mirror of https://git.ffmpeg.org/ffmpeg.git
2480 lines
84 KiB
C
2480 lines
84 KiB
C
/*
|
|
* The simplest mpeg encoder (well, it was the simplest!)
|
|
* Copyright (c) 2000,2001 Fabrice Bellard
|
|
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* The simplest mpeg encoder (well, it was the simplest!).
|
|
*/
|
|
|
|
#include "libavutil/attributes.h"
|
|
#include "libavutil/avassert.h"
|
|
#include "libavutil/imgutils.h"
|
|
#include "libavutil/internal.h"
|
|
#include "libavutil/timer.h"
|
|
#include "avcodec.h"
|
|
#include "blockdsp.h"
|
|
#include "idctdsp.h"
|
|
#include "internal.h"
|
|
#include "mathops.h"
|
|
#include "mpegutils.h"
|
|
#include "mpegvideo.h"
|
|
#include "mjpegenc.h"
|
|
#include "msmpeg4.h"
|
|
#include "qpeldsp.h"
|
|
#include "xvmc_internal.h"
|
|
#include "thread.h"
|
|
#include <limits.h>
|
|
|
|
static const uint8_t ff_default_chroma_qscale_table[32] = {
|
|
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
|
|
};
|
|
|
|
const uint8_t ff_mpeg1_dc_scale_table[128] = {
|
|
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
|
|
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
|
|
};
|
|
|
|
static const uint8_t mpeg2_dc_scale_table1[128] = {
|
|
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
|
|
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
|
|
};
|
|
|
|
static const uint8_t mpeg2_dc_scale_table2[128] = {
|
|
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
};
|
|
|
|
static const uint8_t mpeg2_dc_scale_table3[128] = {
|
|
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
};
|
|
|
|
const uint8_t *const ff_mpeg2_dc_scale_table[4] = {
|
|
ff_mpeg1_dc_scale_table,
|
|
mpeg2_dc_scale_table1,
|
|
mpeg2_dc_scale_table2,
|
|
mpeg2_dc_scale_table3,
|
|
};
|
|
|
|
const uint8_t ff_alternate_horizontal_scan[64] = {
|
|
0, 1, 2, 3, 8, 9, 16, 17,
|
|
10, 11, 4, 5, 6, 7, 15, 14,
|
|
13, 12, 19, 18, 24, 25, 32, 33,
|
|
26, 27, 20, 21, 22, 23, 28, 29,
|
|
30, 31, 34, 35, 40, 41, 48, 49,
|
|
42, 43, 36, 37, 38, 39, 44, 45,
|
|
46, 47, 50, 51, 56, 57, 58, 59,
|
|
52, 53, 54, 55, 60, 61, 62, 63,
|
|
};
|
|
|
|
const uint8_t ff_alternate_vertical_scan[64] = {
|
|
0, 8, 16, 24, 1, 9, 2, 10,
|
|
17, 25, 32, 40, 48, 56, 57, 49,
|
|
41, 33, 26, 18, 3, 11, 4, 12,
|
|
19, 27, 34, 42, 50, 58, 35, 43,
|
|
51, 59, 20, 28, 5, 13, 6, 14,
|
|
21, 29, 36, 44, 52, 60, 37, 45,
|
|
53, 61, 22, 30, 7, 15, 23, 31,
|
|
38, 46, 54, 62, 39, 47, 55, 63,
|
|
};
|
|
|
|
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];
|
|
|
|
if (n < 4)
|
|
block[0] = block[0] * s->y_dc_scale;
|
|
else
|
|
block[0] = block[0] * 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];
|
|
|
|
if (n < 4)
|
|
block[0] = block[0] * s->y_dc_scale;
|
|
else
|
|
block[0] = block[0] * 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];
|
|
|
|
if (n < 4)
|
|
block[0] = block[0] * s->y_dc_scale;
|
|
else
|
|
block[0] = block[0] * 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;
|
|
sum+=level;
|
|
}
|
|
}
|
|
block[63]^=sum&1;
|
|
}
|
|
|
|
static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, nCoeffs;
|
|
const uint16_t *quant_matrix;
|
|
int sum=-1;
|
|
|
|
if(s->alternate_scan) nCoeffs= 63;
|
|
else nCoeffs= s->block_last_index[n];
|
|
|
|
quant_matrix = s->inter_matrix;
|
|
for(i=0; i<=nCoeffs; i++) {
|
|
int j= s->intra_scantable.permutated[i];
|
|
level = block[j];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = -level;
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
level = -level;
|
|
} else {
|
|
level = (((level << 1) + 1) * qscale *
|
|
((int) (quant_matrix[j]))) >> 4;
|
|
}
|
|
block[j] = level;
|
|
sum+=level;
|
|
}
|
|
}
|
|
block[63]^=sum&1;
|
|
}
|
|
|
|
static void dct_unquantize_h263_intra_c(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, qmul, qadd;
|
|
int nCoeffs;
|
|
|
|
assert(s->block_last_index[n]>=0);
|
|
|
|
qmul = qscale << 1;
|
|
|
|
if (!s->h263_aic) {
|
|
if (n < 4)
|
|
block[0] = block[0] * s->y_dc_scale;
|
|
else
|
|
block[0] = block[0] * s->c_dc_scale;
|
|
qadd = (qscale - 1) | 1;
|
|
}else{
|
|
qadd = 0;
|
|
}
|
|
if(s->ac_pred)
|
|
nCoeffs=63;
|
|
else
|
|
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
|
|
|
|
for(i=1; i<=nCoeffs; i++) {
|
|
level = block[i];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = level * qmul - qadd;
|
|
} else {
|
|
level = level * qmul + qadd;
|
|
}
|
|
block[i] = level;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dct_unquantize_h263_inter_c(MpegEncContext *s,
|
|
int16_t *block, int n, int qscale)
