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add codec_tag and codec_stream_tag to MpegEncContext to not alter avctx values
Originally committed as revision 6930 to svn://svn.ffmpeg.org/ffmpeg/trunk
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718eeb6a21
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1766295516
@ -113,7 +113,7 @@ max run: 29/41
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#endif
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#if 0 //3IV1 is quite rare and it slows things down a tiny bit
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#define IS_3IV1 s->avctx->codec_tag == ff_get_fourcc("3IV1")
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#define IS_3IV1 s->codec_tag == ff_get_fourcc("3IV1")
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#else
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#define IS_3IV1 0
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#endif
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@ -5294,7 +5294,7 @@ int h263_decode_picture_header(MpegEncContext *s)
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);
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}
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#if 1
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if (s->pict_type == I_TYPE && s->avctx->codec_tag == ff_get_fourcc("ZYGO")){
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if (s->pict_type == I_TYPE && s->codec_tag == ff_get_fourcc("ZYGO")){
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int i,j;
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for(i=0; i<85; i++) av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));
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av_log(s->avctx, AV_LOG_DEBUG, "\n");
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@ -5619,7 +5619,7 @@ static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){
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skip_bits1(gb); /* marker */
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height = get_bits(gb, 13);
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skip_bits1(gb); /* marker */
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if(width && height && !(s->width && s->avctx->codec_tag == ff_get_fourcc("MP4S"))){ /* they should be non zero but who knows ... */
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if(width && height && !(s->width && s->codec_tag == ff_get_fourcc("MP4S"))){ /* they should be non zero but who knows ... */
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s->width = width;
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s->height = height;
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// printf("width/height: %d %d\n", width, height);
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@ -6063,7 +6063,7 @@ int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb)
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/* search next start code */
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align_get_bits(gb);
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if(s->avctx->codec_tag == ff_get_fourcc("WV1F") && show_bits(gb, 24) == 0x575630){
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if(s->codec_tag == ff_get_fourcc("WV1F") && show_bits(gb, 24) == 0x575630){
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skip_bits(gb, 24);
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if(get_bits(gb, 8) == 0xF0)
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return decode_vop_header(s, gb);
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@ -518,19 +518,19 @@ retry:
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avctx->has_b_frames= !s->low_delay;
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if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){
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if(s->avctx->stream_codec_tag == ff_get_fourcc("XVID") ||
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s->avctx->codec_tag == ff_get_fourcc("XVID") || s->avctx->codec_tag == ff_get_fourcc("XVIX") ||
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s->avctx->codec_tag == ff_get_fourcc("RMP4"))
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if(s->stream_codec_tag == ff_get_fourcc("XVID") ||
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s->codec_tag == ff_get_fourcc("XVID") || s->codec_tag == ff_get_fourcc("XVIX") ||
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s->codec_tag == ff_get_fourcc("RMP4"))
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s->xvid_build= -1;
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#if 0
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if(s->avctx->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==1
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if(s->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==1
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&& s->padding_bug_score > 0 && s->low_delay) // XVID with modified fourcc
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s->xvid_build= -1;
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#endif
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}
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if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){
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if(s->avctx->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==0)
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if(s->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==0)
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s->divx_version= 400; //divx 4
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}
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@ -540,10 +540,10 @@ retry:
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}
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if(s->workaround_bugs&FF_BUG_AUTODETECT){
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if(s->avctx->codec_tag == ff_get_fourcc("XVIX"))
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if(s->codec_tag == ff_get_fourcc("XVIX"))
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s->workaround_bugs|= FF_BUG_XVID_ILACE;
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if(s->avctx->codec_tag == ff_get_fourcc("UMP4")){
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if(s->codec_tag == ff_get_fourcc("UMP4")){
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s->workaround_bugs|= FF_BUG_UMP4;
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}
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@ -698,12 +698,12 @@ int MPV_common_init(MpegEncContext *s)
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yc_size = y_size + 2 * c_size;
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/* convert fourcc to upper case */
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s->avctx->codec_tag= toupper( s->avctx->codec_tag &0xFF)
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s->codec_tag= toupper( s->avctx->codec_tag &0xFF)
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+ (toupper((s->avctx->codec_tag>>8 )&0xFF)<<8 )
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+ (toupper((s->avctx->codec_tag>>16)&0xFF)<<16)
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+ (toupper((s->avctx->codec_tag>>24)&0xFF)<<24);
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s->avctx->stream_codec_tag= toupper( s->avctx->stream_codec_tag &0xFF)
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s->stream_codec_tag= toupper( s->avctx->stream_codec_tag &0xFF)
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+ (toupper((s->avctx->stream_codec_tag>>8 )&0xFF)<<8 )
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+ (toupper((s->avctx->stream_codec_tag>>16)&0xFF)<<16)
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+ (toupper((s->avctx->stream_codec_tag>>24)&0xFF)<<24);
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@ -225,6 +225,8 @@ typedef struct MpegEncContext {
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int chroma_elim_threshold;
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int strict_std_compliance; ///< strictly follow the std (MPEG4, ...)
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int workaround_bugs; ///< workaround bugs in encoders which cannot be detected automatically
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int codec_tag; ///< internal codec_tag upper case converted from avctx codec_tag
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int stream_codec_tag; ///< internal stream_codec_tag upper case converted from avctx stream_codec_tag
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/* the following fields are managed internally by the encoder */
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/** bit output */
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