[mythtvnz] VDPAU Results

Steven Ellis steven at openmedia.co.nz
Sun Apr 26 03:46:04 BST 2009


On Sun, April 26, 2009 2:28 pm, Jean-Yves Avenard wrote:
> Hi
>
> 2009/4/26 Steven Ellis <steven at openmedia.co.nz>:
>> Jean-Yves - You are a star. Just trying your latest build under 8.10
>> with
>> NVIDIA-Linux-x86-185.19 and the TV3 1080i feed is now rock solid. No
>> issues with the 720p streams either.
>
> Great to know.
>
> I simply increased the size of the video buffer so it's more tolerant
> when you have a big delay between audio and video.
> This mod was required with HD-PVR which has a big delay between sound
> and video frame.
>
>
>>
>> I've also been through all of the 576i channels, and all of the active
>> channels work fine, but two of the channels (Parliament and Maori) have
>> a
>> test card up at this time on a Sunday and produce a lot of audio errors.
>>
>> 2009-04-26 11:37:00.487 Audio 102 ms behind video but already 100 video
>> frames queued. AV-Sync might be broken.
>> 2009-04-26 11:37:00.527 Audio 142 ms behind video but already 100 video
>> frames queued. AV-Sync might be broken.
>> 2009-04-26 11:37:00.586 Audio 33 ms behind video but already 100 video
>> frames queued. AV-Sync might be broken.
>
>> The video stream is basically a low bitrate still image with a HE-AAC
>> audio stream behind it. I'll try and grab a sample for further analysis.
>
> You get those errors if you have -v playback active ;
> but is the sound okay ?
>
> I've seen videos that do show those errors, yet they play fines.
>

Hmm I'm seeing the messages without any of the verbose output on. I've
started a new thread with some video samples that reproduce the issue.

Steve

--------------------------------------------
Steven Ellis - Technical Director
OpenMedia Limited - The Home of myPVR
email   - steven at openmedia.co.nz
website - http://www.openmedia.co.nz



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