int Private_Impl_Still::createCamera() {
if ( mmal_component_create ( MMAL_COMPONENT_DEFAULT_CAMERA, &camera ) ) {
cout << API_NAME << ": Failed to create camera component.\n";
destroyCamera();
return -1;
}
if ( !camera->output_num ) {
cout << API_NAME << ": Camera does not have output ports!\n";
destroyCamera();
return -1;
}
camera_still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// Enable the camera, and tell it its control callback function
if ( mmal_port_enable ( camera->control, control_callback ) ) {
cout << API_NAME << ": Could not enable control port.\n";
destroyCamera();
return -1;
}
MMAL_PARAMETER_CAMERA_CONFIG_T camConfig = {
{MMAL_PARAMETER_CAMERA_CONFIG, sizeof ( camConfig ) },
width, // max_stills_w
height, // max_stills_h
0, // stills_yuv422
1, // one_shot_stills
width, // max_preview_video_w
height, // max_preview_video_h
3, // num_preview_video_frames
0, // stills_capture_circular_buffer_height
0, // fast_preview_resume
MMAL_PARAM_TIMESTAMP_MODE_RESET_STC // use_stc_timestamp
};
if ( mmal_port_parameter_set ( camera->control, &camConfig.hdr ) != MMAL_SUCCESS )
cout << API_NAME << ": Could not set port parameters.\n";
commitParameters();
MMAL_ES_FORMAT_T * format = camera_still_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
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 = STILLS_FRAME_RATE_NUM;
format->es->video.frame_rate.den = STILLS_FRAME_RATE_DEN;
if ( camera_still_port->buffer_size < camera_still_port->buffer_size_min )
camera_still_port->buffer_size = camera_still_port->buffer_size_min;
camera_still_port->buffer_num = camera_still_port->buffer_num_recommended;
if ( mmal_port_format_commit ( camera_still_port ) ) {
cout << API_NAME << ": Camera still format could not be set.\n";
destroyCamera();
return -1;
}
if ( mmal_component_enable ( camera ) ) {
cout << API_NAME << ": Camera component could not be enabled.\n";
destroyCamera();
return -1;
}
if ( ! ( encoder_pool = mmal_port_pool_create ( camera_still_port, camera_still_port->buffer_num, camera_still_port->buffer_size ) ) ) {
cout << API_NAME << ": Failed to create buffer header pool for camera.\n";
destroyCamera();
return -1;
}
return 0;
}
void Private_Impl_Still::commitExposure() {
MMAL_PARAMETER_EXPOSUREMODE_T exp_mode = {{MMAL_PARAMETER_EXPOSURE_MODE,sizeof ( exp_mode ) }, convertExposure ( exposure ) };
if ( mmal_port_parameter_set ( camera->control, &exp_mode.hdr ) != MMAL_SUCCESS )
cout << API_NAME << ": Failed to set exposure parameter.\n";
}
/**
* 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_video_camera_component(RASPISTILL_STATE *state)
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *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;
}
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 = 640,
.max_preview_video_h = 480,
.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
// 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;
if (state->videoEncode == 1) {
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;
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;
return status;
error:
if (camera)
mmal_component_destroy(camera);
return status;
}
/**
* Create the encoder 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_video_encoder_component(RASPISTILL_STATE *state)
{
MMAL_COMPONENT_T *encoder = 0;
MMAL_PORT_T *encoder_input = NULL, *encoder_output = NULL;
MMAL_STATUS_T status;
MMAL_POOL_T *pool;
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_ENCODER, &encoder);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to create video encoder component");
goto error;
}
if (!encoder->input_num || !encoder->output_num)
{
status = MMAL_ENOSYS;
vcos_log_error("Video encoder doesn't have input/output ports");
goto error;
}
encoder_input = encoder->input[0];
encoder_output = encoder->output[0];
// We want same format on input and output
