[libcamera-devel] [PATCH 1/2] libcamera: Add support for planar YVU420 format

Kieran Bingham kieran.bingham at ideasonboard.com
Tue Jul 21 00:53:50 CEST 2020


Hi Niklas,

On 20/07/2020 09:05, Jacopo Mondi wrote:
> Hi Niklas,
> 
> On Sat, Jul 18, 2020 at 04:34:27PM +0200, Niklas Söderlund wrote:
>> Add support for planar YVU420.
>>
>> Signed-off-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
> 
> Looks good!
> Reviewed-by: Jacopo Mondi <jacopo at jmondi.org>

Likewise,

But see below for a single space nit...


> 
> Thanks
>   j
> 
>> ---
>>  src/libcamera/formats.cpp          | 10 ++++++++++
>>  src/libcamera/formats.yaml         |  2 ++
>>  src/libcamera/v4l2_pixelformat.cpp |  1 +
>>  3 files changed, 13 insertions(+)
>>
>> diff --git a/src/libcamera/formats.cpp b/src/libcamera/formats.cpp
>> index 3f895a7c2badc34a..8f9bdafe821b2e69 100644
>> --- a/src/libcamera/formats.cpp
>> +++ b/src/libcamera/formats.cpp
>> @@ -407,6 +407,16 @@ const std::map<PixelFormat, PixelFormatInfo> pixelFormatInfo{
>>  		.pixelsPerGroup = 2,
>>  		.planes = {{ { 2, 1 }, { 1, 2 }, { 1, 2 } }},
>>  	} },
>> +	{ formats::YVU420, {
>> +		.name = "YVU420",
>> +		.format = PixelFormat(formats::YVU420),
>> +		.v4l2Format = V4L2PixelFormat(V4L2_PIX_FMT_YVU420),
>> +		.bitsPerPixel = 12,
>> +		.colourEncoding = PixelFormatInfo::ColourEncodingYUV,
>> +		.packed = false,
>> +		.pixelsPerGroup = 2,
>> +		.planes = {{ { 2, 1 }, { 1, 2 }, { 1, 2 } }},
>> +	} },
>>  	{ formats::YUV422, {
>>  		.name = "YUV422",
>>  		.format = PixelFormat(formats::YUV422),
>> diff --git a/src/libcamera/formats.yaml b/src/libcamera/formats.yaml
>> index ce06dbc41aa13f5e..6b5f084bb2e4e970 100644
>> --- a/src/libcamera/formats.yaml
>> +++ b/src/libcamera/formats.yaml
>> @@ -55,6 +55,8 @@ formats:
>>
>>    - YUV420:
>>        fourcc: DRM_FORMAT_YUV420
>> +  - YVU420:
>> +      fourcc: DRM_FORMAT_YVU420
>>    - YUV422:
>>        fourcc: DRM_FORMAT_YUV422
>>
>> diff --git a/src/libcamera/v4l2_pixelformat.cpp b/src/libcamera/v4l2_pixelformat.cpp
>> index 6745d17d49269bab..1609f8bb6370fa65 100644
>> --- a/src/libcamera/v4l2_pixelformat.cpp
>> +++ b/src/libcamera/v4l2_pixelformat.cpp
>> @@ -64,6 +64,7 @@ const std::map<V4L2PixelFormat, PixelFormat> vpf2pf{
>>  	{ V4L2PixelFormat(V4L2_PIX_FMT_NV12), formats::NV12 },
>>  	{ V4L2PixelFormat(V4L2_PIX_FMT_NV21), formats::NV21 },
>>  	{ V4L2PixelFormat(V4L2_PIX_FMT_YUV420), formats::YUV420 },
>> +	{ V4L2PixelFormat(V4L2_PIX_FMT_YVU420), formats::YVU420},

Shouldn't there be a space after YVU420 to match the other lines?

With that fixed,

Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

>>  	{ V4L2PixelFormat(V4L2_PIX_FMT_YUV422P), formats::YUV422 },
>>
>>  	/* Greyscale formats. */
>> --
>> 2.27.0
>>
>> _______________________________________________
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>> libcamera-devel at lists.libcamera.org
>> https://lists.libcamera.org/listinfo/libcamera-devel
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> libcamera-devel at lists.libcamera.org
> https://lists.libcamera.org/listinfo/libcamera-devel
> 

-- 
Regards
--
Kieran


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