/**
* main
*/
int main(int argc, const char **argv)
{
// Our main data storage vessel..
RASPIVID_STATE state;
int exit_code = EX_OK;
MMAL_STATUS_T status = MMAL_SUCCESS;
MMAL_PORT_T *camera_preview_port = NULL;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
MMAL_PORT_T *encoder_input_port = NULL;
MMAL_PORT_T *encoder_output_port = NULL;
FILE *output_file = NULL;
bcm_host_init();
// Register our application with the logging system
vcos_log_register("RaspiVid", VCOS_LOG_CATEGORY);
signal(SIGINT, signal_handler);
default_status(&state);
// Do we have any parameters
if (argc == 1)
{
fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);
display_valid_parameters(basename(argv[0]));
exit(EX_USAGE);
}
// Parse the command line and put options in to our status structure
if (parse_cmdline(argc, argv, &state))
{
status = -1;
exit(EX_USAGE);
}
if (state.verbose)
{
fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);
dump_status(&state);
}
// OK, we have a nice set of parameters. Now set up our components
// We have three components. Camera, Preview and encoder.
if ((status = create_camera_component(&state)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create camera component", __func__);
exit_code = EX_SOFTWARE;
}
else if ((status = raspipreview_create(&state.preview_parameters)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
exit_code = EX_SOFTWARE;
}
else if ((status = create_encoder_component(&state)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create encode component", __func__);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
exit_code = EX_SOFTWARE;
}
else
{
PORT_USERDATA callback_data;
if (state.verbose)
fprintf(stderr, "Starting component connection stage\n");
camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
preview_input_port = state.preview_parameters.preview_component->input[0];
encoder_input_port = state.encoder_component->input[0];
encoder_output_port = state.encoder_component->output[0];
if (state.preview_parameters.wantPreview )
{
if (state.verbose)
{
fprintf(stderr, "Connecting camera preview port to preview input port\n");
fprintf(stderr, "Starting video preview\n");
}
// Connect camera to preview
status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
}
else
{
status = MMAL_SUCCESS;
}
if (status == MMAL_SUCCESS)
{
if (state.verbose)
fprintf(stderr, "Connecting camera stills port to encoder input port\n");
// Now connect the camera to the encoder
status = connect_ports(camera_video_port, encoder_input_port, &state.encoder_connection);
if (status != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
goto error;
}
if (state.filename)
{
if (state.filename[0] == '-')
{
output_file = stdout;
// Ensure we don't upset the output stream with diagnostics/info
state.verbose = 0;
}
else
{
if (state.verbose)
fprintf(stderr, "Opening output file \"%s\"\n", state.filename);
output_file = fopen(state.filename, "wb");
}
if (!output_file)
{
// Notify user, carry on but discarding encoded output buffers
vcos_log_error("%s: Error opening output file: %s\nNo output file will be generated\n", __func__, state.filename);
}
}
// Set up our userdata - this is passed though to the callback where we need the information.
callback_data.file_handle = output_file;
callback_data.pstate = &state;
callback_data.abort = 0;
encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
if (state.verbose)
fprintf(stderr, "Enabling encoder output port\n");
// Enable the encoder output port and tell it its callback function
status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to setup encoder output");
goto error;
}
if (state.demoMode)
{
// Run for the user specific time..
int num_iterations = state.timeout / state.demoInterval;
int i;
if (state.verbose)
fprintf(stderr, "Running in demo mode\n");
for (i=0;state.timeout == 0 || i<num_iterations;i++)
{
raspicamcontrol_cycle_test(state.camera_component);
vcos_sleep(state.demoInterval);
}
}
else
{
// Only encode stuff if we have a filename and it opened
if (output_file)
{
int wait;
if (state.verbose)
fprintf(stderr, "Starting video capture\n");
if (mmal_port_parameter_set_boolean(camera_video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
goto error;
}
// Send all the buffers to the encoder output port
{
int num = mmal_queue_length(state.encoder_pool->queue);
int q;
for (q=0;q<num;q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.encoder_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
}
}
// Now wait until we need to stop. Whilst waiting we do need to check to see if we have aborted (for example
// out of storage space)
// Going to check every ABORT_INTERVAL milliseconds
for (wait = 0; state.timeout == 0 || wait < state.timeout; wait+= ABORT_INTERVAL)
{
vcos_sleep(ABORT_INTERVAL);
if (callback_data.abort)
break;
}
if (state.verbose)
fprintf(stderr, "Finished capture\n");
}
else
{
if (state.timeout)
vcos_sleep(state.timeout);
else
for (;;) vcos_sleep(ABORT_INTERVAL);
}
}
}
else
{
mmal_status_to_int(status);
vcos_log_error("%s: Failed to connect camera to preview", __func__);
}
error:
mmal_status_to_int(status);
if (state.verbose)
fprintf(stderr, "Closing down\n");
// Disable all our ports that are not handled by connections
check_disable_port(camera_still_port);
check_disable_port(encoder_output_port);
if (state.preview_parameters.wantPreview )
mmal_connection_destroy(state.preview_connection);
mmal_connection_destroy(state.encoder_connection);
// Can now close our file. Note disabling ports may flush buffers which causes
// problems if we have already closed the file!
if (output_file && output_file != stdout)
fclose(output_file);
/* Disable components */
if (state.encoder_component)
mmal_component_disable(state.encoder_component);
if (state.preview_parameters.preview_component)
mmal_component_disable(state.preview_parameters.preview_component);
if (state.camera_component)
mmal_component_disable(state.camera_component);
destroy_encoder_component(&state);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
if (state.verbose)
fprintf(stderr, "Close down completed, all components disconnected, disabled and destroyed\n\n");
}
if (status != MMAL_SUCCESS)
raspicamcontrol_check_configuration(128);
return exit_code;
}
/**
* main
*/
int main(int argc, const char **argv)
{
// Our main data storage vessel..
RASPIVID_STATE state;
MMAL_STATUS_T status = -1;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
MMAL_PORT_T *encoder_input_port = NULL;
MMAL_PORT_T *encoder_output_port = NULL;
time_t timer_begin,timer_end;
double secondsElapsed;
bcm_host_init();
signal(SIGINT, signal_handler);
// read default status
default_status(&state);
// init windows and OpenCV Stuff
cvNamedWindow("camcvWin", CV_WINDOW_AUTOSIZE);
int w=state.width;
int h=state.height;
dstImage = cvCreateImage(cvSize(w,h), IPL_DEPTH_8U, 3);
py = cvCreateImage(cvSize(w,h), IPL_DEPTH_8U, 1); // Y component of YUV I420 frame
pu = cvCreateImage(cvSize(w/2,h/2), IPL_DEPTH_8U, 1); // U component of YUV I420 frame
pv = cvCreateImage(cvSize(w/2,h/2), IPL_DEPTH_8U, 1); // V component of YUV I420 frame
pu_big = cvCreateImage(cvSize(w,h), IPL_DEPTH_8U, 1);
pv_big = cvCreateImage(cvSize(w,h), IPL_DEPTH_8U, 1);
image = cvCreateImage(cvSize(w,h), IPL_DEPTH_8U, 3); // final picture to display
// create camera
if (!create_camera_component(&state))
{
vcos_log_error("%s: Failed to create camera component", __func__);
}
else if (!raspipreview_create(&state.preview_parameters))
{
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
}
else
{
PORT_USERDATA callback_data;
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
VCOS_STATUS_T vcos_status;
callback_data.pstate = &state;
vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
vcos_assert(vcos_status == VCOS_SUCCESS);
// assign data to use for callback
camera_video_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
// init timer
time(&timer_begin);
// start capture
if (mmal_port_parameter_set_boolean(camera_video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
goto error;
}
// Send all the buffers to the video port
int num = mmal_queue_length(state.video_pool->queue);
int q;
for (q=0; q<num; q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.video_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(camera_video_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
}
// Now wait until we need to stop
vcos_sleep(state.timeout);
error:
mmal_status_to_int(status);
// Disable all our ports that are not handled by connections
check_disable_port(camera_still_port);
if (state.camera_component)
mmal_component_disable(state.camera_component);
//destroy_encoder_component(&state);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
}
if (status != 0)
raspicamcontrol_check_configuration(128);
time(&timer_end); /* get current time; same as: timer = time(NULL) */
cvReleaseImage(&dstImage);
cvReleaseImage(&pu);
cvReleaseImage(&pv);
cvReleaseImage(&py);
cvReleaseImage(&pu_big);
cvReleaseImage(&pv_big);
secondsElapsed = difftime(timer_end,timer_begin);
printf ("%.f seconds for %d frames : FPS = %f\n", secondsElapsed,nCount,(float)((float)(nCount)/secondsElapsed));
return 0;
}
/**
* main
*/
int main(int argc, const char **argv)
{
// Our main data storage vessel..