|
|
{
|
|
int i, level, qmul, qadd;
|
|
int nCoeffs;
|
|
|
|
assert(s->block_last_index[n]>=0);
|
|
|
|
qadd = (qscale - 1) | 1;
|
|
qmul = qscale << 1;
|
|
|
|
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
|
|
|
|
for(i=0; i<=nCoeffs; i++) {
|
|
level = block[i];
|
|
if (level) {
|
|
if (level < 0) {
|
|
level = level * qmul - qadd;
|
|
} else {
|
|
level = level * qmul + qadd;
|
|
}
|
|
block[i] = level;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
|
|
int (*mv)[2][4][2],
|
|
int mb_x, int mb_y, int mb_intra, int mb_skipped)
|
|
{
|
|
MpegEncContext *s = opaque;
|
|
|
|
s->mv_dir = mv_dir;
|
|
s->mv_type = mv_type;
|
|
s->mb_intra = mb_intra;
|
|
s->mb_skipped = mb_skipped;
|
|
s->mb_x = mb_x;
|
|
s->mb_y = mb_y;
|
|
memcpy(s->mv, mv, sizeof(*mv));
|
|
|
|
ff_init_block_index(s);
|
|
ff_update_block_index(s);
|
|
|
|
s->bdsp.clear_blocks(s->block[0]);
|
|
|
|
s->dest[0] = s->current_picture.f->data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16;
|
|
s->dest[1] = s->current_picture.f->data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
|
|
s->dest[2] = s->current_picture.f->data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
|
|
|
|
assert(ref == 0);
|
|
ff_mpv_decode_mb(s, s->block);
|
|
}
|
|
|
|
/* init common dct for both encoder and decoder */
|
|
static av_cold int dct_init(MpegEncContext *s)
|
|
{
|
|
ff_blockdsp_init(&s->bdsp, s->avctx);
|
|
ff_hpeldsp_init(&s->hdsp, s->avctx->flags);
|
|
ff_me_cmp_init(&s->mecc, s->avctx);
|
|
ff_mpegvideodsp_init(&s->mdsp);
|
|
ff_videodsp_init(&s->vdsp, s->avctx->bits_per_raw_sample);
|
|
|
|
s->dct_unquantize_h263_intra = dct_unquantize_h263_intra_c;
|
|
s->dct_unquantize_h263_inter = dct_unquantize_h263_inter_c;
|
|
s->dct_unquantize_mpeg1_intra = dct_unquantize_mpeg1_intra_c;
|
|
s->dct_unquantize_mpeg1_inter = dct_unquantize_mpeg1_inter_c;
|
|
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_c;
|
|
if (s->flags & CODEC_FLAG_BITEXACT)
|
|
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact;
|
|
s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c;
|
|
|
|
if (HAVE_INTRINSICS_NEON)
|
|
ff_mpv_common_init_neon(s);
|
|
|
|
if (ARCH_ARM)
|
|
ff_mpv_common_init_arm(s);
|
|
if (ARCH_PPC)
|
|
ff_mpv_common_init_ppc(s);
|
|
if (ARCH_X86)
|
|
ff_mpv_common_init_x86(s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
av_cold void ff_mpv_idct_init(MpegEncContext *s)
|
|
{
|
|
ff_idctdsp_init(&s->idsp, s->avctx);
|
|
|
|
/* load & permutate scantables
|
|
* note: only wmv uses different ones
|
|
*/
|
|
if (s->alternate_scan) {
|
|
ff_init_scantable(s->idsp.idct_permutation, &s->inter_scantable, ff_alternate_vertical_scan);
|
|
ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_alternate_vertical_scan);
|
|
} else {
|
|
ff_init_scantable(s->idsp.idct_permutation, &s->inter_scantable, ff_zigzag_direct);
|
|
ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct);
|
|
}
|
|
ff_init_scantable(s->idsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan);
|
|
ff_init_scantable(s->idsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan);
|
|
}
|
|
|
|
static int frame_size_alloc(MpegEncContext *s, int linesize)
|
|
{
|
|
int alloc_size = FFALIGN(FFABS(linesize) + 32, 32);
|
|
|
|
// edge emu needs blocksize + filter length - 1
|
|
// (= 17x17 for halfpel / 21x21 for h264)
|
|
// VC1 computes luma and chroma simultaneously and needs 19X19 + 9x9
|
|
// at uvlinesize. It supports only YUV420 so 24x24 is enough
|
|
// linesize * interlaced * MBsize
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->edge_emu_buffer, alloc_size * 2 * 24,
|
|
fail);
|
|
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->me.scratchpad, alloc_size * 2 * 16 * 3,
|
|
fail)
|
|
s->me.temp = s->me.scratchpad;
|
|
s->rd_scratchpad = s->me.scratchpad;
|
|
s->b_scratchpad = s->me.scratchpad;
|
|
s->obmc_scratchpad = s->me.scratchpad + 16;
|
|
|
|
return 0;
|
|
fail:
|
|
av_freep(&s->edge_emu_buffer);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
/**
|
|
* Allocate a frame buffer
|
|
*/
|
|
static int alloc_frame_buffer(MpegEncContext *s, Picture *pic)
|
|
{
|
|
int edges_needed = av_codec_is_encoder(s->avctx->codec);
|
|
int r, ret;
|
|
|
|
pic->tf.f = pic->f;
|
|
if (s->codec_id != AV_CODEC_ID_WMV3IMAGE &&
|
|
s->codec_id != AV_CODEC_ID_VC1IMAGE &&
|
|
s->codec_id != AV_CODEC_ID_MSS2) {
|
|
if (edges_needed) {
|
|
pic->f->width = s->avctx->width + 2 * EDGE_WIDTH;
|
|
pic->f->height = s->avctx->height + 2 * EDGE_WIDTH;
|
|
}
|
|
|
|
