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Message-Id: <20210315173609.1547857-10-ribalda@chromium.org>
Date: Mon, 15 Mar 2021 18:36:07 +0100
From: Ricardo Ribalda <ribalda@...omium.org>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v4 09/11] media: uvcvideo: Increase the size of UVC_METADATA_BUF_SIZE
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.
Credit-to: Hans Verkuil <hverkuil@...all.nl>
Signed-off-by: Ricardo Ribalda <ribalda@...omium.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 1f17e4253673..91fc00ff311b 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -528,7 +528,7 @@ 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
--
2.31.0.rc2.261.g7f71774620-goog
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