de6d9b64 |
/*
* The simplest mpeg encoder (well, it was the simplest!) |
406792e7 |
* Copyright (c) 2000,2001 Fabrice Bellard |
8f2ab833 |
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
de6d9b64 |
* |
7b94177e |
* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
* |
b78e7197 |
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or |
ff4ec49e |
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either |
b78e7197 |
* version 2.1 of the License, or (at your option) any later version. |
de6d9b64 |
* |
b78e7197 |
* FFmpeg is distributed in the hope that it will be useful, |
de6d9b64 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
ff4ec49e |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details. |
de6d9b64 |
* |
ff4ec49e |
* You should have received a copy of the GNU Lesser General Public |
b78e7197 |
* License along with FFmpeg; if not, write to the Free Software |
5509bffa |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
de6d9b64 |
*/ |
115329f1 |
|
983e3246 |
/** |
bad5537e |
* @file libavcodec/mpegvideo.c |
983e3246 |
* The simplest mpeg encoder (well, it was the simplest!). |
115329f1 |
*/
|
de6d9b64 |
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h" |
3ada94ba |
#include "mpegvideo_common.h" |
d9c9259f |
#include "mjpegenc.h" |
15025553 |
#include "msmpeg4.h" |
65e4c8c9 |
#include "faandct.h" |
4440bd0d |
#include "xvmc_internal.h" |
e96682e6 |
#include <limits.h> |
de6d9b64 |
|
e4eadb4b |
//#undef NDEBUG
//#include <assert.h> |
2ad1516a |
|
115329f1 |
static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, |
21af69f7 |
DCTELEM *block, int n, int qscale); |
115329f1 |
static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, |
9dbf1ddd |
DCTELEM *block, int n, int qscale); |
d50635cd |
static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s,
DCTELEM *block, int n, int qscale); |
e27b6e62 |
static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s,
DCTELEM *block, int n, int qscale); |
d50635cd |
static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s,
DCTELEM *block, int n, int qscale); |
115329f1 |
static void dct_unquantize_h263_intra_c(MpegEncContext *s, |
d50635cd |
DCTELEM *block, int n, int qscale); |
115329f1 |
static void dct_unquantize_h263_inter_c(MpegEncContext *s, |
21af69f7 |
DCTELEM *block, int n, int qscale); |
3d9fccbf |
|
de6d9b64 |
/* enable all paranoid tests for rounding, overflows, etc... */
//#define PARANOID
//#define DEBUG
|
101bea5f |
|
332f9ac4 |
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 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
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
};
|
6cbe71bd |
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 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
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,
};
|
09a9b45e |
const enum PixelFormat ff_pixfmt_list_420[] = { |
044f0296 |
PIX_FMT_YUV420P,
PIX_FMT_NONE
};
const enum PixelFormat ff_hwaccel_pixfmt_list_420[] = { |
09a9b45e |
PIX_FMT_YUV420P,
PIX_FMT_NONE
}; |
2ad1516a |
|
82fcbc14 |
const uint8_t *ff_find_start_code(const uint8_t * restrict p, const uint8_t *end, uint32_t * restrict state){
int i;
|
8cb90572 |
assert(p<=end);
if(p>=end)
return end;
|
82fcbc14 |
for(i=0; i<3; i++){
uint32_t tmp= *state << 8;
*state= tmp + *(p++);
if(tmp == 0x100 || p==end)
return p;
}
while(p<end){ |
809b2a30 |
if (p[-1] > 1 ) p+= 3;
else if(p[-2] ) p+= 2;
else if(p[-3]|(p[-1]-1)) p++; |
82fcbc14 |
else{
p++;
break;
}
}
|
809b2a30 |
p= FFMIN(p, end)-4; |
f49f6e88 |
*state= AV_RB32(p); |
82fcbc14 |
return p+4;
}
|
defdfc9a |
/* init common dct for both encoder and decoder */ |
5ef251e5 |
av_cold int ff_dct_common_init(MpegEncContext *s) |
de6d9b64 |
{ |
d50635cd |
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; |
e27b6e62 |
if(s->flags & CODEC_FLAG_BITEXACT)
s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_bitexact; |
d50635cd |
s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_c; |
b0368839 |
|
b250f9c6 |
#if HAVE_MMX |
e4eadb4b |
MPV_common_init_mmx(s); |
b250f9c6 |
#elif ARCH_ALPHA |
e0580f8c |
MPV_common_init_axp(s); |
b250f9c6 |
#elif CONFIG_MLIB |
c7e07931 |
MPV_common_init_mlib(s); |
b250f9c6 |
#elif HAVE_MMI |
5917d17c |
MPV_common_init_mmi(s); |
b250f9c6 |
#elif ARCH_ARM |
a2fc0f6a |
MPV_common_init_arm(s); |
b250f9c6 |
#elif HAVE_ALTIVEC |
f62a9a46 |
MPV_common_init_altivec(s); |
b250f9c6 |
#elif ARCH_BFIN |
1a822d30 |
MPV_common_init_bfin(s);
#endif |
676e200c |
|
2ad1516a |
/* load & permutate scantables |
115329f1 |
note: only wmv uses different ones |
2ad1516a |
*/ |
bb198e19 |
if(s->alternate_scan){
ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_alternate_vertical_scan);
ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_alternate_vertical_scan);
}else{
ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable , ff_zigzag_direct);
ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable , ff_zigzag_direct);
} |
3d2e8cce |
ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan);
ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan); |
d930ef19 |
|
defdfc9a |
return 0;
}
|
8d2fc163 |
void ff_copy_picture(Picture *dst, Picture *src){ |
6571e41d |
*dst = *src;
dst->type= FF_BUFFER_TYPE_COPY;
}
|
1e491e29 |
/** |
4e00e76b |
* allocates a Picture
* The pixels are allocated/set by calling get_buffer() if shared=0 |
1e491e29 |
*/ |
3ada94ba |
int alloc_picture(MpegEncContext *s, Picture *pic, int shared){ |
755bfeab |
const int big_mb_num= s->mb_stride*(s->mb_height+1) + 1; //the +1 is needed so memset(,,stride*height) does not sig11 |
7bc9090a |
const int mb_array_size= s->mb_stride*s->mb_height; |
b40cd4e0 |
const int b8_array_size= s->b8_stride*s->mb_height*2;
const int b4_array_size= s->b4_stride*s->mb_height*4; |
0da71265 |
int i; |
29d2dc59 |
int r= -1; |
115329f1 |
|
4e00e76b |
if(shared){
assert(pic->data[0]);
assert(pic->type == 0 || pic->type == FF_BUFFER_TYPE_SHARED);
pic->type= FF_BUFFER_TYPE_SHARED;
}else{
assert(!pic->data[0]); |
115329f1 |
|
492cd3a9 |
r= s->avctx->get_buffer(s->avctx, (AVFrame*)pic); |
115329f1 |
|
4e00e76b |
if(r<0 || !pic->age || !pic->type || !pic->data[0]){ |
bb270c08 |
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %d %d %p)\n", r, pic->age, pic->type, pic->data[0]); |
4e00e76b |
return -1;
}
if(s->linesize && (s->linesize != pic->linesize[0] || s->uvlinesize != pic->linesize[1])){ |
9b879566 |
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (stride changed)\n"); |
29d2dc59 |
s->avctx->release_buffer(s->avctx, (AVFrame*)pic); |
4e00e76b |
return -1;
}
if(pic->linesize[1] != pic->linesize[2]){ |
bb628dae |
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (uv stride mismatch)\n"); |
29d2dc59 |
s->avctx->release_buffer(s->avctx, (AVFrame*)pic); |
4e00e76b |
return -1;
}
s->linesize = pic->linesize[0];
s->uvlinesize= pic->linesize[1]; |
1e491e29 |
} |
115329f1 |
|
4e00e76b |
if(pic->qscale_table==NULL){ |
115329f1 |
if (s->encoding) { |
7bc9090a |
CHECKED_ALLOCZ(pic->mb_var , mb_array_size * sizeof(int16_t))
CHECKED_ALLOCZ(pic->mc_mb_var, mb_array_size * sizeof(int16_t))
CHECKED_ALLOCZ(pic->mb_mean , mb_array_size * sizeof(int8_t)) |
4e00e76b |
} |
1e491e29 |
|
7bc9090a |
CHECKED_ALLOCZ(pic->mbskip_table , mb_array_size * sizeof(uint8_t)+2) //the +2 is for the slice end check |
e4eadb4b |
CHECKED_ALLOCZ(pic->qscale_table , mb_array_size * sizeof(uint8_t)) |
0063c05c |
CHECKED_ALLOCZ(pic->mb_type_base , (big_mb_num + s->mb_stride) * sizeof(uint32_t))
pic->mb_type= pic->mb_type_base + 2*s->mb_stride+1; |
0da71265 |
if(s->out_format == FMT_H264){
for(i=0; i<2; i++){ |
02dc8983 |
CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b4_array_size+4) * sizeof(int16_t))
pic->motion_val[i]= pic->motion_val_base[i]+4; |
7c4f71c4 |
CHECKED_ALLOCZ(pic->ref_index[i], b8_array_size * sizeof(uint8_t)) |
b40cd4e0 |
} |
5ea4b18d |
pic->motion_subsample_log2= 2; |
0c9bbaec |
}else if(s->out_format == FMT_H263 || s->encoding || (s->avctx->debug&FF_DEBUG_MV) || (s->avctx->debug_mv)){ |
b40cd4e0 |
for(i=0; i<2; i++){ |
02dc8983 |
CHECKED_ALLOCZ(pic->motion_val_base[i], 2 * (b8_array_size+4) * sizeof(int16_t))
pic->motion_val[i]= pic->motion_val_base[i]+4; |
7c4f71c4 |
CHECKED_ALLOCZ(pic->ref_index[i], b8_array_size * sizeof(uint8_t)) |
0da71265 |
} |
5ea4b18d |
pic->motion_subsample_log2= 3; |
0da71265 |
} |
8289c6fa |
if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
CHECKED_ALLOCZ(pic->dct_coeff, 64 * mb_array_size * sizeof(DCTELEM)*6)
} |
7bc9090a |
pic->qstride= s->mb_stride; |
fa384dcc |
CHECKED_ALLOCZ(pic->pan_scan , 1 * sizeof(AVPanScan)) |
4e00e76b |
} |
0da71265 |
|
90b5b51e |
/* It might be nicer if the application would keep track of these
* but it would require an API change. */ |
f943e138 |
memmove(s->prev_pict_types+1, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE-1); |
5b0e7dac |
s->prev_pict_types[0]= s->dropable ? FF_B_TYPE : s->pict_type; |
9701840b |
if(pic->age < PREV_PICT_TYPES_BUFFER_SIZE && s->prev_pict_types[pic->age] == FF_B_TYPE) |
90b5b51e |
pic->age= INT_MAX; // Skipped MBs in B-frames are quite rare in MPEG-1/2 and it is a bit tricky to skip them anyway. |
115329f1 |
|
1e491e29 |
return 0;
fail: //for the CHECKED_ALLOCZ macro |
29d2dc59 |
if(r>=0)
s->avctx->release_buffer(s->avctx, (AVFrame*)pic); |
1e491e29 |
return -1;
}
|
4e00e76b |
/**
* deallocates a picture
*/ |
1e491e29 |
static void free_picture(MpegEncContext *s, Picture *pic){
int i; |
4e00e76b |
if(pic->data[0] && pic->type!=FF_BUFFER_TYPE_SHARED){ |
492cd3a9 |
s->avctx->release_buffer(s->avctx, (AVFrame*)pic); |
4e00e76b |
}
|
1e491e29 |
av_freep(&pic->mb_var);
av_freep(&pic->mc_mb_var);
av_freep(&pic->mb_mean);
av_freep(&pic->mbskip_table);
av_freep(&pic->qscale_table); |
0da71265 |
av_freep(&pic->mb_type_base); |
8289c6fa |
av_freep(&pic->dct_coeff); |
fa384dcc |
av_freep(&pic->pan_scan); |
0da71265 |
pic->mb_type= NULL;
for(i=0; i<2; i++){ |
b40cd4e0 |
av_freep(&pic->motion_val_base[i]); |
0da71265 |
av_freep(&pic->ref_index[i]);
} |
115329f1 |
|
d90cf87b |
if(pic->type == FF_BUFFER_TYPE_SHARED){ |
4e00e76b |
for(i=0; i<4; i++){
pic->base[i]=
pic->data[i]= NULL;
} |
115329f1 |
pic->type= 0; |
1e491e29 |
}
}
|
9c3d33d6 |
static int init_duplicate_context(MpegEncContext *s, MpegEncContext *base){
int i;
|
115329f1 |
// edge emu needs blocksize + filter length - 1 (=17x17 for halfpel / 21x21 for h264) |
5d18eaad |
CHECKED_ALLOCZ(s->allocated_edge_emu_buffer, (s->width+64)*2*21*2); //(width + edge + align)*interlaced*MBsize*tolerance
s->edge_emu_buffer= s->allocated_edge_emu_buffer + (s->width+64)*2*21; |
9c3d33d6 |
|
755bfeab |
//FIXME should be linesize instead of s->width*2 but that is not known before get_buffer() |
115329f1 |
CHECKED_ALLOCZ(s->me.scratchpad, (s->width+64)*4*16*2*sizeof(uint8_t)) |
a6f2c0d6 |
s->me.temp= s->me.scratchpad; |
9c3d33d6 |
s->rd_scratchpad= s->me.scratchpad;
s->b_scratchpad= s->me.scratchpad;
s->obmc_scratchpad= s->me.scratchpad + 16;
if (s->encoding) {
CHECKED_ALLOCZ(s->me.map , ME_MAP_SIZE*sizeof(uint32_t))
CHECKED_ALLOCZ(s->me.score_map, ME_MAP_SIZE*sizeof(uint32_t))
if(s->avctx->noise_reduction){
CHECKED_ALLOCZ(s->dct_error_sum, 2 * 64 * sizeof(int))
} |
115329f1 |
} |
5e5c247a |
CHECKED_ALLOCZ(s->blocks, 64*12*2 * sizeof(DCTELEM)) |
9c3d33d6 |
s->block= s->blocks[0];
for(i=0;i<12;i++){ |
21effaa4 |
s->pblocks[i] = &s->block[i]; |
9c3d33d6 |
}
return 0;
fail:
return -1; //free() through MPV_common_end()
}
static void free_duplicate_context(MpegEncContext *s){
if(s==NULL) return;
av_freep(&s->allocated_edge_emu_buffer); s->edge_emu_buffer= NULL;
av_freep(&s->me.scratchpad); |
a6f2c0d6 |
s->me.temp= |
115329f1 |
s->rd_scratchpad=
s->b_scratchpad= |
9c3d33d6 |
s->obmc_scratchpad= NULL; |
115329f1 |
|
9c3d33d6 |
av_freep(&s->dct_error_sum);
av_freep(&s->me.map);
av_freep(&s->me.score_map);
av_freep(&s->blocks);
s->block= NULL;
}
static void backup_duplicate_context(MpegEncContext *bak, MpegEncContext *src){
#define COPY(a) bak->a= src->a
COPY(allocated_edge_emu_buffer);
COPY(edge_emu_buffer);
COPY(me.scratchpad); |
a6f2c0d6 |
COPY(me.temp); |
9c3d33d6 |
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); |
da16b204 |
COPY(dct_count[0]);
COPY(dct_count[1]); |
9c3d33d6 |
#undef COPY
}
|
c62c07d3 |
void ff_update_duplicate_context(MpegEncContext *dst, MpegEncContext *src){ |
9c3d33d6 |
MpegEncContext bak; |
c62c07d3 |
int i; |
9c3d33d6 |
//FIXME copy only needed parts
//START_TIMER
backup_duplicate_context(&bak, dst);
memcpy(dst, src, sizeof(MpegEncContext));
backup_duplicate_context(dst, &bak); |
c62c07d3 |
for(i=0;i<12;i++){ |
21effaa4 |
dst->pblocks[i] = &dst->block[i]; |
c62c07d3 |
} |
9c3d33d6 |
//STOP_TIMER("update_duplicate_context") //about 10k cycles / 0.01 sec for 1000frames on 1ghz with 2 threads
}
|
3edcacde |
/**
* sets the given MpegEncContext to common defaults (same for encoding and decoding).
* the changed fields will not depend upon the prior state of the MpegEncContext.
*/ |
3ada94ba |
void MPV_common_defaults(MpegEncContext *s){ |
3edcacde |
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; |
7976241a |
s->f_code = 1;
s->b_code = 1; |
3edcacde |
}
/**
* sets the given MpegEncContext to defaults for decoding.
* the changed fields will not depend upon the prior state of the MpegEncContext.
*/
void MPV_decode_defaults(MpegEncContext *s){
MPV_common_defaults(s);
}
/**
* init common structure for both encoder and decoder.