r = ff_thread_get_buffer(s->avctx, &pic->tf,
|
|
pic->reference ? AV_GET_BUFFER_FLAG_REF : 0);
|
|
} else {
|
|
pic->f->width = s->avctx->width;
|
|
pic->f->height = s->avctx->height;
|
|
pic->f->format = s->avctx->pix_fmt;
|
|
r = avcodec_default_get_buffer2(s->avctx, pic->f, 0);
|
|
}
|
|
|
|
if (r < 0 || !pic->f->buf[0]) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %p)\n",
|
|
r, pic->f->data[0]);
|
|
return -1;
|
|
}
|
|
|
|
if (edges_needed) {
|
|
int i;
|
|
for (i = 0; pic->f->data[i]; i++) {
|
|
int offset = (EDGE_WIDTH >> (i ? s->chroma_y_shift : 0)) *
|
|
pic->f->linesize[i] +
|
|
(EDGE_WIDTH >> (i ? s->chroma_x_shift : 0));
|
|
pic->f->data[i] += offset;
|
|
}
|
|
pic->f->width = s->avctx->width;
|
|
pic->f->height = s->avctx->height;
|
|
}
|
|
|
|
if (s->avctx->hwaccel) {
|
|
assert(!pic->hwaccel_picture_private);
|
|
if (s->avctx->hwaccel->frame_priv_data_size) {
|
|
pic->hwaccel_priv_buf = av_buffer_allocz(s->avctx->hwaccel->frame_priv_data_size);
|
|
if (!pic->hwaccel_priv_buf) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "alloc_frame_buffer() failed (hwaccel private data allocation)\n");
|
|
return -1;
|
|
}
|
|
pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data;
|
|
}
|
|
}
|
|
|
|
if (s->linesize && (s->linesize != pic->f->linesize[0] ||
|
|
s->uvlinesize != pic->f->linesize[1])) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"get_buffer() failed (stride changed)\n");
|
|
ff_mpeg_unref_picture(s, pic);
|
|
return -1;
|
|
}
|
|
|
|
if (pic->f->linesize[1] != pic->f->linesize[2]) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"get_buffer() failed (uv stride mismatch)\n");
|
|
ff_mpeg_unref_picture(s, pic);
|
|
return -1;
|
|
}
|
|
|
|
if (!s->edge_emu_buffer &&
|
|
(ret = frame_size_alloc(s, pic->f->linesize[0])) < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR,
|
|
"get_buffer() failed to allocate context scratch buffers.\n");
|
|
ff_mpeg_unref_picture(s, pic);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void ff_free_picture_tables(Picture *pic)
|
|
{
|
|
int i;
|
|
|
|
av_buffer_unref(&pic->mb_var_buf);
|
|
av_buffer_unref(&pic->mc_mb_var_buf);
|
|
av_buffer_unref(&pic->mb_mean_buf);
|
|
av_buffer_unref(&pic->mbskip_table_buf);
|
|
av_buffer_unref(&pic->qscale_table_buf);
|
|
av_buffer_unref(&pic->mb_type_buf);
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
av_buffer_unref(&pic->motion_val_buf[i]);
|
|
av_buffer_unref(&pic->ref_index_buf[i]);
|
|
}
|
|
}
|
|
|
|
static int alloc_picture_tables(MpegEncContext *s, Picture *pic)
|
|
{
|
|
const int big_mb_num = s->mb_stride * (s->mb_height + 1) + 1;
|
|
const int mb_array_size = s->mb_stride * s->mb_height;
|
|
const int b8_array_size = s->b8_stride * s->mb_height * 2;
|
|
int i;
|
|
|
|
|
|
pic->mbskip_table_buf = av_buffer_allocz(mb_array_size + 2);
|
|
pic->qscale_table_buf = av_buffer_allocz(big_mb_num + s->mb_stride);
|
|
pic->mb_type_buf = av_buffer_allocz((big_mb_num + s->mb_stride) *
|
|
sizeof(uint32_t));
|
|
if (!pic->mbskip_table_buf || !pic->qscale_table_buf || !pic->mb_type_buf)
|
|
return AVERROR(ENOMEM);
|
|
|
|
if (s->encoding) {
|
|
pic->mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t));
|
|
pic->mc_mb_var_buf = av_buffer_allocz(mb_array_size * sizeof(int16_t));
|
|
pic->mb_mean_buf = av_buffer_allocz(mb_array_size);
|
|
if (!pic->mb_var_buf || !pic->mc_mb_var_buf || !pic->mb_mean_buf)
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
|
|
if (s->out_format == FMT_H263 || s->encoding) {
|
|
int mv_size = 2 * (b8_array_size + 4) * sizeof(int16_t);
|
|
int ref_index_size = 4 * mb_array_size;
|
|
|
|
for (i = 0; mv_size && i < 2; i++) {
|
|
pic->motion_val_buf[i] = av_buffer_allocz(mv_size);
|
|
pic->ref_index_buf[i] = av_buffer_allocz(ref_index_size);
|
|
if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i])
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int make_tables_writable(Picture *pic)
|
|
{
|
|
int ret, i;
|
|
#define MAKE_WRITABLE(table) \
|
|
do {\
|
|
if (pic->table &&\
|
|
(ret = av_buffer_make_writable(&pic->table)) < 0)\
|
|
return ret;\
|
|
} while (0)
|
|
|
|
MAKE_WRITABLE(mb_var_buf);
|
|
MAKE_WRITABLE(mc_mb_var_buf);
|
|
MAKE_WRITABLE(mb_mean_buf);
|
|
MAKE_WRITABLE(mbskip_table_buf);
|
|
MAKE_WRITABLE(qscale_table_buf);
|
|
MAKE_WRITABLE(mb_type_buf);
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
MAKE_WRITABLE(motion_val_buf[i]);
|
|
MAKE_WRITABLE(ref_index_buf[i]);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Allocate a Picture.
