mpegtsenc: Write subtitle extradata if set

Originally committed as revision 25221 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 years ago · d1ac03517e
parent be0e596a57
commit d1ac03517e
1 changed files with 5 additions and 0 deletions
--- a/libavformat/mpegtsenc.c
+++ b/libavformat/mpegtsenc.c
@ -276,8 +276,13 @@ static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service)
                *q++ = language[1];
                *q++ = language[2];
                *q++ = 0x10; /* normal subtitles (0x20 = if hearing pb) */
+                if(st->codec->extradata_size == 4) {
+                    memcpy(q, st->codec->extradata, 4);
+                    q += 4;
+                } else {
                put16(&q, 1); /* page id */
                put16(&q, 1); /* ancillary page id */
+                }
            }
            break;
        case AVMEDIA_TYPE_VIDEO: