void CCamera::updateCameraConfig(){
//Rotation ist nur entlang der Hauptrichtungen definiert.
//irgendwas stimmt auch noch nicht, weil die Rotation den Zoom/Ausschnitt ändert.
if ( CameraComponent != NULL ){
CameraParameters.rotation = (CameraParameters.rotation + 1)%360;
raspicamcontrol_set_all_parameters(CameraComponent, &CameraParameters);
}
}
/**
* Create the camera component, set up its ports
*
* @param state Pointer to state control struct
*
* @return 0 if failed, pointer to component if successful
*
*/
static MMAL_STATUS_T create_camera_component(RASPISTILLYUV_STATE *state)
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
MMAL_POOL_T *pool;
/* Create the component */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to create camera component");
goto error;
}
MMAL_PARAMETER_INT32_T camera_num =
{{MMAL_PARAMETER_CAMERA_NUM, sizeof(camera_num)}, state->cameraNum};
status = mmal_port_parameter_set(camera->control, &camera_num.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Could not select camera : error %d", status);
goto error;
}
if (!camera->output_num)
{
status = MMAL_ENOSYS;
vcos_log_error("Camera doesn't have output ports");
goto error;
}
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
if (state->settings)
{
MMAL_PARAMETER_CHANGE_EVENT_REQUEST_T change_event_request =
{{MMAL_PARAMETER_CHANGE_EVENT_REQUEST, sizeof(MMAL_PARAMETER_CHANGE_EVENT_REQUEST_T)},
MMAL_PARAMETER_CAMERA_SETTINGS, 1};
status = mmal_port_parameter_set(camera->control, &change_event_request.hdr);
if ( status != MMAL_SUCCESS )
{
vcos_log_error("No camera settings events");
}
}
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, camera_control_callback);
if (status != MMAL_SUCCESS )
{
vcos_log_error("Unable to enable control port : error %d", status);
goto error;
}
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config =
{
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof(cam_config) },
.max_stills_w = state->width,
.max_stills_h = state->height,
.stills_yuv422 = 0,
.one_shot_stills = 1,
.max_preview_video_w = state->preview_parameters.previewWindow.width,
.max_preview_video_h = state->preview_parameters.previewWindow.height,
.num_preview_video_frames = 3,
.stills_capture_circular_buffer_height = 0,
.fast_preview_resume = 0,
.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC
};
if (state->fullResPreview)
{
cam_config.max_preview_video_w = state->width;
cam_config.max_preview_video_h = state->height;
}
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
raspicamcontrol_set_all_parameters(camera, &state->camera_parameters);
// Now set up the port formats
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
if(state->camera_parameters.shutter_speed > 6000000)
{
MMAL_PARAMETER_FPS_RANGE_T fps_range = {{MMAL_PARAMETER_FPS_RANGE, sizeof(fps_range)},
{ 50, 1000 }, {166, 1000}};
mmal_port_parameter_set(preview_port, &fps_range.hdr);
}
else if(state->camera_parameters.shutter_speed > 1000000)
{
MMAL_PARAMETER_FPS_RANGE_T fps_range = {{MMAL_PARAMETER_FPS_RANGE, sizeof(fps_range)},
{ 166, 1000 }, {999, 1000}};
mmal_port_parameter_set(preview_port, &fps_range.hdr);
}
if (state->fullResPreview)
{
// In this mode we are forcing the preview to be generated from the full capture resolution.
