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authorVedant Paranjape <vedantparanjape160201@gmail.com>2022-01-04 18:37:08 +0530
committerHans Verkuil <hverkuil-cisco@xs4all.nl>2022-01-10 12:49:59 +0100
commit9f0eab72e17e4167c2d4df790c7e384240ce5c37 (patch)
treeb515dd0953765d144218a52df575a25631057272 /include
parentd4b7017466a9f0d7603404629e8248c66007bfb9 (diff)
v4l2-utils: Fix incorrect use of fd in streaming_set_cap2out
Running the "Stream video from a capture video device (/dev/video1) to an output video device (/dev/video2)" example from the manpage with vivid as the output device failed with a error message. vedant@pc ~$ v4l2-ctl --list-devices vivid (platform:vivid-000): /dev/video2 /dev/video3 /dev/radio0 /dev/radio1 /dev/vbi0 /dev/vbi1 /dev/swradio0 /dev/media1 HD WebCam: HD WebCam (usb-0000:00:14.0-7): /dev/video0 /dev/video1 /dev/media0 vedant@pc ~$ v4l2-ctl -d0 --stream-mmap --out-device /dev/video3 --stream-out-dmabuf VIDIOC_G_FMT returned -1 (Invalid argument) <VIDIOC_QBUF: failed: Invalid argument handle out -1 handle out2in -1 While using the --out-device mode g_fmt must be operated on out_fd as well. determine_field was called on fps_timestamp object for output, but was not passed out_fd. This patch fixes the VIDIOC_G_FMT returned -1 (Invalid argument) error. Signed-off-by: Vedant Paranjape <vedantparanjape160201@gmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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