[mythtv-users] MythTV unaware of recordings' actual audio properties

[John Pilkington]

On 10/03/14 12:32, Will Dormann wrote:
> I've recently noticed that mythtv/mythweb aren't displaying the actual
> audio properties of recordings.   Recordings show up with no audio
> properties or as stereo, when "ffmpeg -i" is showing that the audio
> track is in 5.1.
>
> For example, a show with no audio properties displayed in mythfrontend
> or mythweb:
>      Stream #0.0[0x1011]: Video: h264 (Main), yuv420p, 1920x1080 [PAR 1:1
> DAR 16:9], 59.96 fps, 59.94 tbr, 90k tbn, 59.94 tbc
>      Stream #0.1[0x1100]: Audio: ac3, 48000 Hz, 5.1, s16, 384 kb/s
>
> One that shows stereo:
>      Stream #0.0[0x1011]: Video: h264 (Main), yuv420p, 1920x1080 [PAR 1:1
> DAR 16:9], 59.96 fps, 59.94 tbr, 90k tbn, 59.94 tbc
>      Stream #0.1[0x1100]: Audio: ac3, 48000 Hz, 5.1, s16, 384 kb/s
>
> One that shows 5.1 audio:
>      Stream #0.0[0x31]: Video: mpeg2video (Main), yuv420p, 1280x720 [PAR
> 1:1 DAR 16:9], 38800 kb/s, 59.96 fps, 59.94 tbr, 90k tbn, 119.88 tbc
>      Stream #0.1[0x34](eng): Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
>
>
> Based on this, one might conclude that mythtv might not be getting the
> audio properties from the recordings themselves, but some other place?
> If so, where?

Have you tried mythffmpeg -i?

http://www.gossamer-threads.com/lists/mythtv/users/556298#556298