2014-02-17 13:36:38 +0000
committerTim Redfern <tim@eclectronics.org>2014-02-17 13:36:38 +0000
commit22e28216336da876e1fd17f380ce42eaf1446769 (patch)
tree444dad3dc7e2656992d29f34f7bce31970c122a5 /ffmpeg/libavcodec/mpegvideo_enc.c
parentae5e8541f6e06e64c28719467cdf366ac57aff31 (diff)
chasing indexing error
Diffstat (limited to 'ffmpeg/libavcodec/mpegvideo_enc.c')
-rw-r--r--ffmpeg/libavcodec/mpegvideo_enc.c4390
1 files changed, 0 insertions, 4390 deletions
diff --git a/ffmpeg/libavcodec/mpegvideo_enc.c b/ffmpeg/libavcodec/mpegvideo_enc.c
deleted file mode 100644
index 6bf3e38..0000000
--- a/ffmpeg/libavcodec/mpegvideo_enc.c
+++ /dev/null
@@ -1,4390 +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 <stdint.h>
-
-#include "libavutil/internal.h"
-#include "libavutil/intmath.h"
-#include "libavutil/mathematics.h"
-#include "libavutil/pixdesc.h"
-#include "libavutil/opt.h"
-#include "avcodec.h"
-#include "dct.h"
-#include "dsputil.h"
-#include "mpeg12.h"
-#include "mpegvideo.h"
-#include "h261.h"
-#include "h263.h"
-#include "mathops.h"
-#include "mjpegenc.h"
-#include "msmpeg4.h"
-#include "faandct.h"
-#include "thread.h"
-#include "aandcttab.h"
-#include "flv.h"
-#include "mpeg4video.h"
-#include "internal.h"
-#include "bytestream.h"
-#include <limits.h>
-#include "sp5x.h"
-
-static int encode_picture(MpegEncContext *s, int picture_number);
-static int dct_quantize_refine(MpegEncContext *s, int16_t *block, int16_t *weight, int16_t *orig, int n, int qscale);
-static int sse_mb(MpegEncContext *s);
-static void denoise_dct_c(MpegEncContext *s, int16_t *block);
-static int dct_quantize_trellis_c(MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow);
-
-static uint8_t default_mv_penalty[MAX_FCODE + 1][MAX_MV * 2 + 1];
-static uint8_t default_fcode_tab[MAX_MV * 2 + 1];
-
-const AVOption ff_mpv_generic_options[] = {
- FF_MPV_COMMON_OPTS
- { NULL },
-};
-
-void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64],
- uint16_t (*qmat16)[2][64],
- const uint16_t *quant_matrix,
- int bias, int qmin, int qmax, int intra)
-{
- int qscale;
- int shift = 0;
-
- for (qscale = qmin; qscale <= qmax; qscale++) {
- int i;
- if (dsp->fdct == ff_jpeg_fdct_islow_8 ||
- dsp->fdct == ff_jpeg_fdct_islow_10 ||
- dsp->fdct == ff_faandct) {
- for (i = 0; i < 64; i++) {
- const int j = dsp->idct_permutation[i];
- /* 16 <= qscale * quant_matrix[i] <= 7905
- * Assume x = ff_aanscales[i] * qscale * quant_matrix[i]
- * 19952 <= x <= 249205026
- * (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026
- * 3444240 >= (1 << 36) / (x) >= 275 */
-
- qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
- (qscale * quant_matrix[j]));
- }
- } else if (dsp->fdct == ff_fdct_ifast) {
- for (i = 0; i < 64; i++) {
- const int j = dsp->idct_permutation[i];
- /* 16 <= qscale * quant_matrix[i] <= 7905
- * Assume x = ff_aanscales[i] * qscale * quant_matrix[i]
- * 19952 <= x <= 249205026
- * (1 << 36) / 19952 >= (1 << 36) / (x) >= (1 << 36) / 249205026
- * 3444240 >= (1 << 36) / (x) >= 275 */
-
- qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
- (ff_aanscales[i] * (int64_t)qscale * quant_matrix[j]));
- }
- } else {
- for (i = 0; i < 64; i++) {
- const int j = dsp->idct_permutation[i];
- /* We can safely suppose that 16 <= quant_matrix[i] <= 255
- * Assume x = qscale * quant_matrix[i]
- * So 16 <= x <= 7905
- * so (1 << 19) / 16 >= (1 << 19) / (x) >= (1 << 19) / 7905
- * so 32768 >= (1 << 19) / (x) >= 67 */
- qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
- (qscale * quant_matrix[j]));
- //qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) /
- // (qscale * quant_matrix[i]);
- qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) /
- (qscale * quant_matrix[j]);
-
- if (qmat16[qscale][0][i] == 0 ||
- qmat16[qscale][0][i] == 128 * 256)
- qmat16[qscale][0][i] = 128 * 256 - 1;
- qmat16[qscale][1][i] =
- ROUNDED_DIV(bias << (16 - QUANT_BIAS_SHIFT),
- qmat16[qscale][0][i]);
- }
- }
-
- for (i = intra; i < 64; i++) {
- int64_t max = 8191;
- if (dsp->fdct == ff_fdct_ifast) {
- max = (8191LL * ff_aanscales[i]) >> 14;
- }
- while (((max * qmat[qscale][i]) >> shift) > INT_MAX) {
- shift++;
- }
- }
- }
- if (shift) {
- av_log(NULL, AV_LOG_INFO,
- "Warning, QMAT_SHIFT is larger than %d, overflows possible\n",
- QMAT_SHIFT - shift);
- }
-}
-
-static inline void update_qscale(MpegEncContext *s)
-{
- s->qscale = (s->lambda * 139 + FF_LAMBDA_SCALE * 64) >>
- (FF_LAMBDA_SHIFT + 7);
- s->qscale = av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
-
- s->lambda2 = (s->lambda * s->lambda + FF_LAMBDA_SCALE / 2) >>
- FF_LAMBDA_SHIFT;
-}
-
-void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix)
-{
- int i;
-
- if (matrix) {
- put_bits(pb, 1, 1);
- for (i = 0; i < 64; i++) {
- put_bits(pb, 8, matrix[ff_zigzag_direct[i]]);
- }
- } else
- put_bits(pb, 1, 0);
-}
-
-/**
- * init s->current_picture.qscale_table from s->lambda_table
- */
-void ff_init_qscale_tab(MpegEncContext *s)
-{
- int8_t * const qscale_table = s->current_picture.qscale_table;
- int i;
-
- for (i = 0; i < s->mb_num; i++) {
- unsigned int lam = s->lambda_table[s->mb_index2xy[i]];
- int qp = (lam * 139 + FF_LAMBDA_SCALE * 64) >> (FF_LAMBDA_SHIFT + 7);
- qscale_table[s->mb_index2xy[i]] = av_clip(qp, s->avctx->qmin,
- s->avctx->qmax);
- }
-}
-
-static void update_duplicate_context_after_me(MpegEncContext *dst,
- MpegEncContext *src)
-{
-#define COPY(a) dst->a= src->a
- COPY(pict_type);
- COPY(current_picture);
- COPY(f_code);
- COPY(b_code);
- COPY(qscale);
- COPY(lambda);
- COPY(lambda2);
- COPY(picture_in_gop_number);
- COPY(gop_picture_number);
- COPY(frame_pred_frame_dct); // FIXME don't set in encode_header
- COPY(progressive_frame); // FIXME don't set in encode_header
- COPY(partitioned_frame); // FIXME don't set in encode_header
-#undef COPY
-}
-
-/**
- * Set the given MpegEncContext to defaults for encoding.
- * the changed fields will not depend upon the prior state of the MpegEncContext.
- */
-static void MPV_encode_defaults(MpegEncContext *s)
-{
- int i;
- ff_MPV_common_defaults(s);
-
- for (i = -16; i < 16; i++) {
- default_fcode_tab[i + MAX_MV] = 1;
- }
- s->me.mv_penalty = default_mv_penalty;
- s->fcode_tab = default_fcode_tab;
-
- s->input_picture_number = 0;
- s->picture_in_gop_number = 0;
-}
-
-av_cold int ff_dct_encode_init(MpegEncContext *s) {
- if (ARCH_X86)
- ff_dct_encode_init_x86(s);
-
- ff_h263dsp_init(&s->h263dsp);
- if (!s->dct_quantize)
- s->dct_quantize = ff_dct_quantize_c;
- if (!s->denoise_dct)
- s->denoise_dct = denoise_dct_c;
- s->fast_dct_quantize = s->dct_quantize;
- if (s->avctx->trellis)
- s->dct_quantize = dct_quantize_trellis_c;
-
- return 0;
-}
-
-/* init video encoder */
-av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
-{
- MpegEncContext *s = avctx->priv_data;
- int i, ret;
-
- MPV_encode_defaults(s);
-
- switch (avctx->codec_id) {
- case AV_CODEC_ID_MPEG2VIDEO:
- if (avctx->pix_fmt != AV_PIX_FMT_YUV420P &&
- avctx->pix_fmt != AV_PIX_FMT_YUV422P) {
- av_log(avctx, AV_LOG_ERROR,
- "only YUV420 and YUV422 are supported\n");
- return -1;
- }
- break;
- case AV_CODEC_ID_MJPEG:
- case AV_CODEC_ID_AMV:
- if (avctx->pix_fmt != AV_PIX_FMT_YUVJ420P &&
- avctx->pix_fmt != AV_PIX_FMT_YUVJ422P &&
- avctx->pix_fmt != AV_PIX_FMT_YUVJ444P &&
- ((avctx->pix_fmt != AV_PIX_FMT_YUV420P &&
- avctx->pix_fmt != AV_PIX_FMT_YUV422P &&
- avctx->pix_fmt != AV_PIX_FMT_YUV444P) ||
- avctx->strict_std_compliance > FF_COMPLIANCE_UNOFFICIAL)) {
- av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
- return -1;
- }
- break;
- default:
- if (avctx->pix_fmt != AV_PIX_FMT_YUV420P) {
- av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
- return -1;
- }
- }
-
- switch (avctx->pix_fmt) {
- case AV_PIX_FMT_YUVJ444P:
- case AV_PIX_FMT_YUV444P:
- s->chroma_format = CHROMA_444;
- break;
- case AV_PIX_FMT_YUVJ422P:
- case AV_PIX_FMT_YUV422P:
- s->chroma_format = CHROMA_422;
- break;
- case AV_PIX_FMT_YUVJ420P:
- case AV_PIX_FMT_YUV420P:
- default:
- s->chroma_format = CHROMA_420;
- break;
- }
-
- s->bit_rate = avctx->bit_rate;
- s->width = avctx->width;
- s->height = avctx->height;
- if (avctx->gop_size > 600 &&
- avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
- av_log(avctx, AV_LOG_WARNING,
- "keyframe interval too large!, reducing it from %d to %d\n",
- avctx->gop_size, 600);
- avctx->gop_size = 600;
- }
- s->gop_size = avctx->gop_size;
- s->avctx = avctx;
- s->flags = avctx->flags;
- s->flags2 = avctx->flags2;
- if (avctx->max_b_frames > MAX_B_FRAMES) {
- av_log(avctx, AV_LOG_ERROR, "Too many B-frames requested, maximum "
- "is %d.\n", MAX_B_FRAMES);
- avctx->max_b_frames = MAX_B_FRAMES;
- }
- s->max_b_frames = avctx->max_b_frames;
- s->codec_id = avctx->codec->id;
- s->strict_std_compliance = avctx->strict_std_compliance;
- s->quarter_sample = (avctx->flags & CODEC_FLAG_QPEL) != 0;
- s->mpeg_quant = avctx->mpeg_quant;
- s->rtp_mode = !!avctx->rtp_payload_size;
- s->intra_dc_precision = avctx->intra_dc_precision;
- s->user_specified_pts = AV_NOPTS_VALUE;
-
- if (s->gop_size <= 1) {
- s->intra_only = 1;
- s->gop_size = 12;
- } else {
- s->intra_only = 0;
- }
-
- s->me_method = avctx->me_method;
-
- /* Fixed QSCALE */
- s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
-
- s->adaptive_quant = (s->avctx->lumi_masking ||
- s->avctx->dark_masking ||
- s->avctx->temporal_cplx_masking ||
- s->avctx->spatial_cplx_masking ||
- s->avctx->p_masking ||
- s->avctx->border_masking ||
- (s->mpv_flags & FF_MPV_FLAG_QP_RD)) &&
- !s->fixed_qscale;
-
- s->loop_filter = !!(s->flags & CODEC_FLAG_LOOP_FILTER);
-
- if (avctx->rc_max_rate && !avctx->rc_buffer_size) {
- switch(avctx->codec_id) {
- case AV_CODEC_ID_MPEG1VIDEO:
- case AV_CODEC_ID_MPEG2VIDEO:
- avctx->rc_buffer_size = FFMAX(avctx->rc_max_rate, 15000000) * 112L / 15000000 * 16384;
- break;
- case AV_CODEC_ID_MPEG4:
- case AV_CODEC_ID_MSMPEG4V1:
- case AV_CODEC_ID_MSMPEG4V2:
- case AV_CODEC_ID_MSMPEG4V3:
- if (avctx->rc_max_rate >= 15000000) {
- avctx->rc_buffer_size = 320 + (avctx->rc_max_rate - 15000000L) * (760-320) / (38400000 - 15000000);
- } else if(avctx->rc_max_rate >= 2000000) {
- avctx->rc_buffer_size = 80 + (avctx->rc_max_rate - 2000000L) * (320- 80) / (15000000 - 2000000);
- } else if(avctx->rc_max_rate >= 384000) {
- avctx->rc_buffer_size = 40 + (avctx->rc_max_rate - 384000L) * ( 80- 40) / ( 2000000 - 384000);
- } else
- avctx->rc_buffer_size = 40;
- avctx->rc_buffer_size *= 16384;
- break;
- }
- if (avctx->rc_buffer_size) {
- av_log(avctx, AV_LOG_INFO, "Automatically choosing VBV buffer size of %d kbyte\n", avctx->rc_buffer_size/8192);
- }
- }
-
- if ((!avctx->rc_max_rate) != (!avctx->rc_buffer_size)) {
- av_log(avctx, AV_LOG_ERROR, "Either both buffer size and max rate or neither must be specified\n");
- if (avctx->rc_max_rate && !avctx->rc_buffer_size)
- return -1;
- }
-
- if (avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate) {
- av_log(avctx, AV_LOG_INFO,
- "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
- }
-
- if (avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate) {
- av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
- return -1;
- }
-
- if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) {
- av_log(avctx, AV_LOG_ERROR, "bitrate above max bitrate\n");
- return -1;
- }
-
- if (avctx->rc_max_rate &&
- avctx->rc_max_rate == avctx->bit_rate &&
- avctx->rc_max_rate != avctx->rc_min_rate) {
- av_log(avctx, AV_LOG_INFO,
- "impossible bitrate constraints, this will fail\n");
- }
-
- if (avctx->rc_buffer_size &&
- avctx->bit_rate * (int64_t)avctx->time_base.num >
- avctx->rc_buffer_size * (int64_t)avctx->time_base.den) {
- av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
- return -1;
- }
-
- if (!s->fixed_qscale &&
- avctx->bit_rate * av_q2d(avctx->time_base) >
- avctx->bit_rate_tolerance) {
- av_log(avctx, AV_LOG_ERROR,
- "bitrate tolerance too small for bitrate\n");
- return -1;
- }
-
- if (s->avctx->rc_max_rate &&
- s->avctx->rc_min_rate == s->avctx->rc_max_rate &&
- (s->codec_id == AV_CODEC_ID_MPEG1VIDEO ||
- s->codec_id == AV_CODEC_ID_MPEG2VIDEO) &&
- 90000LL * (avctx->rc_buffer_size - 1) >
- s->avctx->rc_max_rate * 0xFFFFLL) {
- av_log(avctx, AV_LOG_INFO,
- "Warning vbv_delay will be set to 0xFFFF (=VBR) as the "
- "specified vbv buffer is too large for the given bitrate!\n");
- }
-
- if ((s->flags & CODEC_FLAG_4MV) && s->codec_id != AV_CODEC_ID_MPEG4 &&
- s->codec_id != AV_CODEC_ID_H263 && s->codec_id != AV_CODEC_ID_H263P &&
- s->codec_id != AV_CODEC_ID_FLV1) {
- av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
- return -1;
- }
-
- if (s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE) {
- av_log(avctx, AV_LOG_ERROR,
- "OBMC is only supported with simple mb decision\n");
- return -1;
- }
-
- if (s->quarter_sample && s->codec_id != AV_CODEC_ID_MPEG4) {
- av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
- return -1;
- }
-
- if (s->max_b_frames &&
- s->codec_id != AV_CODEC_ID_MPEG4 &&
- s->codec_id != AV_CODEC_ID_MPEG1VIDEO &&
- s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
- av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
- return -1;
- }
- if (s->max_b_frames < 0) {
- av_log(avctx, AV_LOG_ERROR,
- "max b frames must be 0 or positive for mpegvideo based encoders\n");
- return -1;
- }
-
- if ((s->codec_id == AV_CODEC_ID_MPEG4 ||
- s->codec_id == AV_CODEC_ID_H263 ||
- s->codec_id == AV_CODEC_ID_H263P) &&
- (avctx->sample_aspect_ratio.num > 255 ||
- avctx->sample_aspect_ratio.den > 255)) {
- av_log(avctx, AV_LOG_WARNING,
- "Invalid pixel aspect ratio %i/%i, limit is 255/255 reducing\n",
- avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
- av_reduce(&avctx->sample_aspect_ratio.num, &avctx->sample_aspect_ratio.den,
- avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 255);
- }
-
- if ((s->codec_id == AV_CODEC_ID_H263 ||
- s->codec_id == AV_CODEC_ID_H263P) &&
- (avctx->width > 2048 ||
- avctx->height > 1152 )) {
- av_log(avctx, AV_LOG_ERROR, "H.263 does not support resolutions above 2048x1152\n");
- return -1;
- }
- if ((s->codec_id == AV_CODEC_ID_H263 ||
- s->codec_id == AV_CODEC_ID_H263P) &&
- ((avctx->width &3) ||
- (avctx->height&3) )) {
- av_log(avctx, AV_LOG_ERROR, "w/h must be a multiple of 4\n");
- return -1;
- }
-
- if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO &&
- (avctx->width > 4095 ||
- avctx->height > 4095 )) {
- av_log(avctx, AV_LOG_ERROR, "MPEG-1 does not support resolutions above 4095x4095\n");
- return -1;
- }
-
- if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO &&
- (avctx->width > 16383 ||
- avctx->height > 16383 )) {
- av_log(avctx, AV_LOG_ERROR, "MPEG-2 does not support resolutions above 16383x16383\n");
- return -1;
- }
-
- if (s->codec_id == AV_CODEC_ID_RV10 &&
- (avctx->width &15 ||
- avctx->height&15 )) {
- av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 16\n");
- return AVERROR(EINVAL);
- }
-
- if (s->codec_id == AV_CODEC_ID_RV20 &&
- (avctx->width &3 ||
- avctx->height&3 )) {
- av_log(avctx, AV_LOG_ERROR, "width and height must be a multiple of 4\n");
- return AVERROR(EINVAL);
- }
-
- if ((s->codec_id == AV_CODEC_ID_WMV1 ||
- s->codec_id == AV_CODEC_ID_WMV2) &&
- avctx->width & 1) {
- av_log(avctx, AV_LOG_ERROR, "width must be multiple of 2\n");
- return -1;
- }
-
- if ((s->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME)) &&
- s->codec_id != AV_CODEC_ID_MPEG4 && s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
- av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
- return -1;
- }
-
- // FIXME mpeg2 uses that too
- if (s->mpeg_quant && ( s->codec_id != AV_CODEC_ID_MPEG4
- && s->codec_id != AV_CODEC_ID_MPEG2VIDEO)) {
- av_log(avctx, AV_LOG_ERROR,
- "mpeg2 style quantization not supported by codec\n");
- return -1;
- }
-
- if ((s->mpv_flags & FF_MPV_FLAG_CBP_RD) && !avctx->trellis) {
- av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
- return -1;
- }
-
- if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) &&
- s->avctx->mb_decision != FF_MB_DECISION_RD) {
- av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
- return -1;
- }
-
- if (s->avctx->scenechange_threshold < 1000000000 &&
- (s->flags & CODEC_FLAG_CLOSED_GOP)) {
- av_log(avctx, AV_LOG_ERROR,
- "closed gop with scene change detection are not supported yet, "
- "set threshold to 1000000000\n");
- return -1;
- }
-
- if (s->flags & CODEC_FLAG_LOW_DELAY) {
- if (s->codec_id != AV_CODEC_ID_MPEG2VIDEO) {
- av_log(avctx, AV_LOG_ERROR,
- "low delay forcing is only available for mpeg2\n");
- return -1;
- }
- if (s->max_b_frames != 0) {
- av_log(avctx, AV_LOG_ERROR,
- "b frames cannot be used with low delay\n");
- return -1;
- }
- }
-
- if (s->q_scale_type == 1) {
- if (avctx->qmax > 12) {
- av_log(avctx, AV_LOG_ERROR,
- "non linear quant only supports qmax <= 12 currently\n");
- return -1;
- }
- }
-
- if (s->avctx->thread_count > 1 &&
- s->codec_id != AV_CODEC_ID_MPEG4 &&
- s->codec_id != AV_CODEC_ID_MPEG1VIDEO &&
- s->codec_id != AV_CODEC_ID_MPEG2VIDEO &&
- s->codec_id != AV_CODEC_ID_MJPEG &&
- (s->codec_id != AV_CODEC_ID_H263P)) {
- av_log(avctx, AV_LOG_ERROR,
- "multi threaded encoding not supported by codec\n");
- return -1;
- }
-
- if (s->avctx->thread_count < 1) {
- av_log(avctx, AV_LOG_ERROR,
- "automatic thread number detection not supported by codec, "
- "patch welcome\n");
- return -1;
- }
-
- if (s->avctx->slices > 1 || s->avctx->thread_count > 1)
- s->rtp_mode = 1;
-
- if (s->avctx->thread_count > 1 && s->codec_id == AV_CODEC_ID_H263P)
- s->h263_slice_structured = 1;
-
- if (!avctx->time_base.den || !avctx->time_base.num) {
- av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
- return -1;
- }
-
- i = (INT_MAX / 2 + 128) >> 8;
- if (avctx->mb_threshold >= i) {
- av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n",
- i - 1);
- return -1;
- }
-
- if (avctx->b_frame_strategy && (avctx->flags & CODEC_FLAG_PASS2)) {
- av_log(avctx, AV_LOG_INFO,
- "notice: b_frame_strategy only affects the first pass\n");
- avctx->b_frame_strategy = 0;
- }
-
- i = av_gcd(avctx->time_base.den, avctx->time_base.num);
- if (i > 1) {
- av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
- avctx->time_base.den /= i;
- avctx->time_base.num /= i;
- //return -1;
- }
-
- if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO || s->codec_id == AV_CODEC_ID_MJPEG || s->codec_id==AV_CODEC_ID_AMV) {
- // (a + x * 3 / 8) / x
- s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3);
- s->inter_quant_bias = 0;
- } else {
- s->intra_quant_bias = 0;
- // (a - x / 4) / x
- s->inter_quant_bias = -(1 << (QUANT_BIAS_SHIFT - 2));
- }
-
- if (avctx->qmin > avctx->qmax || avctx->qmin <= 0) {
- av_log(avctx, AV_LOG_ERROR, "qmin and or qmax are invalid, they must be 0 < min <= max\n");
- return AVERROR(EINVAL);
- }
-
- if (avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
- s->intra_quant_bias = avctx->intra_quant_bias;
- if (avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
- s->inter_quant_bias = avctx->inter_quant_bias;
-
- av_log(avctx, AV_LOG_DEBUG, "intra_quant_bias = %d inter_quant_bias = %d\n",s->intra_quant_bias,s->inter_quant_bias);
-
- if (avctx->codec_id == AV_CODEC_ID_MPEG4 &&
- s->avctx->time_base.den > (1 << 16) - 1) {
- av_log(avctx, AV_LOG_ERROR,
- "timebase %d/%d not supported by MPEG 4 standard, "
- "the maximum admitted value for the timebase denominator "
- "is %d\n", s->avctx->time_base.num, s->avctx->time_base.den,
- (1 << 16) - 1);
- return -1;
- }
- s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
-
- switch (avctx->codec->id) {
- case AV_CODEC_ID_MPEG1VIDEO:
- s->out_format = FMT_MPEG1;
- s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY);
- avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1);
- break;
- case AV_CODEC_ID_MPEG2VIDEO:
- s->out_format = FMT_MPEG1;
- s->low_delay = !!(s->flags & CODEC_FLAG_LOW_DELAY);
- avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1);
- s->rtp_mode = 1;
- break;
- case AV_CODEC_ID_MJPEG:
- case AV_CODEC_ID_AMV:
- s->out_format = FMT_MJPEG;
- s->intra_only = 1; /* force intra only for jpeg */
- if (!CONFIG_MJPEG_ENCODER ||
- ff_mjpeg_encode_init(s) < 0)
- return -1;
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- case AV_CODEC_ID_H261:
- if (!CONFIG_H261_ENCODER)
- return -1;
- if (ff_h261_get_picture_format(s->width, s->height) < 0) {
- av_log(avctx, AV_LOG_ERROR,
- "The specified picture size of %dx%d is not valid for the "
- "H.261 codec.\nValid sizes are 176x144, 352x288\n",
- s->width, s->height);
- return -1;
- }
- s->out_format = FMT_H261;
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- case AV_CODEC_ID_H263:
- if (!CONFIG_H263_ENCODER)
- return -1;
- if (ff_match_2uint16(ff_h263_format, FF_ARRAY_ELEMS(ff_h263_format),
- s->width, s->height) == 8) {
- av_log(avctx, AV_LOG_ERROR,
- "The specified picture size of %dx%d is not valid for "
- "the H.263 codec.\nValid sizes are 128x96, 176x144, "
- "352x288, 704x576, and 1408x1152. "
- "Try H.263+.\n", s->width, s->height);
- return -1;
- }
- s->out_format = FMT_H263;
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- case AV_CODEC_ID_H263P:
- s->out_format = FMT_H263;
- s->h263_plus = 1;
- /* Fx */
- s->h263_aic = (avctx->flags & CODEC_FLAG_AC_PRED) ? 1 : 0;
- s->modified_quant = s->h263_aic;
- s->loop_filter = (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1 : 0;
- s->unrestricted_mv = s->obmc || s->loop_filter || s->umvplus;
-
- /* /Fx */
- /* These are just to be sure */
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- case AV_CODEC_ID_FLV1:
- s->out_format = FMT_H263;
- s->h263_flv = 2; /* format = 1; 11-bit codes */
- s->unrestricted_mv = 1;
- s->rtp_mode = 0; /* don't allow GOB */
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- case AV_CODEC_ID_RV10:
- s->out_format = FMT_H263;
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- case AV_CODEC_ID_RV20:
- s->out_format = FMT_H263;
- avctx->delay = 0;
- s->low_delay = 1;
- s->modified_quant = 1;
- s->h263_aic = 1;
- s->h263_plus = 1;
- s->loop_filter = 1;
- s->unrestricted_mv = 0;
- break;
- case AV_CODEC_ID_MPEG4:
- s->out_format = FMT_H263;
- s->h263_pred = 1;
- s->unrestricted_mv = 1;
- s->low_delay = s->max_b_frames ? 0 : 1;
- avctx->delay = s->low_delay ? 0 : (s->max_b_frames + 1);
- break;
- case AV_CODEC_ID_MSMPEG4V2:
- s->out_format = FMT_H263;
- s->h263_pred = 1;
- s->unrestricted_mv = 1;
- s->msmpeg4_version = 2;
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- case AV_CODEC_ID_MSMPEG4V3:
- s->out_format = FMT_H263;
- s->h263_pred = 1;
- s->unrestricted_mv = 1;
- s->msmpeg4_version = 3;
- s->flipflop_rounding = 1;
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- case AV_CODEC_ID_WMV1:
- s->out_format = FMT_H263;
- s->h263_pred = 1;
- s->unrestricted_mv = 1;
- s->msmpeg4_version = 4;
- s->flipflop_rounding = 1;
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- case AV_CODEC_ID_WMV2:
- s->out_format = FMT_H263;
- s->h263_pred = 1;
- s->unrestricted_mv = 1;
- s->msmpeg4_version = 5;
- s->flipflop_rounding = 1;
- avctx->delay = 0;
- s->low_delay = 1;
- break;
- default:
- return -1;
- }
-
- avctx->has_b_frames = !s->low_delay;
-
- s->encoding = 1;
-
- s->progressive_frame =
- s->progressive_sequence = !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT |
- CODEC_FLAG_INTERLACED_ME) ||
- s->alternate_scan);
-
- /* init */
- if (ff_MPV_common_init(s) < 0)
- return -1;
-
- s->avctx->coded_frame = &s->current_picture.f;
-
- 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_dct_encode_init(s);
-
- if ((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
- s->chroma_qscale_table = ff_h263_chroma_qscale_table;
-
- s->quant_precision = 5;
-
- ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
- ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
-
- if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
- ff_h261_encode_init(s);
- if (CONFIG_H263_ENCODER && s->out_format == FMT_H263)
- ff_h263_encode_init(s);
- if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
- ff_msmpeg4_encode_init(s);
- if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
- && s->out_format == FMT_MPEG1)
- ff_mpeg1_encode_init(s);
-
- /* init q matrix */
- for (i = 0; i < 64; i++) {
- int j = s->dsp.idct_permutation[i];
- if (CONFIG_MPEG4_ENCODER && s->codec_id == AV_CODEC_ID_MPEG4 &&
- s->mpeg_quant) {
- s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
- s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
- } else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) {
- s->intra_matrix[j] =
- s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
- } else {
- /* mpeg1/2 */
- s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
- s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
- }
- if (s->avctx->intra_matrix)
- s->intra_matrix[j] = s->avctx->intra_matrix[i];
- if (s->avctx->inter_matrix)
- s->inter_matrix[j] = s->avctx->inter_matrix[i];
- }
-
- /* precompute matrix */
- /* for mjpeg, we do include qscale in the matrix */
- if (s->out_format != FMT_MJPEG) {
- ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
- s->intra_matrix, s->intra_quant_bias, avctx->qmin,
- 31, 1);
- ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
- s->inter_matrix, s->inter_quant_bias, avctx->qmin,
- 31, 0);
- }
-
- if (ff_rate_control_init(s) < 0)
- return -1;
-
-#if FF_API_ERROR_RATE
- FF_DISABLE_DEPRECATION_WARNINGS
- if (avctx->error_rate)
- s->error_rate = avctx->error_rate;
- FF_ENABLE_DEPRECATION_WARNINGS;
-#endif
-
- if (avctx->b_frame_strategy == 2) {
- for (i = 0; i < s->max_b_frames + 2; i++) {
- s->tmp_frames[i] = av_frame_alloc();
- if (!s->tmp_frames[i])
- return AVERROR(ENOMEM);
-
- s->tmp_frames[i]->format = AV_PIX_FMT_YUV420P;
- s->tmp_frames[i]->width = s->width >> avctx->brd_scale;
- s->tmp_frames[i]->height = s->height >> avctx->brd_scale;
-
- ret = av_frame_get_buffer(s->tmp_frames[i], 32);
- if (ret < 0)
- return ret;
- }
- }
-
- return 0;
-fail:
- ff_MPV_encode_end(avctx);
- return AVERROR_UNKNOWN;
-}
-
-av_cold int ff_MPV_encode_end(AVCodecContext *avctx)
-{
- MpegEncContext *s = avctx->priv_data;
- int i;
-
- ff_rate_control_uninit(s);
-
- ff_MPV_common_end(s);
- if (CONFIG_MJPEG_ENCODER &&
- s->out_format == FMT_MJPEG)
- ff_mjpeg_encode_close(s);
-
- av_freep(&avctx->extradata);
-
- for (i = 0; i < FF_ARRAY_ELEMS(s->tmp_frames); i++)
- av_frame_free(&s->tmp_frames[i]);
-
- ff_free_picture_tables(&s->new_picture);
- ff_mpeg_unref_picture(s, &s->new_picture);
-
- 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);
-
- return 0;
-}
-
-static int get_sae(uint8_t *src, int ref, int stride)
-{
- int x,y;
- int acc = 0;
-
- for (y = 0; y < 16; y++) {
- for (x = 0; x < 16; x++) {
- acc += FFABS(src[x + y * stride] - ref);
- }
- }
-
- return acc;
-}
-
-static int get_intra_count(MpegEncContext *s, uint8_t *src,
- uint8_t *ref, int stride)
-{
- int x, y, w, h;
- int acc = 0;
-
- w = s->width & ~15;
- h = s->height & ~15;
-
- for (y = 0; y < h; y += 16) {
- for (x = 0; x < w; x += 16) {
- int offset = x + y * stride;
- int sad = s->dsp.sad[0](NULL, src + offset, ref + offset, stride,
- 16);
- int mean = (s->dsp.pix_sum(src + offset, stride) + 128) >> 8;
- int sae = get_sae(src + offset, mean, stride);
-
- acc += sae + 500 < sad;
- }
- }
- return acc;
-}
-
-
-static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
-{
- Picture *pic = NULL;
- int64_t pts;
- int i, display_picture_number = 0, ret;
- const int encoding_delay = s->max_b_frames ? s->max_b_frames :
- (s->low_delay ? 0 : 1);
- int direct = 1;
-
- if (pic_arg) {
- pts = pic_arg->pts;
- display_picture_number = s->input_picture_number++;
-
- if (pts != AV_NOPTS_VALUE) {
- if (s->user_specified_pts != AV_NOPTS_VALUE) {
- int64_t last = s->user_specified_pts;
-
- if (pts <= last) {
- av_log(s->avctx, AV_LOG_ERROR,
- "Invalid pts (%"PRId64") <= last (%"PRId64")\n",
- pts, last);
- return AVERROR(EINVAL);
- }
-
- if (!s->low_delay && display_picture_number == 1)
- s->dts_delta = pts - last;
- }
- s->user_specified_pts = pts;
- } else {
- if (s->user_specified_pts != AV_NOPTS_VALUE) {
- s->user_specified_pts =
- pts = s->user_specified_pts + 1;
- av_log(s->avctx, AV_LOG_INFO,
- "Warning: AVFrame.pts=? trying to guess (%"PRId64")\n",
- pts);
- } else {
- pts = display_picture_number;
- }
- }
- }
-
- if (pic_arg) {
- if (!pic_arg->buf[0])
- direct = 0;
- if (pic_arg->linesize[0] != s->linesize)
- direct = 0;
- if (pic_arg->linesize[1] != s->uvlinesize)
- direct = 0;
- if (pic_arg->linesize[2] != s->uvlinesize)
- direct = 0;
-
- av_dlog(s->avctx, "%d %d %td %td\n", pic_arg->linesize[0],
- pic_arg->linesize[1], s->linesize, s->uvlinesize);
-
- if (direct) {
- i = ff_find_unused_picture(s, 1);
- if (i < 0)
- return i;
-
- pic = &s->picture[i];
- pic->reference = 3;
-
- if ((ret = av_frame_ref(&pic->f, pic_arg)) < 0)
- return ret;
- if (ff_alloc_picture(s, pic, 1) < 0) {
- return -1;
- }
- } else {
- i = ff_find_unused_picture(s, 0);
- if (i < 0)
- return i;
-
- pic = &s->picture[i];
- pic->reference = 3;
-
- if (ff_alloc_picture(s, pic, 0) < 0) {
- return -1;
- }
-
- if (pic->f.data[0] + INPLACE_OFFSET == pic_arg->data[0] &&
- pic->f.data[1] + INPLACE_OFFSET == pic_arg->data[1] &&
- pic->f.data[2] + INPLACE_OFFSET == pic_arg->data[2]) {
- // empty
- } else {
- int h_chroma_shift, v_chroma_shift;
- av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
- &h_chroma_shift,
- &v_chroma_shift);
-
- for (i = 0; i < 3; i++) {
- int src_stride = pic_arg->linesize[i];
- int dst_stride = i ? s->uvlinesize : s->linesize;
- int h_shift = i ? h_chroma_shift : 0;
- int v_shift = i ? v_chroma_shift : 0;
- int w = s->width >> h_shift;
- int h = s->height >> v_shift;
- uint8_t *src = pic_arg->data[i];
- uint8_t *dst = pic->f.data[i];
-
- if (s->codec_id == AV_CODEC_ID_AMV && !(s->avctx->flags & CODEC_FLAG_EMU_EDGE)) {
- h = ((s->height + 15)/16*16) >> v_shift;
- }
-
- if (!s->avctx->rc_buffer_size)
- dst += INPLACE_OFFSET;
-
- if (src_stride == dst_stride)
- memcpy(dst, src, src_stride * h);
- else {
- int h2 = h;
- uint8_t *dst2 = dst;
- while (h2--) {
- memcpy(dst2, src, w);
- dst2 += dst_stride;
- src += src_stride;
- }
- }
- if ((s->width & 15) || (s->height & 15)) {
- s->dsp.draw_edges(dst, dst_stride,
- w, h,
- 16>>h_shift,
- 16>>v_shift,
- EDGE_BOTTOM);
- }
- }
- }
- }
- ret = av_frame_copy_props(&pic->f, pic_arg);
- if (ret < 0)
- return ret;
-
- pic->f.display_picture_number = display_picture_number;
