3826 lines
138 KiB
C
3826 lines
138 KiB
C
/*
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* The simplest mpeg encoder (well, it was the simplest!)
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* Copyright (c) 2000,2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file libavcodec/mpegvideo_enc.c
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* The simplest mpeg encoder (well, it was the simplest!).
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*/
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#include "avcodec.h"
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#include "dsputil.h"
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#include "mpegvideo.h"
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#include "mpegvideo_common.h"
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#include "mjpegenc.h"
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#include "msmpeg4.h"
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#include "h263.h"
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#include "faandct.h"
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#include "aandcttab.h"
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#include <limits.h>
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//#undef NDEBUG
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//#include <assert.h>
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static int encode_picture(MpegEncContext *s, int picture_number);
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static int dct_quantize_refine(MpegEncContext *s, DCTELEM *block, int16_t *weight, DCTELEM *orig, int n, int qscale);
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static int sse_mb(MpegEncContext *s);
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/* enable all paranoid tests for rounding, overflows, etc... */
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//#define PARANOID
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//#define DEBUG
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static uint8_t default_mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
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static uint8_t default_fcode_tab[MAX_MV*2+1];
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void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64], uint16_t (*qmat16)[2][64],
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const uint16_t *quant_matrix, int bias, int qmin, int qmax, int intra)
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{
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int qscale;
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int shift=0;
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for(qscale=qmin; qscale<=qmax; qscale++){
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int i;
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if (dsp->fdct == ff_jpeg_fdct_islow
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#ifdef FAAN_POSTSCALE
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|| dsp->fdct == ff_faandct
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#endif
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) {
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for(i=0;i<64;i++) {
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const int j= dsp->idct_permutation[i];
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/* 16 <= qscale * quant_matrix[i] <= 7905 */
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/* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
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/* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1 << 36) / 249205026 */
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/* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) /
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(qscale * quant_matrix[j]));
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}
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} else if (dsp->fdct == fdct_ifast
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#ifndef FAAN_POSTSCALE
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|| dsp->fdct == ff_faandct
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#endif
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) {
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for(i=0;i<64;i++) {
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const int j= dsp->idct_permutation[i];
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/* 16 <= qscale * quant_matrix[i] <= 7905 */
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/* 19952 <= ff_aanscales[i] * qscale * quant_matrix[i] <= 249205026 */
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/* (1 << 36) / 19952 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
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/* 3444240 >= (1 << 36) / (ff_aanscales[i] * qscale * quant_matrix[i]) >= 275 */
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qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
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(ff_aanscales[i] * qscale * quant_matrix[j]));
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}
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} else {
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for(i=0;i<64;i++) {
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const int j= dsp->idct_permutation[i];
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/* We can safely suppose that 16 <= quant_matrix[i] <= 255
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So 16 <= qscale * quant_matrix[i] <= 7905
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so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
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so 32768 >= (1<<19) / (qscale * quant_matrix[i]) >= 67
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*/
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qmat[qscale][i] = (int)((UINT64_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
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// qmat [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
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qmat16[qscale][0][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
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if(qmat16[qscale][0][i]==0 || qmat16[qscale][0][i]==128*256) qmat16[qscale][0][i]=128*256-1;
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qmat16[qscale][1][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][0][i]);
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}
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}
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for(i=intra; i<64; i++){
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int64_t max= 8191;
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if (dsp->fdct == fdct_ifast
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#ifndef FAAN_POSTSCALE
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|| dsp->fdct == ff_faandct
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#endif
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) {
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max = (8191LL*ff_aanscales[i]) >> 14;
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}
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while(((max * qmat[qscale][i]) >> shift) > INT_MAX){
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shift++;
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}
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}
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}
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if(shift){
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av_log(NULL, AV_LOG_INFO, "Warning, QMAT_SHIFT is larger than %d, overflows possible\n", QMAT_SHIFT - shift);
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}
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}
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static inline void update_qscale(MpegEncContext *s){
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s->qscale= (s->lambda*139 + FF_LAMBDA_SCALE*64) >> (FF_LAMBDA_SHIFT + 7);
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s->qscale= av_clip(s->qscale, s->avctx->qmin, s->avctx->qmax);
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s->lambda2= (s->lambda*s->lambda + FF_LAMBDA_SCALE/2) >> FF_LAMBDA_SHIFT;
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}
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void ff_write_quant_matrix(PutBitContext *pb, uint16_t *matrix){
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int i;
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if(matrix){
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put_bits(pb, 1, 1);
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for(i=0;i<64;i++) {
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put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
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}
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}else
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put_bits(pb, 1, 0);
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}
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static void copy_picture_attributes(MpegEncContext *s, AVFrame *dst, AVFrame *src){
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int i;
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dst->pict_type = src->pict_type;
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dst->quality = src->quality;
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dst->coded_picture_number = src->coded_picture_number;
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dst->display_picture_number = src->display_picture_number;
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// dst->reference = src->reference;
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dst->pts = src->pts;
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dst->interlaced_frame = src->interlaced_frame;
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dst->top_field_first = src->top_field_first;
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if(s->avctx->me_threshold){
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if(!src->motion_val[0])
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av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_val not set!\n");
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if(!src->mb_type)
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av_log(s->avctx, AV_LOG_ERROR, "AVFrame.mb_type not set!\n");
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if(!src->ref_index[0])
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av_log(s->avctx, AV_LOG_ERROR, "AVFrame.ref_index not set!\n");
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if(src->motion_subsample_log2 != dst->motion_subsample_log2)
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av_log(s->avctx, AV_LOG_ERROR, "AVFrame.motion_subsample_log2 doesn't match! (%d!=%d)\n",
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src->motion_subsample_log2, dst->motion_subsample_log2);
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memcpy(dst->mb_type, src->mb_type, s->mb_stride * s->mb_height * sizeof(dst->mb_type[0]));
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for(i=0; i<2; i++){
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int stride= ((16*s->mb_width )>>src->motion_subsample_log2) + 1;
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int height= ((16*s->mb_height)>>src->motion_subsample_log2);
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if(src->motion_val[i] && src->motion_val[i] != dst->motion_val[i]){
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memcpy(dst->motion_val[i], src->motion_val[i], 2*stride*height*sizeof(int16_t));
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}
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if(src->ref_index[i] && src->ref_index[i] != dst->ref_index[i]){
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memcpy(dst->ref_index[i], src->ref_index[i], s->b8_stride*2*s->mb_height*sizeof(int8_t));
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}
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}
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}
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}
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static void update_duplicate_context_after_me(MpegEncContext *dst, MpegEncContext *src){
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#define COPY(a) dst->a= src->a
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COPY(pict_type);
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COPY(current_picture);
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COPY(f_code);
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COPY(b_code);
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COPY(qscale);
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COPY(lambda);
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COPY(lambda2);
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COPY(picture_in_gop_number);
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COPY(gop_picture_number);
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COPY(frame_pred_frame_dct); //FIXME don't set in encode_header
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COPY(progressive_frame); //FIXME don't set in encode_header
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COPY(partitioned_frame); //FIXME don't set in encode_header
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#undef COPY
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}
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/**
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* sets the given MpegEncContext to defaults for encoding.
