[mythtv-users] silence detection blocks jobqueue [ mythcommflag; silence.py ]

Roger Siddons dizygotheca at ntlworld.com
Mon Oct 20 13:27:41 UTC 2014


On Mon, 20 Oct 2014 13:45:47 +0100, Roger Siddons  
<dizygotheca at ntlworld.com> wrote:

>> Input #0, mpegts, from '1043_20141015125000.mpg':
>>    Duration: 01:39:55.21, start: 89500.844867, bitrate: 4212 kb/s
>>      Stream #0:0[0x20](deu): Subtitle: dvb_teletext
>>      Stream #0:1[0x8ff]: Video: mpeg2video (Main), yuv420p, 720x576  
>> [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
>>      Stream #0:2[0x900](deu): Audio: mp2, 48000 Hz, stereo, s16p, 192  
>> kb/s
>>      Stream #0:3[0x901](eng): Audio: mp2, 48000 Hz, stereo, s16p, 192  
>> kb/s
>>      Stream #0:4[0x903](deu): Audio: ac3, 48000 Hz, 5.1(side), fltp,  
>> 384 kb/s
>
> I believe ffmpeg is using the ac3 stream. I wonder if the fltp format is  
> causing problems...

Try checking the audio demuxing explicitly with:

mythffmpeg -i 1043_20141015125000.mpg -loglevel verbose -f au -ac 6 - >   
/dev/null

It may produce a few decoding errors but the important thing is that it  
completes (and possibly how long it takes)


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