Re: GStreamer #koi #renesas

["Scott Murray" <scott.murray@xxxxxxxxxxxx>]

On Wed, 16 Mar 2022, Francesco ARGENTIERI (KINETON) wrote:

> Hi everyone,</br>
> I would share with you an error regarding GStreamer:
>
> ```sh
> MMI open: Permission denied
> Mar 16 12:52:06 h3ulcb afbd-mediaplayer[2278]: ts:1647431526.952756        level:0x00001000        func:OmxrAllocateWorkBuffer_allocfunc(265)        tid:3322        mes:error: mmngr fatal. -1
> Mar 16 12:52:06 h3ulcb afbd-mediaplayer[2278]: ts:1647431526.952829        level:0x00100000        func:OmxrMeVideoVcmnInterface_AllocateBufferSuper(66)        tid:3322        mes:Physical memory allocation error
> Mar 16 12:52:06 h3ulcb afbd-mediaplayer[2278]: ts:1647431526.952844        level:0x00100000        func:OmxrMeVideoVcmnInterfaceVdcmn_AllocateBuffer(814)        tid:3322        mes:RuntimeError
> Mar 16 12:52:06 h3ulcb afbd-mediaplayer[2278]: ts:1647431526.952857        level:0x00010000        func:RegisterNewBufferToPort(361)        tid:3322        mes:
> Mar 16 12:52:06 h3ulcb afbd-mediaplayer[2278]: ts:1647431526.952879        level:0x00010000        func:OmxrMcErrorHandler_Notify(221)        tid:3322        mes:u32ErrorCode = H'80001001
> Mar 16 12:52:06 h3ulcb afbd-mediaplayer[2278]: ts:1647431526.952933        level:0x00010000        func:OmxrMcApiProxy_AllocateBuffer(1049)        tid:3317        mes:eError = H'80001001
> Mar 16 12:52:06 h3ulcb afbd-mediaplayer[2278]: ts:1647431526.953004        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:3317        mes:eError = H'8000100a
> Mar 16 12:52:06 h3ulcb afbd-mediaplayer[2278]: ts:1647431526.953047        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:3317        mes:eError = H'8000100a
> Mar 16 12:52:07 h3ulcb afbd-mediaplayer[2278]: ts:1647431527.106209        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:2278        mes:eError = H'8000100a
> Mar 16 12:52:07 h3ulcb afbd-mediaplayer[2278]: ts:1647431527.106403        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:2278        mes:eError = H'8000100a
> Mar 16 12:52:07 h3ulcb afbd-mediaplayer[2278]: ts:1647431527.106478        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:2278        mes:eError = H'8000100a
> Mar 16 12:52:07 h3ulcb afbd-mediaplayer[2278]: ts:1647431527.106524        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:2278        mes:eError = H'8000100a
> Mar 16 12:52:07 h3ulcb afbd-mediaplayer[2278]: ts:1647431527.106638        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:2278        mes:eError = H'8000100a
> Mar 16 12:52:07 h3ulcb afbd-mediaplayer[2278]: ts:1647431527.106683        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:2278        mes:eError = H'8000100a
> Mar 16 12:52:07 h3ulcb afbd-mediaplayer[2278]: ts:1647431527.106723        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:2278        mes:eError = H'8000100a
> Mar 16 12:52:07 h3ulcb afbd-mediaplayer[2278]: ts:1647431527.106766        level:0x00010000        func:OmxrMcApiProxy_GetParameter(756)        tid:2278        mes:eError = H'8000100a
> Mar 16 12:52:07 h3ulcb afbd-mediaplayer[2278]: Error: "GStreamer encountered a general supporting library error."
> ```
>
> The error happens only when the user requests video playback.</br>
> I have recently updated from koi 11.0.1 to 11.0.5 as recommended in the previous e-mail.
> Other functionalities which are dependent on only Audio (pipewire, wireplumber) such as Bluetooth streams, radio, text-to-speech seems to work fine.
>
> How can I fix this error?</br>
> I've followed the discussion regarding Jira Ticket [SPEC-4029](https://jira.automotivelinux.org/browse/SPEC-4029?jql=text%20~%20%22omx%22), which shows
>  a very similar problem. As described in the mentioned Ticket, I've tried to force the installation of the multimedia package, but it does not solve the problem.

One thing to note is that video playback is not supported with the
agl-service-mediaplayer binding, due to the lack of workable scheme
for applications to supply an output surface.  Based on the error
messages, it seems possible that the Renesas OMX video decoder plugin
is getting added to the gstreamer pipeline and is unhappy due to there
being no downstream video output plugin.

If you do want to be able to just play the audio from a video file, ideas
that come to mind are:
1. If you have no use for the OMX decoder support, try removing the
   gstreamer plugin for it from the image to see if the resulting
   pipeline works any better.
2. I believe there is a way to tell gstreamer via a configuration file
   to exclude plugins from its search, so that might be an alternative to
   (1).
3. If you do need the OMX decoder support in gstreamer for something else,
   then you'll likely need to add some code to the gstreamer pipeline
   construction in agl-service-mediaplayer to either avoid it getting
   used, or perhaps plumb in a null video output plugin to try to make it
   happy.

Scott



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