|
|
* The pixels are allocated/set by calling get_buffer() if shared = 0
|
|
*/
|
|
int ff_alloc_picture(MpegEncContext *s, Picture *pic, int shared)
|
|
{
|
|
int i, ret;
|
|
|
|
if (shared) {
|
|
assert(pic->f->data[0]);
|
|
pic->shared = 1;
|
|
} else {
|
|
assert(!pic->f->buf[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);
|
|
ff_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 if (pic->f)
|
|
av_frame_unref(pic->f);
|
|
|
|
av_buffer_unref(&pic->hwaccel_priv_buf);
|
|
|
|
if (pic->needs_realloc)
|
|
ff_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) {\
|
|
ff_free_picture_tables(dst);\
|
|
return AVERROR(ENOMEM);\
|
|
}\
|
|
}\
|
|
} while (0)
|
|
|
|
UPDATE_TABLE(mb_var_buf);
|
|
UPDATE_TABLE(mc_mb_var_buf);
|
|
UPDATE_TABLE(mb_mean_buf);
|
|
UPDATE_TABLE(mbskip_table_buf);
|
|
UPDATE_TABLE(qscale_table_buf);
|
|
UPDATE_TABLE(mb_type_buf);
|
|
for (i = 0; i < 2; i++) {
|
|
UPDATE_TABLE(motion_val_buf[i]);
|
|
UPDATE_TABLE(ref_index_buf[i]);
|
|
}
|
|
|
|
dst->mb_var = src->mb_var;
|
|
dst->mc_mb_var = src->mc_mb_var;
|
|
dst->mb_mean = src->mb_mean;
|
|
dst->mbskip_table = src->mbskip_table;
|
|
dst->qscale_table = src->qscale_table;
|
|
dst->mb_type = src->mb_type;
|
|
for (i = 0; i < 2; i++) {
|
|
dst->motion_val[i] = src->motion_val[i];
|
|
dst->ref_index[i] = src->ref_index[i];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_mpeg_ref_picture(MpegEncContext *s, Picture *dst, Picture *src)
|
|
{
|
|
int ret;
|
|
|
|
av_assert0(!dst->f->buf[0]);
|
|
av_assert0(src->f->buf[0]);
|
|
|
|
src->tf.f = src->f;
|
|
dst->tf.f = dst->f;
|
|
ret = ff_thread_ref_frame(&dst->tf, &src->tf);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
ret = update_picture_tables(dst, src);
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
if (src->hwaccel_picture_private) {
|
|
dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
|
|
if (!dst->hwaccel_priv_buf)
|
|
goto fail;
|
|
dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
|
|
}
|
|
|
|
dst->field_picture = src->field_picture;
|
|
dst->mb_var_sum = src->mb_var_sum;
|
|
dst->mc_mb_var_sum = src->mc_mb_var_sum;
|
|
dst->b_frame_score = src->b_frame_score;
|
|
dst->needs_realloc = src->needs_realloc;
|
|
dst->reference = src->reference;
|
|
dst->shared = src->shared;
|
|
|
|
return 0;
|
|
fail:
|
|
ff_mpeg_unref_picture(s, dst);
|
|
return ret;
|
|
}
|
|
|
|
static 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)
|
|
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 = 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 || !s1->context_initialized)
|
|
return 0;
|
|
|
|
// FIXME can parameters change on I-frames?
|
|
// in that case dst may need a reinit
|
|
if (!s->context_initialized) {
|
|
int err;
|
|
memcpy(s, s1, sizeof(MpegEncContext));
|
|
|
|
s->avctx = dst;
|
|
s->bitstream_buffer = NULL;
|
|
s->bitstream_buffer_size = s->allocated_bitstream_buffer_size = 0;
|
|
|
|
ff_mpv_idct_init(s);
|
|
if ((err = ff_mpv_common_init(s)) < 0)
|
|
return err;
|
|
}
|
|
|
|
if (s->height != s1->height || s->width != s1->width || s->context_reinit) {
|
|
int err;
|
|
s->context_reinit = 0;
|
|
s->height = s1->height;
|
|
s->width = s1->width;
|
|
if ((err = ff_mpv_common_frame_size_change(s)) < 0)
|
|
return err;
|
|
}
|
|
|
|
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;
|
|
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
ff_mpeg_unref_picture(s, &s->picture[i]);
|
|
if (s1->picture[i].f->buf[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->buf[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;
|
|
|
|
// MPEG4 timing info
|
|
memcpy(&s->last_time_base, &s1->last_time_base,
|
|
(char *) &s1->pb_field_time + sizeof(s1->pb_field_time) -
|
|
(char *) &s1->last_time_base);
|
|
|
|
// B-frame info
|
|
s->max_b_frames = s1->max_b_frames;
|
|
s->low_delay = s1->low_delay;
|
|
s->droppable = s1->droppable;
|
|
|
|
// DivX handling (doesn't work)
|
|
s->divx_packed = s1->divx_packed;
|
|
|
|
if (s1->bitstream_buffer) {
|
|
if (s1->bitstream_buffer_size +
|
|
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 (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");
|
|
return AVERROR_BUG;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Set the given MpegEncContext to common defaults
|
|
* (same for encoding and decoding).
|
|
* The changed fields will not depend upon the
|
|
* prior state of the MpegEncContext.
|
|
*/
|
|
void ff_mpv_common_defaults(MpegEncContext *s)
|
|
{
|
|
s->y_dc_scale_table =
|
|
s->c_dc_scale_table = ff_mpeg1_dc_scale_table;
|
|
s->chroma_qscale_table = ff_default_chroma_qscale_table;
|
|
s->progressive_frame = 1;
|
|
s->progressive_sequence = 1;
|
|
s->picture_structure = PICT_FRAME;
|
|
|
|
s->coded_picture_number = 0;
|
|
s->picture_number = 0;
|
|
|
|
s->f_code = 1;
|
|
s->b_code = 1;
|
|
|
|
s->slice_context_count = 1;
|
|
}
|
|
|
|
/**
|
|
* Set the given MpegEncContext to defaults for decoding.
|
|
* the changed fields will not depend upon
|
|
* the prior state of the MpegEncContext.
|
|
*/
|
|
void ff_mpv_decode_defaults(MpegEncContext *s)
|
|
{
|
|
ff_mpv_common_defaults(s);
|
|
}
|
|
|
|
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->mecc = &s->mecc;
|
|
|
|
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;
|
|
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;
|
|
|
|
dct_init(s);
|
|
|
|
s->flags = s->avctx->flags;
|
|
s->flags2 = s->avctx->flags2;
|
|
|
|
/* set chroma shifts */
|
|
av_pix_fmt_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);
|
|
|
|
FF_ALLOCZ_OR_GOTO(s->avctx, s->picture,
|
|
MAX_PICTURE_COUNT * sizeof(Picture), fail);
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
s->picture[i].f = av_frame_alloc();
|
|
if (!s->picture[i].f)
|
|
goto fail;
|
|
}
|
|
memset(&s->next_picture, 0, sizeof(s->next_picture));
|
|
memset(&s->last_picture, 0, sizeof(s->last_picture));
|
|
memset(&s->current_picture, 0, sizeof(s->current_picture));
|
|
memset(&s->new_picture, 0, sizeof(s->new_picture));
|
|
s->next_picture.f = av_frame_alloc();
|
|
if (!s->next_picture.f)
|
|
goto fail;
|
|
s->last_picture.f = av_frame_alloc();
|
|
if (!s->last_picture.f)
|
|
goto fail;
|
|
s->current_picture.f = av_frame_alloc();
|
|
if (!s->current_picture.f)
|
|
goto fail;
|
|
s->new_picture.f = av_frame_alloc();
|
|
if (!s->new_picture.f)
|
|
goto fail;
|
|
|
|
if (s->width && s->height) {
|
|
if (init_context_frame(s))
|
|
goto fail;
|
|
|
|
s->parse_context.state = -1;
|
|
}
|
|
|
|
s->context_initialized = 1;
|
|
s->thread_context[0] = s;
|
|
|
|
if (s->width && s->height) {
|
|
if (nb_slices > 1) {
|
|
for (i = 1; i < nb_slices; i++) {
|
|
s->thread_context[i] = av_malloc(sizeof(MpegEncContext));
|
|
memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
|
|
}
|
|
|
|
for (i = 0; i < nb_slices; i++) {
|
|
if (init_duplicate_context(s->thread_context[i]) < 0)
|
|
goto fail;
|
|
s->thread_context[i]->start_mb_y =
|
|
(s->mb_height * (i) + nb_slices / 2) / nb_slices;
|
|
s->thread_context[i]->end_mb_y =
|
|
(s->mb_height * (i + 1) + nb_slices / 2) / nb_slices;
|
|
}
|
|
} else {
|
|
if (init_duplicate_context(s) < 0)
|
|
goto fail;
|
|
s->start_mb_y = 0;
|
|
s->end_mb_y = s->mb_height;
|
|
}
|
|
s->slice_context_count = nb_slices;
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
ff_mpv_common_end(s);
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Frees and resets MpegEncContext fields depending on the resolution.