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* the changed fields will not depend upon the prior state of the MpegEncContext.
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*/
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static void MPV_encode_defaults(MpegEncContext *s){
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int i;
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MPV_common_defaults(s);
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for(i=-16; i<16; i++){
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default_fcode_tab[i + MAX_MV]= 1;
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}
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s->me.mv_penalty= default_mv_penalty;
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s->fcode_tab= default_fcode_tab;
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}
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/* init video encoder */
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av_cold int MPV_encode_init(AVCodecContext *avctx)
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{
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MpegEncContext *s = avctx->priv_data;
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int i;
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int chroma_h_shift, chroma_v_shift;
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MPV_encode_defaults(s);
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switch (avctx->codec_id) {
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case CODEC_ID_MPEG2VIDEO:
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if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
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av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
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return -1;
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}
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break;
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case CODEC_ID_LJPEG:
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case CODEC_ID_MJPEG:
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if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_RGB32 &&
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((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
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av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
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return -1;
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}
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break;
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default:
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if(avctx->pix_fmt != PIX_FMT_YUV420P){
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av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
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return -1;
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}
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}
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switch (avctx->pix_fmt) {
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case PIX_FMT_YUVJ422P:
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case PIX_FMT_YUV422P:
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s->chroma_format = CHROMA_422;
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break;
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case PIX_FMT_YUVJ420P:
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case PIX_FMT_YUV420P:
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default:
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s->chroma_format = CHROMA_420;
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break;
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}
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s->bit_rate = avctx->bit_rate;
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s->width = avctx->width;
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s->height = avctx->height;
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if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
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av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
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avctx->gop_size=600;
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}
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s->gop_size = avctx->gop_size;
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s->avctx = avctx;
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s->flags= avctx->flags;
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s->flags2= avctx->flags2;
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s->max_b_frames= avctx->max_b_frames;
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s->codec_id= avctx->codec->id;
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s->luma_elim_threshold = avctx->luma_elim_threshold;
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s->chroma_elim_threshold= avctx->chroma_elim_threshold;
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s->strict_std_compliance= avctx->strict_std_compliance;
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s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
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s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
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s->mpeg_quant= avctx->mpeg_quant;
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s->rtp_mode= !!avctx->rtp_payload_size;
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s->intra_dc_precision= avctx->intra_dc_precision;
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s->user_specified_pts = AV_NOPTS_VALUE;
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if (s->gop_size <= 1) {
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s->intra_only = 1;
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s->gop_size = 12;
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} else {
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s->intra_only = 0;
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}
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s->me_method = avctx->me_method;
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/* Fixed QSCALE */
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s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
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s->adaptive_quant= ( s->avctx->lumi_masking
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|| s->avctx->dark_masking
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|| s->avctx->temporal_cplx_masking
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|| s->avctx->spatial_cplx_masking
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|| s->avctx->p_masking
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|| s->avctx->border_masking
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|| (s->flags&CODEC_FLAG_QP_RD))
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&& !s->fixed_qscale;
