mirror of
https://github.com/pineappleEA/pineapple-src.git
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2337 lines
86 KiB
C
Executable File
2337 lines
86 KiB
C
Executable File
/*
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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
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* The simplest mpeg encoder (well, it was the simplest!).
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/avassert.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/internal.h"
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#include "libavutil/motion_vector.h"
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#include "avcodec.h"
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#include "blockdsp.h"
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#include "h264chroma.h"
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#include "idctdsp.h"
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#include "internal.h"
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#include "mathops.h"
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#include "mpeg_er.h"
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#include "mpegutils.h"
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#include "mpegvideo.h"
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#include "mpegvideodata.h"
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#include "mjpegenc.h"
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#include "msmpeg4.h"
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#include "qpeldsp.h"
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#include "thread.h"
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#include "wmv2.h"
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#include <limits.h>
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static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s,
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int16_t *block, int n, int qscale)
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{
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int i, level, nCoeffs;
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const uint16_t *quant_matrix;
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nCoeffs= s->block_last_index[n];
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block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
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/* XXX: only MPEG-1 */
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quant_matrix = s->intra_matrix;
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for(i=1;i<=nCoeffs;i++) {
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int j= s->intra_scantable.permutated[i];
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level = block[j];
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if (level) {
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if (level < 0) {
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level = -level;
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level = (int)(level * qscale * quant_matrix[j]) >> 3;
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level = (level - 1) | 1;
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level = -level;
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} else {
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level = (int)(level * qscale * quant_matrix[j]) >> 3;
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level = (level - 1) | 1;
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}
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block[j] = level;
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}
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}
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}
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static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s,
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int16_t *block, int n, int qscale)
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{
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int i, level, nCoeffs;
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const uint16_t *quant_matrix;
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nCoeffs= s->block_last_index[n];
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quant_matrix = s->inter_matrix;
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for(i=0; i<=nCoeffs; i++) {
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int j= s->intra_scantable.permutated[i];
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level = block[j];
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if (level) {
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if (level < 0) {
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level = -level;
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level = (((level << 1) + 1) * qscale *
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((int) (quant_matrix[j]))) >> 4;
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level = (level - 1) | 1;
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level = -level;
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} else {
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level = (((level << 1) + 1) * qscale *
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((int) (quant_matrix[j]))) >> 4;
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level = (level - 1) | 1;
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}
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block[j] = level;
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}
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}
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}
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static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s,
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int16_t *block, int n, int qscale)
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{
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int i, level, nCoeffs;
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const uint16_t *quant_matrix;
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if (s->q_scale_type) qscale = ff_mpeg2_non_linear_qscale[qscale];
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else qscale <<= 1;
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if(s->alternate_scan) nCoeffs= 63;
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else nCoeffs= s->block_last_index[n];
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block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
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quant_matrix = s->intra_matrix;
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for(i=1;i<=nCoeffs;i++) {
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int j= s->intra_scantable.permutated[i];
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level = block[j];
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if (level) {
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if (level < 0) {
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level = -level;
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level = (int)(level * qscale * quant_matrix[j]) >> 4;
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level = -level;
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} else {
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level = (int)(level * qscale * quant_matrix[j]) >> 4;
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}
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block[j] = level;
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}
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}
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}
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static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s,
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int16_t *block, int n, int qscale)
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{
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int i, level, nCoeffs;
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const uint16_t *quant_matrix;
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int sum=-1;
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if (s->q_scale_type) qscale = ff_mpeg2_non_linear_qscale[qscale];
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else qscale <<= 1;
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if(s->alternate_scan) nCoeffs= 63;
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else nCoeffs= s->block_last_index[n];
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block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
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sum += block[0];
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quant_matrix = s->intra_matrix;
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for(i=1;i<=nCoeffs;i++) {
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int j= s->intra_scantable.permutated[i];
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level = block[j];
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if (level) {
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if (level < 0) {
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level = -level;
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level = (int)(level * qscale * quant_matrix[j]) >> 4;
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level = -level;
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} else {
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level = (int)(level * qscale * quant_matrix[j]) >> 4;
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}
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block[j] = level;
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sum+=level;
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}
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}
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block[63]^=sum&1;
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}
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static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s,
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int16_t *block, int n, int qscale)
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{
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int i, level, nCoeffs;
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const uint16_t *quant_matrix;
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int sum=-1;
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if (s->q_scale_type) qscale = ff_mpeg2_non_linear_qscale[qscale];
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else qscale <<= 1;
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if(s->alternate_scan) nCoeffs= 63;
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else nCoeffs= s->block_last_index[n];
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quant_matrix = s->inter_matrix;
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for(i=0; i<=nCoeffs; i++) {
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int j= s->intra_scantable.permutated[i];
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level = block[j];
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if (level) {
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if (level < 0) {
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level = -level;
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level = (((level << 1) + 1) * qscale *
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((int) (quant_matrix[j]))) >> 5;
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level = -level;
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} else {
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level = (((level << 1) + 1) * qscale *
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((int) (quant_matrix[j]))) >> 5;
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}
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block[j] = level;
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sum+=level;
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}
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}
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block[63]^=sum&1;
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}
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static void dct_unquantize_h263_intra_c(MpegEncContext *s,
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int16_t *block, int n, int qscale)
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{
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int i, level, qmul, qadd;
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int nCoeffs;
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av_assert2(s->block_last_index[n]>=0 || s->h263_aic);
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qmul = qscale << 1;
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if (!s->h263_aic) {
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block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
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qadd = (qscale - 1) | 1;
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}else{
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qadd = 0;
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}
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if(s->ac_pred)
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nCoeffs=63;
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else
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nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];
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for(i=1; i<=nCoeffs; i++) {
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level = block[i];
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if (level) {
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if (level < 0) {
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level = level * qmul - qadd;
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} else {
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level = level * qmul + qadd;
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}
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block[i] = level;
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}
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}
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}
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static void dct_unquantize_h263_inter_c(MpegEncContext *s,
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int16_t *block, int n, int qscale)
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{
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int i, level, qmul, qadd;
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int nCoeffs;
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av_assert2(s->block_last_index[n]>=0);
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qadd = (qscale - 1) | 1;
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qmul = qscale << 1;
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nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
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for(i=0; i<=nCoeffs; i++) {
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level = block[i];
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if (level) {
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if (level < 0) {
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level = level * qmul - qadd;
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} else {
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level = level * qmul + qadd;
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}
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block[i] = level;
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}
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}
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}
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static void gray16(uint8_t *dst, const uint8_t *src, ptrdiff_t linesize, int h)
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{
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while(h--)
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memset(dst + h*linesize, 128, 16);
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}
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static void gray8(uint8_t *dst, const uint8_t *src, ptrdiff_t linesize, int h)
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{
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while(h--)
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memset(dst + h*linesize, 128, 8);
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}
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/* init common dct for both encoder and decoder */
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static av_cold int dct_init(MpegEncContext *s)
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{
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ff_blockdsp_init(&s->bdsp, s->avctx);
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ff_h264chroma_init(&s->h264chroma, 8); //for lowres
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ff_hpeldsp_init(&s->hdsp, s->avctx->flags);
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ff_mpegvideodsp_init(&s->mdsp);
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ff_videodsp_init(&s->vdsp, s->avctx->bits_per_raw_sample);
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if (s->avctx->debug & FF_DEBUG_NOMC) {
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int i;
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for (i=0; i<4; i++) {
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s->hdsp.avg_pixels_tab[0][i] = gray16;
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s->hdsp.put_pixels_tab[0][i] = gray16;
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s->hdsp.put_no_rnd_pixels_tab[0][i] = gray16;
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s->hdsp.avg_pixels_tab[1][i] = gray8;
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s->hdsp.put_pixels_tab[1][i] = gray8;
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s->hdsp.put_no_rnd_pixels_tab[1][i] = gray8;
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}
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}
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s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c;
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s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c;
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s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
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s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
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s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
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if (s->avctx->flags & AV_CODEC_FLAG_BITEXACT)
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s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact;
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s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
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if (HAVE_INTRINSICS_NEON)
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ff_mpv_common_init_neon(s);
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if (ARCH_ALPHA)
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ff_mpv_common_init_axp(s);
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if (ARCH_ARM)
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ff_mpv_common_init_arm(s);
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if (ARCH_PPC)
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ff_mpv_common_init_ppc(s);
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if (ARCH_X86)
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ff_mpv_common_init_x86(s);
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if (ARCH_MIPS)
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ff_mpv_common_init_mips(s);
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return 0;
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}
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av_cold void ff_mpv_idct_init(MpegEncContext *s)
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{
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if (s->codec_id == AV_CODEC_ID_MPEG4)
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s->idsp.mpeg4_studio_profile = s->studio_profile;
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ff_idctdsp_init(&s->idsp, s->avctx);
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/* load & permutate scantables
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* note: only wmv uses different ones
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*/
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if (s->alternate_scan) {
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ff_init_scantable(s->idsp.idct_permutation, &s->inter_scantable, ff_alternate_vertical_scan);
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ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_alternate_vertical_scan);
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} else {
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ff_init_scantable(s->idsp.idct_permutation, &s->inter_scantable, ff_zigzag_direct);
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ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct);
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}
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ff_init_scantable(s->idsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan);
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ff_init_scantable(s->idsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan);
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}
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static int alloc_picture(MpegEncContext *s, Picture *pic)
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{
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return ff_alloc_picture(s->avctx, pic, &s->me, &s->sc, 0, 0,
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s->chroma_x_shift, s->chroma_y_shift, s->out_format,
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s->mb_stride, s->mb_width, s->mb_height, s->b8_stride,
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&s->linesize, &s->uvlinesize);
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}
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static int init_duplicate_context(MpegEncContext *s)
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{
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int y_size = s->b8_stride * (2 * s->mb_height + 1);
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int c_size = s->mb_stride * (s->mb_height + 1);
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int yc_size = y_size + 2 * c_size;
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int i;
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if (s->mb_height & 1)
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yc_size += 2*s->b8_stride + 2*s->mb_stride;
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s->sc.edge_emu_buffer =
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s->me.scratchpad =
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s->me.temp =
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s->sc.rd_scratchpad =
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s->sc.b_scratchpad =
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s->sc.obmc_scratchpad = NULL;
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if (s->encoding) {
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if (!FF_ALLOCZ_TYPED_ARRAY(s->me.map, ME_MAP_SIZE) ||
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!FF_ALLOCZ_TYPED_ARRAY(s->me.score_map, ME_MAP_SIZE))
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return AVERROR(ENOMEM);
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if (s->noise_reduction) {
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if (!FF_ALLOCZ_TYPED_ARRAY(s->dct_error_sum, 2))
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return AVERROR(ENOMEM);
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}
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}
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if (!FF_ALLOCZ_TYPED_ARRAY(s->blocks, 2))
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return AVERROR(ENOMEM);
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s->block = s->blocks[0];
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for (i = 0; i < 12; i++) {
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s->pblocks[i] = &s->block[i];
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}
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if (!(s->block32 = av_mallocz(sizeof(*s->block32))) ||
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!(s->dpcm_macroblock = av_mallocz(sizeof(*s->dpcm_macroblock))))
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return AVERROR(ENOMEM);
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s->dpcm_direction = 0;
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if (s->avctx->codec_tag == AV_RL32("VCR2")) {
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// exchange uv
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FFSWAP(void *, s->pblocks[4], s->pblocks[5]);
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}
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if (s->out_format == FMT_H263) {
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/* ac values */
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if (!FF_ALLOCZ_TYPED_ARRAY(s->ac_val_base, yc_size))
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return AVERROR(ENOMEM);
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s->ac_val[0] = s->ac_val_base + s->b8_stride + 1;
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s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1;
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s->ac_val[2] = s->ac_val[1] + c_size;
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}
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return 0;
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}
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static void free_duplicate_context(MpegEncContext *s)
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{
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if (!s)
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return;
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av_freep(&s->sc.edge_emu_buffer);
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av_freep(&s->me.scratchpad);
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s->me.temp =
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s->sc.rd_scratchpad =
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s->sc.b_scratchpad =
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s->sc.obmc_scratchpad = NULL;
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av_freep(&s->dct_error_sum);
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av_freep(&s->me.map);
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av_freep(&s->me.score_map);
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av_freep(&s->blocks);
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av_freep(&s->block32);
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av_freep(&s->dpcm_macroblock);
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av_freep(&s->ac_val_base);
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s->block = NULL;
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}
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static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src)
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{
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#define COPY(a) bak->a = src->a
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COPY(sc.edge_emu_buffer);
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COPY(me.scratchpad);
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COPY(me.temp);
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COPY(sc.rd_scratchpad);
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COPY(sc.b_scratchpad);
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COPY(sc.obmc_scratchpad);
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COPY(me.map);
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COPY(me.score_map);
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COPY(blocks);
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COPY(block);
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COPY(block32);
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COPY(dpcm_macroblock);
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COPY(dpcm_direction);
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COPY(start_mb_y);
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COPY(end_mb_y);
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COPY(me.map_generation);
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COPY(pb);
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COPY(dct_error_sum);
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COPY(dct_count[0]);
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COPY(dct_count[1]);
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COPY(ac_val_base);
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COPY(ac_val[0]);
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COPY(ac_val[1]);
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COPY(ac_val[2]);
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#undef COPY
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}
|
|
|
|
int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src)
|
|
{
|
|
MpegEncContext bak;
|
|
int i, ret;
|
|
// FIXME copy only needed parts
|
|
backup_duplicate_context(&bak, dst);
|
|
memcpy(dst, src, sizeof(MpegEncContext));
|
|
backup_duplicate_context(dst, &bak);
|
|
for (i = 0; i < 12; i++) {
|
|
dst->pblocks[i] = &dst->block[i];
|
|
}
|
|
if (dst->avctx->codec_tag == AV_RL32("VCR2")) {
|
|
// exchange uv
|
|
FFSWAP(void *, dst->pblocks[4], dst->pblocks[5]);
|
|
}
|
|
if (!dst->sc.edge_emu_buffer &&
|
|
(ret = ff_mpeg_framesize_alloc(dst->avctx, &dst->me,
|
|
&dst->sc, dst->linesize)) < 0) {
|
|
av_log(dst->avctx, AV_LOG_ERROR, "failed to allocate context "
|
|
"scratch buffers.\n");
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int ff_mpeg_update_thread_context(AVCodecContext *dst,
|
|
const AVCodecContext *src)
|
|
{
|
|
int i, ret;
|
|
MpegEncContext *s = dst->priv_data, *s1 = src->priv_data;
|
|
|
|
if (dst == src)
|
|
return 0;
|
|
|
|
av_assert0(s != s1);
|
|
|
|
// FIXME can parameters change on I-frames?
|
|
// in that case dst may need a reinit
|
|
if (!s->context_initialized) {
|
|
int err;
|
|
memcpy(s, s1, sizeof(MpegEncContext));
|
|
|
|
s->avctx = dst;
|
|
s->bitstream_buffer = NULL;
|
|
s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0;
|
|
|
|
if (s1->context_initialized){
|
|
// s->picture_range_start += MAX_PICTURE_COUNT;
|
|
// s->picture_range_end += MAX_PICTURE_COUNT;
|
|
ff_mpv_idct_init(s);
|
|
if((err = ff_mpv_common_init(s)) < 0){
|
|
memset(s, 0, sizeof(MpegEncContext));
|
|
s->avctx = dst;
|
|
return err;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (s->height != s1->height || s->width != s1->width || s->context_reinit) {
|
|
s->context_reinit = 0;
|
|
s->height = s1->height;
|
|
s->width = s1->width;
|
|
if ((ret = ff_mpv_common_frame_size_change(s)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
s->avctx->coded_height = s1->avctx->coded_height;
|
|
s->avctx->coded_width = s1->avctx->coded_width;
|
|
s->avctx->width = s1->avctx->width;
|
|
s->avctx->height = s1->avctx->height;
|
|
|
|
s->quarter_sample = s1->quarter_sample;
|
|
|
|
s->coded_picture_number = s1->coded_picture_number;
|
|
s->picture_number = s1->picture_number;
|
|
|
|
av_assert0(!s->picture || s->picture != s1->picture);
|
|
if(s->picture)
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
|
|
if (s1->picture && s1->picture[i].f->buf[0] &&
|
|
(ret = ff_mpeg_ref_picture(s->avctx, &s->picture[i], &s1->picture[i])) < 0)
|
|
return ret;
|
|
}
|
|
|
|
#define UPDATE_PICTURE(pic)\
|
|
do {\
|
|
ff_mpeg_unref_picture(s->avctx, &s->pic);\
|
|
if (s1->pic.f && s1->pic.f->buf[0])\
|
|
ret = ff_mpeg_ref_picture(s->avctx, &s->pic, &s1->pic);\
|
|
else\
|
|
ret = ff_update_picture_tables(&s->pic, &s1->pic);\
|
|
if (ret < 0)\
|
|
return ret;\
|
|
} while (0)
|
|
|
|
UPDATE_PICTURE(current_picture);
|
|
UPDATE_PICTURE(last_picture);
|
|
UPDATE_PICTURE(next_picture);
|
|
|
|
#define REBASE_PICTURE(pic, new_ctx, old_ctx) \
|
|
((pic && pic >= old_ctx->picture && \
|
|
pic < old_ctx->picture + MAX_PICTURE_COUNT) ? \
|
|
&new_ctx->picture[pic - old_ctx->picture] : NULL)
|
|
|
|
s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1);
|
|
s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1);
|
|
s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1);
|
|
|
|
// Error/bug resilience
|
|
s->next_p_frame_damaged = s1->next_p_frame_damaged;
|
|
s->workaround_bugs = s1->workaround_bugs;
|
|
s->padding_bug_score = s1->padding_bug_score;
|
|
|
|
// MPEG-4 timing info
|
|
memcpy(&s->last_time_base, &s1->last_time_base,
|
|
(char *) &s1->pb_field_time + sizeof(s1->pb_field_time) -
|
|
(char *) &s1->last_time_base);
|
|
|
|
// B-frame info
|
|
s->max_b_frames = s1->max_b_frames;
|
|
s->low_delay = s1->low_delay;
|
|
s->droppable = s1->droppable;
|
|
|
|
// DivX handling (doesn't work)
|
|
s->divx_packed = s1->divx_packed;
|
|
|
|
if (s1->bitstream_buffer) {
|
|
if (s1->bitstream_buffer_size +
|
|
AV_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size) {
|
|
av_fast_malloc(&s->bitstream_buffer,
|
|
&s->allocated_bitstream_buffer_size,
|
|
s1->allocated_bitstream_buffer_size);
|
|
if (!s->bitstream_buffer) {
|
|
s->bitstream_buffer_size = 0;
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
}
|
|
s->bitstream_buffer_size = s1->bitstream_buffer_size;
|
|
memcpy(s->bitstream_buffer, s1->bitstream_buffer,
|
|
s1->bitstream_buffer_size);
|
|
memset(s->bitstream_buffer + s->bitstream_buffer_size, 0,
|
|
AV_INPUT_BUFFER_PADDING_SIZE);
|
|
}
|
|
|
|
// linesize-dependent scratch buffer allocation
|
|
if (!s->sc.edge_emu_buffer)
|
|
if (s1->linesize) {
|
|
if (ff_mpeg_framesize_alloc(s->avctx, &s->me,
|
|
&s->sc, s1->linesize) < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Failed to allocate context "
|
|
"scratch buffers.\n");
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
} else {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Context scratch buffers could not "
|
|
"be allocated due to unknown size.\n");
|
|
}
|
|
|
|
// MPEG-2/interlacing info
|
|
memcpy(&s->progressive_sequence, &s1->progressive_sequence,
|
|
(char *) &s1->rtp_mode - (char *) &s1->progressive_sequence);
|
|
|
|
if (!s1->first_field) {
|
|
s->last_pict_type = s1->pict_type;
|
|
if (s1->current_picture_ptr)
|
|
s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f->quality;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Set the given MpegEncContext to common defaults
|
|
* (same for encoding and decoding).
|
|
* The changed fields will not depend upon the
|
|
* prior state of the MpegEncContext.
|
|
*/
|
|
void ff_mpv_common_defaults(MpegEncContext *s)
|
|
{
|
|
s->y_dc_scale_table =
|
|
s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
|
|
s->chroma_qscale_table = ff_default_chroma_qscale_table;
|
|
s->progressive_frame = 1;
|
|
s->progressive_sequence = 1;
|
|
s->picture_structure = PICT_FRAME;
|
|
|
|
s->coded_picture_number = 0;
|
|
s->picture_number = 0;
|
|
|
|
s->f_code = 1;
|
|
s->b_code = 1;
|
|
|
|
s->slice_context_count = 1;
|
|
}
|
|
|
|
/**
|
|
* Set the given MpegEncContext to defaults for decoding.
|
|
* the changed fields will not depend upon
|
|
* the prior state of the MpegEncContext.
|
|
*/
|
|
void ff_mpv_decode_defaults(MpegEncContext *s)
|
|
{
|
|
ff_mpv_common_defaults(s);
|
|
}
|
|
|
|
void ff_mpv_decode_init(MpegEncContext *s, AVCodecContext *avctx)
|
|
{
|
|
s->avctx = avctx;
|
|
s->width = avctx->coded_width;
|
|
s->height = avctx->coded_height;
|
|
s->codec_id = avctx->codec->id;
|
|
s->workaround_bugs = avctx->workaround_bugs;
|
|
|
|
/* convert fourcc to upper case */
|
|
s->codec_tag = avpriv_toupper4(avctx->codec_tag);
|
|
}
|
|
|
|
/**
|
|
* Initialize and allocates MpegEncContext fields dependent on the resolution.
|
|
*/
|
|
static int init_context_frame(MpegEncContext *s)
|
|
{
|
|
int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y;
|
|
|
|
s->mb_width = (s->width + 15) / 16;
|
|
s->mb_stride = s->mb_width + 1;
|
|
s->b8_stride = s->mb_width * 2 + 1;
|
|
mb_array_size = s->mb_height * s->mb_stride;
|
|
mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
|
|
|
|
/* set default edge pos, will be overridden
|
|
* in decode_header if needed */
|
|
s->h_edge_pos = s->mb_width * 16;
|
|
s->v_edge_pos = s->mb_height * 16;
|
|
|
|
s->mb_num = s->mb_width * s->mb_height;
|
|
|
|
s->block_wrap[0] =
|
|
s->block_wrap[1] =
|
|
s->block_wrap[2] =
|
|
s->block_wrap[3] = s->b8_stride;
|
|
s->block_wrap[4] =
|
|
s->block_wrap[5] = s->mb_stride;
|
|
|
|
y_size = s->b8_stride * (2 * s->mb_height + 1);
|
|
c_size = s->mb_stride * (s->mb_height + 1);
|
|
yc_size = y_size + 2 * c_size;
|
|
|
|
if (s->mb_height & 1)
|
|
yc_size += 2*s->b8_stride + 2*s->mb_stride;
|
|
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->mb_index2xy, s->mb_num + 1))
|
|
return AVERROR(ENOMEM);
|
|
for (y = 0; y < s->mb_height; y++)
|
|
for (x = 0; x < s->mb_width; x++)
|
|
s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;
|
|
|
|
s->mb_index2xy[s->mb_height * s->mb_width] = (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed?
|
|
|
|
if (s->encoding) {
|
|
/* Allocate MV tables */
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->p_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_forw_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_back_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_bidir_forw_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_bidir_back_mv_table_base, mv_table_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->b_direct_mv_table_base, mv_table_size))
|
|
return AVERROR(ENOMEM);
|
|
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
|
|
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
|
|
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
|
|
s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
|
|
s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base + s->mb_stride + 1;
|
|
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
|
|
|
|
/* Allocate MB type table */
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->mb_type, mb_array_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->lambda_table, mb_array_size) ||
|
|
!FF_ALLOC_TYPED_ARRAY (s->cplx_tab, mb_array_size) ||
|
|
!FF_ALLOC_TYPED_ARRAY (s->bits_tab, mb_array_size))
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
if (s->codec_id == AV_CODEC_ID_MPEG4 ||
|
|
(s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME)) {
|
|
/* interlaced direct mode decoding tables */
|
|
for (i = 0; i < 2; i++) {
|
|
int j, k;
|
|
for (j = 0; j < 2; j++) {
|
|
for (k = 0; k < 2; k++) {
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->b_field_mv_table_base[i][j][k], mv_table_size))
|
|
return AVERROR(ENOMEM);
|
|
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +
|
|
s->mb_stride + 1;
|
|
}
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->b_field_select_table [i][j], mv_table_size * 2) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->p_field_mv_table_base[i][j], mv_table_size))
|
|
return AVERROR(ENOMEM);
|
|
s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1;
|
|
}
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->p_field_select_table[i], mv_table_size * 2))
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
}
|
|
if (s->out_format == FMT_H263) {
|
|
/* cbp values, cbp, ac_pred, pred_dir */
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->coded_block_base, y_size + (s->mb_height&1)*2*s->b8_stride) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->cbp_table, mb_array_size) ||
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->pred_dir_table, mb_array_size))
|
|
return AVERROR(ENOMEM);
|
|
s->coded_block = s->coded_block_base + s->b8_stride + 1;
|
|
}
|
|
|
|
if (s->h263_pred || s->h263_plus || !s->encoding) {
|
|
/* dc values */
|
|
// MN: we need these for error resilience of intra-frames
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->dc_val_base, yc_size))
|
|
return AVERROR(ENOMEM);
|
|
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
|
|
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
|
|
s->dc_val[2] = s->dc_val[1] + c_size;
|
|
for (i = 0; i < yc_size; i++)
|
|
s->dc_val_base[i] = 1024;
|
|
}
|
|
|
|
/* which mb is an intra block, init macroblock skip table */
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->mbintra_table, mb_array_size) ||
|
|
// Note the + 1 is for a quicker MPEG-4 slice_end detection
|
|
!FF_ALLOCZ_TYPED_ARRAY(s->mbskip_table, mb_array_size + 2))
|
|
return AVERROR(ENOMEM);
|
|
memset(s->mbintra_table, 1, mb_array_size);
|
|
|
|
return ff_mpeg_er_init(s);
|
|
}
|
|
|
|
static void clear_context(MpegEncContext *s)
|
|
{
|
|
int i, j, k;
|
|
|
|
memset(&s->next_picture, 0, sizeof(s->next_picture));
|
|
memset(&s->last_picture, 0, sizeof(s->last_picture));
|
|
memset(&s->current_picture, 0, sizeof(s->current_picture));
|
|
memset(&s->new_picture, 0, sizeof(s->new_picture));
|
|
|
|
memset(s->thread_context, 0, sizeof(s->thread_context));
|
|
|
|
s->me.map = NULL;
|
|
s->me.score_map = NULL;
|
|
s->dct_error_sum = NULL;
|
|
s->block = NULL;
|
|
s->blocks = NULL;
|
|
s->block32 = NULL;
|
|
memset(s->pblocks, 0, sizeof(s->pblocks));
|
|
s->dpcm_direction = 0;
|
|
s->dpcm_macroblock = NULL;
|
|
s->ac_val_base = NULL;
|
|
s->ac_val[0] =
|
|
s->ac_val[1] =
|
|
s->ac_val[2] =NULL;
|
|
s->sc.edge_emu_buffer = NULL;
|
|
s->me.scratchpad = NULL;
|
|
s->me.temp =
|
|
s->sc.rd_scratchpad =
|
|
s->sc.b_scratchpad =
|
|
s->sc.obmc_scratchpad = NULL;
|
|
|
|
|
|
s->bitstream_buffer = NULL;
|
|
s->allocated_bitstream_buffer_size = 0;
|
|
s->picture = NULL;
|
|
s->mb_type = NULL;
|
|
s->p_mv_table_base = NULL;
|
|
s->b_forw_mv_table_base = NULL;
|
|
s->b_back_mv_table_base = NULL;
|
|
s->b_bidir_forw_mv_table_base = NULL;
|
|
s->b_bidir_back_mv_table_base = NULL;
|
|
s->b_direct_mv_table_base = NULL;
|
|
s->p_mv_table = NULL;
|
|
s->b_forw_mv_table = NULL;
|
|
s->b_back_mv_table = NULL;
|
|
s->b_bidir_forw_mv_table = NULL;
|
|
s->b_bidir_back_mv_table = NULL;
|
|
s->b_direct_mv_table = NULL;
|
|
for (i = 0; i < 2; i++) {
|
|
for (j = 0; j < 2; j++) {
|
|
for (k = 0; k < 2; k++) {
|
|
s->b_field_mv_table_base[i][j][k] = NULL;
|
|
s->b_field_mv_table[i][j][k] = NULL;
|
|
}
|
|
s->b_field_select_table[i][j] = NULL;
|
|
s->p_field_mv_table_base[i][j] = NULL;
|
|
s->p_field_mv_table[i][j] = NULL;
|
|
}
|
|
s->p_field_select_table[i] = NULL;
|
|
}
|
|
|
|
s->dc_val_base = NULL;
|
|
s->coded_block_base = NULL;
|
|
s->mbintra_table = NULL;
|
|
s->cbp_table = NULL;
|
|
s->pred_dir_table = NULL;
|
|
|
|
s->mbskip_table = NULL;
|
|
|
|
s->er.error_status_table = NULL;
|
|
s->er.er_temp_buffer = NULL;
|
|
s->mb_index2xy = NULL;
|
|
s->lambda_table = NULL;
|
|
|
|
s->cplx_tab = NULL;
|
|
s->bits_tab = NULL;
|
|
}
|
|
|
|
/**
|
|
* init common structure for both encoder and decoder.
|
|
* this assumes that some variables like width/height are already set
|
|
*/
|
|
av_cold int ff_mpv_common_init(MpegEncContext *s)
|
|
{
|
|
int i, ret;
|
|
int nb_slices = (HAVE_THREADS &&
|
|
s->avctx->active_thread_type & FF_THREAD_SLICE) ?
|
|
s->avctx->thread_count : 1;
|
|
|
|
clear_context(s);
|
|
|
|
if (s->encoding && s->avctx->slices)
|
|
nb_slices = s->avctx->slices;
|
|
|
|
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
|
|
s->mb_height = (s->height + 31) / 32 * 2;
|
|
else
|
|
s->mb_height = (s->height + 15) / 16;
|
|
|
|
if (s->avctx->pix_fmt == AV_PIX_FMT_NONE) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"decoding to AV_PIX_FMT_NONE is not supported.\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
if (nb_slices > MAX_THREADS || (nb_slices > s->mb_height && s->mb_height)) {
|
|
int max_slices;
|
|
if (s->mb_height)
|
|
max_slices = FFMIN(MAX_THREADS, s->mb_height);
|
|
else
|
|
max_slices = MAX_THREADS;
|
|
av_log(s->avctx, AV_LOG_WARNING, "too many threads/slices (%d),"
|
|
" reducing to %d\n", nb_slices, max_slices);
|
|
nb_slices = max_slices;
|
|
}
|
|
|
|
if ((s->width || s->height) &&
|
|
av_image_check_size(s->width, s->height, 0, s->avctx))
|
|
return AVERROR(EINVAL);
|
|
|
|
dct_init(s);
|
|
|
|
/* set chroma shifts */
|
|
ret = av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
|
|
&s->chroma_x_shift,
|
|
&s->chroma_y_shift);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (!FF_ALLOCZ_TYPED_ARRAY(s->picture, MAX_PICTURE_COUNT))
|
|
return AVERROR(ENOMEM);
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
s->picture[i].f = av_frame_alloc();
|
|
if (!s->picture[i].f)
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
if (!(s->next_picture.f = av_frame_alloc()) ||
|
|
!(s->last_picture.f = av_frame_alloc()) ||
|
|
!(s->current_picture.f = av_frame_alloc()) ||
|
|
!(s->new_picture.f = av_frame_alloc()))
|
|
return AVERROR(ENOMEM);
|
|
|
|
if ((ret = init_context_frame(s)))
|
|
return AVERROR(ENOMEM);
|
|
|
|
s->parse_context.state = -1;
|
|
|
|
s->context_initialized = 1;
|
|
memset(s->thread_context, 0, sizeof(s->thread_context));
|
|
s->thread_context[0] = s;
|
|
|
|
// if (s->width && s->height) {
|
|
if (nb_slices > 1) {
|
|
for (i = 0; i < nb_slices; i++) {
|
|
if (i) {
|
|
s->thread_context[i] = av_memdup(s, sizeof(MpegEncContext));
|
|
if (!s->thread_context[i])
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
if ((ret = init_duplicate_context(s->thread_context[i])) < 0)
|
|
return ret;
|
|
s->thread_context[i]->start_mb_y =
|
|
(s->mb_height * (i) + nb_slices / 2) / nb_slices;
|
|
s->thread_context[i]->end_mb_y =
|
|
(s->mb_height * (i + 1) + nb_slices / 2) / nb_slices;
|
|
}
|
|
} else {
|
|
if ((ret = init_duplicate_context(s)) < 0)
|
|
return ret;
|
|
s->start_mb_y = 0;
|
|
s->end_mb_y = s->mb_height;
|
|
}
|
|
s->slice_context_count = nb_slices;
|
|
// }
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Frees and resets MpegEncContext fields depending on the resolution.
|
|
* Is used during resolution changes to avoid a full reinitialization of the
|
|
* codec.
