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opencv/modules/videoio/src/cap_dc1394_v2.cpp

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/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// Intel License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000, Intel Corporation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of Intel Corporation may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
#include "precomp.hpp"
#ifdef HAVE_DC1394_2
#include <unistd.h>
#include <stdint.h>
#ifdef _WIN32
// On Windows, we have no sys/select.h, but we need to pick up
// select() which is in winsock2.
#ifndef __SYS_SELECT_H__
#define __SYS_SELECT_H__ 1
#include <winsock2.h>
#endif
#else
#include <sys/select.h>
#endif /*_WIN32*/
#include <dc1394/dc1394.h>
#include <stdlib.h>
#include <string.h>
static dc1394error_t adaptBufferStereoLocal(dc1394video_frame_t *in, dc1394video_frame_t *out)
{
uint32_t bpp;
// buffer position is not changed. Size is boubled in Y
out->size[0] = in->size[0];
out->size[1] = in->size[1] * 2;
out->position[0] = in->position[0];
out->position[1] = in->position[1];
// color coding is set to mono8 or raw8.
switch (in->color_coding)
{
case DC1394_COLOR_CODING_RAW16:
out->color_coding = DC1394_COLOR_CODING_RAW8;
break;
case DC1394_COLOR_CODING_MONO16:
case DC1394_COLOR_CODING_YUV422:
out->color_coding = DC1394_COLOR_CODING_MONO8;
break;
default:
return DC1394_INVALID_COLOR_CODING;
}
// keep the color filter value in all cases. if the format is not raw it will not be further used anyway
out->color_filter = in->color_filter;
// the output YUV byte order must be already set if the buffer is YUV422 at the output
// if the output is not YUV we don't care about this field.
// Hence nothing to do.
// we always convert to 8bits (at this point) we can safely set this value to 8.
out->data_depth = 8;
// don't know what to do with stride... >>>> TODO: STRIDE SHOULD BE TAKEN INTO ACCOUNT... <<<<
// out->stride=??
// the video mode should not change. Color coding and other stuff can be accessed in specific fields of this struct
out->video_mode = in->video_mode;
// padding is kept:
out->padding_bytes = in->padding_bytes;
// image bytes changes: >>>> TODO: STRIDE SHOULD BE TAKEN INTO ACCOUNT... <<<<
dc1394_get_color_coding_bit_size(out->color_coding, &bpp);
out->image_bytes = (out->size[0] * out->size[1] * bpp) / 8;
// total is image_bytes + padding_bytes
out->total_bytes = out->image_bytes + out->padding_bytes;
// bytes-per-packet and packets_per_frame are internal data that can be kept as is.
out->packet_size = in->packet_size;
out->packets_per_frame = in->packets_per_frame;
// timestamp, frame_behind, id and camera are copied too:
out->timestamp = in->timestamp;
out->frames_behind = in->frames_behind;
out->camera = in->camera;
out->id = in->id;
// verify memory allocation:
if (out->total_bytes > out->allocated_image_bytes)
{
free(out->image);
out->image = (uint8_t*)malloc(out->total_bytes * sizeof(uint8_t));
out->allocated_image_bytes = out->total_bytes;
}
// Copy padding bytes:
memcpy(&(out->image[out->image_bytes]), &(in->image[in->image_bytes]), out->padding_bytes);
out->little_endian = DC1394_FALSE; // not used before 1.32 is out.
out->data_in_padding = DC1394_FALSE; // not used before 1.32 is out.
return DC1394_SUCCESS;
}
static dc1394error_t dc1394_deinterlace_stereo_frames_fixed(dc1394video_frame_t *in,
dc1394video_frame_t *out, dc1394stereo_method_t method)
{
if((in->color_coding == DC1394_COLOR_CODING_RAW16) ||
(in->color_coding == DC1394_COLOR_CODING_MONO16) ||
(in->color_coding == DC1394_COLOR_CODING_YUV422))
{
switch (method)
{
case DC1394_STEREO_METHOD_INTERLACED:
adaptBufferStereoLocal(in, out);
//FIXED by AB:
// dc1394_deinterlace_stereo(in->image, out->image, in->size[0], in->size[1]);
dc1394_deinterlace_stereo(in->image, out->image, out->size[0], out->size[1]);
break;
case DC1394_STEREO_METHOD_FIELD:
adaptBufferStereoLocal(in, out);
memcpy(out->image, in->image, out->image_bytes);
break;
}
return DC1394_INVALID_STEREO_METHOD;
}
else
return DC1394_FUNCTION_NOT_SUPPORTED;
}
static uint32_t getControlRegister(dc1394camera_t *camera, uint64_t offset)
{
uint32_t value = 0;
dc1394error_t err = dc1394_get_control_register(camera, offset, &value);
assert(err == DC1394_SUCCESS);
return err == DC1394_SUCCESS ? value : 0xffffffff;
}
struct CvDC1394
{
CvDC1394();
~CvDC1394();
dc1394_t* dc;
fd_set camFds;
};
CvDC1394::CvDC1394()
{
dc = dc1394_new();
FD_ZERO(&camFds);
}
CvDC1394::~CvDC1394()
{
if (dc)
dc1394_free(dc);
dc = 0;
}
static CvDC1394 dc1394;
class CvCaptureCAM_DC1394_v2_CPP : public CvCapture
{
public:
static int dc1394properties[CV_CAP_PROP_MAX_DC1394];
CvCaptureCAM_DC1394_v2_CPP();
virtual ~CvCaptureCAM_DC1394_v2_CPP()
{
close();
}
virtual bool open(int index);
virtual void close();
virtual double getProperty(int) const CV_OVERRIDE;
virtual bool setProperty(int, double) CV_OVERRIDE;
virtual bool grabFrame() CV_OVERRIDE;
virtual IplImage* retrieveFrame(int) CV_OVERRIDE;
virtual int getCaptureDomain() CV_OVERRIDE { return CV_CAP_DC1394; }
protected:
virtual bool startCapture();
virtual bool getVidereCalibrationInfo( char* buf, int bufSize );
virtual bool initVidereRectifyMaps( const char* info, IplImage* ml[2], IplImage* mr[2] );
uint64_t guid;
dc1394camera_t* dcCam;
int isoSpeed;
int videoMode;
int frameWidth, frameHeight;
double fps;
int nDMABufs;
bool started;
int userMode;
enum { VIDERE = 0x5505 };
int cameraId;
bool colorStereo;
dc1394bayer_method_t bayer;
dc1394color_filter_t bayerFilter;
enum { NIMG = 2 };
IplImage *img[NIMG];
dc1394video_frame_t* frameC;
int nimages;
bool rectify;
bool init_rectify;
IplImage *maps[NIMG][2];
dc1394featureset_t feature_set;
};
//mapping CV_CAP_PROP_ to DC1394_FEATUREs
int CvCaptureCAM_DC1394_v2_CPP::dc1394properties[CV_CAP_PROP_MAX_DC1394] = {
-1, //no corresponding feature for CV_CAP_PROP_POS_MSEC
-1,-1,-1,-1,
DC1394_FEATURE_FRAME_RATE, //CV_CAP_PROP_FPS - fps can be set for format 7 only!
-1,-1,-1,-1,
DC1394_FEATURE_BRIGHTNESS, //CV_CAP_PROP_BRIGHTNESS 10
-1,
DC1394_FEATURE_SATURATION, //CV_CAP_PROP_SATURATION
DC1394_FEATURE_HUE,
DC1394_FEATURE_GAIN,
DC1394_FEATURE_SHUTTER, //CV_CAP_PROP_EXPOSURE
-1, //CV_CAP_PROP_CONVERT_RGB
DC1394_FEATURE_WHITE_BALANCE, //corresponds to CV_CAP_PROP_WHITE_BALANCE_BLUE_U and CV_CAP_PROP_WHITE_BALANCE_RED_V, see set function to check these props are set
-1,-1,
DC1394_FEATURE_SHARPNESS, //20
DC1394_FEATURE_EXPOSURE, //CV_CAP_PROP_AUTO_EXPOSURE - this is auto exposure according to the IIDC standard
DC1394_FEATURE_GAMMA, //CV_CAP_PROP_GAMMA
DC1394_FEATURE_TEMPERATURE, //CV_CAP_PROP_TEMPERATURE
DC1394_FEATURE_TRIGGER, //CV_CAP_PROP_TRIGGER
DC1394_FEATURE_TRIGGER_DELAY, //CV_CAP_PROP_TRIGGER_DELAY
DC1394_FEATURE_WHITE_BALANCE, //CV_CAP_PROP_WHITE_BALANCE_RED_V
DC1394_FEATURE_ZOOM, //CV_CAP_PROP_ZOOM
DC1394_FEATURE_FOCUS, //CV_CAP_PROP_FOCUS
-1 //CV_CAP_PROP_GUID
};
CvCaptureCAM_DC1394_v2_CPP::CvCaptureCAM_DC1394_v2_CPP()
{
guid = 0;
dcCam = 0;
isoSpeed = 400;
fps = 15;
// Reset the value here to 1 in order to ensure only a single frame is stored in the buffer!
