bool CCamera::Init(int width, int height, int framerate, int num_levels, bool do_argb_conversion)
{
//init broadcom host - QUESTION: can this be called more than once??
bcm_host_init();
//store basic parameters
Width = width;
Height = height;
FrameRate = framerate;
// Set up the camera_parameters to default
raspicamcontrol_set_defaults(&CameraParameters);
// Change default parameter, i.e .rotate image
int rotation = 90;
int my_rotation = ((rotation % 360 ) / 90) * 90;
CameraParameters.rotation = my_rotation;
//ret = mmal_port_parameter_set_int32(camera->output[0], MMAL_PARAMETER_ROTATION, my_rotation);
//mmal_port_parameter_set_int32(camera->output[1], MMAL_PARAMETER_ROTATION, my_rotation);
//mmal_port_parameter_set_int32(camera->output[2], MMAL_PARAMETER_ROTATION, my_rotation);
#ifdef WITH_ENCODER
MMAL_COMPONENT_T *encoder = 0;
#endif
MMAL_COMPONENT_T *camera = 0;
MMAL_COMPONENT_T *splitter = 0;
MMAL_CONNECTION_T* vid_to_split_connection = 0;
MMAL_PORT_T *video_port = NULL;
MMAL_STATUS_T status;
CCameraOutput* outputs[4]; memset(outputs,0,sizeof(outputs));
//create the camera component
camera = CreateCameraComponentAndSetupPorts();
if (!camera)
goto error;
//get the video port
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
video_port->buffer_num = 3;
//create the splitter component
splitter = CreateSplitterComponentAndSetupPorts(video_port);
if(!splitter)
goto error;
//create and enable a connection between the video output and the resizer input
status = mmal_connection_create(&vid_to_split_connection, video_port, splitter->input[0], MMAL_CONNECTION_FLAG_TUNNELLING | MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT);
if (status != MMAL_SUCCESS)
{
printf("Failed to create connection\n");
goto error;
}
status = mmal_connection_enable(vid_to_split_connection);
if (status != MMAL_SUCCESS)
{
printf("Failed to enable connection\n");
goto error;
}
//setup all the outputs
for(int i = 0; i < num_levels; i++)
{
outputs[i] = new CCameraOutput();
if(!outputs[i]->Init(Width >> i,Height >> i,splitter,i,do_argb_conversion))
{
printf("Failed to initialize output %d\n",i);
goto error;
}
}
#ifdef WITH_ENCODER
encoder = CreateEncoderComponentAndSetupPorts();
if (!encoder)
goto error;
#endif
//begin capture
if (mmal_port_parameter_set_boolean(video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
printf("Failed to start capture\n");
goto error;
}
//store created info
CameraComponent = camera;
SplitterComponent = splitter;
VidToSplitConn = vid_to_split_connection;
memcpy(Outputs,outputs,sizeof(outputs));
//return success
printf("Camera successfully created\n");
return true;
error:
if(vid_to_split_connection)
mmal_connection_destroy(vid_to_split_connection);
if(camera)
mmal_component_destroy(camera);
if(splitter)
mmal_component_destroy(splitter);
for(int i = 0; i < 4; i++)
{
if(outputs[i])
{
outputs[i]->Release();
delete outputs[i];
}
}
#ifdef WITH_ENCODER
if(encoder){}
#endif
return false;
}
bool CCamera::Init(int width, int height, int framerate, int num_levels, bool do_argb_conversion)
{
//init broadcom host - QUESTION: can this be called more than once??
bcm_host_init();
//store basic parameters
Width = width;
Height = height;
FrameRate = framerate;
// Set up the camera_parameters to default
raspicamcontrol_set_defaults(&CameraParameters);
MMAL_COMPONENT_T *camera = 0;
MMAL_COMPONENT_T *splitter = 0;
MMAL_CONNECTION_T* vid_to_split_connection = 0;
MMAL_PORT_T *video_port = NULL;
MMAL_STATUS_T status;
CCameraOutput* outputs[4]; memset(outputs,0,sizeof(outputs));
//create the camera component
camera = CreateCameraComponentAndSetupPorts();
if (!camera)
goto error;
//get the video port
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
video_port->buffer_num = 3;
//create the splitter component
splitter = CreateSplitterComponentAndSetupPorts(video_port);
if(!splitter)
goto error;
//create and enable a connection between the video output and the resizer input
status = mmal_connection_create(&vid_to_split_connection, video_port, splitter->input[0], MMAL_CONNECTION_FLAG_TUNNELLING | MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT);
if (status != MMAL_SUCCESS)
{
printf("Failed to create connection\n");
goto error;
}
status = mmal_connection_enable(vid_to_split_connection);
if (status != MMAL_SUCCESS)
{
printf("Failed to enable connection\n");
goto error;
}
//setup all the outputs
for(int i = 0; i < num_levels; i++)
{
outputs[i] = new CCameraOutput();
if(!outputs[i]->Init(Width >> i,Height >> i,splitter,i,do_argb_conversion))
{
printf("Failed to initialize output %d\n",i);
goto error;
}
}
//begin capture
if (mmal_port_parameter_set_boolean(video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
printf("Failed to start capture\n");
goto error;
}
//store created info
CameraComponent = camera;
SplitterComponent = splitter;
VidToSplitConn = vid_to_split_connection;
memcpy(Outputs,outputs,sizeof(outputs));
//custom parameters
raspicamcontrol_set_saturation(camera, 0);
raspicamcontrol_set_contrast(camera, 100);
raspicamcontrol_set_brightness(camera, 50);
//raspicamcontrol_set_exposure_mode(camera, MMAL_PARAM_EXPOSUREMODE_OFF);
//raspicamcontrol_set_awb_mode(camera, MMAL_PARAM_AWBMODE_OFF);
raspicamcontrol_set_shutter_speed(camera, 2400);
//return success
printf("Camera successfully created\n");
return true;
error:
if(vid_to_split_connection)
mmal_connection_destroy(vid_to_split_connection);
if(camera)
mmal_component_destroy(camera);
if(splitter)
mmal_component_destroy(splitter);
for(int i = 0; i < 4; i++)
{
if(outputs[i])
{
outputs[i]->Release();
delete outputs[i];
}
}
return false;
}
