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libcamera: PixelFormatInfo: Add functions stride and frameSize

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Add member functions to PixelFormatInfo for calculating stride and frame
size. This will simplify existing code that calculates these things.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Paul Elder
2020-06-29 22:28:38 +09:00
parent 8addae2583
commit e83727a194
2 changed files with 108 additions and 0 deletions
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include/libcamera/internal/formats.h
+6
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@@ -53,6 +53,12 @@ public:
static const PixelFormatInfo &info(const PixelFormat &format);
static const PixelFormatInfo &info(const V4L2PixelFormat &format);
unsigned int stride(unsigned int width, unsigned int plane,
unsigned int align = 1) const;
unsigned int frameSize(const Size &size, unsigned int align = 1) const;
unsigned int frameSize(const Size &size,
const std::array<unsigned int, 3> &strides) const;
/* \todo Add support for non-contiguous memory planes */
const char *name;
PixelFormat format;