* this assumes that some variables like width/height are already set
*/ |
5ef251e5 |
av_cold int MPV_common_init(MpegEncContext *s) |
defdfc9a |
{ |
afebe2f7 |
int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y, threads; |
defdfc9a |
|
fdb52bcc |
s->mb_height = (s->height + 15) / 16;
|
9cfc1b3a |
if(s->avctx->pix_fmt == PIX_FMT_NONE){
av_log(s->avctx, AV_LOG_ERROR, "decoding to PIX_FMT_NONE is not supported.\n");
return -1;
}
|
fdb52bcc |
if(s->avctx->thread_count > MAX_THREADS || (s->avctx->thread_count > s->mb_height && s->mb_height)){ |
000a9c02 |
av_log(s->avctx, AV_LOG_ERROR, "too many threads\n");
return -1;
}
|
0ecca7a4 |
if((s->width || s->height) && avcodec_check_dimensions(s->avctx, s->width, s->height))
return -1;
|
b0368839 |
dsputil_init(&s->dsp, s->avctx); |
6180ade7 |
ff_dct_common_init(s); |
eb4b3dd3 |
|
9fee1e23 |
s->flags= s->avctx->flags; |
303e50e6 |
s->flags2= s->avctx->flags2; |
defdfc9a |
|
1e491e29 |
s->mb_width = (s->width + 15) / 16; |
7bc9090a |
s->mb_stride = s->mb_width + 1; |
b40cd4e0 |
s->b8_stride = s->mb_width*2 + 1;
s->b4_stride = s->mb_width*4 + 1; |
7bc9090a |
mb_array_size= s->mb_height * s->mb_stride; |
bb198e19 |
mv_table_size= (s->mb_height+2) * s->mb_stride + 1; |
eb4b3dd3 |
|
ffdff4d7 |
/* set chroma shifts */
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,&(s->chroma_x_shift),
&(s->chroma_y_shift) );
|
b5a093b3 |
/* 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; |
eb4b3dd3 |
s->mb_num = s->mb_width * s->mb_height; |
115329f1 |
|
7bc9090a |
s->block_wrap[0]=
s->block_wrap[1]=
s->block_wrap[2]= |
137c8468 |
s->block_wrap[3]= s->b8_stride; |
7bc9090a |
s->block_wrap[4]= |
137c8468 |
s->block_wrap[5]= s->mb_stride; |
115329f1 |
|
137c8468 |
y_size = s->b8_stride * (2 * s->mb_height + 1);
c_size = s->mb_stride * (s->mb_height + 1); |
eb4b3dd3 |
yc_size = y_size + 2 * c_size; |
115329f1 |
|
202ef8b8 |
/* convert fourcc to upper case */ |
17662955 |
s->codec_tag= toupper( s->avctx->codec_tag &0xFF) |
7004ffb3 |
+ (toupper((s->avctx->codec_tag>>8 )&0xFF)<<8 ) |
115329f1 |
+ (toupper((s->avctx->codec_tag>>16)&0xFF)<<16) |
7004ffb3 |
+ (toupper((s->avctx->codec_tag>>24)&0xFF)<<24); |
b5a093b3 |
|
17662955 |
s->stream_codec_tag= toupper( s->avctx->stream_codec_tag &0xFF) |
541ae140 |
+ (toupper((s->avctx->stream_codec_tag>>8 )&0xFF)<<8 ) |
115329f1 |
+ (toupper((s->avctx->stream_codec_tag>>16)&0xFF)<<16) |
541ae140 |
+ (toupper((s->avctx->stream_codec_tag>>24)&0xFF)<<24);
|
492cd3a9 |
s->avctx->coded_frame= (AVFrame*)&s->current_picture; |
1e491e29 |
|
7bc9090a |
CHECKED_ALLOCZ(s->mb_index2xy, (s->mb_num+1)*sizeof(int)) //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? |
115329f1 |
|
37fbfd0a |
if (s->encoding) { |
9dbcbd92 |
/* Allocate MV tables */ |
7bc9090a |
CHECKED_ALLOCZ(s->p_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
CHECKED_ALLOCZ(s->b_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
CHECKED_ALLOCZ(s->b_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
CHECKED_ALLOCZ(s->b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
CHECKED_ALLOCZ(s->b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
CHECKED_ALLOCZ(s->b_direct_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
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; |
7f2fe444 |
|
6b460aa3 |
if(s->msmpeg4_version){
CHECKED_ALLOCZ(s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int));
} |
3aa102be |
CHECKED_ALLOCZ(s->avctx->stats_out, 256); |
7bc9090a |
/* Allocate MB type table */ |
bb198e19 |
CHECKED_ALLOCZ(s->mb_type , mb_array_size * sizeof(uint16_t)) //needed for encoding |
115329f1 |
|
158c7f05 |
CHECKED_ALLOCZ(s->lambda_table, mb_array_size * sizeof(int)) |
115329f1 |
|
7e4995c3 |
CHECKED_ALLOCZ(s->q_intra_matrix, 64*32 * sizeof(int))
CHECKED_ALLOCZ(s->q_inter_matrix, 64*32 * sizeof(int)) |
642ccefb |
CHECKED_ALLOCZ(s->q_intra_matrix16, 64*32*2 * sizeof(uint16_t))
CHECKED_ALLOCZ(s->q_inter_matrix16, 64*32*2 * sizeof(uint16_t)) |
9d9e3172 |
CHECKED_ALLOCZ(s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture*))
CHECKED_ALLOCZ(s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture*)) |
115329f1 |
|
821cb11f |
if(s->avctx->noise_reduction){
CHECKED_ALLOCZ(s->dct_offset, 2 * 64 * sizeof(uint16_t))
} |
37fbfd0a |
} |
b465449e |
CHECKED_ALLOCZ(s->picture, MAX_PICTURE_COUNT * sizeof(Picture))
|
7bc9090a |
CHECKED_ALLOCZ(s->error_status_table, mb_array_size*sizeof(uint8_t)) |
115329f1 |
|
bb198e19 |
if(s->codec_id==CODEC_ID_MPEG4 || (s->flags & CODEC_FLAG_INTERLACED_ME)){ |
4d2858de |
/* interlaced direct mode decoding tables */ |
bb198e19 |
for(i=0; i<2; i++){
int j, k;
for(j=0; j<2; j++){
for(k=0; k<2; k++){
CHECKED_ALLOCZ(s->b_field_mv_table_base[i][j][k] , mv_table_size * 2 * sizeof(int16_t))
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] + s->mb_stride + 1;
}
CHECKED_ALLOCZ(s->b_field_select_table[i][j] , mb_array_size * 2 * sizeof(uint8_t))
CHECKED_ALLOCZ(s->p_field_mv_table_base[i][j] , mv_table_size * 2 * sizeof(int16_t))
s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j] + s->mb_stride + 1;
}
CHECKED_ALLOCZ(s->p_field_select_table[i] , mb_array_size * 2 * sizeof(uint8_t))
} |
de6d9b64 |
} |
6e2d5f1a |
if (s->out_format == FMT_H263) { |
de6d9b64 |
/* ac values */ |
137c8468 |
CHECKED_ALLOCZ(s->ac_val_base, yc_size * sizeof(int16_t) * 16);
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; |
de6d9b64 |
s->ac_val[2] = s->ac_val[1] + c_size; |
115329f1 |
|
de6d9b64 |
/* cbp values */ |
137c8468 |
CHECKED_ALLOCZ(s->coded_block_base, y_size);
s->coded_block= s->coded_block_base + s->b8_stride + 1; |
115329f1 |
|
7f2fe444 |
/* cbp, ac_pred, pred_dir */ |
7bc9090a |
CHECKED_ALLOCZ(s->cbp_table , mb_array_size * sizeof(uint8_t))
CHECKED_ALLOCZ(s->pred_dir_table, mb_array_size * sizeof(uint8_t)) |
5b3438c6 |
} |
115329f1 |
|
8b32880c |
if (s->h263_pred || s->h263_plus || !s->encoding) {
/* dc values */
//MN: we need these for error resilience of intra-frames |
137c8468 |
CHECKED_ALLOCZ(s->dc_val_base, yc_size * sizeof(int16_t));
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; |
8b32880c |
s->dc_val[2] = s->dc_val[1] + c_size;
for(i=0;i<yc_size;i++) |
137c8468 |
s->dc_val_base[i] = 1024; |
8b32880c |
}
|
7806197d |
/* which mb is a intra block */ |
7bc9090a |
CHECKED_ALLOCZ(s->mbintra_table, mb_array_size);
memset(s->mbintra_table, 1, mb_array_size); |
115329f1 |
|
3bb4e23a |
/* init macroblock skip table */ |
7bc9090a |
CHECKED_ALLOCZ(s->mbskip_table, mb_array_size+2); |
4d2858de |
//Note the +1 is for a quicker mpeg4 slice_end detection |
f943e138 |
CHECKED_ALLOCZ(s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE); |
115329f1 |
|
d7425f59 |
s->parse_context.state= -1; |
0c9bbaec |
if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){
s->visualization_buffer[0] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH); |
014d2f05 |
s->visualization_buffer[1] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH);
s->visualization_buffer[2] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH); |
0c9bbaec |
} |
d7425f59 |
|
de6d9b64 |
s->context_initialized = 1; |
9c3d33d6 |
s->thread_context[0]= s; |
79db7ac6 |
threads = s->avctx->thread_count; |
afebe2f7 |
for(i=1; i<threads; i++){ |
9c3d33d6 |
s->thread_context[i]= av_malloc(sizeof(MpegEncContext));
memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
}
|
afebe2f7 |
for(i=0; i<threads; i++){ |
9c3d33d6 |
if(init_duplicate_context(s->thread_context[i], s) < 0)
goto fail;
s->thread_context[i]->start_mb_y= (s->mb_height*(i ) + s->avctx->thread_count/2) / s->avctx->thread_count;
s->thread_context[i]->end_mb_y = (s->mb_height*(i+1) + s->avctx->thread_count/2) / s->avctx->thread_count;
}
|
de6d9b64 |
return 0;
fail: |
8257bf05 |
MPV_common_end(s); |
de6d9b64 |
return -1;
}
/* init common structure for both encoder and decoder */
void MPV_common_end(MpegEncContext *s)
{ |
bb198e19 |
int i, j, k; |
de6d9b64 |
|
9c3d33d6 |
for(i=0; i<s->avctx->thread_count; i++){
free_duplicate_context(s->thread_context[i]);
}
for(i=1; i<s->avctx->thread_count; i++){
av_freep(&s->thread_context[i]);
}
|
147e5200 |
av_freep(&s->parse_context.buffer);
s->parse_context.buffer_size=0;
|
6000abfa |
av_freep(&s->mb_type); |
7bc9090a |
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; |
bb198e19 |
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]);
} |
115329f1 |
|
137c8468 |
av_freep(&s->dc_val_base);
av_freep(&s->ac_val_base);
av_freep(&s->coded_block_base); |
6000abfa |
av_freep(&s->mbintra_table); |
7f2fe444 |
av_freep(&s->cbp_table);
av_freep(&s->pred_dir_table); |
115329f1 |
|
6000abfa |
av_freep(&s->mbskip_table); |
f943e138 |
av_freep(&s->prev_pict_types); |
6000abfa |
av_freep(&s->bitstream_buffer); |
0ecca7a4 |
s->allocated_bitstream_buffer_size=0;
|
3aa102be |
av_freep(&s->avctx->stats_out); |
6b460aa3 |
av_freep(&s->ac_stats); |
4d2858de |
av_freep(&s->error_status_table); |
7bc9090a |
av_freep(&s->mb_index2xy); |
158c7f05 |
av_freep(&s->lambda_table); |
7e4995c3 |
av_freep(&s->q_intra_matrix);
av_freep(&s->q_inter_matrix); |
642ccefb |
av_freep(&s->q_intra_matrix16);
av_freep(&s->q_inter_matrix16); |
9d9e3172 |
av_freep(&s->input_picture);
av_freep(&s->reordered_input_picture); |
821cb11f |
av_freep(&s->dct_offset); |
1e491e29 |
|
9b4b6e09 |
if(s->picture){
for(i=0; i<MAX_PICTURE_COUNT; i++){
free_picture(s, &s->picture[i]);
} |
de6d9b64 |
} |
b465449e |
av_freep(&s->picture); |
de6d9b64 |
s->context_initialized = 0; |
431f2172 |
s->last_picture_ptr=
s->next_picture_ptr=
s->current_picture_ptr= NULL; |
b100eab8 |
s->linesize= s->uvlinesize= 0; |
8100cab9 |
|
0c9bbaec |
for(i=0; i<3; i++) |
8100cab9 |
av_freep(&s->visualization_buffer[i]); |
b100eab8 |
avcodec_default_free_buffers(s->avctx); |
de6d9b64 |
}
|
3502a54f |
void init_rl(RLTable *rl, uint8_t static_store[2][2*MAX_RUN + MAX_LEVEL + 3]) |
1d0d55da |
{ |
0c1a9eda |
int8_t max_level[MAX_RUN+1], max_run[MAX_LEVEL+1];
uint8_t index_run[MAX_RUN+1]; |
1d0d55da |
int last, run, level, start, end, i;
|
073c2593 |
/* If table is static, we can quit if rl->max_level[0] is not NULL */ |
3502a54f |
if(static_store && rl->max_level[0]) |
073c2593 |
return;
|
1d0d55da |
/* 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;
} |
3502a54f |
if(static_store)
rl->max_level[last] = static_store[last]; |
073c2593 |
else
rl->max_level[last] = av_malloc(MAX_RUN + 1); |
1d0d55da |
memcpy(rl->max_level[last], max_level, MAX_RUN + 1); |
3502a54f |
if(static_store)
rl->max_run[last] = static_store[last] + MAX_RUN + 1; |
073c2593 |
else
rl->max_run[last] = av_malloc(MAX_LEVEL + 1); |
1d0d55da |
memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1); |
3502a54f |
if(static_store)
rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2; |
073c2593 |
else
rl->index_run[last] = av_malloc(MAX_RUN + 1); |
1d0d55da |
memcpy(rl->index_run[last], index_run, MAX_RUN + 1);
}
}
|
ceaaf78b |
void init_vlc_rl(RLTable *rl) |
898d5d5d |
{
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;
}
}
}
|
5f194811 |
int ff_find_unused_picture(MpegEncContext *s, int shared){ |
4e00e76b |
int i; |
115329f1 |
|
4e00e76b |
if(shared){
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
5f194811 |
if(s->picture[i].data[0]==NULL && s->picture[i].type==0) return i; |
4e00e76b |
}
}else{
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
5f194811 |
if(s->picture[i].data[0]==NULL && s->picture[i].type!=0) return i; //FIXME |
4e00e76b |
}
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
5f194811 |
if(s->picture[i].data[0]==NULL) return i; |
4e00e76b |
}
}
|
3c11a27b |
av_log(s->avctx, AV_LOG_FATAL, "Internal error, picture buffer overflow\n"); |
3a994ca4 |
/* 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 ...
