Re: [PATCH 2/9] v4l: Add definitions for missing 16-bit RGB4444 formats

2019-07-09 Thread Hans Verkuil 
Hi Laurent,

On 3/28/19 8:07 AM, Laurent Pinchart wrote:
> The V4L2 API is missing the 16-bit RGB formats for the RGBA, RGBX,
> ABGR, XBGR, BGRA and BGRX component orders. Add them, using the same
> 4CCs as DRM.
> 
> Signed-off-by: Laurent Pinchart 
> ---
>  .../media/uapi/v4l/pixfmt-packed-rgb.rst  | 138 ++
>  include/uapi/linux/videodev2.h|   6 +
>  2 files changed, 144 insertions(+)
> 



> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index 4e5222726719..df9fa78a6ab7 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -514,6 +514,12 @@ struct v4l2_pix_format {
>  #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16   
>  */
>  #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16   
>  */
>  #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('B', 'A', '1', '2') /* 16   
>  */

Hmm, 'BA12' clashes with V4L2_PIX_FMT_SGRBG12 which has the same fourcc.
That fourcc makes no sense for V4L2_PIX_FMT_SGRBG12 and I suspect it was
a mistake, but it's been in use since 2014.

I think V4L2_PIX_FMT_BGRA444 should get a different fourcc and be backported to 
5.2.

Can you address this issue?

Regards,

Hans

> +#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16   
>  */
>  #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  
> RGB-5-5-5 */
>  #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  
> ARGB-1-5-5-5  */
>  #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16  
> XRGB-1-5-5-5  */
>

Re: [PATCH 2/9] v4l: Add definitions for missing 16-bit RGB4444 formats

2019-04-17 Thread Laurent Pinchart 
Hi Jacopo,

On Thu, Apr 04, 2019 at 06:00:49PM +0200, Jacopo Mondi wrote:
> On Thu, Mar 28, 2019 at 09:07:16AM +0200, Laurent Pinchart wrote:
> > The V4L2 API is missing the 16-bit RGB formats for the RGBA, RGBX,
> > ABGR, XBGR, BGRA and BGRX component orders. Add them, using the same
> > 4CCs as DRM.
> >
> > Signed-off-by: Laurent Pinchart 
> 
> I checked the documentation and it seems right, I cannot relate the
> name to the ordering but I guess this is intended.

The 16-bit RGB V4L2 4CCs are named based on a little endian byte
ordering. If you look at V4L2_PIX_FMT_RGBA444 for instance, we have, in
memory

 

If you read that as a 16-bit integer in little endian order, you get



hence the name RGBA444.