mmal_format_copy(encoder_output->format, encoder_input->format);
// Only supporting H264 at the moment
encoder_output->format->encoding = MMAL_ENCODING_H264;
encoder_output->format->bitrate = state->bitrate;
encoder_output->buffer_size = encoder_output->buffer_size_recommended;
if (encoder_output->buffer_size < encoder_output->buffer_size_min)
encoder_output->buffer_size = encoder_output->buffer_size_min;
encoder_output->buffer_num = encoder_output->buffer_num_recommended;
if (encoder_output->buffer_num < encoder_output->buffer_num_min)
encoder_output->buffer_num = encoder_output->buffer_num_min;
// Commit the port changes to the output port
status = mmal_port_format_commit(encoder_output);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set format on video encoder output port");
goto error;
}
// Set the rate control parameter
if (0)
{
MMAL_PARAMETER_VIDEO_RATECONTROL_T param = {{ MMAL_PARAMETER_RATECONTROL, sizeof(param)}, MMAL_VIDEO_RATECONTROL_DEFAULT};
status = mmal_port_parameter_set(encoder_output, ¶m.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set ratecontrol");
goto error;
}
}
if (state->intraperiod)
{
MMAL_PARAMETER_UINT32_T param = {{ MMAL_PARAMETER_INTRAPERIOD, sizeof(param)}, state->intraperiod};
status = mmal_port_parameter_set(encoder_output, ¶m.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set intraperiod");
goto error;
}
}
if (mmal_port_parameter_set_boolean(encoder_input, MMAL_PARAMETER_VIDEO_IMMUTABLE_INPUT, state->immutableInput) != MMAL_SUCCESS)
{
vcos_log_error("Unable to set immutable input flag");
// Continue rather than abort..
}
// Enable component
status = mmal_component_enable(encoder);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to enable video encoder component");
goto error;
}
/* Create pool of buffer headers for the output port to consume */
pool = mmal_port_pool_create(encoder_output, encoder_output->buffer_num, encoder_output->buffer_size);
if (!pool)
{
vcos_log_error("Failed to create buffer header pool for encoder output port %s", encoder_output->name);
}
state->encoder_pool = pool;
state->encoder_component = encoder;
return status;
error:
if (encoder)
mmal_component_destroy(encoder);
return status;
}
/**
* Create 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 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;
}
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;
}
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");
}
}
//
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;
}
/**
* Create the encoder component, set up its ports
*
* @param state Pointer to state control struct
*
* @return MMAL_SUCCESS if all OK, something else otherwise
*
*/
MMAL_STATUS_T create_encoder_component(RASPIVID_STATE *state)
{
MMAL_COMPONENT_T *encoder = 0;
MMAL_PORT_T *encoder_input = NULL, *encoder_output = NULL;
MMAL_STATUS_T status;
MMAL_POOL_T *pool;
// Create encoder component
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_ENCODER, &encoder);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to create video encoder component");
goto error;
}
if (!encoder->input_num || !encoder->output_num)
{
status = MMAL_ENOSYS;
vcos_log_error("Video encoder doesn't have input/output ports");
goto error;
}
encoder_input = encoder->input[0];
encoder_output = encoder->output[0];
// We want same format on input and output
mmal_format_copy(encoder_output->format, encoder_input->format);
// Only supporting H264 at the moment
encoder_output->format->encoding = state->encoding;
encoder_output->format->bitrate = state->bitrate;
if (state->encoding == MMAL_ENCODING_H264)
encoder_output->buffer_size = encoder_output->buffer_size_recommended;
else
encoder_output->buffer_size = 256<<10;
if (encoder_output->buffer_size < encoder_output->buffer_size_min)
encoder_output->buffer_size = encoder_output->buffer_size_min;
encoder_output->buffer_num = encoder_output->buffer_num_recommended;
if (encoder_output->buffer_num < encoder_output->buffer_num_min)
encoder_output->buffer_num = encoder_output->buffer_num_min;
// We need to set the frame rate on output to 0, to ensure it gets
// updated correctly from the input framerate when port connected
encoder_output->format->es->video.frame_rate.num = 0;
encoder_output->format->es->video.frame_rate.den = 1;
// Commit the port changes to the output port
status = mmal_port_format_commit(encoder_output);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set format on video encoder output port");
goto error;
}
// Set the rate control parameter
if (state->videoRateControl)
{
/***
* MMAL RATE Control constants
*
* MMAL_VIDEO_RATECONTROL_DEFAULT,
* MMAL_VIDEO_RATECONTROL_VARIABLE,
* MMAL_VIDEO_RATECONTROL_CONSTANT,
* MMAL_VIDEO_RATECONTROL_VARIABLE_SKIP_FRAMES,
* MMAL_VIDEO_RATECONTROL_CONSTANT_SKIP_FRAMES,
*/
MMAL_PARAMETER_VIDEO_RATECONTROL_T param =
{{ MMAL_PARAMETER_RATECONTROL, sizeof(param)}, MMAL_VIDEO_RATECONTROL_CONSTANT};
status = mmal_port_parameter_set(encoder_output, ¶m.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set ratecontrol");
goto error;
}
/***
* MMAL RATE Control Model
* MMAL_VIDEO_ENCODER_RC_MODEL_DEFAULT = 0,
* MMAL_VIDEO_ENCODER_RC_MODEL_JVT = MMAL_VIDEO_ENCODER_RC_MODEL_DEFAULT,
* MMAL_VIDEO_ENCODER_RC_MODEL_VOWIFI,
* MMAL_VIDEO_ENCODER_RC_MODEL_CBR,
* MMAL_VIDEO_ENCODER_RC_MODEL_LAST,
* MMAL_VIDEO_ENCODER_RC_MODEL_DUMMY = 0x7FFFFFFF
*/
MMAL_PARAMETER_VIDEO_ENCODE_RC_MODEL_T param2 =
{{ MMAL_PARAMETER_VIDEO_ENCODE_RC_MODEL, sizeof(param2)}, MMAL_VIDEO_ENCODER_RC_MODEL_CBR};
status = mmal_port_parameter_set(encoder_output, ¶m2.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set rate control model");
goto error;
}
}
if (state->encoding == MMAL_ENCODING_H264 &&
state->intraperiod != -1)
{
MMAL_PARAMETER_UINT32_T param = {{ MMAL_PARAMETER_INTRAPERIOD, sizeof(param)}, state->intraperiod};
status = mmal_port_parameter_set(encoder_output, ¶m.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set intraperiod");
goto error;
}
}
if (state->encoding == MMAL_ENCODING_H264 && state->quantisationParameter)
{
MMAL_PARAMETER_UINT32_T param =
{{ MMAL_PARAMETER_VIDEO_ENCODE_INITIAL_QUANT, sizeof(param)}, state->quantisationInitialParameter};
status = mmal_port_parameter_set(encoder_output, ¶m.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set initial QP");
goto error;
}
MMAL_PARAMETER_UINT32_T param2 =
{{ MMAL_PARAMETER_VIDEO_ENCODE_MIN_QUANT, sizeof(param)}, state->quantisationMinParameter};
status = mmal_port_parameter_set(encoder_output, ¶m2.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set min QP");
goto error;
}
MMAL_PARAMETER_UINT32_T param3 =
{{ MMAL_PARAMETER_VIDEO_ENCODE_MAX_QUANT, sizeof(param)}, state->quantisationMaxParameter};
status = mmal_port_parameter_set(encoder_output, ¶m3.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set max QP");
goto error;
}
}
if (state->encoding == MMAL_ENCODING_H264)
{
MMAL_PARAMETER_VIDEO_PROFILE_T param;
param.hdr.id = MMAL_PARAMETER_PROFILE;
param.hdr.size = sizeof(param);
param.profile[0].profile = state->profile;
param.profile[0].level = MMAL_VIDEO_LEVEL_H264_4; // This is the only value supported
status = mmal_port_parameter_set(encoder_output, ¶m.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set H264 profile");
goto error;
}
}
if (mmal_port_parameter_set_boolean(encoder_input,
MMAL_PARAMETER_VIDEO_IMMUTABLE_INPUT, state->immutableInput) != MMAL_SUCCESS) {
vcos_log_error("Unable to set immutable input flag");
// Continue rather than abort..
}
//set INLINE HEADER flag to generate SPS and PPS for every IDR if requested
if (mmal_port_parameter_set_boolean(encoder_output,
MMAL_PARAMETER_VIDEO_ENCODE_INLINE_HEADER, state->bInlineHeaders) != MMAL_SUCCESS) {
vcos_log_error("failed to set INLINE HEADER FLAG parameters");
// Continue rather than abort..
}
#ifdef __NOT_WORKING__
// set CABAC disable
// MMAL_PARAMETER_VIDEO_ENCODE_H264_DISABLE_CABAC false
if (mmal_port_parameter_set_boolean(encoder_output,
MMAL_PARAMETER_VIDEO_ENCODE_H264_DISABLE_CABAC, MMAL_TRUE) != MMAL_SUCCESS) {
vcos_log_error("failed to set CABAC DISABLE parameters");
// Continue rather than abort..
}
#endif // __NOT_WORKING__
//set Encode SPS Timing
if (mmal_port_parameter_set_boolean(encoder_output,
MMAL_PARAMETER_VIDEO_ENCODE_SPS_TIMING, MMAL_TRUE) != MMAL_SUCCESS) {
vcos_log_error("failed to set SPS TIMING HEADER FLAG parameters");
// Continue rather than abort..
}
// set Minimise Fragmentation
if (mmal_port_parameter_set_boolean(encoder_output,
MMAL_PARAMETER_MINIMISE_FRAGMENTATION, MMAL_FALSE) != MMAL_SUCCESS) {
vcos_log_error("failed to set SPS TIMING HEADER FLAG parameters");
// Continue rather than abort..
}
// Adaptive intra refresh settings
if (state->encoding == MMAL_ENCODING_H264 &&
state->intra_refresh_type != -1) {
MMAL_PARAMETER_VIDEO_INTRA_REFRESH_T param;
param.hdr.id = MMAL_PARAMETER_VIDEO_INTRA_REFRESH;
param.hdr.size = sizeof(param);
// Get first so we don't overwrite anything unexpectedly
status = mmal_port_parameter_get(encoder_output, ¶m.hdr);
if (status != MMAL_SUCCESS) {
vcos_log_warn("Unable to get existing H264 intra-refresh values. Please update your firmware");
// Set some defaults, don't just pass random stack data
param.air_mbs = param.air_ref = param.cir_mbs = param.pir_mbs = 0;
}
param.refresh_mode = state->intra_refresh_type;
//if (state->intra_refresh_type == MMAL_VIDEO_INTRA_REFRESH_CYCLIC_MROWS)
// param.cir_mbs = 10;
status = mmal_port_parameter_set(encoder_output, ¶m.hdr);
if (status != MMAL_SUCCESS) {
vcos_log_error("Unable to set H264 intra-refresh values");
goto error;
}
}
// Enable component
status = mmal_component_enable(encoder);
if (status != MMAL_SUCCESS) {
vcos_log_error("Unable to enable video encoder component");
goto error;
}
/* Create pool of buffer headers for the output port to consume */
pool = mmal_port_pool_create(encoder_output, encoder_output->buffer_num, encoder_output->buffer_size);
if (!pool) {
vcos_log_error("Failed to create buffer header pool for encoder output port %s", encoder_output->name);
}
state->encoder_pool = pool;
state->encoder_component = encoder;
return status;
error:
if (encoder)
mmal_component_destroy(encoder);
state->encoder_component = NULL;
return status;
}
/**
* 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;
}
static int OpenDecoder(decoder_t *dec)
{
int ret = VLC_SUCCESS;
decoder_sys_t *sys;
MMAL_PARAMETER_UINT32_T extra_buffers;
MMAL_STATUS_T status;
if (dec->fmt_in.i_cat != VIDEO_ES)
return VLC_EGENERIC;
if (dec->fmt_in.i_codec != VLC_CODEC_MPGV &&
dec->fmt_in.i_codec != VLC_CODEC_H264)
return VLC_EGENERIC;
sys = calloc(1, sizeof(decoder_sys_t));
if (!sys) {
ret = VLC_ENOMEM;
goto out;
}
dec->p_sys = sys;
sys->opaque = var_InheritBool(dec, MMAL_OPAQUE_NAME);
bcm_host_init();
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_DECODER, &sys->component);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to create MMAL component %s (status=%"PRIx32" %s)",
MMAL_COMPONENT_DEFAULT_VIDEO_DECODER, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->component->control->userdata = (struct MMAL_PORT_USERDATA_T *)dec;
status = mmal_port_enable(sys->component->control, control_port_cb);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to enable control port %s (status=%"PRIx32" %s)",
sys->component->control->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->input = sys->component->input[0];
sys->input->userdata = (struct MMAL_PORT_USERDATA_T *)dec;
if (dec->fmt_in.i_codec == VLC_CODEC_MPGV)
sys->input->format->encoding = MMAL_ENCODING_MP2V;
else
sys->input->format->encoding = MMAL_ENCODING_H264;
