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DM3730 Composite Video Interface

Other Parts Discussed in Thread: TVP5146, DM3730

Hi,

With reference OMAP EVM board we had designed two custom boards based DM3730 processor and TVP5146 Video decoder.

On one board we are able display on LCD both S-video input and Composite video input from TVP5146. The pipelines we used is as show below:

1)gst-launch -v v4l2src queue-size=1 input-src=composite ! video/x-raw-yuv, format=\(fourcc\)UYVY, width=720, height=576 ! queue ! TIVidResize !'video/x-raw-yuv,width=320,height=240'! queue ! tidisplaysink2

2)gst-launch -v v4l2src queue-size=1 input-src=s-video   ! video/x-raw-yuv, format=\(fourcc\)UYVY, width=720, height=576 ! queue ! TIVidResize !'video/x-raw-yuv,width=320,height=240'! queue ! tidisplaysink2

On the second we getting a problem while playing composite video input, where the video is not playing properly (playing video but we cant able to recognize the video, something like jumping and scrolling) but while playing s-video input on the same board it is playing properly.

Both the cards had same hardware connections and same software. We also tried by replacing the TVP5146 IC.
Help us in resolving this isuue or any guidance for the debugging the problem.

Regards

Sudhirkumar Reddipalli