Re: imxipuvideosink in 3.10.53 on Nitrogex6xlite

[Gary Thomas <gary@mlbassoc.com>]

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On 2015-05-18 09:55, Nikolay Dimitrov wrote:
> Hi Gary,
>
> On 05/18/2015 03:04 PM, Gary Thomas wrote:
>> On 2015-05-18 02:18, Nikolay Dimitrov wrote:
>>> Hi Pawel,
>>>
>>> On 05/18/2015 08:34 AM, Paweł Żabiełowicz wrote:
>>>> Hi all,
>>>>
>>>> I'm having some problems running video playback on Nitrogen6x-Lite. I'm
>>>> using fido with 3.10.53 kernel. Display is running properly as I see a
>>>> console after start, but starting any simple video with Gstreamer1.0 +
>>>> gstreamer-imx plugins does not give any video output, even though the
>>>> decoding looks like it's working.
>>>>
>>>> Gstreamer log:
>>>> gst-launch-1.0 rtspsrc location=rtsp://watch:watch13579
>>>> 192.168.7.24:554/profile3/media.smp ! rtph264depay ! imxvpudec !
>>>> imxipuvideosink
>>>> [INFO]    Product Info: i.MX6Q/D/S
>>>> Pipeline is live and does not need PREROLL ...
>>>> Progress: (open) Opening Stream
>>>> Progress: (connect) Connecting to
>>>> rtsp://192.168.7.24:554/profile3/media.smp
>>>> Progress: (open) Retrieving server options
>>>> Progress: (open) Retrieving media info
>>>> Progress: (request) SETUP stream 0
>>>> Progress: (request) SETUP stream 1
>>>> Progress: (open) Opened Stream
>>>> Setting pipeline to PLAYING ...
>>>> New clock: GstSystemClock
>>>> Progress: (request) Sending PLAY request
>>>> Progress: (request) Sending PLAY request
>>>> Progress: (request) Sent PLAY request
>>>> ^Chandling interrupt.
>>>> Interrupt: Stopping pipeline ...
>>>> Execution ended after 0:00:15.125067669
>>>> Setting pipeline to PAUSED ...
>>>> Setting pipeline to READY ...
>>>> Setting pipeline to NULL ...
>>>> Freeing pipeline ...
>>>>
>>>> Plugins installed:
>>>>
>>>> gst-inspect-1.0 | grep imx
>>>> imxipu:  imxipuvideotransform: Freescale IPU video transform
>>>> imxipu:  imxipuvideosink: Freescale IPU video sink
>>>> imxvpu:  imxvpudec: Freescale VPU video decoder
>>>> imxvpu:  imxvpuenc_h263: Freescale VPU h.263 video encoder
>>>> imxvpu:  imxvpuenc_h264: Freescale VPU h.264 video encoder
>>>> imxvpu:  imxvpuenc_mpeg4: Freescale VPU MPEG-4 video encoder
>>>> imxvpu:  imxvpuenc_mjpeg: Freescale VPU motion JPEG video encoder
>>>> imxg2d:  imxg2dvideosink: Freescale G2D video sink
>>>> imxg2d:  imxg2dvideotransform: Freescale G2D video transform
>>>> imxaudio:  imxuniaudiodec: Freescale i.MX uniaudio decoder
>>>> imxv4l2src:  imxv4l2src: V4L2 CSI Video Source
>>>> imxpxp:  imxpxpvideosink: Freescale PxP video sink
>>>> imxpxp:  imxpxpvideotransform: Freescale PxP video transform
>>>> imxeglvivsink:  imxeglvivsink: Freescale EGL video sink
>>>>
>>>> While using imxeglvivsink I'm seeing red flash for few milliseconds over
>>>> the console and that's it.
>>>> Any advices will be helpful.
>>>
>>> Please download this file and try a local file playback, to eliminate
>>> possible networking issues:
>>>
>>> https://download.blender.org/durian/trailer/sintel_trailer-1080p.mp4
>>>
>>> Also, please check whether an automatically constructed pipeline is
>>> able to play the file above:
>>>
>>> gst-launch-1.0 playbin uri=file:///sintel_trailer-1080p.mp4
>>>
>>> You can try same tests with Xorg running.
>>
>> What would that pipeline look like (to force the result into a window
>> on the screen)?  As is, this simple command takes over the entire screen.
>
> The automatically generated pipeline depends entirely on the media
> itself and the set of plugins you have installed - playbin/decodebin
> and friends are looking at the stream properties and searching for the
> plugin with the highest rank which can be plugged there. The best place
> to look at is usually the media graphs (.dot files) after playbin was
> able to play something (I do this regularly, as my pipelines are
> usually worse than the ones created by playbin).

I tried interpreting these files and since I don't do it all the time
(like you), it was hard for me to see the whole picture.  Is it possible
to look at such a graph and write something equivalent that could be
run via gst-launch?

Here's my graph in case you can make any sense of it.

>
> Also the full-screen behavior depends the videosink configuration, so
> hard to give universal answer, as none will fit all cases.

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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