// This runs at a max of 15fps with the OV5647 sensor.
format->es->video.width = VCOS_ALIGN_UP(state->width, 32);
format->es->video.height = VCOS_ALIGN_UP(state->height, 16);
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = FULL_RES_PREVIEW_FRAME_RATE_NUM;
format->es->video.frame_rate.den = FULL_RES_PREVIEW_FRAME_RATE_DEN;
}
else
{
// Use a full FOV 4:3 mode
format->es->video.width = VCOS_ALIGN_UP(state->preview_parameters.previewWindow.width, 32);
format->es->video.height = VCOS_ALIGN_UP(state->preview_parameters.previewWindow.height, 16);
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->preview_parameters.previewWindow.width;
format->es->video.crop.height = state->preview_parameters.previewWindow.height;
format->es->video.frame_rate.num = PREVIEW_FRAME_RATE_NUM;
format->es->video.frame_rate.den = PREVIEW_FRAME_RATE_DEN;
}
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS )
{
vcos_log_error("camera viewfinder format couldn't be set");
goto error;
}
// Set the same format on the video port (which we dont use here)
mmal_format_full_copy(video_port->format, format);
status = mmal_port_format_commit(video_port);
if (status != MMAL_SUCCESS )
{
vcos_log_error("camera video format couldn't be set");
goto error;
}
// Ensure there are enough buffers to avoid dropping frames
if (video_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
video_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
format = still_port->format;
if(state->camera_parameters.shutter_speed > 6000000)
{
MMAL_PARAMETER_FPS_RANGE_T fps_range = {{MMAL_PARAMETER_FPS_RANGE, sizeof(fps_range)},
{ 50, 1000 }, {166, 1000}};
mmal_port_parameter_set(still_port, &fps_range.hdr);
}
else if(state->camera_parameters.shutter_speed > 1000000)
{
MMAL_PARAMETER_FPS_RANGE_T fps_range = {{MMAL_PARAMETER_FPS_RANGE, sizeof(fps_range)},
{ 167, 1000 }, {999, 1000}};
mmal_port_parameter_set(still_port, &fps_range.hdr);
}
// Set our stills format on the stills port
if (state->useRGB)
{
format->encoding = MMAL_ENCODING_BGR24;
format->encoding_variant = MMAL_ENCODING_BGR24;
}
else
{
format->encoding = MMAL_ENCODING_I420;
format->encoding_variant = MMAL_ENCODING_I420;
}
format->es->video.width = VCOS_ALIGN_UP(state->width, 32);
format->es->video.height = VCOS_ALIGN_UP(state->height, 16);
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = STILLS_FRAME_RATE_NUM;
format->es->video.frame_rate.den = STILLS_FRAME_RATE_DEN;
if (still_port->buffer_size < still_port->buffer_size_min)
still_port->buffer_size = still_port->buffer_size_min;
still_port->buffer_num = still_port->buffer_num_recommended;
status = mmal_port_format_commit(still_port);
if (status != MMAL_SUCCESS )
{
vcos_log_error("camera still format couldn't be set");
goto error;
}
/* Enable component */
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS )
{
vcos_log_error("camera component couldn't be enabled");
goto error;
}
/* Create pool of buffer headers for the output port to consume */
pool = mmal_port_pool_create(still_port, still_port->buffer_num, still_port->buffer_size);
if (!pool)
{
vcos_log_error("Failed to create buffer header pool for camera still port %s", still_port->name);
}
state->camera_pool = pool;
state->camera_component = camera;
if (state->verbose)
fprintf(stderr, "Camera component done\n");
return status;
error:
if (camera)
mmal_component_destroy(camera);
return status;
}
/**
* Create the camera component, set up its ports
*
* @param state Pointer to state control struct. camera_component member set to the created camera_component if successfull.
*
* @return MMAL_SUCCESS if all OK, something else otherwise
*
*/
static MMAL_STATUS_T create_camera_component(RASPISTILL_STATE *state)
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
/* Create the component */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to create camera component");
goto error;
}
if (!camera->output_num)
{
status = MMAL_ENOSYS;
vcos_log_error("Camera doesn't have output ports");
goto error;
}
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, camera_control_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to enable control port : error %d", status);
goto error;
}
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config =
{
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof(cam_config) },
.max_stills_w = state->width,
.max_stills_h = state->height,
.stills_yuv422 = 0,
.one_shot_stills = 1,
.max_preview_video_w = state->preview_parameters.previewWindow.width,
.max_preview_video_h = state->preview_parameters.previewWindow.height,
.num_preview_video_frames = 3,
.stills_capture_circular_buffer_height = 0,
.fast_preview_resume = 0,
.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC
};
if (state->fullResPreview)
{
cam_config.max_preview_video_w = state->width;
cam_config.max_preview_video_h = state->height;
}
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
raspicamcontrol_set_all_parameters(camera, &state->camera_parameters);
// Now set up the port formats
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
if (state->fullResPreview)
{
// In this mode we are forcing the preview to be generated from the full capture resolution.
