MMAL_STATUS_T nullsink_preview(RASPIPREVIEW_PARAMETERS *state)
{
MMAL_COMPONENT_T *preview = 0;
MMAL_PORT_T *preview_port = NULL;
MMAL_STATUS_T status;
status = mmal_component_create("vc.null_sink", &preview);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to create null sink component");
goto error;
}
status = mmal_component_enable(preview);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to enable preview/null sink component (%u)", status);
goto error;
}
state->preview_component = preview;
return status;
error:
if (preview)
mmal_component_destroy(preview);
return status;
}
boolean
splitter_create(char *name, CameraObject *splitter, MMAL_PORT_T *src_port)
{
MMAL_PORT_T *in_port, *out_port;
MMAL_STATUS_T status;
char *msg = "mmal_component_create";
int i;
splitter->name = name;
if ((status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_SPLITTER,
&splitter->component)) == MMAL_SUCCESS)
{
in_port = splitter->component->input[0];
mmal_format_copy(in_port->format, src_port->format);
in_port->buffer_num = BUFFER_NUMBER_MIN;
msg = "mmal_port_format_commit(in_port)";
if ((status = mmal_port_format_commit(in_port)) == MMAL_SUCCESS)
{
msg = "mmal_port_format_commit(out_port)";
for (i = 0; i < splitter->component->output_num; ++i)
{
out_port = splitter->component->output[i];
out_port->buffer_num = BUFFER_NUMBER_MIN;
mmal_format_copy(out_port->format, in_port->format);
status = mmal_port_format_commit(out_port);
if (status != MMAL_SUCCESS)
break;
}
}
}
return component_create_check(splitter, status, msg);
}
void MmalStillCamera::createPreview()
{
MMAL_COMPONENT_T * preview = NULL;
MMAL_STATUS_T status;
try
{
status = mmal_component_create("vc.null_sink", &preview);
//status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, &preview);
if (status != MMAL_SUCCESS)
{
throw Exception("Error creating preview sink");
}
status = mmal_component_enable(preview);
if (status != MMAL_SUCCESS)
{
throw Exception("Error enabling preview");
}
}
catch (...)
{
if (preview != NULL)
{
mmal_component_destroy(preview);
}
throw;
}
m_preview = preview;
}
boolean
resizer_create(char *name, CameraObject *resizer, MMAL_PORT_T *src_port,
unsigned int resize_width, unsigned int resize_height)
{
MMAL_PORT_T *in_port, *out_port;
MMAL_STATUS_T status;
char *msg = "mmal_component_create";
resizer->name = name;
status = mmal_component_create("vc.ril.resize", &resizer->component);
if (status == MMAL_SUCCESS)
{
in_port = resizer->component->input[0];
out_port = resizer->component->output[0];
mmal_format_copy(in_port->format, src_port->format);
in_port->buffer_num = out_port->buffer_num = BUFFER_NUMBER_MIN;
msg = "mmal_port_format_commit(in_port)";
if ((status = mmal_port_format_commit(in_port)) == MMAL_SUCCESS)
{
mmal_format_copy(out_port->format, in_port->format);
video_format_set(out_port->format, 0 , 0,
resize_width, resize_height, 0, 0);
msg = "mmal_port_format_commit(out_port)";
status = mmal_port_format_commit(out_port);
}
}
return component_create_check(resizer, status, msg);
}
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;
}
/* A h264 encoder should have a non NULL src_port argument if the input to
| the encoder will be callback connected to the src_port. If it will be
| tunnel connected, src_port should be NULL.
*/
boolean
h264_encoder_create(char *name, CameraObject *encoder, MMAL_PORT_T *src_port)
{
MMAL_PORT_T *in_port, *out_port;
MMAL_STATUS_T status;
char *msg = "mmal_component_create";
encoder->name = name;
if ((status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_ENCODER,
&encoder->component)) == MMAL_SUCCESS)
{
in_port = encoder->component->input[0];
out_port = encoder->component->output[0];
if (src_port)
{
/* The h264 encoder input will be fed buffers in an ARM side
| callback, so ensure port formats will match.