RASPISTILLYUV_STATE state;
MMAL_STATUS_T status = MMAL_SUCCESS;
MMAL_PORT_T *camera_preview_port = NULL;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
FILE *output_file = NULL;
bcm_host_init();
// Register our application with the logging system
vcos_log_register("RaspiStill", VCOS_LOG_CATEGORY);
signal(SIGINT, signal_handler);
// Do we have any parameters
if (argc == 1)
{
fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);
display_valid_parameters(basename(argv[0]));
exit(0);
}
default_status(&state);
// Parse the command line and put options in to our status structure
if (parse_cmdline(argc, argv, &state))
{
status = -1;
exit(0);
}
if (state.verbose)
{
fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);
dump_status(&state);
}
// OK, we have a nice set of parameters. Now set up our components
// We have two components. Camera and Preview
// Camera is different in stills/video, but preview
// is the same so handed off to a separate module
if ((status = create_camera_component(&state)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create camera component", __func__);
}
else if ((status = raspipreview_create(&state.preview_parameters)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
}
else
{
PORT_USERDATA callback_data;
if (state.verbose)
fprintf(stderr, "Starting component connection stage\n");
camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
preview_input_port = state.preview_parameters.preview_component->input[0];
if (state.preview_parameters.wantPreview )
{
if (state.verbose)
{
fprintf(stderr, "Connecting camera preview port to preview input port\n");
fprintf(stderr, "Starting video preview\n");
}
// Connect camera to preview
status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
}
else
{
status = MMAL_SUCCESS;
}
if (status == MMAL_SUCCESS)
{
VCOS_STATUS_T vcos_status;
if (state.filename)
{
if (state.verbose)
fprintf(stderr, "Opening output file %s\n", state.filename);
output_file = fopen(state.filename, "wb");
if (!output_file)
{
// Notify user, carry on but discarding output buffers
vcos_log_error("%s: Error opening output file: %s\nNo output file will be generated\n", __func__, state.filename);
}
}
// Set up our userdata - this is passed though to the callback where we need the information.
callback_data.file_handle = output_file;
callback_data.pstate = &state;
vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
vcos_assert(vcos_status == VCOS_SUCCESS);
camera_still_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
if (state.verbose)
fprintf(stderr, "Enabling camera still output port\n");
// Enable the camera still output port and tell it its callback function
status = mmal_port_enable(camera_still_port, camera_buffer_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to setup camera output");
goto error;
}
if (state.verbose)
fprintf(stderr, "Starting video preview\n");
int num_iterations = state.timelapse ? state.timeout / state.timelapse : 1;
int frame;
FILE *output_file = NULL;
for (frame = 1; frame<=num_iterations; frame++)
{
if (state.timelapse)
vcos_sleep(state.timelapse);
else
vcos_sleep(state.timeout);
// Open the file
if (state.filename)
{
if (state.filename[0] == '-')
{
output_file = stdout;
// Ensure we don't upset the output stream with diagnostics/info
state.verbose = 0;
}
else
{
char *use_filename = state.filename;
if (state.timelapse)
asprintf(&use_filename, state.filename, frame);
if (state.verbose)
fprintf(stderr, "Opening output file %s\n", use_filename);
output_file = fopen(use_filename, "wb");
if (!output_file)
{
// Notify user, carry on but discarding encoded output buffers
vcos_log_error("%s: Error opening output file: %s\nNo output file will be generated\n", __func__, use_filename);
}
// asprintf used in timelapse mode allocates its own memory which we need to free
if (state.timelapse)
free(use_filename);
}
callback_data.file_handle = output_file;
}
// And only do the capture if we have specified a filename and its opened OK
if (output_file)
{
// Send all the buffers to the camera output port
{
int num = mmal_queue_length(state.camera_pool->queue);
int q;
for (q=0; q<num; q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.camera_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(camera_still_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to camera output port (%d)", q);
}
}
if (state.verbose)
fprintf(stderr, "Starting capture %d\n", frame);
// Fire the capture
if (mmal_port_parameter_set_boolean(camera_still_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to start capture", __func__);
}
else
{
// Wait for capture to complete
// For some reason using vcos_semaphore_wait_timeout sometimes returns immediately with bad parameter error
// even though it appears to be all correct, so reverting to untimed one until figure out why its erratic
vcos_semaphore_wait(&callback_data.complete_semaphore);
if (state.verbose)
fprintf(stderr, "Finished capture %d\n", frame);
}
// Ensure we don't die if get callback with no open file
callback_data.file_handle = NULL;
if (output_file != stdout)
fclose(output_file);
}
}
vcos_semaphore_delete(&callback_data.complete_semaphore);
}
else
{
mmal_status_to_int(status);
vcos_log_error("%s: Failed to connect camera to preview", __func__);
}
error:
mmal_status_to_int(status);
if (state.verbose)
fprintf(stderr, "Closing down\n");
if (output_file)
fclose(output_file);
// Disable all our ports that are not handled by connections
check_disable_port(camera_video_port);
if (state.preview_parameters.wantPreview )
mmal_connection_destroy(state.preview_connection);
/* Disable components */
if (state.preview_parameters.preview_component)
mmal_component_disable(state.preview_parameters.preview_component);
if (state.camera_component)
mmal_component_disable(state.camera_component);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
if (state.verbose)
fprintf(stderr, "Close down completed, all components disconnected, disabled and destroyed\n\n");
}
if (status != MMAL_SUCCESS)
raspicamcontrol_check_configuration(128);
return 0;
}
/**
* main
*/
int main(int argc, const char **argv)
{
// *** MODIFICATION: OpenCV modifications.
// Load previous image.
IplImage* prevImage = cvLoadImage("motion1.jpg", CV_LOAD_IMAGE_COLOR);
// Create two arrays with the same number of channels than the original one.
avg1 = cvCreateMat(prevImage->height,prevImage->width,CV_32FC3);
avg2 = cvCreateMat(prevImage->height,prevImage->width,CV_32FC3);
// Create image of 32 bits.
IplImage* image32 = cvCreateImage(cvSize(prevImage->width,prevImage->height), 32,3);
// Convert image to 32 bits.
cvConvertScale(prevImage,image32,1/255,0);
// Set data from previous image into arrays.
cvSetData(avg1,image32->imageData,image32->widthStep);
cvSetData(avg2,image32->imageData,image32->widthStep);
// *** MODIFICATION end
// Our main data storage vessel..
RASPISTILL_STATE state;
MMAL_STATUS_T status = MMAL_SUCCESS;
MMAL_PORT_T *camera_preview_port = NULL;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
MMAL_PORT_T *encoder_input_port = NULL;
MMAL_PORT_T *encoder_output_port = NULL;
bcm_host_init();
// Register our application with the logging system
vcos_log_register("fast", VCOS_LOG_CATEGORY);
signal(SIGINT, signal_handler);
default_status(&state);
if (state.verbose)
{
fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);
}
// OK, we have a nice set of parameters. Now set up our components
// We have three components. Camera, Preview and encoder.
// Camera and encoder are different in stills/video, but preview
// is the same so handed off to a separate module
if ((status = create_camera_component(&state)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create camera component", __func__);
}
else if ((status = raspipreview_create(&state.preview_parameters)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
}
else if ((status = create_encoder_component(&state)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create encode component", __func__);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
}
else
{
PORT_USERDATA callback_data;
if (state.verbose)
fprintf(stderr, "Starting component connection stage\n");
camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
preview_input_port = state.preview_parameters.preview_component->input[0];
encoder_input_port = state.encoder_component->input[0];
encoder_output_port = state.encoder_component->output[0];
if (state.preview_parameters.wantPreview )
{
if (state.verbose)
{
fprintf(stderr, "Connecting camera preview port to preview input port\n");
fprintf(stderr, "Starting video preview\n");
}
// *** USER: remove preview
// Connect camera to preview
//status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
}
else
{
status = MMAL_SUCCESS;
}
if (status == MMAL_SUCCESS)
{
VCOS_STATUS_T vcos_status;
if (state.verbose)
fprintf(stderr, "Connecting camera stills port to encoder input port\n");
// Now connect the camera to the encoder
status = connect_ports(camera_still_port, encoder_input_port, &state.encoder_connection);
if (status != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
goto error;
}
// Set up our userdata - this is passed though to the callback where we need the information.
// Null until we open our filename
callback_data.file_handle = NULL;
callback_data.pstate = &state;
vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
vcos_assert(vcos_status == VCOS_SUCCESS);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to setup encoder output");
goto error;
}
FILE *output_file = NULL;
int frame = 1;
// Enable the encoder output port
encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
if (state.verbose)
fprintf(stderr, "Enabling encoder output port\n");
// Enable the encoder output port and tell it its callback function
status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);
// Create an empty matrix with the size of the buffer.
CvMat* buf = cvCreateMat(1,60000,CV_8UC1);
// Keep buffer that gets frames from queue.
MMAL_BUFFER_HEADER_T *buffer;
// Image to be displayed.
IplImage* image;
// Keep number of buffers and index for the loop.
int num, q;
while(1)
{
// Send all the buffers to the encoder output port
num = mmal_queue_length(state.encoder_pool->queue);
for (q=0;q<num;q++)
{
buffer = mmal_queue_get(state.encoder_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
} // for
if (mmal_port_parameter_set_boolean(camera_still_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
vcos_log_error("%s: Failed to start capture", __func__);
else
{
// Wait for capture to complete
// For some reason using vcos_semaphore_wait_timeout sometimes returns immediately with bad parameter error
// even though it appears to be all correct, so reverting to untimed one until figure out why its erratic
vcos_semaphore_wait(&callback_data.complete_semaphore);
if (state.verbose)
fprintf(stderr, "Finished capture %d\n", frame);
} // else
// Copy buffer from camera to matrix.
buf->data.ptr = buffer->data;
// This workaround is needed for the code to work
// *** TODO: investigate why.
printf("Until here works\n");
// Decode the image and display it.
image = cvDecodeImage(buf, CV_LOAD_IMAGE_COLOR);
// Destinations
CvMat* res1 = cvCreateMat(image->height,image->width,CV_8UC3);
CvMat* res2 = cvCreateMat(image->height,image->width,CV_8UC3);
// Update running averages and then scale, calculate absolute values
// and convert the result 8-bit.