|
|
* Is used during resolution changes to avoid a full reinitialization of the
|
|
* codec.
|
|
*/
|
|
static int free_context_frame(MpegEncContext *s)
|
|
{
|
|
int i, j, k;
|
|
|
|
av_freep(&s->mb_type);
|
|
av_freep(&s->p_mv_table_base);
|
|
av_freep(&s->b_forw_mv_table_base);
|
|
av_freep(&s->b_back_mv_table_base);
|
|
av_freep(&s->b_bidir_forw_mv_table_base);
|
|
av_freep(&s->b_bidir_back_mv_table_base);
|
|
av_freep(&s->b_direct_mv_table_base);
|
|
s->p_mv_table = NULL;
|
|
s->b_forw_mv_table = NULL;
|
|
s->b_back_mv_table = NULL;
|
|
s->b_bidir_forw_mv_table = NULL;
|
|
s->b_bidir_back_mv_table = NULL;
|
|
s->b_direct_mv_table = NULL;
|
|
for (i = 0; i < 2; i++) {
|
|
for (j = 0; j < 2; j++) {
|
|
for (k = 0; k < 2; k++) {
|
|
av_freep(&s->b_field_mv_table_base[i][j][k]);
|
|
s->b_field_mv_table[i][j][k] = NULL;
|
|
}
|
|
av_freep(&s->b_field_select_table[i][j]);
|
|
av_freep(&s->p_field_mv_table_base[i][j]);
|
|
s->p_field_mv_table[i][j] = NULL;
|
|
}
|
|
av_freep(&s->p_field_select_table[i]);
|
|
}
|
|
|
|
av_freep(&s->dc_val_base);
|
|
av_freep(&s->coded_block_base);
|
|
av_freep(&s->mbintra_table);
|
|
av_freep(&s->cbp_table);
|
|
av_freep(&s->pred_dir_table);
|
|
|
|
av_freep(&s->mbskip_table);
|
|
|
|
av_freep(&s->er.error_status_table);
|
|
av_freep(&s->er.er_temp_buffer);
|
|
av_freep(&s->mb_index2xy);
|
|
av_freep(&s->lambda_table);
|
|
av_freep(&s->cplx_tab);
|
|
av_freep(&s->bits_tab);
|
|
|
|
s->linesize = s->uvlinesize = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_mpv_common_frame_size_change(MpegEncContext *s)
|
|
{
|
|
int i, err = 0;
|
|
|
|
if (s->slice_context_count > 1) {
|
|
for (i = 0; i < s->slice_context_count; i++) {
|
|
free_duplicate_context(s->thread_context[i]);
|
|
}
|
|
for (i = 1; i < s->slice_context_count; i++) {
|
|
av_freep(&s->thread_context[i]);
|
|
}
|
|
} else
|
|
free_duplicate_context(s);
|
|
|
|
if ((err = free_context_frame(s)) < 0)
|
|
return err;
|
|
|
|
if (s->picture)
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
s->picture[i].needs_realloc = 1;
|
|
}
|
|
|
|
s->last_picture_ptr =
|
|
s->next_picture_ptr =
|
|
s->current_picture_ptr = NULL;
|
|
|
|
// init
|
|
if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
|
|
s->mb_height = (s->height + 31) / 32 * 2;
|
|
else
|
|
s->mb_height = (s->height + 15) / 16;
|
|
|
|
if ((s->width || s->height) &&
|
|
av_image_check_size(s->width, s->height, 0, s->avctx))
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
if ((err = init_context_frame(s)))
|
|
goto fail;
|
|
|
|
s->thread_context[0] = s;
|
|
|
|
if (s->width && s->height) {
|
|
int nb_slices = s->slice_context_count;
|
|
if (nb_slices > 1) {
|
|
for (i = 1; i < nb_slices; i++) {
|
|
s->thread_context[i] = av_malloc(sizeof(MpegEncContext));
|
|
memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
|
|
}
|
|
|
|
for (i = 0; i < nb_slices; i++) {
|
|
if (init_duplicate_context(s->thread_context[i]) < 0)
|
|
goto fail;
|
|
s->thread_context[i]->start_mb_y =
|
|
(s->mb_height * (i) + nb_slices / 2) / nb_slices;
|
|
s->thread_context[i]->end_mb_y =
|
|
(s->mb_height * (i + 1) + nb_slices / 2) / nb_slices;
|
|
}
|
|
} else {
|
|
if (init_duplicate_context(s) < 0)
|
|
goto fail;
|
|
s->start_mb_y = 0;
|
|
s->end_mb_y = s->mb_height;
|
|
}
|
|
s->slice_context_count = nb_slices;
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
ff_mpv_common_end(s);
|
|
return err;
|
|
}
|
|
|
|
/* init common structure for both encoder and decoder */
|
|
void ff_mpv_common_end(MpegEncContext *s)
|
|
{
|
|
int i;
|
|
|
|
if (s->slice_context_count > 1) {
|
|
for (i = 0; i < s->slice_context_count; i++) {
|
|
free_duplicate_context(s->thread_context[i]);
|
|
}
|
|
for (i = 1; i < s->slice_context_count; i++) {
|
|
av_freep(&s->thread_context[i]);
|
|
}
|
|
s->slice_context_count = 1;
|
|
} else free_duplicate_context(s);
|
|
|
|
av_freep(&s->parse_context.buffer);
|
|
s->parse_context.buffer_size = 0;
|
|
|
|
av_freep(&s->bitstream_buffer);
|
|
s->allocated_bitstream_buffer_size = 0;
|
|
|
|
if (s->picture) {
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
ff_free_picture_tables(&s->picture[i]);
|
|
ff_mpeg_unref_picture(s, &s->picture[i]);
|
|
av_frame_free(&s->picture[i].f);
|
|
}
|
|
}
|
|
av_freep(&s->picture);
|
|
ff_free_picture_tables(&s->last_picture);
|
|
ff_mpeg_unref_picture(s, &s->last_picture);
|
|
av_frame_free(&s->last_picture.f);
|
|
ff_free_picture_tables(&s->current_picture);
|
|
ff_mpeg_unref_picture(s, &s->current_picture);
|
|
av_frame_free(&s->current_picture.f);
|
|
ff_free_picture_tables(&s->next_picture);
|
|
ff_mpeg_unref_picture(s, &s->next_picture);
|
|
av_frame_free(&s->next_picture.f);
|
|
ff_free_picture_tables(&s->new_picture);
|
|
ff_mpeg_unref_picture(s, &s->new_picture);
|
|
av_frame_free(&s->new_picture.f);
|
|
|
|
free_context_frame(s);
