bool CMMALRenderer::init_vout(MMAL_ES_FORMAT_T *format)
{
MMAL_STATUS_T status;
CLog::Log(LOGDEBUG, "%s::%s", CLASSNAME, __func__);
/* Create video renderer */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, &m_vout);
if(status != MMAL_SUCCESS)
{
CLog::Log(LOGERROR, "%s::%s Failed to create vout component (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
return false;
}
m_vout->control->userdata = (struct MMAL_PORT_USERDATA_T *)this;
status = mmal_port_enable(m_vout->control, vout_control_port_cb);
if(status != MMAL_SUCCESS)
{
CLog::Log(LOGERROR, "%s::%s Failed to enable vout control port (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
return false;
}
m_vout_input = m_vout->input[0];
m_vout_input->userdata = (struct MMAL_PORT_USERDATA_T *)this;
mmal_format_full_copy(m_vout_input->format, format);
status = mmal_port_format_commit(m_vout_input);
if (status != MMAL_SUCCESS)
{
CLog::Log(LOGERROR, "%s::%s Failed to commit vout input format (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
return false;
}
m_vout_input->buffer_num = std::max(m_vout_input->buffer_num_recommended, (uint32_t)m_NumYV12Buffers);
m_vout_input->buffer_size = m_vout_input->buffer_size_recommended;
status = mmal_port_enable(m_vout_input, vout_input_port_cb_static);
if(status != MMAL_SUCCESS)
{
CLog::Log(LOGERROR, "%s::%s Failed to vout enable input port (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
return false;
}
status = mmal_component_enable(m_vout);
if(status != MMAL_SUCCESS)
{
CLog::Log(LOGERROR, "%s::%s Failed to enable vout component (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
return false;
}
if (m_format == RENDER_FMT_YUV420P)
{
m_vout_input_pool = mmal_pool_create(m_vout_input->buffer_num, m_vout_input->buffer_size);
if (!m_vout_input_pool)
{
CLog::Log(LOGERROR, "%s::%s Failed to create pool for decoder input port (status=%x %s)", CLASSNAME, __func__, status, mmal_status_to_string(status));
return false;
}
}
return true;
}
/** Connected output port buffer callback */
static void mmal_port_connected_output_cb(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
{
MMAL_PORT_T* connected_port = port->priv->core->connected_port;
MMAL_STATUS_T status;
LOG_TRACE("buffer %p from connected output port %p: data %p, alloc_size %u, length %u",
buffer, port, buffer->data, buffer->alloc_size, buffer->length);
if (buffer->cmd)
{
MMAL_EVENT_FORMAT_CHANGED_T *event = mmal_event_format_changed_get(buffer);
/* Handle format changed events */
if (event)
{
/* Apply the change */
status = mmal_format_full_copy(port->format, event->format);
if (status == MMAL_SUCCESS)
status = mmal_port_format_commit(port);
if (status != MMAL_SUCCESS)
LOG_ERROR("format commit failed on port %s (%i)", port->name, status);
/* Forward to the connected port */
if (status == MMAL_SUCCESS)
status = mmal_port_send_buffer(connected_port, buffer);
if (status != MMAL_SUCCESS)
{
mmal_event_error_send(port->component, status);
mmal_buffer_header_release(buffer);
}
return; /* Event handled */
}
/* FIXME Release other event buffers for now, until we can deal with shared memory issues */
mmal_buffer_header_release(buffer);
}
else
{
if (port->is_enabled)
{
/* Forward data buffers to the connected input port */
status = mmal_port_send_buffer(connected_port, buffer);
if (status != MMAL_SUCCESS)
{
LOG_ERROR("%s could not send buffer on port %s (%s)",
port->name, connected_port->name, mmal_status_to_string(status));
mmal_buffer_header_release(buffer);
}
}
else
{
/* This port is disabled. Buffer will be a flushed buffer, so
* return to the pool rather than delivering it.