// *** USER:change the value of the weight.
cvRunningAvg(image,avg2,0.0001, NULL);
cvConvertScaleAbs(avg2, res2, 1,0);
cvRunningAvg(image,avg1,0.1, NULL);
cvConvertScaleAbs(avg1, res1, 1,0);
// Show images
cvShowImage("img",image);
cvShowImage("avg1",res1);
cvShowImage("avg2",res2);
cvWaitKey(20);
// Update previous image.
cvSaveImage("motion1.jpg", image, 0);
} // end while
vcos_semaphore_delete(&callback_data.complete_semaphore);
}
else
{
mmal_status_to_int(status);
vcos_log_error("%s: Failed to connect camera to preview", __func__);
}
error:
mmal_status_to_int(status);
if (state.verbose)
fprintf(stderr, "Closing down\n");
// Disable all our ports that are not handled by connections
check_disable_port(camera_video_port);
check_disable_port(encoder_output_port);
if (state.preview_parameters.wantPreview )
mmal_connection_destroy(state.preview_connection);
mmal_connection_destroy(state.encoder_connection);
/* Disable components */
if (state.encoder_component)
mmal_component_disable(state.encoder_component);
if (state.preview_parameters.preview_component)
mmal_component_disable(state.preview_parameters.preview_component);
if (state.camera_component)
mmal_component_disable(state.camera_component);
destroy_encoder_component(&state);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
if (state.verbose)
fprintf(stderr, "Close down completed, all components disconnected, disabled and destroyed\n\n");
}
if (status != MMAL_SUCCESS)
raspicamcontrol_check_configuration(128);
return 0;
}
/**
* main
*/
int main(int argc, const char **argv)
{
// Our main data storage vessel..
RASPIVID_STATE state;
MMAL_STATUS_T status;
MMAL_PORT_T *camera_preview_port = NULL;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
MMAL_PORT_T *encoder_input_port = NULL;
MMAL_PORT_T *encoder_output_port = NULL;
FILE *output_file = NULL;
// Register our application with the logging system
vcos_log_register("RaspiVid", VCOS_LOG_CATEGORY);
printf("\nRaspiVid Camera App\n");
printf("===================\n\n");
signal(SIGINT, signal_handler);
default_status(&state);
// Do we have any parameters
if (argc == 1)
{
display_valid_parameters();
exit(0);
}
// Parse the command line and put options in to our status structure
if (parse_cmdline(argc, argv, &state))
{
status = -1;
exit(0);
}
if (state.verbose)
dump_status(&state);
// OK, we have a nice set of parameters. Now set up our components
// We have three components. Camera, Preview and encoder.
if (!create_camera_component(&state))
{
vcos_log_error("%s: Failed to create camera component", __func__);
}
else if (!raspipreview_create(&state.preview_parameters))
{
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
}
else if (!create_encoder_component(&state))
{
vcos_log_error("%s: Failed to create encode component", __func__);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
}
else
{
PORT_USERDATA callback_data;
if (state.verbose)
printf("Starting component connection stage\n");
camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
preview_input_port = state.preview_parameters.preview_component->input[0];
encoder_input_port = state.encoder_component->input[0];
encoder_output_port = state.encoder_component->output[0];
if (state.preview_parameters.wantPreview )
{
if (state.verbose)
{
printf("Connecting camera preview port to preview input port\n");
printf("Starting video preview\n");
}
// Connect camera to preview
status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
}
if (status == MMAL_SUCCESS)
{
VCOS_STATUS_T vcos_status;
if (state.verbose)
printf("Connecting camera stills port to encoder input port\n");
// Now connect the camera to the encoder
status = connect_ports(camera_video_port, encoder_input_port, &state.encoder_connection);
if (status != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
goto error;
}
if (state.filename)
{
if (state.verbose)
printf("Opening output file %s\n", state.filename);
output_file = fopen(state.filename, "wb");
if (!output_file)
{
// Notify user, carry on but discarding encoded output buffers
vcos_log_error("%s: Error opening output file: %s\nNo output file will be generated\n", __func__, state.filename);
}
}
// Set up our userdata - this is passed though to the callback where we need the information.
callback_data.file_handle = output_file;
callback_data.pstate = &state;
vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
vcos_assert(vcos_status == VCOS_SUCCESS);
encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
if (state.verbose)
printf("Enabling encoder output port\n");
// Enable the encoder output port and tell it its callback function
status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to setup encoder output");
goto error;
}
if (state.demoMode)
{
// Run for the user specific time..
int num_iterations = state.timeout / state.demoInterval;
int i;
printf("Running in demo mode\n");
for (i=0;i<num_iterations;i++)
{
raspicamcontrol_cycle_test(state.camera_component);
vcos_sleep(state.demoInterval);
}
}
else
{
// Only encode stuff if we have a filename and it opened
if (output_file)
{
if (state.verbose)
printf("Starting video capture\n");
if (mmal_port_parameter_set_boolean(camera_video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
goto error;
}
// Send all the buffers to the encoder output port
{
int num = mmal_queue_length(state.encoder_pool->queue);
int q;
for (q=0;q<num;q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.encoder_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
}
}
// Now wait until we need to stop
vcos_sleep(state.timeout);
printf("Finished capture\n");
}
else
vcos_sleep(state.timeout);
}
}
else
{
mmal_status_to_int(status);
vcos_log_error("%s: Failed to connect camera to preview", __func__);
}
error:
mmal_status_to_int(status);
if (state.verbose)
printf("Closing down\n");
// Disable all our ports that are not handled by connections
check_disable_port(camera_still_port);
check_disable_port(encoder_output_port);
if (state.preview_parameters.wantPreview )
mmal_connection_destroy(state.preview_connection);
mmal_connection_destroy(state.encoder_connection);
// Can now close our file. Note disabling ports may flush buffers which causes
// problems if we have already closed the file!
if (output_file)
fclose(output_file);
/* Disable components */
if (state.encoder_component)
mmal_component_disable(state.encoder_component);
if (state.preview_parameters.preview_component)
mmal_component_disable(state.preview_parameters.preview_component);
if (state.camera_component)
mmal_component_disable(state.camera_component);
destroy_encoder_component(&state);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
if (state.verbose)
printf("Close down completed, all components disconnected, disabled and destroyed\n\n");
}
return 0;
}
/**
* main
*/
int main(int argc, const char **argv)
{
// Our main data storage vessel..
RASPISTILLYUV_STATE state;
int exit_code = EX_OK;
MMAL_STATUS_T status = MMAL_SUCCESS;
MMAL_PORT_T *camera_preview_port = NULL;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
FILE *output_file = NULL;
bcm_host_init();
// Register our application with the logging system
vcos_log_register("RaspiStill", VCOS_LOG_CATEGORY);
signal(SIGINT, signal_handler);
// Disable USR1 for the moment - may be reenabled if go in to signal capture mode
signal(SIGUSR1, SIG_IGN);
default_status(&state);
// Do we have any parameters
if (argc == 1)
{
fprintf(stdout, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);
display_valid_parameters(basename(argv[0]));
exit(EX_USAGE);
}
default_status(&state);
// Parse the command line and put options in to our status structure
if (parse_cmdline(argc, argv, &state))
{
status = -1;
exit(EX_USAGE);
}
if (state.verbose)
{
fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);
dump_status(&state);
}
// OK, we have a nice set of parameters. Now set up our components
// We have two components. Camera and Preview
// Camera is different in stills/video, but preview
// is the same so handed off to a separate module
if ((status = create_camera_component(&state)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create camera component", __func__);
exit_code = EX_SOFTWARE;
}
else if ((status = raspipreview_create(&state.preview_parameters)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
exit_code = EX_SOFTWARE;
}
else
{
PORT_USERDATA callback_data;
if (state.verbose)
fprintf(stderr, "Starting component connection stage\n");
camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
// Note we are lucky that the preview and null sink components use the same input port
// so we can simple do this without conditionals
preview_input_port = state.preview_parameters.preview_component->input[0];
// Connect camera to preview (which might be a null_sink if no preview required)
status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
if (status == MMAL_SUCCESS)
{
VCOS_STATUS_T vcos_status;
// Set up our userdata - this is passed though to the callback where we need the information.
// Null until we open our filename
callback_data.file_handle = NULL;
callback_data.pstate = &state;
vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
vcos_assert(vcos_status == VCOS_SUCCESS);
camera_still_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
if (state.verbose)
fprintf(stderr, "Enabling camera still output port\n");
// Enable the camera still output port and tell it its callback function
status = mmal_port_enable(camera_still_port, camera_buffer_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to setup camera output");
goto error;
}
if (state.verbose)
fprintf(stderr, "Starting video preview\n");
int frame, keep_looping = 1;
FILE *output_file = NULL;
char *use_filename = NULL; // Temporary filename while image being written
char *final_filename = NULL; // Name that file gets once writing complete
frame = 0;
while (keep_looping)
{
keep_looping = wait_for_next_frame(&state, &frame);
// Open the file
if (state.filename)
{
if (state.filename[0] == '-')
{
output_file = stdout;
// Ensure we don't upset the output stream with diagnostics/info
state.verbose = 0;
}
else
{
vcos_assert(use_filename == NULL && final_filename == NULL);
status = create_filenames(&final_filename, &use_filename, state.filename, frame);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to create filenames");
goto error;
}
if (state.verbose)
fprintf(stderr, "Opening output file %s\n", final_filename);
// Technically it is opening the temp~ filename which will be ranamed to the final filename
output_file = fopen(use_filename, "wb");
if (!output_file)
{
// Notify user, carry on but discarding encoded output buffers
vcos_log_error("%s: Error opening output file: %s\nNo output file will be generated\n", __func__, use_filename);
}
}
callback_data.file_handle = output_file;
}
if (output_file)
{
int num, q;
// There is a possibility that shutter needs to be set each loop.
