forked from KolibriOS/kolibrios
3354 lines
122 KiB
C
3354 lines
122 KiB
C
/*
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* The simplest mpeg encoder (well, it was the simplest!)
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* Copyright (c) 2000,2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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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 "avcodec.h"
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#include "dsputil.h"
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#include "h264chroma.h"
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#include "internal.h"
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#include "mathops.h"
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#include "mpegvideo.h"
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#include "mjpegenc.h"
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#include "msmpeg4.h"
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#include "xvmc_internal.h"
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#include "thread.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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static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s,
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int16_t *block, int n, int qscale);
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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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static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s,
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int16_t *block, int n, int qscale);
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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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static void dct_unquantize_h263_intra_c(MpegEncContext *s,
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int16_t *block, int n, int qscale);
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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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static const uint8_t ff_default_chroma_qscale_table[32] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
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};
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const uint8_t ff_mpeg1_dc_scale_table[128] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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};
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static const uint8_t mpeg2_dc_scale_table1[128] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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};
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static const uint8_t mpeg2_dc_scale_table2[128] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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};
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static const uint8_t mpeg2_dc_scale_table3[128] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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};
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const uint8_t *const ff_mpeg2_dc_scale_table[4] = {
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ff_mpeg1_dc_scale_table,
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mpeg2_dc_scale_table1,
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mpeg2_dc_scale_table2,
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mpeg2_dc_scale_table3,
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};
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const enum AVPixelFormat ff_pixfmt_list_420[] = {
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AV_PIX_FMT_YUV420P,
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AV_PIX_FMT_NONE
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};
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static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
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int (*mv)[2][4][2],
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int mb_x, int mb_y, int mb_intra, int mb_skipped)
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{
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MpegEncContext *s = opaque;
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s->mv_dir = mv_dir;
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s->mv_type = mv_type;
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s->mb_intra = mb_intra;
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s->mb_skipped = mb_skipped;
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s->mb_x = mb_x;
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s->mb_y = mb_y;
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memcpy(s->mv, mv, sizeof(*mv));
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ff_init_block_index(s);
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ff_update_block_index(s);
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s->dsp.clear_blocks(s->block[0]);
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s->dest[0] = s->current_picture.f.data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16;
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s->dest[1] = s->current_picture.f.data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
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s->dest[2] = s->current_picture.f.data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
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if (ref)
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av_log(s->avctx, AV_LOG_DEBUG, "Interlaced error concealment is not fully implemented\n");
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ff_MPV_decode_mb(s, s->block);
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}
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/* init common dct for both encoder and decoder */
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av_cold int ff_dct_common_init(MpegEncContext *s)
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{
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ff_dsputil_init(&s->dsp, 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_videodsp_init(&s->vdsp, s->avctx->bits_per_raw_sample);
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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->flags & 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 (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_BFIN)
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ff_MPV_common_init_bfin(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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/* 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->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan);
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan);
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} else {
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ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct);
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct);
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}
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan);
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ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan);
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return 0;
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}
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int ff_mpv_frame_size_alloc(MpegEncContext *s, int linesize)
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{
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int alloc_size = FFALIGN(FFABS(linesize) + 64, 32);
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// edge emu needs blocksize + filter length - 1
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// (= 17x17 for halfpel / 21x21 for h264)
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// VC1 computes luma and chroma simultaneously and needs 19X19 + 9x9
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// at uvlinesize. It supports only YUV420 so 24x24 is enough
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// linesize * interlaced * MBsize
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FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, alloc_size * 4 * 24,
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fail);
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FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, alloc_size * 4 * 16 * 2,
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fail)
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s->me.temp = s->me.scratchpad;
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s->rd_scratchpad = s->me.scratchpad;
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s->b_scratchpad = s->me.scratchpad;
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s->obmc_scratchpad = s->me.scratchpad + 16;
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return 0;
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fail:
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av_freep(&s->edge_emu_buffer);
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return AVERROR(ENOMEM);
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}
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/**
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* Allocate a frame buffer
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*/
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static int alloc_frame_buffer(MpegEncContext *s, Picture *pic)
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{
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int r, ret;
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pic->tf.f = &pic->f;
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if (s->codec_id != AV_CODEC_ID_WMV3IMAGE &&
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s->codec_id != AV_CODEC_ID_VC1IMAGE &&
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s->codec_id != AV_CODEC_ID_MSS2)
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r = ff_thread_get_buffer(s->avctx, &pic->tf,
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pic->reference ? AV_GET_BUFFER_FLAG_REF : 0);
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else {
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pic->f.width = s->avctx->width;
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pic->f.height = s->avctx->height;
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pic->f.format = s->avctx->pix_fmt;
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r = avcodec_default_get_buffer2(s->avctx, &pic->f, 0);
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}
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if (r < 0 || !pic->f.data[0]) {
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av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %p)\n",
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r, pic->f.data[0]);
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return -1;
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}
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if (s->avctx->hwaccel) {
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assert(!pic->hwaccel_picture_private);
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if (s->avctx->hwaccel->priv_data_size) {
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pic->hwaccel_priv_buf = av_buffer_allocz(s->avctx->hwaccel->priv_data_size);
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if (!pic->hwaccel_priv_buf) {
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av_log(s->avctx, AV_LOG_ERROR, "alloc_frame_buffer() failed (hwaccel private data allocation)\n");
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return -1;
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}
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pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data;
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}
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}
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if (s->linesize && (s->linesize != pic->f.linesize[0] ||
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s->uvlinesize != pic->f.linesize[1])) {
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av_log(s->avctx, AV_LOG_ERROR,
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"get_buffer() failed (stride changed)\n");
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ff_mpeg_unref_picture(s, pic);
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return -1;
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}
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if (pic->f.linesize[1] != pic->f.linesize[2]) {
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av_log(s->avctx, AV_LOG_ERROR,
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"get_buffer() failed (uv stride mismatch)\n");
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ff_mpeg_unref_picture(s, pic);
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return -1;
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}
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if (!s->edge_emu_buffer &&
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(ret = ff_mpv_frame_size_alloc(s, pic->f.linesize[0])) < 0) {
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av_log(s->avctx, AV_LOG_ERROR,
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"get_buffer() failed to allocate context scratch buffers.\n");
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ff_mpeg_unref_picture(s, pic);
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return ret;
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}
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return 0;
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}
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static void free_picture_tables(Picture *pic)
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{
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int i;
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pic->alloc_mb_width =
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pic->alloc_mb_height = 0;
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av_buffer_unref(&pic->mb_var_buf);
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av_buffer_unref(&pic->mc_mb_var_buf);
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av_buffer_unref(&pic->mb_mean_buf);
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av_buffer_unref(&pic->mbskip_table_buf);
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av_buffer_unref(&pic->qscale_table_buf);
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av_buffer_unref(&pic->mb_type_buf);
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for (i = 0; i < 2; i++) {
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av_buffer_unref(&pic->motion_val_buf[i]);
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av_buffer_unref(&pic->ref_index_buf[i]);
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}
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}
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static int alloc_picture_tables(MpegEncContext *s, Picture *pic)
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{
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const int big_mb_num = s->mb_stride * (s->mb_height + 1) + 1;
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const int mb_array_size = s->mb_stride * s->mb_height;
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const int b8_array_size = s->b8_stride * s->mb_height * 2;
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int i;
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pic->mbskip_table_buf = av_buffer_allocz(mb_array_size + 2);
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pic->qscale_table_buf = av_buffer_allocz(big_mb_num + s->mb_stride);
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pic->mb_type_buf = av_buffer_allocz((big_mb_num + s->mb_stride) *
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sizeof(uint32_t));
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if (!pic->mbskip_table_buf || !pic->qscale_table_buf || !pic->mb_type_buf)
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return AVERROR(ENOMEM);
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if (s->encoding) {
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pic->mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t));
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pic->mc_mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t));
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pic->mb_mean_buf = av_buffer_allocz(mb_array_size);
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if (!pic->mb_var_buf || !pic->mc_mb_var_buf || !pic->mb_mean_buf)
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return AVERROR(ENOMEM);
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}
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if (s->out_format == FMT_H263 || s->encoding ||
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(s->avctx->debug & FF_DEBUG_MV) || s->avctx->debug_mv) {
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int mv_size = 2 * (b8_array_size + 4) * sizeof(int16_t);
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int ref_index_size = 4 * mb_array_size;
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for (i = 0; mv_size && i < 2; i++) {
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pic->motion_val_buf[i] = av_buffer_allocz(mv_size);
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pic->ref_index_buf[i] = av_buffer_allocz(ref_index_size);
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if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i])
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return AVERROR(ENOMEM);
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}
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}
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pic->alloc_mb_width = s->mb_width;
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pic->alloc_mb_height = s->mb_height;
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return 0;
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}
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static int make_tables_writable(Picture *pic)
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{
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int ret, i;
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#define MAKE_WRITABLE(table) \
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do {\
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if (pic->table &&\
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(ret = av_buffer_make_writable(&pic->table)) < 0)\
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return ret;\
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} while (0)
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MAKE_WRITABLE(mb_var_buf);
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MAKE_WRITABLE(mc_mb_var_buf);
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MAKE_WRITABLE(mb_mean_buf);
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MAKE_WRITABLE(mbskip_table_buf);
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MAKE_WRITABLE(qscale_table_buf);
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MAKE_WRITABLE(mb_type_buf);
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for (i = 0; i < 2; i++) {
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MAKE_WRITABLE(motion_val_buf[i]);
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MAKE_WRITABLE(ref_index_buf[i]);
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}
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return 0;
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}
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/**
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* Allocate a Picture.
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* The pixels are allocated/set by calling get_buffer() if shared = 0
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*/
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int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared)
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{
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int i, ret;
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if (pic->qscale_table_buf)
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if ( pic->alloc_mb_width != s->mb_width
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|| pic->alloc_mb_height != s->mb_height)
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free_picture_tables(pic);
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if (shared) {
|
|
av_assert0(pic->f.data[0]);
|
|
pic->shared = 1;
|
|
} else {
|
|
av_assert0(!pic->f.data[0]);
|
|
|
|
if (alloc_frame_buffer(s, pic) < 0)
|
|
return -1;
|
|
|
|
s->linesize = pic->f.linesize[0];
|
|
s->uvlinesize = pic->f.linesize[1];
|
|
}
|
|
|
|
if (!pic->qscale_table_buf)
|
|
ret = alloc_picture_tables(s, pic);
|
|
else
|
|
ret = make_tables_writable(pic);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
if (s->encoding) {
|
|
pic->mb_var = (uint16_t*)pic->mb_var_buf->data;
|
|
pic->mc_mb_var = (uint16_t*)pic->mc_mb_var_buf->data;
|
|
pic->mb_mean = pic->mb_mean_buf->data;
|
|
}
|
|
|
|
pic->mbskip_table = pic->mbskip_table_buf->data;
|
|
pic->qscale_table = pic->qscale_table_buf->data + 2 * s->mb_stride + 1;
|
|
pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * s->mb_stride + 1;
|
|
|
|
if (pic->motion_val_buf[0]) {
|
|
for (i = 0; i < 2; i++) {
|
|
pic->motion_val[i] = (int16_t (*)[2])pic->motion_val_buf[i]->data + 4;
|
|
pic->ref_index[i] = pic->ref_index_buf[i]->data;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
av_log(s->avctx, AV_LOG_ERROR, "Error allocating a picture.\n");
|
|
ff_mpeg_unref_picture(s, pic);
|
|
free_picture_tables(pic);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
/**
|
|
* Deallocate a picture.
