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$NetBSD: patch-modules_videoio_src_cap__v4l.cpp,v 1.2 2017/03/16 21:59:13 prlw1 Exp $
Conditionalize settings not available in NetBSD's v4l2 emulation.
--- modules/videoio/src/cap_v4l.cpp.orig 2016-12-23 12:54:44.000000000 +0000
+++ modules/videoio/src/cap_v4l.cpp
@@ -216,6 +216,7 @@ make & enjoy!
#include <fcntl.h>
#include <errno.h>
#include <sys/ioctl.h>
+#include <inttypes.h>
#include <sys/types.h>
#include <sys/mman.h>
@@ -469,9 +470,13 @@ static int autosetup_capture_mode_v4l2(C
V4L2_PIX_FMT_UYVY,
V4L2_PIX_FMT_SN9C10X,
V4L2_PIX_FMT_SBGGR8,
+#ifdef V4L2_PIX_FMT_SGBRG8
V4L2_PIX_FMT_SGBRG8,
- V4L2_PIX_FMT_RGB24,
- V4L2_PIX_FMT_Y16
+#endif
+ V4L2_PIX_FMT_RGB24
+#ifdef V4L2_PIX_FMT_Y16
+ ,V4L2_PIX_FMT_Y16
+#endif
};
for (size_t i = 0; i < sizeof(try_order) / sizeof(__u32); i++) {
@@ -520,12 +525,16 @@ static void v4l2_control_range(CvCapture
case V4L2_CID_GAIN:
cap->gain = range;
break;
+#ifdef V4L2_CID_EXPOSURE_ABSOLUTE
case V4L2_CID_EXPOSURE_ABSOLUTE:
cap->exposure = range;
break;
+#endif
+#ifdef V4L2_CID_FOCUS_ABSOLUTE
case V4L2_CID_FOCUS_ABSOLUTE:
cap->focus = range;
break;
+#endif
}
}
@@ -547,7 +556,9 @@ static void v4l2_scan_controls(CvCapture
break;
}
+#ifdef V4L2_CID_FOCUS_ABSOLUTE
v4l2_control_range(capture, V4L2_CID_FOCUS_ABSOLUTE);
+#endif
}
static int v4l2_set_fps(CvCaptureCAM_V4L* capture) {
@@ -563,8 +574,10 @@ static int v4l2_num_channels(__u32 palet
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_MJPEG:
case V4L2_PIX_FMT_JPEG:
+#ifdef V4L2_PIX_FMT_Y16
case V4L2_PIX_FMT_Y16:
return 1;
+#endif
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_UYVY:
return 2;
@@ -592,11 +605,13 @@ static void v4l2_create_frame(CvCaptureC
case V4L2_PIX_FMT_YVU420:
size.height = size.height * 3 / 2; // "1.5" channels
break;
+#ifdef V4L2_PIX_FMT_Y16
case V4L2_PIX_FMT_Y16:
if(!capture->convert_rgb){
depth = IPL_DEPTH_16U;
}
break;
+#endif
}
}
@@ -1555,18 +1570,21 @@ static IplImage* icvRetrieveFrameCAM_V4L
(unsigned char*)capture->frame.imageData);
break;
+#ifdef V4L2_PIX_FMT_SGBRG8
case V4L2_PIX_FMT_SGBRG8:
sgbrg2rgb24(capture->form.fmt.pix.width,
capture->form.fmt.pix.height,
(unsigned char*)capture->buffers[(capture->bufferIndex+1) % capture->req.count].start,
(unsigned char*)capture->frame.imageData);
break;
+#endif
case V4L2_PIX_FMT_RGB24:
rgb24_to_rgb24(capture->form.fmt.pix.width,
capture->form.fmt.pix.height,
(unsigned char*)capture->buffers[(capture->bufferIndex+1) % capture->req.count].start,
(unsigned char*)capture->frame.imageData);
break;
+#ifdef V4L2_PIX_FMT_Y16
case V4L2_PIX_FMT_Y16:
if(capture->convert_rgb){
y16_to_rgb24(capture->form.fmt.pix.width,
@@ -1579,6 +1597,7 @@ static IplImage* icvRetrieveFrameCAM_V4L
capture->frame.imageSize);
}
break;
+#endif
}
return(&capture->frame);
@@ -1596,14 +1615,22 @@ static inline __u32 capPropertyToV4L2(in
return V4L2_CID_HUE;
case CV_CAP_PROP_GAIN:
return V4L2_CID_GAIN;
+#ifdef V4L2_CID_EXPOSURE_AUTO
case CV_CAP_PROP_AUTO_EXPOSURE:
return V4L2_CID_EXPOSURE_AUTO;
+#endif
+#ifdef V4L2_CID_EXPOSURE_ABSOLUTE
case CV_CAP_PROP_EXPOSURE:
return V4L2_CID_EXPOSURE_ABSOLUTE;
+#endif
+#ifdef V4L2_CID_FOCUS_AUTO
case CV_CAP_PROP_AUTOFOCUS:
return V4L2_CID_FOCUS_AUTO;
+#endif
+#ifdef V4L2_CID_FOCUS_ABSOLUTE
case CV_CAP_PROP_FOCUS:
return V4L2_CID_FOCUS_ABSOLUTE;
+#endif
default:
return -1;
}
@@ -1749,12 +1776,14 @@ static bool icvSetControl (CvCaptureCAM_
return false;
}
+#if defined(V4L2_CID_EXPOSURE_AUTO) && defined(V4L2_EXPOSURE_MANUAL) && defined(V4L2_CID_EXPOSURE_ABSOLUTE)
if(control.id == V4L2_CID_EXPOSURE_AUTO && control.value == V4L2_EXPOSURE_MANUAL) {
// update the control range for expose after disabling autoexposure
// as it is not read correctly at startup
// TODO check this again as it might be fixed with Linux 4.5
v4l2_control_range(capture, V4L2_CID_EXPOSURE_ABSOLUTE);
}
+#endif
/* all was OK */
return true;
|
