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-rw-r--r--include/media/v4l2-common.h33
1 files changed, 32 insertions, 1 deletions
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index c070d8ae11e5..d8c29e089000 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h
@@ -457,8 +457,24 @@ int v4l2_s_parm_cap(struct video_device *vdev,
/* Pixel format and FourCC helpers */
/**
+ * enum v4l2_pixel_encoding - specifies the pixel encoding value
+ *
+ * @V4L2_PIXEL_ENC_UNKNOWN: Pixel encoding is unknown/un-initialized
+ * @V4L2_PIXEL_ENC_YUV: Pixel encoding is YUV
+ * @V4L2_PIXEL_ENC_RGB: Pixel encoding is RGB
+ * @V4L2_PIXEL_ENC_BAYER: Pixel encoding is Bayer
+ */
+enum v4l2_pixel_encoding {
+ V4L2_PIXEL_ENC_UNKNOWN = 0,
+ V4L2_PIXEL_ENC_YUV = 1,
+ V4L2_PIXEL_ENC_RGB = 2,
+ V4L2_PIXEL_ENC_BAYER = 3,
+};
+
+/**
* struct v4l2_format_info - information about a V4L2 format
* @format: 4CC format identifier (V4L2_PIX_FMT_*)
+ * @pixel_enc: Pixel encoding (see enum v4l2_pixel_encoding above)
* @mem_planes: Number of memory planes, which includes the alpha plane (1 to 4).
* @comp_planes: Number of component planes, which includes the alpha plane (1 to 4).
* @bpp: Array of per-plane bytes per pixel
@@ -469,6 +485,7 @@ int v4l2_s_parm_cap(struct video_device *vdev,
*/
struct v4l2_format_info {
u32 format;
+ u8 pixel_enc;
u8 mem_planes;
u8 comp_planes;
u8 bpp[4];
@@ -478,8 +495,22 @@ struct v4l2_format_info {
u8 block_h[4];
};
-const struct v4l2_format_info *v4l2_format_info(u32 format);
+static inline bool v4l2_is_format_rgb(const struct v4l2_format_info *f)
+{
+ return f && f->pixel_enc == V4L2_PIXEL_ENC_RGB;
+}
+static inline bool v4l2_is_format_yuv(const struct v4l2_format_info *f)
+{
+ return f && f->pixel_enc == V4L2_PIXEL_ENC_YUV;
+}
+
+static inline bool v4l2_is_format_bayer(const struct v4l2_format_info *f)
+{
+ return f && f->pixel_enc == V4L2_PIXEL_ENC_BAYER;
+}
+
+const struct v4l2_format_info *v4l2_format_info(u32 format);
void v4l2_apply_frmsize_constraints(u32 *width, u32 *height,
const struct v4l2_frmsize_stepwise *frmsize);
int v4l2_fill_pixfmt(struct v4l2_pix_format *pixfmt, u32 pixelformat,