|
|
*/
|
|
void ff_mpeg_unref_picture(MpegEncContext *s, Picture *pic)
|
|
{
|
|
int off = offsetof(Picture, mb_mean) + sizeof(pic->mb_mean);
|
|
|
|
pic->tf.f = &pic->f;
|
|
/* WM Image / Screen codecs allocate internal buffers with different
|
|
* dimensions / colorspaces; ignore user-defined callbacks for these. */
|
|
if (s->codec_id != AV_CODEC_ID_WMV3IMAGE &&
|
|
s->codec_id != AV_CODEC_ID_VC1IMAGE &&
|
|
s->codec_id != AV_CODEC_ID_MSS2)
|
|
ff_thread_release_buffer(s->avctx, &pic->tf);
|
|
else
|
|
av_frame_unref(&pic->f);
|
|
|
|
av_buffer_unref(&pic->hwaccel_priv_buf);
|
|
|
|
if (pic->needs_realloc)
|
|
free_picture_tables(pic);
|
|
|
|
memset((uint8_t*)pic + off, 0, sizeof(*pic) - off);
|
|
}
|
|
|
|
static int update_picture_tables(Picture *dst, Picture *src)
|
|
{
|
|
int i;
|
|
|
|
#define UPDATE_TABLE(table)\
|
|
do {\
|
|
if (src->table &&\
|
|
(!dst->table || dst->table->buffer != src->table->buffer)) {\
|
|
av_buffer_unref(&dst->table);\
|
|
dst->table = av_buffer_ref(src->table);\
|
|
if (!dst->table) {\
|
|
free_picture_tables(dst);\
|
|
return AVERROR(ENOMEM);\
|
|
}\
|
|
}\
|
|
} while (0)
|
|
|
|
UPDATE_TABLE(mb_var_buf);
|
|
UPDATE_TABLE(mc_mb_var_buf);
|
|
UPDATE_TABLE(mb_mean_buf);
|
|
UPDATE_TABLE(mbskip_table_buf);
|
|
UPDATE_TABLE(qscale_table_buf);
|
|
UPDATE_TABLE(mb_type_buf);
|
|
for (i = 0; i < 2; i++) {
|
|
UPDATE_TABLE(motion_val_buf[i]);
|
|
UPDATE_TABLE(ref_index_buf[i]);
|
|
}
|
|
|
|
dst->mb_var = src->mb_var;
|
|
dst->mc_mb_var = src->mc_mb_var;
|
|
dst->mb_mean = src->mb_mean;
|
|
dst->mbskip_table = src->mbskip_table;
|
|
dst->qscale_table = src->qscale_table;
|
|
dst->mb_type = src->mb_type;
|
|
for (i = 0; i < 2; i++) {
|
|
dst->motion_val[i] = src->motion_val[i];
|
|
dst->ref_index[i] = src->ref_index[i];
|
|
}
|
|
|
|
dst->alloc_mb_width = src->alloc_mb_width;
|
|
dst->alloc_mb_height = src->alloc_mb_height;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_mpeg_ref_picture(MpegEncContext *s, Picture *dst, Picture *src)
|
|
{
|
|
int ret;
|
|
|
|
av_assert0(!dst->f.buf[0]);
|
|
av_assert0(src->f.buf[0]);
|
|
|
|
src->tf.f = &src->f;
|
|
dst->tf.f = &dst->f;
|
|
ret = ff_thread_ref_frame(&dst->tf, &src->tf);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
ret = update_picture_tables(dst, src);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
if (src->hwaccel_picture_private) {
|
|
dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
|
|
if (!dst->hwaccel_priv_buf)
|
|
goto fail;
|
|
dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
|
|
}
|
|
|
|
dst->field_picture = src->field_picture;
|
|
dst->mb_var_sum = src->mb_var_sum;
|
|
dst->mc_mb_var_sum = src->mc_mb_var_sum;
|
|
dst->b_frame_score = src->b_frame_score;
|
|
dst->needs_realloc = src->needs_realloc;
|
|
dst->reference = src->reference;
|
|
dst->shared = src->shared;
|
|
|
|
return 0;
|
|
fail:
|
|
ff_mpeg_unref_picture(s, dst);
|
|
return ret;
|
|
}
|
|
|
|
static void exchange_uv(MpegEncContext *s)
|
|
{
|
|
int16_t (*tmp)[64];
|
|
|
|
tmp = s->pblocks[4];
|
|
s->pblocks[4] = s->pblocks[5];
|
|
s->pblocks[5] = tmp;
|
|
}
|
|
|
|
static int init_duplicate_context(MpegEncContext *s)
|
|
{
|
|
int y_size = s->b8_stride * (2 * s->mb_height + 1);
|
|
int c_size = s->mb_stride * (s->mb_height + 1);
|
|
int yc_size = y_size + 2 * c_size;
|
|
int i;
|
|
|
|
s->edge_emu_buffer =
|
|
s->me.scratchpad =
|
|
s->me.temp =
|
|
s->rd_scratchpad =
|
|
s->b_scratchpad =
|
|
s->obmc_scratchpad = NULL;
|
|
|
|
if (s->encoding) {
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->me.map,
|
|
ME_MAP_SIZE * sizeof(uint32_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->me.score_map,
|
|
ME_MAP_SIZE * sizeof(uint32_t), fail)
|
|
if (s->avctx->noise_reduction) {
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_error_sum,
|
|
2 * 64 * sizeof(int), fail)
|
|
}
|
|
}
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->blocks, 64 * 12 * 2 * sizeof(int16_t), fail)
|
|
s->block = s->blocks[0];
|
|
|
|
for (i = 0; i < 12; i++) {
|
|
s->pblocks[i] = &s->block[i];
|
|
}
|
|
if (s->avctx->codec_tag == AV_RL32("VCR2"))
|
|
exchange_uv(s);
|
|
|
|
if (s->out_format == FMT_H263) {
|
|
/* ac values */
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_val_base,
|
|
yc_size * sizeof(int16_t) * 16, fail);
|
|
s->ac_val[0] = s->ac_val_base + s->b8_stride + 1;
|
|
s->ac_val[1] = s->ac_val_base + y_size + s->mb_stride + 1;
|
|
s->ac_val[2] = s->ac_val[1] + c_size;
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
return -1; // free() through ff_MPV_common_end()
|
|
}
|
|
|
|
static void free_duplicate_context(MpegEncContext *s)
|
|
{
|
|
if (s == NULL)
|
|
return;
|
|
|
|
av_freep(&s->edge_emu_buffer);
|
|
av_freep(&s->me.scratchpad);
|
|
s->me.temp =
|
|
s->rd_scratchpad =
|
|
s->b_scratchpad =
|
|
s->obmc_scratchpad = NULL;
|
|
|
|
av_freep(&s->dct_error_sum);
|
|
av_freep(&s->me.map);
|
|
av_freep(&s->me.score_map);
|
|
av_freep(&s->blocks);
|
|
av_freep(&s->ac_val_base);
|
|
s->block = NULL;
|
|
}
|
|
|
|
static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src)
|
|
{
|
|
#define COPY(a) bak->a = src->a
|
|
COPY(edge_emu_buffer);
|
|
COPY(me.scratchpad);
|
|
COPY(me.temp);
|
|
COPY(rd_scratchpad);
|
|
COPY(b_scratchpad);
|
|
COPY(obmc_scratchpad);
|
|
COPY(me.map);
|
|
COPY(me.score_map);
|
|
COPY(blocks);
|
|
COPY(block);
|
|
COPY(start_mb_y);
|
|
COPY(end_mb_y);
|
|
COPY(me.map_generation);
|
|
COPY(pb);
|
|
COPY(dct_error_sum);
|
|
COPY(dct_count[0]);
|
|
COPY(dct_count[1]);
|
|
COPY(ac_val_base);
|
|
COPY(ac_val[0]);
|
|
COPY(ac_val[1]);
|
|
COPY(ac_val[2]);
|
|
#undef COPY
|
|
}
|
|
|
|
int ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src)
|
|
{
|
|
MpegEncContext bak;
|
|
int i, ret;
|
|
// FIXME copy only needed parts
|
|
// START_TIMER
|
|
backup_duplicate_context(&bak, dst);
|
|
memcpy(dst, src, sizeof(MpegEncContext));
|
|
backup_duplicate_context(dst, &bak);
|
|
for (i = 0; i < 12; i++) {
|
|
dst->pblocks[i] = &dst->block[i];
|
|
}
|
|
if (dst->avctx->codec_tag == AV_RL32("VCR2"))
|
|
exchange_uv(dst);
|
|
if (!dst->edge_emu_buffer &&
|
|
(ret = ff_mpv_frame_size_alloc(dst, dst->linesize)) < 0) {
|
|
av_log(dst->avctx, AV_LOG_ERROR, "failed to allocate context "
|
|
"scratch buffers.\n");
|
|
return ret;
|
|
}
|
|
// STOP_TIMER("update_duplicate_context")
|
|
// about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads
|
|
return 0;
|
|
}
|
|
|
|
int ff_mpeg_update_thread_context(AVCodecContext *dst,
|
|
const AVCodecContext *src)
|
|
{
|
|
int i, ret;
|
|
MpegEncContext *s = dst->priv_data, *s1 = src->priv_data;
|
|
|
|
if (dst == src)
|
|
return 0;
|
|
|
|
av_assert0(s != s1);
|
|
|
|
// FIXME can parameters change on I-frames?
|
|
// in that case dst may need a reinit
|
|
if (!s->context_initialized) {
|
|
memcpy(s, s1, sizeof(MpegEncContext));
|
|
|
|
s->avctx = dst;
|
|
s->bitstream_buffer = NULL;
|
|
s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0;
|
|
|
|
if (s1->context_initialized){
|
|
// s->picture_range_start += MAX_PICTURE_COUNT;
|
|
// s->picture_range_end += MAX_PICTURE_COUNT;
|
|
if((ret = ff_MPV_common_init(s)) < 0){
|
|
memset(s, 0, sizeof(MpegEncContext));
|
|
s->avctx = dst;
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (s->height != s1->height || s->width != s1->width || s->context_reinit) {
|
|
s->context_reinit = 0;
|
|
s->height = s1->height;
|
|
s->width = s1->width;
|
|
if ((ret = ff_MPV_common_frame_size_change(s)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
s->avctx->coded_height = s1->avctx->coded_height;
|
|
s->avctx->coded_width = s1->avctx->coded_width;
|
|
s->avctx->width = s1->avctx->width;
|
|
s->avctx->height = s1->avctx->height;
|
|
|
|
s->coded_picture_number = s1->coded_picture_number;
|
|
s->picture_number = s1->picture_number;
|
|
s->input_picture_number = s1->input_picture_number;
|
|
|
|
av_assert0(!s->picture || s->picture != s1->picture);
|
|
if(s->picture)
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
ff_mpeg_unref_picture(s, &s->picture[i]);
|
|
if (s1->picture[i].f.data[0] &&
|
|
(ret = ff_mpeg_ref_picture(s, &s->picture[i], &s1->picture[i])) < 0)
|
|
return ret;
|
|
}
|
|
|
|
#define UPDATE_PICTURE(pic)\
|
|
do {\
|
|
ff_mpeg_unref_picture(s, &s->pic);\
|
|
if (s1->pic.f.data[0])\
|
|
ret = ff_mpeg_ref_picture(s, &s->pic, &s1->pic);\
|
|
else\
|
|
ret = update_picture_tables(&s->pic, &s1->pic);\
|
|
if (ret < 0)\
|
|
return ret;\
|
|
} while (0)
|
|
|
|
UPDATE_PICTURE(current_picture);
|
|
UPDATE_PICTURE(last_picture);
|
|
UPDATE_PICTURE(next_picture);
|
|
|
|
s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1);
|
|
s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1);
|
|
s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1);
|
|
|
|
// Error/bug resilience
|
|
s->next_p_frame_damaged = s1->next_p_frame_damaged;
|
|
s->workaround_bugs = s1->workaround_bugs;
|
|
s->padding_bug_score = s1->padding_bug_score;
|
|
|
|
// MPEG4 timing info
|
|
memcpy(&s->time_increment_bits, &s1->time_increment_bits,
|
|
(char *) &s1->shape - (char *) &s1->time_increment_bits);
|
|
|
|
// B-frame info
|
|
s->max_b_frames = s1->max_b_frames;
|
|
s->low_delay = s1->low_delay;
|
|
s->droppable = s1->droppable;
|
|
|
|
// DivX handling (doesn't work)
|
|
s->divx_packed = s1->divx_packed;
|
|
|
|
if (s1->bitstream_buffer) {
|
|
if (s1->bitstream_buffer_size +
|
|
FF_INPUT_BUFFER_PADDING_SIZE > s->allocated_bitstream_buffer_size)
|
|
av_fast_malloc(&s->bitstream_buffer,
|
|
&s->allocated_bitstream_buffer_size,
|
|
s1->allocated_bitstream_buffer_size);
|
|
s->bitstream_buffer_size = s1->bitstream_buffer_size;
|
|
memcpy(s->bitstream_buffer, s1->bitstream_buffer,
|
|
s1->bitstream_buffer_size);
|
|
memset(s->bitstream_buffer + s->bitstream_buffer_size, 0,
|
|
FF_INPUT_BUFFER_PADDING_SIZE);
|
|
}
|
|
|
|
// linesize dependend scratch buffer allocation
|
|
if (!s->edge_emu_buffer)
|
|
if (s1->linesize) {
|
|
if (ff_mpv_frame_size_alloc(s, s1->linesize) < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Failed to allocate context "
|
|
"scratch buffers.\n");
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
} else {
|
|
av_log(s->avctx, AV_LOG_ERROR, "Context scratch buffers could not "
|
|
"be allocated due to unknown size.\n");
|
|
}
|
|
|
|
// MPEG2/interlacing info
|
|
memcpy(&s->progressive_sequence, &s1->progressive_sequence,
|
|
(char *) &s1->rtp_mode - (char *) &s1->progressive_sequence);
|
|
|
|
if (!s1->first_field) {
|
|
s->last_pict_type = s1->pict_type;
|
|
if (s1->current_picture_ptr)
|
|
s->last_lambda_for[s1->pict_type] = s1->current_picture_ptr->f.quality;
|
|
|
|
if (s1->pict_type != AV_PICTURE_TYPE_B) {
|
|
s->last_non_b_pict_type = s1->pict_type;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Set the given MpegEncContext to common defaults
|
|
* (same for encoding and decoding).
|
|
* The changed fields will not depend upon the
|
|
* prior state of the MpegEncContext.
|
|
*/
|
|
void ff_MPV_common_defaults(MpegEncContext *s)
|
|
{
|
|
s->y_dc_scale_table =
|
|
s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
|
|
s->chroma_qscale_table = ff_default_chroma_qscale_table;
|
|
s->progressive_frame = 1;
|
|
s->progressive_sequence = 1;
|
|
s->picture_structure = PICT_FRAME;
|
|
|
|
s->coded_picture_number = 0;
|
|
s->picture_number = 0;
|
|
s->input_picture_number = 0;
|
|
|
|
s->picture_in_gop_number = 0;
|
|
|
|
s->f_code = 1;
|
|
s->b_code = 1;
|
|
|
|
s->slice_context_count = 1;
|
|
}
|
|
|
|
/**
|
|
* Set the given MpegEncContext to defaults for decoding.
|
|
* the changed fields will not depend upon
|
|
* the prior state of the MpegEncContext.
|
|
*/
|
|
void ff_MPV_decode_defaults(MpegEncContext *s)
|
|
{
|
|
ff_MPV_common_defaults(s);
|
|
}
|
|
|
|
static int init_er(MpegEncContext *s)
|
|
{
|
|
ERContext *er = &s->er;
|
|
int mb_array_size = s->mb_height * s->mb_stride;
|
|
int i;
|
|
|
|
er->avctx = s->avctx;
|
|
er->dsp = &s->dsp;
|
|
|
|
er->mb_index2xy = s->mb_index2xy;
|
|
er->mb_num = s->mb_num;
|
|
er->mb_width = s->mb_width;
|
|
er->mb_height = s->mb_height;
|
|
er->mb_stride = s->mb_stride;
|
|
er->b8_stride = s->b8_stride;
|
|
|
|
er->er_temp_buffer = av_malloc(s->mb_height * s->mb_stride);
|
|
er->error_status_table = av_mallocz(mb_array_size);
|
|
if (!er->er_temp_buffer || !er->error_status_table)
|
|
goto fail;
|
|
|
|
er->mbskip_table = s->mbskip_table;
|
|
er->mbintra_table = s->mbintra_table;
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->dc_val); i++)
|
|
er->dc_val[i] = s->dc_val[i];
|
|
|
|
er->decode_mb = mpeg_er_decode_mb;
|
|
er->opaque = s;
|
|
|
|
return 0;
|
|
fail:
|
|
av_freep(&er->er_temp_buffer);
|
|
av_freep(&er->error_status_table);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
/**
|
|
* Initialize and allocates MpegEncContext fields dependent on the resolution.
|
|
*/
|
|
static int init_context_frame(MpegEncContext *s)
|
|
{
|
|
int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y;
|
|
|
|
s->mb_width = (s->width + 15) / 16;
|
|
s->mb_stride = s->mb_width + 1;
|
|
s->b8_stride = s->mb_width * 2 + 1;
|
|
s->b4_stride = s->mb_width * 4 + 1;
|
|
mb_array_size = s->mb_height * s->mb_stride;
|
|
mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
|
|
|
|
/* set default edge pos, will be overriden
|
|
* in decode_header if needed */
|
|
s->h_edge_pos = s->mb_width * 16;
|
|
s->v_edge_pos = s->mb_height * 16;
|
|
|
|
s->mb_num = s->mb_width * s->mb_height;
|
|
|
|
s->block_wrap[0] =
|
|
s->block_wrap[1] =
|
|
s->block_wrap[2] =
|
|
s->block_wrap[3] = s->b8_stride;
|
|
s->block_wrap[4] =
|
|
s->block_wrap[5] = s->mb_stride;
|
|
|
|
y_size = s->b8_stride * (2 * s->mb_height + 1);
|
|
c_size = s->mb_stride * (s->mb_height + 1);
|
|
yc_size = y_size + 2 * c_size;
|
|
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int), fail); // error ressilience code looks cleaner with this
|
|
for (y = 0; y < s->mb_height; y++)
|
|
for (x = 0; x < s->mb_width; x++)
|
|
s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;
|
|
|
|
s->mb_index2xy[s->mb_height * s->mb_width] = (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed?
|
|
|
|
if (s->encoding) {
|
|
/* Allocate MV tables */
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base, mv_table_size * 2 * sizeof(int16_t), fail)
|
|
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
|
|
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
|
|
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
|
|
s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
|
|
s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base + s->mb_stride + 1;
|
|
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
|
|
|
|
/* Allocate MB type table */
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size * sizeof(uint16_t), fail) // needed for encoding
|
|
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail)
|
|
|
|
FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab,
|
|
mb_array_size * sizeof(float), fail);
|
|
FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab,
|
|
mb_array_size * sizeof(float), fail);
|
|
|
|
}
|
|
|
|
if (s->codec_id == AV_CODEC_ID_MPEG4 ||
|
|
(s->flags & CODEC_FLAG_INTERLACED_ME)) {
|
|
/* interlaced direct mode decoding tables */
|
|
for (i = 0; i < 2; i++) {
|
|
int j, k;
|
|
for (j = 0; j < 2; j++) {
|
|
for (k = 0; k < 2; k++) {
|
|
FF_ALLOCZ_OR_GOTO(s->avctx,
|
|
s->b_field_mv_table_base[i][j][k],
|
|
mv_table_size * 2 * sizeof(int16_t),
|
|
fail);
|
|
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +
|
|
s->mb_stride + 1;
|
|
}
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j], mb_array_size * 2 * sizeof(uint8_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j], mv_table_size * 2 * sizeof(int16_t), fail)
|
|
s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1;
|
|
}
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i], mb_array_size * 2 * sizeof(uint8_t), fail)
|
|
}
|
|
}
|
|
if (s->out_format == FMT_H263) {
|
|
/* cbp values */
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail);
|
|
s->coded_block = s->coded_block_base + s->b8_stride + 1;
|
|
|
|
/* cbp, ac_pred, pred_dir */
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail);
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail);
|
|
}
|
|
|
|
if (s->h263_pred || s->h263_plus || !s->encoding) {
|
|
/* dc values */
|
|
// MN: we need these for error resilience of intra-frames
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail);
|
|
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
|
|
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
|
|
s->dc_val[2] = s->dc_val[1] + c_size;
|
|
for (i = 0; i < yc_size; i++)
|
|
s->dc_val_base[i] = 1024;
|
|
}
|
|
|
|
/* which mb is a intra block */
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail);
|
|
memset(s->mbintra_table, 1, mb_array_size);
|
|
|
|
/* init macroblock skip table */
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
|
|
// Note the + 1 is for a quicker mpeg4 slice_end detection
|
|
|
|
return init_er(s);
|
|
fail:
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
/**
|
|
* init common structure for both encoder and decoder.
|
|
* this assumes that some variables like width/height are already set
|
|
*/
|
|
av_cold int ff_MPV_common_init(MpegEncContext *s)
|
|
{
|
|
int i;
|
|
int nb_slices = (HAVE_THREADS &&
|
|
s->avctx->active_thread_type & FF_THREAD_SLICE) ?
|
|
s->avctx->thread_count : 1;
|
|
|
|
if (s->encoding && s->avctx->slices)
|
|
nb_slices = s->avctx->slices;
|
|
|
|
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
|
|
s->mb_height = (s->height + 31) / 32 * 2;
|
|
else
|
|
s->mb_height = (s->height + 15) / 16;
|
|
|
|
if (s->avctx->pix_fmt == AV_PIX_FMT_NONE) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"decoding to AV_PIX_FMT_NONE is not supported.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (nb_slices > MAX_THREADS || (nb_slices > s->mb_height && s->mb_height)) {
|
|
int max_slices;
|
|
if (s->mb_height)
|
|
max_slices = FFMIN(MAX_THREADS, s->mb_height);
|
|
else
|
|
max_slices = MAX_THREADS;
|
|
av_log(s->avctx, AV_LOG_WARNING, "too many threads/slices (%d),"
|
|
" reducing to %d\n", nb_slices, max_slices);
|
|
nb_slices = max_slices;
|
|
}
|
|
|
|
if ((s->width || s->height) &&
|
|
av_image_check_size(s->width, s->height, 0, s->avctx))
|
|
return -1;
|
|
|
|
ff_dct_common_init(s);
|
|
|
|
s->flags = s->avctx->flags;
|
|
s->flags2 = s->avctx->flags2;
|
|
|
|
/* set chroma shifts */
|
|
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,
|
|
&s->chroma_x_shift,
|
|
&s->chroma_y_shift);
|
|
|
|
/* convert fourcc to upper case */
|
|
s->codec_tag = avpriv_toupper4(s->avctx->codec_tag);
|
|
s->stream_codec_tag = avpriv_toupper4(s->avctx->stream_codec_tag);
|
|
|
|
s->avctx->coded_frame = &s->current_picture.f;
|
|
|
|
if (s->encoding) {
|
|
if (s->msmpeg4_version) {
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats,
|
|
2 * 2 * (MAX_LEVEL + 1) *
|
|
(MAX_RUN + 1) * 2 * sizeof(int), fail);
|
|
}
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail);
|
|
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix, 64 * 32 * sizeof(int), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix, 64 * 32 * sizeof(int), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix, 64 * 32 * sizeof(int), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64 * 32 * 2 * sizeof(uint16_t), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail)
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture *), fail)
|
|
|
|
if (s->avctx->noise_reduction) {
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail);
|
|
}
|
|
}
|
|
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->picture,
|
|
MAX_PICTURE_COUNT * sizeof(Picture), fail);
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
avcodec_get_frame_defaults(&s->picture[i].f);
|
|
}
|
|
memset(&s->next_picture, 0, sizeof(s->next_picture));
|
|
memset(&s->last_picture, 0, sizeof(s->last_picture));
|
|
memset(&s->current_picture, 0, sizeof(s->current_picture));
|
|
avcodec_get_frame_defaults(&s->next_picture.f);
|
|
avcodec_get_frame_defaults(&s->last_picture.f);
|
|
avcodec_get_frame_defaults(&s->current_picture.f);
|
|
|
|
if (init_context_frame(s))
|
|
goto fail;
|
|
|
|
s->parse_context.state = -1;
|
|
|
|
s->context_initialized = 1;
|
|
s->thread_context[0] = s;
|
|
|
|
// if (s->width && s->height) {
|
|
if (nb_slices > 1) {
|
|
for (i = 1; i < nb_slices; i++) {
|
|
s->thread_context[i] = av_malloc(sizeof(MpegEncContext));
|
|
memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
|
|
}
|
|
|
|
for (i = 0; i < nb_slices; i++) {
|
|
if (init_duplicate_context(s->thread_context[i]) < 0)
|
|
goto fail;
|
|
s->thread_context[i]->start_mb_y =
|
|
(s->mb_height * (i) + nb_slices / 2) / nb_slices;
|
|
s->thread_context[i]->end_mb_y =
|
|
(s->mb_height * (i + 1) + nb_slices / 2) / nb_slices;
|
|
}
|
|
} else {
|
|
if (init_duplicate_context(s) < 0)
|
|
goto fail;
|
|
s->start_mb_y = 0;
|
|
s->end_mb_y = s->mb_height;
|
|
}
|
|
s->slice_context_count = nb_slices;
|
|
// }
|
|
|
|
return 0;
|
|
fail:
|
|
ff_MPV_common_end(s);
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Frees and resets MpegEncContext fields depending on the resolution.
|
|
* Is used during resolution changes to avoid a full reinitialization of the
|
|
* codec.
|
|
*/
|
|
static int free_context_frame(MpegEncContext *s)
|
|
{
|
|
int i, j, k;
|
|
|
|
av_freep(&s->mb_type);
|
|
av_freep(&s->p_mv_table_base);
|
|
av_freep(&s->b_forw_mv_table_base);
|
|
av_freep(&s->b_back_mv_table_base);
|
|
av_freep(&s->b_bidir_forw_mv_table_base);
|
|
av_freep(&s->b_bidir_back_mv_table_base);
|
|
av_freep(&s->b_direct_mv_table_base);
|
|
s->p_mv_table = NULL;
|
|
s->b_forw_mv_table = NULL;
|
|
s->b_back_mv_table = NULL;
|
|
s->b_bidir_forw_mv_table = NULL;
|
|
s->b_bidir_back_mv_table = NULL;
|
|
s->b_direct_mv_table = NULL;
|
|
for (i = 0; i < 2; i++) {
|
|
for (j = 0; j < 2; j++) {
|
|
for (k = 0; k < 2; k++) {
|
|
av_freep(&s->b_field_mv_table_base[i][j][k]);
|
|
s->b_field_mv_table[i][j][k] = NULL;
|
|
}
|
|
av_freep(&s->b_field_select_table[i][j]);
|
|
av_freep(&s->p_field_mv_table_base[i][j]);
|
|
s->p_field_mv_table[i][j] = NULL;
|
|
}
|
|
av_freep(&s->p_field_select_table[i]);
|
|
}
|
|
|
|
av_freep(&s->dc_val_base);
|
|
av_freep(&s->coded_block_base);
|
|
av_freep(&s->mbintra_table);
|
|
av_freep(&s->cbp_table);
|
|
av_freep(&s->pred_dir_table);
|
|
|
|
av_freep(&s->mbskip_table);
|
|
|
|
av_freep(&s->er.error_status_table);
|
|
av_freep(&s->er.er_temp_buffer);
|
|
av_freep(&s->mb_index2xy);
|
|
av_freep(&s->lambda_table);
|
|
|
|
av_freep(&s->cplx_tab);
|
|
av_freep(&s->bits_tab);
|
|
|
|
s->linesize = s->uvlinesize = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_MPV_common_frame_size_change(MpegEncContext *s)
|
|
{
|
|
int i, err = 0;
|
|
|
|
if (s->slice_context_count > 1) {
|
|
for (i = 0; i < s->slice_context_count; i++) {
|
|
free_duplicate_context(s->thread_context[i]);
|
|
}
|
|
for (i = 1; i < s->slice_context_count; i++) {
|
|
av_freep(&s->thread_context[i]);
|
|
}
|
|
} else
|
|
free_duplicate_context(s);
|
|
|
|
if ((err = free_context_frame(s)) < 0)
|
|
return err;
|
|
|
|
if (s->picture)
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
s->picture[i].needs_realloc = 1;
|
|
}
|
|
|
|
s->last_picture_ptr =
|
|
s->next_picture_ptr =
|
|
s->current_picture_ptr = NULL;
|
|
|
|
// init
|
|
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
|
|
s->mb_height = (s->height + 31) / 32 * 2;
|
|
else
|
|
s->mb_height = (s->height + 15) / 16;
|
|
|
|
if ((s->width || s->height) &&
|
|
av_image_check_size(s->width, s->height, 0, s->avctx))
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
if ((err = init_context_frame(s)))
|
|
goto fail;
|
|
|
|
s->thread_context[0] = s;
|
|
|
|
if (s->width && s->height) {
|
|
int nb_slices = s->slice_context_count;
|
|
if (nb_slices > 1) {
|
|
for (i = 1; i < nb_slices; i++) {
|
|
s->thread_context[i] = av_malloc(sizeof(MpegEncContext));
|
|
memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
|
|
}
|
|
|
|
for (i = 0; i < nb_slices; i++) {
|
|
if (init_duplicate_context(s->thread_context[i]) < 0)
|
|
goto fail;
|
|
s->thread_context[i]->start_mb_y =
|
|
(s->mb_height * (i) + nb_slices / 2) / nb_slices;
|
|
s->thread_context[i]->end_mb_y =
|
|
(s->mb_height * (i + 1) + nb_slices / 2) / nb_slices;
|
|
}
|
|
} else {
|
|
err = init_duplicate_context(s);
|
|
if (err < 0)
|
|
goto fail;
|
|
s->start_mb_y = 0;
|
|
s->end_mb_y = s->mb_height;
|
|
}
|
|
s->slice_context_count = nb_slices;
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
ff_MPV_common_end(s);
|
|
return err;
|
|
}
|
|
|
|
/* init common structure for both encoder and decoder */
|
|
void ff_MPV_common_end(MpegEncContext *s)
|
|
{
|
|
int i;
|
|
|
|
if (s->slice_context_count > 1) {
|
|
for (i = 0; i < s->slice_context_count; i++) {
|
|
free_duplicate_context(s->thread_context[i]);
|
|
}
|
|
for (i = 1; i < s->slice_context_count; i++) {
|
|
av_freep(&s->thread_context[i]);
|
|
}
|
|
s->slice_context_count = 1;
|
|
} else free_duplicate_context(s);
|
|
|
|
av_freep(&s->parse_context.buffer);
|
|
s->parse_context.buffer_size = 0;
|
|
|
|
av_freep(&s->bitstream_buffer);
|
|
s->allocated_bitstream_buffer_size = 0;
|
|
|
|
av_freep(&s->avctx->stats_out);
|
|
av_freep(&s->ac_stats);
|
|
|
|
if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix);
|
|
if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16);
|
|
s->q_chroma_intra_matrix= NULL;
|
|
s->q_chroma_intra_matrix16= NULL;
|
|
av_freep(&s->q_intra_matrix);
|
|
av_freep(&s->q_inter_matrix);
|
|
av_freep(&s->q_intra_matrix16);
|
|
av_freep(&s->q_inter_matrix16);
|
|
av_freep(&s->input_picture);
|
|
av_freep(&s->reordered_input_picture);
|
|
av_freep(&s->dct_offset);
|
|
|
|
if (s->picture) {
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
free_picture_tables(&s->picture[i]);
|
|
ff_mpeg_unref_picture(s, &s->picture[i]);
|
|
}
|
|
}
|
|
av_freep(&s->picture);
|
|
free_picture_tables(&s->last_picture);
|
|
ff_mpeg_unref_picture(s, &s->last_picture);
|
|
free_picture_tables(&s->current_picture);
|
|
ff_mpeg_unref_picture(s, &s->current_picture);
|
|
free_picture_tables(&s->next_picture);
|
|
ff_mpeg_unref_picture(s, &s->next_picture);
|
|
free_picture_tables(&s->new_picture);
|
|
ff_mpeg_unref_picture(s, &s->new_picture);
|
|
|
|
free_context_frame(s);
|
|
|
|
s->context_initialized = 0;
|
|
s->last_picture_ptr =
|
|
s->next_picture_ptr =
|
|
s->current_picture_ptr = NULL;
|
|
s->linesize = s->uvlinesize = 0;
|
|
}
|
|
|
|
av_cold void ff_init_rl(RLTable *rl,
|
|
uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3])
|
|
{
|
|
int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1];
|
|
uint8_t index_run[MAX_RUN + 1];
|
|
int last, run, level, start, end, i;
|
|
|
|
/* If table is static, we can quit if rl->max_level[0] is not NULL */
|
|
if (static_store && rl->max_level[0])
|
|
return;
|
|
|
|
/* compute max_level[], max_run[] and index_run[] */
|
|
for (last = 0; last < 2; last++) {
|
|
if (last == 0) {