nDMABufs = 8;
started = false;
cameraId = 0;
colorStereo = false;
bayer = DC1394_BAYER_METHOD_BILINEAR;
bayerFilter = DC1394_COLOR_FILTER_GRBG;
frameWidth = 640;
frameHeight = 480;
for (int i = 0; i < NIMG; i++)
img[i] = maps[i][0] = maps[i][1] = 0;
frameC = 0;
nimages = 1;
rectify = false;
userMode = -1;
}
bool CvCaptureCAM_DC1394_v2_CPP::startCapture()
{
int i;
int code = 0;
if (!dcCam)
return false;
if (isoSpeed > 0)
{
// if capable set operation mode to 1394b for iso speeds above 400
if (isoSpeed > 400 && dcCam->bmode_capable == DC1394_TRUE)
{
dc1394_video_set_operation_mode(dcCam, DC1394_OPERATION_MODE_1394B);
}
code = dc1394_video_set_iso_speed(dcCam,
isoSpeed <= 100 ? DC1394_ISO_SPEED_100 :
isoSpeed <= 200 ? DC1394_ISO_SPEED_200 :
isoSpeed <= 400 ? DC1394_ISO_SPEED_400 :
isoSpeed <= 800 ? DC1394_ISO_SPEED_800 :
isoSpeed == 1600 ? DC1394_ISO_SPEED_1600 :
DC1394_ISO_SPEED_3200);
}
// should a specific mode be used
if (userMode >= 0)
{
dc1394video_mode_t wantedMode;
dc1394video_modes_t videoModes;
dc1394_video_get_supported_modes(dcCam, &videoModes);
//set mode from number, for example the second supported mode, i.e userMode = 1
if (userMode < (int)videoModes.num)
{
wantedMode = videoModes.modes[userMode];
}
//set modes directly from DC134 constants (from dc1394video_mode_t)
else if ((userMode >= DC1394_VIDEO_MODE_MIN) && (userMode <= DC1394_VIDEO_MODE_MAX ))
{
//search for wanted mode, to check if camera supports it
int j = 0;
while ((j< (int)videoModes.num) && videoModes.modes[j]!=userMode)
{
j++;
}
if ((int)videoModes.modes[j]==userMode)
{
wantedMode = videoModes.modes[j];
}
else
{
userMode = -1; // wanted mode not supported, search for best mode
}
}
else
{
userMode = -1; // wanted mode not supported, search for best mode
}
//if userMode is available: set it and update size
if (userMode != -1)
{
code = dc1394_video_set_mode(dcCam, wantedMode);
uint32_t width, height;
dc1394_get_image_size_from_video_mode(dcCam, wantedMode, &width, &height);
frameWidth = (int)width;
frameHeight = (int)height;
}
}
if (userMode == -1 && (frameWidth > 0 || frameHeight > 0))
{
dc1394video_mode_t bestMode = (dc1394video_mode_t) - 1;
dc1394video_modes_t videoModes;
dc1394_video_get_supported_modes(dcCam, &videoModes);
for (i = 0; i < (int)videoModes.num; i++)
{
dc1394video_mode_t mode = videoModes.modes[i];
if (mode >= DC1394_VIDEO_MODE_FORMAT7_MIN && mode <= DC1394_VIDEO_MODE_FORMAT7_MAX)
continue;
int pref = -1;
dc1394color_coding_t colorCoding;
dc1394_get_color_coding_from_video_mode(dcCam, mode, &colorCoding);
uint32_t width, height;
dc1394_get_image_size_from_video_mode(dcCam, mode, &width, &height);
if ((int)width == frameWidth || (int)height == frameHeight)
{
if (colorCoding == DC1394_COLOR_CODING_RGB8 ||
colorCoding == DC1394_COLOR_CODING_RAW8)
{
bestMode = mode;
break;
}
if (colorCoding == DC1394_COLOR_CODING_YUV411 ||
colorCoding == DC1394_COLOR_CODING_YUV422 ||
(colorCoding == DC1394_COLOR_CODING_YUV444 &&
pref < 1))
{
bestMode = mode;
pref = 1;
break;
}
if (colorCoding == DC1394_COLOR_CODING_MONO8)
{
bestMode = mode;
pref = 0;
}
}
}
if ((int)bestMode >= 0)
code = dc1394_video_set_mode(dcCam, bestMode);
}
if (fps > 0)
{
dc1394video_mode_t mode;
dc1394framerates_t framerates;
double minDiff = DBL_MAX;
dc1394framerate_t bestFps = (dc1394framerate_t) - 1;
dc1394_video_get_mode(dcCam, &mode);
dc1394_video_get_supported_framerates(dcCam, mode, &framerates);
for (i = 0; i < (int)framerates.num; i++)
{
dc1394framerate_t ifps = framerates.framerates[i];
double fps1 = (1 << (ifps - DC1394_FRAMERATE_1_875)) * 1.875;
double diff = fabs(fps1 - fps);
if (diff < minDiff)
{
minDiff = diff;
bestFps = ifps;
}
}
if ((int)bestFps >= 0)
code = dc1394_video_set_framerate(dcCam, bestFps);
}
if (cameraId == VIDERE)
{
bayerFilter = DC1394_COLOR_FILTER_GBRG;
nimages = 2;
uint32_t value = 0;
dc1394_get_control_register(dcCam, 0x50c, &value);
colorStereo = (value & 0x80000000) != 0;
}
code = dc1394_capture_setup(dcCam, nDMABufs, DC1394_CAPTURE_FLAGS_DEFAULT);
if (code >= 0)
{
FD_SET(dc1394_capture_get_fileno(dcCam), &dc1394.camFds);
dc1394_video_set_transmission(dcCam, DC1394_ON);
if (cameraId == VIDERE)
{
enum { PROC_MODE_OFF, PROC_MODE_NONE, PROC_MODE_TEST, PROC_MODE_RECTIFIED, PROC_MODE_DISPARITY, PROC_MODE_DISPARITY_RAW };
int procMode = PROC_MODE_RECTIFIED;
usleep(100000);
uint32_t qval1 = 0x08000000 | (0x90 << 16) | ((procMode & 0x7) << 16);
uint32_t qval2 = 0x08000000 | (0x9C << 16);
dc1394_set_control_register(dcCam, 0xFF000, qval1);
dc1394_set_control_register(dcCam, 0xFF000, qval2);
}
started = true;
}
return code >= 0;
}
bool CvCaptureCAM_DC1394_v2_CPP::open(int index)
{
bool result = false;
dc1394camera_list_t* cameraList = 0;
dc1394error_t err;
close();
if (!dc1394.dc)
goto _exit_;
err = dc1394_camera_enumerate(dc1394.dc, &cameraList);
if (err < 0 || !cameraList || (unsigned)index >= (unsigned)cameraList->num)
goto _exit_;
guid = cameraList->ids[index].guid;
dcCam = dc1394_camera_new(dc1394.dc, guid);
if (!dcCam)
goto _exit_;
cameraId = dcCam->vendor_id;
//get all features
if (dc1394_feature_get_all(dcCam,&feature_set) == DC1394_SUCCESS)
result = true;
else
result = false;
_exit_:
if (cameraList)
dc1394_camera_free_list(cameraList);
return result;
}
void CvCaptureCAM_DC1394_v2_CPP::close()
{
if (dcCam)
{
// check for fileno valid before using
int fileno=dc1394_capture_get_fileno(dcCam);
if (fileno>=0 && FD_ISSET(fileno, &dc1394.camFds))
FD_CLR(fileno, &dc1394.camFds);
dc1394_video_set_transmission(dcCam, DC1394_OFF);
dc1394_capture_stop(dcCam);
dc1394_camera_free(dcCam);
dcCam = 0;
started = false;
}
for (int i = 0; i < NIMG; i++)
{
cvReleaseImage(&img[i]);
cvReleaseImage(&maps[i][0]);
cvReleaseImage(&maps[i][1]);
}
if (frameC)
{
if (frameC->image)
free(frameC->image);
free(frameC);
frameC = 0;
}
}