|
|
|
|
s->context_initialized = 0;
|
|
s->last_picture_ptr =
|
|
s->next_picture_ptr =
|
|
s->current_picture_ptr = NULL;
|
|
s->linesize = s->uvlinesize = 0;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void release_unused_pictures(MpegEncContext *s)
|
|
{
|
|
int i;
|
|
|
|
/* release non reference frames */
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (!s->picture[i].reference)
|
|
ff_mpeg_unref_picture(s, &s->picture[i]);
|
|
}
|
|
}
|
|
|
|
static inline int pic_is_unused(MpegEncContext *s, Picture *pic)
|
|
{
|
|
if (!pic->f->buf[0])
|
|
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->buf[0])
|
|
return i;
|
|
}
|
|
} else {
|
|
for (i = 0; i < MAX_PICTURE_COUNT; i++) {
|
|
if (pic_is_unused(s, &s->picture[i]))
|
|
return i;
|
|
}
|
|
}
|
|
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
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;
|
|
ff_free_picture_tables(&s->picture[ret]);
|
|
ff_mpeg_unref_picture(s, &s->picture[ret]);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* generic function called after decoding
|
|
* the header and before a frame is decoded.
|
|
*/
|
|
int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx)
|
|
{
|
|
int i, ret;
|
|
Picture *pic;
|
|
s->mb_skipped = 0;
|
|
|
|
/* mark & release old frames */
|
|
if (s->pict_type != AV_PICTURE_TYPE_B && s->last_picture_ptr &&
|
|
s->last_picture_ptr != s->next_picture_ptr &&
|
|
s->last_picture_ptr->f->buf[0]) {
|
|
ff_mpeg_unref_picture(s, s->last_picture_ptr);
|
|
}
|
|
|
|
/* release forgotten pictures */
|
|
/* if (mpeg124/h263) */
|
|
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);
|
|
|
|
release_unused_pictures(s);
|
|
|
|
if (s->current_picture_ptr && !s->current_picture_ptr->f->buf[0]) {
|
|
// 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 || !s->last_picture_ptr->f->buf[0]) &&
|
|
(s->pict_type != AV_PICTURE_TYPE_I ||
|
|
s->picture_structure != PICT_FRAME)) {
|
|
int h_chroma_shift, v_chroma_shift;
|
|
av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
|
|
&h_chroma_shift, &v_chroma_shift);
|
|
if (s->pict_type != AV_PICTURE_TYPE_I)
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"warning: first frame is no keyframe\n");
|
|
else if (s->picture_structure != PICT_FRAME)
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"allocate dummy last picture for field based first keyframe\n");
|
|
|
|
/* Allocate a dummy frame */
|
|
i = ff_find_unused_picture(s, 0);
|
|
if (i < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
return i;
|
|
}
|
|
s->last_picture_ptr = &s->picture[i];
|
|
|
|
s->last_picture_ptr->reference = 3;
|
|
s->last_picture_ptr->f->pict_type = AV_PICTURE_TYPE_I;
|
|
|
|
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], 0,
|
|
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]);
|
|
|
|
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 0);
|
|
ff_thread_report_progress(&s->last_picture_ptr->tf, INT_MAX, 1);
|
|
}
|
|
if ((!s->next_picture_ptr || !s->next_picture_ptr->f->buf[0]) &&
|
|
s->pict_type == AV_PICTURE_TYPE_B) {
|
|
/* Allocate a dummy frame */
|
|
i = ff_find_unused_picture(s, 0);
|
|
if (i < 0) {
|
|
av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
|
|
return i;
|
|
}
|
|
s->next_picture_ptr = &s->picture[i];
|
|
|
|
s->next_picture_ptr->reference = 3;
|
|
s->next_picture_ptr->f->pict_type = AV_PICTURE_TYPE_I;
|
|
|
|
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 (s->last_picture_ptr) {
|
|
ff_mpeg_unref_picture(s, &s->last_picture);
|
|
if (s->last_picture_ptr->f->buf[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->buf[0] &&
|
|
(ret = ff_mpeg_ref_picture(s, &s->next_picture,
|
|
s->next_picture_ptr)) < 0)
|
|
return ret;
|
|
}
|
|
|
|
if (s->pict_type != AV_PICTURE_TYPE_I &&
|
|
!(s->last_picture_ptr && s->last_picture_ptr->f->buf[0])) {
|
|
av_log(s, AV_LOG_ERROR,
|
|
"Non-reference picture received and no reference available\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
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 FF_API_XVMC
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
if (CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration)
|
|
return ff_xvmc_field_start(s, avctx);
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif /* FF_API_XVMC */
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* called after a frame has been decoded. */
|
|
void ff_mpv_frame_end(MpegEncContext *s)
|
|
{
|
|
#if FF_API_XVMC
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
/* 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
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif /* FF_API_XVMC */
|
|
|
|
emms_c();
|
|
|
|
if (s->current_picture.reference)
|
|
ff_thread_report_progress(&s->current_picture_ptr->tf, INT_MAX, 0);
|
|
}
|
|
|
|
/**
|
|
* Print debugging info for the given picture.
