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Userspace workaround for the wrong TC358743 RGB bytes ordering

Browse Source 
- https://github.com/raspberrypi/linux/issues/6068
This commit is contained in:
Maxim Devaev
2024-03-26 18:35:13 +02:00
parent 290282b6b6
commit 7015a26a63
4 changed files with 23 additions and 0 deletions
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15
src/libs/capture.c
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@@ -747,6 +747,21 @@ static int _capture_open_format(us_capture_s *cap, bool first) {
run->format = FMT(pixelformat);
_D_LOG_INFO("Using format: %s", _format_to_string_supported(run->format));
if (cap->format_swap_rgb) {
// Userspace workaround for TC358743 RGB/BGR bug:
// - https://github.com/raspberrypi/linux/issues/6068
uint swapped = 0;
switch (run->format) {
case V4L2_PIX_FMT_RGB24: swapped = V4L2_PIX_FMT_BGR24; break;
case V4L2_PIX_FMT_BGR24: swapped = V4L2_PIX_FMT_RGB24; break;
}
if (swapped > 0) {
_D_LOG_INFO("Using format swap: %s -> %s",
_format_to_string_supported(run->format),
_format_to_string_supported(swapped));
run->format = swapped;
}
}
run->stride = FMTS(bytesperline);
run->raw_size = FMTS(sizeimage); // Only for userptr

2
src/libs/capture.h
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@@ -104,6 +104,8 @@ typedef struct {
uint width;
uint height;
uint format;
bool format_swap_rgb;
uint jpeg_quality;
v4l2_std_id standard;
enum v4l2_memory io_method;