> Reviewed-by: Jacopo Mondi 
> 
> > ---
> >  .../media/uapi/v4l/pixfmt-packed-rgb.rst  | 138 ++
> >  include/uapi/linux/videodev2.h|   6 +
> >  2 files changed, 144 insertions(+)
> >
> > diff --git a/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst 
> > b/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
> > index 055f9c89e787..b475cbba492f 100644
> > --- a/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
> > +++ b/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
> > @@ -139,6 +139,144 @@ next to each other in memory.
> >- r\ :sub:`1`
> >- r\ :sub:`0`
> >-
> > +* .. _V4L2-PIX-FMT-RGBA444:
> > +
> > +  - ``V4L2_PIX_FMT_RGBA444``
> > +  - 'RA12'
> > +
> > +  - b\ :sub:`3`
> > +  - b\ :sub:`2`
> > +  - b\ :sub:`1`
> > +  - b\ :sub:`0`
> > +  - a\ :sub:`3`
> > +  - a\ :sub:`2`
> > +  - a\ :sub:`1`
> > +  - a\ :sub:`0`
> > +
> > +  - r\ :sub:`3`
> > +  - r\ :sub:`2`
> > +  - r\ :sub:`1`
> > +  - r\ :sub:`0`
> > +  - g\ :sub:`3`
> > +  - g\ :sub:`2`
> > +  - g\ :sub:`1`
> > +  - g\ :sub:`0`
> > +  -
> > +* .. _V4L2-PIX-FMT-RGBX444:
> > +
> > +  - ``V4L2_PIX_FMT_RGBX444``
> > +  - 'RX12'
> > +
> > +  - b\ :sub:`3`
> > +  - b\ :sub:`2`
> > +  - b\ :sub:`1`
> > +  - b\ :sub:`0`
> > +  -
> > +  -
> > +  -
> > +  -
> > +
> > +  - r\ :sub:`3`
> > +  - r\ :sub:`2`
> > +  - r\ :sub:`1`
> > +  - r\ :sub:`0`
> > +  - g\ :sub:`3`
> > +  - g\ :sub:`2`
> > +  - g\ :sub:`1`
> > +  - g\ :sub:`0`
> > +  -
> > +* .. _V4L2-PIX-FMT-ABGR444:
> > +
> > +  - ``V4L2_PIX_FMT_ABGR444``
> > +  - 'AB12'
> > +
> > +  - g\ :sub:`3`
> > +  - g\ :sub:`2`
> > +  - g\ :sub:`1`
> > +  - g\ :sub:`0`
> > +  - r\ :sub:`3`
> > +  - r\ :sub:`2`
> > +  - r\ :sub:`1`
> > +  - r\ :sub:`0`
> > +
> > +  - a\ :sub:`3`
> > +  - a\ :sub:`2`
> > +  - a\ :sub:`1`
> > +  - a\ :sub:`0`
> > +  - b\ :sub:`3`
> > +  - b\ :sub:`2`
> > +  - b\ :sub:`1`
> > +  - b\ :sub:`0`
> > +  -
> > +* .. _V4L2-PIX-FMT-XBGR444:
> > +
> > +  - ``V4L2_PIX_FMT_XBGR444``
> > +  - 'XB12'
> > +
> > +  - g\ :sub:`3`
> > +  - g\ :sub:`2`
> > +  - g\ :sub:`1`
> > +  - g\ :sub:`0`
> > +  - r\ :sub:`3`
> > +  - r\ :sub:`2`
> > +  - r\ :sub:`1`
> > +  - r\ :sub:`0`
> > +
> > +  -
> > +  -
> > +  -
> > +  -
> > +  - b\ :sub:`3`
> > +  - b\ :sub:`2`
> > +  - b\ :sub:`1`
> > +  - b\ :sub:`0`
> > +  -
> > +* .. _V4L2-PIX-FMT-BGRA444:
> > +
> > +  - ``V4L2_PIX_FMT_BGRA444``
> > +  - 'BA12'
> > +
> > +  - r\ :sub:`3`
> > +  - r\ :sub:`2`
> > +  - r\ :sub:`1`
> > +  - r\ :sub:`0`
> > +  - a\ :sub:`3`
> > +  - a\ :sub:`2`
> > +  - a\ :sub:`1`
> > +  - a\ :sub:`0`
> > +
> > +  - b\ :sub:`3`
> > +  - b\ :sub:`2`
> > +  - b\ :sub:`1`
> > +  - b\ :sub:`0`
> > +  - g\ :sub:`3`
> > +  - g\ :sub:`2`
> > +  - g\ :sub:`1`
> > +  - g\ :sub:`0`
> > +  -
> > +* .. _V4L2-PIX-FMT-BGRX444:
> > +
> > +  - ``V4L2_PIX_FMT_BGRX444``
> > +  - 'BX12'
> > +
> > +  - r\ :sub:`3`
> > +  - r\ :sub:`2`
> > +  - r\ :sub:`1`
> > +  - r\ :sub:`0`
> > +  -
> > +  -
> > +  -
> > +  -
> > +
> > +  - b\ :sub:`3`
> > +  - b\ :sub:`2`
> > +  - b\ :sub:`1`
> > +  - b\ :sub:`0`
> > +  - g\ :sub:`3`
> > +  - g\ :sub:`2`
> > +  - g\ :sub:`1`
> > +  - g\ :sub:`0`
> > +  -
> >  * .. _V4L2-PIX-FMT-ARGB555:
> >
> >- ``V4L2_PIX_FMT_ARGB555``
> > diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> > index 4e5222726719..df9fa78a6ab7 100644
> > --- a/include/uapi/linux/videodev2.h
> > +++ b/include/uapi/linux/videodev2.h
> > @@ -514,6 +514,12 @@ struct v4l2_pix_format {
> >  #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  
> >   */
> >  #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16  
> >   */
> >  #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X',

