int _setVideoMode(int mode, long *sizex, long *sizey){ if(camera==NULL) { dc1394_log_error("Camera is not initialised"); return -1; } switch(mode) { case 0 : video_mode=DC1394_VIDEO_MODE_FORMAT7_0;break; case 1 : video_mode=DC1394_VIDEO_MODE_FORMAT7_1;break; case 2 : video_mode=DC1394_VIDEO_MODE_FORMAT7_2;break; case 3 : video_mode=DC1394_VIDEO_MODE_FORMAT7_3;break; default : ; } unsigned int h_size = 160; unsigned int v_size = 120; err = dc1394_format7_get_max_image_size(camera, video_mode, &h_size, &v_size); DC1394_ERR_CLN_RTN(err,_unsetupCam(),"Could not get max image size of Format7 mode"); *sizex = h_size; *sizey = v_size; err = dc1394_video_set_mode(camera, video_mode); DC1394_ERR_CLN_RTN(err,_unsetupCam(),"Could not set Format7 mode"); err = dc1394_format7_set_roi(camera, video_mode, DC1394_COLOR_CODING_MONO16, DC1394_USE_MAX_AVAIL, // use max packet size 0, 0, // left, top h_size, v_size); // width, height DC1394_ERR_RTN(err,"Unable to set Format7 mode 0.\nEdit the example file manually to fit your camera capabilities"); return 0; }
Format7VideoMode::Format7VideoMode(dc1394camera_t* libdc1394camera, dc1394video_mode_t libdc1394mode, dc1394color_coding_t libdc1394coding) : VideoMode(libdc1394mode) { uint32_t width, height; dc1394error_t err; err = dc1394_format7_get_max_image_size(libdc1394camera, libdc1394mode, &width, &height); if (err != DC1394_SUCCESS) throw Error(err, "Cannot get maximum image size for format 7 video mode"); SetImageSize(width, height); SetLibDC1394Coding(libdc1394coding); }
int main(int argc, char *argv[]) { fitsfile *fptr; long fpixel=1, nelements, naxes[3]; dc1394camera_t *camera; int grab_n_frames; struct timeval start_time, end_time; time_t start_sec, end_sec; suseconds_t start_usec, end_usec; float elapsed_time, fps; int i, status; unsigned int min_bytes, max_bytes, max_height, max_width; unsigned int actual_bytes; uint64_t total_bytes = 0; unsigned int width, height; dc1394video_frame_t *frame=NULL; dc1394_t * d; dc1394camera_list_t * list; dc1394error_t err; char *filename; grab_n_frames = atoi(argv[1]); filename = argv[2]; width = 320; height = 240; naxes[0] = width; naxes[1] = height; naxes[2] = grab_n_frames; nelements = naxes[0]*naxes[1]*naxes[2]; stderr = freopen("grab_cube.log", "w", stderr); d = dc1394_new (); if (!d) return 1; err=dc1394_camera_enumerate (d, &list); DC1394_ERR_RTN(err,"Failed to enumerate cameras"); if (list->num == 0) { dc1394_log_error("No cameras found"); return 1; } camera = dc1394_camera_new (d, list->ids[0].guid); if (!camera) { dc1394_log_error("Failed to initialize camera with guid %"PRIx64, list->ids[0].guid); return 1; } dc1394_camera_free_list (list); printf("Using camera with GUID %"PRIx64"\n", camera->guid); /*----------------------------------------------------------------------- * setup capture for format 7 *-----------------------------------------------------------------------*/ // err=dc1394_video_set_operation_mode(camera, DC1394_OPERATION_MODE_1394B); // DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot operate at 1394B"); // libdc1394 doesn't work well with firewire800 yet so set to legacy 400 mode dc1394_video_set_iso_speed(camera, DC1394_ISO_SPEED_400); // configure camera for format7 err = dc1394_video_set_mode(camera, DC1394_VIDEO_MODE_FORMAT7_1); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot choose format7_0"); printf ("I: video mode is format7_0\n"); err = dc1394_format7_get_max_image_size (camera, DC1394_VIDEO_MODE_FORMAT7_1, &max_width, &max_height); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot get max image size for format7_0"); printf ("I: max image size is: height = %d, width = %d\n", max_height, max_width); printf ("I: current image size is: height = %d, width = %d\n", height, width); err = dc1394_format7_set_roi (camera, DC1394_VIDEO_MODE_FORMAT7_1, DC1394_COLOR_CODING_MONO16, // not sure why RAW8/16 don't work