- pic->f.pts = pts; // we set this here to avoid modifiying pic_arg
- }
-
- /* shift buffer entries */
- for (i = 1; i < MAX_PICTURE_COUNT /*s->encoding_delay + 1*/; i++)
- s->input_picture[i - 1] = s->input_picture[i];
-
- s->input_picture[encoding_delay] = (Picture*) pic;
-
- return 0;
-}
-
-static int skip_check(MpegEncContext *s, Picture *p, Picture *ref)
-{
- int x, y, plane;
- int score = 0;
- int64_t score64 = 0;
-
- for (plane = 0; plane < 3; plane++) {
- const int stride = p->f.linesize[plane];
- const int bw = plane ? 1 : 2;
- for (y = 0; y < s->mb_height * bw; y++) {
- for (x = 0; x < s->mb_width * bw; x++) {
- int off = p->shared ? 0 : 16;
- uint8_t *dptr = p->f.data[plane] + 8 * (x + y * stride) + off;
- uint8_t *rptr = ref->f.data[plane] + 8 * (x + y * stride);
- int v = s->dsp.frame_skip_cmp[1](s, dptr, rptr, stride, 8);
-
- switch (s->avctx->frame_skip_exp) {
- case 0: score = FFMAX(score, v); break;
- case 1: score += FFABS(v); break;
- case 2: score64 += v * (int64_t)v; break;
- case 3: score64 += FFABS(v * (int64_t)v * v); break;
- case 4: score64 += (v * (int64_t)v) * (v * (int64_t)v); break;
- }
- }
- }
- }
-
- if (score)
- score64 = score;
-
- if (score64 < s->avctx->frame_skip_threshold)
- return 1;
- if (score64 < ((s->avctx->frame_skip_factor * (int64_t)s->lambda) >> 8))
- return 1;
- return 0;
-}
-
-static int encode_frame(AVCodecContext *c, AVFrame *frame)
-{
- AVPacket pkt = { 0 };
- int ret, got_output;
-
- av_init_packet(&pkt);
- ret = avcodec_encode_video2(c, &pkt, frame, &got_output);
- if (ret < 0)
- return ret;
-
- ret = pkt.size;
- av_free_packet(&pkt);
- return ret;
-}
-
-static int estimate_best_b_count(MpegEncContext *s)
-{
- AVCodec *codec = avcodec_find_encoder(s->avctx->codec_id);
- AVCodecContext *c = avcodec_alloc_context3(NULL);
- const int scale = s->avctx->brd_scale;
- int i, j, out_size, p_lambda, b_lambda, lambda2;
- int64_t best_rd = INT64_MAX;
- int best_b_count = -1;
-
- av_assert0(scale >= 0 && scale <= 3);
-
- //emms_c();
- //s->next_picture_ptr->quality;
- p_lambda = s->last_lambda_for[AV_PICTURE_TYPE_P];
- //p_lambda * FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
- b_lambda = s->last_lambda_for[AV_PICTURE_TYPE_B];
- if (!b_lambda) // FIXME we should do this somewhere else
- b_lambda = p_lambda;
- lambda2 = (b_lambda * b_lambda + (1 << FF_LAMBDA_SHIFT) / 2) >>
- FF_LAMBDA_SHIFT;
-
- c->width = s->width >> scale;
- c->height = s->height >> scale;
- c->flags = CODEC_FLAG_QSCALE | CODEC_FLAG_PSNR |
- CODEC_FLAG_INPUT_PRESERVED /*| CODEC_FLAG_EMU_EDGE*/;
- c->flags |= s->avctx->flags & CODEC_FLAG_QPEL;
- c->mb_decision = s->avctx->mb_decision;
- c->me_cmp = s->avctx->me_cmp;
- c->mb_cmp = s->avctx->mb_cmp;
- c->me_sub_cmp = s->avctx->me_sub_cmp;
- c->pix_fmt = AV_PIX_FMT_YUV420P;
- c->time_base = s->avctx->time_base;
- c->max_b_frames = s->max_b_frames;
-
- if (avcodec_open2(c, codec, NULL) < 0)
- return -1;
-
- for (i = 0; i < s->max_b_frames + 2; i++) {
- Picture pre_input, *pre_input_ptr = i ? s->input_picture[i - 1] :
- s->next_picture_ptr;
-
- if (pre_input_ptr && (!i || s->input_picture[i - 1])) {
- pre_input = *pre_input_ptr;
-
- if (!pre_input.shared && i) {
- pre_input.f.data[0] += INPLACE_OFFSET;
- pre_input.f.data[1] += INPLACE_OFFSET;
- pre_input.f.data[2] += INPLACE_OFFSET;
- }
-
- s->dsp.shrink[scale](s->tmp_frames[i]->data[0], s->tmp_frames[i]->linesize[0],
- pre_input.f.data[0], pre_input.f.linesize[0],
- c->width, c->height);
- s->dsp.shrink[scale](s->tmp_frames[i]->data[1], s->tmp_frames[i]->linesize[1],
- pre_input.f.data[1], pre_input.f.linesize[1],
- c->width >> 1, c->height >> 1);
- s->dsp.shrink[scale](s->tmp_frames[i]->data[2], s->tmp_frames[i]->linesize[2],
- pre_input.f.data[2], pre_input.f.linesize[2],
- c->width >> 1, c->height >> 1);
- }
- }
-
- for (j = 0; j < s->max_b_frames + 1; j++) {
- int64_t rd = 0;
-
- if (!s->input_picture[j])
- break;
-
- c->error[0] = c->error[1] = c->error[2] = 0;
-
- s->tmp_frames[0]->pict_type = AV_PICTURE_TYPE_I;
- s->tmp_frames[0]->quality = 1 * FF_QP2LAMBDA;
-
- out_size = encode_frame(c, s->tmp_frames[0]);
-
- //rd += (out_size * lambda2) >> FF_LAMBDA_SHIFT;
-
- for (i = 0; i < s->max_b_frames + 1; i++) {
- int is_p = i % (j + 1) == j || i == s->max_b_frames;
-
- s->tmp_frames[i + 1]->pict_type = is_p ?
- AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_B;
- s->tmp_frames[i + 1]->quality = is_p ? p_lambda : b_lambda;
-
- out_size = encode_frame(c, s->tmp_frames[i + 1]);
-
- rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
- }
-
- /* get the delayed frames */
- while (out_size) {
- out_size = encode_frame(c, NULL);
- rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
- }
-
- rd += c->error[0] + c->error[1] + c->error[2];
-
- if (rd < best_rd) {
- best_rd = rd;
- best_b_count = j;
- }
- }
-
- avcodec_close(c);
- av_freep(&c);
-
- return best_b_count;
-}
-
-static int select_input_picture(MpegEncContext *s)
-{
- int i, ret;
-
- for (i = 1; i < MAX_PICTURE_COUNT; i++)
- s->reordered_input_picture[i - 1] = s->reordered_input_picture[i];
- s->reordered_input_picture[MAX_PICTURE_COUNT - 1] = NULL;
-
- /* set next picture type & ordering */
- if (s->reordered_input_picture[0] == NULL && s->input_picture[0]) {
- if (s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor) {
- if (s->picture_in_gop_number < s->gop_size &&
- s->next_picture_ptr &&
- skip_check(s, s->input_picture[0], s->next_picture_ptr)) {
- // FIXME check that te gop check above is +-1 correct
- av_frame_unref(&s->input_picture[0]->f);
-
- emms_c();
- ff_vbv_update(s, 0);
-
- goto no_output_pic;
- }
- }
-
- if (/*s->picture_in_gop_number >= s->gop_size ||*/
- s->next_picture_ptr == NULL || s->intra_only) {
- s->reordered_input_picture[0] = s->input_picture[0];
- s->reordered_input_picture[0]->f.pict_type = AV_PICTURE_TYPE_I;
- s->reordered_input_picture[0]->f.coded_picture_number =
- s->coded_picture_number++;
- } else {
- int b_frames;
-
- if (s->flags & CODEC_FLAG_PASS2) {
- for (i = 0; i < s->max_b_frames + 1; i++) {
- int pict_num = s->input_picture[0]->f.display_picture_number + i;
-
- if (pict_num >= s->rc_context.num_entries)
- break;
- if (!s->input_picture[i]) {
- s->rc_context.entry[pict_num - 1].new_pict_type = AV_PICTURE_TYPE_P;
- break;
- }
-
- s->input_picture[i]->f.pict_type =
- s->rc_context.entry[pict_num].new_pict_type;
- }
- }
-
- if (s->avctx->b_frame_strategy == 0) {
- b_frames = s->max_b_frames;
- while (b_frames && !s->input_picture[b_frames])
- b_frames--;
- } else if (s->avctx->b_frame_strategy == 1) {
- for (i = 1; i < s->max_b_frames + 1; i++) {
- if (s->input_picture[i] &&
- s->input_picture[i]->b_frame_score == 0) {
- s->input_picture[i]->b_frame_score =
- get_intra_count(s,
- s->input_picture[i ]->f.data[0],
- s->input_picture[i - 1]->f.data[0],
- s->linesize) + 1;
- }
- }
- for (i = 0; i < s->max_b_frames + 1; i++) {
- if (s->input_picture[i] == NULL ||
- s->input_picture[i]->b_frame_score - 1 >
- s->mb_num / s->avctx->b_sensitivity)
- break;
- }
-
- b_frames = FFMAX(0, i - 1);
-
- /* reset scores */
- for (i = 0; i < b_frames + 1; i++) {
- s->input_picture[i]->b_frame_score = 0;
- }
- } else if (s->avctx->b_frame_strategy == 2) {
- b_frames = estimate_best_b_count(s);
- } else {
- av_log(s->avctx, AV_LOG_ERROR, "illegal b frame strategy\n");
- b_frames = 0;
- }
-
- emms_c();
-
- for (i = b_frames - 1; i >= 0; i--) {
- int type = s->input_picture[i]->f.pict_type;
- if (type && type != AV_PICTURE_TYPE_B)
- b_frames = i;
- }
- if (s->input_picture[b_frames]->f.pict_type == AV_PICTURE_TYPE_B &&
- b_frames == s->max_b_frames) {
- av_log(s->avctx, AV_LOG_ERROR,
- "warning, too many b frames in a row\n");
- }
-
- if (s->picture_in_gop_number + b_frames >= s->gop_size) {
- if ((s->mpv_flags & FF_MPV_FLAG_STRICT_GOP) &&
- s->gop_size > s->picture_in_gop_number) {
- b_frames = s->gop_size - s->picture_in_gop_number - 1;
- } else {
- if (s->flags & CODEC_FLAG_CLOSED_GOP)
- b_frames = 0;
- s->input_picture[b_frames]->f.pict_type = AV_PICTURE_TYPE_I;
- }
- }
-
- if ((s->flags & CODEC_FLAG_CLOSED_GOP) && b_frames &&
- s->input_picture[b_frames]->f.pict_type == AV_PICTURE_TYPE_I)
- b_frames--;
-
- s->reordered_input_picture[0] = s->input_picture[b_frames];
- if (s->reordered_input_picture[0]->f.pict_type != AV_PICTURE_TYPE_I)
- s->reordered_input_picture[0]->f.pict_type = AV_PICTURE_TYPE_P;
- s->reordered_input_picture[0]->f.coded_picture_number =
- s->coded_picture_number++;
- for (i = 0; i < b_frames; i++) {
- s->reordered_input_picture[i + 1] = s->input_picture[i];
- s->reordered_input_picture[i + 1]->f.pict_type =
- AV_PICTURE_TYPE_B;
- s->reordered_input_picture[i + 1]->f.coded_picture_number =
- s->coded_picture_number++;
- }
- }
- }
-no_output_pic:
- if (s->reordered_input_picture[0]) {
- s->reordered_input_picture[0]->reference =
- s->reordered_input_picture[0]->f.pict_type !=
- AV_PICTURE_TYPE_B ? 3 : 0;
-
- ff_mpeg_unref_picture(s, &s->new_picture);
- if ((ret = ff_mpeg_ref_picture(s, &s->new_picture, s->reordered_input_picture[0])))
- return ret;
-
- if (s->reordered_input_picture[0]->shared || s->avctx->rc_buffer_size) {
- // input is a shared pix, so we can't modifiy it -> alloc a new
- // one & ensure that the shared one is reuseable
-
- Picture *pic;
- int i = ff_find_unused_picture(s, 0);
- if (i < 0)
- return i;
- pic = &s->picture[i];
-
- pic->reference = s->reordered_input_picture[0]->reference;
- if (ff_alloc_picture(s, pic, 0) < 0) {
- return -1;
- }
-
- ret = av_frame_copy_props(&pic->f, &s->reordered_input_picture[0]->f);
- if (ret < 0)
- return ret;
-
- /* mark us unused / free shared pic */
- av_frame_unref(&s->reordered_input_picture[0]->f);
- s->reordered_input_picture[0]->shared = 0;
-
- s->current_picture_ptr = pic;
- } else {
- // input is not a shared pix -> reuse buffer for current_pix
- s->current_picture_ptr = s->reordered_input_picture[0];
- for (i = 0; i < 4; i++) {
- s->new_picture.f.data[i] += INPLACE_OFFSET;
- }
- }
- 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;
-
- s->picture_number = s->new_picture.f.display_picture_number;
- } else {
- ff_mpeg_unref_picture(s, &s->new_picture);
- }
- return 0;
-}
-
-static void frame_end(MpegEncContext *s)
-{
- if (s->unrestricted_mv &&
- s->current_picture.reference &&
- !s->intra_only) {
- 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;
-
- s->avctx->coded_frame = &s->current_picture_ptr->f;
-
-}
-
-int ff_MPV_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
- AVFrame *pic_arg, int *got_packet)
-{
- MpegEncContext *s = avctx->priv_data;
- int i, stuffing_count, ret;
- int context_count = s->slice_context_count;
-
- s->picture_in_gop_number++;
-
- if (load_input_picture(s, pic_arg) < 0)
- return -1;
-
- if (select_input_picture(s) < 0) {
- return -1;
- }
-
- /* output? */
- if (s->new_picture.f.data[0]) {
- if ((ret = ff_alloc_packet2(avctx, pkt, s->mb_width*s->mb_height*(MAX_MB_BYTES+100)+10000)) < 0)
- return ret;
- if (s->mb_info) {
- s->mb_info_ptr = av_packet_new_side_data(pkt,
- AV_PKT_DATA_H263_MB_INFO,
- s->mb_width*s->mb_height*12);
- s->prev_mb_info = s->last_mb_info = s->mb_info_size = 0;
- }
-
- for (i = 0; i < context_count; i++) {
- int start_y = s->thread_context[i]->start_mb_y;
- int end_y = s->thread_context[i]-> end_mb_y;
- int h = s->mb_height;
- uint8_t *start = pkt->data + (size_t)(((int64_t) pkt->size) * start_y / h);
- uint8_t *end = pkt->data + (size_t)(((int64_t) pkt->size) * end_y / h);
-
- init_put_bits(&s->thread_context[i]->pb, start, end - start);
- }
-
- s->pict_type = s->new_picture.f.pict_type;
- //emms_c();
- if (ff_MPV_frame_start(s, avctx) < 0)
- return -1;
-vbv_retry:
- if (encode_picture(s, s->picture_number) < 0)
- return -1;
-
- avctx->header_bits = s->header_bits;
- avctx->mv_bits = s->mv_bits;
- avctx->misc_bits = s->misc_bits;
- avctx->i_tex_bits = s->i_tex_bits;
- avctx->p_tex_bits = s->p_tex_bits;
- avctx->i_count = s->i_count;
- // FIXME f/b_count in avctx
- avctx->p_count = s->mb_num - s->i_count - s->skip_count;
- avctx->skip_count = s->skip_count;
-
- frame_end(s);
-
- if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
- ff_mjpeg_encode_picture_trailer(&s->pb, s->header_bits);
-
- if (avctx->rc_buffer_size) {
- RateControlContext *rcc = &s->rc_context;
- int max_size = rcc->buffer_index * avctx->rc_max_available_vbv_use;
-
- if (put_bits_count(&s->pb) > max_size &&
- s->lambda < s->avctx->lmax) {
- s->next_lambda = FFMAX(s->lambda + 1, s->lambda *
- (s->qscale + 1) / s->qscale);
- if (s->adaptive_quant) {
- int i;
- for (i = 0; i < s->mb_height * s->mb_stride; i++)
- s->lambda_table[i] =
- FFMAX(s->lambda_table[i] + 1,
- s->lambda_table[i] * (s->qscale + 1) /
- s->qscale);
- }
- s->mb_skipped = 0; // done in MPV_frame_start()
- // done in encode_picture() so we must undo it
- if (s->pict_type == AV_PICTURE_TYPE_P) {
- if (s->flipflop_rounding ||
- s->codec_id == AV_CODEC_ID_H263P ||
- s->codec_id == AV_CODEC_ID_MPEG4)
- s->no_rounding ^= 1;
- }
- if (s->pict_type != AV_PICTURE_TYPE_B) {
- s->time_base = s->last_time_base;
- s->last_non_b_time = s->time - s->pp_time;
- }
- for (i = 0; i < context_count; i++) {
- PutBitContext *pb = &s->thread_context[i]->pb;
- init_put_bits(pb, pb->buf, pb->buf_end - pb->buf);
- }
- goto vbv_retry;
- }
-
- assert(s->avctx->rc_max_rate);
- }
-
- if (s->flags & CODEC_FLAG_PASS1)
- ff_write_pass1_stats(s);
-
- for (i = 0; i < 4; i++) {
- s->current_picture_ptr->f.error[i] = s->current_picture.f.error[i];
- avctx->error[i] += s->current_picture_ptr->f.error[i];
- }
-
- if (s->flags & CODEC_FLAG_PASS1)
- assert(avctx->header_bits + avctx->mv_bits + avctx->misc_bits +
- avctx->i_tex_bits + avctx->p_tex_bits ==
- put_bits_count(&s->pb));
- flush_put_bits(&s->pb);
- s->frame_bits = put_bits_count(&s->pb);
-
- stuffing_count = ff_vbv_update(s, s->frame_bits);
- s->stuffing_bits = 8*stuffing_count;
- if (stuffing_count) {
- if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) <
- stuffing_count + 50) {
- av_log(s->avctx, AV_LOG_ERROR, "stuffing too large\n");
- return -1;
- }
-
- switch (s->codec_id) {
- case AV_CODEC_ID_MPEG1VIDEO:
- case AV_CODEC_ID_MPEG2VIDEO:
- while (stuffing_count--) {
- put_bits(&s->pb, 8, 0);
- }
- break;
- case AV_CODEC_ID_MPEG4:
- put_bits(&s->pb, 16, 0);
- put_bits(&s->pb, 16, 0x1C3);
- stuffing_count -= 4;
- while (stuffing_count--) {
- put_bits(&s->pb, 8, 0xFF);
- }
- break;
- default:
- av_log(s->avctx, AV_LOG_ERROR, "vbv buffer overflow\n");
- }
- flush_put_bits(&s->pb);
- s->frame_bits = put_bits_count(&s->pb);
- }
-
- /* update mpeg1/2 vbv_delay for CBR */
- if (s->avctx->rc_max_rate &&
- s->avctx->rc_min_rate == s->avctx->rc_max_rate &&
- s->out_format == FMT_MPEG1 &&
- 90000LL * (avctx->rc_buffer_size - 1) <=
- s->avctx->rc_max_rate * 0xFFFFLL) {
- int vbv_delay, min_delay;
- double inbits = s->avctx->rc_max_rate *
- av_q2d(s->avctx->time_base);
- int minbits = s->frame_bits - 8 *
- (s->vbv_delay_ptr - s->pb.buf - 1);
- double bits = s->rc_context.buffer_index + minbits - inbits;
-
- if (bits < 0)
- av_log(s->avctx, AV_LOG_ERROR,
- "Internal error, negative bits\n");
-
- assert(s->repeat_first_field == 0);
-
- vbv_delay = bits * 90000 / s->avctx->rc_max_rate;