Re: [PATCH 2/9] v4l: Add definitions for missing 16-bit RGB4444 formats

2019-04-04 Thread Jacopo Mondi 
Hi Laurent,

On Thu, Mar 28, 2019 at 09:07:16AM +0200, Laurent Pinchart wrote:
> The V4L2 API is missing the 16-bit RGB formats for the RGBA, RGBX,
> ABGR, XBGR, BGRA and BGRX component orders. Add them, using the same
> 4CCs as DRM.
>
> Signed-off-by: Laurent Pinchart 

I checked the documentation and it seems right, I cannot relate the
name to the ordering but I guess this is intended.

Reviewed-by: Jacopo Mondi 

Thanks
   j
> ---
>  .../media/uapi/v4l/pixfmt-packed-rgb.rst  | 138 ++
>  include/uapi/linux/videodev2.h|   6 +
>  2 files changed, 144 insertions(+)
>
> diff --git a/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst 
> b/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
> index 055f9c89e787..b475cbba492f 100644
> --- a/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
> +++ b/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
> @@ -139,6 +139,144 @@ next to each other in memory.
>- r\ :sub:`1`
>- r\ :sub:`0`
>-
> +* .. _V4L2-PIX-FMT-RGBA444:
> +
> +  - ``V4L2_PIX_FMT_RGBA444``
> +  - 'RA12'
> +
> +  - b\ :sub:`3`
> +  - b\ :sub:`2`
> +  - b\ :sub:`1`
> +  - b\ :sub:`0`
> +  - a\ :sub:`3`
> +  - a\ :sub:`2`
> +  - a\ :sub:`1`
> +  - a\ :sub:`0`
> +
> +  - r\ :sub:`3`
> +  - r\ :sub:`2`
> +  - r\ :sub:`1`
> +  - r\ :sub:`0`
> +  - g\ :sub:`3`
> +  - g\ :sub:`2`
> +  - g\ :sub:`1`
> +  - g\ :sub:`0`
> +  -
> +* .. _V4L2-PIX-FMT-RGBX444:
> +
> +  - ``V4L2_PIX_FMT_RGBX444``
> +  - 'RX12'
> +
> +  - b\ :sub:`3`
> +  - b\ :sub:`2`
> +  - b\ :sub:`1`
> +  - b\ :sub:`0`
> +  -
> +  -
> +  -
> +  -
> +
> +  - r\ :sub:`3`
> +  - r\ :sub:`2`
> +  - r\ :sub:`1`
> +  - r\ :sub:`0`
> +  - g\ :sub:`3`
> +  - g\ :sub:`2`
> +  - g\ :sub:`1`
> +  - g\ :sub:`0`
> +  -
> +* .. _V4L2-PIX-FMT-ABGR444:
> +
> +  - ``V4L2_PIX_FMT_ABGR444``
> +  - 'AB12'
> +
> +  - g\ :sub:`3`
> +  - g\ :sub:`2`
> +  - g\ :sub:`1`