DC1394_USE_MAX_AVAIL, 0, 0, // left, top width, height); // width, height DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set roi"); printf ("I: roi is (0, 0) - (%d, %d)\n", width, height); // set the frame rate to absolute value in frames/sec err = dc1394_feature_set_mode(camera, DC1394_FEATURE_FRAME_RATE, DC1394_FEATURE_MODE_MANUAL); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set framerate to manual"); err = dc1394_feature_set_absolute_control(camera, DC1394_FEATURE_FRAME_RATE, DC1394_TRUE); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set framerate to absolute mode"); err = dc1394_feature_set_absolute_value(camera, DC1394_FEATURE_FRAME_RATE, 330.0); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set framerate"); printf("I: framerate is %f fps\n", 330.0); // set the shutter speed to absolute value in seconds err = dc1394_feature_set_mode(camera, DC1394_FEATURE_SHUTTER, DC1394_FEATURE_MODE_MANUAL); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set shutter to manual"); err = dc1394_feature_set_absolute_control(camera, DC1394_FEATURE_SHUTTER, DC1394_TRUE); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set shutter to absolute mode"); err = dc1394_feature_set_absolute_value(camera, DC1394_FEATURE_SHUTTER, 3.0e-3); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set shutter"); printf("I: exptime is %f s\n", 3.0e-3); // set gain manually. use relative value here in range 48 to 730. err = dc1394_feature_set_mode(camera, DC1394_FEATURE_GAIN, DC1394_FEATURE_MODE_MANUAL); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set gain to manual"); err = dc1394_feature_set_value(camera, DC1394_FEATURE_GAIN, 400); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set gain"); printf ("I: gain is %d\n", 400); // set brightness manually. use relative value in range 0 to 1023. err = dc1394_feature_set_mode(camera, DC1394_FEATURE_BRIGHTNESS, DC1394_FEATURE_MODE_MANUAL); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set brightness to manual"); err = dc1394_feature_set_value(camera, DC1394_FEATURE_BRIGHTNESS, 100); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set brightness"); printf ("I: brightness is %d\n", 100); err = dc1394_format7_get_total_bytes (camera, DC1394_VIDEO_MODE_FORMAT7_1, &total_bytes); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot get total bytes"); printf ("I: total bytes is %"PRIu64" before SFF enabled\n", total_bytes); err=dc1394_capture_setup(camera, 16, DC1394_CAPTURE_FLAGS_DEFAULT); DC1394_ERR_CLN_RTN(err, dc1394_camera_free(camera), "Error capturing"); /*----------------------------------------------------------------------- * print allowed and used packet size *-----------------------------------------------------------------------*/ err=dc1394_format7_get_packet_parameters(camera, DC1394_VIDEO_MODE_FORMAT7_1, &min_bytes, &max_bytes); DC1394_ERR_RTN(err,"Packet para inq error"); printf( "camera reports allowed packet size from %d - %d bytes\n", min_bytes, max_bytes); err=dc1394_format7_get_packet_size(camera, DC1394_VIDEO_MODE_FORMAT7_1, &actual_bytes); DC1394_ERR_RTN(err,"dc1394_format7_get_packet_size error"); printf( "camera reports actual packet size = %d bytes\n", actual_bytes); err=dc1394_format7_get_total_bytes(camera, DC1394_VIDEO_MODE_FORMAT7_1, &total_bytes); DC1394_ERR_RTN(err,"dc1394_query_format7_total_bytes error"); printf( "camera reports total bytes per frame = %"PRId64" bytes\n", total_bytes); /*----------------------------------------------------------------------- * have the camera start sending us data *-----------------------------------------------------------------------*/ err=dc1394_video_set_transmission(camera,DC1394_ON); if (err!