gstreamer: v4l2videodec plugin

[Stanimir Varbanov]

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