bool CvCaptureCAM_DC1394_v2_CPP::grabFrame()
{
dc1394capture_policy_t policy = DC1394_CAPTURE_POLICY_WAIT;
bool code = false, isColor;
dc1394video_frame_t *dcFrame = 0, *fs = 0;
int i, nch;
if (!dcCam || (!started && !startCapture()))
return false;
dc1394_capture_dequeue(dcCam, policy, &dcFrame);
if (!dcFrame)
return false;
if (/*dcFrame->frames_behind > 1 ||*/ dc1394_capture_is_frame_corrupt(dcCam, dcFrame) == DC1394_TRUE)
{
goto _exit_;
}
isColor = dcFrame->color_coding != DC1394_COLOR_CODING_MONO8 &&
dcFrame->color_coding != DC1394_COLOR_CODING_MONO16 &&
dcFrame->color_coding != DC1394_COLOR_CODING_MONO16S;
if (nimages == 2)
{
fs = (dc1394video_frame_t*)calloc(1, sizeof(*fs));
//dc1394_deinterlace_stereo_frames(dcFrame, fs, DC1394_STEREO_METHOD_INTERLACED);
dc1394_deinterlace_stereo_frames_fixed(dcFrame, fs, DC1394_STEREO_METHOD_INTERLACED);
dc1394_capture_enqueue(dcCam, dcFrame); // release the captured frame as soon as possible
dcFrame = 0;
if (!fs->image)
goto _exit_;
isColor = colorStereo;
}
nch = isColor ? 3 : 1;
for (i = 0; i < nimages; i++)
{
IplImage fhdr;
dc1394video_frame_t f = fs ? *fs : *dcFrame, *fc = &f;
f.size[1] /= nimages;
f.image += f.size[0] * f.size[1] * i; // TODO: make it more universal
if (isColor)
{
if (!frameC)
frameC = (dc1394video_frame_t*)calloc(1, sizeof(*frameC));
frameC->color_coding = nch == 3 ? DC1394_COLOR_CODING_RGB8 : DC1394_COLOR_CODING_MONO8;
if (nimages == 1)
{
dc1394_convert_frames(&f, frameC);
dc1394_capture_enqueue(dcCam, dcFrame);
dcFrame = 0;
}
else
{
f.color_filter = bayerFilter;
dc1394_debayer_frames(&f, frameC, bayer);
}
fc = frameC;
}
if (!img[i])
img[i] = cvCreateImage(cvSize(fc->size[0], fc->size[1]), 8, nch);
cvInitImageHeader(&fhdr, cvSize(fc->size[0], fc->size[1]), 8, nch);
cvSetData(&fhdr, fc->image, fc->size[0]*nch);
// Swap R&B channels:
if (nch==3)
cvConvertImage(&fhdr,&fhdr,CV_CVTIMG_SWAP_RB);
if( rectify && cameraId == VIDERE && nimages == 2 )
{
if( !maps[0][0] || maps[0][0]->width != img[i]->width || maps[0][0]->height != img[i]->height )
{
CvSize size = cvGetSize(img[i]);
cvReleaseImage(&maps[0][0]);
cvReleaseImage(&maps[0][1]);
cvReleaseImage(&maps[1][0]);
cvReleaseImage(&maps[1][1]);
maps[0][0] = cvCreateImage(size, IPL_DEPTH_16S, 2);
maps[0][1] = cvCreateImage(size, IPL_DEPTH_16S, 1);
maps[1][0] = cvCreateImage(size, IPL_DEPTH_16S, 2);
maps[1][1] = cvCreateImage(size, IPL_DEPTH_16S, 1);
char buf[4*4096];
if( getVidereCalibrationInfo( buf, (int)sizeof(buf) ) &&
initVidereRectifyMaps( buf, maps[0], maps[1] ))
;
else
rectify = false;
}
cvRemap(&fhdr, img[i], maps[i][0], maps[i][1]);
}
else
cvCopy(&fhdr, img[i]);
}
code = true;
_exit_:
if (dcFrame)
dc1394_capture_enqueue(dcCam, dcFrame);
if (fs)
{
if (fs->image)
free(fs->image);
free(fs);
}
return code;
}
IplImage* CvCaptureCAM_DC1394_v2_CPP::retrieveFrame(int idx)
{
return 0 <= idx && idx < nimages ? img[idx] : 0;
}