- min_delay = (minbits * 90000LL + s->avctx->rc_max_rate - 1) /
- s->avctx->rc_max_rate;
-
- vbv_delay = FFMAX(vbv_delay, min_delay);
-
- av_assert0(vbv_delay < 0xFFFF);
-
- s->vbv_delay_ptr[0] &= 0xF8;
- s->vbv_delay_ptr[0] |= vbv_delay >> 13;
- s->vbv_delay_ptr[1] = vbv_delay >> 5;
- s->vbv_delay_ptr[2] &= 0x07;
- s->vbv_delay_ptr[2] |= vbv_delay << 3;
- avctx->vbv_delay = vbv_delay * 300;
- }
- s->total_bits += s->frame_bits;
- avctx->frame_bits = s->frame_bits;
-
- pkt->pts = s->current_picture.f.pts;
- if (!s->low_delay && s->pict_type != AV_PICTURE_TYPE_B) {
- if (!s->current_picture.f.coded_picture_number)
- pkt->dts = pkt->pts - s->dts_delta;
- else
- pkt->dts = s->reordered_pts;
- s->reordered_pts = pkt->pts;
- } else
- pkt->dts = pkt->pts;
- if (s->current_picture.f.key_frame)
- pkt->flags |= AV_PKT_FLAG_KEY;
- if (s->mb_info)
- av_packet_shrink_side_data(pkt, AV_PKT_DATA_H263_MB_INFO, s->mb_info_size);
- } else {
- s->frame_bits = 0;
- }
-
- /* 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]);
- }
-
- assert((s->frame_bits & 7) == 0);
-
- pkt->size = s->frame_bits / 8;
- *got_packet = !!pkt->size;
- return 0;
-}
-
-static inline void dct_single_coeff_elimination(MpegEncContext *s,
- int n, int threshold)
-{
- static const char tab[64] = {
- 3, 2, 2, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0
- };
- int score = 0;
- int run = 0;
- int i;
- int16_t *block = s->block[n];
- const int last_index = s->block_last_index[n];
- int skip_dc;
-
- if (threshold < 0) {
- skip_dc = 0;
- threshold = -threshold;
- } else
- skip_dc = 1;
-
- /* Are all we could set to zero already zero? */
- if (last_index <= skip_dc - 1)
- return;
-
- for (i = 0; i <= last_index; i++) {
- const int j = s->intra_scantable.permutated[i];
- const int level = FFABS(block[j]);
- if (level == 1) {
- if (skip_dc && i == 0)
- continue;
- score += tab[run];
- run = 0;
- } else if (level > 1) {
- return;
- } else {
- run++;
- }
- }
- if (score >= threshold)
- return;
- for (i = skip_dc; i <= last_index; i++) {
- const int j = s->intra_scantable.permutated[i];
- block[j] = 0;
- }
- if (block[0])
- s->block_last_index[n] = 0;
- else
- s->block_last_index[n] = -1;
-}
-
-static inline void clip_coeffs(MpegEncContext *s, int16_t *block,
- int last_index)
-{
- int i;
- const int maxlevel = s->max_qcoeff;
- const int minlevel = s->min_qcoeff;
- int overflow = 0;
-
- if (s->mb_intra) {
- i = 1; // skip clipping of intra dc
- } else
- i = 0;
-
- for (; i <= last_index; i++) {
- const int j = s->intra_scantable.permutated[i];
- int level = block[j];
-
- if (level > maxlevel) {
- level = maxlevel;
- overflow++;
- } else if (level < minlevel) {
- level = minlevel;
- overflow++;
- }
-
- block[j] = level;
- }
-
- if (overflow && s->avctx->mb_decision == FF_MB_DECISION_SIMPLE)
- av_log(s->avctx, AV_LOG_INFO,
- "warning, clipping %d dct coefficients to %d..%d\n",
- overflow, minlevel, maxlevel);
-}
-
-static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride)
-{
- int x, y;
- // FIXME optimize
- for (y = 0; y < 8; y++) {
- for (x = 0; x < 8; x++) {
- int x2, y2;
- int sum = 0;
- int sqr = 0;
- int count = 0;
-
- for (y2 = FFMAX(y - 1, 0); y2 < FFMIN(8, y + 2); y2++) {
- for (x2= FFMAX(x - 1, 0); x2 < FFMIN(8, x + 2); x2++) {
- int v = ptr[x2 + y2 * stride];
- sum += v;
- sqr += v * v;
- count++;
- }
- }
- weight[x + 8 * y]= (36 * ff_sqrt(count * sqr - sum * sum)) / count;
- }
- }
-}
-
-static av_always_inline void encode_mb_internal(MpegEncContext *s,
- int motion_x, int motion_y,
- int mb_block_height,
- int mb_block_width,
- int mb_block_count)
-{
- int16_t weight[12][64];
- int16_t orig[12][64];
- const int mb_x = s->mb_x;
- const int mb_y = s->mb_y;
- int i;
- int skip_dct[12];
- int dct_offset = s->linesize * 8; // default for progressive frames
- int uv_dct_offset = s->uvlinesize * 8;
- uint8_t *ptr_y, *ptr_cb, *ptr_cr;
- ptrdiff_t wrap_y, wrap_c;
-
- for (i = 0; i < mb_block_count; i++)
- skip_dct[i] = s->skipdct;
-
- if (s->adaptive_quant) {
- const int last_qp = s->qscale;
- const int mb_xy = mb_x + mb_y * s->mb_stride;
-
- s->lambda = s->lambda_table[mb_xy];
- update_qscale(s);
-
- if (!(s->mpv_flags & FF_MPV_FLAG_QP_RD)) {
- s->qscale = s->current_picture_ptr->qscale_table[mb_xy];
- s->dquant = s->qscale - last_qp;
-
- if (s->out_format == FMT_H263) {
- s->dquant = av_clip(s->dquant, -2, 2);
-
- if (s->codec_id == AV_CODEC_ID_MPEG4) {
- if (!s->mb_intra) {
- if (s->pict_type == AV_PICTURE_TYPE_B) {
- if (s->dquant & 1 || s->mv_dir & MV_DIRECT)
- s->dquant = 0;
- }
- if (s->mv_type == MV_TYPE_8X8)
- s->dquant = 0;
- }
- }
- }
- }
- ff_set_qscale(s, last_qp + s->dquant);
- } else if (s->mpv_flags & FF_MPV_FLAG_QP_RD)
- ff_set_qscale(s, s->qscale + s->dquant);
-
- wrap_y = s->linesize;
- wrap_c = s->uvlinesize;
- ptr_y = s->new_picture.f.data[0] +
- (mb_y * 16 * wrap_y) + mb_x * 16;
- ptr_cb = s->new_picture.f.data[1] +
- (mb_y * mb_block_height * wrap_c) + mb_x * mb_block_width;
- ptr_cr = s->new_picture.f.data[2] +
- (mb_y * mb_block_height * wrap_c) + mb_x * mb_block_width;
-
- if((mb_x * 16 + 16 > s->width || mb_y * 16 + 16 > s->height) && s->codec_id != AV_CODEC_ID_AMV){
- uint8_t *ebuf = s->edge_emu_buffer + 32;
- int cw = (s->width + s->chroma_x_shift) >> s->chroma_x_shift;
- int ch = (s->height + s->chroma_y_shift) >> s->chroma_y_shift;
- s->vdsp.emulated_edge_mc(ebuf, ptr_y,
- wrap_y, wrap_y,
- 16, 16, mb_x * 16, mb_y * 16,
- s->width, s->height);
- ptr_y = ebuf;
- s->vdsp.emulated_edge_mc(ebuf + 18 * wrap_y, ptr_cb,
- wrap_c, wrap_c,
- mb_block_width, mb_block_height,
- mb_x * mb_block_width, mb_y * mb_block_height,
- cw, ch);
- ptr_cb = ebuf + 18 * wrap_y;
- s->vdsp.emulated_edge_mc(ebuf + 18 * wrap_y + 16, ptr_cr,
- wrap_c, wrap_c,
- mb_block_width, mb_block_height,
- mb_x * mb_block_width, mb_y * mb_block_height,
- cw, ch);
- ptr_cr = ebuf + 18 * wrap_y + 16;
- }
-
- if (s->mb_intra) {
- if (s->flags & CODEC_FLAG_INTERLACED_DCT) {
- int progressive_score, interlaced_score;
-
- s->interlaced_dct = 0;
- progressive_score = s->dsp.ildct_cmp[4](s, ptr_y,
- NULL, wrap_y, 8) +
- s->dsp.ildct_cmp[4](s, ptr_y + wrap_y * 8,
- NULL, wrap_y, 8) - 400;
-
- if (progressive_score > 0) {
- interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y,
- NULL, wrap_y * 2, 8) +
- s->dsp.ildct_cmp[4](s, ptr_y + wrap_y,
- NULL, wrap_y * 2, 8);
- if (progressive_score > interlaced_score) {
- s->interlaced_dct = 1;
-
- dct_offset = wrap_y;
- uv_dct_offset = wrap_c;
- wrap_y <<= 1;
- if (s->chroma_format == CHROMA_422 ||
- s->chroma_format == CHROMA_444)
- wrap_c <<= 1;
- }
- }
- }
-
- s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
- s->dsp.get_pixels(s->block[1], ptr_y + 8 , wrap_y);
- s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
- s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8 , wrap_y);
-
- if (s->flags & CODEC_FLAG_GRAY) {
- skip_dct[4] = 1;
- skip_dct[5] = 1;
- } else {
- s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
- s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
- if (!s->chroma_y_shift && s->chroma_x_shift) { /* 422 */
- s->dsp.get_pixels(s->block[6], ptr_cb + uv_dct_offset, wrap_c);
- s->dsp.get_pixels(s->block[7], ptr_cr + uv_dct_offset, wrap_c);
- } else if (!s->chroma_y_shift && !s->chroma_x_shift) { /* 444 */
- s->dsp.get_pixels(s->block[6], ptr_cb + 8, wrap_c);
- s->dsp.get_pixels(s->block[7], ptr_cr + 8, wrap_c);
- s->dsp.get_pixels(s->block[8], ptr_cb + uv_dct_offset, wrap_c);
- s->dsp.get_pixels(s->block[9], ptr_cr + uv_dct_offset, wrap_c);
- s->dsp.get_pixels(s->block[10], ptr_cb + uv_dct_offset + 8, wrap_c);
- s->dsp.get_pixels(s->block[11], ptr_cr + uv_dct_offset + 8, wrap_c);
- }
- }
- } else {
- op_pixels_func (*op_pix)[4];
- qpel_mc_func (*op_qpix)[16];
- uint8_t *dest_y, *dest_cb, *dest_cr;
-
- dest_y = s->dest[0];
- dest_cb = s->dest[1];
- dest_cr = s->dest[2];
-
- if ((!s->no_rounding) || s->pict_type == AV_PICTURE_TYPE_B) {
- op_pix = s->hdsp.put_pixels_tab;
- op_qpix = s->dsp.put_qpel_pixels_tab;
- } else {
- op_pix = s->hdsp.put_no_rnd_pixels_tab;
- op_qpix = s->dsp.put_no_rnd_qpel_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->dsp.avg_qpel_pixels_tab;
- }
- 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);
- }
-
- if (s->flags & CODEC_FLAG_INTERLACED_DCT) {
- int progressive_score, interlaced_score;
-
- s->interlaced_dct = 0;
- progressive_score = s->dsp.ildct_cmp[0](s, dest_y,
- ptr_y, wrap_y,
- 8) +
- s->dsp.ildct_cmp[0](s, dest_y + wrap_y * 8,
- ptr_y + wrap_y * 8, wrap_y,
- 8) - 400;
-
- if (s->avctx->ildct_cmp == FF_CMP_VSSE)
- progressive_score -= 400;
-
- if (progressive_score > 0) {
- interlaced_score = s->dsp.ildct_cmp[0](s, dest_y,
- ptr_y,
- wrap_y * 2, 8) +
- s->dsp.ildct_cmp[0](s, dest_y + wrap_y,
- ptr_y + wrap_y,
- wrap_y * 2, 8);
-
- if (progressive_score > interlaced_score) {
- s->interlaced_dct = 1;
-
- dct_offset = wrap_y;
- uv_dct_offset = wrap_c;
- wrap_y <<= 1;
- if (s->chroma_format == CHROMA_422)
- wrap_c <<= 1;
- }
- }
- }
-
- s->dsp.diff_pixels(s->block[0], ptr_y, dest_y, wrap_y);
- s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
- s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset,
- dest_y + dct_offset, wrap_y);
- s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8,
- dest_y + dct_offset + 8, wrap_y);
-
- if (s->flags & CODEC_FLAG_GRAY) {
- skip_dct[4] = 1;
- skip_dct[5] = 1;
- } else {
- s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
- s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
- if (!s->chroma_y_shift) { /* 422 */
- s->dsp.diff_pixels(s->block[6], ptr_cb + uv_dct_offset,
- dest_cb + uv_dct_offset, wrap_c);
- s->dsp.diff_pixels(s->block[7], ptr_cr + uv_dct_offset,
- dest_cr + uv_dct_offset, wrap_c);
- }
- }
- /* pre quantization */
- if (s->current_picture.mc_mb_var[s->mb_stride * mb_y + mb_x] <
- 2 * s->qscale * s->qscale) {
- // FIXME optimize
- if (s->dsp.sad[1](NULL, ptr_y , dest_y,
- wrap_y, 8) < 20 * s->qscale)
- skip_dct[0] = 1;
- if (s->dsp.sad[1](NULL, ptr_y + 8,
- dest_y + 8, wrap_y, 8) < 20 * s->qscale)
- skip_dct[1] = 1;
- if (s->dsp.sad[1](NULL, ptr_y + dct_offset,
- dest_y + dct_offset, wrap_y, 8) < 20 * s->qscale)
- skip_dct[2] = 1;
- if (s->dsp.sad[1](NULL, ptr_y + dct_offset + 8,
- dest_y + dct_offset + 8,
- wrap_y, 8) < 20 * s->qscale)
- skip_dct[3] = 1;
- if (s->dsp.sad[1](NULL, ptr_cb, dest_cb,
- wrap_c, 8) < 20 * s->qscale)
- skip_dct[4] = 1;
- if (s->dsp.sad[1](NULL, ptr_cr, dest_cr,
- wrap_c, 8) < 20 * s->qscale)
- skip_dct[5] = 1;
- if (!s->chroma_y_shift) { /* 422 */
- if (s->dsp.sad[1](NULL, ptr_cb + uv_dct_offset,
- dest_cb + uv_dct_offset,
- wrap_c, 8) < 20 * s->qscale)
- skip_dct[6] = 1;
- if (s->dsp.sad[1](NULL, ptr_cr + uv_dct_offset,
- dest_cr + uv_dct_offset,
- wrap_c, 8) < 20 * s->qscale)
- skip_dct[7] = 1;
- }
- }
- }
-
- if (s->quantizer_noise_shaping) {
- if (!skip_dct[0])
- get_visual_weight(weight[0], ptr_y , wrap_y);
- if (!skip_dct[1])
- get_visual_weight(weight[1], ptr_y + 8, wrap_y);
- if (!skip_dct[2])
- get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
- if (!skip_dct[3])
- get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
- if (!skip_dct[4])
- get_visual_weight(weight[4], ptr_cb , wrap_c);
- if (!skip_dct[5])
- get_visual_weight(weight[5], ptr_cr , wrap_c);
- if (!s->chroma_y_shift) { /* 422 */
- if (!skip_dct[6])
- get_visual_weight(weight[6], ptr_cb + uv_dct_offset,
- wrap_c);
- if (!skip_dct[7])
- get_visual_weight(weight[7], ptr_cr + uv_dct_offset,
- wrap_c);
- }
- memcpy(orig[0], s->block[0], sizeof(int16_t) * 64 * mb_block_count);
- }
-
- /* DCT & quantize */
- av_assert2(s->out_format != FMT_MJPEG || s->qscale == 8);
- {
- for (i = 0; i < mb_block_count; i++) {
- if (!skip_dct[i]) {
- int overflow;
- s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
- // FIXME we could decide to change to quantizer instead of
- // clipping
- // JS: I don't think that would be a good idea it could lower
- // quality instead of improve it. Just INTRADC clipping
- // deserves changes in quantizer
- if (overflow)
- clip_coeffs(s, s->block[i], s->block_last_index[i]);
- } else
- s->block_last_index[i] = -1;
- }
- if (s->quantizer_noise_shaping) {
- for (i = 0; i < mb_block_count; i++) {
- if (!skip_dct[i]) {
- s->block_last_index[i] =
- dct_quantize_refine(s, s->block[i], weight[i],
- orig[i], i, s->qscale);
- }
- }
- }
-
- if (s->luma_elim_threshold && !s->mb_intra)
- for (i = 0; i < 4; i++)
- dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
- if (s->chroma_elim_threshold && !s->mb_intra)
- for (i = 4; i < mb_block_count; i++)
- dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
-
- if (s->mpv_flags & FF_MPV_FLAG_CBP_RD) {
- for (i = 0; i < mb_block_count; i++) {
- if (s->block_last_index[i] == -1)
- s->coded_score[i] = INT_MAX / 256;
- }
- }
- }
-
- if ((s->flags & CODEC_FLAG_GRAY) && s->mb_intra) {
- s->block_last_index[4] =
- s->block_last_index[5] = 0;
- s->block[4][0] =
- s->block[5][0] = (1024 + s->c_dc_scale / 2) / s->c_dc_scale;
- if (!s->chroma_y_shift) { /* 422 / 444 */
- for (i=6; i<12; i++) {
- s->block_last_index[i] = 0;
- s->block[i][0] = s->block[4][0];
- }
- }
- }
-
- // non c quantize code returns incorrect block_last_index FIXME
- if (s->alternate_scan && s->dct_quantize != ff_dct_quantize_c) {
- for (i = 0; i < mb_block_count; i++) {
- int j;
- if (s->block_last_index[i] > 0) {
- for (j = 63; j > 0; j--) {
- if (s->block[i][s->intra_scantable.permutated[j]])
- break;
- }
- s->block_last_index[i] = j;
- }
- }
- }
-
- /* huffman encode */
- switch(s->codec_id){ //FIXME funct ptr could be slightly faster
- case AV_CODEC_ID_MPEG1VIDEO:
- case AV_CODEC_ID_MPEG2VIDEO:
- if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
- ff_mpeg1_encode_mb(s, s->block, motion_x, motion_y);
- break;
- case AV_CODEC_ID_MPEG4:
- if (CONFIG_MPEG4_ENCODER)
- ff_mpeg4_encode_mb(s, s->block, motion_x, motion_y);
- break;
- case AV_CODEC_ID_MSMPEG4V2:
- case AV_CODEC_ID_MSMPEG4V3:
- case AV_CODEC_ID_WMV1:
- if (CONFIG_MSMPEG4_ENCODER)
- ff_msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
- break;
- case AV_CODEC_ID_WMV2:
- if (CONFIG_WMV2_ENCODER)
- ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
- break;
- case AV_CODEC_ID_H261:
- if (CONFIG_H261_ENCODER)
- ff_h261_encode_mb(s, s->block, motion_x, motion_y);
- break;
- case AV_CODEC_ID_H263:
- case AV_CODEC_ID_H263P:
- case AV_CODEC_ID_FLV1:
- case AV_CODEC_ID_RV10:
- case AV_CODEC_ID_RV20:
- if (CONFIG_H263_ENCODER)
- ff_h263_encode_mb(s, s->block, motion_x, motion_y);
- break;
- case AV_CODEC_ID_MJPEG:
- case AV_CODEC_ID_AMV:
- if (CONFIG_MJPEG_ENCODER)
- ff_mjpeg_encode_mb(s, s->block);
- break;
- default:
- av_assert1(0);
- }
-}
-
-static av_always_inline void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
-{
- if (s->chroma_format == CHROMA_420) encode_mb_internal(s, motion_x, motion_y, 8, 8, 6);
- else if (s->chroma_format == CHROMA_422) encode_mb_internal(s, motion_x, motion_y, 16, 8, 8);
- else encode_mb_internal(s, motion_x, motion_y, 16, 16, 12);
-}
-
-static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
- int i;
-
- memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop?