*/
mmal_buffer_header_release(buffer);
}
}
}
static void output_port_cb(MMAL_PORT_T *port, MMAL_BUFFER_HEADER_T *buffer)
{
decoder_t *dec = (decoder_t *)port->userdata;
decoder_sys_t *sys = dec->p_sys;
picture_t *picture;
MMAL_EVENT_FORMAT_CHANGED_T *fmt;
MMAL_ES_FORMAT_T *format;
if (buffer->cmd == 0) {
if (buffer->length > 0) {
mmal_queue_put(sys->decoded_pictures, buffer);
} else {
picture = (picture_t *)buffer->user_data;
picture_Release(picture);
if (sys->output_pool) {
buffer->user_data = NULL;
buffer->alloc_size = 0;
buffer->data = NULL;
mmal_buffer_header_release(buffer);
}
}
atomic_fetch_sub(&sys->output_in_transit, 1);
vlc_sem_post(&sys->sem);
} else if (buffer->cmd == MMAL_EVENT_FORMAT_CHANGED) {
fmt = mmal_event_format_changed_get(buffer);
format = mmal_format_alloc();
mmal_format_full_copy(format, fmt->format);
if (sys->opaque)
format->encoding = MMAL_ENCODING_OPAQUE;
sys->output_format = format;
mmal_buffer_header_release(buffer);
} else {
mmal_buffer_header_release(buffer);
}
}
/** Set format on a port */
static MMAL_STATUS_T splitter_port_format_commit(MMAL_PORT_T *port)
{
MMAL_COMPONENT_T *component = port->component;
MMAL_STATUS_T status;
unsigned int i;
/* Sanity check */
if (port->type == MMAL_PORT_TYPE_OUTPUT)
{
LOG_ERROR("output port is read-only");
return MMAL_EINVAL;
}
/* Commit the format on all output ports */
for (i = 0; i < component->output_num; i++)
{
status = mmal_format_full_copy(component->output[i]->format, port->format);
if (status != MMAL_SUCCESS)
return status;
}
return MMAL_SUCCESS;
}
/**
* 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;
}
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;
MMAL_PARAMETER_IMAGEFX_PARAMETERS_T imfx_param = {
{ MMAL_PARAMETER_IMAGE_EFFECT_PARAMETERS, sizeof(imfx_param) },
MMAL_PARAM_IMAGEFX_DEINTERLACE_ADV,
2,
{ 3, frame_duration }
};
int ret = VLC_SUCCESS;
MMAL_STATUS_T status;
filter_sys_t *sys;
msg_Dbg(filter, "Try to open mmal_deinterlace filter. frame_duration: %d!", frame_duration);
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_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_video_flush = flush;
vlc_mutex_init_recursive(&sys->mutex);
vlc_mutex_init(&sys->buffer_cond_mutex);
vlc_cond_init(&sys->buffer_cond);
out:
if (ret != VLC_SUCCESS)
Close(filter);
return ret;
}
/**
* 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;
}
/**
* 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;
}
static int change_output_format(decoder_t *dec)
{
MMAL_PARAMETER_VIDEO_INTERLACE_TYPE_T interlace_type;
decoder_sys_t *sys = dec->p_sys;
MMAL_STATUS_T status;
int pool_size;
int ret = 0;
if (atomic_load(&sys->started)) {
mmal_format_full_copy(sys->output->format, sys->output_format);
status = mmal_port_format_commit(sys->output);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to commit output format (status=%"PRIx32" %s)",
status, mmal_status_to_string(status));
ret = -1;
goto port_reset;
}
goto apply_fmt;
}
port_reset:
msg_Dbg(dec, "%s: Do full port reset", __func__);
status = mmal_port_disable(sys->output);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to disable output port (status=%"PRIx32" %s)",
status, mmal_status_to_string(status));
ret = -1;
goto out;
}
mmal_format_full_copy(sys->output->format, sys->output_format);
status = mmal_port_format_commit(sys->output);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to commit output format (status=%"PRIx32" %s)",
status, mmal_status_to_string(status));
ret = -1;
goto out;
}
if (sys->opaque) {
sys->output->buffer_num = NUM_ACTUAL_OPAQUE_BUFFERS;
pool_size = NUM_DECODER_BUFFER_HEADERS;
} else {
sys->output->buffer_num = __MAX(sys->output->buffer_num_recommended,
MIN_NUM_BUFFERS_IN_TRANSIT);
pool_size = sys->output->buffer_num;
}
sys->output->buffer_size = sys->output->buffer_size_recommended;
status = mmal_port_enable(sys->output, output_port_cb);
if (status != MMAL_SUCCESS) {
msg_Err(dec, "Failed to enable output port (status=%"PRIx32" %s)",
status, mmal_status_to_string(status));
ret = -1;
goto out;
}
if (!atomic_load(&sys->started)) {
if (!sys->opaque) {
sys->output_pool = mmal_port_pool_create(sys->output, pool_size, 0);
msg_Dbg(dec, "Created output pool with %d pictures", sys->output_pool->headers_num);
}
atomic_store(&sys->started, true);
/* we need one picture from vout for each buffer header on the output
* port */
dec->i_extra_picture_buffers = pool_size;
/* remove what VLC core reserves as it is part of the pool_size
* already */
if (dec->fmt_in.i_codec == VLC_CODEC_H264)
dec->i_extra_picture_buffers -= 19;
else
dec->i_extra_picture_buffers -= 3;
msg_Dbg(dec, "Request %d extra pictures", dec->i_extra_picture_buffers);
}
apply_fmt:
dec->fmt_out.video.i_width = sys->output->format->es->video.width;
dec->fmt_out.video.i_height = sys->output->format->es->video.height;
dec->fmt_out.video.i_x_offset = sys->output->format->es->video.crop.x;
dec->fmt_out.video.i_y_offset = sys->output->format->es->video.crop.y;