*/
mmal_format_copy(in_port->format, src_port->format);
in_port->buffer_size = src_port->buffer_size;
msg = "mmal_port_format_commit(in_port)";
status = mmal_port_format_commit(in_port);
}
if (status == MMAL_SUCCESS)
{
out_port->buffer_num =
MAX(out_port->buffer_num_recommended,
out_port->buffer_num_min);
out_port->buffer_size =
MAX(out_port->buffer_size_recommended,
out_port->buffer_size_min);
mmal_format_copy(out_port->format, in_port->format);
out_port->format->encoding = MMAL_ENCODING_H264;
out_port->format->bitrate = pikrellcam.camera_adjust.video_bitrate;
out_port->format->es->video.frame_rate.num = 0; /* why? */
out_port->format->es->video.frame_rate.den = 1;
/* Enable inline motion vectors
*/
mmal_port_parameter_set_boolean(out_port,
MMAL_PARAMETER_VIDEO_ENCODE_INLINE_VECTORS, MMAL_TRUE);
msg = "mmal_port_format_commit";
if ((status = mmal_port_format_commit(out_port)) == MMAL_SUCCESS)
{
msg = "mmal_component_enable";
status = mmal_component_enable(encoder->component);
}
}
/* Will be component enabled/disabled on demand */
}
return component_create_check(encoder, status, msg);
}
MMAL_COMPONENT_T* CCamera::createSplitterComponentAndSetupPorts(MMAL_PORT_T* video_output_port)
{
MMAL_COMPONENT_T *splitter = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *input_port = NULL, *output_port = NULL;
MMAL_STATUS_T status;
//create the camera component
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_SPLITTER, &splitter);
if (status != MMAL_SUCCESS)
{
printf("Failed to create splitter component\n");
goto error;
}
//check we have output ports
if (splitter->output_num != 4 || splitter->input_num != 1)
{
printf("Splitter doesn't have correct ports: %d, %d\n",splitter->input_num,splitter->output_num);
goto error;
}
//get the ports
input_port = splitter->input[0];
mmal_format_copy(input_port->format,video_output_port->format);
input_port->buffer_num = 3;
status = mmal_port_format_commit(input_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set resizer input port format : error %d", status);
goto error;
}
for(int i = 0; i < splitter->output_num; i++)
{
output_port = splitter->output[i];
output_port->buffer_num = 3;
mmal_format_copy(output_port->format,input_port->format);
status = mmal_port_format_commit(output_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set resizer output port format : error %d", status);
goto error;
}
}
return splitter;
error:
if(splitter)
mmal_component_destroy(splitter);
return NULL;
}
/* A jpeg encoder should have a non NULL src_port argument if the input to
| the encoder will be callback connected to the src_port. If it will be
| tunnel connected, this src_port should be NULL.
*/
boolean
jpeg_encoder_create(char *name, CameraObject *encoder,
MMAL_PORT_T *src_port, int quality)
{
MMAL_PORT_T *in_port, *out_port;
MMAL_STATUS_T status;
char *msg = "mmal_component_create";
encoder->name = name;
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_IMAGE_ENCODER,
&encoder->component);
if (status == MMAL_SUCCESS)
{
in_port = encoder->component->input[0];
out_port = encoder->component->output[0];
if (src_port)
{
/* The jpeg encoder input will be fed buffers in an ARM side
| callback, so ensure port formats will match.
*/
mmal_format_copy(in_port->format, src_port->format);
in_port->buffer_size = src_port->buffer_size;
msg = "mmal_port_format_commit(in_port)";
status = mmal_port_format_commit(in_port);
}
if (status == MMAL_SUCCESS)
{
out_port->buffer_num =
MAX(out_port->buffer_num_recommended,
out_port->buffer_num_min);
out_port->buffer_size =
MAX(out_port->buffer_size_recommended,
out_port->buffer_size_min);
mmal_format_copy(out_port->format, in_port->format);
out_port->format->encoding = MMAL_ENCODING_JPEG;
msg = "mmal_port_format_commit(out_port)";
if ((status = mmal_port_format_commit(out_port)) == MMAL_SUCCESS)
{
mmal_port_parameter_set_uint32(out_port,
MMAL_PARAMETER_JPEG_Q_FACTOR, quality);
msg = "mmal_component_enable";
status = mmal_component_enable(encoder->component);
}
}
}
return component_create_check(encoder, status, msg);
}
static int do_create(int argc, const char **argv)
{
MMAL_COMPONENT_T *comp;
MMAL_STATUS_T st;
if (argc != 3)
{
printf("usage: mmal-vc-diag create <name>\n");
printf(" e.g. vc.camera\n");
exit(1);
}
st = mmal_component_create(argv[2], &comp);
if (comp)
printf("Created component\n");
else
printf("Failed to create %s: %d\n", argv[2], st);
return 0;
}
int setup_preview(PORT_USERDATA *userdata) {
MMAL_STATUS_T status;
MMAL_COMPONENT_T *preview = 0;
MMAL_CONNECTION_T *camera_preview_connection = 0;
MMAL_PORT_T *preview_input_port;
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, &preview);
if (status != MMAL_SUCCESS) {
fprintf(stderr, "Error: unable to create preview (%u)\n", status);
return -1;
}
userdata->preview = preview;
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) {
fprintf(stderr, "Error: unable to set preview port parameters (%u)\n", status);
return -1;
}
}
status = mmal_connection_create(&camera_preview_connection, userdata->camera_preview_port, preview_input_port, MMAL_CONNECTION_FLAG_TUNNELLING | MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT);
if (status != MMAL_SUCCESS) {
fprintf(stderr, "Error: unable to create connection (%u)\n", status);
return -1;
}
status = mmal_connection_enable(camera_preview_connection);
if (status != MMAL_SUCCESS) {
fprintf(stderr, "Error: unable to enable connection (%u)\n", status);
return -1;
}
//fprintf(stderr, "INFO: preview created\n");
return 0;
}
int Private_Impl_Still::createEncoder() {
if ( mmal_component_create ( MMAL_COMPONENT_DEFAULT_IMAGE_ENCODER, &encoder ) ) {
cout << API_NAME << ": Could not create encoder component.\n";
destroyEncoder();