-
- /* mpeg1 */
- d->mb_skip_run= s->mb_skip_run;
- for(i=0; i<3; i++)
- d->last_dc[i] = s->last_dc[i];
-
- /* statistics */
- d->mv_bits= s->mv_bits;
- d->i_tex_bits= s->i_tex_bits;
- d->p_tex_bits= s->p_tex_bits;
- d->i_count= s->i_count;
- d->f_count= s->f_count;
- d->b_count= s->b_count;
- d->skip_count= s->skip_count;
- d->misc_bits= s->misc_bits;
- d->last_bits= 0;
-
- d->mb_skipped= 0;
- d->qscale= s->qscale;
- d->dquant= s->dquant;
-
- d->esc3_level_length= s->esc3_level_length;
-}
-
-static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
- int i;
-
- memcpy(d->mv, s->mv, 2*4*2*sizeof(int));
- memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster than a loop?
-
- /* mpeg1 */
- d->mb_skip_run= s->mb_skip_run;
- for(i=0; i<3; i++)
- d->last_dc[i] = s->last_dc[i];
-
- /* statistics */
- d->mv_bits= s->mv_bits;
- d->i_tex_bits= s->i_tex_bits;
- d->p_tex_bits= s->p_tex_bits;
- d->i_count= s->i_count;
- d->f_count= s->f_count;
- d->b_count= s->b_count;
- d->skip_count= s->skip_count;
- d->misc_bits= s->misc_bits;
-
- d->mb_intra= s->mb_intra;
- d->mb_skipped= s->mb_skipped;
- d->mv_type= s->mv_type;
- d->mv_dir= s->mv_dir;
- d->pb= s->pb;
- if(s->data_partitioning){
- d->pb2= s->pb2;
- d->tex_pb= s->tex_pb;
- }
- d->block= s->block;
- for(i=0; i<8; i++)
- d->block_last_index[i]= s->block_last_index[i];
- d->interlaced_dct= s->interlaced_dct;
- d->qscale= s->qscale;
-
- d->esc3_level_length= s->esc3_level_length;
-}
-
-static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type,
- PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
- int *dmin, int *next_block, int motion_x, int motion_y)
-{
- int score;
- uint8_t *dest_backup[3];
-
- copy_context_before_encode(s, backup, type);
-
- s->block= s->blocks[*next_block];
- s->pb= pb[*next_block];
- if(s->data_partitioning){
- s->pb2 = pb2 [*next_block];
- s->tex_pb= tex_pb[*next_block];
- }
-
- if(*next_block){
- memcpy(dest_backup, s->dest, sizeof(s->dest));
- s->dest[0] = s->rd_scratchpad;
- s->dest[1] = s->rd_scratchpad + 16*s->linesize;
- s->dest[2] = s->rd_scratchpad + 16*s->linesize + 8;
- assert(s->linesize >= 32); //FIXME
- }
-
- encode_mb(s, motion_x, motion_y);
-
- score= put_bits_count(&s->pb);
- if(s->data_partitioning){
- score+= put_bits_count(&s->pb2);
- score+= put_bits_count(&s->tex_pb);
- }
-
- if(s->avctx->mb_decision == FF_MB_DECISION_RD){
- ff_MPV_decode_mb(s, s->block);
-
- score *= s->lambda2;
- score += sse_mb(s) << FF_LAMBDA_SHIFT;
- }
-
- if(*next_block){
- memcpy(s->dest, dest_backup, sizeof(s->dest));
- }
-
- if(score<*dmin){
- *dmin= score;
- *next_block^=1;
-
- copy_context_after_encode(best, s, type);
- }
-}
-
-static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
- uint32_t *sq = ff_squareTbl + 256;
- int acc=0;
- int x,y;
-
- if(w==16 && h==16)
- return s->dsp.sse[0](NULL, src1, src2, stride, 16);
- else if(w==8 && h==8)
- return s->dsp.sse[1](NULL, src1, src2, stride, 8);
-
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
- }
- }
-
- av_assert2(acc>=0);
-
- return acc;
-}
-
-static int sse_mb(MpegEncContext *s){
- int w= 16;
- int h= 16;
-
- if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
- if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
-
- if(w==16 && h==16)
- if(s->avctx->mb_cmp == FF_CMP_NSSE){
- return s->dsp.nsse[0](s, s->new_picture.f.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16)
- +s->dsp.nsse[1](s, s->new_picture.f.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8)
- +s->dsp.nsse[1](s, s->new_picture.f.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8);
- }else{
- return s->dsp.sse[0](NULL, s->new_picture.f.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize, 16)
- +s->dsp.sse[1](NULL, s->new_picture.f.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize, 8)
- +s->dsp.sse[1](NULL, s->new_picture.f.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize, 8);
- }
- else
- return sse(s, s->new_picture.f.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize)
- +sse(s, s->new_picture.f.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[1], w>>1, h>>1, s->uvlinesize)
- +sse(s, s->new_picture.f.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize);
-}
-
-static int pre_estimate_motion_thread(AVCodecContext *c, void *arg){
- MpegEncContext *s= *(void**)arg;
-
-
- s->me.pre_pass=1;
- s->me.dia_size= s->avctx->pre_dia_size;
- s->first_slice_line=1;
- for(s->mb_y= s->end_mb_y-1; s->mb_y >= s->start_mb_y; s->mb_y--) {
- for(s->mb_x=s->mb_width-1; s->mb_x >=0 ;s->mb_x--) {
- ff_pre_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
- }
- s->first_slice_line=0;
- }
-
- s->me.pre_pass=0;
-
- return 0;
-}
-
-static int estimate_motion_thread(AVCodecContext *c, void *arg){
- MpegEncContext *s= *(void**)arg;
-
- ff_check_alignment();
-
- s->me.dia_size= s->avctx->dia_size;
- s->first_slice_line=1;
- for(s->mb_y= s->start_mb_y; s->mb_y < s->end_mb_y; s->mb_y++) {
- s->mb_x=0; //for block init below
- ff_init_block_index(s);
- for(s->mb_x=0; s->mb_x < s->mb_width; s->mb_x++) {
- s->block_index[0]+=2;
- s->block_index[1]+=2;
- s->block_index[2]+=2;
- s->block_index[3]+=2;
-
- /* compute motion vector & mb_type and store in context */
- if(s->pict_type==AV_PICTURE_TYPE_B)
- ff_estimate_b_frame_motion(s, s->mb_x, s->mb_y);
- else
- ff_estimate_p_frame_motion(s, s->mb_x, s->mb_y);
- }
- s->first_slice_line=0;
- }
- return 0;
-}
-
-static int mb_var_thread(AVCodecContext *c, void *arg){
- MpegEncContext *s= *(void**)arg;
- int mb_x, mb_y;
-
- ff_check_alignment();
-
- for(mb_y=s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
- for(mb_x=0; mb_x < s->mb_width; mb_x++) {
- int xx = mb_x * 16;
- int yy = mb_y * 16;
- uint8_t *pix = s->new_picture.f.data[0] + (yy * s->linesize) + xx;
- int varc;
- int sum = s->dsp.pix_sum(pix, s->linesize);
-
- varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)sum*sum)>>8) + 500 + 128)>>8;
-
- s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
- s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
- s->me.mb_var_sum_temp += varc;
- }
- }
- return 0;
-}
-
-static void write_slice_end(MpegEncContext *s){
- if(CONFIG_MPEG4_ENCODER && s->codec_id==AV_CODEC_ID_MPEG4){
- if(s->partitioned_frame){
- ff_mpeg4_merge_partitions(s);
- }
-
- ff_mpeg4_stuffing(&s->pb);
- }else if(CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG){
- ff_mjpeg_encode_stuffing(s);
- }
-
- avpriv_align_put_bits(&s->pb);
- flush_put_bits(&s->pb);
-
- if((s->flags&CODEC_FLAG_PASS1) && !s->partitioned_frame)
- s->misc_bits+= get_bits_diff(s);
-}
-
-static void write_mb_info(MpegEncContext *s)
-{
- uint8_t *ptr = s->mb_info_ptr + s->mb_info_size - 12;
- int offset = put_bits_count(&s->pb);
- int mba = s->mb_x + s->mb_width * (s->mb_y % s->gob_index);
- int gobn = s->mb_y / s->gob_index;
- int pred_x, pred_y;
- if (CONFIG_H263_ENCODER)
- ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
- bytestream_put_le32(&ptr, offset);
- bytestream_put_byte(&ptr, s->qscale);
- bytestream_put_byte(&ptr, gobn);
- bytestream_put_le16(&ptr, mba);
- bytestream_put_byte(&ptr, pred_x); /* hmv1 */
- bytestream_put_byte(&ptr, pred_y); /* vmv1 */
- /* 4MV not implemented */
- bytestream_put_byte(&ptr, 0); /* hmv2 */
- bytestream_put_byte(&ptr, 0); /* vmv2 */
-}
-
-static void update_mb_info(MpegEncContext *s, int startcode)
-{
- if (!s->mb_info)
- return;
- if (put_bits_count(&s->pb) - s->prev_mb_info*8 >= s->mb_info*8) {
- s->mb_info_size += 12;
- s->prev_mb_info = s->last_mb_info;
- }
- if (startcode) {
- s->prev_mb_info = put_bits_count(&s->pb)/8;
- /* This might have incremented mb_info_size above, and we return without
- * actually writing any info into that slot yet. But in that case,
- * this will be called again at the start of the after writing the
- * start code, actually writing the mb info. */
- return;
- }
-
- s->last_mb_info = put_bits_count(&s->pb)/8;
- if (!s->mb_info_size)
- s->mb_info_size += 12;
- write_mb_info(s);
-}
-
-static int encode_thread(AVCodecContext *c, void *arg){
- MpegEncContext *s= *(void**)arg;
- int mb_x, mb_y, pdif = 0;
- int chr_h= 16>>s->chroma_y_shift;
- int i, j;
- MpegEncContext best_s, backup_s;
- uint8_t bit_buf[2][MAX_MB_BYTES];
- uint8_t bit_buf2[2][MAX_MB_BYTES];
- uint8_t bit_buf_tex[2][MAX_MB_BYTES];
- PutBitContext pb[2], pb2[2], tex_pb[2];
-
- ff_check_alignment();
-
- for(i=0; i<2; i++){
- init_put_bits(&pb [i], bit_buf [i], MAX_MB_BYTES);
- init_put_bits(&pb2 [i], bit_buf2 [i], MAX_MB_BYTES);
- init_put_bits(&tex_pb[i], bit_buf_tex[i], MAX_MB_BYTES);
- }
-
- s->last_bits= put_bits_count(&s->pb);
- s->mv_bits=0;
- s->misc_bits=0;
- s->i_tex_bits=0;
- s->p_tex_bits=0;
- s->i_count=0;
- s->f_count=0;
- s->b_count=0;
- s->skip_count=0;
-
- for(i=0; i<3; i++){
- /* init last dc values */
- /* note: quant matrix value (8) is implied here */
- s->last_dc[i] = 128 << s->intra_dc_precision;
-
- s->current_picture.f.error[i] = 0;
- }
- if(s->codec_id==AV_CODEC_ID_AMV){
- s->last_dc[0] = 128*8/13;
- s->last_dc[1] = 128*8/14;
- s->last_dc[2] = 128*8/14;
- }
- s->mb_skip_run = 0;
- memset(s->last_mv, 0, sizeof(s->last_mv));
-
- s->last_mv_dir = 0;
-
- switch(s->codec_id){
- case AV_CODEC_ID_H263:
- case AV_CODEC_ID_H263P:
- case AV_CODEC_ID_FLV1:
- if (CONFIG_H263_ENCODER)
- s->gob_index = ff_h263_get_gob_height(s);
- break;
- case AV_CODEC_ID_MPEG4:
- if(CONFIG_MPEG4_ENCODER && s->partitioned_frame)
- ff_mpeg4_init_partitions(s);
- break;
- }
-
- s->resync_mb_x=0;
- s->resync_mb_y=0;
- s->first_slice_line = 1;
- s->ptr_lastgob = s->pb.buf;
- for(mb_y= s->start_mb_y; mb_y < s->end_mb_y; mb_y++) {
- s->mb_x=0;
- s->mb_y= mb_y;
-
- ff_set_qscale(s, s->qscale);
- ff_init_block_index(s);
-
- for(mb_x=0; mb_x < s->mb_width; mb_x++) {
- int xy= mb_y*s->mb_stride + mb_x; // removed const, H261 needs to adjust this
- int mb_type= s->mb_type[xy];
-// int d;
- int dmin= INT_MAX;
- int dir;
-
- if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < MAX_MB_BYTES){
- av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
- return -1;
- }
- if(s->data_partitioning){
- if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
- || s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
- av_log(s->avctx, AV_LOG_ERROR, "encoded partitioned frame too large\n");
- return -1;
- }
- }
-
- s->mb_x = mb_x;
- s->mb_y = mb_y; // moved into loop, can get changed by H.261
- ff_update_block_index(s);
-
- if(CONFIG_H261_ENCODER && s->codec_id == AV_CODEC_ID_H261){
- ff_h261_reorder_mb_index(s);
- xy= s->mb_y*s->mb_stride + s->mb_x;
- mb_type= s->mb_type[xy];
- }
-
- /* write gob / video packet header */
- if(s->rtp_mode){
- int current_packet_size, is_gob_start;
-
- current_packet_size= ((put_bits_count(&s->pb)+7)>>3) - (s->ptr_lastgob - s->pb.buf);
-
- is_gob_start= s->avctx->rtp_payload_size && current_packet_size >= s->avctx->rtp_payload_size && mb_y + mb_x>0;
-
- if(s->start_mb_y == mb_y && mb_y > 0 && mb_x==0) is_gob_start=1;
-
- switch(s->codec_id){
- case AV_CODEC_ID_H263:
- case AV_CODEC_ID_H263P:
- if(!s->h263_slice_structured)
- if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
- break;
- case AV_CODEC_ID_MPEG2VIDEO:
- if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
- case AV_CODEC_ID_MPEG1VIDEO:
- if(s->mb_skip_run) is_gob_start=0;
- break;
- case AV_CODEC_ID_MJPEG:
- if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
- break;
- }
-
- if(is_gob_start){
- if(s->start_mb_y != mb_y || mb_x!=0){
- write_slice_end(s);
-
- if(CONFIG_MPEG4_ENCODER && s->codec_id==AV_CODEC_ID_MPEG4 && s->partitioned_frame){
- ff_mpeg4_init_partitions(s);
- }
- }
-
- av_assert2((put_bits_count(&s->pb)&7) == 0);
- current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
-
- if (s->error_rate && s->resync_mb_x + s->resync_mb_y > 0) {
- int r= put_bits_count(&s->pb)/8 + s->picture_number + 16 + s->mb_x + s->mb_y;
- int d = 100 / s->error_rate;
- if(r % d == 0){
- current_packet_size=0;
- s->pb.buf_ptr= s->ptr_lastgob;
- assert(put_bits_ptr(&s->pb) == s->ptr_lastgob);
- }
- }
-
- if (s->avctx->rtp_callback){
- int number_mb = (mb_y - s->resync_mb_y)*s->mb_width + mb_x - s->resync_mb_x;
- s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, current_packet_size, number_mb);
- }
- update_mb_info(s, 1);
-
- switch(s->codec_id){
- case AV_CODEC_ID_MPEG4:
- if (CONFIG_MPEG4_ENCODER) {
- ff_mpeg4_encode_video_packet_header(s);
- ff_mpeg4_clean_buffers(s);
- }
- break;
- case AV_CODEC_ID_MPEG1VIDEO:
- case AV_CODEC_ID_MPEG2VIDEO:
- if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
- ff_mpeg1_encode_slice_header(s);
- ff_mpeg1_clean_buffers(s);
- }
- break;
- case AV_CODEC_ID_H263:
- case AV_CODEC_ID_H263P:
- if (CONFIG_H263_ENCODER)
- ff_h263_encode_gob_header(s, mb_y);
- break;
- }
-
- if(s->flags&CODEC_FLAG_PASS1){
- int bits= put_bits_count(&s->pb);
- s->misc_bits+= bits - s->last_bits;
- s->last_bits= bits;
- }
-
- s->ptr_lastgob += current_packet_size;
- s->first_slice_line=1;
- s->resync_mb_x=mb_x;
- s->resync_mb_y=mb_y;
- }
- }
-
- if( (s->resync_mb_x == s->mb_x)
- && s->resync_mb_y+1 == s->mb_y){
- s->first_slice_line=0;
- }
-
- s->mb_skipped=0;
- s->dquant=0; //only for QP_RD
-
- update_mb_info(s, 0);
-
- if (mb_type & (mb_type-1) || (s->mpv_flags & FF_MPV_FLAG_QP_RD)) { // more than 1 MB type possible or FF_MPV_FLAG_QP_RD
- int next_block=0;
- int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
-
- copy_context_before_encode(&backup_s, s, -1);
- backup_s.pb= s->pb;
- best_s.data_partitioning= s->data_partitioning;
- best_s.partitioned_frame= s->partitioned_frame;
- if(s->data_partitioning){
- backup_s.pb2= s->pb2;
- backup_s.tex_pb= s->tex_pb;
- }
-
- if(mb_type&CANDIDATE_MB_TYPE_INTER){
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_16X16;
- s->mb_intra= 0;
- s->mv[0][0][0] = s->p_mv_table[xy][0];
- s->mv[0][0][1] = s->p_mv_table[xy][1];
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER, pb, pb2, tex_pb,
- &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
- }
- if(mb_type&CANDIDATE_MB_TYPE_INTER_I){
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_FIELD;
- s->mb_intra= 0;
- for(i=0; i<2; i++){
- j= s->field_select[0][i] = s->p_field_select_table[i][xy];
- s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
- s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
- }
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER_I, pb, pb2, tex_pb,
- &dmin, &next_block, 0, 0);
- }
- if(mb_type&CANDIDATE_MB_TYPE_SKIPPED){
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_16X16;
- s->mb_intra= 0;
- s->mv[0][0][0] = 0;
- s->mv[0][0][1] = 0;
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_SKIPPED, pb, pb2, tex_pb,
- &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
- }
- if(mb_type&CANDIDATE_MB_TYPE_INTER4V){
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_8X8;
- s->mb_intra= 0;
- for(i=0; i<4; i++){
- s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
- s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
- }
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER4V, pb, pb2, tex_pb,
- &dmin, &next_block, 0, 0);
- }
- if(mb_type&CANDIDATE_MB_TYPE_FORWARD){
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_16X16;
- s->mb_intra= 0;
- s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
- s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD, pb, pb2, tex_pb,
- &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
- }
- if(mb_type&CANDIDATE_MB_TYPE_BACKWARD){
- s->mv_dir = MV_DIR_BACKWARD;
- s->mv_type = MV_TYPE_16X16;
- s->mb_intra= 0;
- s->mv[1][0][0] = s->b_back_mv_table[xy][0];
- s->mv[1][0][1] = s->b_back_mv_table[xy][1];
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD, pb, pb2, tex_pb,
- &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
- }
- if(mb_type&CANDIDATE_MB_TYPE_BIDIR){
- s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
- s->mv_type = MV_TYPE_16X16;
- s->mb_intra= 0;
- s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
- s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
- s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
- s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR, pb, pb2, tex_pb,
- &dmin, &next_block, 0, 0);
- }
- if(mb_type&CANDIDATE_MB_TYPE_FORWARD_I){
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_FIELD;
- s->mb_intra= 0;
- for(i=0; i<2; i++){
- j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
- s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
- s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
- }
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_FORWARD_I, pb, pb2, tex_pb,
- &dmin, &next_block, 0, 0);
- }
- if(mb_type&CANDIDATE_MB_TYPE_BACKWARD_I){
- s->mv_dir = MV_DIR_BACKWARD;
- s->mv_type = MV_TYPE_FIELD;
- s->mb_intra= 0;
- for(i=0; i<2; i++){
- j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
- s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
- s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
- }
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BACKWARD_I, pb, pb2, tex_pb,
- &dmin, &next_block, 0, 0);
- }
- if(mb_type&CANDIDATE_MB_TYPE_BIDIR_I){
- s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
- s->mv_type = MV_TYPE_FIELD;
- s->mb_intra= 0;
- for(dir=0; dir<2; dir++){
- for(i=0; i<2; i++){
- j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
- s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
- s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
- }
- }
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_BIDIR_I, pb, pb2, tex_pb,
- &dmin, &next_block, 0, 0);
- }
- if(mb_type&CANDIDATE_MB_TYPE_INTRA){
- s->mv_dir = 0;
- s->mv_type = MV_TYPE_16X16;
- s->mb_intra= 1;
- s->mv[0][0][0] = 0;
- s->mv[0][0][1] = 0;
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTRA, pb, pb2, tex_pb,
- &dmin, &next_block, 0, 0);
- if(s->h263_pred || s->h263_aic){
- if(best_s.mb_intra)
- s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
- else
- ff_clean_intra_table_entries(s); //old mode?