|
|
start = 0;
|
|
end = rl->last;
|
|
} else {
|
|
start = rl->last;
|
|
end = rl->n;
|
|
}
|
|
|
|
memset(max_level, 0, MAX_RUN + 1);
|
|
memset(max_run, 0, MAX_LEVEL + 1);
|
|
memset(index_run, rl->n, MAX_RUN + 1);
|
|
for (i = start; i < end; i++) {
|
|
run = rl->table_run[i];
|
|
level = rl->table_level[i];
|
|
if (index_run[run] == rl->n)
|
|
index_run[run] = i;
|
|
if (level > max_level[run])
|
|
max_level[run] = level;
|
|
if (run > max_run[level])
|
|
max_run[level] = run;
|
|
}
|
|
if (static_store)
|
|
rl->max_level[last] = static_store[last];
|
|
else
|
|
rl->max_level[last] = av_malloc(MAX_RUN + 1);
|
|
memcpy(rl->max_level[last], max_level, MAX_RUN + 1);
|
|
if (static_store)
|
|
rl->max_run[last] = static_store[last] + MAX_RUN + 1;
|
|
else
|
|
rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
|
|
memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1);
|
|
if (static_store)
|
|
rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2;
|
|
else
|
|
rl->index_run[last] = av_malloc(MAX_RUN + 1);
|
|
memcpy(rl->index_run[last], index_run, MAX_RUN + 1);
|
|
}
|
|
}
|
|
|
|
av_cold void ff_init_vlc_rl(RLTable *rl)
|
|
{
|
|
int i, q;
|
|
|
|
for (q = 0; q < 32; q++) {
|
|
int qmul = q * 2;
|
|
int qadd = (q - 1) | 1;
|
|
|
|
if (q == 0) {
|
|
qmul = 1;
|
|
qadd = 0;
|
|
}
|
|
for (i = 0; i < rl->vlc.table_size; i++) {
|
|
int code = rl->vlc.table[i][0];
|
|
int len = rl->vlc.table[i][1];
|
|
int level, run;
|
|
|
|
if (len == 0) { // illegal code
|
|
run = 66;
|
|
level = MAX_LEVEL;
|
|
} else if (len < 0) { // more bits needed
|
|
run = 0;
|
|
level = code;
|
|
} else {
|
|
if (code == rl->n) { // esc
|
|
run = 66;
|
|
level = 0;
|
|
} else {
|
|
run = rl->table_run[code] + 1;
|
|
level = rl->table_level[code] * qmul + qadd;
|
|
if (code >= rl->last) run += 192;
|
|
}
|
|
}
|
|
rl->rl_vlc[q][i].len = len;
|
|
rl->rl_vlc[q][i].level = level;
|
|
rl->rl_vlc[q][i].run = run;
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_release_unused_pictures(MpegEncContext*s, int remove_current)
|
|
{
|
|
int i;
|
|
|
|
/* release non reference frames */
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (!s->picture[i].reference &&
|
|
(remove_current || &s->picture[i] != s->current_picture_ptr)) {
|
|
ff_mpeg_unref_picture(s, &s->picture[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline int pic_is_unused(MpegEncContext *s, Picture *pic)
|
|
{
|
|
if (pic == s->last_picture_ptr)
|
|
return 0;
|
|
if (pic->f.data[0] == NULL)
|
|
return 1;
|
|
if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static int find_unused_picture(MpegEncContext *s, int shared)
|
|
{
|
|
int i;
|
|
|
|
if (shared) {
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (s->picture[i].f.data[0] == NULL && &s->picture[i] != s->last_picture_ptr)
|
|
return i;
|
|
}
|
|
} else {
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (pic_is_unused(s, &s->picture[i]))
|
|
return i;
|
|
}
|
|
}
|
|
|
|
av_log(s->avctx, AV_LOG_FATAL,
|
|
"Internal error, picture buffer overflow\n");
|
|
/* We could return -1, but the codec would crash trying to draw into a
|
|
* non-existing frame anyway. This is safer than waiting for a random crash.
|
|
* Also the return of this is never useful, an encoder must only allocate
|
|
* as much as allowed in the specification. This has no relationship to how
|
|
* much libavcodec could allocate (and MAX_PICTURE_COUNT is always large
|
|
* enough for such valid streams).
|
|
* Plus, a decoder has to check stream validity and remove frames if too
|
|
* many reference frames are around. Waiting for "OOM" is not correct at
|
|
* all. Similarly, missing reference frames have to be replaced by
|
|
* interpolated/MC frames, anything else is a bug in the codec ...
|
|
*/
|
|
abort();
|
|
return -1;
|
|
}
|
|
|
|
int ff_find_unused_picture(MpegEncContext *s, int shared)
|
|
{
|
|
int ret = find_unused_picture(s, shared);
|
|
|
|
if (ret >= 0 && ret < MAX_PICTURE_COUNT) {
|
|
if (s->picture[ret].needs_realloc) {
|
|
s->picture[ret].needs_realloc = 0;
|
|
free_picture_tables(&s->picture[ret]);
|
|
ff_mpeg_unref_picture(s, &s->picture[ret]);
|
|
avcodec_get_frame_defaults(&s->picture[ret].f);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void update_noise_reduction(MpegEncContext *s)
|
|
{
|
|
int intra, i;
|
|
|
|
for (intra = 0; intra < 2; intra++) {
|
|
if (s->dct_count[intra] > (1 << 16)) {
|
|
for (i = 0; i < 64; i++) {
|
|
s->dct_error_sum[intra][i] >>= 1;
|
|
}
|
|
s->dct_count[intra] >>= 1;
|
|
}
|
|
|
|
for (i = 0; i < 64; i++) {
|
|
s->dct_offset[intra][i] = (s->avctx->noise_reduction *
|
|
s->dct_count[intra] +
|
|
s->dct_error_sum[intra][i] / 2) /
|
|
(s->dct_error_sum[intra][i] + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* generic function for encode/decode called after coding/decoding
|
|
* the header and before a frame is coded/decoded.
|
|
*/
|
|
int ff_MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
|
|
{
|
|
int i, ret;
|
|
Picture *pic;
|
|
s->mb_skipped = 0;
|
|
|
|
if (!ff_thread_can_start_frame(avctx)) {
|
|
av_log(avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n");
|
|
return -1;
|
|
}
|
|
|
|
/* mark & release old frames */
|
|
if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr &&
|
|
s->last_picture_ptr != s->next_picture_ptr &&
|
|
s->last_picture_ptr->f.data[0]) {
|
|
ff_mpeg_unref_picture(s, s->last_picture_ptr);
|
|
}
|
|
|
|
/* release forgotten pictures */
|
|
/* if (mpeg124/h263) */
|
|
if (!s->encoding) {
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (&s->picture[i] != s->last_picture_ptr &&
|
|
&s->picture[i] != s->next_picture_ptr &&
|
|
s->picture[i].reference && !s->picture[i].needs_realloc) {
|
|
if (!(avctx->active_thread_type & FF_THREAD_FRAME))
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"releasing zombie picture\n");
|
|
ff_mpeg_unref_picture(s, &s->picture[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
ff_mpeg_unref_picture(s, &s->current_picture);
|
|
|
|
if (!s->encoding) {
|
|
ff_release_unused_pictures(s, 1);
|
|
|
|
if (s->current_picture_ptr &&
|
|
s->current_picture_ptr->f.data[0] == NULL) {
|
|
// we already have a unused image
|
|
// (maybe it was set before reading the header)
|
|
pic = s->current_picture_ptr;
|
|
} else {
|
|
i = ff_find_unused_picture(s, 0);
|
|
if (i < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
return i;
|
|
}
|
|
pic = &s->picture[i];
|
|
}
|
|
|
|
pic->reference = 0;
|
|
if (!s->droppable) {
|
|
if (s->pict_type != AV_PICTURE_TYPE_B)
|
|
pic->reference = 3;
|
|
}
|
|
|
|
pic->f.coded_picture_number = s->coded_picture_number++;
|
|
|
|
if (ff_alloc_picture(s, pic, 0) < 0)
|
|
return -1;
|
|
|
|
s->current_picture_ptr = pic;
|
|
// FIXME use only the vars from current_pic
|
|
s->current_picture_ptr->f.top_field_first = s->top_field_first;
|
|
if (s->codec_id == AV_CODEC_ID_MPEG1VIDEO ||
|
|
s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
|
|
if (s->picture_structure != PICT_FRAME)
|
|
s->current_picture_ptr->f.top_field_first =
|
|
(s->picture_structure == PICT_TOP_FIELD) == s->first_field;
|
|
}
|
|
s->current_picture_ptr->f.interlaced_frame = !s->progressive_frame &&
|
|
!s->progressive_sequence;
|
|
s->current_picture_ptr->field_picture = s->picture_structure != PICT_FRAME;
|
|
}
|
|
|
|
s->current_picture_ptr->f.pict_type = s->pict_type;
|
|
// if (s->flags && CODEC_FLAG_QSCALE)
|
|
// s->current_picture_ptr->quality = s->new_picture_ptr->quality;
|
|
s->current_picture_ptr->f.key_frame = s->pict_type == AV_PICTURE_TYPE_I;
|
|
|
|
if ((ret = ff_mpeg_ref_picture(s, &s->current_picture,
|
|
s->current_picture_ptr)) < 0)
|
|
return ret;
|
|
|
|
if (s->pict_type != AV_PICTURE_TYPE_B) {
|
|
s->last_picture_ptr = s->next_picture_ptr;
|
|
if (!s->droppable)
|
|
s->next_picture_ptr = s->current_picture_ptr;
|
|
}
|
|
av_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n",
|
|
s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
|
|
s->last_picture_ptr ? s->last_picture_ptr->f.data[0] : NULL,
|
|
s->next_picture_ptr ? s->next_picture_ptr->f.data[0] : NULL,
|
|
s->current_picture_ptr ? s->current_picture_ptr->f.data[0] : NULL,
|
|
s->pict_type, s->droppable);
|
|
|
|
if ((s->last_picture_ptr == NULL ||
|
|
s->last_picture_ptr->f.data[0] == NULL) &&
|
|
(s->pict_type != AV_PICTURE_TYPE_I ||
|
|
s->picture_structure != PICT_FRAME)) {
|
|
int h_chroma_shift, v_chroma_shift;
|
|
av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
|
|
&h_chroma_shift, &v_chroma_shift);
|
|
if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture_ptr && s->next_picture_ptr->f.data[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");
|
|
else if (s->picture_structure != PICT_FRAME)
|
|
av_log(avctx, AV_LOG_DEBUG,
|
|
"allocate dummy last picture for field based first keyframe\n");
|
|
|
|
/* Allocate a dummy frame */
|
|
i = ff_find_unused_picture(s, 0);
|
|
if (i < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
return i;
|
|
}
|
|
s->last_picture_ptr = &s->picture[i];
|
|
s->last_picture_ptr->f.key_frame = 0;
|
|
if (ff_alloc_picture(s, s->last_picture_ptr, 0) < 0) {
|
|
s->last_picture_ptr = NULL;
|
|
return -1;
|
|
}
|
|
|
|
memset(s->last_picture_ptr->f.data[0], 0x80,
|
|
avctx->height * s->last_picture_ptr->f.linesize[0]);
|
|
memset(s->last_picture_ptr->f.data[1], 0x80,
|
|
(avctx->height >> v_chroma_shift) *
|
|
s->last_picture_ptr->f.linesize[1]);
|
|
memset(s->last_picture_ptr->f.data[2], 0x80,
|
|
(avctx->height >> v_chroma_shift) *
|
|
s->last_picture_ptr->f.linesize[2]);
|
|
|
|
if(s->codec_id == AV_CODEC_ID_FLV1 || s->codec_id == AV_CODEC_ID_H263){
|
|
for(i=0; i<avctx->height; i++)
|
|
memset(s->last_picture_ptr->f.data[0] + s->last_picture_ptr->f.linesize[0]*i, 16, avctx->width);
|
|
}
|
|
|
|
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0);
|
|
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1);
|
|
}
|
|
if ((s->next_picture_ptr == NULL ||
|
|
s->next_picture_ptr->f.data[0] == NULL) &&
|
|
s->pict_type == AV_PICTURE_TYPE_B) {
|
|
/* Allocate a dummy frame */
|
|
i = ff_find_unused_picture(s, 0);
|
|
if (i < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
return i;
|
|
}
|
|
s->next_picture_ptr = &s->picture[i];
|
|
s->next_picture_ptr->f.key_frame = 0;
|
|
if (ff_alloc_picture(s, s->next_picture_ptr, 0) < 0) {
|
|
s->next_picture_ptr = NULL;
|
|
return -1;
|
|
}
|
|
ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 0);
|
|
ff_thread_report_progress(&s->next_picture_ptr->tf, INT_MAX, 1);
|
|
}
|
|
|
|
#if 0 // BUFREF-FIXME
|
|
memset(s->last_picture.f.data, 0, sizeof(s->last_picture.f.data));
|
|
memset(s->next_picture.f.data, 0, sizeof(s->next_picture.f.data));
|
|
#endif
|
|
if (s->last_picture_ptr) {
|
|
ff_mpeg_unref_picture(s, &s->last_picture);
|
|
if (s->last_picture_ptr->f.data[0] &&
|
|
(ret = ff_mpeg_ref_picture(s, &s->last_picture,
|
|
s->last_picture_ptr)) < 0)
|
|
return ret;
|
|
}
|
|
if (s->next_picture_ptr) {
|
|
ff_mpeg_unref_picture(s, &s->next_picture);
|
|
if (s->next_picture_ptr->f.data[0] &&
|
|
(ret = ff_mpeg_ref_picture(s, &s->next_picture,
|
|
s->next_picture_ptr)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
av_assert0(s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr &&
|
|
s->last_picture_ptr->f.data[0]));
|
|
|
|
if (s->picture_structure!= PICT_FRAME) {
|
|
int i;
|
|
for (i = 0; i < 4; i++) {
|
|
if (s->picture_structure == PICT_BOTTOM_FIELD) {
|
|
s->current_picture.f.data[i] +=
|
|
s->current_picture.f.linesize[i];
|
|
}
|
|
s->current_picture.f.linesize[i] *= 2;
|
|
s->last_picture.f.linesize[i] *= 2;
|
|
s->next_picture.f.linesize[i] *= 2;
|
|
}
|
|
}
|
|
|
|
s->err_recognition = avctx->err_recognition;
|
|
|
|
/* set dequantizer, we can't do it during init as
|
|
* it might change for mpeg4 and we can't do it in the header
|
|
* decode as init is not called for mpeg4 there yet */
|
|
if (s->mpeg_quant || s->codec_id == AV_CODEC_ID_MPEG2VIDEO) {
|
|
s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra;
|
|
s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter;
|
|
} else if (s->out_format == FMT_H263 || s->out_format == FMT_H261) {
|
|
s->dct_unquantize_intra = s->dct_unquantize_h263_intra;
|
|
s->dct_unquantize_inter = s->dct_unquantize_h263_inter;
|
|
} else {
|
|
s->dct_unquantize_intra = s->dct_unquantize_mpeg1_intra;
|
|
s->dct_unquantize_inter = s->dct_unquantize_mpeg1_inter;
|
|
}
|
|
|
|
if (s->dct_error_sum) {
|
|
av_assert2(s->avctx->noise_reduction && s->encoding);
|
|
update_noise_reduction(s);
|
|
}
|
|
|
|
if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
|
|
return ff_xvmc_field_start(s, avctx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* generic function for encode/decode called after a
|
|
* frame has been coded/decoded. */
|
|
void ff_MPV_frame_end(MpegEncContext *s)
|
|
{
|
|
/* redraw edges for the frame if decoding didn't complete */
|
|
// just to make sure that all data is rendered.
