Messages in this thread Patch in this message | | | From | Ricardo Ribalda <> | Subject | [PATCH v10 12/21] media: uvcvideo: Increase the size of UVC_METADATA_BUF_SIZE | Date | Fri, 18 Jun 2021 14:29:14 +0200 |
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Hans has discovered that in his test device, for the H264 format bytesused goes up to about 570, for YUYV it will actually go up to a bit over 5000 bytes, and for MJPG up to about 2706 bytes.
We should also, according to V4L2_META_FMT_UVC docs, drop headers when the buffer is full.
Credit-to: Hans Verkuil <hverkuil@xs4all.nl> Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> --- drivers/media/usb/uvc/uvcvideo.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 5eb7e87f8430..37a092d717cf 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -524,7 +524,7 @@ struct uvc_stats_stream { unsigned int max_sof; /* Maximum STC.SOF value */ }; -#define UVC_METADATA_BUF_SIZE 1024 +#define UVC_METADATA_BUF_SIZE 10240 /** * struct uvc_copy_op: Context structure to schedule asynchronous memcpy -- 2.32.0.288.g62a8d224e6-goog
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