Pipeline to get only video from .mp4 file

[Robert Krakora]

First, are you using 0.10 or 1.0 GStreamer?


On Mon, Jan 20, 2014 at 7:24 AM, CNA <arunaa.n23 at wipro.com> wrote:

> Hi,
>
> I need to (extract) play only video from .mp4 file through a gstreamer
> pipeline.
>
> I am testing this pipeline on the TI DM8148 board, in which requirement is
> not to use OMX (hardware) components( only use software encoders).
>
> *gst-launch filesrc location=/home/sample1/Holymonks.mp4 ! qtdemux
> name=demux ! queue ! h264parse ! ffdec_h264 ! v4l2sink*
> Below is the error obtained :
> /Setting pipeline to PAUSED ...
> ** (gst-launch-0.10:3658): CRITICAL **: gst_v4l2sink_sync_rotation:
> assertion `v4l2_ioctl (fd, VIDIOC_S_CTRL, &c
> ontrol) >= 0' failed
> ** (gst-launch-0.10:3658): CRITICAL **: gst_v4l2sink_sync_rotation:
> assertion `v4l2_ioctl (fd, VIDIOC_S_CTRL, &c
> ontrol) >= 0' failed
> ** (gst-launch-0.10:3658): CRITICAL **: gst_v4l2sink_sync_flip: assertion
> `v4l2_ioctl (fd, VIDIOC_S_CTRL, &contr
> ol) >= 0' failed
> Pipeline is PREROLLING ...
> ERROR: from element /GstPipeline:pipeline0/GstQTDemux:demux: GStreamer
> encountered a general stream error.
> Additional debug info:
> qtdemux.c(3838): gst_qtdemux_loop ():
> /GstPipeline:pipeline0/GstQTDemux:demux:
> streaming stopped, reason error
> ERROR: pipeline doesn't want to preroll.
> Setting pipeline to NULL ...
> !!!!!!!!!unreference all the remaining buffers!!!!!!!!!Freeing pipeline
> .../
>
>
> Can anybody please tell me whether the pipeline used above is correct. As I
> am learning Gstreamer, kindly provide suggestions on what basis I need to
> join elements in pipeline to get only video from .mp4 file.
>
> Help me to overcome this error and progress further, I could not find how
> to
> form a gstreamer pipeline to get only video.
>
> Thanks.
>
>
>
>
> --
> View this message in context:
> http://gstreamer-devel.966125.n4.nabble.com/Pipeline-to-get-only-video-from-mp4-file-tp4664773.html
> Sent from the GStreamer-devel mailing list archive at Nabble.com.
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>



-- 

Rob Krakora,
Senior Software Engineer

MessageNet Systems
101 E Carmel Dr, Suite 105
Carmel, IN 46032

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