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s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
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s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
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s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
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s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
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s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
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if(avctx->rc_max_rate && !avctx->rc_buffer_size){
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av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
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return -1;
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}
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if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
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av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
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}
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if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
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av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
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return -1;
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}
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if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
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av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
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return -1;
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}
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if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
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av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
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}
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if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
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av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
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return -1;
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}
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if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
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av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
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return -1;
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}
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if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
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&& (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
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&& 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
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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");
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}
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if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
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&& s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
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av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
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return -1;
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}
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if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
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av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
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return -1;
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}
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if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
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av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
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return -1;
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}
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if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
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av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
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return -1;
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}
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if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
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av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
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return -1;
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}
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if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
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av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
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return -1;
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}
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if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
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&& s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
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av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
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return -1;
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}
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if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
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av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
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return -1;
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}
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if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
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av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
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return -1;
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}
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if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
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av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
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return -1;
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}
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|
|
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->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
|
|
av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
|
|
return -1;
|
|
}
|
|
|
|
if(s->flags & CODEC_FLAG_LOW_DELAY){
|
|
if (s->codec_id != 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(s->codec_id != CODEC_ID_MPEG2VIDEO){
|
|
av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
|
|
return -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 != CODEC_ID_MPEG4
|
|
&& s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
|
|
&& (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
|
|
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->thread_count > 1)
|
|
s->rtp_mode= 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->me_threshold >= i){
|
|
av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
|
|
return -1;
|
|
}
|
|
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->codec_id==CODEC_ID_MJPEG){
|
|
s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
|
|
s->inter_quant_bias= 0;
|
|
}else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
|
|
s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
|
|
s->inter_quant_bias= 0;
|
|
}else{
|
|
s->intra_quant_bias=0;
|
|
s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
|
|
}
|
|
|
|
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;
|
|
|
|
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
|
|
|
|
if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
|
|
av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
|
|
return -1;
|
|
}
|
|
s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
|
|
|
|
switch(avctx->codec->id) {
|
|
case 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 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 CODEC_ID_LJPEG:
|
|
case CODEC_ID_MJPEG:
|
|
s->out_format = FMT_MJPEG;
|
|
s->intra_only = 1; /* force intra only for jpeg */
|
|
s->mjpeg_vsample[0] = 2;
|
|
s->mjpeg_vsample[1] = 2>>chroma_v_shift;
|
|
s->mjpeg_vsample[2] = 2>>chroma_v_shift;
|
|
s->mjpeg_hsample[0] = 2;
|
|
s->mjpeg_hsample[1] = 2>>chroma_h_shift;
|
|
s->mjpeg_hsample[2] = 2>>chroma_h_shift;
|
|
if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
|
|
|| ff_mjpeg_encode_init(s) < 0)
|
|
return -1;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case 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 CODEC_ID_H263:
|
|
if (!CONFIG_H263_ENCODER) return -1;
|
|
if (h263_get_picture_format(s->width, s->height) == 7) {
|
|
av_log(avctx, AV_LOG_INFO, "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;
|
|
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_H263P:
|
|
s->out_format = FMT_H263;
|
|
s->h263_plus = 1;
|
|
/* Fx */
|
|
s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
|
|
s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
|
|
s->modified_quant= s->h263_aic;
|
|
s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
|
|
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
|
|
s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
|
|
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
|
|
s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
|
|
|
|
/* /Fx */
|
|
/* These are just to be sure */
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case 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 CODEC_ID_RV10:
|
|
s->out_format = FMT_H263;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case 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= s->obmc || s->loop_filter || s->umvplus;
|
|
break;
|
|
case 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 CODEC_ID_MSMPEG4V1:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version= 1;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_MSMPEG4V2:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
s->h263_pred = 1;
|
|
s->unrestricted_mv = 1;
|
|
s->msmpeg4_version= 2;
|
|
avctx->delay=0;
|
|
s->low_delay=1;
|
|
break;
|
|
case CODEC_ID_MSMPEG4V3:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
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 CODEC_ID_WMV1:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
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 CODEC_ID_WMV2:
|
|
s->out_format = FMT_H263;
|
|
s->h263_msmpeg4 = 1;
|
|
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|CODEC_FLAG_ALT_SCAN));
|
|
|
|
/* init */
|
|
if (MPV_common_init(s) < 0)
|
|
return -1;
|
|
|
|
if(!s->dct_quantize)
|
|
s->dct_quantize = dct_quantize_c;
|
|
if(!s->denoise_dct)
|
|
s->denoise_dct = denoise_dct_c;
|
|
s->fast_dct_quantize = s->dct_quantize;
|
|
if(avctx->trellis)
|
|
s->dct_quantize = dct_quantize_trellis_c;
|
|
|
|
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_ANY_H263_ENCODER && s->out_format == FMT_H263)
|
|
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==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;
|
|
|
|
return 0;
|
|
}
|
|
|
|
av_cold int MPV_encode_end(AVCodecContext *avctx)
|
|
{
|
|
MpegEncContext *s = avctx->priv_data;
|
|
|
|
ff_rate_control_uninit(s);
|
|
|
|
MPV_common_end(s);
|
|
if ((CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER) && s->out_format == FMT_MJPEG)
|
|
ff_mjpeg_encode_close(s);
|
|
|
|
av_freep(&avctx->extradata);
|
|
|
|
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, AVFrame *pic_arg){
|
|
AVFrame *pic=NULL;
|
|
int64_t pts;
|
|
int i;
|
|
const int encoding_delay= s->max_b_frames;
|
|
int direct=1;
|
|
|
|
if(pic_arg){
|
|
pts= pic_arg->pts;
|
|
pic_arg->display_picture_number= s->input_picture_number++;
|
|
|
|
if(pts != AV_NOPTS_VALUE){
|
|
if(s->user_specified_pts != AV_NOPTS_VALUE){
|
|
int64_t time= pts;
|
|
int64_t last= s->user_specified_pts;
|
|
|
|
if(time <= last){
|
|
av_log(s->avctx, AV_LOG_ERROR, "Error, Invalid timestamp=%"PRId64", last=%"PRId64"\n", pts, s->user_specified_pts);
|
|
return -1;
|
|
}
|
|
}
|
|
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= pic_arg->display_picture_number;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(pic_arg){
|
|
if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) 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_log(AV_LOG_DEBUG, "%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
|
|
|
|
if(direct){
|
|
i= ff_find_unused_picture(s, 1);
|
|
|
|
pic= (AVFrame*)&s->picture[i];
|
|
pic->reference= 3;
|
|
|
|
for(i=0; i<4; i++){
|
|
pic->data[i]= pic_arg->data[i];
|
|
pic->linesize[i]= pic_arg->linesize[i];
|
|
}
|
|
ff_alloc_picture(s, (Picture*)pic, 1);
|
|
}else{
|
|
i= ff_find_unused_picture(s, 0);
|
|
|
|
pic= (AVFrame*)&s->picture[i];
|
|
pic->reference= 3;
|
|
|
|
ff_alloc_picture(s, (Picture*)pic, 0);
|
|
|
|
if( pic->data[0] + INPLACE_OFFSET == pic_arg->data[0]
|
|
&& pic->data[1] + INPLACE_OFFSET == pic_arg->data[1]
|
|
&& pic->data[2] + INPLACE_OFFSET == pic_arg->data[2]){
|
|
// empty
|
|
}else{
|
|
int h_chroma_shift, v_chroma_shift;
|
|
avcodec_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->data[i];
|
|
|
|
if(!s->avctx->rc_buffer_size)
|
|
dst +=INPLACE_OFFSET;
|
|
|
|
if(src_stride==dst_stride)
|
|
memcpy(dst, src, src_stride*h);
|
|
else{
|
|
while(h--){
|
|
memcpy(dst, src, w);
|
|
dst += dst_stride;
|
|
src += src_stride;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
copy_picture_attributes(s, pic, pic_arg);
|
|
pic->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->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->type == FF_BUFFER_TYPE_SHARED ? 0: 16;
|
|
int v= s->dsp.frame_skip_cmp[1](s, p->data[plane] + 8*(x + y*stride)+off, ref->data[plane] + 8*(x + y*stride), stride, 8);
|
|
|
|