if (dec->fmt_in.i_codec == VLC_CODEC_H264) {
if (dec->fmt_in.i_extra > 0) {
status = mmal_format_extradata_alloc(sys->input->format,
dec->fmt_in.i_extra);
if (status == MMAL_SUCCESS) {
memcpy(sys->input->format->extradata, dec->fmt_in.p_extra,
dec->fmt_in.i_extra);
sys->input->format->extradata_size = dec->fmt_in.i_extra;
} else {
msg_Err(dec, "Failed to allocate extra format data on input port %s (status=%"PRIx32" %s)",
sys->input->name, status, mmal_status_to_string(status));
}
}
}
status = mmal_port_format_commit(sys->input);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to commit format for input port %s (status=%"PRIx32" %s)",
sys->input->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->input->buffer_size = sys->input->buffer_size_recommended;
sys->input->buffer_num = sys->input->buffer_num_recommended;
status = mmal_port_enable(sys->input, input_port_cb);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to enable input port %s (status=%"PRIx32" %s)",
sys->input->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->output = sys->component->output[0];
sys->output->userdata = (struct MMAL_PORT_USERDATA_T *)dec;
if (sys->opaque) {
extra_buffers.hdr.id = MMAL_PARAMETER_EXTRA_BUFFERS;
extra_buffers.hdr.size = sizeof(MMAL_PARAMETER_UINT32_T);
extra_buffers.value = NUM_EXTRA_BUFFERS;
status = mmal_port_parameter_set(sys->output, &extra_buffers.hdr);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to set MMAL_PARAMETER_EXTRA_BUFFERS on output port (status=%"PRIx32" %s)",
status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
msg_Dbg(dec, "Activate zero-copy for output port");
MMAL_PARAMETER_BOOLEAN_T zero_copy = {
{ MMAL_PARAMETER_ZERO_COPY, sizeof(MMAL_PARAMETER_BOOLEAN_T) },
1
};
status = mmal_port_parameter_set(sys->output, &zero_copy.hdr);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to set zero copy on port %s (status=%"PRIx32" %s)",
sys->output->name, status, mmal_status_to_string(status));
goto out;
}
}
status = mmal_port_enable(sys->output, output_port_cb);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to enable output port %s (status=%"PRIx32" %s)",
sys->output->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
status = mmal_component_enable(sys->component);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to enable component %s (status=%"PRIx32" %s)",
sys->component->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->input_pool = mmal_pool_create(sys->input->buffer_num, 0);
sys->decoded_pictures = mmal_queue_create();
if (sys->opaque) {
dec->fmt_out.i_codec = VLC_CODEC_MMAL_OPAQUE;
dec->fmt_out.video.i_chroma = VLC_CODEC_MMAL_OPAQUE;
} else {
dec->fmt_out.i_codec = VLC_CODEC_I420;
dec->fmt_out.video.i_chroma = VLC_CODEC_I420;
}
dec->fmt_out.i_cat = VIDEO_ES;
dec->pf_decode_video = decode;
vlc_mutex_init_recursive(&sys->mutex);
vlc_sem_init(&sys->sem, 0);
out:
if (ret != VLC_SUCCESS)
CloseDecoder(dec);
return ret;
}
MMAL_STATUS_T set_camera_info(MMAL_COMPONENT_T *camera, const MMAL_PARAMETER_CAMERA_INFO_T *value){
if (!camera)
return MMAL_ENOTREADY;
return mmal_port_parameter_set(camera->control, &(value->hdr));
}
/**
* 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(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)
{
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 = 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
};
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 (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)
{
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)
{
vcos_log_error("camera component couldn't be enabled");
goto error;
}
if (state->wantRAW)
{
if (mmal_port_parameter_set_boolean(still_port, MMAL_PARAMETER_ENABLE_RAW_CAPTURE, 1) != MMAL_SUCCESS)
{
vcos_log_error("RAW was requested, but failed to enable");
// Continue on and take picture without.
