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libcamera: stream: Document stride will be 0 for compressed formats

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For compressed formats, v4l2_pix_format.bytesperline value will be zero
and is documented similarly in the kernel. Since we set the stride to
v4l2_pix_format.bytesperline, document the case where it is expected
to be zero (i.e. if the format is compressed).

Signed-off-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Umang Jain 2023-08-22 18:49:34 +05:30 • committed by Laurent Pinchart
parent 26ac1a8e3f
commit ae9bcb2155
1 changed files with 2 additions and 1 deletions
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src/libcamera/stream.cpp
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@ -311,7 +311,8 @@ StreamConfiguration::StreamConfiguration(const StreamFormats &formats)
* The stride value reports the number of bytes between the beginning of
* successive lines in an image buffer for this stream. The value is
* valid after successfully validating the configuration with a call to
* CameraConfiguration::validate().
* CameraConfiguration::validate(). For compressed formats (such as MJPEG),
* this value will be zero.
*/
/**