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add codec_tag and codec_stream_tag to MpegEncContext to not alter avctx values

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Originally committed as revision 6930 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2006-11-07 09:46:57 +00:00
parent 718eeb6a21
commit 1766295516
4 changed files with 15 additions and 13 deletions
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8
libavcodec/h263.c
View File

@ -113,7 +113,7 @@ max run: 29/41
#endif
#if 0 //3IV1 is quite rare and it slows things down a tiny bit
#define IS_3IV1 s->avctx->codec_tag == ff_get_fourcc("3IV1")
#define IS_3IV1 s->codec_tag == ff_get_fourcc("3IV1")
#else
#define IS_3IV1 0
#endif
@ -5294,7 +5294,7 @@ int h263_decode_picture_header(MpegEncContext *s)
);
}
#if 1
if (s->pict_type == I_TYPE && s->avctx->codec_tag == ff_get_fourcc("ZYGO")){
if (s->pict_type == I_TYPE && s->codec_tag == ff_get_fourcc("ZYGO")){
int i,j;
for(i=0; i<85; i++) av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));
av_log(s->avctx, AV_LOG_DEBUG, "\n");
@ -5619,7 +5619,7 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){
skip_bits1(gb); /* marker */
height = get_bits(gb, 13);
skip_bits1(gb); /* marker */
if(width && height && !(s->width && s->avctx->codec_tag == ff_get_fourcc("MP4S"))){ /* they should be non zero but who knows ... */
if(width && height && !(s->width && s->codec_tag == ff_get_fourcc("MP4S"))){ /* they should be non zero but who knows ... */
s->width = width;
s->height = height;
// printf("width/height: %d %d\n", width, height);
@ -6063,7 +6063,7 @@ int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb)
/* search next start code */
align_get_bits(gb);
if(s->avctx->codec_tag == ff_get_fourcc("WV1F") && show_bits(gb, 24) == 0x575630){
if(s->codec_tag == ff_get_fourcc("WV1F") && show_bits(gb, 24) == 0x575630){
skip_bits(gb, 24);
if(get_bits(gb, 8) == 0xF0)
return decode_vop_header(s, gb);

14
libavcodec/h263dec.c
View File

@ -518,19 +518,19 @@ retry:
avctx->has_b_frames= !s->low_delay;
if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){
if(s->avctx->stream_codec_tag == ff_get_fourcc("XVID") ||
s->avctx->codec_tag == ff_get_fourcc("XVID") || s->avctx->codec_tag == ff_get_fourcc("XVIX") ||
s->avctx->codec_tag == ff_get_fourcc("RMP4"))
if(s->stream_codec_tag == ff_get_fourcc("XVID") ||
s->codec_tag == ff_get_fourcc("XVID") || s->codec_tag == ff_get_fourcc("XVIX") ||
s->codec_tag == ff_get_fourcc("RMP4"))
s->xvid_build= -1;
#if 0
if(s->avctx->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==1
if(s->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==1
&& s->padding_bug_score > 0 && s->low_delay) // XVID with modified fourcc
s->xvid_build= -1;
#endif
}
if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){
if(s->avctx->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==0)
if(s->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==0)
s->divx_version= 400; //divx 4
}
@ -540,10 +540,10 @@ retry:
}
if(s->workaround_bugs&FF_BUG_AUTODETECT){
if(s->avctx->codec_tag == ff_get_fourcc("XVIX"))
if(s->codec_tag == ff_get_fourcc("XVIX"))
s->workaround_bugs|= FF_BUG_XVID_ILACE;
if(s->avctx->codec_tag == ff_get_fourcc("UMP4")){
if(s->codec_tag == ff_get_fourcc("UMP4")){
s->workaround_bugs|= FF_BUG_UMP4;
}

4
libavcodec/mpegvideo.c
View File

@ -698,12 +698,12 @@ int MPV_common_init(MpegEncContext *s)
yc_size = y_size + 2 * c_size;
/* convert fourcc to upper case */
s->avctx->codec_tag= toupper( s->avctx->codec_tag &0xFF)
s->codec_tag= toupper( s->avctx->codec_tag &0xFF)
+ (toupper((s->avctx->codec_tag>>8 )&0xFF)<<8 )
+ (toupper((s->avctx->codec_tag>>16)&0xFF)<<16)
+ (toupper((s->avctx->codec_tag>>24)&0xFF)<<24);
s->avctx->stream_codec_tag= toupper( s->avctx->stream_codec_tag &0xFF)
s->stream_codec_tag= toupper( s->avctx->stream_codec_tag &0xFF)
+ (toupper((s->avctx->stream_codec_tag>>8 )&0xFF)<<8 )
+ (toupper((s->avctx->stream_codec_tag>>16)&0xFF)<<16)
+ (toupper((s->avctx->stream_codec_tag>>24)&0xFF)<<24);

2
libavcodec/mpegvideo.h
View File

@ -225,6 +225,8 @@ typedef struct MpegEncContext {
int chroma_elim_threshold;
int strict_std_compliance; ///< strictly follow the std (MPEG4, ...)
int workaround_bugs; ///< workaround bugs in encoders which cannot be detected automatically
int codec_tag; ///< internal codec_tag upper case converted from avctx codec_tag
int stream_codec_tag; ///< internal stream_codec_tag upper case converted from avctx stream_codec_tag
/* the following fields are managed internally by the encoder */
/** bit output */