*/ |
3c11a27b |
abort(); |
5f194811 |
return -1; |
4e00e76b |
}
|
821cb11f |
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;
} |
115329f1 |
|
821cb11f |
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);
}
}
}
|
5f194811 |
/**
* generic function for encode/decode called after coding/decoding the header and before a frame is coded/decoded
*/ |
d6db1c9c |
int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx) |
de6d9b64 |
{ |
4e00e76b |
int i; |
492cd3a9 |
AVFrame *pic; |
160d679c |
s->mb_skipped = 0; |
0da71265 |
|
8b82a956 |
assert(s->last_picture_ptr==NULL || s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3); |
e20c4069 |
|
1e491e29 |
/* mark&release old frames */ |
9701840b |
if (s->pict_type != FF_B_TYPE && s->last_picture_ptr && s->last_picture_ptr != s->next_picture_ptr && s->last_picture_ptr->data[0]) { |
6ad7cd04 |
if(s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3){ |
b536d0aa |
avctx->release_buffer(avctx, (AVFrame*)s->last_picture_ptr); |
1e491e29 |
/* release forgotten pictures */
/* if(mpeg124/h263) */
if(!s->encoding){
for(i=0; i<MAX_PICTURE_COUNT; i++){ |
b536d0aa |
if(s->picture[i].data[0] && &s->picture[i] != s->next_picture_ptr && s->picture[i].reference){ |
9b879566 |
av_log(avctx, AV_LOG_ERROR, "releasing zombie picture\n"); |
115329f1 |
avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]); |
1e491e29 |
}
} |
d6db1c9c |
} |
6ad7cd04 |
} |
93a21abd |
} |
aa388dba |
alloc:
if(!s->encoding){ |
bb628dae |
/* release non reference frames */ |
e20c4069 |
for(i=0; i<MAX_PICTURE_COUNT; i++){
if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]);
}
}
|
5f194811 |
if(s->current_picture_ptr && s->current_picture_ptr->data[0]==NULL) |
bd107136 |
pic= (AVFrame*)s->current_picture_ptr; //we already have a unused image (maybe it was set before reading the header) |
5f194811 |
else{
i= ff_find_unused_picture(s, 0);
pic= (AVFrame*)&s->picture[i];
}
|
2ddcf84b |
pic->reference= 0;
if (!s->dropable){
if (s->codec_id == CODEC_ID_H264)
pic->reference = s->picture_structure; |
9701840b |
else if (s->pict_type != FF_B_TYPE) |
2ddcf84b |
pic->reference = 3;
} |
b536d0aa |
|
1031fabd |
pic->coded_picture_number= s->coded_picture_number++; |
115329f1 |
|
f23a68df |
if( alloc_picture(s, (Picture*)pic, 0) < 0)
return -1; |
93a21abd |
|
5f194811 |
s->current_picture_ptr= (Picture*)pic; |
c70f1716 |
s->current_picture_ptr->top_field_first= s->top_field_first; //FIXME use only the vars from current_pic |
2be9f03a |
s->current_picture_ptr->interlaced_frame= !s->progressive_frame && !s->progressive_sequence; |
1e491e29 |
} |
b7adc711 |
|
9f2e61b6 |
s->current_picture_ptr->pict_type= s->pict_type; |
115329f1 |
// if(s->flags && CODEC_FLAG_QSCALE) |
158c7f05 |
// s->current_picture_ptr->quality= s->new_picture_ptr->quality; |
9701840b |
s->current_picture_ptr->key_frame= s->pict_type == FF_I_TYPE; |
9f2e61b6 |
|
8d2fc163 |
ff_copy_picture(&s->current_picture, s->current_picture_ptr); |
115329f1 |
|
9701840b |
if (s->pict_type != FF_B_TYPE) { |
b536d0aa |
s->last_picture_ptr= s->next_picture_ptr; |
14e2a940 |
if(!s->dropable)
s->next_picture_ptr= s->current_picture_ptr; |
de6d9b64 |
} |
14e2a940 |
/* av_log(s->avctx, AV_LOG_DEBUG, "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, |
115329f1 |
s->last_picture_ptr ? s->last_picture_ptr->data[0] : NULL,
s->next_picture_ptr ? s->next_picture_ptr->data[0] : NULL, |
14e2a940 |
s->current_picture_ptr ? s->current_picture_ptr->data[0] : NULL,
s->pict_type, s->dropable);*/ |
115329f1 |
|
8d2fc163 |
if(s->last_picture_ptr) ff_copy_picture(&s->last_picture, s->last_picture_ptr);
if(s->next_picture_ptr) ff_copy_picture(&s->next_picture, s->next_picture_ptr); |
115329f1 |
|
fe67a236 |
if(s->pict_type != FF_I_TYPE && (s->last_picture_ptr==NULL || s->last_picture_ptr->data[0]==NULL) && !s->dropable && s->codec_id != CODEC_ID_H264){ |
9b879566 |
av_log(avctx, AV_LOG_ERROR, "warning: first frame is no keyframe\n"); |
9701840b |
assert(s->pict_type != FF_B_TYPE); //these should have been dropped if we don't have a reference |
ffba1dc0 |
goto alloc;
}
|
9701840b |
assert(s->pict_type == FF_I_TYPE || (s->last_picture_ptr && s->last_picture_ptr->data[0])); |
ffba1dc0 |
|
12d96de3 |
if(s->picture_structure!=PICT_FRAME && s->out_format != FMT_H264){ |
b536d0aa |
int i;
for(i=0; i<4; i++){
if(s->picture_structure == PICT_BOTTOM_FIELD){
s->current_picture.data[i] += s->current_picture.linesize[i]; |
115329f1 |
} |
b536d0aa |
s->current_picture.linesize[i] *= 2;
s->last_picture.linesize[i] *=2;
s->next_picture.linesize[i] *=2;
}
} |
115329f1 |
|
aa388dba |
s->hurry_up= s->avctx->hurry_up; |
047599a4 |
s->error_recognition= avctx->error_recognition; |
aa388dba |
|
bb628dae |
/* set dequantizer, we can't do it during init as it might change for mpeg4 |
755bfeab |
and we can't do it in the header decode as init is not called for mpeg4 there yet */ |
d50635cd |
if(s->mpeg_quant || s->codec_id == CODEC_ID_MPEG2VIDEO){
s->dct_unquantize_intra = s->dct_unquantize_mpeg2_intra;
s->dct_unquantize_inter = s->dct_unquantize_mpeg2_inter; |
ccff9da6 |
}else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){ |
d50635cd |
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;
} |
d6db1c9c |
|
821cb11f |
if(s->dct_error_sum){
assert(s->avctx->noise_reduction && s->encoding);
update_noise_reduction(s);
} |
115329f1 |
|
83344066 |
if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration) |
a002da79 |
return ff_xvmc_field_start(s, avctx); |
83344066 |
|
d6db1c9c |
return 0; |
de6d9b64 |
} |
21af69f7 |
|
de6d9b64 |
/* generic function for encode/decode called after a frame has been coded/decoded */
void MPV_frame_end(MpegEncContext *s)
{ |
1e491e29 |
int i; |
de6d9b64 |
/* draw edge for correct motion prediction if outside */ |
38425603 |
//just to make sure that all data is rendered. |
83344066 |
if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){ |
a002da79 |
ff_xvmc_field_end(s); |
c269cf68 |
}else if(!s->avctx->hwaccel
&& !(s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) |
369122dd |
&& s->unrestricted_mv
&& s->current_picture.reference
&& !s->intra_only
&& !(s->flags&CODEC_FLAG_EMU_EDGE)) { |
5a6a9e78 |
s->dsp.draw_edges(s->current_picture.data[0], s->linesize , s->h_edge_pos , s->v_edge_pos , EDGE_WIDTH );
s->dsp.draw_edges(s->current_picture.data[1], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
s->dsp.draw_edges(s->current_picture.data[2], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2); |
de6d9b64 |
} |
5975626d |
emms_c(); |
115329f1 |
|
3aa102be |
s->last_pict_type = s->pict_type; |
88e51e1f |
s->last_lambda_for[s->pict_type]= s->current_picture_ptr->quality; |
9701840b |
if(s->pict_type!=FF_B_TYPE){ |
8b4c7dbc |
s->last_non_b_pict_type= s->pict_type;
} |
b536d0aa |
#if 0
/* copy back current_picture variables */ |
1e491e29 |
for(i=0; i<MAX_PICTURE_COUNT; i++){
if(s->picture[i].data[0] == s->current_picture.data[0]){
s->picture[i]= s->current_picture;
break; |
115329f1 |
} |
1e491e29 |
}
assert(i<MAX_PICTURE_COUNT); |
115329f1 |
#endif |
1e491e29 |
|
e20c4069 |
if(s->encoding){ |
bb628dae |
/* release non-reference frames */ |
e20c4069 |
for(i=0; i<MAX_PICTURE_COUNT; i++){
if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]);
}
} |
1e491e29 |
} |
b536d0aa |
// 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 |
7b37a6e9 |
s->avctx->coded_frame= (AVFrame*)s->current_picture_ptr; |
de6d9b64 |
}
|
7bc9090a |
/** |
db6e7795 |
* draws an 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){ |
67eca72d |
int x, y, fr, f; |
115329f1 |
|
f66e4f5f |
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); |
115329f1 |
|
db6e7795 |
buf[sy*stride + sx]+= color; |
115329f1 |
|
c26abfa5 |
if(FFABS(ex - sx) > FFABS(ey - sy)){ |
db6e7795 |
if(sx > ex){ |
1345f4ed |
FFSWAP(int, sx, ex);
FFSWAP(int, sy, ey); |
db6e7795 |
