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avformat/mpegtsenc: use the correct stream_types and write HDMV descriptors for m2ts

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Fixes ticket #2622.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2019-12-11 00:58:05 +01:00
parent 3958244c91
commit 7f2649bb46
2 changed files with 58 additions and 1 deletions
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@ -61,6 +61,7 @@ version <next>:
- WebP parser
- tmedian filter
- maskedthreshold filter
- Support for muxing pcm and pgs in m2ts
version 4.2:

58
libavformat/mpegtsenc.c
View File

@ -359,6 +359,54 @@ static int get_dvb_stream_type(AVFormatContext *s, AVStream *st)
return stream_type;
}
static int get_m2ts_stream_type(AVFormatContext *s, AVStream *st)
{
int stream_type;
switch (st->codecpar->codec_id) {
case AV_CODEC_ID_MPEG2VIDEO:
stream_type = STREAM_TYPE_VIDEO_MPEG2;
break;
case AV_CODEC_ID_H264:
stream_type = STREAM_TYPE_VIDEO_H264;
break;
case AV_CODEC_ID_VC1:
stream_type = STREAM_TYPE_VIDEO_VC1;
break;
case AV_CODEC_ID_HEVC:
stream_type = STREAM_TYPE_VIDEO_HEVC;
break;
case AV_CODEC_ID_PCM_BLURAY:
stream_type = 0x80;
break;
case AV_CODEC_ID_AC3:
stream_type = 0x81;
break;
case AV_CODEC_ID_DTS:
stream_type = (st->codecpar->channels > 6) ? 0x85 : 0x82;
break;
case AV_CODEC_ID_TRUEHD:
stream_type = 0x83;
break;
case AV_CODEC_ID_EAC3:
stream_type = 0x84;
break;
case AV_CODEC_ID_HDMV_PGS_SUBTITLE:
stream_type = 0x90;
break;
case AV_CODEC_ID_HDMV_TEXT_SUBTITLE:
stream_type = 0x92;
break;
default:
av_log(s, AV_LOG_WARNING, "Stream %d, codec %s, is muxed as a private data stream "
"and may not be recognized upon reading.\n", st->index, avcodec_get_name(st->codecpar->codec_id));
stream_type = STREAM_TYPE_PRIVATE_DATA;
break;
}
return stream_type;
}
static int mpegts_write_pmt(AVFormatContext *s, MpegTSService *service)
{
MpegTSWrite *ts = s->priv_data;
@ -372,6 +420,14 @@ static int mpegts_write_pmt(AVFormatContext *s, MpegTSService *service)
q += 2; /* patched after */
/* put program info here */
if (ts->m2ts_mode) {
put_registration_descriptor(&q, MKTAG('H', 'D', 'M', 'V'));
*q++ = 0x88; // descriptor_tag - hdmv_copy_control_descriptor
*q++ = 0x04; // descriptor_length
put16(&q, 0x0fff); // CA_System_ID
*q++ = 0xfc; // private_data_byte
*q++ = 0xfc; // private_data_byte
}
val = 0xf000 | (q - program_info_length_ptr - 2);
program_info_length_ptr[0] = val >> 8;
@ -401,7 +457,7 @@ static int mpegts_write_pmt(AVFormatContext *s, MpegTSService *service)
break;
}
stream_type = get_dvb_stream_type(s, st);
stream_type = ts->m2ts_mode ? get_m2ts_stream_type(s, st) : get_dvb_stream_type(s, st);
*q++ = stream_type;
put16(&q, 0xe000 | ts_st->pid);