}
}
state->camera_component = camera;
if (state->verbose)
fprintf(stderr, "Camera component done\n");
return camera;
error:
if (camera)
mmal_component_destroy(camera);
return 0;
}
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;
}
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;
}
int setup_camera(PORT_USERDATA *userdata) {
MMAL_STATUS_T status;
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T * camera_preview_port;
MMAL_PORT_T * camera_video_port;
MMAL_PORT_T * camera_still_port;
MMAL_POOL_T * camera_video_port_pool;
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS) {
fprintf(stderr, "Error: create camera %x\n", status);
return -1;
}
userdata->camera = camera;
userdata->camera_preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
userdata->camera_video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
userdata->camera_still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
camera_preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
camera_video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config = {
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof (cam_config)},
.max_stills_w = 1280,
.max_stills_h = 720,
.stills_yuv422 = 0,
.one_shot_stills = 1,
.max_preview_video_w = VIDEO_WIDTH,
.max_preview_video_h = VIDEO_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);
}
// Setup camera preview port format
format = camera_preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = VIDEO_WIDTH;
format->es->video.height = VIDEO_HEIGHT;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = VIDEO_WIDTH;
format->es->video.crop.height = VIDEO_HEIGHT;
status = mmal_port_format_commit(camera_preview_port);
if (status != MMAL_SUCCESS) {
fprintf(stderr, "Error: camera viewfinder format couldn't be set\n");
return -1;
}
// Setup camera video port format
mmal_format_copy(camera_video_port->format, camera_preview_port->format);
format = camera_video_port->format;
format->encoding = MMAL_ENCODING_I420;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = VIDEO_WIDTH;
format->es->video.height = VIDEO_HEIGHT;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = VIDEO_WIDTH;
format->es->video.crop.height = VIDEO_HEIGHT;
format->es->video.frame_rate.num = VIDEO_FPS;
format->es->video.frame_rate.den = 1;
camera_video_port->buffer_size = format->es->video.width * format->es->video.height * 12 / 8;
camera_video_port->buffer_num = 2;
fprintf(stderr, "INFO:camera video buffer_size = %d\n", camera_video_port->buffer_size);
fprintf(stderr, "INFO:camera video buffer_num = %d\n", camera_video_port->buffer_num);
status = mmal_port_format_commit(camera_video_port);
if (status != MMAL_SUCCESS) {
fprintf(stderr, "Error: unable to commit camera video port format (%u)\n", status);
return -1;
}
camera_video_port_pool = (MMAL_POOL_T *) mmal_port_pool_create(camera_video_port, camera_video_port->buffer_num, camera_video_port->buffer_size);
userdata->camera_video_port_pool = camera_video_port_pool;
camera_video_port->userdata = (struct MMAL_PORT_USERDATA_T *) userdata;
status = mmal_port_enable(camera_video_port, camera_video_buffer_callback);
if (status != MMAL_SUCCESS) {
fprintf(stderr, "Error: unable to enable camera video port (%u)\n", status);
return -1;
}
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS) {
fprintf(stderr, "Error: unable to enable camera (%u)\n", status);
return -1;
}
fill_port_buffer(userdata->camera_video_port, userdata->camera_video_port_pool);
if (mmal_port_parameter_set_boolean(camera_video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS) {
printf("%s: Failed to start capture\n", __func__);
}
fprintf(stderr, "INFO: camera created\n");
return 0;
}
int main(int argc, char** argv) {
MMAL_COMPONENT_T *camera = 0;
MMAL_COMPONENT_T *preview = 0;
MMAL_ES_FORMAT_T *format;
MMAL_STATUS_T status;
MMAL_PORT_T *camera_preview_port = NULL, *camera_video_port = NULL, *camera_still_port = NULL;