- }
- }
-
- if ((s->mpv_flags & FF_MPV_FLAG_QP_RD) && dmin < INT_MAX) {
- if(best_s.mv_type==MV_TYPE_16X16){ //FIXME move 4mv after QPRD
- const int last_qp= backup_s.qscale;
- int qpi, qp, dc[6];
- int16_t ac[6][16];
- const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
- static const int dquant_tab[4]={-1,1,-2,2};
- int storecoefs = s->mb_intra && s->dc_val[0];
-
- av_assert2(backup_s.dquant == 0);
-
- //FIXME intra
- s->mv_dir= best_s.mv_dir;
- s->mv_type = MV_TYPE_16X16;
- s->mb_intra= best_s.mb_intra;
- s->mv[0][0][0] = best_s.mv[0][0][0];
- s->mv[0][0][1] = best_s.mv[0][0][1];
- s->mv[1][0][0] = best_s.mv[1][0][0];
- s->mv[1][0][1] = best_s.mv[1][0][1];
-
- qpi = s->pict_type == AV_PICTURE_TYPE_B ? 2 : 0;
- for(; qpi<4; qpi++){
- int dquant= dquant_tab[qpi];
- qp= last_qp + dquant;
- if(qp < s->avctx->qmin || qp > s->avctx->qmax)
- continue;
- backup_s.dquant= dquant;
- if(storecoefs){
- for(i=0; i<6; i++){
- dc[i]= s->dc_val[0][ s->block_index[i] ];
- memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(int16_t)*16);
- }
- }
-
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
- &dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
- if(best_s.qscale != qp){
- if(storecoefs){
- for(i=0; i<6; i++){
- s->dc_val[0][ s->block_index[i] ]= dc[i];
- memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(int16_t)*16);
- }
- }
- }
- }
- }
- }
- if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT){
- int mx= s->b_direct_mv_table[xy][0];
- int my= s->b_direct_mv_table[xy][1];
-
- backup_s.dquant = 0;
- s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
- s->mb_intra= 0;
- ff_mpeg4_set_direct_mv(s, mx, my);
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
- &dmin, &next_block, mx, my);
- }
- if(CONFIG_MPEG4_ENCODER && mb_type&CANDIDATE_MB_TYPE_DIRECT0){
- backup_s.dquant = 0;
- s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
- s->mb_intra= 0;
- ff_mpeg4_set_direct_mv(s, 0, 0);
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_DIRECT, pb, pb2, tex_pb,
- &dmin, &next_block, 0, 0);
- }
- if (!best_s.mb_intra && s->mpv_flags & FF_MPV_FLAG_SKIP_RD) {
- int coded=0;
- for(i=0; i<6; i++)
- coded |= s->block_last_index[i];
- if(coded){
- int mx,my;
- memcpy(s->mv, best_s.mv, sizeof(s->mv));
- if(CONFIG_MPEG4_ENCODER && best_s.mv_dir & MV_DIRECT){
- mx=my=0; //FIXME find the one we actually used
- ff_mpeg4_set_direct_mv(s, mx, my);
- }else if(best_s.mv_dir&MV_DIR_BACKWARD){
- mx= s->mv[1][0][0];
- my= s->mv[1][0][1];
- }else{
- mx= s->mv[0][0][0];
- my= s->mv[0][0][1];
- }
-
- s->mv_dir= best_s.mv_dir;
- s->mv_type = best_s.mv_type;
- s->mb_intra= 0;
-/* s->mv[0][0][0] = best_s.mv[0][0][0];
- s->mv[0][0][1] = best_s.mv[0][0][1];
- s->mv[1][0][0] = best_s.mv[1][0][0];
- s->mv[1][0][1] = best_s.mv[1][0][1];*/
- backup_s.dquant= 0;
- s->skipdct=1;
- encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
- &dmin, &next_block, mx, my);
- s->skipdct=0;
- }
- }
-
- s->current_picture.qscale_table[xy] = best_s.qscale;
-
- copy_context_after_encode(s, &best_s, -1);
-
- pb_bits_count= put_bits_count(&s->pb);
- flush_put_bits(&s->pb);
- avpriv_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
- s->pb= backup_s.pb;
-
- if(s->data_partitioning){
- pb2_bits_count= put_bits_count(&s->pb2);
- flush_put_bits(&s->pb2);
- avpriv_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
- s->pb2= backup_s.pb2;
-
- tex_pb_bits_count= put_bits_count(&s->tex_pb);
- flush_put_bits(&s->tex_pb);
- avpriv_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
- s->tex_pb= backup_s.tex_pb;
- }
- s->last_bits= put_bits_count(&s->pb);
-
- if (CONFIG_H263_ENCODER &&
- s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B)
- ff_h263_update_motion_val(s);
-
- if(next_block==0){ //FIXME 16 vs linesize16
- s->hdsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
- s->hdsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
- s->hdsp.put_pixels_tab[1][0](s->dest[2], s->rd_scratchpad + 16*s->linesize + 8, s->uvlinesize, 8);
- }
-
- if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
- ff_MPV_decode_mb(s, s->block);
- } else {
- int motion_x = 0, motion_y = 0;
- s->mv_type=MV_TYPE_16X16;
- // only one MB-Type possible
-
- switch(mb_type){
- case CANDIDATE_MB_TYPE_INTRA:
- s->mv_dir = 0;
- s->mb_intra= 1;
- motion_x= s->mv[0][0][0] = 0;
- motion_y= s->mv[0][0][1] = 0;
- break;
- case CANDIDATE_MB_TYPE_INTER:
- s->mv_dir = MV_DIR_FORWARD;
- s->mb_intra= 0;
- motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
- motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
- break;
- case CANDIDATE_MB_TYPE_INTER_I:
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_FIELD;
- s->mb_intra= 0;
- for(i=0; i<2; i++){
- j= s->field_select[0][i] = s->p_field_select_table[i][xy];
- s->mv[0][i][0] = s->p_field_mv_table[i][j][xy][0];
- s->mv[0][i][1] = s->p_field_mv_table[i][j][xy][1];
- }
- break;
- case CANDIDATE_MB_TYPE_INTER4V:
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_8X8;
- s->mb_intra= 0;
- for(i=0; i<4; i++){
- s->mv[0][i][0] = s->current_picture.motion_val[0][s->block_index[i]][0];
- s->mv[0][i][1] = s->current_picture.motion_val[0][s->block_index[i]][1];
- }
- break;
- case CANDIDATE_MB_TYPE_DIRECT:
- if (CONFIG_MPEG4_ENCODER) {
- s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
- s->mb_intra= 0;
- motion_x=s->b_direct_mv_table[xy][0];
- motion_y=s->b_direct_mv_table[xy][1];
- ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
- }
- break;
- case CANDIDATE_MB_TYPE_DIRECT0:
- if (CONFIG_MPEG4_ENCODER) {
- s->mv_dir = MV_DIR_FORWARD|MV_DIR_BACKWARD|MV_DIRECT;
- s->mb_intra= 0;
- ff_mpeg4_set_direct_mv(s, 0, 0);
- }
- break;
- case CANDIDATE_MB_TYPE_BIDIR:
- s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
- s->mb_intra= 0;
- s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
- s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
- s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
- s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
- break;
- case CANDIDATE_MB_TYPE_BACKWARD:
- s->mv_dir = MV_DIR_BACKWARD;
- s->mb_intra= 0;
- motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
- motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
- break;
- case CANDIDATE_MB_TYPE_FORWARD:
- s->mv_dir = MV_DIR_FORWARD;
- s->mb_intra= 0;
- motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
- motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
- break;
- case CANDIDATE_MB_TYPE_FORWARD_I:
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_FIELD;
- s->mb_intra= 0;
- for(i=0; i<2; i++){
- j= s->field_select[0][i] = s->b_field_select_table[0][i][xy];
- s->mv[0][i][0] = s->b_field_mv_table[0][i][j][xy][0];
- s->mv[0][i][1] = s->b_field_mv_table[0][i][j][xy][1];
- }
- break;
- case CANDIDATE_MB_TYPE_BACKWARD_I:
- s->mv_dir = MV_DIR_BACKWARD;
- s->mv_type = MV_TYPE_FIELD;
- s->mb_intra= 0;
- for(i=0; i<2; i++){
- j= s->field_select[1][i] = s->b_field_select_table[1][i][xy];
- s->mv[1][i][0] = s->b_field_mv_table[1][i][j][xy][0];
- s->mv[1][i][1] = s->b_field_mv_table[1][i][j][xy][1];
- }
- break;
- case CANDIDATE_MB_TYPE_BIDIR_I:
- s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
- s->mv_type = MV_TYPE_FIELD;
- s->mb_intra= 0;
- for(dir=0; dir<2; dir++){
- for(i=0; i<2; i++){
- j= s->field_select[dir][i] = s->b_field_select_table[dir][i][xy];
- s->mv[dir][i][0] = s->b_field_mv_table[dir][i][j][xy][0];
- s->mv[dir][i][1] = s->b_field_mv_table[dir][i][j][xy][1];
- }
- }
- break;
- default:
- av_log(s->avctx, AV_LOG_ERROR, "illegal MB type\n");
- }
-
- encode_mb(s, motion_x, motion_y);
-
- // RAL: Update last macroblock type
- s->last_mv_dir = s->mv_dir;
-
- if (CONFIG_H263_ENCODER &&
- s->out_format == FMT_H263 && s->pict_type!=AV_PICTURE_TYPE_B)
- ff_h263_update_motion_val(s);
-
- ff_MPV_decode_mb(s, s->block);
- }
-
- /* clean the MV table in IPS frames for direct mode in B frames */
- if(s->mb_intra /* && I,P,S_TYPE */){
- s->p_mv_table[xy][0]=0;
- s->p_mv_table[xy][1]=0;
- }
-
- if(s->flags&CODEC_FLAG_PSNR){
- int w= 16;
- int h= 16;
-
- if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
- if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
-
- s->current_picture.f.error[0] += sse(
- s, s->new_picture.f.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
- s->dest[0], w, h, s->linesize);
- s->current_picture.f.error[1] += sse(
- s, s->new_picture.f.data[1] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
- s->dest[1], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
- s->current_picture.f.error[2] += sse(
- s, s->new_picture.f.data[2] + s->mb_x*8 + s->mb_y*s->uvlinesize*chr_h,
- s->dest[2], w>>1, h>>s->chroma_y_shift, s->uvlinesize);
- }
- if(s->loop_filter){
- if(CONFIG_H263_ENCODER && s->out_format == FMT_H263)
- ff_h263_loop_filter(s);
- }
- av_dlog(s->avctx, "MB %d %d bits\n",
- s->mb_x + s->mb_y * s->mb_stride, put_bits_count(&s->pb));
- }
- }
-
- //not beautiful here but we must write it before flushing so it has to be here
- if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == AV_PICTURE_TYPE_I)
- ff_msmpeg4_encode_ext_header(s);
-
- write_slice_end(s);
-
- /* Send the last GOB if RTP */
- if (s->avctx->rtp_callback) {
- int number_mb = (mb_y - s->resync_mb_y)*s->mb_width - s->resync_mb_x;
- pdif = put_bits_ptr(&s->pb) - s->ptr_lastgob;
- /* Call the RTP callback to send the last GOB */
- emms_c();
- s->avctx->rtp_callback(s->avctx, s->ptr_lastgob, pdif, number_mb);
- }
-
- return 0;
-}
-
-#define MERGE(field) dst->field += src->field; src->field=0
-static void merge_context_after_me(MpegEncContext *dst, MpegEncContext *src){
- MERGE(me.scene_change_score);
- MERGE(me.mc_mb_var_sum_temp);
- MERGE(me.mb_var_sum_temp);
-}
-
-static void merge_context_after_encode(MpegEncContext *dst, MpegEncContext *src){
- int i;
-
- MERGE(dct_count[0]); //note, the other dct vars are not part of the context
- MERGE(dct_count[1]);
- MERGE(mv_bits);
- MERGE(i_tex_bits);
- MERGE(p_tex_bits);
- MERGE(i_count);
- MERGE(f_count);
- MERGE(b_count);
- MERGE(skip_count);
- MERGE(misc_bits);
- MERGE(er.error_count);
- MERGE(padding_bug_score);
- MERGE(current_picture.f.error[0]);
- MERGE(current_picture.f.error[1]);
- MERGE(current_picture.f.error[2]);
-
- if(dst->avctx->noise_reduction){
- for(i=0; i<64; i++){
- MERGE(dct_error_sum[0][i]);
- MERGE(dct_error_sum[1][i]);
- }
- }
-
- assert(put_bits_count(&src->pb) % 8 ==0);
- assert(put_bits_count(&dst->pb) % 8 ==0);
- avpriv_copy_bits(&dst->pb, src->pb.buf, put_bits_count(&src->pb));
- flush_put_bits(&dst->pb);
-}
-
-static int estimate_qp(MpegEncContext *s, int dry_run){
- if (s->next_lambda){
- s->current_picture_ptr->f.quality =
- s->current_picture.f.quality = s->next_lambda;
- if(!dry_run) s->next_lambda= 0;
- } else if (!s->fixed_qscale) {
- s->current_picture_ptr->f.quality =
- s->current_picture.f.quality = ff_rate_estimate_qscale(s, dry_run);
- if (s->current_picture.f.quality < 0)
- return -1;
- }
-
- if(s->adaptive_quant){
- switch(s->codec_id){
- case AV_CODEC_ID_MPEG4:
- if (CONFIG_MPEG4_ENCODER)
- ff_clean_mpeg4_qscales(s);
- break;
- case AV_CODEC_ID_H263:
- case AV_CODEC_ID_H263P:
- case AV_CODEC_ID_FLV1:
- if (CONFIG_H263_ENCODER)
- ff_clean_h263_qscales(s);
- break;
- default:
- ff_init_qscale_tab(s);
- }
-
- s->lambda= s->lambda_table[0];
- //FIXME broken
- }else
- s->lambda = s->current_picture.f.quality;
- update_qscale(s);
- return 0;
-}
-
-/* must be called before writing the header */
-static void set_frame_distances(MpegEncContext * s){
- assert(s->current_picture_ptr->f.pts != AV_NOPTS_VALUE);
- s->time = s->current_picture_ptr->f.pts * s->avctx->time_base.num;
-
- if(s->pict_type==AV_PICTURE_TYPE_B){
- s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
- assert(s->pb_time > 0 && s->pb_time < s->pp_time);
- }else{
- s->pp_time= s->time - s->last_non_b_time;
- s->last_non_b_time= s->time;
- assert(s->picture_number==0 || s->pp_time > 0);
- }
-}
-
-static int encode_picture(MpegEncContext *s, int picture_number)
-{
- int i, ret;
- int bits;
- int context_count = s->slice_context_count;
-
- s->picture_number = picture_number;
-
- /* Reset the average MB variance */
- s->me.mb_var_sum_temp =
- s->me.mc_mb_var_sum_temp = 0;
-
- /* we need to initialize some time vars before we can encode b-frames */
- // RAL: Condition added for MPEG1VIDEO
- if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO || s->codec_id == AV_CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->msmpeg4_version))
- set_frame_distances(s);
- if(CONFIG_MPEG4_ENCODER && s->codec_id == AV_CODEC_ID_MPEG4)
- ff_set_mpeg4_time(s);
-
- s->me.scene_change_score=0;
-
-// s->lambda= s->current_picture_ptr->quality; //FIXME qscale / ... stuff for ME rate distortion
-
- if(s->pict_type==AV_PICTURE_TYPE_I){
- if(s->msmpeg4_version >= 3) s->no_rounding=1;
- else s->no_rounding=0;
- }else if(s->pict_type!=AV_PICTURE_TYPE_B){
- if(s->flipflop_rounding || s->codec_id == AV_CODEC_ID_H263P || s->codec_id == AV_CODEC_ID_MPEG4)
- s->no_rounding ^= 1;
- }
-
- if(s->flags & CODEC_FLAG_PASS2){
- if (estimate_qp(s,1) < 0)
- return -1;
- ff_get_2pass_fcode(s);
- }else if(!(s->flags & CODEC_FLAG_QSCALE)){
- if(s->pict_type==AV_PICTURE_TYPE_B)
- s->lambda= s->last_lambda_for[s->pict_type];
- else
- s->lambda= s->last_lambda_for[s->last_non_b_pict_type];
- update_qscale(s);
- }
-
- if(s->codec_id != AV_CODEC_ID_AMV){
- 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 = s->q_intra_matrix;
- s->q_chroma_intra_matrix16 = s->q_intra_matrix16;
- }