|
|
*/
|
|
void ff_print_debug_info(MpegEncContext *s, Picture *p)
|
|
{
|
|
AVFrame *pict;
|
|
if (s->avctx->hwaccel || !p || !p->mb_type)
|
|
return;
|
|
pict = p->f;
|
|
|
|
if (s->avctx->debug & (FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)) {
|
|
int x,y;
|
|
|
|
av_log(s->avctx,AV_LOG_DEBUG,"New frame, type: ");
|
|
switch (pict->pict_type) {
|
|
case AV_PICTURE_TYPE_I:
|
|
av_log(s->avctx,AV_LOG_DEBUG,"I\n");
|
|
break;
|
|
case AV_PICTURE_TYPE_P:
|
|
av_log(s->avctx,AV_LOG_DEBUG,"P\n");
|
|
break;
|
|
case AV_PICTURE_TYPE_B:
|
|
av_log(s->avctx,AV_LOG_DEBUG,"B\n");
|
|
break;
|
|
case AV_PICTURE_TYPE_S:
|
|
av_log(s->avctx,AV_LOG_DEBUG,"S\n");
|
|
break;
|
|
case AV_PICTURE_TYPE_SI:
|
|
av_log(s->avctx,AV_LOG_DEBUG,"SI\n");
|
|
break;
|
|
case AV_PICTURE_TYPE_SP:
|
|
av_log(s->avctx,AV_LOG_DEBUG,"SP\n");
|
|
break;
|
|
}
|
|
for (y = 0; y < s->mb_height; y++) {
|
|
for (x = 0; x < s->mb_width; x++) {
|
|
if (s->avctx->debug & FF_DEBUG_SKIP) {
|
|
int count = s->mbskip_table[x + y * s->mb_stride];
|
|
if (count > 9)
|
|
count = 9;
|
|
av_log(s->avctx, AV_LOG_DEBUG, "%1d", count);
|
|
}
|
|
if (s->avctx->debug & FF_DEBUG_QP) {
|
|
av_log(s->avctx, AV_LOG_DEBUG, "%2d",
|
|
p->qscale_table[x + y * s->mb_stride]);
|
|
}
|
|
if (s->avctx->debug & FF_DEBUG_MB_TYPE) {
|
|
int mb_type = p->mb_type[x + y * s->mb_stride];
|
|
// Type & MV direction
|
|
if (IS_PCM(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "P");
|
|
else if (IS_INTRA(mb_type) && IS_ACPRED(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "A");
|
|
else if (IS_INTRA4x4(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "i");
|
|
else if (IS_INTRA16x16(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "I");
|
|
else if (IS_DIRECT(mb_type) && IS_SKIP(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "d");
|
|
else if (IS_DIRECT(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "D");
|
|
else if (IS_GMC(mb_type) && IS_SKIP(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "g");
|
|
else if (IS_GMC(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "G");
|
|
else if (IS_SKIP(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "S");
|
|
else if (!USES_LIST(mb_type, 1))
|
|
av_log(s->avctx, AV_LOG_DEBUG, ">");
|
|
else if (!USES_LIST(mb_type, 0))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "<");
|
|
else {
|
|
assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
|
|
av_log(s->avctx, AV_LOG_DEBUG, "X");
|
|
}
|
|
|
|
// segmentation
|
|
if (IS_8X8(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "+");
|
|
else if (IS_16X8(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "-");
|
|
else if (IS_8X16(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "|");
|
|
else if (IS_INTRA(mb_type) || IS_16X16(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, " ");
|
|
else
|
|
av_log(s->avctx, AV_LOG_DEBUG, "?");
|
|
|
|
|
|
if (IS_INTERLACED(mb_type))
|
|
av_log(s->avctx, AV_LOG_DEBUG, "=");
|
|
else
|
|
av_log(s->avctx, AV_LOG_DEBUG, " ");
|
|
}
|
|
}
|
|
av_log(s->avctx, AV_LOG_DEBUG, "\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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->idsp.idct_put(dest, line_size, block);
|
|
}
|
|
|
|
/* add block[] to dest[] */
|
|
static inline void add_dct(MpegEncContext *s,
|
|
int16_t *block, int i, uint8_t *dest, int line_size)
|
|
{
|
|
if (s->block_last_index[i] >= 0) {
|
|
s->idsp.idct_add(dest, line_size, block);
|
|
}
|
|
}
|
|
|
|
static inline void add_dequant_dct(MpegEncContext *s,
|
|
int16_t *block, int i, uint8_t *dest, int line_size, int qscale)
|
|
{
|
|
if (s->block_last_index[i] >= 0) {
|
|
s->dct_unquantize_inter(s, block, i, qscale);
|
|
|
|
s->idsp.idct_add(dest, line_size, block);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Clean dc, ac, coded_block for the current non-intra MB.
|
|
*/
|
|
void ff_clean_intra_table_entries(MpegEncContext *s)
|
|
{
|
|
int wrap = s->b8_stride;
|
|
int xy = s->block_index[0];
|
|
|
|
s->dc_val[0][xy ] =
|
|
s->dc_val[0][xy + 1 ] =
|
|
s->dc_val[0][xy + wrap] =
|
|
s->dc_val[0][xy + 1 + wrap] = 1024;
|
|
/* ac pred */
|
|
memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t));
|
|
memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t));
|
|
if (s->msmpeg4_version>=3) {
|
|
s->coded_block[xy ] =
|
|
s->coded_block[xy + 1 ] =
|
|
s->coded_block[xy + wrap] =
|
|
s->coded_block[xy + 1 + wrap] = 0;
|
|
}
|
|
/* chroma */
|
|
wrap = s->mb_stride;
|
|
xy = s->mb_x + s->mb_y * wrap;
|
|
s->dc_val[1][xy] =
|
|
s->dc_val[2][xy] = 1024;
|
|
/* ac pred */
|
|
memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t));
|
|
memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t));
|
|
|
|
s->mbintra_table[xy]= 0;
|
|
}
|
|
|
|
/* generic function called after a macroblock has been parsed by the
|
|
decoder or after it has been encoded by the encoder.