// This runs at a max of 15fps with the OV5647 sensor.
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = FULL_RES_PREVIEW_FRAME_RATE_NUM;
format->es->video.frame_rate.den = FULL_RES_PREVIEW_FRAME_RATE_DEN;
}
else
{
// use our normal preview mode - probably 1080p30
format->es->video.width = state->preview_parameters.previewWindow.width;
format->es->video.height = state->preview_parameters.previewWindow.height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->preview_parameters.previewWindow.width;
format->es->video.crop.height = state->preview_parameters.previewWindow.height;
format->es->video.frame_rate.num = PREVIEW_FRAME_RATE_NUM;
format->es->video.frame_rate.den = PREVIEW_FRAME_RATE_DEN;
}
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera viewfinder format couldn't be set");
goto error;
}
// Set the same format on the video port (which we dont use here)
mmal_format_full_copy(video_port->format, format);
status = mmal_port_format_commit(video_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera video format couldn't be set");
goto error;
}
// Ensure there are enough buffers to avoid dropping frames
if (video_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
video_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
format = still_port->format;
// Set our stills format on the stills (for encoder) port
format->encoding = MMAL_ENCODING_OPAQUE;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = STILLS_FRAME_RATE_NUM;
format->es->video.frame_rate.den = STILLS_FRAME_RATE_DEN;
status = mmal_port_format_commit(still_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera still format couldn't be set");
goto error;
}
/* Ensure there are enough buffers to avoid dropping frames */
if (still_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
still_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
/* Enable component */
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera component couldn't be enabled");
goto error;
}
state->camera_component = camera;
if (state->verbose)
fprintf(stderr, "Camera component done\n");
return status;
error:
if (camera)
mmal_component_destroy(camera);
return status;
}
MMAL_COMPONENT_T* CCamera::createCameraComponentAndSetupPorts()
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
//create the camera component
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
printf("Failed to create camera component\n");
return NULL;
}
//check we have output ports
if (!camera->output_num)
{
printf("Camera doesn't have output ports");
mmal_component_destroy(camera);
return NULL;
}
//get the 3 ports
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, CameraControlCallback);
if (status != MMAL_SUCCESS)
{
printf("Unable to enable control port : error %d", status);
mmal_component_destroy(camera);
return NULL;
}
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config;
cam_config.hdr.id = MMAL_PARAMETER_CAMERA_CONFIG;
cam_config.hdr.size = sizeof(cam_config);
cam_config.max_stills_w = Width;
cam_config.max_stills_h = Height;
cam_config.stills_yuv422 = 0;
cam_config.one_shot_stills = 0;
cam_config.max_preview_video_w = Width;
cam_config.max_preview_video_h = Height;
cam_config.num_preview_video_frames = 3;
cam_config.stills_capture_circular_buffer_height = 0;
cam_config.fast_preview_resume = 0;
cam_config.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC;
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
// setup preview port format - QUESTION: Needed if we aren't using preview?
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = Width;
format->es->video.height = Height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = Width;
format->es->video.crop.height = Height;
format->es->video.frame_rate.num = FrameRate;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set preview port format : error %d", status);
mmal_component_destroy(camera);
return NULL;
}
//setup video port format
format = video_port->format;
format->encoding = MMAL_ENCODING_I420;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = Width;
format->es->video.height = Height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = Width;
format->es->video.crop.height = Height;
format->es->video.frame_rate.num = FrameRate;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(video_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set video port format : error %d", status);
mmal_component_destroy(camera);
return NULL;
}
//setup still port format
format = still_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = Width;
format->es->video.height = Height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = Width;
format->es->video.crop.height = Height;
format->es->video.frame_rate.num = 1;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(still_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set still port format : error %d", status);
mmal_component_destroy(camera);
return NULL;
}
//apply all camera parameters
raspicamcontrol_set_all_parameters(camera, &CameraParameters);
//enable the camera
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS)
{
printf("Couldn't enable camera\n");
mmal_component_destroy(camera);
return NULL;
}
return camera;
}
/**
* Create the camera component, set up its ports
*
* @param state Pointer to state control struct
*
* @return 0 if failed, pointer to component if successful
*
*/
static MMAL_COMPONENT_T *create_camera_component(RASPISTILLYUV_STATE *state)
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
MMAL_POOL_T *pool;
/* Create the component */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to create camera component");
goto error;
}
if (!camera->output_num)
{
vcos_log_error("Camera doesn't have output ports");
goto error;
}
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, camera_control_callback);
if (status)
{
vcos_log_error("Unable to enable control port : error %d", status);
goto error;
}
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config =
{
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof(cam_config) },
.max_stills_w = state->width,
.max_stills_h = state->height,
.stills_yuv422 = 0,
.one_shot_stills = 0,
.max_preview_video_w = state->preview_parameters.previewWindow.width,
.max_preview_video_h = state->preview_parameters.previewWindow.height,
.num_preview_video_frames = 3,
.stills_capture_circular_buffer_height = 0,
.fast_preview_resume = 0,
.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC
};
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
raspicamcontrol_set_all_parameters(camera, &state->camera_parameters);
// Now set up the port formats
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = state->preview_parameters.previewWindow.width;
format->es->video.height = state->preview_parameters.previewWindow.height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->preview_parameters.previewWindow.width;
format->es->video.crop.height = state->preview_parameters.previewWindow.height;
format->es->video.frame_rate.num = PREVIEW_FRAME_RATE_NUM;
format->es->video.frame_rate.den = PREVIEW_FRAME_RATE_DEN;
status = mmal_port_format_commit(preview_port);
if (status)
{
vcos_log_error("camera viewfinder format couldn't be set");
goto error;
}
// Set the same format on the video port (which we dont use here)
mmal_format_full_copy(video_port->format, format);
status = mmal_port_format_commit(video_port);
if (status)
{
vcos_log_error("camera video format couldn't be set");
goto error;
}
// Ensure there are enough buffers to avoid dropping frames
if (video_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
video_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
format = still_port->format;
// Set our stills format on the stills port
format->encoding = MMAL_ENCODING_I420;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = STILLS_FRAME_RATE_NUM;
format->es->video.frame_rate.den = STILLS_FRAME_RATE_DEN;
if (still_port->buffer_size < still_port->buffer_size_min)
still_port->buffer_size = still_port->buffer_size_min;
still_port->buffer_num = still_port->buffer_num_recommended;
status = mmal_port_format_commit(still_port);
if (status)
{
vcos_log_error("camera still format couldn't be set");
goto error;
}
/* Enable component */
status = mmal_component_enable(camera);
if (status)
{
vcos_log_error("camera component couldn't be enabled");
goto error;