return -1;
}
if ( !encoder->input_num || !encoder->output_num ) {
cout << API_NAME << ": Encoder does not have input/output ports.\n";
destroyEncoder();
return -1;
}
encoder_input_port = encoder->input[0];
encoder_output_port = encoder->output[0];
mmal_format_copy ( encoder_output_port->format, encoder_input_port->format );
encoder_output_port->format->encoding = convertEncoding ( encoding ); // Set output encoding
encoder_output_port->buffer_size = encoder_output_port->buffer_size_recommended;
if ( encoder_output_port->buffer_size < encoder_output_port->buffer_size_min )
encoder_output_port->buffer_size = encoder_output_port->buffer_size_min;
encoder_output_port->buffer_num = encoder_output_port->buffer_num_recommended;
if ( encoder_output_port->buffer_num < encoder_output_port->buffer_num_min )
encoder_output_port->buffer_num = encoder_output_port->buffer_num_min;
if ( mmal_port_format_commit ( encoder_output_port ) ) {
cout << API_NAME << ": Could not set format on encoder output port.\n";
destroyEncoder();
return -1;
}
if ( mmal_component_enable ( encoder ) ) {
cout << API_NAME << ": Could not enable encoder component.\n";
destroyEncoder();
return -1;
}
if ( ! ( encoder_pool = mmal_port_pool_create ( encoder_output_port, encoder_output_port->buffer_num, encoder_output_port->buffer_size ) ) ) {
cout << API_NAME << ": Failed to create buffer header pool for encoder output port.\n";
destroyEncoder();
return -1;
}
return 0;
}
MMAL_STATUS_T raspipreview_create(
RASPIPREVIEW_PARAMETERS *state
)
{
MMAL_COMPONENT_T *preview = 0;
MMAL_PORT_T *preview_port = NULL;
MMAL_STATUS_T status;
// No preview required, so create a null sink component to take its place
status = mmal_component_create("vc.null_sink", &preview);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to create null sink component");
goto error;
}
/* Enable component */
status = mmal_component_enable(preview);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to enable preview/null sink component (%u)", status);
goto error;
}
state->preview_component = preview;
return status;
error:
if (preview)
mmal_component_destroy(preview);
return status;
}
int main(int argc, char **argv)
{
MMAL_STATUS_T status = MMAL_EINVAL;
MMAL_COMPONENT_T *decoder = 0;
MMAL_POOL_T *pool_in = 0, *pool_out = 0;
unsigned int count;
if (argc < 2)
{
fprintf(stderr, "invalid arguments\n");
return -1;
}
#ifndef WIN32
// TODO verify that we dont really need to call bcm_host_init
bcm_host_init();
#endif
vcos_semaphore_create(&context.semaphore, "example", 1);
SOURCE_OPEN(argv[1]);
/* Create the decoder component.
* This specific component exposes 2 ports (1 input and 1 output). Like most components
* its expects the format of its input port to be set by the client in order for it to
* know what kind of data it will be fed. */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_DECODER, &decoder);
CHECK_STATUS(status, "failed to create decoder");
/* Set format of video decoder input port */
MMAL_ES_FORMAT_T *format_in = decoder->input[0]->format;
format_in->type = MMAL_ES_TYPE_VIDEO;
format_in->encoding = MMAL_ENCODING_H264;
format_in->es->video.width = 1280;
format_in->es->video.height = 720;
format_in->es->video.frame_rate.num = 30;
format_in->es->video.frame_rate.den = 1;
format_in->es->video.par.num = 1;
format_in->es->video.par.den = 1;
/* If the data is known to be framed then the following flag should be set:
* format_in->flags |= MMAL_ES_FORMAT_FLAG_FRAMED; */
SOURCE_READ_CODEC_CONFIG_DATA(codec_header_bytes, codec_header_bytes_size);
status = mmal_format_extradata_alloc(format_in, codec_header_bytes_size);
CHECK_STATUS(status, "failed to allocate extradata");
format_in->extradata_size = codec_header_bytes_size;
if (format_in->extradata_size)
memcpy(format_in->extradata, codec_header_bytes, format_in->extradata_size);
status = mmal_port_format_commit(decoder->input[0]);
CHECK_STATUS(status, "failed to commit format");
/* Display the output port format */
MMAL_ES_FORMAT_T *format_out = decoder->output[0]->format;
fprintf(stderr, "%s\n", decoder->output[0]->name);
fprintf(stderr, " type: %i, fourcc: %4.4s\n", format_out->type, (char *)&format_out->encoding);
fprintf(stderr, " bitrate: %i, framed: %i\n", format_out->bitrate,
!!(format_out->flags & MMAL_ES_FORMAT_FLAG_FRAMED));
fprintf(stderr, " extra data: %i, %p\n", format_out->extradata_size, format_out->extradata);
fprintf(stderr, " width: %i, height: %i, (%i,%i,%i,%i)\n",
format_out->es->video.width, format_out->es->video.height,
format_out->es->video.crop.x, format_out->es->video.crop.y,
format_out->es->video.crop.width, format_out->es->video.crop.height);
/* The format of both ports is now set so we can get their buffer requirements and create
* our buffer headers. We use the buffer pool API to create these. */
decoder->input[0]->buffer_num = decoder->input[0]->buffer_num_min;
decoder->input[0]->buffer_size = decoder->input[0]->buffer_size_min;
decoder->output[0]->buffer_num = decoder->output[0]->buffer_num_min;
decoder->output[0]->buffer_size = decoder->output[0]->buffer_size_min;
pool_in = mmal_pool_create(decoder->input[0]->buffer_num,
decoder->input[0]->buffer_size);
pool_out = mmal_pool_create(decoder->output[0]->buffer_num,
decoder->output[0]->buffer_size);
/* Create a queue to store our decoded video frames. The callback we will get when
* a frame has been decoded will put the frame into this queue. */
context.queue = mmal_queue_create();
/* Store a reference to our context in each port (will be used during callbacks) */
decoder->input[0]->userdata = (void *)&context;
decoder->output[0]->userdata = (void *)&context;
/* Enable all the input port and the output port.
* The callback specified here is the function which will be called when the buffer header
* we sent to the component has been processed. */
status = mmal_port_enable(decoder->input[0], input_callback);
CHECK_STATUS(status, "failed to enable input port");
status = mmal_port_enable(decoder->output[0], output_callback);
CHECK_STATUS(status, "failed to enable output port");
/* Component won't start processing data until it is enabled. */
status = mmal_component_enable(decoder);
CHECK_STATUS(status, "failed to enable component");
/* Start decoding */
fprintf(stderr, "start decoding\n");
/* This is the main processing loop */
for (count = 0; count < 500; count++)
{
MMAL_BUFFER_HEADER_T *buffer;
/* Wait for buffer headers to be available on either of the decoder ports */
vcos_semaphore_wait(&context.semaphore);
/* Send data to decode to the input port of the video decoder */
if ((buffer = mmal_queue_get(pool_in->queue)) != NULL)
{
SOURCE_READ_DATA_INTO_BUFFER(buffer);
if (!buffer->length)
break;
fprintf(stderr, "sending %i bytes\n", (int)buffer->length);
status = mmal_port_send_buffer(decoder->input[0], buffer);
CHECK_STATUS(status, "failed to send buffer");
}
/* Get our decoded frames */
while ((buffer = mmal_queue_get(context.queue)) != NULL)
{
/* We have a frame, do something with it (why not display it for instance?).
* Once we're done with it, we release it. It will automatically go back
* to its original pool so it can be reused for a new video frame.
*/
fprintf(stderr, "decoded frame\n");
mmal_buffer_header_release(buffer);
}
/* Send empty buffers to the output port of the decoder */
while ((buffer = mmal_queue_get(pool_out->queue)) != NULL)
{
status = mmal_port_send_buffer(decoder->output[0], buffer);
CHECK_STATUS(status, "failed to send buffer");
}
}
/* Stop decoding */
fprintf(stderr, "stop decoding\n");
/* Stop everything. Not strictly necessary since mmal_component_destroy()
* will do that anyway */
mmal_port_disable(decoder->input[0]);
mmal_port_disable(decoder->output[0]);
mmal_component_disable(decoder);
error:
/* Cleanup everything */
if (decoder)
mmal_component_destroy(decoder);
if (pool_in)
mmal_pool_destroy(pool_in);
if (pool_out)
mmal_pool_destroy(pool_out);
if (context.queue)
mmal_queue_destroy(context.queue);
SOURCE_CLOSE();
vcos_semaphore_delete(&context.semaphore);
return status == MMAL_SUCCESS ? 0 : -1;
}
/**
* 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;
}
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;
}
/**
* Create the encoder component, set up its ports
*
* @param state Pointer to state control struct. encoder_component member set to the created camera_component if successfull.
*
* @return a MMAL_STATUS, MMAL_SUCCESS if all OK, something else otherwise
*/
static MMAL_STATUS_T create_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_IMAGE_ENCODER, &encoder);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to create JPEG encoder component");
goto error;
}
if (!encoder->input_num || !encoder->output_num)
{
status = MMAL_ENOSYS;
vcos_log_error("JPEG 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);
// Specify out output format
encoder_output->format->encoding = state->encoding;
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 JPEG quality level
status = mmal_port_parameter_set_uint32(encoder_output, MMAL_PARAMETER_JPEG_Q_FACTOR, state->quality);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set JPEG quality");
goto error;
}
// Set up any required thumbnail
{
MMAL_PARAMETER_THUMBNAIL_CONFIG_T param_thumb = {{MMAL_PARAMETER_THUMBNAIL_CONFIGURATION, sizeof(MMAL_PARAMETER_THUMBNAIL_CONFIG_T)}, 0, 0, 0, 0};
if ( state->thumbnailConfig.width > 0 && state->thumbnailConfig.height > 0 )
{
// Have a valid thumbnail defined
param_thumb.enable = 1;
param_thumb.width = state->thumbnailConfig.width;
param_thumb.height = state->thumbnailConfig.height;
param_thumb.quality = state->thumbnailConfig.quality;
}
status = mmal_port_parameter_set(encoder->control, ¶m_thumb.hdr);
}
// 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;
if (state->verbose)
fprintf(stderr, "Encoder component done\n");
return status;
error:
if (encoder)
mmal_component_destroy(encoder);
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;
}
MMAL_COMPONENT_T* CCamera::createCameraComponentAndSetupPorts()
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
//create the camera component
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
printf("Failed to create camera component\n");
return NULL;
}
//check we have output ports
if (!camera->output_num)
{
printf("Camera doesn't have output ports");
mmal_component_destroy(camera);
return NULL;
}
//get the 3 ports
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, CameraControlCallback);
if (status != MMAL_SUCCESS)
{
printf("Unable to enable control port : error %d", status);
mmal_component_destroy(camera);
return NULL;
}
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config;
cam_config.hdr.id = MMAL_PARAMETER_CAMERA_CONFIG;
cam_config.hdr.size = sizeof(cam_config);
cam_config.max_stills_w = Width;
cam_config.max_stills_h = Height;
cam_config.stills_yuv422 = 0;
cam_config.one_shot_stills = 0;
cam_config.max_preview_video_w = Width;
cam_config.max_preview_video_h = Height;
cam_config.num_preview_video_frames = 3;
cam_config.stills_capture_circular_buffer_height = 0;
cam_config.fast_preview_resume = 0;
cam_config.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC;
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
// setup preview port format - QUESTION: Needed if we aren't using preview?