|
|
if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) {
|
|
ff_xvmc_field_end(s);
|
|
} else if ((s->er.error_count || s->encoding || !(s->avctx->codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)) &&
|
|
!s->avctx->hwaccel &&
|
|
!(s->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) &&
|
|
s->unrestricted_mv &&
|
|
s->current_picture.reference &&
|
|
!s->intra_only &&
|
|
!(s->flags & CODEC_FLAG_EMU_EDGE) &&
|
|
!s->avctx->lowres
|
|
) {
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
|
|
int hshift = desc->log2_chroma_w;
|
|
int vshift = desc->log2_chroma_h;
|
|
s->dsp.draw_edges(s->current_picture.f.data[0], s->current_picture.f.linesize[0],
|
|
s->h_edge_pos, s->v_edge_pos,
|
|
EDGE_WIDTH, EDGE_WIDTH,
|
|
EDGE_TOP | EDGE_BOTTOM);
|
|
s->dsp.draw_edges(s->current_picture.f.data[1], s->current_picture.f.linesize[1],
|
|
s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
|
|
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
|
|
EDGE_TOP | EDGE_BOTTOM);
|
|
s->dsp.draw_edges(s->current_picture.f.data[2], s->current_picture.f.linesize[2],
|
|
s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
|
|
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
|
|
EDGE_TOP | EDGE_BOTTOM);
|
|
}
|
|
|
|
emms_c();
|
|
|
|
s->last_pict_type = s->pict_type;
|
|
s->last_lambda_for [s->pict_type] = s->current_picture_ptr->f.quality;
|
|
if (s->pict_type!= AV_PICTURE_TYPE_B) {
|
|
s->last_non_b_pict_type = s->pict_type;
|
|
}
|
|
#if 0
|
|
/* copy back current_picture variables */
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (s->picture[i].f.data[0] == s->current_picture.f.data[0]) {
|
|
s->picture[i] = s->current_picture;
|
|
break;
|
|
}
|
|
}
|
|
av_assert0(i < MAX_PICTURE_COUNT);
|
|
#endif
|
|
|
|
// clear copies, to avoid confusion
|
|
#if 0
|
|
memset(&s->last_picture, 0, sizeof(Picture));
|
|
memset(&s->next_picture, 0, sizeof(Picture));
|
|
memset(&s->current_picture, 0, sizeof(Picture));
|
|
#endif
|
|
s->avctx->coded_frame = &s->current_picture_ptr->f;
|
|
|
|
if (s->current_picture.reference)
|
|
ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0);
|
|
}
|
|
|
|
/**
|
|
* Draw a line from (ex, ey) -> (sx, sy).
|
|
* @param w width of the image
|
|
* @param h height of the image
|
|
* @param stride stride/linesize of the image
|
|
* @param color color of the arrow
|
|
*/
|
|
static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey,
|
|
int w, int h, int stride, int color)
|
|
{
|
|
int x, y, fr, f;
|
|
|
|
sx = av_clip(sx, 0, w - 1);
|
|
sy = av_clip(sy, 0, h - 1);
|
|
ex = av_clip(ex, 0, w - 1);
|
|
ey = av_clip(ey, 0, h - 1);
|
|
|
|
buf[sy * stride + sx] += color;
|
|
|
|
if (FFABS(ex - sx) > FFABS(ey - sy)) {
|
|
if (sx > ex) {
|
|
FFSWAP(int, sx, ex);
|
|
FFSWAP(int, sy, ey);
|
|
}
|
|
buf += sx + sy * stride;
|
|
ex -= sx;
|
|
f = ((ey - sy) << 16) / ex;
|
|
for (x = 0; x <= ex; x++) {
|
|
y = (x * f) >> 16;
|
|
fr = (x * f) & 0xFFFF;
|
|
buf[y * stride + x] += (color * (0x10000 - fr)) >> 16;
|
|
if(fr) buf[(y + 1) * stride + x] += (color * fr ) >> 16;
|
|
}
|
|
} else {
|
|
if (sy > ey) {
|
|
FFSWAP(int, sx, ex);
|
|
FFSWAP(int, sy, ey);
|
|
}
|
|
buf += sx + sy * stride;
|
|
ey -= sy;
|
|
if (ey)
|
|
f = ((ex - sx) << 16) / ey;
|
|
else
|
|
f = 0;
|
|
for(y= 0; y <= ey; y++){
|
|
x = (y*f) >> 16;
|
|
fr = (y*f) & 0xFFFF;
|
|
buf[y * stride + x] += (color * (0x10000 - fr)) >> 16;
|
|
if(fr) buf[y * stride + x + 1] += (color * fr ) >> 16;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Draw an arrow from (ex, ey) -> (sx, sy).
|
|
* @param w width of the image
|
|
* @param h height of the image
|
|
* @param stride stride/linesize of the image
|
|
* @param color color of the arrow
|
|
*/
|
|
static void draw_arrow(uint8_t *buf, int sx, int sy, int ex,
|
|
int ey, int w, int h, int stride, int color)
|
|
{
|
|
int dx,dy;
|
|
|
|
sx = av_clip(sx, -100, w + 100);
|
|
sy = av_clip(sy, -100, h + 100);
|
|
ex = av_clip(ex, -100, w + 100);
|
|
ey = av_clip(ey, -100, h + 100);
|
|
|
|
dx = ex - sx;
|
|
dy = ey - sy;
|
|
|
|
if (dx * dx + dy * dy > 3 * 3) {
|
|
int rx = dx + dy;
|
|
int ry = -dx + dy;
|
|
int length = ff_sqrt((rx * rx + ry * ry) << 8);
|
|
|
|
// FIXME subpixel accuracy
|
|
rx = ROUNDED_DIV(rx * 3 << 4, length);
|
|
ry = ROUNDED_DIV(ry * 3 << 4, length);
|
|
|
|
draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color);
|
|
draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color);
|
|
}
|
|
draw_line(buf, sx, sy, ex, ey, w, h, stride, color);
|
|
}
|
|
|
|
/**
|
|
* Print debugging info for the given picture.
|
|
*/
|
|
void ff_print_debug_info2(AVCodecContext *avctx, Picture *p, AVFrame *pict, uint8_t *mbskip_table,
|
|
int *low_delay,
|
|
int mb_width, int mb_height, int mb_stride, int quarter_sample)
|
|
{
|
|
if (avctx->hwaccel || !p || !p->mb_type
|
|
|| (avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU))
|
|
return;
|
|
|
|
|
|
if (avctx->debug & (FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)) {
|
|
int x,y;
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "New frame, type: %c\n",
|
|
av_get_picture_type_char(pict->pict_type));
|
|
for (y = 0; y < mb_height; y++) {
|
|
for (x = 0; x < mb_width; x++) {
|
|
if (avctx->debug & FF_DEBUG_SKIP) {
|
|
int count = mbskip_table[x + y * mb_stride];
|
|
if (count > 9)
|
|
count = 9;
|
|
av_log(avctx, AV_LOG_DEBUG, "%1d", count);
|
|
}
|
|
if (avctx->debug & FF_DEBUG_QP) {
|
|
av_log(avctx, AV_LOG_DEBUG, "%2d",
|
|
p->qscale_table[x + y * mb_stride]);
|
|
}
|
|
if (avctx->debug & FF_DEBUG_MB_TYPE) {
|
|
int mb_type = p->mb_type[x + y * mb_stride];
|
|
// Type & MV direction
|
|
if (IS_PCM(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "P");
|
|
else if (IS_INTRA(mb_type) && IS_ACPRED(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "A");
|
|
else if (IS_INTRA4x4(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "i");
|
|
else if (IS_INTRA16x16(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "I");
|
|
else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "d");
|
|
else if (IS_DIRECT(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "D");
|
|
else if (IS_GMC(mb_type) && IS_SKIP(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "g");
|
|
else if (IS_GMC(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "G");
|
|
else if (IS_SKIP(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "S");
|
|
else if (!USES_LIST(mb_type, 1))
|
|
av_log(avctx, AV_LOG_DEBUG, ">");
|
|
else if (!USES_LIST(mb_type, 0))
|
|
av_log(avctx, AV_LOG_DEBUG, "<");
|
|
else {
|
|
av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
|
|
av_log(avctx, AV_LOG_DEBUG, "X");
|
|
}
|
|
|
|
// segmentation
|
|
if (IS_8X8(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "+");
|
|
else if (IS_16X8(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "-");
|
|
else if (IS_8X16(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "|");
|
|
else if (IS_INTRA(mb_type) || IS_16X16(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, " ");
|
|
else
|
|
av_log(avctx, AV_LOG_DEBUG, "?");
|
|
|
|
|
|
if (IS_INTERLACED(mb_type))
|
|
av_log(avctx, AV_LOG_DEBUG, "=");
|
|
else
|
|
av_log(avctx, AV_LOG_DEBUG, " ");
|
|
}
|
|
}
|
|
av_log(avctx, AV_LOG_DEBUG, "\n");
|
|
}
|
|
}
|
|
|
|
if ((avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) ||
|
|
(avctx->debug_mv)) {
|
|
const int shift = 1 + quarter_sample;
|
|
int mb_y;
|
|
uint8_t *ptr;
|
|
int i;
|
|
int h_chroma_shift, v_chroma_shift, block_height;
|
|
const int width = avctx->width;
|
|
const int height = avctx->height;
|
|
const int mv_sample_log2 = avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_SVQ3 ? 2 : 1;
|
|
const int mv_stride = (mb_width << mv_sample_log2) +
|
|
(avctx->codec->id == AV_CODEC_ID_H264 ? 0 : 1);
|
|
|
|
*low_delay = 0; // needed to see the vectors without trashing the buffers
|
|
|
|
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
|
|
|
|
av_frame_make_writable(pict);
|
|
|
|
pict->opaque = NULL;
|
|
ptr = pict->data[0];
|
|
block_height = 16 >> v_chroma_shift;
|
|
|
|
for (mb_y = 0; mb_y < mb_height; mb_y++) {
|
|
int mb_x;
|
|
for (mb_x = 0; mb_x < mb_width; mb_x++) {
|
|
const int mb_index = mb_x + mb_y * mb_stride;
|
|
if ((avctx->debug_mv) && p->motion_val[0]) {
|
|
int type;
|
|
for (type = 0; type < 3; type++) {
|
|
int direction = 0;
|
|
switch (type) {
|
|
case 0:
|
|
if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_P_FOR)) ||
|
|
(pict->pict_type!= AV_PICTURE_TYPE_P))
|
|
continue;
|
|
direction = 0;
|
|
break;
|
|
case 1:
|
|
if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_FOR)) ||
|
|
(pict->pict_type!= AV_PICTURE_TYPE_B))
|
|
continue;
|
|
direction = 0;
|
|
break;
|
|
case 2:
|
|
if ((!(avctx->debug_mv & FF_DEBUG_VIS_MV_B_BACK)) ||
|
|
(pict->pict_type!= AV_PICTURE_TYPE_B))
|
|
continue;
|
|
direction = 1;
|
|
break;
|
|
}
|
|
if (!USES_LIST(p->mb_type[mb_index], direction))
|
|
continue;
|
|
|
|
if (IS_8X8(p->mb_type[mb_index])) {
|
|
int i;
|
|
for (i = 0; i < 4; i++) {
|
|
int sx = mb_x * 16 + 4 + 8 * (i & 1);
|
|
int sy = mb_y * 16 + 4 + 8 * (i >> 1);
|
|
int xy = (mb_x * 2 + (i & 1) +
|
|
(mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1);
|
|
int mx = (p->motion_val[direction][xy][0] >> shift) + sx;
|
|
int my = (p->motion_val[direction][xy][1] >> shift) + sy;
|
|
draw_arrow(ptr, sx, sy, mx, my, width,
|
|
height, pict->linesize[0], 100);
|
|
}
|
|
} else if (IS_16X8(p->mb_type[mb_index])) {
|
|
int i;
|
|
for (i = 0; i < 2; i++) {
|
|
int sx = mb_x * 16 + 8;
|
|
int sy = mb_y * 16 + 4 + 8 * i;
|
|
int xy = (mb_x * 2 + (mb_y * 2 + i) * mv_stride) << (mv_sample_log2 - 1);
|
|
int mx = (p->motion_val[direction][xy][0] >> shift);
|
|
int my = (p->motion_val[direction][xy][1] >> shift);
|
|
|
|
if (IS_INTERLACED(p->mb_type[mb_index]))
|
|
my *= 2;
|
|
|
|
draw_arrow(ptr, sx, sy, mx + sx, my + sy, width,
|
|
height, pict->linesize[0], 100);
|
|
}
|
|
} else if (IS_8X16(p->mb_type[mb_index])) {
|
|
int i;
|
|
for (i = 0; i < 2; i++) {
|
|
int sx = mb_x * 16 + 4 + 8 * i;
|
|
int sy = mb_y * 16 + 8;
|
|
int xy = (mb_x * 2 + i + mb_y * 2 * mv_stride) << (mv_sample_log2 - 1);
|
|
int mx = p->motion_val[direction][xy][0] >> shift;
|
|
int my = p->motion_val[direction][xy][1] >> shift;
|
|
|
|
if (IS_INTERLACED(p->mb_type[mb_index]))
|
|
my *= 2;
|
|
|
|
draw_arrow(ptr, sx, sy, mx + sx, my + sy, width,
|
|
height, pict->linesize[0], 100);
|
|
}
|
|
} else {
|
|
int sx= mb_x * 16 + 8;
|
|
int sy= mb_y * 16 + 8;
|
|
int xy= (mb_x + mb_y * mv_stride) << mv_sample_log2;
|
|
int mx= (p->motion_val[direction][xy][0]>>shift) + sx;
|
|
int my= (p->motion_val[direction][xy][1]>>shift) + sy;
|
|
draw_arrow(ptr, sx, sy, mx, my, width, height, pict->linesize[0], 100);
|
|
}
|
|
}
|
|
}
|
|
if ((avctx->debug & FF_DEBUG_VIS_QP)) {
|
|
uint64_t c = (p->qscale_table[mb_index] * 128 / 31) *
|
|
0x0101010101010101ULL;
|
|
int y;
|
|
for (y = 0; y < block_height; y++) {
|
|
*(uint64_t *)(pict->data[1] + 8 * mb_x +
|
|
(block_height * mb_y + y) *
|
|
pict->linesize[1]) = c;
|
|
*(uint64_t *)(pict->data[2] + 8 * mb_x +
|
|
(block_height * mb_y + y) *
|
|
pict->linesize[2]) = c;
|
|
}
|
|
}
|
|
if ((avctx->debug & FF_DEBUG_VIS_MB_TYPE) &&
|
|
p->motion_val[0]) {
|
|
int mb_type = p->mb_type[mb_index];
|
|
uint64_t u,v;
|
|
int y;
|
|
#define COLOR(theta, r) \
|
|
u = (int)(128 + r * cos(theta * 3.141592 / 180)); \
|
|
v = (int)(128 + r * sin(theta * 3.141592 / 180));
|
|
|
|
|
|
u = v = 128;
|
|
if (IS_PCM(mb_type)) {
|
|
COLOR(120, 48)
|
|
} else if ((IS_INTRA(mb_type) && IS_ACPRED(mb_type)) ||
|
|
IS_INTRA16x16(mb_type)) {
|
|
COLOR(30, 48)
|
|
} else if (IS_INTRA4x4(mb_type)) {
|
|
COLOR(90, 48)
|
|
} else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type)) {
|
|
// COLOR(120, 48)
|
|
} else if (IS_DIRECT(mb_type)) {
|
|
COLOR(150, 48)
|
|
} else if (IS_GMC(mb_type) && IS_SKIP(mb_type)) {
|
|
COLOR(170, 48)
|
|