double CvCaptureCAM_DC1394_v2_CPP::getProperty(int propId) const
{
// Simulate mutable (C++11-like) member variable
dc1394featureset_t& fs = const_cast<dc1394featureset_t&>(feature_set);
switch (propId)
{
case CV_CAP_PROP_FRAME_WIDTH:
return frameWidth ? frameWidth : frameHeight*4 / 3;
case CV_CAP_PROP_FRAME_HEIGHT:
return frameHeight ? frameHeight : frameWidth*3 / 4;
case CV_CAP_PROP_FPS:
return fps;
case CV_CAP_PROP_RECTIFICATION:
return rectify ? 1 : 0;
case CV_CAP_PROP_WHITE_BALANCE_BLUE_U:
if (dc1394_feature_whitebalance_get_value(dcCam,
&fs.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].BU_value,
&fs.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].RV_value) == DC1394_SUCCESS)
return feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].BU_value;
break;
case CV_CAP_PROP_WHITE_BALANCE_RED_V:
if (dc1394_feature_whitebalance_get_value(dcCam,
&fs.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].BU_value,
&fs.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].RV_value) == DC1394_SUCCESS)
return feature_set.feature[DC1394_FEATURE_WHITE_BALANCE-DC1394_FEATURE_MIN].RV_value;
break;
case CV_CAP_PROP_GUID:
//the least 32 bits are enough to identify the camera
return (double) (guid & 0x00000000FFFFFFFF);
break;
case CV_CAP_PROP_MODE:
return (double) userMode;
break;
case CV_CAP_PROP_ISO_SPEED:
return (double) isoSpeed;
case CV_CAP_PROP_BUFFERSIZE:
return (double) nDMABufs;
default:
if (propId<CV_CAP_PROP_MAX_DC1394 && dc1394properties[propId]!=-1
&& dcCam)
//&& feature_set.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].on_off_capable)
if (dc1394_feature_get_value(dcCam,(dc1394feature_t)dc1394properties[propId],
&fs.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].value) == DC1394_SUCCESS)
return feature_set.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].value;
}
return -1; // the value of the feature can be 0, so returning 0 as an error is wrong
}
bool CvCaptureCAM_DC1394_v2_CPP::setProperty(int propId, double value)
{
switch (propId)
{
case CV_CAP_PROP_FRAME_WIDTH:
if(started)
return false;
frameWidth = cvRound(value);
frameHeight = 0;
break;
case CV_CAP_PROP_FRAME_HEIGHT:
if(started)
return false;
frameWidth = 0;
frameHeight = cvRound(value);
break;
case CV_CAP_PROP_FPS:
if(started)
return false;
fps = value;
break;
case CV_CAP_PROP_RECTIFICATION:
if( cameraId != VIDERE )
return false;
rectify = fabs(value) > FLT_EPSILON;
break;
case CV_CAP_PROP_MODE:
if(started)
return false;
userMode = cvRound(value);
break;
case CV_CAP_PROP_ISO_SPEED:
if(started)
return false;
isoSpeed = cvRound(value);
break;
case CV_CAP_PROP_BUFFERSIZE:
if(started)
return false;
nDMABufs = value;
break;
//The code below is based on coriander, callbacks.c:795, refer to case RANGE_MENU_MAN :
default:
if (propId<CV_CAP_PROP_MAX_DC1394 && dc1394properties[propId]!=-1
&& dcCam)
{
//get the corresponding feature from property-id