-
- s->mb_intra=0; //for the rate distortion & bit compare functions
- for(i=1; i<context_count; i++){
- ret = ff_update_duplicate_context(s->thread_context[i], s);
- if (ret < 0)
- return ret;
- }
-
- if(ff_init_me(s)<0)
- return -1;
-
- /* Estimate motion for every MB */
- if(s->pict_type != AV_PICTURE_TYPE_I){
- s->lambda = (s->lambda * s->avctx->me_penalty_compensation + 128)>>8;
- s->lambda2= (s->lambda2* (int64_t)s->avctx->me_penalty_compensation + 128)>>8;
- if (s->pict_type != AV_PICTURE_TYPE_B) {
- if((s->avctx->pre_me && s->last_non_b_pict_type==AV_PICTURE_TYPE_I) || s->avctx->pre_me==2){
- s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
- }
- }
-
- s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
- }else /* if(s->pict_type == AV_PICTURE_TYPE_I) */{
- /* I-Frame */
- for(i=0; i<s->mb_stride*s->mb_height; i++)
- s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
-
- if(!s->fixed_qscale){
- /* finding spatial complexity for I-frame rate control */
- s->avctx->execute(s->avctx, mb_var_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
- }
- }
- for(i=1; i<context_count; i++){
- merge_context_after_me(s, s->thread_context[i]);
- }
- s->current_picture.mc_mb_var_sum= s->current_picture_ptr->mc_mb_var_sum= s->me.mc_mb_var_sum_temp;
- s->current_picture. mb_var_sum= s->current_picture_ptr-> mb_var_sum= s->me. mb_var_sum_temp;
- emms_c();
-
- if(s->me.scene_change_score > s->avctx->scenechange_threshold && s->pict_type == AV_PICTURE_TYPE_P){
- s->pict_type= AV_PICTURE_TYPE_I;
- for(i=0; i<s->mb_stride*s->mb_height; i++)
- s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
- if(s->msmpeg4_version >= 3)
- s->no_rounding=1;
- av_dlog(s, "Scene change detected, encoding as I Frame %d %d\n",
- s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
- }
-
- if(!s->umvplus){
- if(s->pict_type==AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) {
- s->f_code= ff_get_best_fcode(s, s->p_mv_table, CANDIDATE_MB_TYPE_INTER);
-
- if(s->flags & CODEC_FLAG_INTERLACED_ME){
- int a,b;
- a= ff_get_best_fcode(s, s->p_field_mv_table[0][0], CANDIDATE_MB_TYPE_INTER_I); //FIXME field_select
- b= ff_get_best_fcode(s, s->p_field_mv_table[1][1], CANDIDATE_MB_TYPE_INTER_I);
- s->f_code= FFMAX3(s->f_code, a, b);
- }
-
- ff_fix_long_p_mvs(s);
- ff_fix_long_mvs(s, NULL, 0, s->p_mv_table, s->f_code, CANDIDATE_MB_TYPE_INTER, 0);
- if(s->flags & CODEC_FLAG_INTERLACED_ME){
- int j;
- for(i=0; i<2; i++){
- for(j=0; j<2; j++)
- ff_fix_long_mvs(s, s->p_field_select_table[i], j,
- s->p_field_mv_table[i][j], s->f_code, CANDIDATE_MB_TYPE_INTER_I, 0);
- }
- }
- }
-
- if(s->pict_type==AV_PICTURE_TYPE_B){
- int a, b;
-
- a = ff_get_best_fcode(s, s->b_forw_mv_table, CANDIDATE_MB_TYPE_FORWARD);
- b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, CANDIDATE_MB_TYPE_BIDIR);
- s->f_code = FFMAX(a, b);
-
- a = ff_get_best_fcode(s, s->b_back_mv_table, CANDIDATE_MB_TYPE_BACKWARD);
- b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, CANDIDATE_MB_TYPE_BIDIR);
- s->b_code = FFMAX(a, b);
-
- ff_fix_long_mvs(s, NULL, 0, s->b_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_FORWARD, 1);
- ff_fix_long_mvs(s, NULL, 0, s->b_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BACKWARD, 1);
- ff_fix_long_mvs(s, NULL, 0, s->b_bidir_forw_mv_table, s->f_code, CANDIDATE_MB_TYPE_BIDIR, 1);
- ff_fix_long_mvs(s, NULL, 0, s->b_bidir_back_mv_table, s->b_code, CANDIDATE_MB_TYPE_BIDIR, 1);
- if(s->flags & CODEC_FLAG_INTERLACED_ME){
- int dir, j;
- for(dir=0; dir<2; dir++){
- for(i=0; i<2; i++){
- for(j=0; j<2; j++){
- int type= dir ? (CANDIDATE_MB_TYPE_BACKWARD_I|CANDIDATE_MB_TYPE_BIDIR_I)
- : (CANDIDATE_MB_TYPE_FORWARD_I |CANDIDATE_MB_TYPE_BIDIR_I);
- ff_fix_long_mvs(s, s->b_field_select_table[dir][i], j,
- s->b_field_mv_table[dir][i][j], dir ? s->b_code : s->f_code, type, 1);
- }
- }
- }
- }
- }
- }
-
- if (estimate_qp(s, 0) < 0)
- return -1;
-
- if(s->qscale < 3 && s->max_qcoeff<=128 && s->pict_type==AV_PICTURE_TYPE_I && !(s->flags & CODEC_FLAG_QSCALE))
- s->qscale= 3; //reduce clipping problems
-
- if (s->out_format == FMT_MJPEG) {
- /* for mjpeg, we do include qscale in the matrix */
- for(i=1;i<64;i++){
- int j= s->dsp.idct_permutation[i];
-
- s->intra_matrix[j] = av_clip_uint8((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
- }
- s->y_dc_scale_table=
- s->c_dc_scale_table= ff_mpeg2_dc_scale_table[s->intra_dc_precision];
- s->intra_matrix[0] = ff_mpeg2_dc_scale_table[s->intra_dc_precision][8];
- ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
- s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
- s->qscale= 8;
- }
- if(s->codec_id == AV_CODEC_ID_AMV){
- static const uint8_t y[32]={13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13};
- static const uint8_t c[32]={14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14};
- for(i=1;i<64;i++){
- int j= s->dsp.idct_permutation[ff_zigzag_direct[i]];
-
- s->intra_matrix[j] = sp5x_quant_table[5*2+0][i];
- s->chroma_intra_matrix[j] = sp5x_quant_table[5*2+1][i];
- }
- s->y_dc_scale_table= y;
- s->c_dc_scale_table= c;
- s->intra_matrix[0] = 13;
- s->chroma_intra_matrix[0] = 14;
- ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
- s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
- ff_convert_matrix(&s->dsp, s->q_chroma_intra_matrix, s->q_chroma_intra_matrix16,
- s->chroma_intra_matrix, s->intra_quant_bias, 8, 8, 1);
- s->qscale= 8;
- }
-
- //FIXME var duplication
- s->current_picture_ptr->f.key_frame =
- s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I; //FIXME pic_ptr
- s->current_picture_ptr->f.pict_type =
- s->current_picture.f.pict_type = s->pict_type;
-
- if (s->current_picture.f.key_frame)
- s->picture_in_gop_number=0;
-
- s->mb_x = s->mb_y = 0;
- s->last_bits= put_bits_count(&s->pb);
- switch(s->out_format) {
- case FMT_MJPEG:
- if (CONFIG_MJPEG_ENCODER)
- ff_mjpeg_encode_picture_header(s->avctx, &s->pb, &s->intra_scantable,
- s->intra_matrix);
- break;
- case FMT_H261:
- if (CONFIG_H261_ENCODER)
- ff_h261_encode_picture_header(s, picture_number);
- break;
- case FMT_H263:
- if (CONFIG_WMV2_ENCODER && s->codec_id == AV_CODEC_ID_WMV2)
- ff_wmv2_encode_picture_header(s, picture_number);
- else if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
- ff_msmpeg4_encode_picture_header(s, picture_number);
- else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
- ff_mpeg4_encode_picture_header(s, picture_number);
- else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10)
- ff_rv10_encode_picture_header(s, picture_number);
- else if (CONFIG_RV20_ENCODER && s->codec_id == AV_CODEC_ID_RV20)
- ff_rv20_encode_picture_header(s, picture_number);
- else if (CONFIG_FLV_ENCODER && s->codec_id == AV_CODEC_ID_FLV1)
- ff_flv_encode_picture_header(s, picture_number);
- else if (CONFIG_H263_ENCODER)
- ff_h263_encode_picture_header(s, picture_number);
- break;
- case FMT_MPEG1:
- if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
- ff_mpeg1_encode_picture_header(s, picture_number);
- break;
- default:
- av_assert0(0);
- }
- bits= put_bits_count(&s->pb);
- s->header_bits= bits - s->last_bits;
-
- for(i=1; i<context_count; i++){
- update_duplicate_context_after_me(s->thread_context[i], s);
- }
- s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, context_count, sizeof(void*));
- for(i=1; i<context_count; i++){
- merge_context_after_encode(s, s->thread_context[i]);
- }
- emms_c();
- return 0;
-}
-
-static void denoise_dct_c(MpegEncContext *s, int16_t *block){
- const int intra= s->mb_intra;
- int i;
-
- s->dct_count[intra]++;
-
- for(i=0; i<64; i++){
- int level= block[i];
-
- if(level){
- if(level>0){
- s->dct_error_sum[intra][i] += level;
- level -= s->dct_offset[intra][i];
- if(level<0) level=0;
- }else{
- s->dct_error_sum[intra][i] -= level;
- level += s->dct_offset[intra][i];
- if(level>0) level=0;
- }
- block[i]= level;
- }
- }
-}
-
-static int dct_quantize_trellis_c(MpegEncContext *s,
- int16_t *block, int n,
- int qscale, int *overflow){
- const int *qmat;
- const uint8_t *scantable= s->intra_scantable.scantable;
- const uint8_t *perm_scantable= s->intra_scantable.permutated;
- int max=0;
- unsigned int threshold1, threshold2;
- int bias=0;
- int run_tab[65];
- int level_tab[65];
- int score_tab[65];
- int survivor[65];
- int survivor_count;
- int last_run=0;
- int last_level=0;
- int last_score= 0;
- int last_i;
- int coeff[2][64];
- int coeff_count[64];
- int qmul, qadd, start_i, last_non_zero, i, dc;
- const int esc_length= s->ac_esc_length;
- uint8_t * length;
- uint8_t * last_length;
- const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
-
- s->dsp.fdct (block);
-
- if(s->dct_error_sum)
- s->denoise_dct(s, block);
- qmul= qscale*16;
- qadd= ((qscale-1)|1)*8;
-
- if (s->mb_intra) {
- int q;
- if (!s->h263_aic) {
- if (n < 4)
- q = s->y_dc_scale;
- else
- q = s->c_dc_scale;
- q = q << 3;
- } else{
- /* For AIC we skip quant/dequant of INTRADC */
- q = 1 << 3;
- qadd=0;
- }
-
- /* note: block[0] is assumed to be positive */
- block[0] = (block[0] + (q >> 1)) / q;
- start_i = 1;
- last_non_zero = 0;
- qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
- if(s->mpeg_quant || s->out_format == FMT_MPEG1)
- bias= 1<<(QMAT_SHIFT-1);
- length = s->intra_ac_vlc_length;
- last_length= s->intra_ac_vlc_last_length;
- } else {
- start_i = 0;
- last_non_zero = -1;
- qmat = s->q_inter_matrix[qscale];
- length = s->inter_ac_vlc_length;
- last_length= s->inter_ac_vlc_last_length;
- }
- last_i= start_i;
-
- threshold1= (1<<QMAT_SHIFT) - bias - 1;
- threshold2= (threshold1<<1);
-
- for(i=63; i>=start_i; i--) {
- const int j = scantable[i];
- int level = block[j] * qmat[j];
-
- if(((unsigned)(level+threshold1))>threshold2){
- last_non_zero = i;
- break;
- }
- }
-
- for(i=start_i; i<=last_non_zero; i++) {
- const int j = scantable[i];
- int level = block[j] * qmat[j];
-
-// if( bias+level >= (1<<(QMAT_SHIFT - 3))
-// || bias-level >= (1<<(QMAT_SHIFT - 3))){
- if(((unsigned)(level+threshold1))>threshold2){
- if(level>0){
- level= (bias + level)>>QMAT_SHIFT;
- coeff[0][i]= level;
- coeff[1][i]= level-1;
-// coeff[2][k]= level-2;
- }else{
- level= (bias - level)>>QMAT_SHIFT;
- coeff[0][i]= -level;
- coeff[1][i]= -level+1;
-// coeff[2][k]= -level+2;
- }
- coeff_count[i]= FFMIN(level, 2);
- av_assert2(coeff_count[i]);
- max |=level;
- }else{
- coeff[0][i]= (level>>31)|1;
- coeff_count[i]= 1;
- }
- }
-
- *overflow= s->max_qcoeff < max; //overflow might have happened
-
- if(last_non_zero < start_i){
- memset(block + start_i, 0, (64-start_i)*sizeof(int16_t));
- return last_non_zero;
- }
-
- score_tab[start_i]= 0;
- survivor[0]= start_i;
- survivor_count= 1;
-
- for(i=start_i; i<=last_non_zero; i++){
- int level_index, j, zero_distortion;
- int dct_coeff= FFABS(block[ scantable[i] ]);
- int best_score=256*256*256*120;
-
- if (s->dsp.fdct == ff_fdct_ifast)
- dct_coeff= (dct_coeff*ff_inv_aanscales[ scantable[i] ]) >> 12;
- zero_distortion= dct_coeff*dct_coeff;
-
- for(level_index=0; level_index < coeff_count[i]; level_index++){
- int distortion;
- int level= coeff[level_index][i];
- const int alevel= FFABS(level);
- int unquant_coeff;
-
- av_assert2(level);
-
- if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
- unquant_coeff= alevel*qmul + qadd;
- }else{ //MPEG1
- j= s->dsp.idct_permutation[ scantable[i] ]; //FIXME optimize
- if(s->mb_intra){
- unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
- unquant_coeff = (unquant_coeff - 1) | 1;
- }else{
- unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
- unquant_coeff = (unquant_coeff - 1) | 1;
- }
- unquant_coeff<<= 3;
- }
-
- distortion= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distortion;
- level+=64;
- if((level&(~127)) == 0){
- for(j=survivor_count-1; j>=0; j--){
- int run= i - survivor[j];
- int score= distortion + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
- score += score_tab[i-run];
-
- if(score < best_score){
- best_score= score;
- run_tab[i+1]= run;
- level_tab[i+1]= level-64;
- }
- }
-
- if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
- for(j=survivor_count-1; j>=0; j--){
- int run= i - survivor[j];
- int score= distortion + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
- score += score_tab[i-run];
- if(score < last_score){
- last_score= score;
- last_run= run;
- last_level= level-64;
- last_i= i+1;
- }
- }
- }
- }else{
- distortion += esc_length*lambda;
- for(j=survivor_count-1; j>=0; j--){
- int run= i - survivor[j];
- int score= distortion + score_tab[i-run];
-
- if(score < best_score){
- best_score= score;
- run_tab[i+1]= run;
- level_tab[i+1]= level-64;
- }
- }
-
- if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
- for(j=survivor_count-1; j>=0; j--){
- int run= i - survivor[j];
- int score= distortion + score_tab[i-run];
- if(score < last_score){
- last_score= score;
- last_run= run;
- last_level= level-64;
- last_i= i+1;
- }
- }
- }
- }
- }
-
- score_tab[i+1]= best_score;
-
- //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
- if(last_non_zero <= 27){
- for(; survivor_count; survivor_count--){
- if(score_tab[ survivor[survivor_count-1] ] <= best_score)
- break;
- }
- }else{
- for(; survivor_count; survivor_count--){
- if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
- break;
- }
- }
-
- survivor[ survivor_count++ ]= i+1;
- }
-
- if(s->out_format != FMT_H263 && s->out_format != FMT_H261){
- last_score= 256*256*256*120;
- for(i= survivor[0]; i<=last_non_zero + 1; i++){
- int score= score_tab[i];
- if(i) score += lambda*2; //FIXME exacter?