}
/* Create pool of buffer headers for the output port to consume */
pool = mmal_port_pool_create(still_port, still_port->buffer_num, still_port->buffer_size);
if (!pool)
{
vcos_log_error("Failed to create buffer header pool for camera still port %s", still_port->name);
}
state->camera_pool = pool;
state->camera_component = camera;
if (state->verbose)
printf("Camera component done\n");
return camera;
error:
if (camera)
mmal_component_destroy(camera);
return 0;
}
/**
* Create the camera component, set up its ports
*
* @param state Pointer to state control struct
*
* @return 0 if failed, pointer to component if successful
*
*/
static MMAL_COMPONENT_T *create_camera_component(RASPIVID_STATE *state)
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
/* Create the component */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to create camera component");
goto error;
}
if (!camera->output_num)
{
vcos_log_error("Camera doesn't have output ports");
goto error;
}
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config =
{
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof(cam_config) },
.max_stills_w = state->width,
.max_stills_h = state->height,
.stills_yuv422 = 0,
.one_shot_stills = 0,
.max_preview_video_w = state->width,
.max_preview_video_h = state->height,
.num_preview_video_frames = 3,
.stills_capture_circular_buffer_height = 0,
.fast_preview_resume = 0,
.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC
};
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
// Set the encode format on the video port
format = video_port->format;
format->encoding_variant = MMAL_ENCODING_I420;
format->encoding = MMAL_ENCODING_I420;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = state->framerate;
format->es->video.frame_rate.den = VIDEO_FRAME_RATE_DEN;
status = mmal_port_format_commit(video_port);
if (status)
{
vcos_log_error("camera video format couldn't be set");
goto error;
}
// PR : plug the callback to the video port
status = mmal_port_enable(video_port, video_buffer_callback);
if (status)
{
vcos_log_error("camera video callback2 error");
goto error;
}
// Ensure there are enough buffers to avoid dropping frames
if (video_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
video_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
// Set the encode format on the still port
format = still_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = 1;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(still_port);
if (status)
{
vcos_log_error("camera still format couldn't be set");
goto error;
}
//PR : create pool of message on video port
MMAL_POOL_T *pool;
video_port->buffer_size = video_port->buffer_size_recommended;
video_port->buffer_num = video_port->buffer_num_recommended;
pool = mmal_port_pool_create(video_port, video_port->buffer_num, video_port->buffer_size);
if (!pool)
{
vcos_log_error("Failed to create buffer header pool for video output port");
}
state->video_pool = pool;
/* Ensure there are enough buffers to avoid dropping frames */
if (still_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
still_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
/* Enable component */
status = mmal_component_enable(camera);
if (status)
{
vcos_log_error("camera component couldn't be enabled");
goto error;
}
raspicamcontrol_set_all_parameters(camera, &state->camera_parameters);
state->camera_component = camera;
return camera;
error:
if (camera)
mmal_component_destroy(camera);
return 0;
}
/**
* Create the camera component, set up its ports
*
* @param state Pointer to state control struct
*
* @return MMAL_SUCCESS if all OK, something else otherwise
*
*/
static MMAL_STATUS_T create_camera_component(RASPIVID_STATE *state)
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
/* Create the component */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to create camera component");
goto error;
}
if (!camera->output_num)
{
status = MMAL_ENOSYS;
vcos_log_error("Camera doesn't have output ports");
goto error;
}
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, camera_control_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to enable control port : error %d", status);
goto error;
}
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config =
{
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof(cam_config) },
.max_stills_w = state->width,
.max_stills_h = state->height,
.stills_yuv422 = 0,
.one_shot_stills = 0,
.max_preview_video_w = state->width,
.max_preview_video_h = state->height,
.num_preview_video_frames = 3,
.stills_capture_circular_buffer_height = 0,
.fast_preview_resume = 0,
.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC
};
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
// Now set up the port formats
// Set the encode format on the Preview port
