thanks for the reply, I tried the command v4l2-ctl and this is the output
<pre>Driver Info (not using libv4l2):
Driver name : em28xx
Card type : Pinnacle Dazzle DVC 90/100/101/
Bus info : usb-0000:00:1d.7-2
Driver version: 3.2.37
Capabilities : 0x05000041
Video Capture
Sliced VBI Capture
Read/Write
Streaming
Frequency for tuner 0: 0 (0.000000 MHz)
Tuner 0:
Name : Tuner
Capabilities : 62.5 kHz
Frequency range : 0.000 MHz - 0.000 MHz
Signal strength/AFC : 100%/0
Current audio mode : mono
Available subchannels:
Video input : 0 (Composite1: ok)
Video Standard = 0x00000007
PAL-B/B1/G
Format Video Capture:
Width/Height : 720/576
Pixel Format : 'YUYV'
Field : Interlaced
Bytes per Line: 1440
Size Image : 829440
Colorspace : Broadcast NTSC/PAL (SMPTE170M/ITU601)
Format VBI Capture:
Sampling Rate : 13500000 Hz
Offset : 0 samples (0 secs after leading edge)
Samples per Line: 720
Sample Format : GREY
Start 1st Field : 6
Count 1st Field : 18
Start 2nd Field : 318
Count 2nd Field : 18
Crop Capability Video Capture:
Bounds : Left 0, Top 0, Width 720, Height 576
Default : Left 0, Top 0, Width 720, Height 576
Pixel Aspect: 54/59
Streaming Parameters Video Capture:
Frames per second: 25.000 (25/1)
Read buffers : 0
brightness (int) : min=0 max=255 step=1 default=128 value=128 flags=slider
contrast (int) : min=0 max=127 step=1 default=64 value=64 flags=slider
saturation (int) : min=0 max=127 step=1 default=64 value=64 flags=slider
hue (int) : min=-128 max=127 step=1 default=0 value=0 flags=slider
chroma_agc (bool) : default=1 value=1 flags=update
chroma_gain (int) : min=0 max=127 step=1 default=40 value=45 flags=inactive, slider, volatile</pre>
in the attached file there the output of v4l2 aviable caps obtained using this sample code:
<a href="http://docs.gstreamer.com/display/GstSDK/Basic+tutorial+6%3A+Media+formats+and+Pad+Capabilities" target="_top" rel="nofollow" link="external">http://docs.gstreamer.com/display/GstSDK/Basic+tutorial+6%3A+Media+formats+and+Pad+Capabilities</a><a href="http://gstreamer-devel.966125.n4.nabble.com/file/n4658696/aviable_caps.zip" target="_top" rel="nofollow" link="external">aviable_caps.zip</a>
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View this message in context: <a href="http://gstreamer-devel.966125.n4.nabble.com/v4l2src-frame-size-problem-tp4658576p4658696.html">Re: v4l2src frame size problem</a><br/>
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