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Added support for V4L2_PIX_FMT_Y16

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This commit is contained in:
stbnps 2016-08-29 22:49:02 +02:00 committed by Gregory Kramida
parent 32df09c275
commit a4a6ee34bf
1 changed files with 18 additions and 2 deletions
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20
modules/videoio/src/cap_v4l.cpp
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@ -466,12 +466,16 @@ static int autosetup_capture_mode_v4l2(CvCaptureCAM_V4L* capture) {
V4L2_PIX_FMT_SN9C10X,
V4L2_PIX_FMT_SBGGR8,
V4L2_PIX_FMT_SGBRG8,
V4L2_PIX_FMT_RGB24
V4L2_PIX_FMT_RGB24,
V4L2_PIX_FMT_Y16
};
for (size_t i = 0; i < sizeof(try_order) / sizeof(__u32); i++) {
capture->palette = try_order[i];
if (try_palette_v4l2(capture)) {
if (capture->palette == V4L2_PIX_FMT_Y16) {
capture->convert_rgb = false;
}
return 0;
}
}
@ -558,6 +562,7 @@ static int v4l2_num_channels(__u32 palette) {
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_MJPEG:
case V4L2_PIX_FMT_JPEG:
case V4L2_PIX_FMT_Y16:
return 1;
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_UYVY:
@ -589,8 +594,14 @@ static void v4l2_create_frame(CvCaptureCAM_V4L *capture) {
}
/* Set up Image data */
cvInitImageHeader(&capture->frame, size, IPL_DEPTH_8U, channels);
switch(capture->palette) {
case V4L2_PIX_FMT_Y16:
cvInitImageHeader(&capture->frame, size, IPL_DEPTH_16U, channels);
break;
default:
cvInitImageHeader(&capture->frame, size, IPL_DEPTH_8U, channels);
}
/* Allocate space for pixelformat we convert to.
* If we do not convert frame is just points to the buffer
*/
@ -1546,6 +1557,11 @@ static IplImage* icvRetrieveFrameCAM_V4L( CvCaptureCAM_V4L* capture, int) {
(unsigned char*)capture->buffers[(capture->bufferIndex+1) % capture->req.count].start,
(unsigned char*)capture->frame.imageData);
break;
case V4L2_PIX_FMT_Y16:
memcpy((char *)capture->frame.imageData,
(char *)capture->buffers[capture->bufferIndex].start,
capture->frame.imageSize);
break;
}
return(&capture->frame);