[mythtv-users] AC3 audio in DVB-T sourced recording?
ffrr at tpg.com.au
Mon Nov 28 05:44:15 EST 2005
Steve Adeff wrote:
>On Monday 28 November 2005 03:06, ffrr wrote:
>>I have been playing around with converting recordings and just noticed
>>this as part of what ffmpeg had to say as it started ...
>>Input #0, mpegts, from '11260000_Twilight_':
>> Duration: 34:35:42.5, bitrate: 448 kb/s
>> Stream #0.0[0x201]: Video: mpeg2video, 720x576, 25.00 fps
>> Stream #0.1[0x294]: Audio: mp2, 48000 Hz, stereo, 256 kb/s
>> Stream #0.2[0x295]: Audio: ac3, 48000 Hz, stereo, 192 kb/s
>>Does this mean that the TV station is transmitting ac3 audio as well,
>>and my DVB card is capturing it as part of the stream? (Sure looks like it)
>Play back audio PID 0x295 with mplayer and find out!
>but it sure looks like it to me as well.
Yep , it is... :-) but only 2 channel. Wonder if it's ever 5.1 ?
TS file format detected.
DEMUX OPEN, AUDIO_ID: 661, VIDEO_ID: -1, SUBTITLE_ID: -1,
PROBING UP TO 2000000, PROG: 0
VIDEO MPEG2(pid=513)AUDIO A52(pid=661) NO SUBS (yet)! PROGRAM N. 1
Opened TS demuxer, audio: 2000(pid 661), video: 10000002(pid
VIDEO: MPEG2 720x576 (aspect 3) 25.000 fps 10000.0 kbps (1250.0
Trying to force audio codec driver family libmad...
Opening audio decoder: [liba52] AC3 decoding with liba52
Using SSE optimized IMDCT transform
AC3: 2.0 (stereo) 48000 Hz 192.0 kbit/s
Using MMX optimized resampler
AUDIO: 48000 Hz, 2 ch, s16le, 192.0 kbit/12.50% (ratio: 24000->192000)
Selected audio codec: [a52] afm:liba52 (AC3-liba52)
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