} else if (IS_GMC(mb_type)) {
|
|
COLOR(190, 48)
|
|
} else if (IS_SKIP(mb_type)) {
|
|
// COLOR(180, 48)
|
|
} else if (!USES_LIST(mb_type, 1)) {
|
|
COLOR(240, 48)
|
|
} else if (!USES_LIST(mb_type, 0)) {
|
|
COLOR(0, 48)
|
|
} else {
|
|
av_assert2(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
|
|
COLOR(300,48)
|
|
}
|
|
|
|
u *= 0x0101010101010101ULL;
|
|
v *= 0x0101010101010101ULL;
|
|
for (y = 0; y < block_height; y++) {
|
|
*(uint64_t *)(pict->data[1] + 8 * mb_x +
|
|
(block_height * mb_y + y) * pict->linesize[1]) = u;
|
|
*(uint64_t *)(pict->data[2] + 8 * mb_x +
|
|
(block_height * mb_y + y) * pict->linesize[2]) = v;
|
|
}
|
|
|
|
// segmentation
|
|
if (IS_8X8(mb_type) || IS_16X8(mb_type)) {
|
|
*(uint64_t *)(pict->data[0] + 16 * mb_x + 0 +
|
|
(16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL;
|
|
*(uint64_t *)(pict->data[0] + 16 * mb_x + 8 +
|
|
(16 * mb_y + 8) * pict->linesize[0]) ^= 0x8080808080808080ULL;
|
|
}
|
|
if (IS_8X8(mb_type) || IS_8X16(mb_type)) {
|
|
for (y = 0; y < 16; y++)
|
|
pict->data[0][16 * mb_x + 8 + (16 * mb_y + y) *
|
|
pict->linesize[0]] ^= 0x80;
|
|
}
|
|
if (IS_8X8(mb_type) && mv_sample_log2 >= 2) {
|
|
int dm = 1 << (mv_sample_log2 - 2);
|
|
for (i = 0; i < 4; i++) {
|
|
int sx = mb_x * 16 + 8 * (i & 1);
|
|
int sy = mb_y * 16 + 8 * (i >> 1);
|
|
int xy = (mb_x * 2 + (i & 1) +
|
|
(mb_y * 2 + (i >> 1)) * mv_stride) << (mv_sample_log2 - 1);
|
|
// FIXME bidir
|
|
int32_t *mv = (int32_t *) &p->motion_val[0][xy];
|
|
if (mv[0] != mv[dm] ||
|
|
mv[dm * mv_stride] != mv[dm * (mv_stride + 1)])
|
|
for (y = 0; y < 8; y++)
|
|
pict->data[0][sx + 4 + (sy + y) * pict->linesize[0]] ^= 0x80;
|
|
if (mv[0] != mv[dm * mv_stride] || mv[dm] != mv[dm * (mv_stride + 1)])
|
|
*(uint64_t *)(pict->data[0] + sx + (sy + 4) *
|
|
pict->linesize[0]) ^= 0x8080808080808080ULL;
|
|
}
|
|
}
|
|
|
|
if (IS_INTERLACED(mb_type) &&
|
|
avctx->codec->id == AV_CODEC_ID_H264) {
|
|
// hmm
|
|
}
|
|
}
|
|
mbskip_table[mb_index] = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_print_debug_info(MpegEncContext *s, Picture *p, AVFrame *pict)
|
|
{
|
|
ff_print_debug_info2(s->avctx, p, pict, s->mbskip_table, &s->low_delay,
|
|
s->mb_width, s->mb_height, s->mb_stride, s->quarter_sample);
|
|
}
|
|
|
|
int ff_mpv_export_qp_table(MpegEncContext *s, AVFrame *f, Picture *p, int qp_type)
|
|
{
|
|
AVBufferRef *ref = av_buffer_ref(p->qscale_table_buf);
|
|
int offset = 2*s->mb_stride + 1;
|
|
if(!ref)
|
|
return AVERROR(ENOMEM);
|
|
av_assert0(ref->size >= offset + s->mb_stride * ((f->height+15)/16));
|
|
ref->size -= offset;
|
|
ref->data += offset;
|
|
return av_frame_set_qp_table(f, ref, s->mb_stride, qp_type);
|
|
}
|
|
|
|
static inline int hpel_motion_lowres(MpegEncContext *s,
|
|
uint8_t *dest, uint8_t *src,
|
|
int field_based, int field_select,
|
|
int src_x, int src_y,
|
|
int width, int height, 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->edge_emu_buffer, s->linesize,
|
|
src, s->linesize, w + 1,
|
|
(h + 1) << field_based, src_x,
|
|
src_y << field_based,
|
|
h_edge_pos,
|
|
v_edge_pos);
|
|
src = s->edge_emu_buffer;
|
|
emu = 1;
|
|
}
|
|
|
|
sx = (sx << 2) >> lowres;
|
|
sy = (sy << 2) >> lowres;
|
|
if (field_select)
|
|
src += s->linesize;
|
|
pix_op[op_index](dest, src, stride, h, sx, sy);
|
|
return emu;
|
|
}
|
|
|
|
/* apply one mpeg motion vector to the three components */
|
|
static av_always_inline void mpeg_motion_lowres(MpegEncContext *s,
|
|
uint8_t *dest_y,
|
|
uint8_t *dest_cb,
|
|
uint8_t *dest_cr,
|
|
int field_based,
|
|
int bottom_field,
|
|
int field_select,
|
|
uint8_t **ref_picture,
|
|
h264_chroma_mc_func *pix_op,
|
|
int motion_x, int motion_y,
|
|
int h, int mb_y)
|
|
{
|
|
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
|
|
int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, 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->edge_emu_buffer, linesize >> field_based, ptr_y,
|
|
linesize >> field_based, 17, 17 + field_based,
|
|
src_x, src_y << field_based, h_edge_pos,
|
|
v_edge_pos);
|
|
ptr_y = s->edge_emu_buffer;
|
|
if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) {
|
|
uint8_t *uvbuf = s->edge_emu_buffer + 18 * s->linesize;
|
|
s->vdsp.emulated_edge_mc(uvbuf, uvlinesize >> field_based,
|
|
ptr_cb, uvlinesize >> field_based, 9,
|
|
9 + field_based,
|
|
uvsrc_x, uvsrc_y << field_based,
|
|
h_edge_pos >> 1, v_edge_pos >> 1);
|
|
s->vdsp.emulated_edge_mc(uvbuf + 16, uvlinesize >> field_based,
|
|
ptr_cr, uvlinesize >> field_based, 9,
|
|
9 + field_based,
|
|
uvsrc_x, uvsrc_y << field_based,
|
|
h_edge_pos >> 1, v_edge_pos >> 1);
|
|
ptr_cb = uvbuf;
|
|
ptr_cr = uvbuf + 16;
|
|
}
|
|
}
|
|
|
|
// FIXME use this for field pix too instead of the obnoxious hack which changes picture.f.data
|
|
if (bottom_field) {
|
|
dest_y += s->linesize;
|
|
dest_cb += s->uvlinesize;
|
|
dest_cr += s->uvlinesize;
|
|
}
|
|
|
|
if (field_select) {
|
|
ptr_y += s->linesize;
|
|
ptr_cb += s->uvlinesize;
|
|
ptr_cr += s->uvlinesize;
|
|
}
|
|
|
|
sx = (sx << 2) >> lowres;
|
|
sy = (sy << 2) >> lowres;
|
|
pix_op[lowres - 1](dest_y, ptr_y, linesize, h, sx, sy);
|
|
|
|
if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY)) {
|
|
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->edge_emu_buffer, s->uvlinesize, ptr, s->uvlinesize,
|
|
9, 9, src_x, src_y, h_edge_pos, v_edge_pos);
|
|
ptr = s->edge_emu_buffer;
|
|
emu = 1;
|
|
}
|
|
sx = (sx << 2) >> lowres;
|
|
sy = (sy << 2) >> lowres;
|
|
pix_op[op_index](dest_cb, ptr, s->uvlinesize, block_s, sx, sy);
|
|
|
|
ptr = ref_picture[2] + offset;
|
|
if (emu) {
|
|
s->vdsp.emulated_edge_mc(s->edge_emu_buffer, s->uvlinesize,
|
|
ptr, s->uvlinesize, 9, 9,
|
|
src_x, src_y, h_edge_pos, v_edge_pos);
|
|
ptr = s->edge_emu_buffer;
|
|
}
|
|
pix_op[op_index](dest_cr, ptr, s->uvlinesize, block_s, sx, sy);
|
|
}
|
|
|
|
/**
|
|
* motion compensation of a single macroblock
|
|
* @param s context
|
|
* @param dest_y luma destination pointer
|
|
* @param dest_cb chroma cb/u destination pointer
|
|
* @param dest_cr chroma cr/v destination pointer
|
|
* @param dir direction (0->forward, 1->backward)
|
|
* @param ref_picture array[3] of pointers to the 3 planes of the reference picture
|
|
* @param pix_op halfpel motion compensation function (average or put normally)
|
|
* the motion vectors are taken from s->mv and the MV type from s->mv_type
|
|
*/
|
|
static inline void MPV_motion_lowres(MpegEncContext *s,
|
|
uint8_t *dest_y, uint8_t *dest_cb,
|
|
uint8_t *dest_cr,
|
|
int dir, uint8_t **ref_picture,
|
|
h264_chroma_mc_func *pix_op)
|
|
{
|
|
int mx, my;
|
|
int mb_x, mb_y, i;
|
|
const int lowres = s->avctx->lowres;
|
|
const int block_s = 8 >>lowres;
|
|
|
|
mb_x = s->mb_x;
|
|
mb_y = s->mb_y;
|
|
|
|
switch (s->mv_type) {
|
|
case MV_TYPE_16X16:
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
0, 0, 0,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1],
|
|
2 * block_s, mb_y);
|
|
break;
|
|
case MV_TYPE_8X8:
|
|
mx = 0;
|
|
my = 0;
|
|
for (i = 0; i < 4; i++) {
|
|
hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) *
|
|
s->linesize) * block_s,
|
|
ref_picture[0], 0, 0,
|
|
(2 * mb_x + (i & 1)) * block_s,
|
|
(2 * mb_y + (i >> 1)) * block_s,
|
|
s->width, s->height, s->linesize,
|
|
s->h_edge_pos >> lowres, s->v_edge_pos >> lowres,
|
|
block_s, block_s, pix_op,
|
|
s->mv[dir][i][0], s->mv[dir][i][1]);
|
|
|
|
mx += s->mv[dir][i][0];
|
|
my += s->mv[dir][i][1];
|
|
}
|
|
|
|
if (!CONFIG_GRAY || !(s->flags & CODEC_FLAG_GRAY))
|
|
chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture,
|
|
pix_op, mx, my);
|
|
break;
|
|
case MV_TYPE_FIELD:
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
/* top field */
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
1, 0, s->field_select[dir][0],
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0], s->mv[dir][0][1],
|
|
block_s, mb_y);
|
|
/* bottom field */
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
1, 1, s->field_select[dir][1],
|
|
ref_picture, pix_op,
|
|
s->mv[dir][1][0], s->mv[dir][1][1],
|
|
block_s, mb_y);
|
|
} else {
|
|
if (s->picture_structure != s->field_select[dir][0] + 1 &&
|
|
s->pict_type != AV_PICTURE_TYPE_B && !s->first_field) {
|
|
ref_picture = s->current_picture_ptr->f.data;
|
|
|
|
}
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
0, 0, s->field_select[dir][0],
|
|
ref_picture, pix_op,
|
|
s->mv[dir][0][0],
|
|
s->mv[dir][0][1], 2 * block_s, mb_y >> 1);
|
|
}
|
|
break;
|
|
case MV_TYPE_16X8:
|
|
for (i = 0; i < 2; i++) {
|
|
uint8_t **ref2picture;
|
|
|
|
if (s->picture_structure == s->field_select[dir][i] + 1 ||
|
|
s->pict_type == AV_PICTURE_TYPE_B || s->first_field) {
|
|
ref2picture = ref_picture;
|
|
} else {
|
|
ref2picture = s->current_picture_ptr->f.data;
|
|
}
|
|
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
0, 0, s->field_select[dir][i],
|
|
ref2picture, pix_op,
|
|
s->mv[dir][i][0], s->mv[dir][i][1] +
|
|
2 * block_s * i, block_s, mb_y >> 1);
|
|
|
|
dest_y += 2 * block_s * s->linesize;
|
|
dest_cb += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize;
|
|
dest_cr += (2 * block_s >> s->chroma_y_shift) * s->uvlinesize;
|
|
}
|
|
break;
|
|
case MV_TYPE_DMV:
|
|
if (s->picture_structure == PICT_FRAME) {
|
|
for (i = 0; i < 2; i++) {
|
|
int j;
|
|
for (j = 0; j < 2; j++) {
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
1, j, j ^ i,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][2 * i + j][0],
|
|
s->mv[dir][2 * i + j][1],
|
|
block_s, mb_y);
|
|
}
|
|
pix_op = s->h264chroma.avg_h264_chroma_pixels_tab;
|
|
}
|
|
} else {
|
|
for (i = 0; i < 2; i++) {
|
|
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr,
|
|
0, 0, s->picture_structure != i + 1,
|
|
ref_picture, pix_op,
|
|
s->mv[dir][2 * i][0],s->mv[dir][2 * i][1],
|
|
2 * block_s, mb_y >> 1);
|
|
|
|
// after put we make avg of the same block
|
|
pix_op = s->h264chroma.avg_h264_chroma_pixels_tab;
|
|
|
|
// opposite parity is always in the same
|
|
// frame if this is second field
|
|
if (!s->first_field) {
|
|
ref_picture = s->current_picture_ptr->f.data;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
av_assert2(0);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* find the lowest MB row referenced in the MVs
|
|
*/
|
|
int ff_MPV_lowest_referenced_row(MpegEncContext *s, int dir)
|
|
{
|
|
int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample;
|
|
int my, off, i, mvs;
|
|
|
|
if (s->picture_structure != PICT_FRAME || s->mcsel)
|
|
goto unhandled;
|
|
|
|
switch (s->mv_type) {
|
|
case MV_TYPE_16X16:
|
|
mvs = 1;
|
|
break;
|
|
case MV_TYPE_16X8:
|
|
mvs = 2;
|
|
break;
|
|
case MV_TYPE_8X8:
|
|
mvs = 4;
|
|
break;
|
|
default:
|
|
goto unhandled;
|
|
}
|
|
|
|
for (i = 0; i < mvs; i++) {
|
|
my = s->mv[dir][i][1]<<qpel_shift;
|
|
my_max = FFMAX(my_max, my);
|
|
my_min = FFMIN(my_min, my);
|
|
}
|
|
|
|
off = (FFMAX(-my_min, my_max) + 63) >> 6;
|
|
|
|
return FFMIN(FFMAX(s->mb_y + off, 0), s->mb_height-1);
|
|
unhandled:
|
|
return s->mb_height-1;
|
|
}
|
|
|
|
/* put block[] to dest[] */
|
|
static inline void put_dct(MpegEncContext *s,
|
|
int16_t *block, int i, uint8_t *dest, int line_size, int qscale)
|
|
{
|
|
s->dct_unquantize_intra(s, block, i, qscale);
|
|
s->dsp.idct_put (dest, line_size, block);
|
|
}
|
|
|
|
/* add block[] to dest[] */
|
|
static inline void add_dct(MpegEncContext *s,
|
|
int16_t *block, int i, uint8_t *dest, int line_size)
|
|
{
|
|
if (s->block_last_index[i] >= 0) {
|
|
s->dsp.idct_add (dest, line_size, block);
|
|
}
|
|
}
|
|
|
|
static inline void add_dequant_dct(MpegEncContext *s,
|
|
int16_t *block, int i, uint8_t *dest, int line_size, int qscale)
|
|
{
|
|
if (s->block_last_index[i] >= 0) {
|
|
s->dct_unquantize_inter(s, block, i, qscale);
|
|
|
|
s->dsp.idct_add (dest, line_size, block);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clean dc, ac, coded_block for the current non-intra MB.