=DC1394_SUCCESS) { dc1394_log_error("unable to start camera iso transmission"); dc1394_capture_stop(camera); dc1394_camera_free(camera); exit(1); } // set up FITS image and capture fits_create_file(&fptr, filename, &status); dc1394_get_image_size_from_video_mode(camera, DC1394_VIDEO_MODE_FORMAT7_1, &width, &height); fits_create_img(fptr, USHORT_IMG, 3, naxes, &status); /*----------------------------------------------------------------------- * capture frames and measure the time for this operation *-----------------------------------------------------------------------*/ gettimeofday(&start_time, NULL); printf("Start capture:\n"); for( i = 0; i < grab_n_frames; ++i) { /*----------------------------------------------------------------------- * capture one frame *-----------------------------------------------------------------------*/ err=dc1394_capture_dequeue(camera, DC1394_CAPTURE_POLICY_WAIT, &frame); if (err!=DC1394_SUCCESS) { dc1394_log_error("unable to capture"); dc1394_capture_stop(camera); dc1394_camera_free(camera); exit(1); } // attempt to preallocate image array and write to memory before dumping to disk. // turns out to be slow due to large size of images. cfitsio buffering is far // more efficient. //memcpy(im_buffer+2*i*naxes[0]*naxes[1], //frame->image-1, //naxes[0]*naxes[1]*sizeof(short)); // just writing each frame to the FITS file goes pretty fast fits_write_img(fptr, TUSHORT, fpixel+i*naxes[0]*naxes[1], naxes[0]*naxes[1], frame->image-1, &status); // release buffer dc1394_capture_enqueue(camera,frame); } gettimeofday(&end_time, NULL); printf("End capture.\n"); /*----------------------------------------------------------------------- * stop data transmission *-----------------------------------------------------------------------*/ start_sec = start_time.tv_sec; start_usec = start_time.tv_usec; end_sec = end_time.tv_sec; end_usec = end_time.tv_usec; elapsed_time = (float)((end_sec + 1.0e-6*end_usec) - (start_sec + 1.0e-6*start_usec)); fps = grab_n_frames/elapsed_time; printf("Elapsed time = %g seconds.\n", elapsed_time); printf("Framerate = %g fps.\n", fps); err=dc1394_video_set_transmission(camera,DC1394_OFF); DC1394_ERR_RTN(err,"couldn't stop the camera?"); /*----------------------------------------------------------------------- * save FITS image to disk *-----------------------------------------------------------------------*/ //fits_write_img(fptr, TUSHORT, fpixel, naxes[0]*naxes[1]*naxes[2], im_buffer, &status); fits_close_file(fptr, &status); fits_report_error(stderr, status); //free(im_buffer); printf("wrote: %s\n", filename); printf("Image is %d bits/pixel.\n", frame->data_depth); /*----------------------------------------------------------------------- * close camera, cleanup *-----------------------------------------------------------------------*/ dc1394_capture_stop(camera); dc1394_video_set_transmission(camera, DC1394_OFF); dc1394_camera_free(camera); dc1394_free (d); return 0; }
int main(int argc, char *argv[]) { fitsfile *fptr; long fpixel=1, nelements, naxes[2]; dc1394camera_t *camera; int grab_n_frames; struct timeval start_time, end_time; int i, j, status; unsigned int max_height, max_width; uint64_t total_bytes = 0; unsigned int width, height; dc1394video_frame_t *frame=NULL; dc1394_t * d; dc1394camera_list_t * list; dc1394error_t err; char *filename; unsigned char *buffer; float *average; grab_n_frames = atoi(argv[1]); filename = argv[2]; status = 0; width = 320; height = 240; naxes[0] = width; naxes[1] = height; nelements = naxes[0]*naxes[1]; stderr = freopen("grab_cube.log", "w", stderr); d = dc1394_new(); if (!d) return 1; err = dc1394_camera_enumerate(d, &list); DC1394_ERR_RTN(err, "Failed to enumerate cameras."); if (list->num == 0) { dc1394_log_error("No cameras found."); return 1; } camera = dc1394_camera_new (d, list->ids[0].guid); if (!camera) { dc1394_log_error("Failed to initialize camera with guid %"PRIx64, list->ids[0].guid); return 1; } dc1394_camera_free_list(list); printf("Using camera with GUID %"PRIx64"\n", camera->guid); /*----------------------------------------------------------------------- * setup capture