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = Width;
format->es->video.height = Height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = Width;
format->es->video.crop.height = Height;
format->es->video.frame_rate.num = FrameRate;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set preview port format : error %d", status);
mmal_component_destroy(camera);
return NULL;
}
//setup video port format
format = video_port->format;
format->encoding = MMAL_ENCODING_I420;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = Width;
format->es->video.height = Height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = Width;
format->es->video.crop.height = Height;
format->es->video.frame_rate.num = FrameRate;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(video_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set video port format : error %d", status);
mmal_component_destroy(camera);
return NULL;
}
//setup still port format
format = still_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = Width;
format->es->video.height = Height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = Width;
format->es->video.crop.height = Height;
format->es->video.frame_rate.num = 1;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(still_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set still port format : error %d", status);
mmal_component_destroy(camera);
return NULL;
}
//apply all camera parameters
raspicamcontrol_set_all_parameters(camera, &CameraParameters);
//enable the camera
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS)
{
printf("Couldn't enable camera\n");
mmal_component_destroy(camera);
return NULL;
}
return camera;
}
/**
* Create the camera component, set up its ports
*
* @param state Pointer to state control struct. 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;
}
int main(int argc, char **argv)
{
MMAL_COMPONENT_T *camera =0;
MMAL_COMPONENT_T *preview=0;
MMAL_COMPONENT_T *encoder=0;
MMAL_CONNECTION_T *preview_conn=0;
MMAL_CONNECTION_T *encoder_conn=0;
USERDATA_T callback_data;
// bcm should be initialized before any GPU call is made
bcm_host_init();
setNonDefaultOptions(argc, argv);
// Open file to save the video
open_new_file_handle(&callback_data, output_file_name);
fprintf(stderr, "Output Filename: %s\n", output_file_name);
// Create Camera, set default values and enable it
vcos_assert((mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera) == MMAL_SUCCESS)
&& "Failed creating camera component");
vcos_assert((set_camera_component_defaults(camera)) == MMAL_SUCCESS
&& "Failed setting camera components default values");
vcos_assert((mmal_component_enable(camera) == MMAL_SUCCESS)
&& "Failed to enable camera component");
// Create Preview, set default values and enable it
vcos_assert((mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_RENDERER, &preview) == MMAL_SUCCESS)
&& "Failed creating preview component");
vcos_assert((set_preview_component_defaults(preview) == MMAL_SUCCESS)
&& "Failed setting preview components default values");
vcos_assert((mmal_component_enable(preview) == MMAL_SUCCESS)
&& "Failed to enable camera component");
// Create Encoder, set defaults, enable it and create encoder pool
vcos_assert((mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_ENCODER, &encoder) == MMAL_SUCCESS)
&& "Failed to create encoder component");
vcos_assert((encoder->input_num && encoder->output_num)
&& "Video encoder does not have input/output ports\n");
set_encoder_component_defaults(encoder);
vcos_assert((mmal_component_enable(encoder) == MMAL_SUCCESS)
&& "Failed enabling encoder component");
callback_data.pool = (MMAL_POOL_T *)mmal_port_pool_create(encoder->output[0],
encoder->output[0]->buffer_num, encoder->output[0]->buffer_size);
vcos_assert(callback_data.pool && "Failed creating encoder pool\n");
// Setup connections
vcos_assert((mmal_connection_create(&preview_conn, camera->output[0], preview->input[0],
MMAL_CONNECTION_FLAG_TUNNELLING | MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT) == MMAL_SUCCESS)
&& "Failed stablishing connection between camera output 0 and preview");
vcos_assert((mmal_connection_enable(preview_conn) == MMAL_SUCCESS)
&& "Failed enabling connection between camera output 0 and preview");
vcos_assert((mmal_connection_create(&encoder_conn, camera->output[1], encoder->input[0],
// MMAL_CONNECTION_FLAG_TUNNELLING | MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT) == MMAL_SUCCESS)
MMAL_CONNECTION_FLAG_ALLOCATION_ON_INPUT) == MMAL_SUCCESS)
&& "Failed creating encoder connection to capture (camera output 1)");
