[Nouveau] libva problem?

[Ilia Mirkin]

On Tue, May 1, 2018 at 6:16 PM, James <bjlockie at lockie.ca> wrote:
> On 2018-05-01 06:00 PM, Ilia Mirkin wrote:
>> On Tue, May 1, 2018 at 5:53 PM, James <bjlockie at lockie.ca> wrote:
>>> I am playing videos from my lubuntu computer to my tv through the hdmi
>>> interface on my video card.
>>> It mostly works.
>>> Some sound doesn't and I think it is related to the audio code.
>>> A52 Audio (aka AC3) (a52) works.
>>> It seems MPEG AAC Audio (mp4a) doesn't work.
>>> I checked a video that used to work and it doesn't work now.
>>> It has the mp4a codec also.
>>>
>>> The one that used to work shows this in Tools/Messages:
>>> vdpau_avcodec error: decoder profile not supported: 7
>>>
>>> The new one that doesn't work shows this in Tools/Messages:
>>> vdpau_avcodec error: decoder profile not supported: 8
>>>
>>> I think it might be related to the noveau video driver:
>>> $ vainfo
>>> libva info: VA-API version 0.40.0
>>> libva info: va_getDriverName() returns 0
>>> libva info: Trying to open
>>> /usr/lib/x86_64-linux-gnu/dri/nouveau_drv_video.so
>>> libva info: va_openDriver() returns -1
>>> vaInitialize failed with error code -1 (unknown libva error),exit
>>
>> What GPU do you have? For video acceleration (i.e. va-api and vdpau),
>> did you install the necessary firmware?
>>
>
> I didn't need firmware before but it looks like I do now.
> I will look into that.

Well, you don't need it to play back video. You only need it for
GPU-accelerated video decoding (which is what you get when using
va-api or vdpau). See
https://nouveau.freedesktop.org/wiki/VideoAcceleration/ for the
details.

  -ilia