> +  - g\ :sub:`0`
> +  - r\ :sub:`3`
> +  - r\ :sub:`2`
> +  - r\ :sub:`1`
> +  - r\ :sub:`0`
> +
> +  - a\ :sub:`3`
> +  - a\ :sub:`2`
> +  - a\ :sub:`1`
> +  - a\ :sub:`0`
> +  - b\ :sub:`3`
> +  - b\ :sub:`2`
> +  - b\ :sub:`1`
> +  - b\ :sub:`0`
> +  -
> +* .. _V4L2-PIX-FMT-XBGR444:
> +
> +  - ``V4L2_PIX_FMT_XBGR444``
> +  - 'XB12'
> +
> +  - g\ :sub:`3`
> +  - g\ :sub:`2`
> +  - g\ :sub:`1`
> +  - g\ :sub:`0`
> +  - r\ :sub:`3`
> +  - r\ :sub:`2`
> +  - r\ :sub:`1`
> +  - r\ :sub:`0`
> +
> +  -
> +  -
> +  -
> +  -
> +  - b\ :sub:`3`
> +  - b\ :sub:`2`
> +  - b\ :sub:`1`
> +  - b\ :sub:`0`
> +  -
> +* .. _V4L2-PIX-FMT-BGRA444:
> +
> +  - ``V4L2_PIX_FMT_BGRA444``
> +  - 'BA12'
> +
> +  - r\ :sub:`3`
> +  - r\ :sub:`2`
> +  - r\ :sub:`1`
> +  - r\ :sub:`0`
> +  - a\ :sub:`3`
> +  - a\ :sub:`2`
> +  - a\ :sub:`1`
> +  - a\ :sub:`0`
> +
> +  - b\ :sub:`3`
> +  - b\ :sub:`2`
> +  - b\ :sub:`1`
> +  - b\ :sub:`0`
> +  - g\ :sub:`3`
> +  - g\ :sub:`2`
> +  - g\ :sub:`1`
> +  - g\ :sub:`0`
> +  -
> +* .. _V4L2-PIX-FMT-BGRX444:
> +
> +  - ``V4L2_PIX_FMT_BGRX444``
> +  - 'BX12'
> +
> +  - r\ :sub:`3`
> +  - r\ :sub:`2`
> +  - r\ :sub:`1`
> +  - r\ :sub:`0`
> +  -
> +  -
> +  -
> +  -
> +
> +  - b\ :sub:`3`
> +  - b\ :sub:`2`
> +  - b\ :sub:`1`
> +  - b\ :sub:`0`
> +  - g\ :sub:`3`
> +  - g\ :sub:`2`
> +  - g\ :sub:`1`
> +  - g\ :sub:`0`
> +  -
>  * .. _V4L2-PIX-FMT-ARGB555:
>
>- ``V4L2_PIX_FMT_ARGB555``
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index 4e5222726719..df9fa78a6ab7 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -514,6 +514,12 @@ struct v4l2_pix_format {
>  #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16   
>  */
>  #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16   
>  */
>  #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('B', 'A', '1', '2') /* 16   
>  */
> +#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16   
>  */
>  #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  
>