dc1394feature_info_t *act_feature = &feature_set.feature[dc1394properties[propId]-DC1394_FEATURE_MIN];
if (cvRound(value) == CV_CAP_PROP_DC1394_OFF)
{
if ( (act_feature->on_off_capable)
&& (dc1394_feature_set_power(dcCam, act_feature->id, DC1394_OFF) == DC1394_SUCCESS))
{
act_feature->is_on=DC1394_OFF;
return true;
}
return false;
}
//try to turn the feature ON, feature can be ON and at the same time it can be not capable to change state to OFF
if ( (act_feature->is_on == DC1394_OFF) && (act_feature->on_off_capable == DC1394_TRUE))
{
if (dc1394_feature_set_power(dcCam, act_feature->id, DC1394_ON) == DC1394_SUCCESS)
feature_set.feature[dc1394properties[propId]-DC1394_FEATURE_MIN].is_on=DC1394_ON;
}
//turn off absolute mode - the actual value will be stored in the value field,
//otherwise it would be stored into CSR (control and status register) absolute value
if (act_feature->absolute_capable
&& dc1394_feature_set_absolute_control(dcCam, act_feature->id, DC1394_OFF) !=DC1394_SUCCESS)
return false;
else
act_feature->abs_control=DC1394_OFF;
//set AUTO
if (cvRound(value) == CV_CAP_PROP_DC1394_MODE_AUTO)
{
if (dc1394_feature_set_mode(dcCam, act_feature->id, DC1394_FEATURE_MODE_AUTO)!=DC1394_SUCCESS)
return false;
act_feature->current_mode=DC1394_FEATURE_MODE_AUTO;
return true;
}
//set ONE PUSH
if (cvRound(value) == CV_CAP_PROP_DC1394_MODE_ONE_PUSH_AUTO)
{
//have to set to manual first, otherwise one push will be ignored (AVT manual 4.3.0 p. 115)
if (dc1394_feature_set_mode(dcCam, act_feature->id, DC1394_FEATURE_MODE_ONE_PUSH_AUTO)!=DC1394_SUCCESS)
return false;
//will change to
act_feature->current_mode=DC1394_FEATURE_MODE_ONE_PUSH_AUTO;
return true;
}
//set the feature to MANUAL mode,
if (dc1394_feature_set_mode(dcCam, act_feature->id, DC1394_FEATURE_MODE_MANUAL)!=DC1394_SUCCESS)
return false;
else
act_feature->current_mode=DC1394_FEATURE_MODE_MANUAL;
// if property is one of the white balance features treat it in different way
if (propId == CV_CAP_PROP_WHITE_BALANCE_BLUE_U)
{
if (dc1394_feature_whitebalance_set_value(dcCam,cvRound(value), act_feature->RV_value)!=DC1394_SUCCESS)
return false;
else
{
act_feature->BU_value = cvRound(value);
return true;
}
}
if (propId == CV_CAP_PROP_WHITE_BALANCE_RED_V)
{
if (dc1394_feature_whitebalance_set_value(dcCam, act_feature->BU_value, cvRound(value))!=DC1394_SUCCESS)
return false;
else
{
act_feature->RV_value = cvRound(value);
return true;
}
}
//first: check boundaries
if (value < act_feature->min)
{
value = act_feature->min;
}
else if (value > act_feature->max)
{
value = act_feature->max;
}
if (dc1394_feature_set_value(dcCam, act_feature->id, cvRound(value)) == DC1394_SUCCESS)
{
act_feature->value = value;
return true;
}
}
return false;
}
return true;
}
bool CvCaptureCAM_DC1394_v2_CPP::getVidereCalibrationInfo( char* buf, int bufSize )
{
int pos;
for( pos = 0; pos < bufSize - 4; pos += 4 )
{
uint32_t quad = getControlRegister(dcCam, 0xF0800 + pos);