}
buf+= sx + sy*stride;
ex-= sx;
f= ((ey-sy)<<16)/ex;
for(x= 0; x <= ex; x++){ |
8100cab9 |
y = (x*f)>>16;
fr= (x*f)&0xFFFF;
buf[ y *stride + x]+= (color*(0x10000-fr))>>16;
buf[(y+1)*stride + x]+= (color* fr )>>16; |
db6e7795 |
}
}else{
if(sy > ey){ |
1345f4ed |
FFSWAP(int, sx, ex);
FFSWAP(int, sy, ey); |
db6e7795 |
}
buf+= sx + sy*stride;
ey-= sy;
if(ey) f= ((ex-sx)<<16)/ey;
else f= 0;
for(y= 0; y <= ey; y++){ |
8100cab9 |
x = (y*f)>>16;
fr= (y*f)&0xFFFF; |
cea96420 |
buf[y*stride + x ]+= (color*(0x10000-fr))>>16;
buf[y*stride + x+1]+= (color* fr )>>16; |
db6e7795 |
}
}
}
/**
* draws 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
*/ |
115329f1 |
static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){ |
db6e7795 |
int dx,dy;
|
f66e4f5f |
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); |
115329f1 |
|
db6e7795 |
dx= ex - sx;
dy= ey - sy; |
115329f1 |
|
db6e7795 |
if(dx*dx + dy*dy > 3*3){
int rx= dx + dy;
int ry= -dx + dy;
int length= ff_sqrt((rx*rx + ry*ry)<<8); |
115329f1 |
|
db6e7795 |
//FIXME subpixel accuracy
rx= ROUNDED_DIV(rx*3<<4, length);
ry= ROUNDED_DIV(ry*3<<4, length); |
115329f1 |
|
db6e7795 |
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);
}
/** |
7bc9090a |
* prints debuging info for the given picture.
*/ |
0c9bbaec |
void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){ |
7bc9090a |
|
7f802534 |
if(s->avctx->hwaccel) return; |
7bc9090a |
if(!pict || !pict->mb_type) return;
if(s->avctx->debug&(FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)){
int x,y; |
115329f1 |
|
0c9bbaec |
av_log(s->avctx,AV_LOG_DEBUG,"New frame, type: ");
switch (pict->pict_type) {
case FF_I_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"I\n"); break;
case FF_P_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"P\n"); break;
case FF_B_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"B\n"); break;
case FF_S_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"S\n"); break;
case FF_SI_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"SI\n"); break; |
115329f1 |
case FF_SP_TYPE: av_log(s->avctx,AV_LOG_DEBUG,"SP\n"); break; |
0c9bbaec |
} |
7bc9090a |
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; |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "%1d", count); |
7bc9090a |
}
if(s->avctx->debug&FF_DEBUG_QP){ |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "%2d", pict->qscale_table[x + y*s->mb_stride]); |
7bc9090a |
}
if(s->avctx->debug&FF_DEBUG_MB_TYPE){
int mb_type= pict->mb_type[x + y*s->mb_stride];
//Type & MV direction
if(IS_PCM(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "P"); |
7bc9090a |
else if(IS_INTRA(mb_type) && IS_ACPRED(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "A"); |
7bc9090a |
else if(IS_INTRA4x4(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "i"); |
7bc9090a |
else if(IS_INTRA16x16(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "I"); |
7bc9090a |
else if(IS_DIRECT(mb_type) && IS_SKIP(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "d"); |
7bc9090a |
else if(IS_DIRECT(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "D"); |
7bc9090a |
else if(IS_GMC(mb_type) && IS_SKIP(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "g"); |
7bc9090a |
else if(IS_GMC(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "G"); |
7bc9090a |
else if(IS_SKIP(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "S"); |
7bc9090a |
else if(!USES_LIST(mb_type, 1)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, ">"); |
7bc9090a |
else if(!USES_LIST(mb_type, 0)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "<"); |
7bc9090a |
else{
assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1)); |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "X"); |
7bc9090a |
} |
115329f1 |
|
7bc9090a |
//segmentation
if(IS_8X8(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "+"); |
7bc9090a |
else if(IS_16X8(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "-"); |
7bc9090a |
else if(IS_8X16(mb_type)) |
30344a83 |
av_log(s->avctx, AV_LOG_DEBUG, "|"); |
7bc9090a |
else if(IS_INTRA(mb_type) || IS_16X16(mb_type)) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, " "); |
7bc9090a |
else |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "?"); |
115329f1 |
|
7bc9090a |
if(IS_INTERLACED(mb_type) && s->codec_id == CODEC_ID_H264) |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "="); |
7bc9090a |
else |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, " "); |
7bc9090a |
} |
9b879566 |
// av_log(s->avctx, AV_LOG_DEBUG, " "); |
7bc9090a |
} |
9b879566 |
av_log(s->avctx, AV_LOG_DEBUG, "\n"); |
7bc9090a |
}
} |
8d7ec294 |
|
0c9bbaec |
if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){ |
db6e7795 |
const int shift= 1 + s->quarter_sample;
int mb_y; |
0c9bbaec |
uint8_t *ptr;
int i; |
014d2f05 |
int h_chroma_shift, v_chroma_shift, block_height; |
4f8a8319 |
const int width = s->avctx->width;
const int height= s->avctx->height; |
650cec0c |
const int mv_sample_log2= 4 - pict->motion_subsample_log2; |
c6f9e821 |
const int mv_stride= (s->mb_width << mv_sample_log2) + (s->codec_id == CODEC_ID_H264 ? 0 : 1); |
b846b231 |
s->low_delay=0; //needed to see the vectors without trashing the buffers |
0c9bbaec |
|
0982834b |
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift); |
0c9bbaec |
for(i=0; i<3; i++){ |
4f8a8319 |
memcpy(s->visualization_buffer[i], pict->data[i], (i==0) ? pict->linesize[i]*height:pict->linesize[i]*height >> v_chroma_shift); |
0c9bbaec |
pict->data[i]= s->visualization_buffer[i];
}
pict->type= FF_BUFFER_TYPE_COPY;
ptr= pict->data[0]; |
014d2f05 |
block_height = 16>>v_chroma_shift; |
db6e7795 |
for(mb_y=0; mb_y<s->mb_height; mb_y++){
int mb_x;
for(mb_x=0; mb_x<s->mb_width; mb_x++){
const int mb_index= mb_x + mb_y*s->mb_stride; |
0c9bbaec |
if((s->avctx->debug_mv) && pict->motion_val){
int type;
for(type=0; type<3; type++){ |
e96682e6 |
int direction = 0; |
0c9bbaec |
switch (type) {
case 0: if ((!(s->avctx->debug_mv&FF_DEBUG_VIS_MV_P_FOR)) || (pict->pict_type!=FF_P_TYPE))
continue;
direction = 0;
break;
case 1: if ((!(s->avctx->debug_mv&FF_DEBUG_VIS_MV_B_FOR)) || (pict->pict_type!=FF_B_TYPE))
continue;
direction = 0;
break;
case 2: if ((!(s->avctx->debug_mv&FF_DEBUG_VIS_MV_B_BACK)) || (pict->pict_type!=FF_B_TYPE))
continue;
direction = 1;
break;
} |
ae55b533 |
if(!USES_LIST(pict->mb_type[mb_index], direction))
continue;
|
0c9bbaec |
if(IS_8X8(pict->mb_type[mb_index])){
int i;
for(i=0; i<4; i++){ |
db6e7795 |
int sx= mb_x*16 + 4 + 8*(i&1);
int sy= mb_y*16 + 4 + 8*(i>>1); |
88730be6 |
int xy= (mb_x*2 + (i&1) + (mb_y*2 + (i>>1))*mv_stride) << (mv_sample_log2-1); |
0c9bbaec |
int mx= (pict->motion_val[direction][xy][0]>>shift) + sx;
int my= (pict->motion_val[direction][xy][1]>>shift) + sy; |
4f8a8319 |
draw_arrow(ptr, sx, sy, mx, my, width, height, s->linesize, 100); |
0c9bbaec |
}
}else if(IS_16X8(pict->mb_type[mb_index])){
int i;
for(i=0; i<2; i++){ |
9bc8b386 |
int sx=mb_x*16 + 8;
int sy=mb_y*16 + 4 + 8*i; |
88730be6 |
int xy= (mb_x*2 + (mb_y*2 + i)*mv_stride) << (mv_sample_log2-1); |
650cec0c |
int mx=(pict->motion_val[direction][xy][0]>>shift);
int my=(pict->motion_val[direction][xy][1]>>shift); |
115329f1 |
|
650cec0c |
if(IS_INTERLACED(pict->mb_type[mb_index]))
my*=2; |
115329f1 |
|
650cec0c |
draw_arrow(ptr, sx, sy, mx+sx, my+sy, width, height, s->linesize, 100);
}
}else if(IS_8X16(pict->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; |
88730be6 |
int xy= (mb_x*2 + i + mb_y*2*mv_stride) << (mv_sample_log2-1); |
38030214 |
int mx=(pict->motion_val[direction][xy][0]>>shift);
int my=(pict->motion_val[direction][xy][1]>>shift); |
115329f1 |
|
38030214 |
if(IS_INTERLACED(pict->mb_type[mb_index]))
my*=2; |
115329f1 |
|
4f8a8319 |
draw_arrow(ptr, sx, sy, mx+sx, my+sy, width, height, s->linesize, 100); |
0c9bbaec |
}
}else{
int sx= mb_x*16 + 8;
int sy= mb_y*16 + 8; |
