From: Limin Wang <lance.lmw...@gmail.com>
copy the atsc ac3 audio in ts like below:
./ffmpeg -i atsc_audio.ts -c:v copy -c:a copy out.ts
Stream #0:6[0x64](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo, fltp,
192 kb/s
./ffmpeg -i out.ts
Before:
Stream #0:1[0x101](eng): Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz,
stereo, fltp, 192 kb/s
After applied patch:
Stream #0:1[0x101](eng): Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo,
fltp, 192 kb/s
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavformat/mpegtsenc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
index a5b45fb..f060ea6 100644
--- a/libavformat/mpegtsenc.c
+++ b/libavformat/mpegtsenc.c
@@ -535,6 +535,11 @@ static int mpegts_write_pmt(AVFormatContext *s,
MpegTSService *service)
*q++=1; // 1 byte, all flags sets to 0
*q++=0; // omit all fields...
}
+ } else {
+ if (codec_id == AV_CODEC_ID_AC3)
+ put_registration_descriptor(&q, MKTAG('A', 'C', '-', '3'));
+ else if (codec_id == AV_CODEC_ID_EAC3)
+ put_registration_descriptor(&q, MKTAG('E', 'A', 'C', '3'));
}
if (codec_id == AV_CODEC_ID_S302M)
put_registration_descriptor(&q, MKTAG('B', 'S', 'S', 'D'));
--
1.8.3.1
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