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Wim Taymans authored
sys/v4l2/gstv4l2src.c: Restructure the setcaps function so that we can also compute the expected GStreamer output siz... Original commit message from CVS: * sys/v4l2/gstv4l2src.c: (gst_v4l2_get_caps_info), (gst_v4l2src_set_caps), (gst_v4l2src_get_mmap): Restructure the setcaps function so that we can also compute the expected GStreamer output size of the video frames. Set frame_byte_size correctly so that read-based devices have a chance of working correctly. When grabbing a frame, discard frames that are not of the expected size. Some cameras don't output the right framesize for the first buffer. Try only a couple of times to get a valid frame, else error out. * sys/v4l2/v4l2_calls.c: (gst_v4l2_get_capabilities), (gst_v4l2_fill_lists), (gst_v4l2_get_input): Add some more debug info when scanning the device. * sys/v4l2/v4l2src_calls.c: (gst_v4l2_buffer_new), (gst_v4l2_buffer_pool_new), (gst_v4l2_buffer_pool_activate), (gst_v4l2src_fill_format_list), (gst_v4l2src_grab_frame), (gst_v4l2src_set_capture), (gst_v4l2src_capture_init): Add some more debug info when dequeing a frame.
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