|
|
*/
|
|
static void free_context_frame(MpegEncContext *s)
|
|
{
|
|
int i, j, k;
|
|
|
|
av_freep(&s->mb_type);
|
|
av_freep(&s->p_mv_table_base);
|
|
av_freep(&s->b_forw_mv_table_base);
|
|
av_freep(&s->b_back_mv_table_base);
|
|
av_freep(&s->b_bidir_forw_mv_table_base);
|
|
av_freep(&s->b_bidir_back_mv_table_base);
|
|
av_freep(&s->b_direct_mv_table_base);
|
|
s->p_mv_table = NULL;
|
|
s->b_forw_mv_table = NULL;
|
|
s->b_back_mv_table = NULL;
|
|
s->b_bidir_forw_mv_table = NULL;
|
|
s->b_bidir_back_mv_table = NULL;
|
|
s->b_direct_mv_table = NULL;
|
|
for (i = 0; i < 2; i++) {
|
|
for (j = 0; j < 2; j++) {
|
|
for (k = 0; k < 2; k++) {
|
|
av_freep(&s->b_field_mv_table_base[i][j][k]);
|
|
s->b_field_mv_table[i][j][k] = NULL;
|
|
}
|
|
av_freep(&s->b_field_select_table[i][j]);
|
|
av_freep(&s->p_field_mv_table_base[i][j]);
|
|
s->p_field_mv_table[i][j] = NULL;
|
|
}
|
|
av_freep(&s->p_field_select_table[i]);
|
|
}
|
|
|
|
av_freep(&s->dc_val_base);
|
|
av_freep(&s->coded_block_base);
|
|
av_freep(&s->mbintra_table);
|
|
av_freep(&s->cbp_table);
|
|
av_freep(&s->pred_dir_table);
|
|
|
|
av_freep(&s->mbskip_table);
|
|
|
|
av_freep(&s->er.error_status_table);
|
|
av_freep(&s->er.er_temp_buffer);
|
|
av_freep(&s->mb_index2xy);
|
|
av_freep(&s->lambda_table);
|
|
|
|
av_freep(&s->cplx_tab);
|
|
av_freep(&s->bits_tab);
|
|
|
|
s->linesize = s->uvlinesize = 0;
|
|
}
|
|
|
|
int ff_mpv_common_frame_size_change(MpegEncContext *s)
|
|
{
|
|
int i, err = 0;
|
|
|
|
if (!s->context_initialized)
|
|
return AVERROR(EINVAL);
|
|
|
|
if (s->slice_context_count > 1) {
|
|
for (i = 0; i < s->slice_context_count; i++) {
|
|
free_duplicate_context(s->thread_context[i]);
|
|
}
|
|
for (i = 1; i < s->slice_context_count; i++) {
|
|
av_freep(&s->thread_context[i]);
|
|
}
|
|
} else
|
|
free_duplicate_context(s);
|
|
|
|
free_context_frame(s);
|
|
|
|
if (s->picture)
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
s->picture[i].needs_realloc = 1;
|
|
}
|
|
|
|
s->last_picture_ptr =
|
|
s->next_picture_ptr =
|
|
s->current_picture_ptr = NULL;
|
|
|
|
// init
|
|
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
|
|
s->mb_height = (s->height + 31) / 32 * 2;
|
|
else
|
|
s->mb_height = (s->height + 15) / 16;
|
|
|
|
if ((s->width || s->height) &&
|
|
(err = av_image_check_size(s->width, s->height, 0, s->avctx)) < 0)
|
|
return err;
|
|
|
|
if ((err = init_context_frame(s)))
|
|
return err;
|
|
|
|
memset(s->thread_context, 0, sizeof(s->thread_context));
|
|
s->thread_context[0] = s;
|
|
|
|
if (s->width && s->height) {
|
|
int nb_slices = s->slice_context_count;
|
|
if (nb_slices > 1) {
|
|
for (i = 0; i < nb_slices; i++) {
|
|
if (i) {
|
|
s->thread_context[i] = av_memdup(s, sizeof(MpegEncContext));
|
|
if (!s->thread_context[i]) {
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
}
|
|
if ((err = init_duplicate_context(s->thread_context[i])) < 0)
|
|
return err;
|
|
s->thread_context[i]->start_mb_y =
|
|
(s->mb_height * (i) + nb_slices / 2) / nb_slices;
|
|
s->thread_context[i]->end_mb_y =
|
|
(s->mb_height * (i + 1) + nb_slices / 2) / nb_slices;
|
|
}
|
|
} else {
|
|
err = init_duplicate_context(s);
|
|
if (err < 0)
|
|
return err;
|
|
s->start_mb_y = 0;
|
|
s->end_mb_y = s->mb_height;
|
|
}
|
|
s->slice_context_count = nb_slices;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* init common structure for both encoder and decoder */
|
|
void ff_mpv_common_end(MpegEncContext *s)
|
|
{
|
|
int i;
|
|
|
|
if (!s)
|
|
return;
|
|
|
|
if (s->slice_context_count > 1) {
|
|
for (i = 0; i < s->slice_context_count; i++) {
|
|
free_duplicate_context(s->thread_context[i]);
|
|
}
|
|
for (i = 1; i < s->slice_context_count; i++) {
|
|
av_freep(&s->thread_context[i]);
|
|
}
|
|
s->slice_context_count = 1;
|
|
} else free_duplicate_context(s);
|
|
|
|
av_freep(&s->parse_context.buffer);
|
|
s->parse_context.buffer_size = 0;
|
|
|
|
av_freep(&s->bitstream_buffer);
|
|
s->allocated_bitstream_buffer_size = 0;
|
|
|
|
if (!s->avctx)
|
|
return;
|
|
|
|
if (s->picture) {
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
ff_free_picture_tables(&s->picture[i]);
|
|
ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
|
|
av_frame_free(&s->picture[i].f);
|
|
}
|
|
}
|
|
av_freep(&s->picture);
|
|
ff_free_picture_tables(&s->last_picture);
|
|
ff_mpeg_unref_picture(s->avctx, &s->last_picture);
|
|
av_frame_free(&s->last_picture.f);
|
|
ff_free_picture_tables(&s->current_picture);
|
|
ff_mpeg_unref_picture(s->avctx, &s->current_picture);
|
|
av_frame_free(&s->current_picture.f);
|
|
ff_free_picture_tables(&s->next_picture);
|
|
ff_mpeg_unref_picture(s->avctx, &s->next_picture);
|
|
av_frame_free(&s->next_picture.f);
|
|
ff_free_picture_tables(&s->new_picture);
|
|
ff_mpeg_unref_picture(s->avctx, &s->new_picture);
|
|
av_frame_free(&s->new_picture.f);
|
|
|
|
free_context_frame(s);
|
|
|
|
s->context_initialized = 0;
|
|
s->last_picture_ptr =
|
|
s->next_picture_ptr =
|
|
s->current_picture_ptr = NULL;
|
|
s->linesize = s->uvlinesize = 0;
|
|
}
|
|
|
|
|
|
static void gray_frame(AVFrame *frame)
|
|
{
|
|
int i, h_chroma_shift, v_chroma_shift;
|
|
|
|
av_pix_fmt_get_chroma_sub_sample(frame->format, &h_chroma_shift, &v_chroma_shift);
|
|
|
|
for(i=0; i<frame->height; i++)
|
|
memset(frame->data[0] + frame->linesize[0]*i, 0x80, frame->width);
|
|
for(i=0; i<AV_CEIL_RSHIFT(frame->height, v_chroma_shift); i++) {
|
|
memset(frame->data[1] + frame->linesize[1]*i,
|
|
0x80, AV_CEIL_RSHIFT(frame->width, h_chroma_shift));
|
|
memset(frame->data[2] + frame->linesize[2]*i,
|
|
0x80, AV_CEIL_RSHIFT(frame->width, h_chroma_shift));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* generic function called after decoding
|
|
* the header and before a frame is decoded.
|
|
*/
|
|
int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx)
|
|
{
|
|
int i, ret;
|
|
Picture *pic;
|
|
s->mb_skipped = 0;
|
|
|
|
if (!ff_thread_can_start_frame(avctx)) {
|
|
av_log(avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n");
|
|
return -1;
|
|
}
|
|
|
|
/* mark & release old frames */
|
|
if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr &&
|
|
s->last_picture_ptr != s->next_picture_ptr &&
|
|
s->last_picture_ptr->f->buf[0]) {
|
|
ff_mpeg_unref_picture(s->avctx, s->last_picture_ptr);
|
|
}
|
|
|
|
/* release forgotten pictures */
|
|
/* if (MPEG-124 / H.263) */
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (&s->picture[i] != s->last_picture_ptr &&
|
|
&s->picture[i] != s->next_picture_ptr &&
|
|
s->picture[i].reference && !s->picture[i].needs_realloc) {
|
|
ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
|
|
}
|
|
}
|
|
|
|
ff_mpeg_unref_picture(s->avctx, &s->current_picture);
|
|
ff_mpeg_unref_picture(s->avctx, &s->last_picture);
|
|
ff_mpeg_unref_picture(s->avctx, &s->next_picture);
|
|
|
|
/* release non reference frames */
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (!s->picture[i].reference)
|
|
ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
|
|
}
|
|
|
|
if (s->current_picture_ptr && !s->current_picture_ptr->f->buf[0]) {
|
|
// we already have an unused image
|
|
// (maybe it was set before reading the header)
|
|
pic = s->current_picture_ptr;
|
|
} else {
|
|
i = ff_find_unused_picture(s->avctx, s->picture, 0);
|
|
if (i < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
return i;
|
|
}
|
|
pic = &s->picture[i];
|
|
}
|
|
|
|
pic->reference = 0;
|
|
if (!s->droppable) {
|
|
if (s->pict_type != AV_PICTURE_TYPE_B)
|
|
pic->reference = 3;
|
|
}
|
|
|
|
pic->f->coded_picture_number = s->coded_picture_number++;
|
|
|
|
if (alloc_picture(s, pic) < 0)
|
|
return -1;
|
|
|
|
s->current_picture_ptr = pic;
|
|
// FIXME use only the vars from current_pic
|
|
s->current_picture_ptr->f->top_field_first = s->top_field_first;
|
|
if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO ||
|
|
s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
|
|
if (s->picture_structure != PICT_FRAME)
|
|
s->current_picture_ptr->f->top_field_first =
|
|
(s->picture_structure == PICT_TOP_FIELD) == s->first_field;
|
|
}
|
|
s->current_picture_ptr->f->interlaced_frame = !s->progressive_frame &&
|
|
!s->progressive_sequence;
|
|
s->current_picture_ptr->field_picture = s->picture_structure != PICT_FRAME;
|
|
|
|
s->current_picture_ptr->f->pict_type = s->pict_type;
|
|
// if (s->avctx->flags && AV_CODEC_FLAG_QSCALE)
|
|
// s->current_picture_ptr->quality = s->new_picture_ptr->quality;
|
|
s->current_picture_ptr->f->key_frame = s->pict_type == AV_PICTURE_TYPE_I;
|
|
|
|
if ((ret = ff_mpeg_ref_picture(s->avctx, &s->current_picture,
|
|
s->current_picture_ptr)) < 0)
|
|
return ret;
|
|
|
|
if (s->pict_type != AV_PICTURE_TYPE_B) {
|
|
s->last_picture_ptr = s->next_picture_ptr;
|
|
if (!s->droppable)
|
|
s->next_picture_ptr = s->current_picture_ptr;
|
|
}
|
|
ff_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n",
|
|
s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
|
|
s->last_picture_ptr ? s->last_picture_ptr->f->data[0] : NULL,
|
|
s->next_picture_ptr ? s->next_picture_ptr->f->data[0] : NULL,
|
|
s->current_picture_ptr ? s->current_picture_ptr->f->data[0] : NULL,
|
|
s->pict_type, s->droppable);
|
|
|
|
if ((!s->last_picture_ptr || !s->last_picture_ptr->f->buf[0]) &&
|
|
(s->pict_type != AV_PICTURE_TYPE_I)) {
|
|
int h_chroma_shift, v_chroma_shift;
|
|
av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
|
|
&h_chroma_shift, &v_chroma_shift);
|
|
if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture_ptr && s->next_picture_ptr->f->buf[0])