if (mmal_status_to_int(mmal_port_parameter_set_uint32(state.camera_component->control, MMAL_PARAMETER_SHUTTER_SPEED, state.camera_parameters.shutter_speed) != MMAL_SUCCESS))
vcos_log_error("Unable to set shutter speed");
// Send all the buffers to the camera output port
num = mmal_queue_length(state.camera_pool->queue);
for (q=0;q<num;q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.camera_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(camera_still_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to camera output port (%d)", q);
}
if (state.burstCaptureMode && frame==1)
{
mmal_port_parameter_set_boolean(state.camera_component->control, MMAL_PARAMETER_CAMERA_BURST_CAPTURE, 1);
}
if (state.verbose)
fprintf(stderr, "Starting capture %d\n", frame);
if (mmal_port_parameter_set_boolean(camera_still_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to start capture", __func__);
}
else
{
// Wait for capture to complete
// For some reason using vcos_semaphore_wait_timeout sometimes returns immediately with bad parameter error
// even though it appears to be all correct, so reverting to untimed one until figure out why its erratic
vcos_semaphore_wait(&callback_data.complete_semaphore);
if (state.verbose)
fprintf(stderr, "Finished capture %d\n", frame);
}
// Ensure we don't die if get callback with no open file
callback_data.file_handle = NULL;
if (output_file != stdout)
{
rename_file(&state, output_file, final_filename, use_filename, frame);
}
}
if (use_filename)
{
free(use_filename);
use_filename = NULL;
}
if (final_filename)
{
free(final_filename);
final_filename = NULL;
}
} // end for (frame)
vcos_semaphore_delete(&callback_data.complete_semaphore);
}
else
{
mmal_status_to_int(status);
vcos_log_error("%s: Failed to connect camera to preview", __func__);
}
error:
mmal_status_to_int(status);
if (state.verbose)
fprintf(stderr, "Closing down\n");
if (output_file)
fclose(output_file);
// Disable all our ports that are not handled by connections
check_disable_port(camera_video_port);
if (state.preview_connection)
mmal_connection_destroy(state.preview_connection);
/* Disable components */
if (state.preview_parameters.preview_component)
mmal_component_disable(state.preview_parameters.preview_component);
if (state.camera_component)
mmal_component_disable(state.camera_component);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
if (state.verbose)
fprintf(stderr, "Close down completed, all components disconnected, disabled and destroyed\n\n");
}
if (status != MMAL_SUCCESS)
raspicamcontrol_check_configuration(128);
return exit_code;
}
int main(int argc, char **argv)
{
MMAL_STATUS_T status = MMAL_EINVAL;
MMAL_COMPONENT_T *decoder = 0;
MMAL_POOL_T *pool_in = 0, *pool_out = 0;
MMAL_BOOL_T eos_sent = MMAL_FALSE, eos_received = MMAL_FALSE;
unsigned int count;
if (argc < 2)
{
fprintf(stderr, "invalid arguments\n");
return -1;
}
vcos_semaphore_create(&context.semaphore, "example", 1);
SOURCE_OPEN(argv[1]);
/* Create the decoder component.
* This specific component exposes 2 ports (1 input and 1 output). Like most components
* its expects the format of its input port to be set by the client in order for it to
* know what kind of data it will be fed. */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_DECODER, &decoder);
CHECK_STATUS(status, "failed to create decoder");
/* Enable control port so we can receive events from the component */
decoder->control->userdata = (void *)&context;
status = mmal_port_enable(decoder->control, control_callback);
CHECK_STATUS(status, "failed to enable control port");
/* Get statistics on the input port */
MMAL_PARAMETER_CORE_STATISTICS_T stats = {{0}};
stats.hdr.id = MMAL_PARAMETER_CORE_STATISTICS;
stats.hdr.size = sizeof(MMAL_PARAMETER_CORE_STATISTICS_T);
status = mmal_port_parameter_get(decoder->input[0], &stats.hdr);
CHECK_STATUS(status, "failed to get stats");
fprintf(stderr, "stats: %i, %i", stats.stats.buffer_count, stats.stats.max_delay);
/* Set the zero-copy parameter on the input port */
MMAL_PARAMETER_BOOLEAN_T zc = {{MMAL_PARAMETER_ZERO_COPY, sizeof(zc)}, MMAL_TRUE};
status = mmal_port_parameter_set(decoder->input[0], &zc.hdr);
fprintf(stderr, "status: %i\n", status);
/* Set the zero-copy parameter on the output port */
status = mmal_port_parameter_set_boolean(decoder->output[0], MMAL_PARAMETER_ZERO_COPY, MMAL_TRUE);
fprintf(stderr, "status: %i\n", status);
/* Set format of video decoder input port */
MMAL_ES_FORMAT_T *format_in = decoder->input[0]->format;
format_in->type = MMAL_ES_TYPE_VIDEO;
format_in->encoding = MMAL_ENCODING_H264;
format_in->es->video.width = 1280;
format_in->es->video.height = 720;
format_in->es->video.frame_rate.num = 30;
format_in->es->video.frame_rate.den = 1;
format_in->es->video.par.num = 1;
format_in->es->video.par.den = 1;
/* If the data is known to be framed then the following flag should be set:
* format_in->flags |= MMAL_ES_FORMAT_FLAG_FRAMED; */
SOURCE_READ_CODEC_CONFIG_DATA(codec_header_bytes, codec_header_bytes_size);
status = mmal_format_extradata_alloc(format_in, codec_header_bytes_size);
CHECK_STATUS(status, "failed to allocate extradata");
format_in->extradata_size = codec_header_bytes_size;
if (format_in->extradata_size)
memcpy(format_in->extradata, codec_header_bytes, format_in->extradata_size);
status = mmal_port_format_commit(decoder->input[0]);
CHECK_STATUS(status, "failed to commit format");
/* Our decoder can do internal colour conversion, ask for a conversion to RGB565 */
MMAL_ES_FORMAT_T *format_out = decoder->output[0]->format;
format_out->encoding = MMAL_ENCODING_RGB16;
status = mmal_port_format_commit(decoder->output[0]);
CHECK_STATUS(status, "failed to commit format");
/* Display the output port format */
fprintf(stderr, "%s\n", decoder->output[0]->name);
fprintf(stderr, " type: %i, fourcc: %4.4s\n", format_out->type, (char *)&format_out->encoding);
fprintf(stderr, " bitrate: %i, framed: %i\n", format_out->bitrate,
!!(format_out->flags & MMAL_ES_FORMAT_FLAG_FRAMED));
fprintf(stderr, " extra data: %i, %p\n", format_out->extradata_size, format_out->extradata);
fprintf(stderr, " width: %i, height: %i, (%i,%i,%i,%i)\n",
format_out->es->video.width, format_out->es->video.height,
format_out->es->video.crop.x, format_out->es->video.crop.y,
format_out->es->video.crop.width, format_out->es->video.crop.height);
/* The format of both ports is now set so we can get their buffer requirements and create
* our buffer headers. We use the buffer pool API to create these. */
decoder->input[0]->buffer_num = decoder->input[0]->buffer_num_min;
decoder->input[0]->buffer_size = decoder->input[0]->buffer_size_min;
decoder->output[0]->buffer_num = decoder->output[0]->buffer_num_min;
decoder->output[0]->buffer_size = decoder->output[0]->buffer_size_min;
pool_in = mmal_pool_create(decoder->input[0]->buffer_num,
decoder->input[0]->buffer_size);
pool_out = mmal_pool_create(decoder->output[0]->buffer_num,
decoder->output[0]->buffer_size);
/* Create a queue to store our decoded video frames. The callback we will get when
* a frame has been decoded will put the frame into this queue. */
context.queue = mmal_queue_create();
/* Store a reference to our context in each port (will be used during callbacks) */
decoder->input[0]->userdata = (void *)&context;
decoder->output[0]->userdata = (void *)&context;
/* Enable all the input port and the output port.
* The callback specified here is the function which will be called when the buffer header
* we sent to the component has been processed. */
status = mmal_port_enable(decoder->input[0], input_callback);
CHECK_STATUS(status, "failed to enable input port");
status = mmal_port_enable(decoder->output[0], output_callback);
CHECK_STATUS(status, "failed to enable output port");
/* Component won't start processing data until it is enabled. */
status = mmal_component_enable(decoder);
CHECK_STATUS(status, "failed to enable component");
/* Start decoding */
fprintf(stderr, "start decoding\n");
/* This is the main processing loop */
for (count = 0; !eos_received && count < 500; count++)
{
MMAL_BUFFER_HEADER_T *buffer;
/* Wait for buffer headers to be available on either of the decoder ports */
vcos_semaphore_wait(&context.semaphore);
/* Check for errors */
if (context.status != MMAL_SUCCESS)
break;
/* Send data to decode to the input port of the video decoder */
if (!eos_sent && (buffer = mmal_queue_get(pool_in->queue)) != NULL)
{
SOURCE_READ_DATA_INTO_BUFFER(buffer);
if(!buffer->length) eos_sent = MMAL_TRUE;
buffer->flags = buffer->length ? 0 : MMAL_BUFFER_HEADER_FLAG_EOS;
buffer->pts = buffer->dts = MMAL_TIME_UNKNOWN;
fprintf(stderr, "sending %i bytes\n", (int)buffer->length);
status = mmal_port_send_buffer(decoder->input[0], buffer);
CHECK_STATUS(status, "failed to send buffer");
}
/* Get our decoded frames */
while ((buffer = mmal_queue_get(context.queue)) != NULL)
{
/* We have a frame, do something with it (why not display it for instance?).
* Once we're done with it, we release it. It will automatically go back
* to its original pool so it can be reused for a new video frame.
*/
eos_received = buffer->flags & MMAL_BUFFER_HEADER_FLAG_EOS;
if (buffer->cmd)
fprintf(stderr, "received event %4.4s", (char *)&buffer->cmd);
else
fprintf(stderr, "decoded frame (flags %x)\n", buffer->flags);
mmal_buffer_header_release(buffer);
}
/* Send empty buffers to the output port of the decoder */
while ((buffer = mmal_queue_get(pool_out->queue)) != NULL)
{
status = mmal_port_send_buffer(decoder->output[0], buffer);
CHECK_STATUS(status, "failed to send buffer");
}
}
/* Stop decoding */
fprintf(stderr, "stop decoding\n");
/* Stop everything. Not strictly necessary since mmal_component_destroy()
* will do that anyway */
mmal_port_disable(decoder->input[0]);
mmal_port_disable(decoder->output[0]);
mmal_component_disable(decoder);
error:
/* Cleanup everything */
if (decoder)
mmal_component_destroy(decoder);
if (pool_in)
mmal_pool_destroy(pool_in);
if (pool_out)
mmal_pool_destroy(pool_out);
if (context.queue)
mmal_queue_destroy(context.queue);
SOURCE_CLOSE();
vcos_semaphore_delete(&context.semaphore);
return status == MMAL_SUCCESS ? 0 : -1;
}
/**
* main
*/
int main(int argc, const char **argv)
{
// Our main data storage vessel..