switch(s->avctx->frame_skip_exp){
|
|
case 0: score= FFMAX(score, v); break;
|
|
case 1: score+= FFABS(v);break;
|
|
case 2: score+= v*v;break;
|
|
case 3: score64+= FFABS(v*v*(int64_t)v);break;
|
|
case 4: score64+= v*v*(int64_t)(v*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 estimate_best_b_count(MpegEncContext *s){
|
|
AVCodec *codec= avcodec_find_encoder(s->avctx->codec_id);
|
|
AVCodecContext *c= avcodec_alloc_context();
|
|
AVFrame input[FF_MAX_B_FRAMES+2];
|
|
const int scale= s->avctx->brd_scale;
|
|
int i, j, out_size, p_lambda, b_lambda, lambda2;
|
|
int outbuf_size= s->width * s->height; //FIXME
|
|
uint8_t *outbuf= av_malloc(outbuf_size);
|
|
int64_t best_rd= INT64_MAX;
|
|
int best_b_count= -1;
|
|
|
|
assert(scale>=0 && scale <=3);
|
|
|
|
// emms_c();
|
|
p_lambda= s->last_lambda_for[FF_P_TYPE]; //s->next_picture_ptr->quality;
|
|
b_lambda= s->last_lambda_for[FF_B_TYPE]; //p_lambda *FFABS(s->avctx->b_quant_factor) + s->avctx->b_quant_offset;
|
|
if(!b_lambda) b_lambda= p_lambda; //FIXME we should do this somewhere else
|
|
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 = PIX_FMT_YUV420P;
|
|
c->time_base= s->avctx->time_base;
|
|
c->max_b_frames= s->max_b_frames;
|
|
|
|
if (avcodec_open(c, codec) < 0)
|
|
return -1;
|
|
|
|
for(i=0; i<s->max_b_frames+2; i++){
|
|
int ysize= c->width*c->height;
|
|
int csize= (c->width/2)*(c->height/2);
|
|
Picture pre_input, *pre_input_ptr= i ? s->input_picture[i-1] : s->next_picture_ptr;
|
|
|
|
avcodec_get_frame_defaults(&input[i]);
|
|
input[i].data[0]= av_malloc(ysize + 2*csize);
|
|
input[i].data[1]= input[i].data[0] + ysize;
|
|
input[i].data[2]= input[i].data[1] + csize;
|
|
input[i].linesize[0]= c->width;
|
|
input[i].linesize[1]=
|
|
input[i].linesize[2]= c->width/2;
|
|
|
|
if(pre_input_ptr && (!i || s->input_picture[i-1])) {
|
|
pre_input= *pre_input_ptr;
|
|
|
|
if(pre_input.type != FF_BUFFER_TYPE_SHARED && i) {
|
|
pre_input.data[0]+=INPLACE_OFFSET;
|
|
pre_input.data[1]+=INPLACE_OFFSET;
|
|
pre_input.data[2]+=INPLACE_OFFSET;
|
|
}
|
|
|
|
s->dsp.shrink[scale](input[i].data[0], input[i].linesize[0], pre_input.data[0], pre_input.linesize[0], c->width, c->height);
|
|
s->dsp.shrink[scale](input[i].data[1], input[i].linesize[1], pre_input.data[1], pre_input.linesize[1], c->width>>1, c->height>>1);
|
|
s->dsp.shrink[scale](input[i].data[2], input[i].linesize[2], pre_input.data[2], pre_input.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;
|
|
|
|
input[0].pict_type= FF_I_TYPE;
|
|
input[0].quality= 1 * FF_QP2LAMBDA;
|
|
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[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;
|
|
|
|
input[i+1].pict_type= is_p ? FF_P_TYPE : FF_B_TYPE;
|
|
input[i+1].quality= is_p ? p_lambda : b_lambda;
|
|
out_size = avcodec_encode_video(c, outbuf, outbuf_size, &input[i+1]);
|
|
rd += (out_size * lambda2) >> (FF_LAMBDA_SHIFT - 3);
|
|
}
|
|
|
|
/* get the delayed frames */
|
|
while(out_size){
|
|
out_size = avcodec_encode_video(c, outbuf, outbuf_size, 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;
|
|
}
|
|
}
|
|
|
|
av_freep(&outbuf);
|
|
avcodec_close(c);
|
|
av_freep(&c);
|
|
|
|
for(i=0; i<s->max_b_frames+2; i++){
|
|
av_freep(&input[i].data[0]);
|
|
}
|
|
|
|
return best_b_count;
|
|
}
|
|
|
|
static void select_input_picture(MpegEncContext *s){
|
|
int i;
|
|
|
|
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->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]->pict_type= FF_I_TYPE;
|
|
s->reordered_input_picture[0]->coded_picture_number= s->coded_picture_number++;
|
|
}else{
|
|
int b_frames;
|
|
|
|
if(s->avctx->frame_skip_threshold || s->avctx->frame_skip_factor){
|
|
if(s->picture_in_gop_number < s->gop_size && skip_check(s, s->input_picture[0], s->next_picture_ptr)){
|
|
//FIXME check that te gop check above is +-1 correct
|
|
//av_log(NULL, AV_LOG_DEBUG, "skip %p %"PRId64"\n", s->input_picture[0]->data[0], s->input_picture[0]->pts);
|
|
|
|
if(s->input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
|
|
for(i=0; i<4; i++)
|
|
s->input_picture[0]->data[i]= NULL;
|
|
s->input_picture[0]->type= 0;
|
|
}else{
|
|
assert( s->input_picture[0]->type==FF_BUFFER_TYPE_USER
|
|
|| s->input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
|
|
|
|
s->avctx->release_buffer(s->avctx, (AVFrame*)s->input_picture[0]);
|
|
}
|
|
|
|
emms_c();
|
|
ff_vbv_update(s, 0);
|
|
|
|
goto no_output_pic;
|
|
}
|
|
}
|
|
|
|
if(s->flags&CODEC_FLAG_PASS2){
|
|
for(i=0; i<s->max_b_frames+1; i++){
|
|
int pict_num= s->input_picture[0]->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 = FF_P_TYPE;
|
|
break;
|
|
}
|
|
|
|
s->input_picture[i]->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 ]->data[0],
|
|
s->input_picture[i-1]->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();
|
|
//static int b_count=0;
|
|
//b_count+= b_frames;
|
|
//av_log(s->avctx, AV_LOG_DEBUG, "b_frames: %d\n", b_count);
|
|
|
|
for(i= b_frames - 1; i>=0; i--){
|
|
int type= s->input_picture[i]->pict_type;
|
|
if(type && type != FF_B_TYPE)
|
|
b_frames= i;
|
|
}
|
|
if(s->input_picture[b_frames]->pict_type == FF_B_TYPE && 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->flags2 & CODEC_FLAG2_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]->pict_type= FF_I_TYPE;
|
|
}
|
|
}
|
|
|
|
if( (s->flags & CODEC_FLAG_CLOSED_GOP)
|
|
&& b_frames
|
|
&& s->input_picture[b_frames]->pict_type== FF_I_TYPE)
|
|
b_frames--;
|
|
|
|
s->reordered_input_picture[0]= s->input_picture[b_frames];
|
|
if(s->reordered_input_picture[0]->pict_type != FF_I_TYPE)
|
|
s->reordered_input_picture[0]->pict_type= FF_P_TYPE;
|
|
s->reordered_input_picture[0]->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]->pict_type= FF_B_TYPE;
|
|
s->reordered_input_picture[i+1]->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]->pict_type!=FF_B_TYPE ? 3 : 0;
|
|
|
|
ff_copy_picture(&s->new_picture, s->reordered_input_picture[0]);
|
|
|
|
if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_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
|
|
|
|
int i= ff_find_unused_picture(s, 0);
|
|
Picture *pic= &s->picture[i];
|
|
|
|
pic->reference = s->reordered_input_picture[0]->reference;
|
|
ff_alloc_picture(s, pic, 0);
|
|
|
|
/* mark us unused / free shared pic */
|
|
if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_INTERNAL)
|
|
s->avctx->release_buffer(s->avctx, (AVFrame*)s->reordered_input_picture[0]);
|
|
for(i=0; i<4; i++)
|
|
s->reordered_input_picture[0]->data[i]= NULL;
|
|
s->reordered_input_picture[0]->type= 0;
|
|
|
|
copy_picture_attributes(s, (AVFrame*)pic, (AVFrame*)s->reordered_input_picture[0]);
|
|
|
|
s->current_picture_ptr= pic;
|
|
}else{
|
|
// input is not a shared pix -> reuse buffer for current_pix
|
|
|
|
assert( s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER
|
|
|| s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
|
|
|
|
s->current_picture_ptr= s->reordered_input_picture[0];
|
|
for(i=0; i<4; i++){
|
|
s->new_picture.data[i]+= INPLACE_OFFSET;
|
|
}
|
|
}
|
|
ff_copy_picture(&s->current_picture, s->current_picture_ptr);
|
|
|
|
s->picture_number= s->new_picture.display_picture_number;
|
|
//printf("dpn:%d\n", s->picture_number);
|
|
}else{
|
|
