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when i try to capture frame from my avermedia volar hx tv tuner card (TV tuner card is connected with camera)...

VideoCapture cap; cap.open();

opencv shows the error as - libv4l2: error getting pixformat: Invalid argument libv4l2: error getting pixformat: Invalid argument HIGHGUI ERROR: V4L: device /dev/video1: Unable to query number of channels

output format from tv tuner card is - 720*576 uncompressed raw video. it uses video for linux library.

please help me in resolving the issue.

when i try to capture frame from my avermedia volar hx tv tuner card (TV tuner card is connected with camera)...

VideoCapture cap; cap.open();

opencv shows the error as - libv4l2: error getting pixformat: Invalid argument libv4l2: error getting pixformat: Invalid argument HIGHGUI ERROR: V4L: device /dev/video1: Unable to query number of channels

output format from tv tuner card is - 720*576 uncompressed raw video. it uses video for linux library.

please help me in resolving the issue.

when i When I try to capture frame from my avermedia volar hx tv tuner card (TV tuner card is connected with camera)...

VideoCapture cap; cap.open();cap.open();

libv4l2: error getting pixformat: Invalid argument libv4l2: error getting pixformat:  Invalid argument HIGHGUI ERROR: V4L: device /dev/video1: Unable to query number of channels
channels