MMAL_PORT_T *preview_input_port = NULL;
MMAL_CONNECTION_T *camera_preview_connection = 0;
printf("Running...\n");
bcm_host_init();
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS) {
printf("Error: create camera %x\n", status);
return -1;
}
camera_preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
camera_video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
camera_still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config = {
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof (cam_config)},
.max_stills_w = 1280,
.max_stills_h = 720,
.stills_yuv422 = 0,
.one_shot_stills = 1,
.max_preview_video_w = 1280,
.max_preview_video_h = 720,
.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);
}
format = camera_preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = 1280;
format->es->video.height = 720;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = 1280;
format->es->video.crop.height = 720;
status = mmal_port_format_commit(camera_preview_port);
if (status != MMAL_SUCCESS) {
printf("Error: camera viewfinder format couldn't be set\n");
return -1;
}
status = mmal_component_enable(camera);
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, &preview);
if (status != MMAL_SUCCESS) {
printf("Error: unable to create preview (%u)\n", status);
return -1;
}
preview_input_port = preview->input[0];
{
MMAL_DISPLAYREGION_T param;
param.hdr.id = MMAL_PARAMETER_DISPLAYREGION;
param.hdr.size = sizeof (MMAL_DISPLAYREGION_T);
param.set = MMAL_DISPLAY_SET_LAYER;
param.layer = 0;
param.set |= MMAL_DISPLAY_SET_FULLSCREEN;
param.fullscreen = 1;
status = mmal_port_parameter_set(preview_input_port, ¶m.hdr);
if (status != MMAL_SUCCESS && status != MMAL_ENOSYS) {
printf("Error: unable to set preview port parameters (%u)\n", status);
return -1;
}
}
status = mmal_connection_create(&camera_preview_connection, camera_preview_port, preview_input_port, MMAL_CONNECTION_FLAG_TUNNELLING | MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT);
if (status != MMAL_SUCCESS) {
printf("Error: unable to create connection (%u)\n", status);
return -1;
}
status = mmal_connection_enable(camera_preview_connection);
if (status != MMAL_SUCCESS) {
printf("Error: unable to enable connection (%u)\n", status);
return -1;
}
while (1);
return 0;
}
static int Open(filter_t *filter)
{
int32_t frame_duration = filter->fmt_in.video.i_frame_rate != 0 ?
(int64_t)1000000 * filter->fmt_in.video.i_frame_rate_base /
filter->fmt_in.video.i_frame_rate : 0;
bool use_qpu = var_InheritBool(filter, MMAL_DEINTERLACE_QPU);
MMAL_PARAMETER_IMAGEFX_PARAMETERS_T imfx_param = {
{ MMAL_PARAMETER_IMAGE_EFFECT_PARAMETERS, sizeof(imfx_param) },
MMAL_PARAM_IMAGEFX_DEINTERLACE_ADV,
4,
{ 3, frame_duration, 0, use_qpu }
};
int ret = VLC_SUCCESS;
MMAL_STATUS_T status;
filter_sys_t *sys;
msg_Dbg(filter, "Try to open mmal_deinterlace filter. frame_duration: %d, QPU %s!",
frame_duration, use_qpu ? "used" : "unused");
if (filter->fmt_in.video.i_chroma != VLC_CODEC_MMAL_OPAQUE)
return VLC_EGENERIC;
if (filter->fmt_out.video.i_chroma != VLC_CODEC_MMAL_OPAQUE)
return VLC_EGENERIC;
sys = calloc(1, sizeof(filter_sys_t));
if (!sys)
return VLC_ENOMEM;
filter->p_sys = sys;
bcm_host_init();
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_DEINTERLACE, &sys->component);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to create MMAL component %s (status=%"PRIx32" %s)",
MMAL_COMPONENT_DEFAULT_DEINTERLACE, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
status = mmal_port_parameter_set(sys->component->output[0], &imfx_param.hdr);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to configure MMAL component %s (status=%"PRIx32" %s)",
MMAL_COMPONENT_DEFAULT_DEINTERLACE, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->component->control->userdata = (struct MMAL_PORT_USERDATA_T *)filter;