vcos_assert((mmal_connection_enable(encoder_conn) == MMAL_SUCCESS)
&& "Failed enabling encoder connection to capture (campera output 1)");
encoder_conn->callback = connection_video2encoder_callback;
// Set callback and enable encoder port
encoder->output[0]->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
vcos_assert(MMAL_SUCCESS == mmal_port_enable(encoder->output[0], encoder_callback));
// Send the buffer to encode output port
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(callback_data.pool->queue);
vcos_assert((mmal_port_send_buffer(encoder->output[0], buffer)== MMAL_SUCCESS)
&& "Unable to send buffer to encoder output port");
vcos_assert((mmal_port_parameter_set_boolean(camera->output[1], MMAL_PARAMETER_CAPTURE, 1) == MMAL_SUCCESS)
&& "Unable to set camera->output[1] capture parameter");
consume_queue_on_connection(encoder_conn->out, encoder_conn->pool->queue);
while(1)
{
vcos_sleep(1000); // wait for exit call
if (exit_prog){
vcos_sleep(500); // exit called, wait for all buffers be flushed
break;
}
}
return 0;
}
MMAL_COMPONENT_T* CCameraOutput::createResizeComponentAndSetupPorts(MMAL_PORT_T* video_output_port, bool do_argb_conversion)
{
MMAL_COMPONENT_T *resizer = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *input_port = NULL, *output_port = NULL;
MMAL_STATUS_T status;
//create the camera component
status = mmal_component_create("vc.ril.resize", &resizer);
if (status != MMAL_SUCCESS)
{
printf("Failed to create reszie component\n");
goto error;
}
//check we have output ports
if (resizer->output_num != 1 || resizer->input_num != 1)
{
printf("Resizer doesn't have correct ports");
goto error;
}
//get the ports
input_port = resizer->input[0];
output_port = resizer->output[0];
mmal_format_copy(input_port->format,video_output_port->format);
input_port->buffer_num = 3;
status = mmal_port_format_commit(input_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set resizer input port format : error %d", status);
goto error;
}
mmal_format_copy(output_port->format,input_port->format);
if(do_argb_conversion)
{
output_port->format->encoding = MMAL_ENCODING_RGBA;
output_port->format->encoding_variant = MMAL_ENCODING_RGBA;
}
output_port->format->es->video.width = Width;
output_port->format->es->video.height = Height;
output_port->format->es->video.crop.x = 0;
output_port->format->es->video.crop.y = 0;
output_port->format->es->video.crop.width = Width;
output_port->format->es->video.crop.height = Height;
status = mmal_port_format_commit(output_port);
if (status != MMAL_SUCCESS)
{
printf("Couldn't set resizer output port format : error %d", status);
goto error;
}
return resizer;
error:
if(resizer)
mmal_component_destroy(resizer);
return NULL;
}
void MmalVideoCamera::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");
}
MMAL_CHECK(mmal_port_parameter_set_uint32(camera->control, MMAL_PARAMETER_CAMERA_CUSTOM_SENSOR_CONFIG, MMAL_VIDEO_SENSOR_MODE));
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_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 = 0;
cameraConfig.max_preview_video_w = m_imagePreviewWidth;
cameraConfig.max_preview_video_h = m_imagePreviewHeight;
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()");
}
//
// Setup the video port
//
format = video_port->format;
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 = m_frameRate;
format->es->video.frame_rate.den = FULL_RES_VIDEO_FRAME_RATE_DEN;
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;
}
// 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");
}
//int iso = 100;
//MMAL_CHECK(mmal_port_parameter_set_uint32(camera->control, MMAL_PARAMETER_ISO, iso));
// MMAL_PARAM_EXPOSUREMODE_OFF
//MMAL_PARAMETER_EXPOSUREMODE_T exp_mode = {{MMAL_PARAMETER_EXPOSURE_MODE, sizeof(exp_mode)}, MMAL_PARAM_EXPOSUREMODE_AUTO};
//MMAL_CHECK(mmal_port_parameter_set(camera->control, &exp_mode.hdr));
/*
// AWB MODE
{
std::cout << "Disabling auto white balancing" << std::endl;
MMAL_PARAMETER_AWBMODE_T param = {{MMAL_PARAMETER_AWB_MODE,sizeof(param)}, MMAL_PARAM_AWBMODE_OFF};
mmal_port_parameter_set(camera->control, ¶m.hdr);
}
// AWB GAIN
{
real redGain = 0.2;
real blueGain = 1.0;
std::cout << "Setting color gain, r=" << redGain << ", b=" << blueGain << std::endl;
MMAL_PARAMETER_AWB_GAINS_T param = {{MMAL_PARAMETER_CUSTOM_AWB_GAINS,sizeof(param)}, {0,0}, {0,0}};
param.r_gain.num = (unsigned int)(redGain * 65536);
param.b_gain.num = (unsigned int)(blueGain * 65536);
param.r_gain.den = param.b_gain.den = 65536;
mmal_port_parameter_set(camera->control, ¶m.hdr);
}
*/
std::cout << "Camera Enabled..." << std::endl;
}
catch (...)
