05.07.18 16:52, Nicolas Dufresne пише: > Le jeudi 05 juillet 2018 à 16:35 +0300, Oleh Kravchenko a écrit : > > And do you get the same with GStreamer ? > gst-launch-1.0 v4l2src device=/dev/video1 norm=PAL ! videoconvert ! autovideosink Doesn't work: $ v4l2-ctl -d /dev/video2 --all Driver Info (not using libv4l2): Driver name : cx231xx Card type : Astrometa T2hybrid Bus info : usb-0000:01:00.0-7 Driver version: 4.16.18 Capabilities : 0x85200011 Video Capture VBI Capture Read/Write Streaming Extended Pix Format Device Capabilities Device Caps : 0x05200001 Video Capture Read/Write Streaming Extended Pix Format Priority: 2 Video input : 1 (Composite1: no signal, no hsync lock.) Video Standard = 0x000000ff PAL-B/B1/G/H/I/D/D1/K Format Video Capture: Width/Height : 720/576 Pixel Format : 'YUYV' Field : Interlaced Bytes per Line : 1440 Size Image : 829440 Colorspace : SMPTE 170M Transfer Function : Default YCbCr Encoding : Default Quantization : Default Flags : 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 : 2 User Controls 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 volume (int) : min=0 max=65535 step=655 default=60928 value=60928 flags=slider balance (int) : min=0 max=65535 step=655 default=32768 value=32768 flags=slider bass (int) : min=0 max=65535 step=655 default=32768 value=32768 flags=slider treble (int) : min=0 max=65535 step=655 default=32768 value=32768 flags=slider mute (bool) : default=0 value=1 $ gst-launch-1.0 v4l2src device=/dev/video2 norm=PAL ! videoconvert ! autovideosink Setting pipeline to PAUSED ... ERROR: Pipeline doesn't want to pause. ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed to get setting of tuner 0 on device '/dev/video2'. Additional debug info: /tmp/portage/media-plugins/gst-plugins-v4l2-1.12.4/work/gst-plugins-good-1.12.4/sys/v4l2/v4l2_calls.c(190): gst_v4l2_fill_lists (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: system error: Inappropriate ioctl for device Setting pipeline to NULL ... Freeing pipeline ... -- Best regards, Oleh Kravchenko
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