|
|
av_log(avctx, AV_LOG_DEBUG,
|
|
"allocating dummy last picture for B frame\n");
|
|
else if (s->pict_type != AV_PICTURE_TYPE_I)
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"warning: first frame is no keyframe\n");
|
|
|
|
/* Allocate a dummy frame */
|
|
i = ff_find_unused_picture(s->avctx, s->picture, 0);
|
|
if (i < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
return i;
|
|
}
|
|
s->last_picture_ptr = &s->picture[i];
|
|
|
|
s->last_picture_ptr->reference = 3;
|
|
s->last_picture_ptr->f->key_frame = 0;
|
|
s->last_picture_ptr->f->pict_type = AV_PICTURE_TYPE_P;
|
|
|
|
if (alloc_picture(s, s->last_picture_ptr) < 0) {
|
|
s->last_picture_ptr = NULL;
|
|
return -1;
|
|
}
|
|
|
|
if (!avctx->hwaccel) {
|
|
for(i=0; i<avctx->height; i++)
|
|
memset(s->last_picture_ptr->f->data[0] + s->last_picture_ptr->f->linesize[0]*i,
|
|
0x80, avctx->width);
|
|
if (s->last_picture_ptr->f->data[2]) {
|
|
for(i=0; i<AV_CEIL_RSHIFT(avctx->height, v_chroma_shift); i++) {
|
|
memset(s->last_picture_ptr->f->data[1] + s->last_picture_ptr->f->linesize[1]*i,
|
|
0x80, AV_CEIL_RSHIFT(avctx->width, h_chroma_shift));
|
|
memset(s->last_picture_ptr->f->data[2] + s->last_picture_ptr->f->linesize[2]*i,
|
|
0x80, AV_CEIL_RSHIFT(avctx->width, h_chroma_shift));
|
|
}
|
|
}
|
|
|
|
if(s->codec_id == AV_CODEC_ID_FLV1 || s->codec_id == AV_CODEC_ID_H263){
|
|
for(i=0; i<avctx->height; i++)
|
|
memset(s->last_picture_ptr->f->data[0] + s->last_picture_ptr->f->linesize[0]*i, 16, avctx->width);
|
|
}
|
|
}
|
|
|
|
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0);
|
|
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1);
|
|
}
|
|
if ((!s->next_picture_ptr || !s->next_picture_ptr->f->buf[0]) &&
|
|
s->pict_type == AV_PICTURE_TYPE_B) {
|
|
/* Allocate a dummy frame */
|
|
i = ff_find_unused_picture(s->avctx, s->picture, 0);
|
|
if (i < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
return i;
|
|
}
|
|
s->next_picture_ptr = &s->picture[i];
|
|
|
|
s->next_picture_ptr->reference = 3;
|
|
s->next_picture_ptr->f->key_frame = 0;
|
|
s->next_picture_ptr->f->pict_type = AV_PICTURE_TYPE_P;
|
|
|
|
if (alloc_picture(s, s->next_picture_ptr) < 0) {
|
|
s->next_picture_ptr = NULL;
|
|
return -1;
|
|
}
|
|
ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 0);
|
|
ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 1);
|
|
}
|
|
|
|
#if 0 // BUFREF-FIXME
|
|
memset(s->last_picture.f->data, 0, sizeof(s->last_picture.f->data));
|
|
memset(s->next_picture.f->data, 0, sizeof(s->next_picture.f->data));
|
|
#endif
|
|
if (s->last_picture_ptr) {
|
|
if (s->last_picture_ptr->f->buf[0] &&
|
|
(ret = ff_mpeg_ref_picture(s->avctx, &s->last_picture,
|
|
s->last_picture_ptr)) < 0)
|
|
return ret;
|
|
}
|
|
if (s->next_picture_ptr) {
|
|
if (s->next_picture_ptr->f->buf[0] &&
|
|
(ret = ff_mpeg_ref_picture(s->avctx, &s->next_picture,
|
|
s->next_picture_ptr)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
av_assert0(s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr &&
|
|
s->last_picture_ptr->f->buf[0]));
|
|
|
|
if (s->picture_structure!= PICT_FRAME) {
|
|
int i;
|
|
for (i = 0; i < 4; i++) {
|
|
if (s->picture_structure == PICT_BOTTOM_FIELD) {
|
|
s->current_picture.f->data[i] +=
|
|
s->current_picture.f->linesize[i];
|
|
}
|
|
s->current_picture.f->linesize[i] *= 2;
|
|
s->last_picture.f->linesize[i] *= 2;
|
|
s->next_picture.f->linesize[i] *= 2;
|
|
}
|
|
}
|
|
|
|
/* set dequantizer, we can't do it during init as
|
|
* it might change for MPEG-4 and we can't do it in the header
|
|
* decode as init is not called for MPEG-4 there yet */
|
|
if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
|
|
s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra;
|
|
s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter;
|
|
} else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) {
|
|
s->dct_unquantize_intra = s->dct_unquantize_h263_intra;
|
|
s->dct_unquantize_inter = s->dct_unquantize_h263_inter;
|
|
} else {
|
|
s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra;
|
|
s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter;
|
|
}
|
|
|
|
if (s->avctx->debug & FF_DEBUG_NOMC) {
|
|
gray_frame(s->current_picture_ptr->f);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* called after a frame has been decoded. */
|
|
void ff_mpv_frame_end(MpegEncContext *s)
|
|
{
|
|
emms_c();
|
|
|
|
if (s->current_picture.reference)
|
|
ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0);
|
|
}
|
|
|
|
void ff_print_debug_info(MpegEncContext *s, Picture *p, AVFrame *pict)
|
|
{
|
|
ff_print_debug_info2(s->avctx, pict, s->mbskip_table, p->mb_type,
|
|
p->qscale_table, p->motion_val, &s->low_delay,
|
|
s->mb_width, s->mb_height, s->mb_stride, s->quarter_sample);
|
|
}
|
|
|
|
int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type)
|
|
{
|
|
AVBufferRef *ref = av_buffer_ref(p->qscale_table_buf);
|
|
int offset = 2*s->mb_stride + 1;
|
|
if(!ref)
|
|
return AVERROR(ENOMEM);
|
|
av_assert0(ref->size >= offset + s->mb_stride * ((f->height+15)/16));
|
|
ref->size -= offset;
|
|
ref->data += offset;
|
|
return av_frame_set_qp_table(f, ref, s->mb_stride, qp_type);
|
|
}
|
|
|
|
static inline int hpel_motion_lowres(MpegEncContext *s,
|
|
uint8_t *dest, uint8_t *src,
|
|
int field_based, int field_select,
|
|
int src_x, int src_y,
|
|
int width, int height, ptrdiff_t stride,
|
|
int h_edge_pos, int v_edge_pos,
|
|
int w, int h, h264_chroma_mc_func *pix_op,
|
|
int motion_x, int motion_y)
|
|
{
|
|
const int lowres = s->avctx->lowres;
|
|
const int op_index = FFMIN(lowres, 3);
|
|
const int s_mask = (2 << lowres) - 1;
|
|
int emu = 0;
|
|
int sx, sy;
|
|
|
|
if (s->quarter_sample) {
|
|
motion_x /= 2;
|
|
motion_y /= 2;
|
|
}
|
|
|
|
sx = motion_x & s_mask;
|
|
sy = motion_y & s_mask;
|
|
src_x += motion_x >> lowres + 1;
|
|
src_y += motion_y >> lowres + 1;
|
|
|
|
src += src_y * stride + src_x;
|
|
|
|
if ((unsigned)src_x > FFMAX( h_edge_pos - (!!sx) - w, 0) ||
|
|
(unsigned)src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) {
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, src,
|
|
s->linesize, s->linesize,
|
|
w + 1, (h + 1) << field_based,
|
|
src_x, src_y << field_based,
|
|
h_edge_pos, v_edge_pos);
|
|
src = s->sc.edge_emu_buffer;
|
|
emu = 1;
|
|
}
|
|
|
|
sx = (sx << 2) >> lowres;
|
|
sy = (sy << 2) >> lowres;
|
|
if (field_select)
|
|
src += s->linesize;
|
|
pix_op[op_index](dest, src, stride, h, sx, sy);
|
|
return emu;
|
|
}
|
|
|
|
/* apply one mpeg motion vector to the three components */
|
|
static av_always_inline void mpeg_motion_lowres(MpegEncContext *s,
|
|
uint8_t *dest_y,
|
|
uint8_t *dest_cb,
|
|
uint8_t *dest_cr,
|
|
int field_based,
|
|
int bottom_field,
|
|
int field_select,
|
|
uint8_t **ref_picture,
|
|
h264_chroma_mc_func *pix_op,
|
|
int motion_x, int motion_y,
|
|
int h, int mb_y)
|
|
{
|
|
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
|
|
int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, sx, sy, uvsx, uvsy;
|
|
ptrdiff_t uvlinesize, linesize;
|
|
const int lowres = s->avctx->lowres;
|
|
const int op_index = FFMIN(lowres-1+s->chroma_x_shift, 3);
|
|
const int block_s = 8>>lowres;
|
|
const int s_mask = (2 << lowres) - 1;
|
|
const int h_edge_pos = s->h_edge_pos >> lowres;
|
|
const int v_edge_pos = s->v_edge_pos >> lowres;
|
|
linesize = s->current_picture.f->linesize[0] << field_based;
|
|
uvlinesize = s->current_picture.f->linesize[1] << field_based;
|
|
|
|
// FIXME obviously not perfect but qpel will not work in lowres anyway
|
|
if (s->quarter_sample) {
|
|
motion_x /= 2;
|
|
motion_y /= 2;
|
|
}
|
|
|
|
if(field_based){
|
|
motion_y += (bottom_field - field_select)*((1 << lowres)-1);
|
|
}
|
|
|
|
sx = motion_x & s_mask;
|
|
sy = motion_y & s_mask;
|
|
src_x = s->mb_x * 2 * block_s + (motion_x >> lowres + 1);
|
|
src_y = (mb_y * 2 * block_s >> field_based) + (motion_y >> lowres + 1);
|
|
|
|
if (s->out_format == FMT_H263) {
|
|
uvsx = ((motion_x >> 1) & s_mask) | (sx & 1);
|
|
uvsy = ((motion_y >> 1) & s_mask) | (sy & 1);
|
|
uvsrc_x = src_x >> 1;
|
|
uvsrc_y = src_y >> 1;
|
|
} else if (s->out_format == FMT_H261) {
|
|
// even chroma mv's are full pel in H261
|
|
mx = motion_x / 4;
|
|
my = motion_y / 4;
|
|
uvsx = (2 * mx) & s_mask;
|
|
uvsy = (2 * my) & s_mask;
|
|
uvsrc_x = s->mb_x * block_s + (mx >> lowres);
|
|
uvsrc_y = mb_y * block_s + (my >> lowres);
|
|
} else {
|
|
if(s->chroma_y_shift){
|
|
mx = motion_x / 2;
|
|
my = motion_y / 2;
|
|
uvsx = mx & s_mask;
|
|
uvsy = my & s_mask;
|
|
uvsrc_x = s->mb_x * block_s + (mx >> lowres + 1);
|
|
uvsrc_y = (mb_y * block_s >> field_based) + (my >> lowres + 1);
|
|
} else {
|
|
if(s->chroma_x_shift){
|
|
//Chroma422
|
|
mx = motion_x / 2;
|
|
uvsx = mx & s_mask;
|
|
uvsy = motion_y & s_mask;
|
|
uvsrc_y = src_y;
|
|
uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1));
|
|
} else {
|
|
//Chroma444
|
|
uvsx = motion_x & s_mask;
|
|
uvsy = motion_y & s_mask;
|
|
uvsrc_x = src_x;
|
|
uvsrc_y = src_y;
|
|
}
|
|
}
|
|
}
|
|
|
|
ptr_y = ref_picture[0] + src_y * linesize + src_x;
|
|
ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x;
|
|
ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x;
|
|
|
|
if ((unsigned) src_x > FFMAX( h_edge_pos - (!!sx) - 2 * block_s, 0) || uvsrc_y<0 ||
|
|
(unsigned) src_y > FFMAX((v_edge_pos >> field_based) - (!!sy) - h, 0)) {
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr_y,
|
|
linesize >> field_based, linesize >> field_based,
|
|