{
if (camera != NULL)
{
mmal_component_destroy(camera);
}
throw;
}
m_camera = camera;
m_videoPort = video_port;
m_stillPort = still_port;
m_previewPort = preview_port;
}
static av_cold int ffmmal_init_decoder(AVCodecContext *avctx)
{
MMALDecodeContext *ctx = avctx->priv_data;
MMAL_STATUS_T status;
MMAL_ES_FORMAT_T *format_in;
MMAL_COMPONENT_T *decoder;
char tmp[32];
int ret = 0;
bcm_host_init();
if (mmal_vc_init()) {
av_log(avctx, AV_LOG_ERROR, "Cannot initialize MMAL VC driver!\n");
return AVERROR(ENOSYS);
}
if ((ret = ff_get_format(avctx, avctx->codec->pix_fmts)) < 0)
return ret;
avctx->pix_fmt = ret;
if ((status = mmal_component_create(MMAL_COMPONENT_DEFAULT_VIDEO_DECODER, &ctx->decoder)))
goto fail;
decoder = ctx->decoder;
format_in = decoder->input[0]->format;
format_in->type = MMAL_ES_TYPE_VIDEO;
switch (avctx->codec_id) {
case AV_CODEC_ID_MPEG2VIDEO:
format_in->encoding = MMAL_ENCODING_MP2V;
break;
case AV_CODEC_ID_MPEG4:
format_in->encoding = MMAL_ENCODING_MP4V;
break;
case AV_CODEC_ID_VC1:
format_in->encoding = MMAL_ENCODING_WVC1;
break;
case AV_CODEC_ID_H264:
default:
format_in->encoding = MMAL_ENCODING_H264;
break;
}
format_in->es->video.width = FFALIGN(avctx->width, 32);
format_in->es->video.height = FFALIGN(avctx->height, 16);
format_in->es->video.crop.width = avctx->width;
format_in->es->video.crop.height = avctx->height;
format_in->es->video.frame_rate.num = 24000;
format_in->es->video.frame_rate.den = 1001;
format_in->es->video.par.num = avctx->sample_aspect_ratio.num;
format_in->es->video.par.den = avctx->sample_aspect_ratio.den;
format_in->flags = MMAL_ES_FORMAT_FLAG_FRAMED;
av_get_codec_tag_string(tmp, sizeof(tmp), format_in->encoding);
av_log(avctx, AV_LOG_DEBUG, "Using MMAL %s encoding.\n", tmp);
#if HAVE_MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
if (mmal_port_parameter_set_uint32(decoder->input[0], MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS,
-1 - ctx->extra_decoder_buffers)) {
av_log(avctx, AV_LOG_WARNING, "Could not set input buffering limit.\n");
}
#endif
if ((status = mmal_port_format_commit(decoder->input[0])))
goto fail;
decoder->input[0]->buffer_num =
FFMAX(decoder->input[0]->buffer_num_min, 20);
decoder->input[0]->buffer_size =
FFMAX(decoder->input[0]->buffer_size_min, 512 * 1024);
ctx->pool_in = mmal_pool_create(decoder->input[0]->buffer_num, 0);
if (!ctx->pool_in) {
ret = AVERROR(ENOMEM);
goto fail;
}
if ((ret = ffmal_update_format(avctx)) < 0)
goto fail;
ctx->queue_decoded_frames = mmal_queue_create();
if (!ctx->queue_decoded_frames)
goto fail;
decoder->input[0]->userdata = (void*)avctx;
decoder->output[0]->userdata = (void*)avctx;
decoder->control->userdata = (void*)avctx;
if ((status = mmal_port_enable(decoder->control, control_port_cb)))
goto fail;
if ((status = mmal_port_enable(decoder->input[0], input_callback)))
goto fail;
if ((status = mmal_port_enable(decoder->output[0], output_callback)))
goto fail;
if ((status = mmal_component_enable(decoder)))
goto fail;
return 0;
fail:
ffmmal_close_decoder(avctx);
return ret < 0 ? ret : AVERROR_UNKNOWN;
}
/**
* Create the camera component, set up its ports
*
* @param state Pointer to state control struct
*
* @return 0 if failed, pointer to component if successful
*
*/
static MMAL_COMPONENT_T *create_camera_component(RASPISTILLYUV_STATE *state)
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
MMAL_POOL_T *pool;
/* Create the component */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to create camera component");
goto error;
}
if (!camera->output_num)
{
vcos_log_error("Camera doesn't have output ports");
goto error;
}
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, camera_control_callback);
if (status)
{
vcos_log_error("Unable to enable control port : error %d", status);
goto error;
}
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config =
{
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof(cam_config) },
.max_stills_w = state->width,
.max_stills_h = state->height,
.stills_yuv422 = 0,
.one_shot_stills = 0,
.max_preview_video_w = state->preview_parameters.previewWindow.width,
.max_preview_video_h = state->preview_parameters.previewWindow.height,
.num_preview_video_frames = 3,
.stills_capture_circular_buffer_height = 0,
.fast_preview_resume = 0,
.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC
};
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
raspicamcontrol_set_all_parameters(camera, &state->camera_parameters);
// Now set up the port formats
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = state->preview_parameters.previewWindow.width;
format->es->video.height = state->preview_parameters.previewWindow.height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->preview_parameters.previewWindow.width;
format->es->video.crop.height = state->preview_parameters.previewWindow.height;
format->es->video.frame_rate.num = PREVIEW_FRAME_RATE_NUM;
format->es->video.frame_rate.den = PREVIEW_FRAME_RATE_DEN;
status = mmal_port_format_commit(preview_port);
if (status)
{
vcos_log_error("camera viewfinder format couldn't be set");
goto error;
}
// Set the same format on the video port (which we dont use here)
mmal_format_full_copy(video_port->format, format);
status = mmal_port_format_commit(video_port);
if (status)
{
vcos_log_error("camera video format couldn't be set");
goto error;
}
// Ensure there are enough buffers to avoid dropping frames