if( quad == 0 || quad == 0xffffffff )
break;
buf[pos] = (uchar)(quad >> 24);
buf[pos+1] = (uchar)(quad >> 16);
buf[pos+2] = (uchar)(quad >> 8);
buf[pos+3] = (uchar)(quad);
}
if( pos == 0 )
return false;
buf[pos] = '\0';
return true;
}
bool CvCaptureCAM_DC1394_v2_CPP::initVidereRectifyMaps( const char* info,
IplImage* ml[2], IplImage* mr[2] )
{
float identity_data[] = {1, 0, 0, 0, 1, 0, 0, 0, 1};
CvMat l_rect = cvMat(3, 3, CV_32F, identity_data), r_rect = l_rect;
float l_intrinsic_data[] = {1, 0, 0, 0, 1, 0, 0, 0, 1};
float r_intrinsic_data[] = {1, 0, 0, 0, 1, 0, 0, 0, 1};
CvMat l_intrinsic = cvMat(3, 3, CV_32F, l_intrinsic_data);
CvMat r_intrinsic = cvMat(3, 3, CV_32F, r_intrinsic_data);
float l_distortion_data[] = {0,0,0,0,0}, r_distortion_data[] = {0,0,0,0,0};
CvMat l_distortion = cvMat(1, 5, CV_32F, l_distortion_data);
CvMat r_distortion = cvMat(1, 5, CV_32F, r_distortion_data);
IplImage* mx = cvCreateImage(cvGetSize(ml[0]), IPL_DEPTH_32F, 1);
IplImage* my = cvCreateImage(cvGetSize(ml[0]), IPL_DEPTH_32F, 1);
int k, j;
for( k = 0; k < 2; k++ )
{
const char* section_name = k == 0 ? "[left_camera]" : "[right_camera]";
static const char* param_names[] = { "f ", "fy", "Cx", "Cy" "kappa1", "kappa2", "tau1", "tau2", "kappa3", 0 };
const char* section_start = strstr( info, section_name );
CvMat* intrinsic = k == 0 ? &l_intrinsic : &r_intrinsic;
CvMat* distortion = k == 0 ? &l_distortion : &r_distortion;
CvMat* rectification = k == 0 ? &l_rect : &r_rect;
IplImage** dst = k == 0 ? ml : mr;
if( !section_start )
break;
section_start += strlen(section_name);
for( j = 0; param_names[j] != 0; j++ )
{
const char* param_value_start = strstr(section_start, param_names[j]);
float val=0;
if(!param_value_start)
break;
sscanf(param_value_start + strlen(param_names[j]), "%f", &val);
if( j < 4 )
intrinsic->data.fl[j == 0 ? 0 : j == 1 ? 4 : j == 2 ? 2 : 5] = val;
else
distortion->data.fl[j - 4] = val;
}
if( param_names[j] != 0 )
break;
// some sanity check for the principal point
if( fabs(mx->width*0.5 - intrinsic->data.fl[2]) > mx->width*0.1 ||
fabs(my->height*0.5 - intrinsic->data.fl[5]) > my->height*0.1 )
{
cvScale( &intrinsic, &intrinsic, 0.5 ); // try the corrected intrinsic matrix for 2x lower resolution
if( fabs(mx->width*0.5 - intrinsic->data.fl[2]) > mx->width*0.05 ||
fabs(my->height*0.5 - intrinsic->data.fl[5]) > my->height*0.05 )
cvScale( &intrinsic, &intrinsic, 2 ); // revert it back if the new variant is not much better
intrinsic->data.fl[8] = 1;
}
cvInitUndistortRectifyMap( intrinsic, distortion,
rectification, intrinsic, mx, my );
cvConvertMaps( mx, my, dst[0], dst[1] );
}
cvReleaseImage( &mx );
cvReleaseImage( &my );
return k >= 2;
}
CvCapture* cvCreateCameraCapture_DC1394_2(int index)
{
CvCaptureCAM_DC1394_v2_CPP* capture = new CvCaptureCAM_DC1394_v2_CPP;
if (capture->open(index))
return capture;
delete capture;
return 0;
}
#endif