RASPISTILL_STATE state;
MMAL_STATUS_T status = -1;
MMAL_PORT_T *camera_preview_port = NULL;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
MMAL_PORT_T *encoder_input_port = NULL;
MMAL_PORT_T *encoder_output_port = NULL;
bcm_host_init();
signal(SIGINT, signal_handler);
default_status(&state);
if (!create_camera_component(&state))
{
vcos_log_error("%s: Failed to create camera component", __func__);
}
else if ( (status = raspipreview_create(&state.preview_parameters)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
}
else if (!create_encoder_component(&state))
{
vcos_log_error("%s: Failed to create encode component", __func__);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
}
else
{
PORT_USERDATA callback_data;
// *** PR : we don't want preview
camera_preview_port = NULL;//state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
preview_input_port = state.preview_parameters.preview_component->input[0];
encoder_input_port = state.encoder_component->input[0];
encoder_output_port = state.encoder_component->output[0];
if (state.preview_parameters.wantPreview )
{
if (state.verbose)
{
fprintf(stderr, "Connecting camera preview port to preview input port\n");
fprintf(stderr, "Starting video preview\n");
}
// PR : we don't want preview
// Connect camera to preview
// status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
}
VCOS_STATUS_T vcos_status;
if (state.verbose)
fprintf(stderr, "Connecting camera stills port to encoder input port\n");
// Now connect the camera to the encoder
status = connect_ports(camera_still_port, encoder_input_port, &state.encoder_connection);
if (status != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
goto error;
}
// Set up our userdata - this is passed though to the callback where we need the information.
// Null until we open our filename
callback_data.file_handle = NULL;
callback_data.pstate = &state;
vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
vcos_assert(vcos_status == VCOS_SUCCESS);
encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
if (state.verbose)
fprintf(stderr, "Enabling encoder output port\n");
// Enable the encoder output port and tell it its callback function
status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to setup encoder output");
goto error;
}
{
int num_iterations = state.timelapse ? state.timeout / state.timelapse : 1;
int frame;
for (frame = 1;frame<=num_iterations; frame++)
{
if (state.timelapse)
vcos_sleep(state.timelapse);
else
vcos_sleep(state.timeout);
// Send all the buffers to the encoder output port
int num = mmal_queue_length(state.encoder_pool->queue);
int q;
for (q=0;q<num;q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.encoder_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
}
if (mmal_port_parameter_set_boolean(camera_still_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to start capture", __func__);
}
else
{
// Wait for capture to complete
// For some reason using vcos_semaphore_wait_timeout sometimes returns immediately with bad parameter error
// even though it appears to be all correct, so reverting to untimed one until figure out why its erratic
vcos_semaphore_wait(&callback_data.complete_semaphore);
}
} // end for (frame)
vcos_semaphore_delete(&callback_data.complete_semaphore);
}
error:
mmal_status_to_int(status);
// Disable all our ports that are not handled by connections
check_disable_port(camera_video_port);
check_disable_port(encoder_output_port);
// PR : we don't want preview
//if (state.preview_parameters.wantPreview )
// mmal_connection_destroy(state.preview_connection);
mmal_connection_destroy(state.encoder_connection);
/* Disable components */
if (state.encoder_component)
mmal_component_disable(state.encoder_component);
if (state.preview_parameters.preview_component)
mmal_component_disable(state.preview_parameters.preview_component);
if (state.camera_component)
mmal_component_disable(state.camera_component);
destroy_encoder_component(&state);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
if (state.verbose)
fprintf(stderr, "Close down completed, all components disconnected, disabled and destroyed\n\n");
}
if (status != 0)
raspicamcontrol_check_configuration(128);
return 0;
}
int main (int argc, char* argv[]) {
MMAL_STATUS_T status;
int i, max, fd, length, cam_setting;
unsigned long int cam_setting_long;
char readbuf[20];
char *filename_temp, *filename_temp2, *cmd_temp;
bcm_host_init();
//
// read arguments
//
unsigned char of_set = 0;
for(i=1; i<argc; i++) {
if(strcmp(argv[i], "--version") == 0) {
printf("RaspiMJPEG Version ");
printf(VERSION);
printf("\n");
exit(0);
}
else if(strcmp(argv[i], "-w") == 0) {
i++;
width = atoi(argv[i]);
}
else if(strcmp(argv[i], "-h") == 0) {
i++;
height = atoi(argv[i]);
}
else if(strcmp(argv[i], "-wp") == 0) {
i++;
width_pic = atoi(argv[i]);
}
else if(strcmp(argv[i], "-hp") == 0) {
i++;
height_pic = atoi(argv[i]);
}
else if(strcmp(argv[i], "-q") == 0) {
i++;
quality = atoi(argv[i]);
}
else if(strcmp(argv[i], "-d") == 0) {
i++;
divider = atoi(argv[i]);
}
else if(strcmp(argv[i], "-p") == 0) {
mp4box = 1;
}
else if(strcmp(argv[i], "-ic") == 0) {
i++;
image2_cnt = atoi(argv[i]);
}
else if(strcmp(argv[i], "-vc") == 0) {
i++;
video_cnt = atoi(argv[i]);
}
else if(strcmp(argv[i], "-of") == 0) {
i++;
jpeg_filename = argv[i];
of_set = 1;
}
else if(strcmp(argv[i], "-if") == 0) {
i++;
jpeg2_filename = argv[i];
of_set = 1;
}
else if(strcmp(argv[i], "-cf") == 0) {
i++;
pipe_filename = argv[i];
}
else if(strcmp(argv[i], "-vf") == 0) {
i++;
h264_filename = argv[i];
}
else if(strcmp(argv[i], "-sf") == 0) {
i++;
status_filename = argv[i];
}
else if(strcmp(argv[i], "-pa") == 0) {
autostart = 0;
idle = 1;
}
else if(strcmp(argv[i], "-md") == 0) {
motion_detection = 1;
}
else if(strcmp(argv[i], "-fp") == 0) {
preview_mode = RES_4_3;
}
else if(strcmp(argv[i], "-audio") == 0) {
audio_mode = 1;
}
else error("Invalid arguments");
}
if(!of_set) error("Output file not specified");
//
// init
//
if(autostart) start_all();
if(motion_detection) {
if(system("motion") == -1) error("Could not start Motion");
}
//
// run
//
if(autostart) {
if(pipe_filename != 0) printf("MJPEG streaming, ready to receive commands\n");
else printf("MJPEG streaming\n");
}
else {
if(pipe_filename != 0) printf("MJPEG idle, ready to receive commands\n");
else printf("MJPEG idle\n");
}
struct sigaction action;
memset(&action, 0, sizeof(struct sigaction));
action.sa_handler = term;
sigaction(SIGTERM, &action, NULL);
sigaction(SIGINT, &action, NULL);
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
if(!status_file) error("Could not open/create status-file");
if(autostart) {
if(!motion_detection) {
fprintf(status_file, "ready");
}
else fprintf(status_file, "md_ready");
}
else fprintf(status_file, "halted");
fclose(status_file);
}
while(running) {
if(pipe_filename != 0) {
fd = open(pipe_filename, O_RDONLY | O_NONBLOCK);
if(fd < 0) error("Could not open PIPE");
fcntl(fd, F_SETFL, 0);
length = read(fd, readbuf, 20);
close(fd);
if(length) {
if((readbuf[0]=='p') && (readbuf[1]=='m')) {
stop_all();
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
if(strcmp(readbuf, " 4_3") == 0) preview_mode = RES_4_3;
else if(strcmp(readbuf, " 16_9_STD") == 0) preview_mode = RES_16_9_STD;
else if(strcmp(readbuf, " 16_9_WIDE") == 0) preview_mode = RES_16_9_WIDE;
start_all();
printf("Changed preview mode\n");
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
fprintf(status_file, "ready");
fclose(status_file);
}
}
else if((readbuf[0]=='c') && (readbuf[1]=='a')) {
if(readbuf[3]=='1') {
if(!capturing) {
status = mmal_component_enable(h264encoder);
if(status != MMAL_SUCCESS) error("Could not enable h264encoder");
pool_h264encoder = mmal_port_pool_create(h264encoder->output[0], h264encoder->output[0]->buffer_num, h264encoder->output[0]->buffer_size);
if(!pool_h264encoder) error("Could not create pool");
status = mmal_connection_create(&con_cam_h264, camera->output[1], h264encoder->input[0], MMAL_CONNECTION_FLAG_TUNNELLING | MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT);
if(status != MMAL_SUCCESS) error("Could not create connecton camera -> video converter");
status = mmal_connection_enable(con_cam_h264);
if(status != MMAL_SUCCESS) error("Could not enable connection camera -> video converter");
currTime = time(NULL);
localTime = localtime (&currTime);
if(mp4box) {
asprintf(&filename_temp, h264_filename, video_cnt, localTime->tm_year+1900, localTime->tm_mon+1, localTime->tm_mday, localTime->tm_hour, localTime->tm_min, localTime->tm_sec);