650cec0c |
int xy= (mb_x + mb_y*mv_stride) << mv_sample_log2; |
0c9bbaec |
int mx= (pict->motion_val[direction][xy][0]>>shift) + sx;
int my= (pict->motion_val[direction][xy][1]>>shift) + sy; |
4f8a8319 |
draw_arrow(ptr, sx, sy, mx, my, width, height, s->linesize, 100); |
9bc8b386 |
} |
115329f1 |
} |
864119b6 |
}
if((s->avctx->debug&FF_DEBUG_VIS_QP) && pict->motion_val){
uint64_t c= (pict->qscale_table[mb_index]*128/31) * 0x0101010101010101ULL;
int y; |
014d2f05 |
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; |
864119b6 |
}
}
if((s->avctx->debug&FF_DEBUG_VIS_MB_TYPE) && pict->motion_val){
int mb_type= pict->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));
|
115329f1 |
|
864119b6 |
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{
assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
COLOR(300,48)
}
u*= 0x0101010101010101ULL;
v*= 0x0101010101010101ULL; |
014d2f05 |
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; |
864119b6 |
}
//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;
} |
e21f3983 |
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*)&pict->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;
}
} |
115329f1 |
|
864119b6 |
if(IS_INTERLACED(mb_type) && s->codec_id == CODEC_ID_H264){
// hmm
} |
db6e7795 |
}
s->mbskip_table[mb_index]=0;
}
}
} |
7bc9090a |
}
|
115329f1 |
static inline int hpel_motion_lowres(MpegEncContext *s, |
ac8b03c0 |
uint8_t *dest, uint8_t *src,
int field_based, int field_select,
int src_x, int src_y,
int width, int height, int 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 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); |
115329f1 |
|
ac8b03c0 |
src += src_y * stride + src_x;
if( (unsigned)src_x > h_edge_pos - (!!sx) - w
|| (unsigned)src_y >(v_edge_pos >> field_based) - (!!sy) - h){
ff_emulated_edge_mc(s->edge_emu_buffer, 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 <<= 2 - lowres;
sy <<= 2 - lowres;
if(field_select)
src += s->linesize;
pix_op[lowres](dest, src, stride, h, sx, sy);
return emu;
}
|
de6d9b64 |
/* apply one mpeg motion vector to the three components */ |
849f1035 |
static av_always_inline void mpeg_motion_lowres(MpegEncContext *s, |
178fcca8 |
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)
{
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, uvlinesize, linesize, sx, sy, uvsx, uvsy;
const int lowres= s->avctx->lowres;
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.linesize[0] << field_based;
uvlinesize = s->current_picture.linesize[1] << field_based;
|
ca74c0a1 |
if(s->quarter_sample){ //FIXME obviously not perfect but qpel will not work in lowres anyway |
da9c9637 |
motion_x/=2;
motion_y/=2;
} |
115329f1 |
|
da9c9637 |
if(field_based){
motion_y += (bottom_field - field_select)*((1<<lowres)-1);
}
|
178fcca8 |
sx= motion_x & s_mask;
sy= motion_y & s_mask;
src_x = s->mb_x*2*block_s + (motion_x >> (lowres+1)); |
da9c9637 |
src_y =(s->mb_y*2*block_s>>field_based) + (motion_y >> (lowres+1)); |
115329f1 |
|
178fcca8 |
if (s->out_format == FMT_H263) { |
71845595 |
uvsx = ((motion_x>>1) & s_mask) | (sx&1);
uvsy = ((motion_y>>1) & s_mask) | (sy&1); |
178fcca8 |
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 = s->mb_y*block_s + (my >> lowres);
} else {
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)); |
da9c9637 |
uvsrc_y =(s->mb_y*block_s>>field_based) + (my >> (lowres+1)); |
178fcca8 |
}
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 > h_edge_pos - (!!sx) - 2*block_s
|| (unsigned)src_y >(v_edge_pos >> field_based) - (!!sy) - h){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based,
src_x, src_y<<field_based, h_edge_pos, v_edge_pos);
ptr_y = s->edge_emu_buffer; |
49fb20cb |
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
178fcca8 |
uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize; |
115329f1 |
ff_emulated_edge_mc(uvbuf , ptr_cb, s->uvlinesize, 9, 9+field_based, |
178fcca8 |
uvsrc_x, uvsrc_y<<field_based, h_edge_pos>>1, v_edge_pos>>1); |
115329f1 |
ff_emulated_edge_mc(uvbuf+16, ptr_cr, s->uvlinesize, 9, 9+field_based, |
178fcca8 |
uvsrc_x, uvsrc_y<<field_based, h_edge_pos>>1, v_edge_pos>>1);
ptr_cb= uvbuf;
ptr_cr= uvbuf+16;
}
}
|
da9c9637 |
if(bottom_field){ //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data
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;
}
|
178fcca8 |
sx <<= 2 - lowres;
sy <<= 2 - lowres;
pix_op[lowres-1](dest_y, ptr_y, linesize, h, sx, sy); |
115329f1 |
|
49fb20cb |
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
178fcca8 |
uvsx <<= 2 - lowres;
uvsy <<= 2 - lowres;
pix_op[lowres](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy);
pix_op[lowres](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy);
} |
5f6c92d4 |
//FIXME h261 lowres loop filter |
178fcca8 |
}
|
ac8b03c0 |
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 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, offset, sx, sy;
uint8_t *ptr; |
115329f1 |
|
ac8b03c0 |
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); |
115329f1 |
|
ac8b03c0 |
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)); |
115329f1 |
|
ac8b03c0 |
offset = src_y * s->uvlinesize + src_x;
ptr = ref_picture[1] + offset;
if(s->flags&CODEC_FLAG_EMU_EDGE){
if( (unsigned)src_x > h_edge_pos - (!!sx) - block_s
|| (unsigned)src_y > v_edge_pos - (!!sy) - block_s){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, h_edge_pos, v_edge_pos);
ptr= s->edge_emu_buffer;
emu=1;
} |
115329f1 |
} |
ac8b03c0 |
sx <<= 2 - lowres;
sy <<= 2 - lowres;
pix_op[lowres](dest_cb, ptr, s->uvlinesize, block_s, sx, sy); |
115329f1 |
|
ac8b03c0 |
ptr = ref_picture[2] + offset;
if(emu){
ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, h_edge_pos, v_edge_pos);
ptr= s->edge_emu_buffer;
}
pix_op[lowres](dest_cr, ptr, s->uvlinesize, block_s, sx, sy);
}
|
178fcca8 |
/** |
bb628dae |
* motion compensation of a single macroblock |
178fcca8 |
* @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 pic_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
*/ |
115329f1 |
static inline void MPV_motion_lowres(MpegEncContext *s, |
178fcca8 |
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, |
115329f1 |
int dir, uint8_t **ref_picture, |
178fcca8 |
h264_chroma_mc_func *pix_op)
{ |
ac8b03c0 |
int mx, my; |
da9c9637 |
int mb_x, mb_y, i;
const int lowres= s->avctx->lowres; |
115329f1 |
const int block_s= 8>>lowres; |
da9c9637 |
mb_x = s->mb_x;
mb_y = s->mb_y;
switch(s->mv_type) {
case MV_TYPE_16X16: |
115329f1 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
da9c9637 |
0, 0, 0,
ref_picture, pix_op,
s->mv[dir][0][0], s->mv[dir][0][1], 2*block_s);
break; |
ac8b03c0 |
case MV_TYPE_8X8: |
da9c9637 |
mx = 0;
my = 0;
for(i=0;i<4;i++) { |
ac8b03c0 |
hpel_motion_lowres(s, dest_y + ((i & 1) + (i >> 1) * s->linesize)*block_s, |
da9c9637 |
ref_picture[0], 0, 0, |
ac8b03c0 |
(2*mb_x + (i & 1))*block_s, (2*mb_y + (i >>1))*block_s, |
da9c9637 |
s->width, s->height, s->linesize, |
ac8b03c0 |
s->h_edge_pos >> lowres, s->v_edge_pos >> lowres,
block_s, block_s, pix_op, |
da9c9637 |
s->mv[dir][i][0], s->mv[dir][i][1]);
mx += s->mv[dir][i][0];
my += s->mv[dir][i][1];
}
|
49fb20cb |
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)) |
ac8b03c0 |
chroma_4mv_motion_lowres(s, dest_cb, dest_cr, ref_picture, pix_op, mx, my);
break; |
da9c9637 |
case MV_TYPE_FIELD:
if (s->picture_structure == PICT_FRAME) { |
115329f1 |
/* top field */ |
da9c9637 |
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);
/* 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);
} else { |
9701840b |
if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != FF_B_TYPE && !s->first_field){ |
da9c9637 |
ref_picture= s->current_picture_ptr->data; |
115329f1 |
} |
da9c9637 |
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);
}
break;
case MV_TYPE_16X8:
for(i=0; i<2; i++){
uint8_t ** ref2picture;
|
9701840b |