for format 7 *-----------------------------------------------------------------------*/ // err=dc1394_video_set_operation_mode(camera, DC1394_OPERATION_MODE_1394B); // DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot operate at 1394B"); // libdc1394 doesn't work well with firewire800 yet so set to legacy 400 mode dc1394_video_set_iso_speed(camera, DC1394_ISO_SPEED_400); // configure camera for format7 err = dc1394_video_set_mode(camera, DC1394_VIDEO_MODE_FORMAT7_1); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot choose format7_0"); err = dc1394_format7_get_max_image_size (camera, DC1394_VIDEO_MODE_FORMAT7_1, &max_width, &max_height); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot get max image size for format7_0"); err = dc1394_format7_set_roi (camera, DC1394_VIDEO_MODE_FORMAT7_1, DC1394_COLOR_CODING_MONO8, // not sure why RAW8/16 don't work DC1394_USE_MAX_AVAIL, 0, 0, // left, top width, height); // width, height DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set roi"); // set the frame rate to absolute value in frames/sec err = dc1394_feature_set_mode(camera, DC1394_FEATURE_FRAME_RATE, DC1394_FEATURE_MODE_MANUAL); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set framerate to manual"); err = dc1394_feature_set_absolute_control(camera, DC1394_FEATURE_FRAME_RATE, DC1394_TRUE); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set framerate to absolute mode"); err = dc1394_feature_set_absolute_value(camera, DC1394_FEATURE_FRAME_RATE, 100.0); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set framerate"); // set the shutter speed to absolute value in seconds err = dc1394_feature_set_mode(camera, DC1394_FEATURE_SHUTTER, DC1394_FEATURE_MODE_MANUAL); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set shutter to manual"); err = dc1394_feature_set_absolute_control(camera, DC1394_FEATURE_SHUTTER, DC1394_TRUE); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set shutter to absolute mode"); err = dc1394_feature_set_absolute_value(camera, DC1394_FEATURE_SHUTTER, 1.0e-2); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set shutter"); // set gain manually. use relative value here in range 48 to 730. err = dc1394_feature_set_mode(camera, DC1394_FEATURE_GAIN, DC1394_FEATURE_MODE_MANUAL); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set gain to manual"); err = dc1394_feature_set_value(camera, DC1394_FEATURE_GAIN, 200); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set gain"); // set brightness manually. use relative value in range 0 to 1023. err = dc1394_feature_set_mode(camera, DC1394_FEATURE_BRIGHTNESS, DC1394_FEATURE_MODE_MANUAL); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set brightness to manual"); err = dc1394_feature_set_value(camera, DC1394_FEATURE_BRIGHTNESS, 50); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot set brightness"); err = dc1394_format7_get_total_bytes (camera, DC1394_VIDEO_MODE_FORMAT7_1, &total_bytes); DC1394_ERR_CLN_RTN(err,dc1394_camera_free (camera),"cannot get total bytes"); // err = dc1394_feature_set_value (camera, DC1394_FEATURE_GAIN, 24); //DC1394_ERR_CLN_RTN(err, dc1394_camera_free(camera), "Error setting gain"); err = dc1394_capture_setup(camera, 16, DC1394_CAPTURE_FLAGS_DEFAULT); DC1394_ERR_CLN_RTN(err, dc1394_camera_free(camera), "Error capturing"); /*----------------------------------------------------------------------- * have the camera start sending us data *-----------------------------------------------------------------------*/ err = dc1394_video_set_transmission(camera, DC1394_ON); if (err != DC1394_SUCCESS) { dc1394_log_error("unable to start camera iso transmission"); dc1394_capture_stop(camera); dc1394_camera_free(camera); exit(1); } /* allocate the buffers */ if (!(buffer = malloc(nelements*sizeof(char)))) { printf("Couldn't Allocate Image Buffer\n"); exit(-1); } if (!