|
|
*/
|
|
void ff_clean_intra_table_entries(MpegEncContext *s)
|
|
{
|
|
int wrap = s->b8_stride;
|
|
int xy = s->block_index[0];
|
|
|
|
s->dc_val[0][xy ] =
|
|
s->dc_val[0][xy + 1 ] =
|
|
s->dc_val[0][xy + wrap] =
|
|
s->dc_val[0][xy + 1 + wrap] = 1024;
|
|
/* ac pred */
|
|
memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t));
|
|
memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t));
|
|
if (s->msmpeg4_version>=3) {
|
|
s->coded_block[xy ] =
|
|
s->coded_block[xy + 1 ] =
|
|
s->coded_block[xy + wrap] =
|
|
s->coded_block[xy + 1 + wrap] = 0;
|
|
}
|
|
/* chroma */
|
|
wrap = s->mb_stride;
|
|
xy = s->mb_x + s->mb_y * wrap;
|
|
s->dc_val[1][xy] =
|
|
s->dc_val[2][xy] = 1024;
|
|
/* ac pred */
|
|
memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t));
|
|
memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t));
|
|
|
|
s->mbintra_table[xy]= 0;
|
|
}
|
|
|
|
/* generic function called after a macroblock has been parsed by the
|
|
decoder or after it has been encoded by the encoder.
|
|
|
|
Important variables used:
|
|
s->mb_intra : true if intra macroblock
|
|
s->mv_dir : motion vector direction
|
|
s->mv_type : motion vector type
|
|
s->mv : motion vector
|
|
s->interlaced_dct : true if interlaced dct used (mpeg2)
|
|
*/
|
|
static av_always_inline
|
|
void MPV_decode_mb_internal(MpegEncContext *s, int16_t block[12][64],
|
|
int lowres_flag, int is_mpeg12)
|
|
{
|
|
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
|
|
if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){
|
|
ff_xvmc_decode_mb(s);//xvmc uses pblocks
|
|
return;
|
|
}
|
|
|
|
if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
|
|
/* print DCT coefficients */
|
|
int i,j;
|
|
av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y);
|
|
for(i=0; i<6; i++){
|
|
for(j=0; j<64; j++){
|
|
av_log(s->avctx, AV_LOG_DEBUG, "%5d", block[i][s->dsp.idct_permutation[j]]);
|
|
}
|
|
av_log(s->avctx, AV_LOG_DEBUG, "\n");
|
|
}
|
|
}
|
|
|
|
s->current_picture.qscale_table[mb_xy] = s->qscale;
|
|
|
|
/* update DC predictors for P macroblocks */
|
|
if (!s->mb_intra) {
|
|
if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) {
|
|
if(s->mbintra_table[mb_xy])
|
|
ff_clean_intra_table_entries(s);
|
|
} else {
|
|
s->last_dc[0] =
|
|
s->last_dc[1] =
|
|
s->last_dc[2] = 128 << s->intra_dc_precision;
|
|
}
|
|
}
|
|
else if (!is_mpeg12 && (s->h263_pred || s->h263_aic))
|
|
s->mbintra_table[mb_xy]=1;
|
|
|
|
if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==AV_PICTURE_TYPE_B) && s->avctx->mb_decision != FF_MB_DECISION_RD)) { //FIXME precalc
|
|
uint8_t *dest_y, *dest_cb, *dest_cr;
|
|
int dct_linesize, dct_offset;
|
|
op_pixels_func (*op_pix)[4];
|
|
qpel_mc_func (*op_qpix)[16];
|
|
const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics
|
|
const int uvlinesize = s->current_picture.f.linesize[1];
|
|
const int readable= s->pict_type != AV_PICTURE_TYPE_B || s->encoding || s->avctx->draw_horiz_band || lowres_flag;
|
|
const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8;
|
|
|
|
/* avoid copy if macroblock skipped in last frame too */
|
|
/* skip only during decoding as we might trash the buffers during encoding a bit */
|
|
if(!s->encoding){
|
|
uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy];
|
|
|
|
if (s->mb_skipped) {
|
|
s->mb_skipped= 0;
|
|
av_assert2(s->pict_type!=AV_PICTURE_TYPE_I);
|
|
*mbskip_ptr = 1;
|
|
} else if(!s->current_picture.reference) {
|
|
*mbskip_ptr = 1;
|
|
} else{
|
|
*mbskip_ptr = 0; /* not skipped */
|
|
}
|
|
}
|
|
|
|
dct_linesize = linesize << s->interlaced_dct;
|
|
dct_offset = s->interlaced_dct ? linesize : linesize * block_size;
|
|
|
|
if(readable){
|
|
dest_y= s->dest[0];
|
|
dest_cb= s->dest[1];
|
|
dest_cr= s->dest[2];
|
|
}else{
|
|
dest_y = s->b_scratchpad;
|
|
dest_cb= s->b_scratchpad+16*linesize;
|
|
dest_cr= s->b_scratchpad+32*linesize;
|
|
}
|
|
|
|
if (!s->mb_intra) {
|
|
/* motion handling */
|
|
/* decoding or more than one mb_type (MC was already done otherwise) */
|
|
if(!s->encoding){
|
|
|
|
if(HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_FRAME) {
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
ff_thread_await_progress(&s->last_picture_ptr->tf,
|
|
ff_MPV_lowest_referenced_row(s, 0),
|
|
0);
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
ff_thread_await_progress(&s->next_picture_ptr->tf,
|
|
ff_MPV_lowest_referenced_row(s, 1),
|
|
0);
|
|
}
|
|
}
|
|
|
|
if(lowres_flag){
|
|
h264_chroma_mc_func *op_pix = s->h264chroma.put_h264_chroma_pixels_tab;
|
|
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix);
|
|
op_pix = s->h264chroma.avg_h264_chroma_pixels_tab;
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix);
|
|
}
|
|
}else{
|
|
op_qpix= s->me.qpel_put;
|
|
if ((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){
|
|
op_pix = s->hdsp.put_pixels_tab;
|
|
}else{
|
|
op_pix = s->hdsp.put_no_rnd_pixels_tab;
|
|
}
|
|
if (s->mv_dir & MV_DIR_FORWARD) {
|
|
ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.f.data, op_pix, op_qpix);
|
|
op_pix = s->hdsp.avg_pixels_tab;
|
|
op_qpix= s->me.qpel_avg;
|
|
}
|
|
if (s->mv_dir & MV_DIR_BACKWARD) {
|
|
ff_MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.f.data, op_pix, op_qpix);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* skip dequant / idct if we are really late ;) */
|
|
if(s->avctx->skip_idct){
|
|
if( (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == AV_PICTURE_TYPE_B)
|
|
||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != AV_PICTURE_TYPE_I)
|
|
|| s->avctx->skip_idct >= AVDISCARD_ALL)
|
|
goto skip_idct;
|
|
}
|
|
|
|
/* add dct residue */
|
|
if(s->encoding || !( s->msmpeg4_version || s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO
|
|
|| (s->codec_id==AV_CODEC_ID_MPEG4 && !s->mpeg_quant))){
|
|
add_dequant_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale);
|
|
add_dequant_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale);
|
|
add_dequant_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
|
|
add_dequant_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
|
|
|
|
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
|
|
if (s->chroma_y_shift){
|
|
add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
|
|
add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
|
|
}else{
|
|
dct_linesize >>= 1;
|
|
dct_offset >>=1;
|
|
add_dequant_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale);
|
|
add_dequant_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale);
|
|
add_dequant_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale);
|
|
add_dequant_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale);
|
|
}
|
|
}
|
|
} else if(is_mpeg12 || (s->codec_id != AV_CODEC_ID_WMV2)){
|
|
add_dct(s, block[0], 0, dest_y , dct_linesize);
|
|
add_dct(s, block[1], 1, dest_y + block_size, dct_linesize);
|
|
add_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize);
|
|
add_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize);
|
|
|
|
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
|
|
if(s->chroma_y_shift){//Chroma420
|
|
add_dct(s, block[4], 4, dest_cb, uvlinesize);
|
|
add_dct(s, block[5], 5, dest_cr, uvlinesize);
|
|
}else{
|
|
//chroma422
|
|
dct_linesize = uvlinesize << s->interlaced_dct;
|
|
dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize*block_size;
|
|
|
|
add_dct(s, block[4], 4, dest_cb, dct_linesize);
|
|
add_dct(s, block[5], 5, dest_cr, dct_linesize);
|
|
add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize);
|
|
add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize);
|
|
if(!s->chroma_x_shift){//Chroma444
|
|
add_dct(s, block[8], 8, dest_cb+block_size, dct_linesize);
|
|
add_dct(s, block[9], 9, dest_cr+block_size, dct_linesize);
|
|
add_dct(s, block[10], 10, dest_cb+block_size+dct_offset, dct_linesize);
|
|
add_dct(s, block[11], 11, dest_cr+block_size+dct_offset, dct_linesize);
|
|
}
|
|
}
|
|
}//fi gray
|
|
}
|
|
else if (CONFIG_WMV2_DECODER || CONFIG_WMV2_ENCODER) {
|
|
ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr);
|
|
}
|
|
} else {
|
|
/* dct only in intra block */
|
|
if(s->encoding || !(s->codec_id==AV_CODEC_ID_MPEG1VIDEO || s->codec_id==AV_CODEC_ID_MPEG2VIDEO)){
|
|
put_dct(s, block[0], 0, dest_y , dct_linesize, s->qscale);
|
|
put_dct(s, block[1], 1, dest_y + block_size, dct_linesize, s->qscale);
|
|
put_dct(s, block[2], 2, dest_y + dct_offset , dct_linesize, s->qscale);
|
|
put_dct(s, block[3], 3, dest_y + dct_offset + block_size, dct_linesize, s->qscale);
|
|
|
|
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
|
|
if(s->chroma_y_shift){
|
|
put_dct(s, block[4], 4, dest_cb, uvlinesize, s->chroma_qscale);
|
|
put_dct(s, block[5], 5, dest_cr, uvlinesize, s->chroma_qscale);
|
|
}else{
|
|
dct_offset >>=1;
|
|
dct_linesize >>=1;
|
|
put_dct(s, block[4], 4, dest_cb, dct_linesize, s->chroma_qscale);
|
|
put_dct(s, block[5], 5, dest_cr, dct_linesize, s->chroma_qscale);
|
|
put_dct(s, block[6], 6, dest_cb + dct_offset, dct_linesize, s->chroma_qscale);
|
|
put_dct(s, block[7], 7, dest_cr + dct_offset, dct_linesize, s->chroma_qscale);
|
|
}
|
|
}
|
|
}else{
|
|
s->dsp.idct_put(dest_y , dct_linesize, block[0]);
|
|
s->dsp.idct_put(dest_y + block_size, dct_linesize, block[1]);
|
|
s->dsp.idct_put(dest_y + dct_offset , dct_linesize, block[2]);
|
|
s->dsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]);
|
|
|
|
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
|
|
if(s->chroma_y_shift){
|
|
s->dsp.idct_put(dest_cb, uvlinesize, block[4]);
|
|
s->dsp.idct_put(dest_cr, uvlinesize, block[5]);
|
|
}else{
|
|
|
|
dct_linesize = uvlinesize << s->interlaced_dct;
|
|
dct_offset = s->interlaced_dct? uvlinesize : uvlinesize*block_size;
|
|
|
|
s->dsp.idct_put(dest_cb, dct_linesize, block[4]);
|
|
s->dsp.idct_put(dest_cr, dct_linesize, block[5]);
|
|
s->dsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]);
|
|
s->dsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]);
|
|
if(!s->chroma_x_shift){//Chroma444
|
|
s->dsp.idct_put(dest_cb + block_size, dct_linesize, block[8]);
|
|
s->dsp.idct_put(dest_cr + block_size, dct_linesize, block[9]);
|
|
s->dsp.idct_put(dest_cb + block_size + dct_offset, dct_linesize, block[10]);
|
|
s->dsp.idct_put(dest_cr + block_size + dct_offset, dct_linesize, block[11]);
|
|
}
|
|
}
|
|
}//gray
|
|
}
|
|
}
|
|
skip_idct:
|
|
if(!readable){
|
|
s->hdsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16);
|
|
s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift);
|
|
s->hdsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[2], dest_cr, uvlinesize,16 >> s->chroma_y_shift);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ff_MPV_decode_mb(MpegEncContext *s, int16_t block[12][64]){
|
|
#if !CONFIG_SMALL
|
|
if(s->out_format == FMT_MPEG1) {
|
|
if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 1);
|
|
else MPV_decode_mb_internal(s, block, 0, 1);