// HW limitations mean we need the preview to be the same size as the required recorded output
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->encoding = MMAL_ENCODING_OPAQUE;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = state->framerate;
format->es->video.frame_rate.den = VIDEO_FRAME_RATE_DEN;
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera viewfinder format couldn't be set");
goto error;
}
// Set the encode format on the video port
format = video_port->format;
format->encoding_variant = MMAL_ENCODING_I420;
format->encoding = MMAL_ENCODING_OPAQUE;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = state->framerate;
format->es->video.frame_rate.den = VIDEO_FRAME_RATE_DEN;
status = mmal_port_format_commit(video_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera video format couldn't be set");
goto error;
}
// Ensure there are enough buffers to avoid dropping frames
if (video_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
video_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
// Set the encode format on the still port
format = still_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = 1;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(still_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera still format couldn't be set");
goto error;
}
/* Ensure there are enough buffers to avoid dropping frames */
if (still_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
still_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
/* Enable component */
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera component couldn't be enabled");
goto error;
}
raspicamcontrol_set_all_parameters(camera, &state->camera_parameters);
state->camera_component = camera;
if (state->verbose)
fprintf(stderr, "Camera component done\n");
return status;
error:
if (camera)
mmal_component_destroy(camera);
return status;
}
/**
* Reset the camera component, set up its ports
*
* @param state Pointer to state control struct
*
* @return MMAL_SUCCESS if all OK, something else otherwise
*
*/
MMAL_STATUS_T reset_camera_component(RASPIVID_STATE *state)
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
/* Get the camera component */
if( state->camera_component == NULL ) {
vcos_log_error("camera component does not exist");
}
else {
camera = state->camera_component;
}
#ifdef __NOT_REQURED__
status = raspicamcontrol_set_stereo_mode(camera->output[0], &state->camera_parameters.stereo_mode);
status += raspicamcontrol_set_stereo_mode(camera->output[1], &state->camera_parameters.stereo_mode);
status += raspicamcontrol_set_stereo_mode(camera->output[2], &state->camera_parameters.stereo_mode);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Could not set stereo mode : error %d", status);
goto error;
}
MMAL_PARAMETER_INT32_T camera_num =
{{MMAL_PARAMETER_CAMERA_NUM, sizeof(camera_num)}, state->cameraNum};
status = mmal_port_parameter_set(camera->control, &camera_num.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Could not select camera : error %d", status);
goto error;
}
if (!camera->output_num)
{
status = MMAL_ENOSYS;
vcos_log_error("Camera doesn't have output ports");
goto error;
}
status = mmal_port_parameter_set_uint32(camera->control, MMAL_PARAMETER_CAMERA_CUSTOM_SENSOR_CONFIG, state->sensor_mode);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Could not set sensor mode : error %d", status);
goto error;
}
#endif /* NOT_REQUIRED */
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
#ifdef __NOT_REQURED__
if (state->settings)
{
MMAL_PARAMETER_CHANGE_EVENT_REQUEST_T change_event_request =
{ {MMAL_PARAMETER_CHANGE_EVENT_REQUEST, sizeof(MMAL_PARAMETER_CHANGE_EVENT_REQUEST_T)},
MMAL_PARAMETER_CAMERA_SETTINGS, 1
};
status = mmal_port_parameter_set(camera->control, &change_event_request.hdr);
if ( status != MMAL_SUCCESS )
{
vcos_log_error("No camera settings events");
}
}
#endif /* NOT_REQUIRED */
//
mmal_encoder_set_camera_settings(camera);
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, camera_control_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to enable control port : error %d", status);
goto error;
}
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config =
{
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof(cam_config) },
.max_stills_w = state->width,
.max_stills_h = state->height,
.stills_yuv422 = 0,
.one_shot_stills = 0,
.max_preview_video_w = state->width,
.max_preview_video_h = state->height,
.num_preview_video_frames = 3,
.stills_capture_circular_buffer_height = 0,
.fast_preview_resume = 0,
.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RAW_STC
};
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
// Now set up the port formats
// Set the encode format on the Preview port
// HW limitations mean we need the preview to be the same size as the required recorded output