memset(&s->new_picture, 0, sizeof(Picture));
|
|
}
|
|
}
|
|
|
|
int MPV_encode_picture(AVCodecContext *avctx,
|
|
unsigned char *buf, int buf_size, void *data)
|
|
{
|
|
MpegEncContext *s = avctx->priv_data;
|
|
AVFrame *pic_arg = data;
|
|
int i, stuffing_count;
|
|
|
|
for(i=0; i<avctx->thread_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= buf + (size_t)(((int64_t) buf_size)*start_y/h);
|
|
uint8_t *end = buf + (size_t)(((int64_t) buf_size)* end_y/h);
|
|
|
|
init_put_bits(&s->thread_context[i]->pb, start, end - start);
|
|
}
|
|
|
|
s->picture_in_gop_number++;
|
|
|
|
if(load_input_picture(s, pic_arg) < 0)
|
|
return -1;
|
|
|
|
select_input_picture(s);
|
|
|
|
/* output? */
|
|
if(s->new_picture.data[0]){
|
|
s->pict_type= s->new_picture.pict_type;
|
|
//emms_c();
|
|
//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
|
|
MPV_frame_start(s, avctx);
|
|
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;
|
|
avctx->p_count = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
|
|
avctx->skip_count = s->skip_count;
|
|
|
|
MPV_frame_end(s);
|
|
|
|
if (CONFIG_MJPEG_ENCODER && s->out_format == FMT_MJPEG)
|
|
ff_mjpeg_encode_picture_trailer(s);
|
|
|
|
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()
|
|
if(s->pict_type==FF_P_TYPE){ //done in encode_picture() so we must undo it
|
|
if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
|
|
s->no_rounding ^= 1;
|
|
}
|
|
if(s->pict_type!=FF_B_TYPE){
|
|
s->time_base= s->last_time_base;
|
|
s->last_non_b_time= s->time - s->pp_time;
|
|
}
|
|
// av_log(NULL, AV_LOG_ERROR, "R:%d ", s->next_lambda);
|
|
for(i=0; i<avctx->thread_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->error[i]= s->current_picture.error[i];
|
|
avctx->error[i] += s->current_picture_ptr->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);
|
|
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 CODEC_ID_MPEG1VIDEO:
|
|
case CODEC_ID_MPEG2VIDEO:
|
|
while(stuffing_count--){
|
|
put_bits(&s->pb, 8, 0);
|
|
}
|
|
break;
|
|
case 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);
|
|
|
|
assert(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;
|
|
}
|
|
s->total_bits += s->frame_bits;
|
|
avctx->frame_bits = s->frame_bits;
|
|
}else{
|
|
assert((put_bits_ptr(&s->pb) == s->pb.buf));
|
|
s->frame_bits=0;
|
|
}
|
|
assert((s->frame_bits&7)==0);
|
|
|
|
return s->frame_bits/8;
|
|
}
|
|
|
|
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;
|
|
DCTELEM *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, DCTELEM *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_count)
|
|
{
|
|
int16_t weight[8][64];
|
|
DCTELEM orig[8][64];
|
|
const int mb_x= s->mb_x;
|
|
const int mb_y= s->mb_y;
|
|
int i;
|
|
int skip_dct[8];
|
|
int dct_offset = s->linesize*8; //default for progressive frames
|
|
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
|
|
int 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->flags&CODEC_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==CODEC_ID_MPEG4){
|
|
if(!s->mb_intra){
|
|
if(s->pict_type == FF_B_TYPE){
|
|
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->flags&CODEC_FLAG_QP_RD)
|
|
ff_set_qscale(s, s->qscale + s->dquant);
|
|
|
|
wrap_y = s->linesize;
|
|
wrap_c = s->uvlinesize;
|
|
ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
|
|
ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
|
|
ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
|
|
|
|
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
|
|
uint8_t *ebuf= s->edge_emu_buffer + 32;
|
|
ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
|
|
ptr_y= ebuf;
|
|
ff_emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
|
|
ptr_cb= ebuf+18*wrap_y;
|
|
ff_emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
|
|
ptr_cr= ebuf+18*wrap_y+8;
|
|
}
|
|
|
|
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;
|
|
wrap_y<<=1;
|
|
if (s->chroma_format == CHROMA_422)
|
|
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){ /* 422 */
|
|
s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
|
|
s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), 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==FF_B_TYPE){
|
|
op_pix = s->dsp.put_pixels_tab;
|
|
op_qpix= s->dsp.put_qpel_pixels_tab;
|
|
}else{
|
|
op_pix = s->dsp.put_no_rnd_pixels_tab;
|
|
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
|
|
}
|
|
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
|
|
op_pix = s->dsp.avg_pixels_tab;
|
|
op_qpix= s->dsp.avg_qpel_pixels_tab;
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.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;
|
|
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 + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
|
|
s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), 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 +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1;
|
|
if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(s->avctx->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 + (dct_offset>>1), wrap_c);
|
|
if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
|
|
}
|
|
memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
|
|
}
|
|
|
|
/* DCT & quantize */
|
|
assert(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->avctx->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->flags & CODEC_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;
|
|
}
|
|
|
|
//non c quantize code returns incorrect block_last_index FIXME
|
|
if(s->alternate_scan && s->dct_quantize != 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 CODEC_ID_MPEG1VIDEO:
|
|
case CODEC_ID_MPEG2VIDEO:
|
|
if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
|
|
mpeg1_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case CODEC_ID_MPEG4:
|
|
if (CONFIG_MPEG4_ENCODER)
|
|
mpeg4_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case CODEC_ID_MSMPEG4V2:
|
|
case CODEC_ID_MSMPEG4V3:
|
|
case CODEC_ID_WMV1:
|
|
if (CONFIG_MSMPEG4_ENCODER)
|
|
msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case CODEC_ID_WMV2:
|
|
if (CONFIG_WMV2_ENCODER)
|
|
ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case CODEC_ID_H261:
|
|
if (CONFIG_H261_ENCODER)
|
|
ff_h261_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
case CODEC_ID_FLV1:
|
|
case CODEC_ID_RV10:
|
|
case CODEC_ID_RV20:
|
|
if (CONFIG_H263_ENCODER)
|
|
h263_encode_mb(s, s->block, motion_x, motion_y);
|
|
break;
|
|
case CODEC_ID_MJPEG:
|
|
if (CONFIG_MJPEG_ENCODER)
|
|
ff_mjpeg_encode_mb(s, s->block);
|
|
break;
|
|
default:
|
|
assert(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, 6);
|
|
else encode_mb_internal(s, motion_x, motion_y, 16, 8);
|
|
}
|
|
|
|
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 then 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 then 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){
|
|
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]];
|
|
}
|
|
}
|
|
|
|
assert(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.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.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.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.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.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.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.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize)