[PATCH 2/9] v4l: Add definitions for missing 16-bit RGB4444 formats

2019-03-28 Thread Laurent Pinchart 
The V4L2 API is missing the 16-bit RGB formats for the RGBA, RGBX,
ABGR, XBGR, BGRA and BGRX component orders. Add them, using the same
4CCs as DRM.

Signed-off-by: Laurent Pinchart 
---
 .../media/uapi/v4l/pixfmt-packed-rgb.rst  | 138 ++
 include/uapi/linux/videodev2.h|   6 +
 2 files changed, 144 insertions(+)

diff --git a/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst 
b/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
index 055f9c89e787..b475cbba492f 100644
--- a/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
+++ b/Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
@@ -139,6 +139,144 @@ next to each other in memory.
   - r\ :sub:`1`
   - r\ :sub:`0`
   -
+* .. _V4L2-PIX-FMT-RGBA444:
+
+  - ``V4L2_PIX_FMT_RGBA444``
+  - 'RA12'
+
+  - b\ :sub:`3`
+  - b\ :sub:`2`
+  - b\ :sub:`1`
+  - b\ :sub:`0`
+  - a\ :sub:`3`
+  - a\ :sub:`2`
+  - a\ :sub:`1`
+  - a\ :sub:`0`
+
+  - r\ :sub:`3`
+  - r\ :sub:`2`
+  - r\ :sub:`1`
+  - r\ :sub:`0`
+  - g\ :sub:`3`
+  - g\ :sub:`2`
+  - g\ :sub:`1`
+  - g\ :sub:`0`
+  -
+* .. _V4L2-PIX-FMT-RGBX444:
+
+  - ``V4L2_PIX_FMT_RGBX444``
+  - 'RX12'
+
+  - b\ :sub:`3`
+  - b\ :sub:`2`
+  - b\ :sub:`1`
+  - b\ :sub:`0`
+  -
+  -
+  -
+  -
+
+  - r\ :sub:`3`
+  - r\ :sub:`2`
+  - r\ :sub:`1`
+  - r\ :sub:`0`
+  - g\ :sub:`3`
+  - g\ :sub:`2`
+  - g\ :sub:`1`
+  - g\ :sub:`0`
+  -
+* .. _V4L2-PIX-FMT-ABGR444:
+
+  - ``V4L2_PIX_FMT_ABGR444``
+  - 'AB12'
+
+  - g\ :sub:`3`
+  - g\ :sub:`2`
+  - g\ :sub:`1`
+  - g\ :sub:`0`
+  - r\ :sub:`3`
+  - r\ :sub:`2`
+  - r\ :sub:`1`
+  - r\ :sub:`0`
+
+  - a\ :sub:`3`
+  - a\ :sub:`2`
+  - a\ :sub:`1`
+  - a\ :sub:`0`
+  - b\ :sub:`3`
+  - b\ :sub:`2`
+  - b\ :sub:`1`
+  - b\ :sub:`0`
+  -
+* .. _V4L2-PIX-FMT-XBGR444:
+
+  - ``V4L2_PIX_FMT_XBGR444``
+  - 'XB12'
+
+  - g\ :sub:`3`
+  - g\ :sub:`2`
+  - g\ :sub:`1`
+  - g\ :sub:`0`
+  - r\ :sub:`3`
+  - r\ :sub:`2`
+  - r\ :sub:`1`
+  - r\ :sub:`0`
+
+  -
+  -
+  -
+  -
+  - b\ :sub:`3`
+  - b\ :sub:`2`
+  - b\ :sub:`1`
+  - b\ :sub:`0`
+  -
+* .. _V4L2-PIX-FMT-BGRA444:
+
+  - ``V4L2_PIX_FMT_BGRA444``
+  - 'BA12'
+
+  - r\ :sub:`3`
+  - r\ :sub:`2`
+  - r\ :sub:`1`
+  - r\ :sub:`0`
+  - a\ :sub:`3`
+  - a\ :sub:`2`
+  - a\ :sub:`1`
+  - a\ :sub:`0`
+
+  - b\ :sub:`3`
+  - b\ :sub:`2`
+  - b\ :sub:`1`
+  - b\ :sub:`0`
+  - g\ :sub:`3`
+  - g\ :sub:`2`
+  - g\ :sub:`1`
+  - g\ :sub:`0`
+  -
+* .. _V4L2-PIX-FMT-BGRX444:
+
+  - ``V4L2_PIX_FMT_BGRX444``
+  - 'BX12'
+
+  - r\ :sub:`3`
+  - r\ :sub:`2`
+  - r\ :sub:`1`
+  - r\ :sub:`0`
+  -
+  -
+  -
+  -
+
+  - b\ :sub:`3`
+  - b\ :sub:`2`
+  - b\ :sub:`1`
+  - b\ :sub:`0`
+  - g\ :sub:`3`
+  - g\ :sub:`2`
+  - g\ :sub:`1`
+  - g\ :sub:`0`
+  -
 * .. _V4L2-PIX-FMT-ARGB555:
 
   - ``V4L2_PIX_FMT_ARGB555``
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 4e5222726719..df9fa78a6ab7 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -514,6 +514,12 @@ struct v4l2_pix_format {
 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16   
 */
 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16   
 */
 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16   
 */
+#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16   
 */
+#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16   
 */
+#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16   
 */
+#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16   
 */
+#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('B', 'A', '1', '2') /* 16   
 */
+#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16   
 */
 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5  
   */
 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16  
ARGB-1-5-5-5  */
 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16  
XRGB-1-5-5-5  */
-- 
Regards,

Laurent Pinchart

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