|
|
|
|
Important variables used:
|
|
s->mb_intra : true if intra macroblock
|
|
s->mv_dir : motion vector direction
|
|
s->mv_type : motion vector type
|
|
s->mv : motion vector
|
|
s->interlaced_dct : true if interlaced dct used (mpeg2)
|
|
*/
|
|
static av_always_inline
|
|
void mpv_decode_mb_internal(MpegEncContext *s, int16_t block[12][64],
|
|
int is_mpeg12)
|
|
{
|
|
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
|
|
|
|
#if FF_API_XVMC
|
|
FF_DISABLE_DEPRECATION_WARNINGS
|
|
if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){
|
|
ff_xvmc_decode_mb(s);//xvmc uses pblocks
|
|
return;
|
|
}
|
|
FF_ENABLE_DEPRECATION_WARNINGS
|
|
#endif /* FF_API_XVMC */
|
|
|
|
if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
|
|
/* print DCT coefficients */
|
|
int i,j;
|
|
av_log(s->avctx, AV_LOG_DEBUG, "DCT coeffs of MB at %dx%d:\n", s->mb_x, s->mb_y);
|
|
for(i=0; i<6; i++){
|
|
for(j=0; j<64; j++){
|
|
av_log(s->avctx, AV_LOG_DEBUG, "%5d",
|
|
block[i][s->idsp.idct_permutation[j]]);
|
|
}
|
|
av_log(s->avctx, AV_LOG_DEBUG, "\n");
|
|
}
|
|
}
|
|
|
|
s->current_picture.qscale_table[mb_xy] = s->qscale;
|
|
|
|
/* update DC predictors for P macroblocks */
|
|
if (!s->mb_intra) {
|
|
if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) {
|
|
if(s->mbintra_table[mb_xy])
|
|
ff_clean_intra_table_entries(s);
|
|
} else {
|
|
s->last_dc[0] =
|
|
s->last_dc[1] =
|
|
s->last_dc[2] = 128 << s->intra_dc_precision;
|
|
}
|
|
}
|
|
else if (!is_mpeg12 && (s->h263_pred || s->h263_aic))
|
|
s->mbintra_table[mb_xy]=1;
|
|
|
|
if ((s->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;
|
|
const int block_size = 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;
|
|
assert(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);
|
|
}
|
|
}
|
|
|
|
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 * 8;
|
|
|
|
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+8, dct_linesize);
|
|
add_dct(s, block[9], 9, dest_cr+8, dct_linesize);
|
|
add_dct(s, block[10], 10, dest_cb+8+dct_offset, dct_linesize);
|
|
add_dct(s, block[11], 11, dest_cr+8+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->idsp.idct_put(dest_y, dct_linesize, block[0]);
|
|
s->idsp.idct_put(dest_y + block_size, dct_linesize, block[1]);
|
|
s->idsp.idct_put(dest_y + dct_offset, dct_linesize, block[2]);
|
|
s->idsp.idct_put(dest_y + dct_offset + block_size, dct_linesize, block[3]);
|
|
|
|
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
|
|
if(s->chroma_y_shift){
|
|
s->idsp.idct_put(dest_cb, uvlinesize, block[4]);
|
|
s->idsp.idct_put(dest_cr, uvlinesize, block[5]);
|
|
}else{
|
|
|
|
dct_linesize = uvlinesize << s->interlaced_dct;
|
|
dct_offset = s->interlaced_dct ? uvlinesize : uvlinesize * 8;
|
|
|
|
s->idsp.idct_put(dest_cb, dct_linesize, block[4]);
|
|
s->idsp.idct_put(dest_cr, dct_linesize, block[5]);
|
|
s->idsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]);
|
|
s->idsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]);
|
|
if(!s->chroma_x_shift){//Chroma444
|
|
s->idsp.idct_put(dest_cb + 8, dct_linesize, block[8]);
|
|
s->idsp.idct_put(dest_cr + 8, dct_linesize, block[9]);
|
|
s->idsp.idct_put(dest_cb + 8 + dct_offset, dct_linesize, block[10]);
|
|
s->idsp.idct_put(dest_cr + 8 + 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) {
|
|
mpv_decode_mb_internal(s, block, 1);
|
|
} else
|
|
#endif
|
|
mpv_decode_mb_internal(s, block, 0);
|
|
}
|
|
|
|
void ff_mpeg_draw_horiz_band(MpegEncContext *s, int y, int h)
|
|
{
|
|
ff_draw_horiz_band(s->avctx, s->current_picture.f,
|
|
s->last_picture.f, y, h, s->picture_structure,
|
|
s->first_field, s->low_delay);
|
|
}
|
|
|
|
void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
|
|
const int linesize = s->current_picture.f->linesize[0]; //not s->linesize as this would be wrong for field pics
|
|
const int uvlinesize = s->current_picture.f->linesize[1];
|
|
const int mb_size= 4;
|
|
|
|
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);
|
|
assert((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 || !s->picture)
|
|
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->parse_context.state= -1;
|
|
s->parse_context.frame_start_found= 0;
|
|
s->parse_context.overread= 0;
|
|
s->parse_context.overread_index= 0;
|
|
s->parse_context.index= 0;
|
|
s->parse_context.last_index= 0;
|
|
s->bitstream_buffer_size=0;
|
|
s->pp_time=0;
|
|
}
|
|
|
|
/**
|
|
* set qscale and update qscale dependent variables.
|
|
*/
|
|
void ff_set_qscale(MpegEncContext * s, int qscale)
|
|
{
|
|
if (qscale < 1)
|
|
qscale = 1;
|
|
else if (qscale > 31)
|
|
qscale = 31;
|
|
|
|
s->qscale = qscale;
|
|
s->chroma_qscale= s->chroma_qscale_table[qscale];
|
|
|
|
s->y_dc_scale= s->y_dc_scale_table[ qscale ];
|
|
s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ];
|
|
}
|
|
|
|
void ff_mpv_report_decode_progress(MpegEncContext *s)
|
|
{
|
|
if (s->pict_type != AV_PICTURE_TYPE_B && !s->partitioned_frame && !s->er.error_occurred)
|
|
ff_thread_report_progress(&s->current_picture_ptr->tf, s->mb_y, 0);
|
|
}
|