(average = calloc(nelements, sizeof(float)))) { printf("Couldn't Allocate Average Image Buffer\n"); exit(-1); } // set up FITS image and capture fits_create_file(&fptr, filename, &status); dc1394_get_image_size_from_video_mode(camera, DC1394_VIDEO_MODE_FORMAT7_1, &width, &height); fits_create_img(fptr, FLOAT_IMG, 2, naxes, &status); /*----------------------------------------------------------------------- * capture frames and measure the time for this operation *-----------------------------------------------------------------------*/ gettimeofday(&start_time, NULL); printf("Start capture:\n"); for (i=0; i<grab_n_frames; ++i) { /*----------------------------------------------------------------------- * capture one frame *-----------------------------------------------------------------------*/ err = dc1394_capture_dequeue(camera, DC1394_CAPTURE_POLICY_WAIT, &frame); if (err != DC1394_SUCCESS) { dc1394_log_error("unable to capture"); dc1394_capture_stop(camera); dc1394_camera_free(camera); exit(1); } memcpy(buffer, frame->image, nelements*sizeof(char)); // release buffer dc1394_capture_enqueue(camera,frame); for (j=0; j<nelements; j++) { average[j] += (1.0/grab_n_frames)*(buffer[j]); } } gettimeofday(&end_time, NULL); printf("End capture.\n"); /*----------------------------------------------------------------------- * stop data transmission *-----------------------------------------------------------------------*/ err = dc1394_video_set_transmission(camera, DC1394_OFF); DC1394_ERR_RTN(err,"couldn't stop the camera?"); /*----------------------------------------------------------------------- * save FITS image to disk *-----------------------------------------------------------------------*/ fits_write_img(fptr, TFLOAT, fpixel, naxes[0]*naxes[1], average, &status); fits_close_file(fptr, &status); fits_report_error(stderr, status); free(buffer); free(average); printf("wrote: %s\n", filename); printf("Readout is %d bits/pixel.\n", frame->data_depth); /*----------------------------------------------------------------------- * close camera, cleanup *-----------------------------------------------------------------------*/ dc1394_capture_stop(camera); dc1394_video_set_transmission(camera, DC1394_OFF); dc1394_camera_free(camera); dc1394_free(d); return 0; }
GstCaps * gst_dc1394_get_cam_caps (GstDc1394 * src) { dc1394camera_t *camera = NULL; dc1394camera_list_t *cameras = NULL; dc1394error_t camerr; gint i, j; dc1394video_modes_t modes; dc1394framerates_t framerates; GstCaps *gcaps = NULL; gcaps = gst_caps_new_empty (); camerr = dc1394_camera_enumerate (src->dc1394, &cameras); if (camerr != DC1394_SUCCESS || cameras == NULL) { GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, ("Can't find cameras error : %d", camerr), ("Can't find cameras error : %d", camerr)); goto error; } if (cameras->num == 0) { GST_ELEMENT_ERROR (src, RESOURCE, NOT_FOUND, ("There were no cameras"), ("There were no cameras")); goto error; } if (src->camnum > (cameras->num - 1)) { GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Invalid camera number"), ("Invalid camera number %d", src->camnum)); goto error; } camera = dc1394_camera_new_unit (src->dc1394, cameras->ids[src->camnum].guid, cameras->ids[src->camnum].unit); dc1394_camera_free_list (cameras); cameras = NULL; camerr = dc1394_video_get_supported_modes (camera, &modes); if (camerr != DC1394_SUCCESS) { GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Error getting supported modes"), ("Error getting supported modes")); goto error; } for (i = modes.num - 1; i >= 0; i--) { int m = modes.modes[i]; if (m < DC1394_VIDEO_MODE_EXIF) { GstStructure *gs = gst_structure_empty_new ("video"); gst_structure_set (gs, "vmode", G_TYPE_INT, m, NULL); if (gst_dc1394_caps_set_format_vmode_caps (gs, m) < 0) { GST_ELEMENT_ERROR (src, STREAM, FAILED, ("attempt to set mode to %d failed", m), ("attempt to set mode to %d failed", m)); goto error; } else { camerr = dc1394_video_get_supported_framerates (camera, m, &framerates); gst_dc1394_caps_set_framerate_list (gs, &framerates); gst_caps_append_structure (gcaps, gs); } } else { // FORMAT 7 guint maxx, maxy; GstStructure *gs = gst_structure_empty_new ("video"); dc1394color_codings_t colormodes; guint xunit, yunit; gst_structure_set (gs, "vmode", G_TYPE_INT, m, NULL); // Get the maximum frame size camerr = dc1394_format7_get_max_image_size (camera, m, &maxx, &maxy); if (camerr != DC1394_SUCCESS) { GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Error getting format 7 max image size"), ("Error getting format 7 max image size")); goto error; } GST_LOG_OBJECT (src, "Format 7 maxx=%d maxy=%d", maxx, maxy); camerr = dc1394_format7_get_unit_size (camera, m, &xunit, &yunit); if (camerr != DC1394_SUCCESS) { GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Error getting format 7 image unit size"), ("Error getting format 7 image unit size")); goto error; } GST_LOG_OBJECT (src, "Format 7 unitx=%d unity=%d", xunit, yunit); gst_dc1394_set_caps_framesize_range (gs, xunit, maxx, xunit, yunit, maxy, yunit); // note that format 7 has no concept of a framerate, so we pass the // full range gst_structure_set (gs, "framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL); // get the available color codings camerr = dc1394_format7_get_color_codings (camera, m, &colormodes); if (camerr != DC1394_SUCCESS) { GST_ELEMENT_ERROR (src, RESOURCE, FAILED, ("Error getting format 7 color modes"), ("Error getting format 7 color modes")); goto error; } for (j = 0; j < colormodes.num; j++) { GstStructure *newgs = gst_structure_copy (gs); gst_dc1394_set_caps_color (newgs, colormodes.codings[j]); GST_LOG_OBJECT (src, "Format 7 colormode set : %d", colormodes.codings[j]); // note that since there are multiple color modes, we append // multiple structures. gst_caps_append_structure (gcaps, newgs); } } } if (camera) { dc1394_camera_free (camera); } return gcaps; error: if (gcaps) { gst_caps_unref (gcaps); } if (cameras) { dc1394_camera_free_list (cameras); cameras = NULL; } if (camera) { dc1394_camera_free (camera); camera = NULL; } return NULL; }
int main(int argc, char *argv[]) { FILE* imagefile; dc1394camera_t *camera; unsigned int width, height; dc1394video_frame_t *frame=NULL; //dc1394featureset_t features; dc1394_t * d; dc1394camera_list_t * list; dc1394error_t err; int i,j; d = dc1394_new (); if (!d) return 1; err=dc1394_camera_enumerate (d, &list); DC1394_ERR_RTN(err,"Failed to enumerate cameras"); if (list->num == 0) { dc1394_log_error("No cameras found"); return 1; } printf("Total cameras found %d\n",list->num); camera = dc1394_camera_new (d, list->ids[0].guid); if (!camera) { dc1394_log_error("Failed to initialize camera with guid %llx", list->ids[0].guid); return 1; } dc1394_camera_free_list (list); printf("Using camera with GUID %"PRIx64"\n", camera->guid); dc1394video_modes_t video_modes; err=dc1394_video_get_supported_modes(camera,&video_modes); DC1394_ERR_RTN(err,"Failed get camera modes"); printf("Video Modes:\n"); for( i = 0; i < video_modes.num; i++ ) { printVideoMode(video_modes.modes[i]); if( video_modes.modes[i] < DC1394_VIDEO_MODE_FORMAT7_0 ) { dc1394framerates_t rates; err=dc1394_video_get_supported_framerates(camera,video_modes.modes[i],&rates); DC1394_ERR_RTN(err,"Failed get mode frame rates"); for( j = 0; j < rates.num; j++ ) { printFrameRates(rates.framerates[j]); } } else { dc1394color_codings_t codings; err=dc1394_format7_get_color_codings(camera,video_modes.modes[i],&codings); DC1394_ERR_RTN(err,"Failed get format7 color codings"); for( j = 0; j < codings.num; j++ ) { printColorCodings(codings.codings[j]); } uint32_t width,height; err=dc1394_format7_get_max_image_size(camera,video_modes.modes[i],&width,&height); DC1394_ERR_RTN(err,"Failed get format7 max size"); printf(" Max dimension = %d %d\n",width,height); } } dc1394_camera_free(camera); dc1394_free (d); return 0; }