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Add Support for YUV420 and YVU variants. (#276)

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* Add Support fo YUV420 and 410 and YVU variants.

* Add new formats to the help messaging

* Remove YUV410 supprt since M2M encoder on Pi cannot convert it

* Cleanups requested by @mdevaev

* Change to use u8 per @mdevaev
This commit is contained in:
Sam Listopad
2025-01-26 22:14:18 -06:00
committed by GitHub
parent b304364af9
commit db297db52e
4 changed files with 81 additions and 17 deletions
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2
src/libs/capture.c
View File

@@ -72,6 +72,8 @@ static const struct {
{"BGR24", V4L2_PIX_FMT_BGR24},
{"MJPEG", V4L2_PIX_FMT_MJPEG},
{"JPEG", V4L2_PIX_FMT_JPEG},
{"YU12", V4L2_PIX_FMT_YUV420},
{"YV12", V4L2_PIX_FMT_YVU420},
};
static const struct {

2
src/libs/capture.h
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@@ -39,7 +39,7 @@
#define US_VIDEO_MAX_FPS ((uint)120)
#define US_STANDARDS_STR "PAL, NTSC, SECAM"
#define US_FORMATS_STR "YUYV, YVYU, UYVY, RGB565, RGB24, BGR24, MJPEG, JPEG"
#define US_FORMATS_STR "YUYV, YVYU, UYVY, YU12, YV12, RGB565, RGB24, BGR24, MJPEG, JPEG"
#define US_IO_METHODS_STR "MMAP, USERPTR"

2
src/libs/frame.c
View File

@@ -82,6 +82,8 @@ bool us_frame_compare(const us_frame_s *a, const us_frame_s *b) {
uint us_frame_get_padding(const us_frame_s *frame) {
uint bytes_per_pixel = 0;
switch (frame->format) {
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_YUV420: bytes_per_pixel = 1; break;
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_UYVY: