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video: add V4L2_PIX_FMT_RGB565X pixel format support

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Add big-endian RGB565 (RGB565X) pixel format throughout the V4L2
video pipeline:
- IMGDATA_PIX_FMT_RGB565X in imgdata.h
- IMGSENSOR_PIX_FMT_RGB565X in imgsensor.h
- Format conversion and buffer size handling in v4l2_cap.c

This is needed by 8-bit DVP camera sensors that output RGB565 in
big-endian byte order (high byte first on the data bus).

Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>
This commit is contained in:
wangjianyu3
2026-03-16 11:48:42 +08:00
committed by Alan C. Assis
parent 3305badbd7
commit a07a6a00f4
3 changed files with 12 additions and 0 deletions
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include/nuttx/video/imgdata.h
+1
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@@ -48,6 +48,7 @@
#define IMGDATA_PIX_FMT_YUYV (6)
#define IMGDATA_PIX_FMT_YUV420P (7)
#define IMGDATA_PIX_FMT_NV12 (8)
#define IMGDATA_PIX_FMT_RGB565X (9)
/* Method access helper macros */
include/nuttx/video/imgsensor.h
+1
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@@ -124,6 +124,7 @@
#define IMGSENSOR_PIX_FMT_YUYV (6)
#define IMGSENSOR_PIX_FMT_YUV420P (7)
#define IMGSENSOR_PIX_FMT_NV12 (8)
#define IMGSENSOR_PIX_FMT_RGB565X (9)
/* Method access helper macros */