|
|
} else
|
|
#endif
|
|
if(s->avctx->lowres) MPV_decode_mb_internal(s, block, 1, 0);
|
|
else MPV_decode_mb_internal(s, block, 0, 0);
|
|
}
|
|
|
|
/**
|
|
* @param h is the normal height, this will be reduced automatically if needed for the last row
|
|
*/
|
|
void ff_draw_horiz_band(AVCodecContext *avctx, DSPContext *dsp, Picture *cur,
|
|
Picture *last, int y, int h, int picture_structure,
|
|
int first_field, int draw_edges, int low_delay,
|
|
int v_edge_pos, int h_edge_pos)
|
|
{
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
|
|
int hshift = desc->log2_chroma_w;
|
|
int vshift = desc->log2_chroma_h;
|
|
const int field_pic = picture_structure != PICT_FRAME;
|
|
if(field_pic){
|
|
h <<= 1;
|
|
y <<= 1;
|
|
}
|
|
|
|
if (!avctx->hwaccel &&
|
|
!(avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) &&
|
|
draw_edges &&
|
|
cur->reference &&
|
|
!(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
|
|
int *linesize = cur->f.linesize;
|
|
int sides = 0, edge_h;
|
|
if (y==0) sides |= EDGE_TOP;
|
|
if (y + h >= v_edge_pos)
|
|
sides |= EDGE_BOTTOM;
|
|
|
|
edge_h= FFMIN(h, v_edge_pos - y);
|
|
|
|
dsp->draw_edges(cur->f.data[0] + y * linesize[0],
|
|
linesize[0], h_edge_pos, edge_h,
|
|
EDGE_WIDTH, EDGE_WIDTH, sides);
|
|
dsp->draw_edges(cur->f.data[1] + (y >> vshift) * linesize[1],
|
|
linesize[1], h_edge_pos >> hshift, edge_h >> vshift,
|
|
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, sides);
|
|
dsp->draw_edges(cur->f.data[2] + (y >> vshift) * linesize[2],
|
|
linesize[2], h_edge_pos >> hshift, edge_h >> vshift,
|
|
EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift, sides);
|
|
}
|
|
|
|
h = FFMIN(h, avctx->height - y);
|
|
|
|
if(field_pic && first_field && !(avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return;
|
|
|
|
if (avctx->draw_horiz_band) {
|
|
AVFrame *src;
|
|
int offset[AV_NUM_DATA_POINTERS];
|
|
int i;
|
|
|
|
if(cur->f.pict_type == AV_PICTURE_TYPE_B || low_delay ||
|
|
(avctx->slice_flags & SLICE_FLAG_CODED_ORDER))
|
|
src = &cur->f;
|
|
else if (last)
|
|
src = &last->f;
|
|
else
|
|
return;
|
|
|
|
if (cur->f.pict_type == AV_PICTURE_TYPE_B &&
|
|
picture_structure == PICT_FRAME &&
|
|
avctx->codec_id != AV_CODEC_ID_SVQ3) {
|
|
for (i = 0; i < AV_NUM_DATA_POINTERS; i++)
|
|
offset[i] = 0;
|
|
}else{
|
|
offset[0]= y * src->linesize[0];
|
|
offset[1]=
|
|
offset[2]= (y >> vshift) * src->linesize[1];
|
|
for (i = 3; i < AV_NUM_DATA_POINTERS; i++)
|
|
offset[i] = 0;
|
|
}
|
|
|
|
emms_c();
|
|
|
|
avctx->draw_horiz_band(avctx, src, offset,
|
|
y, picture_structure, h);
|
|
}
|
|
}
|
|
|
|
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
|
|
{
|
|
int draw_edges = s->unrestricted_mv && !s->intra_only;
|
|
ff_draw_horiz_band(s->avctx, &s->dsp, s->current_picture_ptr,
|
|
s->last_picture_ptr, y, h, s->picture_structure,
|
|
s->first_field, draw_edges, s->low_delay,
|
|
s->v_edge_pos, s->h_edge_pos);
|
|
}
|
|
|
|
void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
|
|
const int linesize = s->current_picture.f.linesize[0]; //not s->linesize as this would be wrong for field pics
|
|
const int uvlinesize = s->current_picture.f.linesize[1];
|
|
const int mb_size= 4 - s->avctx->lowres;
|
|
|
|
s->block_index[0]= s->b8_stride*(s->mb_y*2 ) - 2 + s->mb_x*2;
|
|
s->block_index[1]= s->b8_stride*(s->mb_y*2 ) - 1 + s->mb_x*2;
|
|
s->block_index[2]= s->b8_stride*(s->mb_y*2 + 1) - 2 + s->mb_x*2;
|
|
s->block_index[3]= s->b8_stride*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
|
|
s->block_index[4]= s->mb_stride*(s->mb_y + 1) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
|
|
s->block_index[5]= s->mb_stride*(s->mb_y + s->mb_height + 2) + s->b8_stride*s->mb_height*2 + s->mb_x - 1;
|
|
//block_index is not used by mpeg2, so it is not affected by chroma_format
|
|
|
|
s->dest[0] = s->current_picture.f.data[0] + ((s->mb_x - 1) << mb_size);
|
|
s->dest[1] = s->current_picture.f.data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
|
|
s->dest[2] = s->current_picture.f.data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
|
|
|
|
if(!(s->pict_type==AV_PICTURE_TYPE_B && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME))
|
|
{
|
|
if(s->picture_structure==PICT_FRAME){
|
|
s->dest[0] += s->mb_y * linesize << mb_size;
|
|
s->dest[1] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift);
|
|
s->dest[2] += s->mb_y * uvlinesize << (mb_size - s->chroma_y_shift);
|
|
}else{
|
|
s->dest[0] += (s->mb_y>>1) * linesize << mb_size;
|
|
s->dest[1] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift);
|
|
s->dest[2] += (s->mb_y>>1) * uvlinesize << (mb_size - s->chroma_y_shift);
|
|
av_assert1((s->mb_y&1) == (s->picture_structure == PICT_BOTTOM_FIELD));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Permute an 8x8 block.
|
|
* @param block the block which will be permuted according to the given permutation vector
|
|
* @param permutation the permutation vector
|
|
* @param last the last non zero coefficient in scantable order, used to speed the permutation up
|
|
* @param scantable the used scantable, this is only used to speed the permutation up, the block is not
|
|
* (inverse) permutated to scantable order!
|
|
*/
|
|
void ff_block_permute(int16_t *block, uint8_t *permutation, const uint8_t *scantable, int last)
|
|
{
|
|
int i;
|
|
int16_t temp[64];
|
|
|
|
if(last<=0) return;
|
|
//if(permutation[1]==1) return; //FIXME it is ok but not clean and might fail for some permutations
|
|
|
|
for(i=0; i<=last; i++){
|
|
const int j= scantable[i];
|
|
temp[j]= block[j];
|
|
block[j]=0;
|
|
}
|
|
|
|
for(i=0; i<=last; i++){
|
|
const int j= scantable[i];
|
|
const int perm_j= permutation[j];
|
|
block[perm_j]= temp[j];
|
|
}
|
|
}
|
|
|
|
void ff_mpeg_flush(AVCodecContext *avctx){
|
|
int i;
|
|
MpegEncContext *s = avctx->priv_data;
|
|
|
|
if(s==NULL || s->picture==NULL)
|
|
return;
|
|
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++)
|
|
ff_mpeg_unref_picture(s, &s->picture[i]);
|
|
s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL;
|
|
|
|
ff_mpeg_unref_picture(s, &s->current_picture);
|
|
ff_mpeg_unref_picture(s, &s->last_picture);
|
|
ff_mpeg_unref_picture(s, &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;
|
|
}
|
|
|
|
static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
|
|
nCoeffs= s->block_last_index[n];
|
|
|
|
block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
|
|
/* XXX: only mpeg1 */
|
|
quant_matrix = s->intra_matrix;
|
|
for(i=1;i<=nCoeffs;i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
level = (level - 1) | 1;
|
|
level = -level;
|
|
} else {
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
level = (level - 1) | 1;
|
|
}
|
|
block[j] = level;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
|
|
nCoeffs= s->block_last_index[n];
|
|
|
|
quant_matrix = s->inter_matrix;
|
|
for(i=0; i<=nCoeffs; i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
level = (level - 1) | 1;
|
|
level = -level;
|
|
} else {
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
level = (level - 1) | 1;
|
|
}
|
|
block[j] = level;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
|
|
if(s->alternate_scan) nCoeffs= 63;
|
|
else nCoeffs= s->block_last_index[n];
|
|
|
|
block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
|
|
quant_matrix = s->intra_matrix;
|
|
for(i=1;i<=nCoeffs;i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
level = -level;
|
|
} else {
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
}
|
|
block[j] = level;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
int sum=-1;
|
|
|
|
if(s->alternate_scan) nCoeffs= 63;
|
|
else nCoeffs= s->block_last_index[n];
|
|
|
|
block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
|
|
sum += block[0];
|
|
quant_matrix = s->intra_matrix;
|
|
for(i=1;i<=nCoeffs;i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
level = -level;
|
|
} else {
|
|
level = (int)(level * qscale * quant_matrix[j]) >> 3;
|
|
}
|
|
block[j] = level;
|
|
sum+=level;
|
|
}
|
|
}
|
|
block[63]^=sum&1;
|
|
}
|
|
|
|
static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
int sum=-1;
|
|
|
|
if(s->alternate_scan) nCoeffs= 63;
|
|
else nCoeffs= s->block_last_index[n];
|
|
|
|
quant_matrix = s->inter_matrix;
|
|
for(i=0; i<=nCoeffs; i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
level = -level;
|
|
} else {
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
}
|
|
block[j] = level;
|
|
sum+=level;
|
|
}
|
|
}
|
|
block[63]^=sum&1;
|
|
}
|
|
|
|
static void dct_unquantize_h263_intra_c(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, qmul, qadd;
|
|
int nCoeffs;
|
|
|
|
av_assert2(s->block_last_index[n]>=0 || s->h263_aic);
|
|
|
|
qmul = qscale << 1;
|
|
|
|
if (!s->h263_aic) {
|
|
block[0] *= n < 4 ? s->y_dc_scale : s->c_dc_scale;
|
|
qadd = (qscale - 1) | 1;
|
|
}else{
|
|
qadd = 0;
|
|
}
|
|
if(s->ac_pred)
|
|
nCoeffs=63;
|
|
else
|
|
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
|
|
|
|
for(i=1; i<=nCoeffs; i++) {
|
|
level = block[i];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = level * qmul - qadd;
|
|
} else {
|
|
level = level * qmul + qadd;
|
|
}
|
|
block[i] = level;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dct_unquantize_h263_inter_c(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, qmul, qadd;
|
|
int nCoeffs;
|
|
|
|
av_assert2(s->block_last_index[n]>=0);
|
|
|
|
qadd = (qscale - 1) | 1;
|
|
qmul = qscale << 1;
|
|
|
|
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
|
|
|
|
for(i=0; i<=nCoeffs; i++) {
|
|
level = block[i];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = level * qmul - qadd;
|
|
} else {
|
|
level = level * qmul + qadd;
|
|
}
|
|
block[i] = level;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* set qscale and update qscale dependent variables.
|
|
*/
|
|
void ff_set_qscale(MpegEncContext * s, int qscale)
|
|
{
|
|
if (qscale < 1)
|
|
qscale = 1;
|
|
else if (qscale > 31)
|
|
qscale = 31;
|
|
|
|
s->qscale = qscale;
|
|
s->chroma_qscale= s->chroma_qscale_table[qscale];
|
|
|
|
s->y_dc_scale= s->y_dc_scale_table[ qscale ];
|
|
s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ];
|
|
}
|
|
|
|
void ff_MPV_report_decode_progress(MpegEncContext *s)
|
|
{
|
|
if (s->pict_type != AV_PICTURE_TYPE_B && !s->partitioned_frame && !s->er.error_occurred)
|
|
ff_thread_report_progress(&s->current_picture_ptr->tf, s->mb_y, 0);
|
|
}
|
|
|
|
#if CONFIG_ERROR_RESILIENCE
|
|
void ff_mpeg_er_frame_start(MpegEncContext *s)
|
|
{
|
|
ERContext *er = &s->er;
|
|
|
|
er->cur_pic = s->current_picture_ptr;
|
|
er->last_pic = s->last_picture_ptr;
|
|
er->next_pic = s->next_picture_ptr;
|
|
|
|
er->pp_time = s->pp_time;
|
|
er->pb_time = s->pb_time;
|
|
er->quarter_sample = s->quarter_sample;
|
|
er->partitioned_frame = s->partitioned_frame;
|
|
|
|
ff_er_frame_start(er);
|
|
}
|
|
#endif /* CONFIG_ERROR_RESILIENCE */
|