|
|
+sse(s, s->new_picture.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.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==FF_B_TYPE)
|
|
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.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==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->pb);
|
|
}
|
|
|
|
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 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];
|
|
//printf("%d->%d\n", s->resync_mb_y, s->end_mb_y);
|
|
|
|
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.error[i] = 0;
|
|
}
|
|
s->mb_skip_run = 0;
|
|
memset(s->last_mv, 0, sizeof(s->last_mv));
|
|
|
|
s->last_mv_dir = 0;
|
|
|
|
switch(s->codec_id){
|
|
case CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
case CODEC_ID_FLV1:
|
|
if (CONFIG_H263_ENCODER)
|
|
s->gob_index = ff_h263_get_gob_height(s);
|
|
break;
|
|
case 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++) {
|
|
// printf("row %d at %X\n", s->mb_y, (int)s);
|
|
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 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 == 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 CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
if(!s->h263_slice_structured)
|
|
if(s->mb_x || s->mb_y%s->gob_index) is_gob_start=0;
|
|
break;
|
|
case CODEC_ID_MPEG2VIDEO:
|
|
if(s->mb_x==0 && s->mb_y!=0) is_gob_start=1;
|
|
case CODEC_ID_MPEG1VIDEO:
|
|
if(s->mb_skip_run) is_gob_start=0;
|
|
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==CODEC_ID_MPEG4 && s->partitioned_frame){
|
|
ff_mpeg4_init_partitions(s);
|
|
}
|
|
}
|
|
|
|
assert((put_bits_count(&s->pb)&7) == 0);
|
|
current_packet_size= put_bits_ptr(&s->pb) - s->ptr_lastgob;
|
|
|
|
if(s->avctx->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->avctx->error_rate;
|
|
if(r % d == 0){
|
|
current_packet_size=0;
|
|
#ifndef ALT_BITSTREAM_WRITER
|
|
s->pb.buf_ptr= s->ptr_lastgob;
|
|
#endif
|
|
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);
|
|
}
|
|
|
|
switch(s->codec_id){
|
|
case CODEC_ID_MPEG4:
|
|
if (CONFIG_MPEG4_ENCODER) {
|
|
ff_mpeg4_encode_video_packet_header(s);
|
|
ff_mpeg4_clean_buffers(s);
|
|
}
|
|
break;
|
|
case CODEC_ID_MPEG1VIDEO:
|
|
case CODEC_ID_MPEG2VIDEO:
|
|
if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER) {
|
|
ff_mpeg1_encode_slice_header(s);
|
|
ff_mpeg1_clean_buffers(s);
|
|
}
|
|
break;
|
|
case CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
if (CONFIG_H263_ENCODER)
|
|
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
|
|
|
|
if(mb_type & (mb_type-1) || (s->flags & CODEC_FLAG_QP_RD)){ // more than 1 MB type possible or CODEC_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->flags & CODEC_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];
|
|
DCTELEM 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};
|
|
|
|
assert(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 == FF_B_TYPE ? 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(s->mb_intra && s->dc_val[0]){
|
|
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(DCTELEM)*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(s->mb_intra && s->dc_val[0]){
|
|
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(DCTELEM)*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->flags2&CODEC_FLAG2_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);
|
|
ff_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);
|
|
ff_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);
|
|
ff_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_ANY_H263_ENCODER &&
|
|
s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
|
|
ff_h263_update_motion_val(s);
|
|
|
|
if(next_block==0){ //FIXME 16 vs linesize16
|
|
s->dsp.put_pixels_tab[0][0](s->dest[0], s->rd_scratchpad , s->linesize ,16);
|
|
s->dsp.put_pixels_tab[1][0](s->dest[1], s->rd_scratchpad + 16*s->linesize , s->uvlinesize, 8);
|
|
s->dsp.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)
|
|
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];
|
|
// printf(" %d %d ", motion_x, motion_y);
|
|
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_ANY_H263_ENCODER &&
|
|
s->out_format == FMT_H263 && s->pict_type!=FF_B_TYPE)
|
|
ff_h263_update_motion_val(s);
|
|
|
|
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.error[0] += sse(
|
|
s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
|
|
s->dest[0], w, h, s->linesize);
|
|
s->current_picture.error[1] += sse(
|
|
s, s->new_picture.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.error[2] += sse(
|
|
s, s->new_picture.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_ANY_H263_ENCODER && s->out_format == FMT_H263)
|
|
ff_h263_loop_filter(s);
|
|
}
|
|
//printf("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 == FF_I_TYPE)
|
|
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(error_count);
|
|
MERGE(padding_bug_score);
|
|
MERGE(current_picture.error[0]);
|
|
MERGE(current_picture.error[1]);
|
|
MERGE(current_picture.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);
|
|
ff_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->quality=
|
|
s->current_picture.quality = s->next_lambda;
|
|
if(!dry_run) s->next_lambda= 0;
|
|
} else if (!s->fixed_qscale) {
|
|
s->current_picture_ptr->quality=
|
|
s->current_picture.quality = ff_rate_estimate_qscale(s, dry_run);
|
|
if (s->current_picture.quality < 0)
|
|
return -1;
|
|
}
|
|
|
|
if(s->adaptive_quant){
|
|
switch(s->codec_id){
|
|
case CODEC_ID_MPEG4:
|
|
if (CONFIG_MPEG4_ENCODER)
|
|
ff_clean_mpeg4_qscales(s);
|
|
break;
|
|
case CODEC_ID_H263:
|
|
case CODEC_ID_H263P:
|
|
case CODEC_ID_FLV1:
|
|
if (CONFIG_H263_ENCODER)
|
|
ff_clean_h263_qscales(s);
|
|
break;
|
|
}
|
|
|
|
s->lambda= s->lambda_table[0];
|
|
//FIXME broken
|
|
}else
|
|
s->lambda= s->current_picture.quality;
|
|
//printf("%d %d\n", s->avctx->global_quality, s->current_picture.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->pts != AV_NOPTS_VALUE);
|
|
s->time= s->current_picture_ptr->pts*s->avctx->time_base.num;
|
|
|
|
if(s->pict_type==FF_B_TYPE){
|
|
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;
|
|
int bits;
|
|
|
|
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 == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
|
|
set_frame_distances(s);
|
|
if(CONFIG_MPEG4_ENCODER && s->codec_id == 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==FF_I_TYPE){
|
|
if(s->msmpeg4_version >= 3) s->no_rounding=1;
|
|
else s->no_rounding=0;
|
|
}else if(s->pict_type!=FF_B_TYPE){
|
|
if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == 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==FF_B_TYPE)
|
|
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);
|
|
}
|
|
|
|
s->mb_intra=0; //for the rate distortion & bit compare functions
|
|
for(i=1; i<s->avctx->thread_count; i++){
|
|
ff_update_duplicate_context(s->thread_context[i], s);
|
|
}
|
|
|
|
if(ff_init_me(s)<0)
|
|
return -1;
|
|
|
|
/* Estimate motion for every MB */
|
|
if(s->pict_type != FF_I_TYPE){
|
|
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 != FF_B_TYPE && s->avctx->me_threshold==0){