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
if(state->camera_parameters.shutter_speed > 6000000)
{
MMAL_PARAMETER_FPS_RANGE_T fps_range = {{MMAL_PARAMETER_FPS_RANGE, sizeof(fps_range)},
{ 50, 1000 }, {166, 1000}
};
mmal_port_parameter_set(preview_port, &fps_range.hdr);
}
else if(state->camera_parameters.shutter_speed > 1000000)
{
MMAL_PARAMETER_FPS_RANGE_T fps_range = {{MMAL_PARAMETER_FPS_RANGE, sizeof(fps_range)},
{ 166, 1000 }, {999, 1000}
};
mmal_port_parameter_set(preview_port, &fps_range.hdr);
}
//enable dynamic framerate if necessary
if (state->camera_parameters.shutter_speed)
{
if (state->framerate > 1000000./state->camera_parameters.shutter_speed)
{
state->framerate=0;
if (state->verbose)
DLOG("Enable dynamic frame rate to fulfil shutter speed requirement");
}
}
format->encoding = MMAL_ENCODING_OPAQUE;
format->es->video.width = VCOS_ALIGN_UP(state->width, 32);
format->es->video.height = VCOS_ALIGN_UP(state->height, 16);
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = PREVIEW_FRAME_RATE_NUM;
format->es->video.frame_rate.den = PREVIEW_FRAME_RATE_DEN;
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera viewfinder format couldn't be set");
goto error;
}
// Set the encode format on the video port
format = video_port->format;
format->encoding_variant = MMAL_ENCODING_I420;
if(state->camera_parameters.shutter_speed > 6000000)
{
MMAL_PARAMETER_FPS_RANGE_T fps_range = {{MMAL_PARAMETER_FPS_RANGE, sizeof(fps_range)},
{ 50, 1000 }, {166, 1000}
};
mmal_port_parameter_set(video_port, &fps_range.hdr);
}
else if(state->camera_parameters.shutter_speed > 1000000)
{
MMAL_PARAMETER_FPS_RANGE_T fps_range = {{MMAL_PARAMETER_FPS_RANGE, sizeof(fps_range)},
{ 167, 1000 }, {999, 1000}
};
mmal_port_parameter_set(video_port, &fps_range.hdr);
}
format->encoding = MMAL_ENCODING_OPAQUE;
format->es->video.width = VCOS_ALIGN_UP(state->width, 32);
format->es->video.height = VCOS_ALIGN_UP(state->height, 16);
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = state->framerate;
format->es->video.frame_rate.den = VIDEO_FRAME_RATE_DEN;
status = mmal_port_format_commit(video_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera video format couldn't be set");
goto error;
}
// Ensure there are enough buffers to avoid dropping frames
if (video_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
video_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
// Set the encode format on the still port
format = still_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = VCOS_ALIGN_UP(state->width, 32);
format->es->video.height = VCOS_ALIGN_UP(state->height, 16);
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = 0;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(still_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera still format couldn't be set");
goto error;
}
/* Ensure there are enough buffers to avoid dropping frames */
if (still_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
still_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
/* Enable component */
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera component couldn't be enabled");
goto error;
}
raspicamcontrol_set_all_parameters(camera, &state->camera_parameters);
state->camera_component = camera;
update_annotation_data(state);
return status;
error:
if (camera)
mmal_component_destroy(camera);
return status;
}
void create_camera_component(int Width, int Height, int FrameRate){
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_STATUS_T status;
/* Create the component */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS) {
printf("Failed to create camera component : error %d\n", status);
exit(1);
}
if (!camera->output_num) {
status = MMAL_ENOSYS;
printf("Camera doesn't have output ports\n");
exit(1);
}
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, camera_control_callback);
if (status != MMAL_SUCCESS) {
printf("Unable to enable control port : error %d\n", status);
mmal_component_destroy(camera);
exit(1);
}
//set camera parameters.
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config;
cam_config.hdr = MMAL_PARAMETER_CAMERA_CONFIG;
cam_config.hdr.size = sizeof(cam_config);
cam_config.max_stills_w = Width;
cam_config.max_stills_h = Height;
cam_config.stills_yuv422 = 0;
cam_config.one_shot_stills = 0;
cam_config.max_preview_video_w = Width;
cam_config.max_preview_video_h = Height;
cam_config.num_preview_video_frames = 3;
cam_config.stills_capture_circular_buffer_height = 0;
cam_config.fast_preview_resume = 0;
cam_config.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC;
status = mmal_port_parameter_set(camera->control, &cam_config.hdr);
if (status != MMAL_SUCCESS) {
printf("Unable to set camera parameters : error %d\n", status);
mmal_component_destroy(camera);
exit(1);
}
// setup preview port format - QUESTION: Needed if we aren't using preview?