if(s->picture_structure == s->field_select[dir][i] + 1 || s->pict_type == FF_B_TYPE || s->first_field){ |
da9c9637 |
ref2picture= ref_picture;
}else{
ref2picture= s->current_picture_ptr->data; |
115329f1 |
} |
da9c9637 |
|
115329f1 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
da9c9637 |
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); |
115329f1 |
|
da9c9637 |
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; |
115329f1 |
} |
da9c9637 |
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);
}
pix_op = s->dsp.avg_h264_chroma_pixels_tab;
}
}else{
for(i=0; i<2; i++){ |
115329f1 |
mpeg_motion_lowres(s, dest_y, dest_cb, dest_cr, |
da9c9637 |
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);
// after put we make avg of the same block
pix_op = s->dsp.avg_h264_chroma_pixels_tab;
//opposite parity is always in the same frame if this is second field
if(!s->first_field){ |
115329f1 |
ref_picture = s->current_picture_ptr->data; |
da9c9637 |
}
}
}
break;
default: assert(0);
} |
178fcca8 |
} |
de6d9b64 |
/* put block[] to dest[] */ |
115329f1 |
static inline void put_dct(MpegEncContext *s, |
6beeb962 |
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale) |
de6d9b64 |
{ |
d50635cd |
s->dct_unquantize_intra(s, block, i, qscale); |
b0368839 |
s->dsp.idct_put (dest, line_size, block); |
de6d9b64 |
}
/* add block[] to dest[] */ |
115329f1 |
static inline void add_dct(MpegEncContext *s, |
0c1a9eda |
DCTELEM *block, int i, uint8_t *dest, int line_size) |
de6d9b64 |
{ |
0f440e02 |
if (s->block_last_index[i] >= 0) { |
b0368839 |
s->dsp.idct_add (dest, line_size, block); |
0f440e02 |
}
} |
2417652e |
|
115329f1 |
static inline void add_dequant_dct(MpegEncContext *s, |
332f9ac4 |
DCTELEM *block, int i, uint8_t *dest, int line_size, int qscale) |
0f440e02 |
{ |
de6d9b64 |
if (s->block_last_index[i] >= 0) { |
d50635cd |
s->dct_unquantize_inter(s, block, i, qscale); |
9dbcbd92 |
|
b0368839 |
s->dsp.idct_add (dest, line_size, block); |
de6d9b64 |
}
}
|
7f2fe444 |
/**
* cleans dc, ac, coded_block for the current non intra MB
*/
void ff_clean_intra_table_entries(MpegEncContext *s)
{ |
137c8468 |
int wrap = s->b8_stride; |
7f2fe444 |
int xy = s->block_index[0]; |
115329f1 |
s->dc_val[0][xy ] =
s->dc_val[0][xy + 1 ] = |
7f2fe444 |
s->dc_val[0][xy + wrap] =
s->dc_val[0][xy + 1 + wrap] = 1024;
/* ac pred */ |
0c1a9eda |
memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t));
memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t)); |
7f2fe444 |
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 */ |
137c8468 |
wrap = s->mb_stride;
xy = s->mb_x + s->mb_y * wrap; |
7f2fe444 |
s->dc_val[1][xy] =
s->dc_val[2][xy] = 1024;
/* ac pred */ |
0c1a9eda |
memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t));
memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t)); |
115329f1 |
|
137c8468 |
s->mbintra_table[xy]= 0; |
7f2fe444 |
}
|
de6d9b64 |
/* 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)
*/ |
54816a3e |
static av_always_inline
void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64], |
bd7c626a |
int lowres_flag, int is_mpeg12) |
de6d9b64 |
{ |
8257bf05 |
int mb_x, mb_y; |
7bc9090a |
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x; |
83344066 |
if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){ |
78f9a878 |
ff_xvmc_decode_mb(s);//xvmc uses pblocks |
2e7b4c84 |
return;
} |
de6d9b64 |
mb_x = s->mb_x;
mb_y = s->mb_y;
|
8289c6fa |
if(s->avctx->debug&FF_DEBUG_DCT_COEFF) {
/* save DCT coefficients */
int i,j;
DCTELEM *dct = &s->current_picture.dct_coeff[mb_xy*64*6];
for(i=0; i<6; i++)
for(j=0; j<64; j++)
*dct++ = block[i][s->dsp.idct_permutation[j]];
}
|
1e491e29 |
s->current_picture.qscale_table[mb_xy]= s->qscale; |
79e7b305 |
|
de6d9b64 |
/* update DC predictors for P macroblocks */
if (!s->mb_intra) { |
bd7c626a |
if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) { |
0f440e02 |
if(s->mbintra_table[mb_xy]) |
7f2fe444 |
ff_clean_intra_table_entries(s); |
de6d9b64 |
} else { |
7f2fe444 |
s->last_dc[0] =
s->last_dc[1] = |
de6d9b64 |
s->last_dc[2] = 128 << s->intra_dc_precision;
}
} |
bd7c626a |
else if (!is_mpeg12 && (s->h263_pred || s->h263_aic)) |
0f440e02 |
s->mbintra_table[mb_xy]=1; |
bff6ecaa |
|
9701840b |
if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==FF_B_TYPE) && s->avctx->mb_decision != FF_MB_DECISION_RD)) { //FIXME precalc |
0c1a9eda |
uint8_t *dest_y, *dest_cb, *dest_cr; |
0f440e02 |
int dct_linesize, dct_offset; |
b3184779 |
op_pixels_func (*op_pix)[4];
qpel_mc_func (*op_qpix)[16]; |
dfb706da |
const int linesize= s->current_picture.linesize[0]; //not s->linesize as this would be wrong for field pics |
b536d0aa |
const int uvlinesize= s->current_picture.linesize[1]; |
9701840b |
const int readable= s->pict_type != FF_B_TYPE || s->encoding || s->avctx->draw_horiz_band || lowres_flag; |
178fcca8 |
const int block_size= lowres_flag ? 8>>s->avctx->lowres : 8; |
3bb4e23a |
|
1e491e29 |
/* 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){ |
0c1a9eda |
uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy]; |
1e491e29 |
const int age= s->current_picture.age; |
0fd90455 |
|
1e491e29 |
assert(age);
|
160d679c |
if (s->mb_skipped) {
s->mb_skipped= 0; |
9701840b |
assert(s->pict_type!=FF_I_TYPE); |
115329f1 |
|
160d679c |
(*mbskip_ptr) ++; /* indicate that this time we skipped it */ |
0fd90455 |
if(*mbskip_ptr >99) *mbskip_ptr= 99;
|
1e491e29 |
/* if previous was skipped too, then nothing to do ! */ |
f943e138 |
if (*mbskip_ptr >= age && s->current_picture.reference){
return; |
1e491e29 |
} |
f943e138 |
} else if(!s->current_picture.reference){
(*mbskip_ptr) ++; /* increase counter so the age can be compared cleanly */
if(*mbskip_ptr >99) *mbskip_ptr= 99;
} else{ |
3bb4e23a |
*mbskip_ptr = 0; /* not skipped */
} |
3994623d |
} |
115329f1 |
|
ffdff4d7 |
dct_linesize = linesize << s->interlaced_dct; |
178fcca8 |
dct_offset =(s->interlaced_dct)? linesize : linesize*block_size; |
115329f1 |
|
b68ab260 |
if(readable){
dest_y= s->dest[0];
dest_cb= s->dest[1];
dest_cr= s->dest[2];
}else{ |
9c3d33d6 |
dest_y = s->b_scratchpad; |
ae35f5e1 |
dest_cb= s->b_scratchpad+16*linesize; |
ffdff4d7 |
dest_cr= s->b_scratchpad+32*linesize; |
b68ab260 |
} |
178fcca8 |
|
de6d9b64 |
if (!s->mb_intra) {
/* motion handling */ |
dfb706da |
/* decoding or more than one mb_type (MC was already done otherwise) */ |
7d1c3fc1 |
if(!s->encoding){ |
178fcca8 |
if(lowres_flag){
h264_chroma_mc_func *op_pix = s->dsp.put_h264_chroma_pixels_tab; |
de6d9b64 |
|
178fcca8 |
if (s->mv_dir & MV_DIR_FORWARD) {
MPV_motion_lowres(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix);
op_pix = s->dsp.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.data, op_pix);
}
}else{ |
2833fc46 |
op_qpix= s->me.qpel_put; |
9701840b |
if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){ |
178fcca8 |
op_pix = s->dsp.put_pixels_tab;
}else{
op_pix = s->dsp.put_no_rnd_pixels_tab;
}
if (s->mv_dir & MV_DIR_FORWARD) {
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
op_pix = s->dsp.avg_pixels_tab; |
2833fc46 |
op_qpix= s->me.qpel_avg; |
178fcca8 |
}
if (s->mv_dir & MV_DIR_BACKWARD) {
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
} |
9dbcbd92 |
} |
de6d9b64 |
}
|
0f440e02 |
/* skip dequant / idct if we are really late ;) */ |
8c3eba7c |
if(s->hurry_up>1) goto skip_idct;
if(s->avctx->skip_idct){ |
9701840b |
if( (s->avctx->skip_idct >= AVDISCARD_NONREF && s->pict_type == FF_B_TYPE)
||(s->avctx->skip_idct >= AVDISCARD_NONKEY && s->pict_type != FF_I_TYPE) |
8c3eba7c |
|| s->avctx->skip_idct >= AVDISCARD_ALL)
goto skip_idct;
} |
0f440e02 |
|
de6d9b64 |
/* add dct residue */ |
029911d1 |
if(s->encoding || !( s->h263_msmpeg4 || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO |
a0201736 |
|| (s->codec_id==CODEC_ID_MPEG4 && !s->mpeg_quant))){ |
178fcca8 |
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); |
