This changes v4l2_pix_format and v4l2_plane_pix_format sizeimage field description to allow v4l clients to set bigger image size in case of variable length compressed data. Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx> --- Documentation/media/uapi/v4l/pixfmt-v4l2-mplane.rst | 5 ++++- Documentation/media/uapi/v4l/pixfmt-v4l2.rst | 3 ++- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentation/media/uapi/v4l/pixfmt-v4l2-mplane.rst b/Documentation/media/uapi/v4l/pixfmt-v4l2-mplane.rst index 7f82dad9013a..dbe0b74e9ba4 100644 --- a/Documentation/media/uapi/v4l/pixfmt-v4l2-mplane.rst +++ b/Documentation/media/uapi/v4l/pixfmt-v4l2-mplane.rst @@ -30,7 +30,10 @@ describing all planes of that format. * - __u32 - ``sizeimage`` - - Maximum size in bytes required for image data in this plane. + - Maximum size in bytes required for image data in this plane, + set by the driver. When the image consists of variable length + compressed data this is the maximum number of bytes required + to hold an image, and it is allowed to be set by the client. * - __u32 - ``bytesperline`` - Distance in bytes between the leftmost pixels in two adjacent diff --git a/Documentation/media/uapi/v4l/pixfmt-v4l2.rst b/Documentation/media/uapi/v4l/pixfmt-v4l2.rst index 71eebfc6d853..54b6d2b67bd7 100644 --- a/Documentation/media/uapi/v4l/pixfmt-v4l2.rst +++ b/Documentation/media/uapi/v4l/pixfmt-v4l2.rst @@ -89,7 +89,8 @@ Single-planar format structure - Size in bytes of the buffer to hold a complete image, set by the driver. Usually this is ``bytesperline`` times ``height``. When the image consists of variable length compressed data this is the - maximum number of bytes required to hold an image. + maximum number of bytes required to hold an image, and it is + allowed to be set by the client. * - __u32 - ``colorspace`` - Image colorspace, from enum :c:type:`v4l2_colorspace`. -- 2.17.1