[mythtv-users] Calling for testers...

[German Rodriguez]

Would you provide a build in your repo?

On Wed, May 12, 2010 at 3:13 PM, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
> On Wed, May 12, 2010 at 12:13 PM, Jean-Yves Avenard <jyavenard at gmail.com> wrote:
>> Hi there..
>>
>> You may or may not be aware of some of the new features planned for 0.24
>>
>> One of them is a new audio architecture...
>>
>> I'll pass on the details on what exactly changed from a technical
>> point of view, instead only focusing on what's new from a user point
>> of view..
>>
>> Obviously new:
>> -High-Def audio support (that is > 16 bits), including in mythmusic
>> -7.1 speak configuration
>> -multichannel LPCM support (for 5.1 and 7.1)
>> -Multichannel audio properly plays on stereo system (Dolby PLII compatible)
>> -7.1 and 5.1 HD audio can be streamed as 5.1 AC3 when your amplifier
>> doesn't support it (real-time transcoding)
>> -Full PulseAudio support
>>
>> Several fixes:
>> -Improved AVSync
>> -Hopefully no more buffer (or far less) buffer underrun errors
>> -dozens more
>>
>> For multi-channels analog users, you'll need to go in the Setup ->
>> General -> Audio, and check the "PCM support".
>>
>> For people using HDMI digital and with a receiver supporting
>> multichannel LPCM, same as above, check "PCM support".
>> 5.1 and 7.1 Audio will be transmitted as LPCM instead of being
>> re-encoded to AC3.
>>
>> This is unfortunately required as there's no way to tell if an audio
>> output is digital or analog, nor can we detect the capabilities of
>> your audio receiver.
>>
>> Note for PulseAudio users: we haven't been able to fully identified
>> where exactly the problem is, but there are times you get static.
>> It seems linked to some bugs in the pulseaudio default resampler. You
>> can configure which resampler pulseaudio will use, if you experience
>> static, try with a different resampler.
>> Other option is to change the default sampling rate pulse is using
>> from 44.1kHz to 48kHz.
>> (check /etc/pulse/daemon.conf default-sample-rate = 48000)
>>
>> How to get it:
>> svn co http://svn.mythtv.org/svn/branches/mythtv-hdaudio
>>
>> This branch closely follows trunk...
>>
>> Report bugs in trac, make sure you select the "Mythtv - Audio Output" componet.
>>
>> Thanks in advance
>> Jean-Yves
>
> Great work JYA! I've been watching the commits and am glad to see the
> audio system get such an overhaul, hopefully I'll be able to play all
> my HD audio through Myth soon (HDTracks.com). Seeing as this is for
> trunk, I assume it won't work with a 0.23-fixes backend?
>
>
>
> --
> Steve
> http://www.mythtv.org/wiki/User:Steveadeff
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