0f440e02 |
|
49fb20cb |
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
2d974017 |
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);
} |
b50eef3a |
} |
bd7c626a |
} else if(is_mpeg12 || (s->codec_id != CODEC_ID_WMV2)){ |
178fcca8 |
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); |
de6d9b64 |
|
49fb20cb |
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
ffdff4d7 |
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
} |
49fb20cb |
else if (CONFIG_WMV2) { |
1457ab52 |
ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr); |
0f440e02 |
} |
de6d9b64 |
} else {
/* dct only in intra block */ |
029911d1 |
if(s->encoding || !(s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO)){ |
178fcca8 |
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); |
a0201736 |
|
49fb20cb |
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
2d974017 |
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);
} |
a0201736 |
}
}else{ |
178fcca8 |
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]); |
a0201736 |
|
49fb20cb |
if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ |
ffdff4d7 |
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*8;
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 + 8, dct_linesize, block[8]);
s->dsp.idct_put(dest_cr + 8, dct_linesize, block[9]);
s->dsp.idct_put(dest_cb + 8 + dct_offset, dct_linesize, block[10]);
s->dsp.idct_put(dest_cr + 8 + dct_offset, dct_linesize, block[11]);
}
}
}//gray |
b50eef3a |
} |
de6d9b64 |
} |
8c3eba7c |
skip_idct: |
b68ab260 |
if(!readable){
s->dsp.put_pixels_tab[0][0](s->dest[0], dest_y , linesize,16); |
ffdff4d7 |
s->dsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[1], dest_cb, uvlinesize,16 >> s->chroma_y_shift);
s->dsp.put_pixels_tab[s->chroma_x_shift][0](s->dest[2], dest_cr, uvlinesize,16 >> s->chroma_y_shift); |
b68ab260 |
} |
de6d9b64 |
}
}
|
178fcca8 |
void MPV_decode_mb(MpegEncContext *s, DCTELEM block[12][64]){ |
b250f9c6 |
#if !CONFIG_SMALL |
bd7c626a |
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); |
178fcca8 |
}
|
640950c7 |
/**
*
* @param h is the normal height, this will be reduced automatically if needed for the last row
*/
void ff_draw_horiz_band(MpegEncContext *s, int y, int h){ |
7a06ff14 |
if (s->avctx->draw_horiz_band) { |
3bb07d61 |
AVFrame *src; |
7a06ff14 |
int offset[4]; |
115329f1 |
|
3bb07d61 |
if(s->picture_structure != PICT_FRAME){
h <<= 1;
y <<= 1;
if(s->first_field && !(s->avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return;
}
|
4f8a8319 |
h= FFMIN(h, s->avctx->height - y); |
4d2858de |
|
9701840b |
if(s->pict_type==FF_B_TYPE || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER)) |
3bb07d61 |
src= (AVFrame*)s->current_picture_ptr;
else if(s->last_picture_ptr)
src= (AVFrame*)s->last_picture_ptr;
else
return; |
115329f1 |
|
9701840b |
if(s->pict_type==FF_B_TYPE && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){ |
7a06ff14 |
offset[0]=
offset[1]=
offset[2]=
offset[3]= 0;
}else{ |
cea96420 |
offset[0]= y * s->linesize; |
115329f1 |
offset[1]= |
ffdff4d7 |
offset[2]= (y >> s->chroma_y_shift) * s->uvlinesize; |
7a06ff14 |
offset[3]= 0; |
4d2858de |
} |
7a06ff14 |
|
0aa7875a |
emms_c();
|
3bb07d61 |
s->avctx->draw_horiz_band(s->avctx, src, offset,
y, s->picture_structure, h); |
4d2858de |
}
}
|
7d1c3fc1 |
void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename |
bb628dae |
const int linesize= s->current_picture.linesize[0]; //not s->linesize as this would be wrong for field pics |
7d1c3fc1 |
const int uvlinesize= s->current_picture.linesize[1]; |
178fcca8 |
const int mb_size= 4 - s->avctx->lowres; |
115329f1 |
|
137c8468 |
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; |
ffdff4d7 |
//block_index is not used by mpeg2, so it is not affected by chroma_format
|
178fcca8 |
s->dest[0] = s->current_picture.data[0] + ((s->mb_x - 1) << mb_size);
s->dest[1] = s->current_picture.data[1] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift));
s->dest[2] = s->current_picture.data[2] + ((s->mb_x - 1) << (mb_size - s->chroma_x_shift)); |
17659207 |
|
9701840b |
if(!(s->pict_type==FF_B_TYPE && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME)) |
ffdff4d7 |
{ |
178fcca8 |
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); |
ffdff4d7 |
} |
7d1c3fc1 |
}
|
7a06ff14 |
void ff_mpeg_flush(AVCodecContext *avctx){
int i;
MpegEncContext *s = avctx->priv_data; |
115329f1 |
if(s==NULL || s->picture==NULL) |
20f155ed |
return; |
115329f1 |
|
7a06ff14 |
for(i=0; i<MAX_PICTURE_COUNT; i++){
if(s->picture[i].data[0] && ( s->picture[i].type == FF_BUFFER_TYPE_INTERNAL
|| s->picture[i].type == FF_BUFFER_TYPE_USER))
avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]);
} |
ea05d9c9 |
s->current_picture_ptr = s->last_picture_ptr = s->next_picture_ptr = NULL; |
115329f1 |
|
d0271e8a |
s->mb_x= s->mb_y= 0; |
115329f1 |
|
769fc466 |
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; |
ed263031 |
s->bitstream_buffer_size=0; |
2d0bcfb4 |
s->pp_time=0; |
7a06ff14 |
}
|
115329f1 |
static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s, |
21af69f7 |
DCTELEM *block, int n, int qscale) |
de6d9b64 |
{ |
badaf88e |
int i, level, nCoeffs; |
0c1a9eda |
const uint16_t *quant_matrix; |
de6d9b64 |
|
2ad1516a |
nCoeffs= s->block_last_index[n]; |
115329f1 |
if (n < 4) |
d50635cd |
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; |
de6d9b64 |
} |
d50635cd |
block[j] = level; |
de6d9b64 |
} |
d50635cd |
}
}
|
115329f1 |
static void dct_unquantize_mpeg1_inter_c(MpegEncContext *s, |
d50635cd |
DCTELEM *block, int n, int qscale)
{
int i, level, nCoeffs;
const uint16_t *quant_matrix;
nCoeffs= s->block_last_index[n]; |
115329f1 |
|
d50635cd |
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; |
de6d9b64 |
} |
d50635cd |
block[j] = level; |
de6d9b64 |
}
}
} |
21af69f7 |
|
115329f1 |
static void dct_unquantize_mpeg2_intra_c(MpegEncContext *s, |
9dbf1ddd |
DCTELEM *block, int n, int qscale)
{
int i, level, nCoeffs; |
0c1a9eda |
const uint16_t *quant_matrix; |
9dbf1ddd |
|
2ad1516a |
if(s->alternate_scan) nCoeffs= 63;
else nCoeffs= s->block_last_index[n]; |
115329f1 |
if (n < 4) |
d50635cd |
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;
}
}
}
|
e27b6e62 |
static void dct_unquantize_mpeg2_intra_bitexact(MpegEncContext *s,
DCTELEM *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;
}
|
115329f1 |
static void dct_unquantize_mpeg2_inter_c(MpegEncContext *s, |
d50635cd |
DCTELEM *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]; |
115329f1 |
|
d50635cd |
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;
}
|
115329f1 |
static void dct_unquantize_h263_intra_c(MpegEncContext *s, |
d50635cd |
DCTELEM *block, int n, int qscale)
{
int i, level, qmul, qadd;
int nCoeffs; |
115329f1 |
|
d50635cd |
assert(s->block_last_index[n]>=0); |
115329f1 |
|
d50635cd |
qmul = qscale << 1; |
115329f1 |
|
d50635cd |
if (!s->h263_aic) { |
115329f1 |
if (n < 4) |
9dbf1ddd |
block[0] = block[0] * s->y_dc_scale;
else
block[0] = block[0] * s->c_dc_scale; |
d50635cd |
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; |
9dbf1ddd |
} |
d50635cd |
block[i] = level; |
9dbf1ddd |
}
}
}
|
115329f1 |
static void dct_unquantize_h263_inter_c(MpegEncContext *s, |
21af69f7 |
DCTELEM *block, int n, int qscale)
{
int i, level, qmul, qadd; |
badaf88e |
int nCoeffs; |
115329f1 |
|
2ad1516a |
assert(s->block_last_index[n]>=0); |
115329f1 |
|
2ad1516a |
qadd = (qscale - 1) | 1;
qmul = qscale << 1; |
115329f1 |
|
d50635cd |
nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ]; |
21af69f7 |
|
d50635cd |
for(i=0; i<=nCoeffs; i++) { |
21af69f7 |
level = block[i];
if (level) {
if (level < 0) {
level = level * qmul - qadd;
} else {
level = level * qmul + qadd;
}
block[i] = level;
}
}
} |
de6d9b64 |
|
b776e3d1 |
/**
* 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 ];
} |