Re: gstreamer: v4l2videodec plugin

Stanimir Varbanov
2016-04-11T12:11:06Z

adding gstreamer-devel

On 04/11/2016 03:03 PM, Stanimir Varbanov wrote:
> Hi,
>
> I'm working on QCOM v4l2 video decoder/encoder driver and in order to
> test its functionalities I'm using gstreamer v4l2videodec plugin. I am
> able to use the v4l2videodec plugin with MMAP, now I want to try the
> dmabuf export from v4l2 and import dmabuf buffers to glimagesink. I
> upgraded gst to 1.7.91 so that I have the dmabuf support in glimagesink.
> Mesa version is 11.1.2.
>
> I'm using the following pipeline:
>
> GST_GL_PLATFORM=egl GST_GL_API=gles2 gst-launch-1.0 $GSTDEBUG
> $GSTFILESRC ! qtdemux name=m m.video_0 ! h264parse ! v4l2video32dec
> capture-io-mode=dmabuf ! glimagesink
>
> I stalled on this error:
>
> eglimagememory
> gsteglimagememory.c:473:gst_egl_image_memory_from_dmabuf:<eglimageallocator0>
> eglCreateImage failed: EGL_BAD_MATCH
>
> which in Mesa is:
>
> libEGL debug: EGL user error 0x3009 (EGL_BAD_MATCH) in
> dri2_create_image_khr_texture
>
> Do someone know how the dmabuf import is tested when the support has
> been added to glimagesink? Or some pointers how to continue with debugging?
>
> Thanks for the answers.
>

--
regards,
Stan