* [PATCH 1/1] [media] uvcvideo: Add 10,12bit and alternate 8bit greyscale
@ 2012-07-28 22:49 Stefan Muenzel
2012-07-29 5:56 ` Laurent Pinchart
0 siblings, 1 reply; 2+ messages in thread
From: Stefan Muenzel @ 2012-07-28 22:49 UTC (permalink / raw)
To: Laurent Pinchart, Mauro Carvalho Chehab, linux-media
Cc: linux-kernel, Stefan Muenzel
Some cameras support 10bit and 12bit greyscale, or use the alternate "Y8
" FOURCC for 8bit greyscale. Add support for these.
Tested on a 12bit camera.
Signed-off-by: Stefan Muenzel <stefanmuenzel@googlemail.com>
---
drivers/media/video/uvc/uvc_driver.c | 19 +++++++++++++++++--
drivers/media/video/uvc/uvcvideo.h | 9 +++++++++
2 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 1d13172..11db262 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -95,12 +95,27 @@ static struct uvc_format_desc uvc_fmts[] = {
.fcc = V4L2_PIX_FMT_UYVY,
},
{
- .name = "Greyscale (8-bit)",
+ .name = "Greyscale 8-bit (Y800)",
.guid = UVC_GUID_FORMAT_Y800,
.fcc = V4L2_PIX_FMT_GREY,
},
{
- .name = "Greyscale (16-bit)",
+ .name = "Greyscale 8-bit (Y8 )",
+ .guid = UVC_GUID_FORMAT_Y8,
+ .fcc = V4L2_PIX_FMT_GREY,
+ },
+ {
+ .name = "Greyscale 10-bit (Y10 )",
+ .guid = UVC_GUID_FORMAT_Y10,
+ .fcc = V4L2_PIX_FMT_Y10,
+ },
+ {
+ .name = "Greyscale 12-bit (Y12 )",
+ .guid = UVC_GUID_FORMAT_Y12,
+ .fcc = V4L2_PIX_FMT_Y12,
+ },
+ {
+ .name = "Greyscale 16-bit (Y16 )",
.guid = UVC_GUID_FORMAT_Y16,
.fcc = V4L2_PIX_FMT_Y16,
},
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h
index 7c3d082..3764040 100644
--- a/drivers/media/video/uvc/uvcvideo.h
+++ b/drivers/media/video/uvc/uvcvideo.h
@@ -79,6 +79,15 @@
#define UVC_GUID_FORMAT_Y800 \
{ 'Y', '8', '0', '0', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y8 \
+ { 'Y', '8', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y10 \
+ { 'Y', '1', '0', ' ', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_Y12 \
+ { 'Y', '1', '2', ' ', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
#define UVC_GUID_FORMAT_Y16 \
{ 'Y', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
--
1.7.10.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/1] [media] uvcvideo: Add 10,12bit and alternate 8bit greyscale
2012-07-28 22:49 [PATCH 1/1] [media] uvcvideo: Add 10,12bit and alternate 8bit greyscale Stefan Muenzel
@ 2012-07-29 5:56 ` Laurent Pinchart
0 siblings, 0 replies; 2+ messages in thread
From: Laurent Pinchart @ 2012-07-29 5:56 UTC (permalink / raw)
To: Stefan Muenzel; +Cc: Mauro Carvalho Chehab, linux-media, linux-kernel
Hi Stefan,
Thanks for the patch.
On Saturday 28 July 2012 18:49:14 Stefan Muenzel wrote:
> Some cameras support 10bit and 12bit greyscale, or use the alternate "Y8
> " FOURCC for 8bit greyscale. Add support for these.
Could you please tell me which camera(s) use those formats ?
> Tested on a 12bit camera.
>
> Signed-off-by: Stefan Muenzel <stefanmuenzel@googlemail.com>
> ---
> drivers/media/video/uvc/uvc_driver.c | 19 +++++++++++++++++--
> drivers/media/video/uvc/uvcvideo.h | 9 +++++++++
> 2 files changed, 26 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/video/uvc/uvc_driver.c
> b/drivers/media/video/uvc/uvc_driver.c index 1d13172..11db262 100644
> --- a/drivers/media/video/uvc/uvc_driver.c
> +++ b/drivers/media/video/uvc/uvc_driver.c
> @@ -95,12 +95,27 @@ static struct uvc_format_desc uvc_fmts[] = {
> .fcc = V4L2_PIX_FMT_UYVY,
> },
> {
> - .name = "Greyscale (8-bit)",
> + .name = "Greyscale 8-bit (Y800)",
> .guid = UVC_GUID_FORMAT_Y800,
> .fcc = V4L2_PIX_FMT_GREY,
> },
> {
> - .name = "Greyscale (16-bit)",
> + .name = "Greyscale 8-bit (Y8 )",
> + .guid = UVC_GUID_FORMAT_Y8,
> + .fcc = V4L2_PIX_FMT_GREY,
> + },
> + {
> + .name = "Greyscale 10-bit (Y10 )",
> + .guid = UVC_GUID_FORMAT_Y10,
> + .fcc = V4L2_PIX_FMT_Y10,
> + },
> + {
> + .name = "Greyscale 12-bit (Y12 )",
> + .guid = UVC_GUID_FORMAT_Y12,
> + .fcc = V4L2_PIX_FMT_Y12,
> + },
> + {
> + .name = "Greyscale 16-bit (Y16 )",
> .guid = UVC_GUID_FORMAT_Y16,
> .fcc = V4L2_PIX_FMT_Y16,
> },
> diff --git a/drivers/media/video/uvc/uvcvideo.h
> b/drivers/media/video/uvc/uvcvideo.h index 7c3d082..3764040 100644
> --- a/drivers/media/video/uvc/uvcvideo.h
> +++ b/drivers/media/video/uvc/uvcvideo.h
> @@ -79,6 +79,15 @@
> #define UVC_GUID_FORMAT_Y800 \
> { 'Y', '8', '0', '0', 0x00, 0x00, 0x10, 0x00, \
> 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
> +#define UVC_GUID_FORMAT_Y8 \
> + { 'Y', '8', ' ', ' ', 0x00, 0x00, 0x10, 0x00, \
> + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
> +#define UVC_GUID_FORMAT_Y10 \
> + { 'Y', '1', '0', ' ', 0x00, 0x00, 0x10, 0x00, \
> + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
> +#define UVC_GUID_FORMAT_Y12 \
> + { 'Y', '1', '2', ' ', 0x00, 0x00, 0x10, 0x00, \
> + 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
> #define UVC_GUID_FORMAT_Y16 \
> { 'Y', '1', '6', ' ', 0x00, 0x00, 0x10, 0x00, \
> 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
--
Regards,
Laurent Pinchart
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-07-28 22:49 [PATCH 1/1] [media] uvcvideo: Add 10,12bit and alternate 8bit greyscale Stefan Muenzel
2012-07-29 5:56 ` Laurent Pinchart
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