dec->fmt_out.video.i_visible_width = sys->output->format->es->video.crop.width;
dec->fmt_out.video.i_visible_height = sys->output->format->es->video.crop.height;
dec->fmt_out.video.i_sar_num = sys->output->format->es->video.par.num;
dec->fmt_out.video.i_sar_den = sys->output->format->es->video.par.den;
dec->fmt_out.video.i_frame_rate = sys->output->format->es->video.frame_rate.num;
dec->fmt_out.video.i_frame_rate_base = sys->output->format->es->video.frame_rate.den;
/* Query interlaced type */
interlace_type.hdr.id = MMAL_PARAMETER_VIDEO_INTERLACE_TYPE;
interlace_type.hdr.size = sizeof(MMAL_PARAMETER_VIDEO_INTERLACE_TYPE_T);
status = mmal_port_parameter_get(sys->output, &interlace_type.hdr);
if (status != MMAL_SUCCESS) {
msg_Warn(dec, "Failed to query interlace type from decoder output port (status=%"PRIx32" %s)",
status, mmal_status_to_string(status));
} else {
sys->b_progressive = (interlace_type.eMode == MMAL_InterlaceProgressive);
sys->b_top_field_first = sys->b_progressive ? true :
(interlace_type.eMode == MMAL_InterlaceFieldsInterleavedUpperFirst);
msg_Dbg(dec, "Detected %s%s video (%d)",
sys->b_progressive ? "progressive" : "interlaced",
sys->b_progressive ? "" : (sys->b_top_field_first ? " tff" : " bff"),
interlace_type.eMode);
}
out:
mmal_format_free(sys->output_format);
sys->output_format = NULL;
return ret;
}
void MmalStillCamera::createCameraComponent()
{
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;
try
{
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
throw Exception("Failed to create camera component");
}
if (camera->output_num == 0)
{
status = MMAL_ENOSYS;
throw Exception("Camera doesn't have output 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)
{
throw Exception("Unable to enable control port");
}
// Populate the camera configuration struct
MMAL_PARAMETER_CAMERA_CONFIG_T cameraConfig;
cameraConfig.hdr.id = MMAL_PARAMETER_CAMERA_CONFIG;
cameraConfig.hdr.size = sizeof(cameraConfig);
cameraConfig.max_stills_w = m_imageWidth;
cameraConfig.max_stills_h = m_imageHeight;
cameraConfig.stills_yuv422 = 0;
cameraConfig.one_shot_stills = 1;
cameraConfig.max_preview_video_w = VCOS_ALIGN_UP(FULL_FOV_PREVIEW_4x3_X, 32);
cameraConfig.max_preview_video_h = VCOS_ALIGN_UP(FULL_FOV_PREVIEW_4x3_Y, 16);
cameraConfig.num_preview_video_frames = 3;
cameraConfig.stills_capture_circular_buffer_height = 0;
cameraConfig.fast_preview_resume = 0;
cameraConfig.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC;
if (mmal_port_parameter_set(camera->control, &cameraConfig.hdr) != MMAL_SUCCESS)
{
throw Exception("Error calling mmal_port_parameter_set()");
}
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = VCOS_ALIGN_UP(FULL_FOV_PREVIEW_4x3_X, 32);
format->es->video.height = VCOS_ALIGN_UP(FULL_FOV_PREVIEW_4x3_Y, 16);
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = FULL_FOV_PREVIEW_4x3_X;
format->es->video.crop.height = FULL_FOV_PREVIEW_4x3_Y;
format->es->video.frame_rate.num = FULL_RES_PREVIEW_FRAME_RATE_NUM;
format->es->video.frame_rate.den = FULL_RES_PREVIEW_FRAME_RATE_DEN;
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS)
{
throw Exception("Failure to setup camera preview port");
}
// We must also setup the video port even though this is an image acquisition
mmal_format_full_copy(video_port->format, format);
status = mmal_port_format_commit(video_port);
if (status != MMAL_SUCCESS)
{
throw Exception("Failure to setup camera video port");
}
// Make sure we have enough video buffers
if (video_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
{
video_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
}
// Use the video format for images as well
format = still_port->format;
// Set our stills format on the stills (for encoder) port
format->encoding = MMAL_ENCODING_BGR24;
format->encoding_variant = MMAL_ENCODING_BGR24;
format->es->video.width = VCOS_ALIGN_UP(m_imageWidth, 32);
format->es->video.height = VCOS_ALIGN_UP(m_imageHeight, 16);
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = m_imageWidth;
format->es->video.crop.height = m_imageHeight;
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)
{
throw Exception("Failure to setup camera image port");
}
// Verify number of buffers
if (still_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
{
still_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
}
// Flip the image
MMAL_PARAMETER_MIRROR_T mirror = {{MMAL_PARAMETER_MIRROR, sizeof(MMAL_PARAMETER_MIRROR_T)}, MMAL_PARAM_MIRROR_NONE};
mirror.value = MMAL_PARAM_MIRROR_BOTH;
mmal_port_parameter_set(preview_port, &mirror.hdr);
mmal_port_parameter_set(video_port, &mirror.hdr);
mmal_port_parameter_set(still_port, &mirror.hdr);
// Enable component
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS)
{
throw Exception("camera component couldn't be enabled");
}
}
catch (...)
{
if (camera != NULL)
{
mmal_component_destroy(camera);
}
throw;
}
m_camera = camera;
m_previewPort = preview_port;
m_videoPort = video_port;
m_stillPort = still_port;
}