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = Width;
format->es->video.height = Height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = Width;
format->es->video.crop.height = Height;
format->es->video.frame_rate.num = FrameRate;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set preview port format : error %d\n", status);
mmal_component_destroy(camera);
exit(1);
}
//setup video port format
format = video_port->format;
format->encoding = MMAL_ENCODING_I420;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = Width;
format->es->video.height = Height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = Width;
format->es->video.crop.height = Height;
format->es->video.frame_rate.num = FrameRate;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(video_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set video port format : error %d\n", status);
mmal_component_destroy(camera);
exit(1);
}
//setup still port format
format = still_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = Width;
format->es->video.height = Height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = Width;
format->es->video.crop.height = Height;
format->es->video.frame_rate.num = 1;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(still_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set still port format : error %d\n", status);
mmal_component_destroy(camera);
exit(1);
}
status = mmal_port_parameter_set_boolean(preview_port,
MMAL_PARAMETER_ZERO_COPY, MMAL_TRUE);
if (status != MMAL_SUCCESS)
{
printf("Failed to enable zero copy on camera video port\n");
exit(1);
}
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS)
{
printf("camera format couldn't be set\n");
exit(1);
}
/* For GL a pool of opaque buffer handles must be allocated in the client.
* These buffers are used to create the EGL images.
*/
preview_port->buffer_num = 3;
preview_port->buffer_size = preview_port->buffer_size_recommended;
/* Pool + queue to hold preview frames */
video_pool = mmal_port_pool_create(preview_port,preview_port->buffer_num,preview_port->buffer_size);
if (!video_pool)
{
printf("Error allocating camera video pool. Buffer num: %d Buffer size: %d\n", preview_port->buffer_num, preview_port->buffer_size);
status = MMAL_ENOMEM;
exit(1);
}
printf("Allocated %d MMAL buffers of size %d.\n", preview_port->buffer_num, preview_port->buffer_size);
/* Place filled buffers from the preview port in a queue to render */
video_queue = mmal_queue_create();
if (!video_queue)
{
printf("Error allocating video buffer queue\n");
status = MMAL_ENOMEM;
exit(1);
}
/* Enable video port callback */
//port->userdata = (struct MMAL_PORT_USERDATA_T *)this;
status = mmal_port_enable(preview_port, video_output_callback);
if (status != MMAL_SUCCESS)
{
printf("Failed to enable video port\n");
exit(1);
}
// Set up the camera_parameters to default
raspicamcontrol_set_defaults(&cameraParameters);
//apply all camera parameters
raspicamcontrol_set_all_parameters(camera, &cameraParameters);
//enable the camera
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS)
{
printf("Couldn't enable camera\n\n");
mmal_component_destroy(camera);
exit(1);
}
//send all the buffers in our pool to the video port ready for use
{
int num = mmal_queue_length(video_pool->queue);
int q;
for (q=0;q<num;q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(video_pool->queue);
if (!buffer)
{
printf("Unable to get a required buffer %d from pool queue\n\n", q);
exit(1);
}
else if (mmal_port_send_buffer(preview_port, buffer)!= MMAL_SUCCESS)
{
printf("Unable to send a buffer to port (%d)\n\n", q);
exit(1);
}
}
}
/*
//begin capture
if (mmal_port_parameter_set_boolean(preview_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
printf("Failed to start capture\n\n");
exit(1);
}
*/
printf("Camera initialized.\n");
//Setup the camera's textures and EGL images.
glGenTextures(1, &cam_ytex);
glGenTextures(1, &cam_utex);
glGenTextures(1, &cam_vtex);
return;
}