asprintf(&filename_temp2, "%s.h264", filename_temp);
}
else {
asprintf(&filename_temp2, h264_filename, video_cnt, localTime->tm_year+1900, localTime->tm_mon+1, localTime->tm_mday, localTime->tm_hour, localTime->tm_min, localTime->tm_sec);
}
h264output_file = fopen(filename_temp2, "wb");
free(filename_temp2);
if(mp4box) {
if(audio_mode) {
asprintf(&cmd_temp, "/usr/bin/arecord -q -D hw:1,0 -f S16_LE -t wav | /usr/bin/lame - %s.mp3 -S &", filename_temp);
printf("Audio recording with \"%s\\n", cmd_temp);
if(system(cmd_temp) == -1) error("Could not start audio recording");
}
free(filename_temp);
}
if(!h264output_file) error("Could not open/create video-file");
status = mmal_port_enable(h264encoder->output[0], h264encoder_buffer_callback);
if(status != MMAL_SUCCESS) error("Could not enable video port");
max = mmal_queue_length(pool_h264encoder->queue);
for(i=0;i<max;i++) {
MMAL_BUFFER_HEADER_T *h264buffer = mmal_queue_get(pool_h264encoder->queue);
if(!h264buffer) error("Could not create video pool header");
status = mmal_port_send_buffer(h264encoder->output[0], h264buffer);
if(status != MMAL_SUCCESS) error("Could not send buffers to video port");
}
mmal_port_parameter_set_boolean(camera->output[1], MMAL_PARAMETER_CAPTURE, 1);
if(status != MMAL_SUCCESS) error("Could not start capture");
printf("Capturing started\n");
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
if(!motion_detection) fprintf(status_file, "video");
else fprintf(status_file, "md_video");
fclose(status_file);
}
capturing = 1;
}
}
else {
if(capturing) {
mmal_port_parameter_set_boolean(camera->output[1], MMAL_PARAMETER_CAPTURE, 0);
if(status != MMAL_SUCCESS) error("Could not stop capture");
status = mmal_port_disable(h264encoder->output[0]);
if(status != MMAL_SUCCESS) error("Could not disable video port");
status = mmal_connection_destroy(con_cam_h264);
if(status != MMAL_SUCCESS) error("Could not destroy connection camera -> video encoder");
mmal_port_pool_destroy(h264encoder->output[0], pool_h264encoder);
if(status != MMAL_SUCCESS) error("Could not destroy video buffer pool");
status = mmal_component_disable(h264encoder);
if(status != MMAL_SUCCESS) error("Could not disable video converter");
fclose(h264output_file);
h264output_file = NULL;
printf("Capturing stopped\n");
if(mp4box) {
printf("Boxing started\n");
status_file = fopen(status_filename, "w");
if(!motion_detection) fprintf(status_file, "boxing");
else fprintf(status_file, "md_boxing");
fclose(status_file);
asprintf(&filename_temp, h264_filename, video_cnt, localTime->tm_year+1900, localTime->tm_mon+1, localTime->tm_mday, localTime->tm_hour, localTime->tm_min, localTime->tm_sec);
if(audio_mode) {
asprintf(&cmd_temp, "/usr/bin/killall arecord > /dev/null");
if(system(cmd_temp) == -1) error("Could not stop audio recording");
free(cmd_temp);
asprintf(&cmd_temp, "MP4Box -fps 25 -add %s.h264 -add %s.mp3 %s > /dev/null", filename_temp, filename_temp, filename_temp);
} else {
asprintf(&cmd_temp, "MP4Box -fps 25 -add %s.h264 %s > /dev/null", filename_temp, filename_temp);
}
if(system(cmd_temp) == -1) error("Could not start MP4Box");
asprintf(&filename_temp2, "%s.h264", filename_temp);
remove(filename_temp2);
free(filename_temp2);
if (audio_mode) {
asprintf(&filename_temp2, "%s.mp3", filename_temp);
remove(filename_temp2);
free(filename_temp2);
}
free(filename_temp);
free(cmd_temp);
printf("Boxing stopped\n");
}
video_cnt++;
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
if(!motion_detection) fprintf(status_file, "ready");
else fprintf(status_file, "md_ready");
fclose(status_file);
}
capturing = 0;
}
}
}
else if((readbuf[0]=='i') && (readbuf[1]=='m')) {
capt_img();
}
else if((readbuf[0]=='t') && (readbuf[1]=='l')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
time_between_pic = atoi(readbuf);
if(time_between_pic) {
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
fprintf(status_file, "timelapse");
fclose(status_file);
}
timelapse = 1;
printf("Timelapse started\n");
}
else {
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
fprintf(status_file, "ready");
fclose(status_file);
}
timelapse = 0;
printf("Timelapse stopped\n");
}
}
else if((readbuf[0]=='s') && (readbuf[1]=='h')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
cam_setting = atoi(readbuf);
MMAL_RATIONAL_T value = {cam_setting, 100};
status = mmal_port_parameter_set_rational(camera->control, MMAL_PARAMETER_SHARPNESS, value);
if(status != MMAL_SUCCESS) error("Could not set sharpness");
printf("Sharpness: %d\n", cam_setting);
}
else if((readbuf[0]=='c') && (readbuf[1]=='o')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
cam_setting = atoi(readbuf);
MMAL_RATIONAL_T value = {cam_setting, 100};
status = mmal_port_parameter_set_rational(camera->control, MMAL_PARAMETER_CONTRAST, value);
if(status != MMAL_SUCCESS) error("Could not set contrast");
printf("Contrast: %d\n", cam_setting);
}
else if((readbuf[0]=='b') && (readbuf[1]=='r')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
cam_setting = atoi(readbuf);
MMAL_RATIONAL_T value = {cam_setting, 100};
status = mmal_port_parameter_set_rational(camera->control, MMAL_PARAMETER_BRIGHTNESS, value);
if(status != MMAL_SUCCESS) error("Could not set brightness");
printf("Brightness: %d\n", cam_setting);
}
else if((readbuf[0]=='s') && (readbuf[1]=='a')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
cam_setting = atoi(readbuf);
MMAL_RATIONAL_T value = {cam_setting, 100};
status = mmal_port_parameter_set_rational(camera->control, MMAL_PARAMETER_SATURATION, value);
if(status != MMAL_SUCCESS) error("Could not set saturation");
printf("Saturation: %d\n", cam_setting);
}
else if((readbuf[0]=='i') && (readbuf[1]=='s')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
cam_setting = atoi(readbuf);
status = mmal_port_parameter_set_uint32(camera->control, MMAL_PARAMETER_ISO, cam_setting);
if(status != MMAL_SUCCESS) error("Could not set ISO");
printf("ISO: %d\n", cam_setting);
}
else if((readbuf[0]=='v') && (readbuf[1]=='s')) {
if(readbuf[3]=='1') {
status = mmal_port_parameter_set_boolean(camera->control, MMAL_PARAMETER_VIDEO_STABILISATION, 1);
printf("Video Stabilisation ON\n");
}
else {
status = mmal_port_parameter_set_boolean(camera->control, MMAL_PARAMETER_VIDEO_STABILISATION, 0);
printf("Video Stabilisation OFF\n");
}
if(status != MMAL_SUCCESS) error("Could not set video stabilisation");
}
else if((readbuf[0]=='e') && (readbuf[1]=='c')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
cam_setting = atoi(readbuf);
status = mmal_port_parameter_set_int32(camera->control, MMAL_PARAMETER_EXPOSURE_COMP, cam_setting);
if(status != MMAL_SUCCESS) error("Could not set exposure compensation");
printf("Exposure Compensation: %d\n", cam_setting);
}
else if((readbuf[0]=='e') && (readbuf[1]=='m')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
MMAL_PARAM_EXPOSUREMODE_T mode = MMAL_PARAM_EXPOSUREMODE_OFF;
if(strcmp(readbuf, " auto") == 0) mode = MMAL_PARAM_EXPOSUREMODE_AUTO;
else if(strcmp(readbuf, " night") == 0) mode = MMAL_PARAM_EXPOSUREMODE_NIGHT;
else if(strcmp(readbuf, " nightpreview") == 0) mode = MMAL_PARAM_EXPOSUREMODE_NIGHTPREVIEW;
else if(strcmp(readbuf, " backlight") == 0) mode = MMAL_PARAM_EXPOSUREMODE_BACKLIGHT;
else if(strcmp(readbuf, " spotlight") == 0) mode = MMAL_PARAM_EXPOSUREMODE_SPOTLIGHT;
else if(strcmp(readbuf, " sports") == 0) mode = MMAL_PARAM_EXPOSUREMODE_SPORTS;
else if(strcmp(readbuf, " snow") == 0) mode = MMAL_PARAM_EXPOSUREMODE_SNOW;
else if(strcmp(readbuf, " beach") == 0) mode = MMAL_PARAM_EXPOSUREMODE_BEACH;
else if(strcmp(readbuf, " verylong") == 0) mode = MMAL_PARAM_EXPOSUREMODE_VERYLONG;
else if(strcmp(readbuf, " fixedfps") == 0) mode = MMAL_PARAM_EXPOSUREMODE_FIXEDFPS;
else if(strcmp(readbuf, " antishake") == 0) mode = MMAL_PARAM_EXPOSUREMODE_ANTISHAKE;
else if(strcmp(readbuf, " fireworks") == 0) mode = MMAL_PARAM_EXPOSUREMODE_FIREWORKS;
MMAL_PARAMETER_EXPOSUREMODE_T exp_mode = {{MMAL_PARAMETER_EXPOSURE_MODE,sizeof(exp_mode)}, mode};
status = mmal_port_parameter_set(camera->control, &exp_mode.hdr);
if(status != MMAL_SUCCESS) error("Could not set exposure mode");
printf("Exposure mode changed\n");
}
else if((readbuf[0]=='w') && (readbuf[1]=='b')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
MMAL_PARAM_AWBMODE_T awb_mode = MMAL_PARAM_AWBMODE_OFF;
if(strcmp(readbuf, " auto") == 0) awb_mode = MMAL_PARAM_AWBMODE_AUTO;
else if(strcmp(readbuf, " auto") == 0) awb_mode = MMAL_PARAM_AWBMODE_AUTO;
