generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

initial chroma_format changes,xvmc tweaks and codec_cap

Browse Source 
Originally committed as revision 2833 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ivan Kalvachev
2004-03-01 14:55:21 +00:00
parent 3f1d4e9600
commit 5e5c247a7c
5 changed files with 143 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
libavcodec/mpegvideo.c
View File

@@ -267,8 +267,6 @@ int DCT_common_init(MpegEncContext *s)
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);
s->picture_structure= PICT_FRAME;
return 0;
}
@@ -424,7 +422,7 @@ static int init_duplicate_context(MpegEncContext *s, MpegEncContext *base){
CHECKED_ALLOCZ(s->dct_error_sum, 2 * 64 * sizeof(int))
}
}
CHECKED_ALLOCZ(s->blocks, 64*6*2 * sizeof(DCTELEM))
CHECKED_ALLOCZ(s->blocks, 64*12*2 * sizeof(DCTELEM))
s->block= s->blocks[0];
for(i=0;i<12;i++){
@@ -539,9 +537,18 @@ int MPV_common_init(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;
if (!s->encoding)
s->progressive_sequence= 1;
s->progressive_frame= 1;
if( s->codec_id != CODEC_ID_MPEG1VIDEO &&
s->codec_id != CODEC_ID_MPEG2VIDEO)
{
/* default structure is frame */
s->progressive_frame= 1;
s->picture_structure= PICT_FRAME;
s->y_dc_scale_table=
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
if (!s->encoding)
s->progressive_sequence= 1;
}
s->coded_picture_number = 0;
y_size = (2 * s->mb_width + 2) * (2 * s->mb_height + 2);