17, 17 + field_based,
|
|
src_x, src_y << field_based, h_edge_pos,
|
|
v_edge_pos);
|
|
ptr_y = s->sc.edge_emu_buffer;
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
uint8_t *ubuf = s->sc.edge_emu_buffer + 18 * s->linesize;
|
|
uint8_t *vbuf =ubuf + 10 * s->uvlinesize;
|
|
if (s->workaround_bugs & FF_BUG_IEDGE)
|
|
vbuf -= s->uvlinesize;
|
|
s->vdsp.emulated_edge_mc(ubuf, ptr_cb,
|
|
uvlinesize >> field_based, uvlinesize >> field_based,
|
|
9, 9 + field_based,
|
|
uvsrc_x, uvsrc_y << field_based,
|
|
h_edge_pos >> 1, v_edge_pos >> 1);
|
|
s->vdsp.emulated_edge_mc(vbuf, ptr_cr,
|
|
uvlinesize >> field_based,uvlinesize >> field_based,
|
|
9, 9 + field_based,
|
|
uvsrc_x, uvsrc_y << field_based,
|
|
h_edge_pos >> 1, v_edge_pos >> 1);
|
|
ptr_cb = ubuf;
|
|
ptr_cr = vbuf;
|
|
}
|
|
}
|
|
|
|
// FIXME use this for field pix too instead of the obnoxious hack which changes picture.f->data
|
|
if (bottom_field) {
|
|
dest_y += s->linesize;
|
|
dest_cb += s->uvlinesize;
|
|
dest_cr += s->uvlinesize;
|
|
}
|
|
|
|
if (field_select) {
|
|
ptr_y += s->linesize;
|
|
ptr_cb += s->uvlinesize;
|
|
ptr_cr += s->uvlinesize;
|
|
}
|
|
|
|
sx = (sx << 2) >> lowres;
|
|
sy = (sy << 2) >> lowres;
|
|
pix_op[lowres - 1](dest_y, ptr_y, linesize, h, sx, sy);
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
int hc = s->chroma_y_shift ? (h+1-bottom_field)>>1 : h;
|
|
uvsx = (uvsx << 2) >> lowres;
|
|
uvsy = (uvsy << 2) >> lowres;
|
|
if (hc) {
|
|
pix_op[op_index](dest_cb, ptr_cb, uvlinesize, hc, uvsx, uvsy);
|
|
pix_op[op_index](dest_cr, ptr_cr, uvlinesize, hc, uvsx, uvsy);
|
|
}
|
|
}
|
|
// FIXME h261 lowres loop filter
|
|
}
|
|
|
|
static inline void chroma_4mv_motion_lowres(MpegEncContext *s,
|
|
uint8_t *dest_cb, uint8_t *dest_cr,
|
|
uint8_t **ref_picture,
|
|
h264_chroma_mc_func * pix_op,
|
|
int mx, int my)
|
|
{
|
|
const int lowres = s->avctx->lowres;
|
|
const int op_index = FFMIN(lowres, 3);
|
|
const int block_s = 8 >> lowres;
|
|
const int s_mask = (2 << lowres) - 1;
|
|
const int h_edge_pos = s->h_edge_pos >> lowres + 1;
|
|
const int v_edge_pos = s->v_edge_pos >> lowres + 1;
|
|
int emu = 0, src_x, src_y, sx, sy;
|
|
ptrdiff_t offset;
|
|
uint8_t *ptr;
|
|
|
|
if (s->quarter_sample) {
|
|
mx /= 2;
|
|
my /= 2;
|
|
}
|
|
|
|
/* In case of 8X8, we construct a single chroma motion vector
|
|
with a special rounding */
|
|
mx = ff_h263_round_chroma(mx);
|
|
my = ff_h263_round_chroma(my);
|
|
|
|
sx = mx & s_mask;
|
|
sy = my & s_mask;
|
|
src_x = s->mb_x * block_s + (mx >> lowres + 1);
|
|
src_y = s->mb_y * block_s + (my >> lowres + 1);
|
|
|
|
offset = src_y * s->uvlinesize + src_x;
|
|
ptr = ref_picture[1] + offset;
|
|
if ((unsigned) src_x > FFMAX(h_edge_pos - (!!sx) - block_s, 0) ||
|
|
(unsigned) src_y > FFMAX(v_edge_pos - (!!sy) - block_s, 0)) {
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
|
|
s->uvlinesize, s->uvlinesize,
|
|
9, 9,
|
|
src_x, src_y, h_edge_pos, v_edge_pos);
|
|
ptr = s->sc.edge_emu_buffer;
|
|
emu = 1;
|
|
}
|
|
sx = (sx << 2) >> lowres;
|
|
sy = (sy << 2) >> lowres;
|
|
pix_op[op_index](dest_cb, ptr, s->uvlinesize, block_s, sx, sy);
|
|
|
|
ptr = ref_picture[2] + offset;
|
|
if (emu) {
|
|
s->vdsp.emulated_edge_mc(s->sc.edge_emu_buffer, ptr,
|
|
s->uvlinesize, s->uvlinesize,
|
|
9, 9,
|
|
src_x, src_y, h_edge_pos, v_edge_pos);
|
|
ptr = s->sc.edge_emu_buffer;
|
|
}
|
|
pix_op[op_index](dest_cr, ptr, s->uvlinesize, block_s, sx, sy);
|
|
}
|
|
|
|
/**
|
|
* motion compensation of a single macroblock
|
|
* @param s context
|
|
* @param dest_y luma destination pointer
|
|
* @param dest_cb chroma cb/u destination pointer
|
|
* @param dest_cr chroma cr/v destination pointer
|
|
* @param dir direction (0->forward, 1->backward)
|
|
* @param ref_picture array[3] of pointers to the 3 planes of the reference picture
|
|
* @param pix_op halfpel motion compensation function (average or put normally)
|
|
* the motion vectors are taken from s->mv and the MV type from s->mv_type
|
|
*/
|
|
static inline void MPV_motion_lowres(MpegEncContext *s,
|
|
uint8_t *dest_y, uint8_t *dest_cb,
|
|
uint8_t *dest_cr,
|
|
int dir, uint8_t **ref_picture,
|
|
h264_chroma_mc_func *pix_op)
|
|
{
|
|
int mx, my;
|
|
int mb_x, mb_y, i;
|
|
const int lowres = s->avctx->lowres;
|
|
const int block_s = 8 >>lowres;
|
|
|
|
mb_x = s->mb_x;
|
|
mb_y = s->mb_y;
|
|
|
|
switch (s->mv_type) {
|
|
case MV_TYPE_16X16:
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
0, 0, 0,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1],
|
|
2 * block_s, mb_y);
|
|
break;
|
|
case MV_TYPE_8X8:
|
|
mx = 0;
|
|
my = 0;
|
|
for (i = 0; i < 4; i++) {
|
|
hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) *
|
|
s->linesize) * block_s,
|
|
ref_picture[0], 0, 0,
|
|
(2 * mb_x + (i & 1)) * block_s,
|
|
(2 * mb_y + (i >> 1)) * block_s,
|
|
s->width, s->height, s->linesize,
|
|
s->h_edge_pos >> lowres, s->v_edge_pos >> lowres,
|
|
block_s, block_s, pix_op,
|
|
s->mv[dir][i][0], s->mv[dir][i][1]);
|
|
|
|
mx += s->mv[dir][i][0];
|
|
my += s->mv[dir][i][1];
|
|
}
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY))
|
|
chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture,
|
|
pix_op, mx, my);
|
|
break;
|
|
case MV_TYPE_FIELD:
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
/* top field */
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
1, 0, s->field_select[dir][0],
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1],
|
|
block_s, mb_y);
|
|
/* bottom field */
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
1, 1, s->field_select[dir][1],
|
|
ref_picture, pix_op,
|
|
s->mv[dir][1][0], s->mv[dir][1][1],
|
|
block_s, mb_y);
|
|
} else {
|
|
if (s->picture_structure != s->field_select[dir][0] + 1 &&
|
|
s->pict_type != AV_PICTURE_TYPE_B && !s->first_field) {
|
|
ref_picture = s->current_picture_ptr->f->data;
|
|
|
|
}
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
0, 0, s->field_select[dir][0],
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0],
|
|
s->mv[dir][0][1], 2 * block_s, mb_y >> 1);
|
|
}
|
|
break;
|
|
case MV_TYPE_16X8:
|
|
for (i = 0; i < 2; i++) {
|
|
uint8_t **ref2picture;
|
|
|
|
if (s->picture_structure == s->field_select[dir][i] + 1 ||
|
|
s->pict_type == AV_PICTURE_TYPE_B || s->first_field) {
|
|
ref2picture = ref_picture;
|
|
} else {
|
|
ref2picture = s->current_picture_ptr->f->data;
|
|
}
|
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
0, 0, s->field_select[dir][i],
|
|
ref2picture, pix_op,
|
|
s->mv[dir][i][0], s->mv[dir][i][1] +
|
|
2 * block_s * i, block_s, mb_y >> 1);
|
|
|
|
dest_y += 2 * block_s * s->linesize;
|
|
dest_cb += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize;
|
|
dest_cr += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize;
|
|
}
|
|
break;
|
|
case MV_TYPE_DMV:
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
for (i = 0; i < 2; i++) {
|
|
int j;
|
|
for (j = 0; j < 2; j++) {
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
1, j, j ^ i,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][2 * i + j][0],
|
|
s->mv[dir][2 * i + j][1],
|
|
block_s, mb_y);
|
|
}
|
|
pix_op = s->h264chroma.avg_h264_chroma_pixels_tab;
|
|
}
|
|
} else {
|
|
for (i = 0; i < 2; i++) {
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
0, 0, s->picture_structure != i + 1,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][2 * i][0],s->mv[dir][2 * i][1],
|
|
2 * block_s, mb_y >> 1);
|
|
|
|
// after put we make avg of the same block
|
|
pix_op = s->h264chroma.avg_h264_chroma_pixels_tab;
|
|
|
|
// opposite parity is always in the same
|
|
// frame if this is second field
|
|
if (!s->first_field) {
|
|
ref_picture = s->current_picture_ptr->f->data;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
av_assert2(0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* find the lowest MB row referenced in the MVs
|
|
*/
|
|
static int lowest_referenced_row(MpegEncContext *s, int dir)
|
|
{
|
|
int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample;
|
|
int my, off, i, mvs;
|
|
|
|
if (s->picture_structure != PICT_FRAME || s->mcsel)
|
|
goto unhandled;
|
|
|
|
switch (s->mv_type) {
|
|
case MV_TYPE_16X16:
|
|
mvs = 1;
|
|
break;
|
|
case MV_TYPE_16X8:
|
|
mvs = 2;
|
|
break;
|
|
case MV_TYPE_8X8:
|
|
mvs = 4;
|
|
break;
|
|
default:
|
|
goto unhandled;
|
|
}
|
|
|
|
for (i = 0; i < mvs; i++) {
|
|
my = s->mv[dir][i][1];
|
|
my_max = FFMAX(my_max, my);
|
|
my_min = FFMIN(my_min, my);
|
|
}
|
|
|
|
off = ((FFMAX(-my_min, my_max)<<qpel_shift) + 63) >> 6;
|
|
|
|
return av_clip(s->mb_y + off, 0, s->mb_height - 1);
|
|
unhandled:
|
|
return s->mb_height-1;
|
|
}
|
|
|
|
/* put block[] to dest[] */
|
|
static inline void put_dct(MpegEncContext *s,
|
|
int16_t *block, int i, uint8_t *dest, int line_size, int qscale)
|
|
{
|
|
s->dct_unquantize_intra(s, block, i, qscale);
|
|
s->idsp.idct_put(dest, line_size, block);
|
|
}
|
|
|
|
/* add block[] to dest[] */
|
|
static inline void add_dct(MpegEncContext *s,
|
|
int16_t *block, int i, uint8_t *dest, int line_size)
|
|
{
|
|
if (s->block_last_index[i] >= 0) {
|
|
s->idsp.idct_add(dest, line_size, block);
|
|
}
|
|
}
|
|
|
|
static inline void add_dequant_dct(MpegEncContext *s,
|
|
int16_t *block, int i, uint8_t *dest, int line_size, int qscale)
|
|
{
|
|
if (s->block_last_index[i] >= 0) {
|
|
s->dct_unquantize_inter(s, block, i, qscale);
|
|
|
|
s->idsp.idct_add(dest, line_size, block);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clean dc, ac, coded_block for the current non-intra MB.
