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Code Issues Releases Activity

Make WMV3 decoder attempt to decode WMVP as well

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Originally committed as revision 25209 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2010-09-26 13:56:50 +00:00
parent 10f93363b7
commit cba322d76d
4 changed files with 26 additions and 4 deletions
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2
libavcodec/avcodec.h
View File

@ -32,7 +32,7 @@
#define LIBAVCODEC_VERSION_MAJOR 52
#define LIBAVCODEC_VERSION_MINOR 90
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_MICRO 1
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \

22
libavcodec/vc1.c
View File

@ -315,8 +315,7 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte
return -1;
}
if (v->res_sprite) {
av_log(avctx, AV_LOG_ERROR, "WMVP is not supported\n");
return -1;
av_log(avctx, AV_LOG_ERROR, "WMVP is not fully supported\n");
}
}
@ -387,7 +386,21 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte
v->quantizer_mode = get_bits(gb, 2); //common
v->finterpflag = get_bits1(gb); //common
v->res_rtm_flag = get_bits1(gb); //reserved
if (v->res_sprite) {
v->s.avctx->width = v->s.avctx->coded_width = get_bits(gb, 11);
v->s.avctx->height = v->s.avctx->coded_height = get_bits(gb, 11);
skip_bits(gb, 5); //frame rate
v->res_x8 = get_bits1(gb);
if (get_bits1(gb)) { // something to do with DC VLC selection
av_log(avctx, AV_LOG_ERROR, "Unsupported sprite feature\n");
return -1;
}
skip_bits(gb, 3); //slice code
v->res_rtm_flag = 0;
} else {
v->res_rtm_flag = get_bits1(gb); //reserved
}
if (!v->res_rtm_flag)
{
// av_log(avctx, AV_LOG_ERROR,
@ -566,6 +579,9 @@ int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb)
{
int pqindex, lowquant, status;
if(v->res_sprite) {
skip_bits(gb, 2); //not yet deciphered
}
if(v->finterpflag) v->interpfrm = get_bits1(gb);
skip_bits(gb, 2); //framecnt unused
v->rangeredfrm = 0;

5
libavcodec/vc1dec.c
View File

@ -3240,6 +3240,11 @@ static int vc1_decode_frame(AVCodecContext *avctx,
}
}
if(v->res_sprite && (s->pict_type!=FF_I_TYPE)){
av_free(buf2);
return -1;
}
// for hurry_up==5
s->current_picture.pict_type= s->pict_type;
s->current_picture.key_frame= s->pict_type == FF_I_TYPE;

1
libavformat/riff.c
View File

@ -227,6 +227,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
{ CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
{ CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
{ CODEC_ID_WMV3, MKTAG('W', 'M', 'V', 'P') },
{ CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
{ CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
{ CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },