[PATCH 3/9] media: v4l2: Introduce compressed pixel encoding definition and helper
From: Paul Kocialkowski <hidden>
Date: 2023-03-24 15:13:18
Also in:
linux-media, linux-staging, linux-sunxi, lkml
Subsystem:
media input infrastructure (v4l/dvb), the rest · Maintainers:
Mauro Carvalho Chehab, Linus Torvalds
Some pixel formats (such as JPEG) have their data compressed and encoded in a specific way, which is not directly YUV, RGB or Bayer. Add a new definition and helper for compressed pixel encoding to represent this situation. Signed-off-by: Paul Kocialkowski <redacted> --- include/media/v4l2-common.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/include/media/v4l2-common.h b/include/media/v4l2-common.h
index 1bdaea248089..37554bc10e2a 100644
--- a/include/media/v4l2-common.h
+++ b/include/media/v4l2-common.h@@ -465,12 +465,14 @@ int v4l2_s_parm_cap(struct video_device *vdev, * @V4L2_PIXEL_ENC_YUV: Pixel encoding is YUV * @V4L2_PIXEL_ENC_RGB: Pixel encoding is RGB * @V4L2_PIXEL_ENC_BAYER: Pixel encoding is Bayer + * @V4L2_PIXEL_ENC_COMPRESSED: Pixel encoding is compressed */ enum v4l2_pixel_encoding { V4L2_PIXEL_ENC_UNKNOWN = 0, V4L2_PIXEL_ENC_YUV = 1, V4L2_PIXEL_ENC_RGB = 2, V4L2_PIXEL_ENC_BAYER = 3, + V4L2_PIXEL_ENC_COMPRESSED = 4, }; /**
@@ -512,6 +514,11 @@ static inline bool v4l2_is_format_bayer(const struct v4l2_format_info *f) return f && f->pixel_enc == V4L2_PIXEL_ENC_BAYER; } +static inline bool v4l2_is_format_compressed(const struct v4l2_format_info *f) +{ + return f && f->pixel_enc == V4L2_PIXEL_ENC_COMPRESSED; +} + 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);
--
2.39.2
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