[linuxtv-softmpeg] Fixing radio playback

["Colin Paton" <ac2crp@blueyonder.co.uk>]

Hi,

I had a look at the code, and the radio playback problem was a simple one.
Audio is muted when flushed, or the configuration changes. It is only
unmuted once video sync is achieved. For audio only streams AV sync is never
achieved, so the audio is never unmuted.

As a test, I just changed the mute calls to SetVolume of 1.0 as opposed to
0.0. To my mind this improves performance when changing channels - as audio
is played back more quickly. This makes channel changing appear slightly
more responsive.

I've been watching TV with it all evening - it's looking good. I recorded a
couple of programmes for important-other, so there's now motivation to get
playback of recordings working smoothly :-)

The ElchiAIO patch also works, but it does try to create windows of size
0,0. I had to add a call to the create window call in the osd so that it
would return false in this case.

Thanks,

Colin




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