|
|
*/
|
|
void ff_clean_intra_table_entries(MpegEncContext *s)
|
|
{
|
|
int wrap = s->b8_stride;
|
|
int xy = s->block_index[0];
|
|
|
|
s->dc_val[0][xy ] =
|
|
s->dc_val[0][xy + 1 ] =
|
|
s->dc_val[0][xy + wrap] =
|
|
s->dc_val[0][xy + 1 + wrap] = 1024;
|
|
/* ac pred */
|
|
memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t));
|
|
memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t));
|
|
if (s->msmpeg4_version>=3) {
|
|
s->coded_block[xy ] =
|
|
s->coded_block[xy + 1 ] =
|
|
s->coded_block[xy + wrap] =
|
|
s->coded_block[xy + 1 + wrap] = 0;
|
|
}
|
|
/* chroma */
|
|
wrap = s->mb_stride;
|
|
xy = s->mb_x + s->mb_y * wrap;
|
|
s->dc_val[1][xy] =
|
|
s->dc_val[2][xy] = 1024;
|
|
/* ac pred */
|
|
memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t));
|
|
memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t));
|
|
|
|
s->mbintra_table[xy]= 0;
|
|
}
|
|
|
|
/* generic function called after a macroblock has been parsed by the
|
|
decoder or after it has been encoded by the encoder.
|
|
|
|
Important variables used:
|
|
s->mb_intra : true if intra macroblock
|
|
s->mv_dir : motion vector direction
|
|
s->mv_type : motion vector type
|
|
s->mv : motion vector
|
|
s->interlaced_dct : true if interlaced dct used (mpeg2)
|
|
*/
|
|
static av_always_inline
|
|
void mpv_reconstruct_mb_internal(MpegEncContext *s, int16_t block[12][64],
|
|
int lowres_flag, int is_mpeg12)
|
|
{
|
|
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
|
|
|
|
if (CONFIG_XVMC &&
|
|
s->avctx->hwaccel && s->avctx->hwaccel->decode_mb) {
|
|
s->avctx->hwaccel->decode_mb(s);//xvmc uses pblocks
|
|
return;
|
|
}
|
|
|
|
if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
|
|
/* print DCT coefficients */
|
|
int i,j;
|
|
av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y);
|
|
for(i=0; i<6; i++){
|
|
for(j=0; j<64; j++){
|
|
av_log(s->avctx, AV_LOG_DEBUG, "%5d",
|
|
block[i][s->idsp.idct_permutation[j]]);
|
|
}
|
|
av_log(s->avctx, AV_LOG_DEBUG, "\n");
|
|
}
|
|
}
|
|
|
|
s->current_picture.qscale_table[mb_xy] = s->qscale;
|
|
|
|
/* update DC predictors for P macroblocks */
|
|
if (!s->mb_intra) {
|
|
if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) {
|
|
if(s->mbintra_table[mb_xy])
|
|
ff_clean_intra_table_entries(s);
|
|
} else {
|
|
s->last_dc[0] =
|
|
s->last_dc[1] =
|
|
s->last_dc[2] = 128 << s->intra_dc_precision;
|
|
}
|
|
}
|
|
else if (!is_mpeg12 && (s->h263_pred || s->h263_aic))
|
|
s->mbintra_table[mb_xy]=1;
|
|
|
|
if ((s->avctx->flags & AV_CODEC_FLAG_PSNR) || s->frame_skip_threshold || s->frame_skip_factor ||
|
|
!(s->encoding && (s->intra_only || s->pict_type == AV_PICTURE_TYPE_B) &&
|
|
s->avctx->mb_decision != FF_MB_DECISION_RD)) { // FIXME precalc
|
|
uint8_t *dest_y, *dest_cb, *dest_cr;
|
|
int dct_linesize, dct_offset;
|
|
op_pixels_func (*op_pix)[4];
|
|
qpel_mc_func (*op_qpix)[16];
|
|
const int linesize = s->current_picture.f->linesize[0]; //not s->linesize as this would be wrong for field pics
|
|
const int uvlinesize = s->current_picture.f->linesize[1];
|
|
const int readable= s->pict_type != AV_PICTURE_TYPE_B || s->encoding || s->avctx->draw_horiz_band || lowres_flag;
|
|
const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8;
|
|
|
|
/* avoid copy if macroblock skipped in last frame too */
|
|
/* skip only during decoding as we might trash the buffers during encoding a bit */
|
|
if(!s->encoding){
|
|
uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy];
|
|
|
|
if (s->mb_skipped) {
|
|
s->mb_skipped= 0;
|
|
av_assert2(s->pict_type!=AV_PICTURE_TYPE_I);
|
|
*mbskip_ptr = 1;
|
|
} else if(!s->current_picture.reference) {
|
|
*mbskip_ptr = 1;
|
|
} else{
|
|
*mbskip_ptr = 0; /* not skipped */
|
|
}
|
|
}
|
|
|
|
dct_linesize = linesize << s->interlaced_dct;
|
|
dct_offset = s->interlaced_dct ? linesize : linesize * block_size;
|
|
|
|
if(readable){
|
|
dest_y= s->dest[0];
|
|
dest_cb= s->dest[1];
|
|
dest_cr= s->dest[2];
|
|
}else{
|
|
dest_y = s->sc.b_scratchpad;
|
|
dest_cb= s->sc.b_scratchpad+16*linesize;
|
|
dest_cr= s->sc.b_scratchpad+32*linesize;
|
|
}
|
|
|
|
if (!s->mb_intra) {
|
|
/* motion handling */
|
|
/* decoding or more than one mb_type (MC was already done otherwise) */
|
|
if(!s->encoding){
|
|
|
|
if(HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) {
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
ff_thread_await_progress(&s->last_picture_ptr->tf,
|
|
lowest_referenced_row(s, 0),
|
|
0);
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
ff_thread_await_progress(&s->next_picture_ptr->tf,
|
|
lowest_referenced_row(s, 1),
|
|
0);
|
|
}
|
|
}
|
|
|
|
if(lowres_flag){
|
|
h264_chroma_mc_func *op_pix = s->h264chroma.put_h264_chroma_pixels_tab;
|
|
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f->data, op_pix);
|
|
op_pix = s->h264chroma.avg_h264_chroma_pixels_tab;
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f->data, op_pix);
|
|
}
|
|
}else{
|
|
op_qpix = s->me.qpel_put;
|
|
if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){
|
|
op_pix = s->hdsp.put_pixels_tab;
|
|
}else{
|
|
op_pix = s->hdsp.put_no_rnd_pixels_tab;
|
|
}
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f->data, op_pix, op_qpix);
|
|
op_pix = s->hdsp.avg_pixels_tab;
|
|
op_qpix= s->me.qpel_avg;
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
ff_mpv_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f->data, op_pix, op_qpix);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* skip dequant / idct if we are really late ;) */
|
|
if(s->avctx->skip_idct){
|
|
if( (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B)
|
|
||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I)
|
|
|| s->avctx->skip_idct >= AVDISCARD_ALL)
|
|
goto skip_idct;
|
|
}
|
|
|
|
/* add dct residue */
|
|
if(s->encoding || !( s->msmpeg4_version || s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO
|
|
|| (s->codec_id==AV_CODEC_ID_MPEG4 && !s->mpeg_quant))){
|
|
add_dequant_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale);
|
|
add_dequant_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale);
|
|
add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
|
|
add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
if (s->chroma_y_shift){
|
|
add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
|
|
add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
|
|
}else{
|
|
dct_linesize >>= 1;
|
|
dct_offset >>=1;
|
|
add_dequant_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale);
|
|
add_dequant_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale);
|
|
add_dequant_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale);
|
|
add_dequant_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale);
|
|
}
|
|
}
|
|
} else if(is_mpeg12 || (s->codec_id != AV_CODEC_ID_WMV2)){
|
|
add_dct(s, block[0], 0, dest_y , dct_linesize);
|
|
add_dct(s, block[1], 1, dest_y + block_size, dct_linesize);
|
|
add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize);
|
|
add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize);
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
if(s->chroma_y_shift){//Chroma420
|
|
add_dct(s, block[4], 4, dest_cb, uvlinesize);
|
|
add_dct(s, block[5], 5, dest_cr, uvlinesize);
|
|
}else{
|
|
//chroma422
|
|
dct_linesize = uvlinesize << s->interlaced_dct;
|
|
dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size;
|
|
|
|
add_dct(s, block[4], 4, dest_cb, dct_linesize);
|
|
add_dct(s, block[5], 5, dest_cr, dct_linesize);
|
|
add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize);
|
|
add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize);
|
|
if(!s->chroma_x_shift){//Chroma444
|
|
add_dct(s, block[8], 8, dest_cb+block_size, dct_linesize);
|
|
add_dct(s, block[9], 9, dest_cr+block_size, dct_linesize);
|
|
add_dct(s, block[10], 10, dest_cb+block_size+dct_offset, dct_linesize);
|
|
add_dct(s, block[11], 11, dest_cr+block_size+dct_offset, dct_linesize);
|
|
}
|
|
}
|
|
}//fi gray
|
|
}
|
|
else if (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) {
|
|
ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr);
|
|
}
|
|
} else {
|
|
/* Only MPEG-4 Simple Studio Profile is supported in > 8-bit mode.