status = mmal_port_enable(sys->component->control, control_port_cb);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to enable control port %s (status=%"PRIx32" %s)",
sys->component->control->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->input = sys->component->input[0];
sys->input->userdata = (struct MMAL_PORT_USERDATA_T *)filter;
if (filter->fmt_in.i_codec == VLC_CODEC_MMAL_OPAQUE)
sys->input->format->encoding = MMAL_ENCODING_OPAQUE;
sys->input->format->es->video.width = filter->fmt_in.video.i_width;
sys->input->format->es->video.height = filter->fmt_in.video.i_height;
sys->input->format->es->video.crop.x = 0;
sys->input->format->es->video.crop.y = 0;
sys->input->format->es->video.crop.width = filter->fmt_in.video.i_width;
sys->input->format->es->video.crop.height = filter->fmt_in.video.i_height;
sys->input->format->es->video.par.num = filter->fmt_in.video.i_sar_num;
sys->input->format->es->video.par.den = filter->fmt_in.video.i_sar_den;
es_format_Copy(&filter->fmt_out, &filter->fmt_in);
filter->fmt_out.video.i_frame_rate *= 2;
status = mmal_port_format_commit(sys->input);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to commit format for input port %s (status=%"PRIx32" %s)",
sys->input->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->input->buffer_size = sys->input->buffer_size_recommended;
sys->input->buffer_num = sys->input->buffer_num_recommended;
if (filter->fmt_in.i_codec == VLC_CODEC_MMAL_OPAQUE) {
MMAL_PARAMETER_BOOLEAN_T zero_copy = {
{ MMAL_PARAMETER_ZERO_COPY, sizeof(MMAL_PARAMETER_BOOLEAN_T) },
1
};
status = mmal_port_parameter_set(sys->input, &zero_copy.hdr);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to set zero copy on port %s (status=%"PRIx32" %s)",
sys->input->name, status, mmal_status_to_string(status));
goto out;
}
}
status = mmal_port_enable(sys->input, input_port_cb);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to enable input port %s (status=%"PRIx32" %s)",
sys->input->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->output = sys->component->output[0];
sys->output->userdata = (struct MMAL_PORT_USERDATA_T *)filter;
mmal_format_full_copy(sys->output->format, sys->input->format);
status = mmal_port_format_commit(sys->output);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to commit format for output port %s (status=%"PRIx32" %s)",
sys->input->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->output->buffer_num = 3;
if (filter->fmt_in.i_codec == VLC_CODEC_MMAL_OPAQUE) {
MMAL_PARAMETER_UINT32_T extra_buffers = {
{ MMAL_PARAMETER_EXTRA_BUFFERS, sizeof(MMAL_PARAMETER_UINT32_T) },
5
};
status = mmal_port_parameter_set(sys->output, &extra_buffers.hdr);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to set MMAL_PARAMETER_EXTRA_BUFFERS on output port (status=%"PRIx32" %s)",
status, mmal_status_to_string(status));
goto out;
}
MMAL_PARAMETER_BOOLEAN_T zero_copy = {
{ MMAL_PARAMETER_ZERO_COPY, sizeof(MMAL_PARAMETER_BOOLEAN_T) },
1
};
status = mmal_port_parameter_set(sys->output, &zero_copy.hdr);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to set zero copy on port %s (status=%"PRIx32" %s)",
sys->output->name, status, mmal_status_to_string(status));
goto out;
}
}
status = mmal_port_enable(sys->output, output_port_cb);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to enable output port %s (status=%"PRIx32" %s)",
sys->output->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
status = mmal_component_enable(sys->component);
if (status != MMAL_SUCCESS) {
msg_Err(filter, "Failed to enable component %s (status=%"PRIx32" %s)",
sys->component->name, status, mmal_status_to_string(status));
ret = VLC_EGENERIC;
goto out;
}
sys->filtered_pictures = mmal_queue_create();
filter->pf_video_filter = deinterlace;
filter->pf_flush = flush;
vlc_sem_init(&sys->sem, 0);
out:
if (ret != VLC_SUCCESS)
Close(filter);
return ret;
}