-
- if(score < last_score){
- last_score= score;
- last_i= i;
- last_level= level_tab[i];
- last_run= run_tab[i];
- }
- }
- }
-
- s->coded_score[n] = last_score;
-
- dc= FFABS(block[0]);
- last_non_zero= last_i - 1;
- memset(block + start_i, 0, (64-start_i)*sizeof(int16_t));
-
- if(last_non_zero < start_i)
- return last_non_zero;
-
- if(last_non_zero == 0 && start_i == 0){
- int best_level= 0;
- int best_score= dc * dc;
-
- for(i=0; i<coeff_count[0]; i++){
- int level= coeff[i][0];
- int alevel= FFABS(level);
- int unquant_coeff, score, distortion;
-
- if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
- unquant_coeff= (alevel*qmul + qadd)>>3;
- }else{ //MPEG1
- unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
- unquant_coeff = (unquant_coeff - 1) | 1;
- }
- unquant_coeff = (unquant_coeff + 4) >> 3;
- unquant_coeff<<= 3 + 3;
-
- distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
- level+=64;
- if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
- else score= distortion + esc_length*lambda;
-
- if(score < best_score){
- best_score= score;
- best_level= level - 64;
- }
- }
- block[0]= best_level;
- s->coded_score[n] = best_score - dc*dc;
- if(best_level == 0) return -1;
- else return last_non_zero;
- }
-
- i= last_i;
- av_assert2(last_level);
-
- block[ perm_scantable[last_non_zero] ]= last_level;
- i -= last_run + 1;
-
- for(; i>start_i; i -= run_tab[i] + 1){
- block[ perm_scantable[i-1] ]= level_tab[i];
- }
-
- return last_non_zero;
-}
-
-//#define REFINE_STATS 1
-static int16_t basis[64][64];
-
-static void build_basis(uint8_t *perm){
- int i, j, x, y;
- emms_c();
- for(i=0; i<8; i++){
- for(j=0; j<8; j++){
- for(y=0; y<8; y++){
- for(x=0; x<8; x++){
- double s= 0.25*(1<<BASIS_SHIFT);
- int index= 8*i + j;
- int perm_index= perm[index];
- if(i==0) s*= sqrt(0.5);
- if(j==0) s*= sqrt(0.5);
- basis[perm_index][8*x + y]= lrintf(s * cos((M_PI/8.0)*i*(x+0.5)) * cos((M_PI/8.0)*j*(y+0.5)));
- }
- }
- }
- }
-}
-
-static int dct_quantize_refine(MpegEncContext *s, //FIXME breaks denoise?
- int16_t *block, int16_t *weight, int16_t *orig,
- int n, int qscale){
- int16_t rem[64];
- LOCAL_ALIGNED_16(int16_t, d1, [64]);
- const uint8_t *scantable= s->intra_scantable.scantable;
- const uint8_t *perm_scantable= s->intra_scantable.permutated;
-// unsigned int threshold1, threshold2;
-// int bias=0;
- int run_tab[65];
- int prev_run=0;
- int prev_level=0;
- int qmul, qadd, start_i, last_non_zero, i, dc;
- uint8_t * length;
- uint8_t * last_length;
- int lambda;
- int rle_index, run, q = 1, sum; //q is only used when s->mb_intra is true
-#ifdef REFINE_STATS
-static int count=0;
-static int after_last=0;
-static int to_zero=0;
-static int from_zero=0;
-static int raise=0;
-static int lower=0;
-static int messed_sign=0;
-#endif
-
- if(basis[0][0] == 0)
- build_basis(s->dsp.idct_permutation);
-
- qmul= qscale*2;
- qadd= (qscale-1)|1;
- if (s->mb_intra) {
- if (!s->h263_aic) {
- if (n < 4)
- q = s->y_dc_scale;
- else
- q = s->c_dc_scale;
- } else{
- /* For AIC we skip quant/dequant of INTRADC */
- q = 1;
- qadd=0;
- }
- q <<= RECON_SHIFT-3;
- /* note: block[0] is assumed to be positive */
- dc= block[0]*q;
-// block[0] = (block[0] + (q >> 1)) / q;
- start_i = 1;
-// if(s->mpeg_quant || s->out_format == FMT_MPEG1)
-// bias= 1<<(QMAT_SHIFT-1);
- length = s->intra_ac_vlc_length;
- last_length= s->intra_ac_vlc_last_length;
- } else {
- dc= 0;
- start_i = 0;
- length = s->inter_ac_vlc_length;
- last_length= s->inter_ac_vlc_last_length;
- }
- last_non_zero = s->block_last_index[n];
-
-#ifdef REFINE_STATS
-{START_TIMER
-#endif
- dc += (1<<(RECON_SHIFT-1));
- for(i=0; i<64; i++){
- rem[i]= dc - (orig[i]<<RECON_SHIFT); //FIXME use orig dirrectly instead of copying to rem[]
- }
-#ifdef REFINE_STATS
-STOP_TIMER("memset rem[]")}
-#endif
- sum=0;
- for(i=0; i<64; i++){
- int one= 36;
- int qns=4;
- int w;
-
- w= FFABS(weight[i]) + qns*one;
- w= 15 + (48*qns*one + w/2)/w; // 16 .. 63
-
- weight[i] = w;
-// w=weight[i] = (63*qns + (w/2)) / w;
-
- av_assert2(w>0);
- av_assert2(w<(1<<6));
- sum += w*w;
- }
- lambda= sum*(uint64_t)s->lambda2 >> (FF_LAMBDA_SHIFT - 6 + 6 + 6 + 6);
-#ifdef REFINE_STATS
-{START_TIMER
-#endif
- run=0;
- rle_index=0;
- for(i=start_i; i<=last_non_zero; i++){
- int j= perm_scantable[i];
- const int level= block[j];
- int coeff;
-
- if(level){
- if(level<0) coeff= qmul*level - qadd;
- else coeff= qmul*level + qadd;
- run_tab[rle_index++]=run;
- run=0;
-
- s->dsp.add_8x8basis(rem, basis[j], coeff);
- }else{
- run++;
- }
- }
-#ifdef REFINE_STATS
-if(last_non_zero>0){
-STOP_TIMER("init rem[]")
-}
-}
-
-{START_TIMER
-#endif
- for(;;){
- int best_score=s->dsp.try_8x8basis(rem, weight, basis[0], 0);
- int best_coeff=0;
- int best_change=0;
- int run2, best_unquant_change=0, analyze_gradient;
-#ifdef REFINE_STATS
-{START_TIMER
-#endif
- analyze_gradient = last_non_zero > 2 || s->quantizer_noise_shaping >= 3;
-
- if(analyze_gradient){
-#ifdef REFINE_STATS
-{START_TIMER
-#endif
- for(i=0; i<64; i++){
- int w= weight[i];
-
- d1[i] = (rem[i]*w*w + (1<<(RECON_SHIFT+12-1)))>>(RECON_SHIFT+12);
- }
-#ifdef REFINE_STATS
-STOP_TIMER("rem*w*w")}
-{START_TIMER
-#endif
- s->dsp.fdct(d1);
-#ifdef REFINE_STATS
-STOP_TIMER("dct")}
-#endif
- }
-
- if(start_i){
- const int level= block[0];
- int change, old_coeff;
-
- av_assert2(s->mb_intra);
-
- old_coeff= q*level;
-
- for(change=-1; change<=1; change+=2){
- int new_level= level + change;
- int score, new_coeff;
-
- new_coeff= q*new_level;
- if(new_coeff >= 2048 || new_coeff < 0)
- continue;
-
- score= s->dsp.try_8x8basis(rem, weight, basis[0], new_coeff - old_coeff);
- if(score<best_score){
- best_score= score;
- best_coeff= 0;
- best_change= change;
- best_unquant_change= new_coeff - old_coeff;
- }
- }
- }
-
- run=0;
- rle_index=0;
- run2= run_tab[rle_index++];
- prev_level=0;
- prev_run=0;
-
- for(i=start_i; i<64; i++){
- int j= perm_scantable[i];
- const int level= block[j];
- int change, old_coeff;
-
- if(s->quantizer_noise_shaping < 3 && i > last_non_zero + 1)
- break;
-
- if(level){
- if(level<0) old_coeff= qmul*level - qadd;
- else old_coeff= qmul*level + qadd;
- run2= run_tab[rle_index++]; //FIXME ! maybe after last
- }else{
- old_coeff=0;
- run2--;
- av_assert2(run2>=0 || i >= last_non_zero );
- }
-
- for(change=-1; change<=1; change+=2){
- int new_level= level + change;
- int score, new_coeff, unquant_change;
-
- score=0;
- if(s->quantizer_noise_shaping < 2 && FFABS(new_level) > FFABS(level))
- continue;
-
- if(new_level){
- if(new_level<0) new_coeff= qmul*new_level - qadd;
- else new_coeff= qmul*new_level + qadd;
- if(new_coeff >= 2048 || new_coeff <= -2048)
- continue;
- //FIXME check for overflow
-
- if(level){
- if(level < 63 && level > -63){
- if(i < last_non_zero)
- score += length[UNI_AC_ENC_INDEX(run, new_level+64)]
- - length[UNI_AC_ENC_INDEX(run, level+64)];
- else
- score += last_length[UNI_AC_ENC_INDEX(run, new_level+64)]
- - last_length[UNI_AC_ENC_INDEX(run, level+64)];
- }
- }else{
- av_assert2(FFABS(new_level)==1);
-
- if(analyze_gradient){
- int g= d1[ scantable[i] ];
- if(g && (g^new_level) >= 0)
- continue;
- }
-
- if(i < last_non_zero){
- int next_i= i + run2 + 1;
- int next_level= block[ perm_scantable[next_i] ] + 64;
-
- if(next_level&(~127))
- next_level= 0;
-
- if(next_i < last_non_zero)
- score += length[UNI_AC_ENC_INDEX(run, 65)]
- + length[UNI_AC_ENC_INDEX(run2, next_level)]
- - length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
- else
- score += length[UNI_AC_ENC_INDEX(run, 65)]
- + last_length[UNI_AC_ENC_INDEX(run2, next_level)]
- - last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)];
- }else{
- score += last_length[UNI_AC_ENC_INDEX(run, 65)];
- if(prev_level){
- score += length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
- - last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
- }
- }
- }
- }else{
- new_coeff=0;
- av_assert2(FFABS(level)==1);
-
- if(i < last_non_zero){
- int next_i= i + run2 + 1;
- int next_level= block[ perm_scantable[next_i] ] + 64;
-
- if(next_level&(~127))
- next_level= 0;
-
- if(next_i < last_non_zero)
- score += length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
- - length[UNI_AC_ENC_INDEX(run2, next_level)]
- - length[UNI_AC_ENC_INDEX(run, 65)];
- else
- score += last_length[UNI_AC_ENC_INDEX(run + run2 + 1, next_level)]
- - last_length[UNI_AC_ENC_INDEX(run2, next_level)]
- - length[UNI_AC_ENC_INDEX(run, 65)];
- }else{
- score += -last_length[UNI_AC_ENC_INDEX(run, 65)];
- if(prev_level){
- score += last_length[UNI_AC_ENC_INDEX(prev_run, prev_level)]
- - length[UNI_AC_ENC_INDEX(prev_run, prev_level)];
- }
- }
- }
-
- score *= lambda;
-
- unquant_change= new_coeff - old_coeff;
- av_assert2((score < 100*lambda && score > -100*lambda) || lambda==0);
-
- score+= s->dsp.try_8x8basis(rem, weight, basis[j], unquant_change);
- if(score<best_score){
- best_score= score;
- best_coeff= i;
- best_change= change;
- best_unquant_change= unquant_change;
- }
- }
- if(level){
- prev_level= level + 64;
- if(prev_level&(~127))
- prev_level= 0;
- prev_run= run;
- run=0;
- }else{
- run++;
- }
- }
-#ifdef REFINE_STATS
-STOP_TIMER("iterative step")}
-#endif
-
- if(best_change){
- int j= perm_scantable[ best_coeff ];
-
- block[j] += best_change;
-
- if(best_coeff > last_non_zero){
- last_non_zero= best_coeff;
- av_assert2(block[j]);
-#ifdef REFINE_STATS
-after_last++;
-#endif
- }else{
-#ifdef REFINE_STATS
-if(block[j]){
- if(block[j] - best_change){
- if(FFABS(block[j]) > FFABS(block[j] - best_change)){
- raise++;
- }else{
- lower++;
- }
- }else{
- from_zero++;
- }
-}else{
- to_zero++;
-}
-#endif
- for(; last_non_zero>=start_i; last_non_zero--){
- if(block[perm_scantable[last_non_zero]])
- break;
- }
- }
-#ifdef REFINE_STATS
-count++;
-if(256*256*256*64 % count == 0){
- av_log(s->avctx, AV_LOG_DEBUG, "after_last:%d to_zero:%d from_zero:%d raise:%d lower:%d sign:%d xyp:%d/%d/%d\n", after_last, to_zero, from_zero, raise, lower, messed_sign, s->mb_x, s->mb_y, s->picture_number);
-}
-#endif
- run=0;
- rle_index=0;
- for(i=start_i; i<=last_non_zero; i++){
- int j= perm_scantable[i];
- const int level= block[j];
-
- if(level){
- run_tab[rle_index++]=run;
- run=0;
- }else{
- run++;
- }
- }
-
- s->dsp.add_8x8basis(rem, basis[j], best_unquant_change);
- }else{
- break;
- }
- }
-#ifdef REFINE_STATS
-if(last_non_zero>0){
-STOP_TIMER("iterative search")
-}
-}
-#endif
-
- return last_non_zero;
-}
-
-int ff_dct_quantize_c(MpegEncContext *s,
- int16_t *block, int n,
- int qscale, int *overflow)
-{
- int i, j, level, last_non_zero, q, start_i;
- const int *qmat;
- const uint8_t *scantable= s->intra_scantable.scantable;
- int bias;
- int max=0;
- unsigned int threshold1, threshold2;
-
- s->dsp.fdct (block);
-
- if(s->dct_error_sum)
- s->denoise_dct(s, block);
-
- if (s->mb_intra) {
- if (!s->h263_aic) {
- if (n < 4)
- q = s->y_dc_scale;
- else
- q = s->c_dc_scale;
- q = q << 3;
- } else
- /* For AIC we skip quant/dequant of INTRADC */
- q = 1 << 3;
-
- /* note: block[0] is assumed to be positive */
- block[0] = (block[0] + (q >> 1)) / q;
- start_i = 1;
- last_non_zero = 0;
- qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
- bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
- } else {
- start_i = 0;
- last_non_zero = -1;
- qmat = s->q_inter_matrix[qscale];
- bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
- }
- threshold1= (1<<QMAT_SHIFT) - bias - 1;
- threshold2= (threshold1<<1);
- for(i=63;i>=start_i;i--) {
- j = scantable[i];
- level = block[j] * qmat[j];
-
- if(((unsigned)(level+threshold1))>threshold2){
- last_non_zero = i;
- break;
- }else{
- block[j]=0;
- }
- }
- for(i=start_i; i<=last_non_zero; i++) {
- j = scantable[i];
- level = block[j] * qmat[j];
-
-// if( bias+level >= (1<<QMAT_SHIFT)
-// || bias-level >= (1<<QMAT_SHIFT)){
- if(((unsigned)(level+threshold1))>threshold2){
- if(level>0){
- level= (bias + level)>>QMAT_SHIFT;
- block[j]= level;
- }else{
- level= (bias - level)>>QMAT_SHIFT;
- block[j]= -level;
- }
- max |=level;
- }else{
- block[j]=0;
- }
- }
- *overflow= s->max_qcoeff < max; //overflow might have happened
-
- /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
- if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
- ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero);
-
- return last_non_zero;
-}
-
-#define OFFSET(x) offsetof(MpegEncContext, x)
-#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
-static const AVOption h263_options[] = {
- { "obmc", "use overlapped block motion compensation.", OFFSET(obmc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
- { "structured_slices","Write slice start position at every GOB header instead of just GOB number.", OFFSET(h263_slice_structured), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE},
- { "mb_info", "emit macroblock info for RFC 2190 packetization, the parameter value is the maximum payload size", OFFSET(mb_info), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
- FF_MPV_COMMON_OPTS
- { NULL },
-};
-
-static const AVClass h263_class = {
- .class_name = "H.263 encoder",
- .item_name = av_default_item_name,
- .option = h263_options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-AVCodec ff_h263_encoder = {
- .name = "h263",
- .long_name = NULL_IF_CONFIG_SMALL("H.263 / H.263-1996"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_H263,
- .priv_data_size = sizeof(MpegEncContext),
- .init = ff_MPV_encode_init,
- .encode2 = ff_MPV_encode_picture,
- .close = ff_MPV_encode_end,
- .pix_fmts= (const enum AVPixelFormat[]){AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE},
- .priv_class = &h263_class,
-};
-
-static const AVOption h263p_options[] = {
- { "umv", "Use unlimited motion vectors.", OFFSET(umvplus), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
- { "aiv", "Use alternative inter VLC.", OFFSET(alt_inter_vlc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
- { "obmc", "use overlapped block motion compensation.", OFFSET(obmc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
- { "structured_slices", "Write slice start position at every GOB header instead of just GOB number.", OFFSET(h263_slice_structured), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE},
- FF_MPV_COMMON_OPTS
- { NULL },
-};
-static const AVClass h263p_class = {
- .class_name = "H.263p encoder",
- .item_name = av_default_item_name,
- .option = h263p_options,
- .version = LIBAVUTIL_VERSION_INT,
-};
-
-AVCodec ff_h263p_encoder = {
- .name = "h263p",
- .long_name = NULL_IF_CONFIG_SMALL("H.263+ / H.263-1998 / H.263 version 2"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_H263P,
- .priv_data_size = sizeof(MpegEncContext),
- .init = ff_MPV_encode_init,
- .encode2 = ff_MPV_encode_picture,
- .close = ff_MPV_encode_end,
- .capabilities = CODEC_CAP_SLICE_THREADS,
- .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
- .priv_class = &h263p_class,
-};
-
-FF_MPV_GENERIC_CLASS(msmpeg4v2)
-
-AVCodec ff_msmpeg4v2_encoder = {
- .name = "msmpeg4v2",
- .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_MSMPEG4V2,
- .priv_data_size = sizeof(MpegEncContext),
- .init = ff_MPV_encode_init,
- .encode2 = ff_MPV_encode_picture,
- .close = ff_MPV_encode_end,
- .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
- .priv_class = &msmpeg4v2_class,
-};
-
-FF_MPV_GENERIC_CLASS(msmpeg4v3)
-
-AVCodec ff_msmpeg4v3_encoder = {
- .name = "msmpeg4",
- .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_MSMPEG4V3,
- .priv_data_size = sizeof(MpegEncContext),
- .init = ff_MPV_encode_init,
- .encode2 = ff_MPV_encode_picture,
- .close = ff_MPV_encode_end,
- .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
- .priv_class = &msmpeg4v3_class,
-};
-
-FF_MPV_GENERIC_CLASS(wmv1)
-
-AVCodec ff_wmv1_encoder = {
- .name = "wmv1",
- .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 7"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_WMV1,
- .priv_data_size = sizeof(MpegEncContext),
- .init = ff_MPV_encode_init,
- .encode2 = ff_MPV_encode_picture,
- .close = ff_MPV_encode_end,
- .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
- .priv_class = &wmv1_class,
-};
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-06 21:59:35 +0000