|
|
TODO: Integrate 10-bit properly into mpegvideo.c so that ER works properly */
|
|
if (s->avctx->bits_per_raw_sample > 8){
|
|
const int act_block_size = block_size * 2;
|
|
|
|
if(s->dpcm_direction == 0) {
|
|
s->idsp.idct_put(dest_y, dct_linesize, (int16_t*)(*s->block32)[0]);
|
|
s->idsp.idct_put(dest_y + act_block_size, dct_linesize, (int16_t*)(*s->block32)[1]);
|
|
s->idsp.idct_put(dest_y + dct_offset, dct_linesize, (int16_t*)(*s->block32)[2]);
|
|
s->idsp.idct_put(dest_y + dct_offset + act_block_size, dct_linesize, (int16_t*)(*s->block32)[3]);
|
|
|
|
dct_linesize = uvlinesize << s->interlaced_dct;
|
|
dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size;
|
|
|
|
s->idsp.idct_put(dest_cb, dct_linesize, (int16_t*)(*s->block32)[4]);
|
|
s->idsp.idct_put(dest_cr, dct_linesize, (int16_t*)(*s->block32)[5]);
|
|
s->idsp.idct_put(dest_cb + dct_offset, dct_linesize, (int16_t*)(*s->block32)[6]);
|
|
s->idsp.idct_put(dest_cr + dct_offset, dct_linesize, (int16_t*)(*s->block32)[7]);
|
|
if(!s->chroma_x_shift){//Chroma444
|
|
s->idsp.idct_put(dest_cb + act_block_size, dct_linesize, (int16_t*)(*s->block32)[8]);
|
|
s->idsp.idct_put(dest_cr + act_block_size, dct_linesize, (int16_t*)(*s->block32)[9]);
|
|
s->idsp.idct_put(dest_cb + act_block_size + dct_offset, dct_linesize, (int16_t*)(*s->block32)[10]);
|
|
s->idsp.idct_put(dest_cr + act_block_size + dct_offset, dct_linesize, (int16_t*)(*s->block32)[11]);
|
|
}
|
|
} else if(s->dpcm_direction == 1) {
|
|
int i, w, h;
|
|
uint16_t *dest_pcm[3] = {(uint16_t*)dest_y, (uint16_t*)dest_cb, (uint16_t*)dest_cr};
|
|
int linesize[3] = {dct_linesize, uvlinesize, uvlinesize};
|
|
for(i = 0; i < 3; i++) {
|
|
int idx = 0;
|
|
int vsub = i ? s->chroma_y_shift : 0;
|
|
int hsub = i ? s->chroma_x_shift : 0;
|
|
for(h = 0; h < (16 >> vsub); h++){
|
|
for(w = 0; w < (16 >> hsub); w++)
|
|
dest_pcm[i][w] = (*s->dpcm_macroblock)[i][idx++];
|
|
dest_pcm[i] += linesize[i] / 2;
|
|
}
|
|
}
|
|
} else if(s->dpcm_direction == -1) {
|
|
int i, w, h;
|
|
uint16_t *dest_pcm[3] = {(uint16_t*)dest_y, (uint16_t*)dest_cb, (uint16_t*)dest_cr};
|
|
int linesize[3] = {dct_linesize, uvlinesize, uvlinesize};
|
|
for(i = 0; i < 3; i++) {
|
|
int idx = 0;
|
|
int vsub = i ? s->chroma_y_shift : 0;
|
|
int hsub = i ? s->chroma_x_shift : 0;
|
|
dest_pcm[i] += (linesize[i] / 2) * ((16 >> vsub) - 1);
|
|
for(h = (16 >> vsub)-1; h >= 1; h--){
|
|
for(w = (16 >> hsub)-1; w >= 1; w--)
|
|
dest_pcm[i][w] = (*s->dpcm_macroblock)[i][idx++];
|
|
dest_pcm[i] -= linesize[i] / 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/* dct only in intra block */
|
|
else if(s->encoding || !(s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO)){
|
|
put_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale);
|
|
put_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale);
|
|
put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
|
|
put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
if(s->chroma_y_shift){
|
|
put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
|
|
put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
|
|
}else{
|
|
dct_offset >>=1;
|
|
dct_linesize >>=1;
|
|
put_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale);
|
|
put_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale);
|
|
put_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale);
|
|
put_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale);
|
|
}
|
|
}
|
|
}else{
|
|
s->idsp.idct_put(dest_y, dct_linesize, block[0]);
|
|
s->idsp.idct_put(dest_y + block_size, dct_linesize, block[1]);
|
|
s->idsp.idct_put(dest_y + dct_offset, dct_linesize, block[2]);
|
|
s->idsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]);
|
|
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
if(s->chroma_y_shift){
|
|
s->idsp.idct_put(dest_cb, uvlinesize, block[4]);
|
|
s->idsp.idct_put(dest_cr, uvlinesize, block[5]);
|
|
}else{
|
|
|
|
dct_linesize = uvlinesize << s->interlaced_dct;
|
|
dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size;
|
|
|
|
s->idsp.idct_put(dest_cb, dct_linesize, block[4]);
|
|
s->idsp.idct_put(dest_cr, dct_linesize, block[5]);
|
|
s->idsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]);
|
|
s->idsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]);
|
|
if(!s->chroma_x_shift){//Chroma444
|
|
s->idsp.idct_put(dest_cb + block_size, dct_linesize, block[8]);
|
|
s->idsp.idct_put(dest_cr + block_size, dct_linesize, block[9]);
|
|
s->idsp.idct_put(dest_cb + block_size + dct_offset, dct_linesize, block[10]);
|
|
s->idsp.idct_put(dest_cr + block_size + dct_offset, dct_linesize, block[11]);
|
|
}
|
|
}
|
|
}//gray
|
|
}
|
|
}
|
|
skip_idct:
|
|
if(!readable){
|
|
s->hdsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16);
|
|
if (!CONFIG_GRAY || !(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
|
|
s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift);
|
|
s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[2], dest_cr, uvlinesize,16 >> s->chroma_y_shift);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_mpv_reconstruct_mb(MpegEncContext *s, int16_t block[12][64])
|
|
{
|
|
#if !CONFIG_SMALL
|
|
if(s->out_format == FMT_MPEG1) {
|
|
if(s->avctx->lowres) mpv_reconstruct_mb_internal(s, block, 1, 1);
|
|
else mpv_reconstruct_mb_internal(s, block, 0, 1);
|
|
} else
|
|
#endif
|
|
if(s->avctx->lowres) mpv_reconstruct_mb_internal(s, block, 1, 0);
|
|
else mpv_reconstruct_mb_internal(s, block, 0, 0);
|
|
}
|
|
|
|
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
|
|
{
|
|
ff_draw_horiz_band(s->avctx, s->current_picture_ptr->f,
|
|
s->last_picture_ptr ? s->last_picture_ptr->f : NULL, y, h, s->picture_structure,
|
|
s->first_field, s->low_delay);
|
|
}
|
|
|
|
void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
|
|
const int linesize = s->current_picture.f->linesize[0]; //not s->linesize as this would be wrong for field pics
|
|
const int uvlinesize = s->current_picture.f->linesize[1];
|
|
const int width_of_mb = (4 + (s->avctx->bits_per_raw_sample > 8)) - s->avctx->lowres;
|
|
const int height_of_mb = 4 - s->avctx->lowres;
|
|
|
|
s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2;
|
|
s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2;
|
|
s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2;
|
|
s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
|
|
s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
|
|
s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
|
|
//block_index is not used by mpeg2, so it is not affected by chroma_format
|
|
|
|
s->dest[0] = s->current_picture.f->data[0] + (int)((s->mb_x - 1U) << width_of_mb);
|
|
s->dest[1] = s->current_picture.f->data[1] + (int)((s->mb_x - 1U) << (width_of_mb - s->chroma_x_shift));
|
|
s->dest[2] = s->current_picture.f->data[2] + (int)((s->mb_x - 1U) << (width_of_mb - s->chroma_x_shift));
|
|
|
|
if(!(s->pict_type==AV_PICTURE_TYPE_B && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME))
|
|
{
|
|
if(s->picture_structure==PICT_FRAME){
|
|
s->dest[0] += s->mb_y * linesize << height_of_mb;
|
|
s->dest[1] += s->mb_y * uvlinesize << (height_of_mb - s->chroma_y_shift);
|
|
s->dest[2] += s->mb_y * uvlinesize << (height_of_mb - s->chroma_y_shift);
|
|
}else{
|
|
s->dest[0] += (s->mb_y>>1) * linesize << height_of_mb;
|
|
s->dest[1] += (s->mb_y>>1) * uvlinesize << (height_of_mb - s->chroma_y_shift);
|
|
s->dest[2] += (s->mb_y>>1) * uvlinesize << (height_of_mb - s->chroma_y_shift);
|
|
av_assert1((s->mb_y&1) == (s->picture_structure == PICT_BOTTOM_FIELD));
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_mpeg_flush(AVCodecContext *avctx){
|
|
int i;
|
|
MpegEncContext *s = avctx->priv_data;
|
|
|
|
if (!s || !s->picture)
|
|
return;
|
|
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++)
|
|
ff_mpeg_unref_picture(s->avctx, &s->picture[i]);
|
|
s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL;
|
|
|
|
ff_mpeg_unref_picture(s->avctx, &s->current_picture);
|
|
ff_mpeg_unref_picture(s->avctx, &s->last_picture);
|
|
ff_mpeg_unref_picture(s->avctx, &s->next_picture);
|
|
|
|
s->mb_x= s->mb_y= 0;
|
|
s->closed_gop= 0;
|
|
|
|
s->parse_context.state= -1;
|
|
s->parse_context.frame_start_found= 0;
|
|
s->parse_context.overread= 0;
|
|
s->parse_context.overread_index= 0;
|
|
s->parse_context.index= 0;
|
|
s->parse_context.last_index= 0;
|
|
s->bitstream_buffer_size=0;
|
|
s->pp_time=0;
|
|
}
|
|
|
|
/**
|
|
* set qscale and update qscale dependent variables.
|
|
*/
|
|
void ff_set_qscale(MpegEncContext * s, int qscale)
|
|
{
|
|
if (qscale < 1)
|
|
qscale = 1;
|
|
else if (qscale > 31)
|
|
qscale = 31;
|
|
|
|
s->qscale = qscale;
|
|
s->chroma_qscale= s->chroma_qscale_table[qscale];
|
|
|
|
s->y_dc_scale= s->y_dc_scale_table[ qscale ];
|
|
s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ];
|
|
}
|
|
|
|
void ff_mpv_report_decode_progress(MpegEncContext *s)
|
|
{
|
|
if (s->pict_type != AV_PICTURE_TYPE_B && !s->partitioned_frame && !s->er.error_occurred)
|
|
ff_thread_report_progress(&s->current_picture_ptr->tf, s->mb_y, 0);
|
|
}
|