else if(strcmp(readbuf, " sun") == 0) awb_mode = MMAL_PARAM_AWBMODE_SUNLIGHT;
else if(strcmp(readbuf, " cloudy") == 0) awb_mode = MMAL_PARAM_AWBMODE_CLOUDY;
else if(strcmp(readbuf, " shade") == 0) awb_mode = MMAL_PARAM_AWBMODE_SHADE;
else if(strcmp(readbuf, " tungsten") == 0) awb_mode = MMAL_PARAM_AWBMODE_TUNGSTEN;
else if(strcmp(readbuf, " fluorescent") == 0) awb_mode = MMAL_PARAM_AWBMODE_FLUORESCENT;
else if(strcmp(readbuf, " incandescent") == 0) awb_mode = MMAL_PARAM_AWBMODE_INCANDESCENT;
else if(strcmp(readbuf, " flash") == 0) awb_mode = MMAL_PARAM_AWBMODE_FLASH;
else if(strcmp(readbuf, " horizon") == 0) awb_mode = MMAL_PARAM_AWBMODE_HORIZON;
MMAL_PARAMETER_AWBMODE_T param = {{MMAL_PARAMETER_AWB_MODE,sizeof(param)}, awb_mode};
status = mmal_port_parameter_set(camera->control, ¶m.hdr);
if(status != MMAL_SUCCESS) error("Could not set white balance");
printf("White balance changed\n");
}
else if((readbuf[0]=='r') && (readbuf[1]=='o')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
cam_setting = atoi(readbuf);
status = mmal_port_parameter_set_int32(camera->output[0], MMAL_PARAMETER_ROTATION, cam_setting);
if(status != MMAL_SUCCESS) error("Could not set rotation (0)");
status = mmal_port_parameter_set_int32(camera->output[1], MMAL_PARAMETER_ROTATION, cam_setting);
if(status != MMAL_SUCCESS) error("Could not set rotation (1)");
status = mmal_port_parameter_set_int32(camera->output[2], MMAL_PARAMETER_ROTATION, cam_setting);
if(status != MMAL_SUCCESS) error("Could not set rotation (2)");
printf("Rotation: %d\n", cam_setting);
}
else if((readbuf[0]=='q') && (readbuf[1]=='u')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
cam_setting = atoi(readbuf);
status = mmal_port_parameter_set_uint32(jpegencoder2->output[0], MMAL_PARAMETER_JPEG_Q_FACTOR, cam_setting);
if(status != MMAL_SUCCESS) error("Could not set quality");
printf("Quality: %d\n", cam_setting);
}
else if((readbuf[0]=='b') && (readbuf[1]=='i')) {
readbuf[0] = ' ';
readbuf[1] = ' ';
readbuf[length] = 0;
cam_setting_long = strtoull(readbuf, NULL, 0);
h264encoder->output[0]->format->bitrate = cam_setting_long;
status = mmal_port_format_commit(h264encoder->output[0]);
if(status != MMAL_SUCCESS) error("Could not set bitrate");
printf("Bitrate: %lu\n", cam_setting_long);
}
else if((readbuf[0]=='r') && (readbuf[1]=='u')) {
if(readbuf[3]=='0') {
stop_all();
idle = 1;
printf("Stream halted\n");
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
fprintf(status_file, "halted");
fclose(status_file);
}
}
else {
start_all();
idle = 0;
printf("Stream continued\n");
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
fprintf(status_file, "ready");
fclose(status_file);
}
}
}
else if((readbuf[0]=='m') && (readbuf[1]=='d')) {
if(readbuf[3]=='0') {
motion_detection = 0;
if(system("killall motion") == -1) error("Could not stop Motion");
printf("Motion detection stopped\n");
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
fprintf(status_file, "ready");
fclose(status_file);
}
}
else {
motion_detection = 1;
if(system("motion") == -1) error("Could not start Motion");
printf("Motion detection started\n");
if(status_filename != 0) {
status_file = fopen(status_filename, "w");
fprintf(status_file, "md_ready");
fclose(status_file);
}
}
}
}
}
if(timelapse) {
tl_cnt++;
if(tl_cnt >= time_between_pic) {
if(capturing == 0) {
capt_img();
tl_cnt = 0;
}
}
}
usleep(100000);
}
printf("SIGINT/SIGTERM received, stopping\n");
//
// tidy up
//
if(!idle) stop_all();
return 0;
}
/**
* main
*/
int main(int argc, const char **argv)
{
// Our main data storage vessel..
RASPIVID_STATE state;
MMAL_STATUS_T status = -1;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
MMAL_PORT_T *encoder_input_port = NULL;
MMAL_PORT_T *encoder_output_port = NULL;
time_t timer_begin,timer_end;
double secondsElapsed;
bcm_host_init();
signal(SIGINT, signal_handler);
// read default status
default_status(&state);
// init windows and OpenCV Stuff
cvNamedWindow("camcvWin", CV_WINDOW_AUTOSIZE);
int w=state.width;
int h=state.height;
int minsz = 20;
int maxsz = 80;
float scalefact = 1.2;
int minneigh = 3;
char tracking = 1;
int i;
// List of long program options, to be passed as "--option=xx"
char *params[] = {"minsize", "maxsize", "scalefactor", "minneighbors", "disabletracking"};
for (i = 1; i < argc; i++)
{
const char *s = argv[i];
int parnum;
if (s[0] == '-' && s[1] == '-')
{
for (parnum = 0; parnum < sizeof(params) / sizeof(*params); parnum++)
{
int len = strlen(params[parnum]);
if (strstr(s + 2, params[parnum]) == s + 2 && s[len + 2] == '=')
{
s += len + 3;
switch (parnum)
{
case 0:
minsz = atoi(s);
break;
case 1:
maxsz = atoi(s);
break;
case 2:
scalefact = atof(s);
break;
case 3:
minneigh = atoi(s);
break;
case 4:
if (!strcmp(s, "true"))
tracking = 0;
else if (!strcmp(s, "false"))
tracking = 1;
else
fprintf(stderr, "Unknown option for --disabletracking: '%s'. Known values are 'true' and 'false'\n", s);
}
break;
}
}
}
}
fprintf(stderr, "Minimum window search size: %dpx\n", minsz);
fprintf(stderr, "Maximum window search size: %dpx\n", maxsz);
fprintf(stderr, "Scale factor: %f\n", scalefact);
fprintf(stderr, "Minimum required neighbors: %d\n", minneigh);
fprintf(stderr, "Tracking: %s\n", tracking ? "true" : "false");
initFaceDetect(state.width, state.height, scalefact, minneigh, minsz, maxsz, tracking);
// create camera
if (!create_camera_component(&state))
{
vcos_log_error("%s: Failed to create camera component", __func__);
}
else if (raspipreview_create(&state.preview_parameters) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
}
else
{
PORT_USERDATA callback_data;
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
VCOS_STATUS_T vcos_status;
callback_data.pstate = &state;
vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
vcos_assert(vcos_status == VCOS_SUCCESS);
// assign data to use for callback
camera_video_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
// init timer
time(&timer_begin);
// start capture
if (mmal_port_parameter_set_boolean(camera_video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
goto error;
}
// Send all the buffers to the video port
int num = mmal_queue_length(state.video_pool->queue);
int q;
for (q=0;q<num;q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.video_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(camera_video_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
}
// Now wait until we need to stop
vcos_sleep(state.timeout);
error:
mmal_status_to_int(status);
// Disable all our ports that are not handled by connections
check_disable_port(camera_still_port);
if (state.camera_component)
mmal_component_disable(state.camera_component);
//destroy_encoder_component(&state);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
}
if (status != 0)
raspicamcontrol_check_configuration(128);
time(&timer_end); /* get current time; same as: timer = time(NULL) */
secondsElapsed = difftime(timer_end,timer_begin);
printf ("%.f seconds for %d frames : FPS = %f\n", secondsElapsed,nCount,(float)((float)(nCount)/secondsElapsed));
return 0;
}
void internelVideoWithDetails(char *filename, int width, int height, int duration) {
RASPISTILL_STATE state;
MMAL_STATUS_T status = MMAL_SUCCESS;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *encoder_input_port = NULL;
MMAL_PORT_T *encoder_output_port = NULL;
FILE *output_file = NULL;
if (width > 1920) {
width = 1920;
} else if (width < 20) {
width = 20;
}
if (height > 1080) {
height = 1080;
} else if (height < 20) {
height = 20;
}
bcm_host_init();
default_status(&state);
state.width = width;
state.height = height;
state.quality = 0;
state.videoEncode = 1;
state.filename = filename;
if ((status = create_video_camera_component(&state)) != MMAL_SUCCESS) {
vcos_log_error("%s: Failed to create camera component", __func__);
} else if ((status = create_video_encoder_component(&state)) != MMAL_SUCCESS) {
vcos_log_error("%s: Failed to create encode component", __func__);
destroy_camera_component(&state);
} else {
PORT_USERDATA callback_data;
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
encoder_input_port = state.encoder_component->input[0];
encoder_output_port = state.encoder_component->output[0];
// Now connect the camera to the encoder
status = connect_ports(camera_video_port, encoder_input_port, &state.encoder_connection);
if (status != MMAL_SUCCESS) {
vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
goto error;
}
// Set up our userdata - this is passed though to the callback where we need the information.
// Null until we open our filename
callback_data.pstate = &state;
if (status != MMAL_SUCCESS) {
vcos_log_error("Failed to setup encoder output");
goto error;
}
if (state.filename) {
output_file = fopen(state.filename, "wb");
callback_data.file_handle = output_file;
callback_data.pstate = &state;
callback_data.abort = 0;
}
encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
int wait;
// Enable the encoder output port and tell it its callback function
status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);
if (mmal_port_parameter_set_boolean(camera_video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS) {
goto error;
}
// Send all the buffers to the encoder output port
{
int num = mmal_queue_length(state.encoder_pool->queue);
int q;
for (q=0;q<num;q++) {
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.encoder_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
}
}
for (wait = 0; wait < duration; wait+= ABORT_INTERVAL) {
vcos_sleep(ABORT_INTERVAL);
if (callback_data.abort)
break;
}
// Disable encoder output port
status = mmal_port_disable(encoder_output_port);
vcos_semaphore_delete(&callback_data.complete_semaphore);
}
error:
mmal_status_to_int(status);
// Disable all our ports that are not handled by connections
check_disable_port(encoder_output_port);
if (output_file && output_file != stdout)
fclose(output_file);
mmal_connection_destroy(state.encoder_connection);
if (state.encoder_component)
mmal_component_disable(state.encoder_component);
if (state.camera_component)
mmal_component_disable(state.camera_component);
destroy_encoder_component(&state);
destroy_camera_component(&state);
if (status != MMAL_SUCCESS)
raspicamcontrol_check_configuration(128);
}
uint8_t *internelPhotoWithDetails(int width, int height, int quality,MMAL_FOURCC_T encoding, PicamParams *parms, long *sizeread) {
RASPISTILL_STATE state;
MMAL_STATUS_T status = MMAL_SUCCESS;
MMAL_PORT_T *preview_input_port = NULL;
MMAL_PORT_T *camera_preview_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *encoder_input_port = NULL;
MMAL_PORT_T *encoder_output_port = NULL;
if (width > 2592) {
width = 2592;
} else if (width < 20) {
width = 20;
}
if (height > 1944) {
height = 1944;
} else if (height < 20) {
height = 20;
}
if (quality > 100) {
quality = 100;
} else if (quality < 0) {
quality = 85;
}
bcm_host_init();
default_status(&state);
state.width = width;
state.height = height;
state.quality = quality;
state.encoding = encoding;
state.videoEncode = 0;
state.camera_parameters.exposureMode = parms->exposure;
state.camera_parameters.exposureMeterMode = parms->meterMode;
state.camera_parameters.awbMode = parms->awbMode;
state.camera_parameters.imageEffect = parms->imageFX;
state.camera_parameters.ISO = parms->ISO;
state.camera_parameters.sharpness = parms->sharpness;
state.camera_parameters.contrast = parms->contrast;
state.camera_parameters.brightness= parms->brightness;
state.camera_parameters.saturation = parms->saturation;
state.camera_parameters.videoStabilisation = parms->videoStabilisation; /// 0 or 1 (false or true)
state.camera_parameters.exposureCompensation = parms->exposureCompensation;
state.camera_parameters.rotation = parms->rotation;
state.camera_parameters.hflip = parms->hflip;
state.camera_parameters.vflip = parms->vflip;
MMAL_COMPONENT_T *preview = 0;
if ((status = create_video_camera_component(&state)) != MMAL_SUCCESS) {
vcos_log_error("%s: Failed to create camera component", __func__);
} else if ((status = mmal_component_create("vc.null_sink", &preview)) != MMAL_SUCCESS) {
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
} else if ((status = create_encoder_component(&state)) != MMAL_SUCCESS) {
vcos_log_error("%s: Failed to create encode component", __func__);
destroy_camera_component(&state);
} else {
status = mmal_component_enable(preview);
state.preview_component = preview;
PORT_USERDATA callback_data;
camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
encoder_input_port = state.encoder_component->input[0];
encoder_output_port = state.encoder_component->output[0];
preview_input_port = state.preview_component->input[0];
status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
VCOS_STATUS_T vcos_status;
// Now connect the camera to the encoder
status = connect_ports(camera_still_port, encoder_input_port, &state.encoder_connection);
if (status != MMAL_SUCCESS) {
vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
goto error;
}
// Set up our userdata - this is passed though to the callback where we need the information.
// Null until we open our filename
callback_data.pstate = &state;
vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "picam-sem", 0);
vcos_assert(vcos_status == VCOS_SUCCESS);
if (status != MMAL_SUCCESS) {
vcos_log_error("Failed to setup encoder output");
goto error;
}
int num, q;
// Enable the encoder output port
encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
// Enable the encoder output port and tell it its callback function
status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);
// Send all the buffers to the encoder output port
num = mmal_queue_length(state.encoder_pool->queue);
for (q=0;q<num;q++) {
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.encoder_pool->queue);
if (!buffer)
vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
}
if (mmal_port_parameter_set_boolean(camera_still_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS) {
vcos_log_error("%s: Failed to start capture", __func__);
} else {
// Wait for capture to complete
// For some reason using vcos_semaphore_wait_timeout sometimes returns immediately with bad parameter error
// even though it appears to be all correct, so reverting to untimed one until figure out why its erratic
vcos_semaphore_wait(&callback_data.complete_semaphore);
}
// Disable encoder output port
status = mmal_port_disable(encoder_output_port);
*sizeread = state.bytesStored;
vcos_semaphore_delete(&callback_data.complete_semaphore);
}
error:
mmal_status_to_int(status);
// Disable all our ports that are not handled by connections
check_disable_port(encoder_output_port);
mmal_connection_destroy(state.encoder_connection);
if (state.encoder_component)
mmal_component_disable(state.encoder_component);
if (state.preview_component) {
mmal_component_disable(state.preview_component);
mmal_component_destroy(state.preview_component);
state.preview_component = NULL;
}
if (state.camera_component)
mmal_component_disable(state.camera_component);
destroy_encoder_component(&state);
destroy_camera_component(&state);
if (status != MMAL_SUCCESS)
raspicamcontrol_check_configuration(128);
return state.filedata;
}
/**
* main
*/
int main(int argc, const char **argv)
{
// Our main data storage vessel..
RASPISTILL_STATE state;
MMAL_STATUS_T status = -1;
MMAL_PORT_T *camera_preview_port = NULL;
MMAL_PORT_T *camera_video_port = NULL;
MMAL_PORT_T *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
MMAL_PORT_T *encoder_input_port = NULL;
MMAL_PORT_T *encoder_output_port = NULL;
bcm_host_init();
clock_t elapsedTime;
time_t timer_begin,timer_end;
double secondsElapsed;
time(&timer_begin); /* get current time; same as: timer = time(NULL) */
// create window
cvNamedWindow("camcvWin", CV_WINDOW_AUTOSIZE);//CV_WINDOW_NORMAL);//CV_WINDOW_AUTOSIZE);
//cvResizeWindow("camcvWin",640,480);
signal(SIGINT, signal_handler);
default_status(&state);
if (!create_camera_component(&state))
{
vcos_log_error("%s: Failed to create camera component", __func__);
}
else if ( (status = raspipreview_create(&state.preview_parameters)) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to create preview component", __func__);
destroy_camera_component(&state);
}
else if (!create_encoder_component(&state))
{
vcos_log_error("%s: Failed to create encode component", __func__);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
}
else
{
PORT_USERDATA callback_data;
// *** PR : we don't want preview
camera_preview_port = NULL;//state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
camera_video_port = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
preview_input_port = state.preview_parameters.preview_component->input[0];
encoder_input_port = state.encoder_component->input[0];
encoder_output_port = state.encoder_component->output[0];
if (state.preview_parameters.wantPreview )
{
// PR : we don't want preview
// Connect camera to preview
// status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
}
VCOS_STATUS_T vcos_status;
// Now connect the camera to the encoder
status = connect_ports(camera_still_port, encoder_input_port, &state.encoder_connection);
if (status != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
goto error;
}
// Set up our userdata - this is passed though to the callback where we need the information.
// Null until we open our filename
//callback_data.file_handle = NULL;
callback_data.pstate = &state;
vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
vcos_assert(vcos_status == VCOS_SUCCESS);
encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
// Enable the encoder output port and tell it its callback function
status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to setup encoder output");
goto error;
}
int num_iterations = 100;
int frame,num,q;
elapsedTime= clock();
printf("time=%d\n",elapsedTime);
for (frame = 1;frame<=num_iterations; frame++)
{
// Send all the buffers to the encoder output port
num = mmal_queue_length(state.encoder_pool->queue);
for (q=0;q<num;q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.encoder_pool->queue);
//if (!buffer)
// vcos_log_error("Unable to get a required buffer %d from pool queue", q);
if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
}
if (mmal_port_parameter_set_boolean(camera_still_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
vcos_log_error("%s: Failed to start capture", __func__);
}
else
{
// Wait for capture to complete
// For some reason using vcos_semaphore_wait_timeout sometimes returns immediately with bad parameter error
// even though it appears to be all correct, so reverting to untimed one until figure out why its erratic
vcos_semaphore_wait(&callback_data.complete_semaphore);
}
} // end for (frame)
vcos_semaphore_delete(&callback_data.complete_semaphore);
// compute elapsed time since begin of the loop and display
error:
mmal_status_to_int(status);
// Disable all our ports that are not handled by connections
check_disable_port(camera_video_port);
check_disable_port(encoder_output_port);
// PR : we don't want preview
//if (state.preview_parameters.wantPreview )
// mmal_connection_destroy(state.preview_connection);
mmal_connection_destroy(state.encoder_connection);
/* Disable components */
if (state.encoder_component)
mmal_component_disable(state.encoder_component);
if (state.preview_parameters.preview_component)
mmal_component_disable(state.preview_parameters.preview_component);
if (state.camera_component)
mmal_component_disable(state.camera_component);
destroy_encoder_component(&state);
raspipreview_destroy(&state.preview_parameters);
destroy_camera_component(&state);
}
if (status != 0)
raspicamcontrol_check_configuration(128);
// compute FPS
time(&timer_end); /* get current time; same as: timer = time(NULL) */
secondsElapsed = difftime(timer_end,timer_begin);
printf ("%.f seconds for %d frames : FPS = %f", secondsElapsed,nbFrames,(float)((float)(nbFrames)/secondsElapsed));
printf("time=%d\n",clock());
elapsedTime=clock()-elapsedTime;
printf ("(time) %d clicks (%f seconds). nb Frames = %d. FPS = %f\n",elapsedTime,((float)elapsedTime)/CLOCKS_PER_SEC, nbFrames, (float)nbFrames/(((float)elapsedTime)/CLOCKS_PER_SEC));
return 0;
}