|
|
if((s->avctx->pre_me && s->last_non_b_pict_type==FF_I_TYPE) || s->avctx->pre_me==2){
|
|
s->avctx->execute(s->avctx, pre_estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
|
|
}
|
|
}
|
|
|
|
s->avctx->execute(s->avctx, estimate_motion_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
|
|
}else /* if(s->pict_type == FF_I_TYPE) */{
|
|
/* 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, s->avctx->thread_count, sizeof(void*));
|
|
}
|
|
}
|
|
for(i=1; i<s->avctx->thread_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 == FF_P_TYPE){
|
|
s->pict_type= FF_I_TYPE;
|
|
for(i=0; i<s->mb_stride*s->mb_height; i++)
|
|
s->mb_type[i]= CANDIDATE_MB_TYPE_INTRA;
|
|
//printf("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==FF_P_TYPE || s->pict_type==FF_S_TYPE) {
|
|
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==FF_B_TYPE){
|
|
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==FF_I_TYPE && !(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 */
|
|
s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
|
|
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);
|
|
}
|
|
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;
|
|
}
|
|
|
|
//FIXME var duplication
|
|
s->current_picture_ptr->key_frame=
|
|
s->current_picture.key_frame= s->pict_type == FF_I_TYPE; //FIXME pic_ptr
|
|
s->current_picture_ptr->pict_type=
|
|
s->current_picture.pict_type= s->pict_type;
|
|
|
|
if(s->current_picture.key_frame)
|
|
s->picture_in_gop_number=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);
|
|
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 == CODEC_ID_WMV2)
|
|
ff_wmv2_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_MSMPEG4_ENCODER && s->h263_msmpeg4)
|
|
msmpeg4_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
|
|
mpeg4_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_RV10_ENCODER && s->codec_id == CODEC_ID_RV10)
|
|
rv10_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_RV20_ENCODER && s->codec_id == CODEC_ID_RV20)
|
|
rv20_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_FLV_ENCODER && s->codec_id == CODEC_ID_FLV1)
|
|
ff_flv_encode_picture_header(s, picture_number);
|
|
else if (CONFIG_ANY_H263_ENCODER)
|
|
h263_encode_picture_header(s, picture_number);
|
|
break;
|
|
case FMT_MPEG1:
|
|
if (CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
|
|
mpeg1_encode_picture_header(s, picture_number);
|
|
break;
|
|
case FMT_H264:
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
bits= put_bits_count(&s->pb);
|
|
s->header_bits= bits - s->last_bits;
|
|
|
|
for(i=1; i<s->avctx->thread_count; i++){
|
|
update_duplicate_context_after_me(s->thread_context[i], s);
|
|
}
|
|
s->avctx->execute(s->avctx, encode_thread, &s->thread_context[0], NULL, s->avctx->thread_count, sizeof(void*));
|
|
for(i=1; i<s->avctx->thread_count; i++){
|
|
merge_context_after_encode(s, s->thread_context[i]);
|
|
}
|
|
emms_c();
|
|
return 0;
|
|
}
|
|
|
|
void denoise_dct_c(MpegEncContext *s, DCTELEM *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;
|
|
}
|
|
}
|
|
}
|
|
|
|
int dct_quantize_trellis_c(MpegEncContext *s,
|
|
DCTELEM *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 = s->q_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);
|
|
assert(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(DCTELEM));
|
|
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 == fdct_ifast
|
|
#ifndef FAAN_POSTSCALE
|
|
|| s->dsp.fdct == ff_faandct
|
|
#endif
|
|
)
|
|
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;
|
|
|
|
assert(level);
|
|
|
|
if(s->out_format == FMT_H263){
|
|
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){
|
|
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){
|
|
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){
|
|
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(DCTELEM));
|
|
|
|
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){
|
|
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;
|
|
assert(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?
|
|
DCTELEM *block, int16_t *weight, DCTELEM *orig,
|
|
int n, int qscale){
|
|
int16_t rem[64];
|
|
DECLARE_ALIGNED_16(DCTELEM, 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;
|
|
|
|
assert(w>0);
|
|
assert(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->avctx->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;
|
|
|
|
assert(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->avctx->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--;
|
|
assert(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->avctx->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{
|
|
assert(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;
|
|
assert(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;
|
|
assert((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;
|
|
assert(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){
|
|
printf("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 dct_quantize_c(MpegEncContext *s,
|
|
DCTELEM *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 = s->q_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;
|
|
}
|
|
|
|
AVCodec h263_encoder = {
|
|
"h263",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_H263,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
|
|
.long_name= NULL_IF_CONFIG_SMALL("H.263 / H.263-1996"),
|
|
};
|
|
|
|
AVCodec h263p_encoder = {
|
|
"h263p",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_H263P,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
|
|
.long_name= NULL_IF_CONFIG_SMALL("H.263+ / H.263-1998 / H.263 version 2"),
|
|
};
|
|
|
|
AVCodec flv_encoder = {
|
|
"flv",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_FLV1,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
|
|
.long_name= NULL_IF_CONFIG_SMALL("Flash Video (FLV) / Sorenson Spark / Sorenson H.263"),
|
|
};
|
|
|
|
AVCodec mpeg4_encoder = {
|
|
"mpeg4",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MPEG4,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
|
|
.capabilities= CODEC_CAP_DELAY,
|
|
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
|
|
};
|
|
|
|
AVCodec msmpeg4v1_encoder = {
|
|
"msmpeg4v1",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MSMPEG4V1,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
|
|
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 1"),
|
|
};
|
|
|
|
AVCodec msmpeg4v2_encoder = {
|
|
"msmpeg4v2",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MSMPEG4V2,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
|
|
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 2"),
|
|
};
|
|
|
|
AVCodec msmpeg4v3_encoder = {
|
|
"msmpeg4",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_MSMPEG4V3,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
|
|
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 Microsoft variant version 3"),
|
|
};
|
|
|
|
AVCodec wmv1_encoder = {
|
|
"wmv1",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_WMV1,
|
|
sizeof(MpegEncContext),
|
|
MPV_encode_init,
|
|
MPV_encode_picture,
|
|
MPV_encode_end,
|
|
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
|
|
.long_name= NULL_IF_CONFIG_SMALL("Windows Media Video 7"),
|
|
};
|