Not able to display video using omx_h264dec

Deepak Thumathajira deepak.thumathajira at gmail.com
Wed Jul 4 02:41:56 PDT 2012


Hi,
   I am still not able to get the video displayed using "omx_h264dec".  Is
there any constraint that omx h264 dec has to be used along with omx video
sink?
Also is there any player which is using omx h264 decoder?


With Regards,
Deepak  T Y

On 2 July 2012 13:57, Deepak Thumathajira <deepak.thumathajira at gmail.com>wrote:

> Hi All,
>         I am trying to decode and display video using gstreamer command
> line.
>
> Using the following pipelines, I am not able dispaly video:
> 1>   $ gst-launch-0.10 filesrc location=H264_test.avi ! avidemux !
> h264parse ! omx_h264dec ! queue ! ffmpegcolorspace ! xvimagesink
> 2>   $ gst-launch-0.10 filesrc location=H264_test.avi ! avidemux !
> h264parse ! omx_h264dec !
> 'video/x-raw-yuv,format=(fourcc)I420,width=320,height=240,framerate=(fraction)25/1'
> ! queue  !  ffmpegcolorspace ! xvimagesink
>
> I am able to dump the "omx_h264dec" output to file using the following and
> verified that the YUV is proper:
> $ gst-launch-0.10 filesrc location=H264_test.avi ! avidemux ! h264parse !
> omx_h264dec ! filesink location=decoded.yuv
>
> Also, I am able to display the video using "ffdec_h264":
>  $ gst-launch-0.10 filesrc location=H264_test.avi ! avidemux ! h264parse
> ! ffdec_h264 ! xvimagesink
>
>
> Please let me know how to get video displayed using "omx_h264dec".
>
> Thanking you,
> Deepak
>
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