diff options
| -rw-r--r-- | libavformat/avienc.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/libavformat/avienc.c b/libavformat/avienc.c index 3fd98692ab..c70b0abd73 100644 --- a/libavformat/avienc.c +++ b/libavformat/avienc.c @@ -81,6 +81,10 @@ static char* avi_stream2fourcc(char* tag, int index, enum CodecType type) if (type == CODEC_TYPE_VIDEO) { tag[2] = 'd'; tag[3] = 'c'; + } else if (type == CODEC_TYPE_SUBTITLE) { + // note: this is not an official code + tag[2] = 's'; + tag[3] = 'b'; } else { tag[2] = 'w'; tag[3] = 'b'; @@ -208,12 +212,17 @@ static int avi_write_header(AVFormatContext *s) /* stream generic header */ strh = start_tag(pb, "strh"); switch(stream->codec_type) { + case CODEC_TYPE_SUBTITLE: + // XSUB subtitles behave like video tracks, other subtitles + // are not (yet) supported. + if (stream->codec_id != CODEC_ID_XSUB) break; case CODEC_TYPE_VIDEO: put_tag(pb, "vids"); break; case CODEC_TYPE_AUDIO: put_tag(pb, "auds"); break; // case CODEC_TYPE_TEXT : put_tag(pb, "txts"); break; case CODEC_TYPE_DATA : put_tag(pb, "dats"); break; } - if(stream->codec_type == CODEC_TYPE_VIDEO) + if(stream->codec_type == CODEC_TYPE_VIDEO || + stream->codec_id == CODEC_ID_XSUB) put_le32(pb, stream->codec_tag); else put_le32(pb, 1); @@ -252,6 +261,10 @@ static int avi_write_header(AVFormatContext *s) if(stream->codec_type != CODEC_TYPE_DATA){ strf = start_tag(pb, "strf"); switch(stream->codec_type) { + case CODEC_TYPE_SUBTITLE: + // XSUB subtitles behave like video tracks, other subtitles + // are not (yet) supported. + if (stream->codec_id != CODEC_ID_XSUB) break; case CODEC_TYPE_VIDEO: put_bmp_header(pb, stream, codec_bmp_tags, 0); break; |