It turned out to be a simple fix. I set the "Dolby Surround" option in vlc to on instead of auto.
Thanks for you help. On 2018-05-01 06:19 PM, Ilia Mirkin wrote: > On Tue, May 1, 2018 at 6:16 PM, James <[email protected]> wrote: >> On 2018-05-01 06:00 PM, Ilia Mirkin wrote: >>> On Tue, May 1, 2018 at 5:53 PM, James <[email protected]> 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 _______________________________________________ Nouveau mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/nouveau