if (video_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
video_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
format = still_port->format;
// Set our stills format on the stills port
format->encoding = MMAL_ENCODING_I420;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = STILLS_FRAME_RATE_NUM;
format->es->video.frame_rate.den = STILLS_FRAME_RATE_DEN;
if (still_port->buffer_size < still_port->buffer_size_min)
still_port->buffer_size = still_port->buffer_size_min;
still_port->buffer_num = still_port->buffer_num_recommended;
status = mmal_port_format_commit(still_port);
if (status)
{
vcos_log_error("camera still format couldn't be set");
goto error;
}
/* Enable component */
status = mmal_component_enable(camera);
if (status)
{
vcos_log_error("camera component couldn't be enabled");
goto error;
}
/* Create pool of buffer headers for the output port to consume */
pool = mmal_port_pool_create(still_port, still_port->buffer_num, still_port->buffer_size);
if (!pool)
{
vcos_log_error("Failed to create buffer header pool for camera still port %s", still_port->name);
}
state->camera_pool = pool;
state->camera_component = camera;
if (state->verbose)
printf("Camera component done\n");
return camera;
error:
if (camera)
mmal_component_destroy(camera);
return 0;
}
/**
* Create the encoder 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_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;
//printf("point1\n");
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;
// 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);
//printf("point2\n");
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 (state->quantisationParameter)
{
MMAL_PARAMETER_UINT32_T param = {{ MMAL_PARAMETER_VIDEO_ENCODE_INITIAL_QUANT, sizeof(param)}, state->quantisationParameter};
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->quantisationParameter};
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->quantisationParameter};
status = mmal_port_parameter_set(encoder_output, ¶m3.hdr);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to set max QP");
goto error;
}
}
{
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].profile = MMAL_VIDEO_PROFILE_H264_HIGH;
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..
}
//set INLINE VECTORS flag to request motion vector estimates
if (mmal_port_parameter_set_boolean(encoder_output, MMAL_PARAMETER_VIDEO_ENCODE_INLINE_VECTORS, state->inlineMotionVectors) != MMAL_SUCCESS)
{
vcos_log_error("failed to set INLINE VECTORS parameters");
// 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);
goto error;
}
state->encoder_pool = pool;
state->encoder_component = encoder;
/*if (state->verbose)
fprintf(stderr, "Encoder component done\n");
*/
return status;
error:
if (encoder)
mmal_component_destroy(encoder);
state->encoder_component = NULL;
return status;
}
PiCam::PiCam(unsigned int width, unsigned int height, std::function<void(cv::Mat)> callback) :
width(width), height(height), callback(callback), videoPool(videoPool),
cameraComponent(nullptr), previewPort(nullptr), videoPort(nullptr), stillPort(nullptr)
{
bcm_host_init();
std::cout << "BCM HOST INIT Finished" << std::endl;
MMAL_STATUS_T status;
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &cameraComponent);
if(status != MMAL_SUCCESS) throw std::runtime_error("Couldn't create camera component.");
if(!cameraComponent->output_num) throw std::runtime_error("Camera doesn't have output ports.");
videoPort = cameraComponent->output[MMAL_CAMERA_VIDEO_PORT];
stillPort = cameraComponent->output[MMAL_CAMERA_CAPTURE_PORT];
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config =
{
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof(cam_config) },
.max_stills_w = width,
.max_stills_h = height,
.stills_yuv422 = 0,
.one_shot_stills = 0,
.max_preview_video_w = width,
.max_preview_video_h = 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(cameraComponent->control, &cam_config.hdr);
}
// Setup format for the video port.
MMAL_ES_FORMAT_T* format = videoPort->format;
format->encoding = MMAL_ENCODING_BGR24;
format->encoding_variant = MMAL_ENCODING_BGR24;
//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 = VIDEO_FRAME_RATE_DEN;
status = mmal_port_format_commit(videoPort);
if(status) throw std::runtime_error("Couldn't set video format.");
status = mmal_port_enable(videoPort, PiCam::video_buffer_callback);
if(status) throw std::runtime_error("Couldn't enable video buffer callback");
if (videoPort->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
videoPort->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
// Setup format for the still port.
format = stillPort->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(stillPort);
if(status) throw std::runtime_error("Couldn't set still format.");
// Ensure there are enough buffers to avoid dropping frames.
if (stillPort->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
stillPort->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
videoPort->buffer_size = videoPort->buffer_size_recommended;
videoPort->buffer_num = videoPort->buffer_num_recommended;
videoPool = mmal_port_pool_create(videoPort, videoPort->buffer_num, videoPort->buffer_size);
if(!videoPool) throw std::runtime_error("Couldn't create buffer header pool for video output port");
MMAL_PARAMETER_EXPOSUREMODE_T exp_mode = {{MMAL_PARAMETER_EXPOSURE_MODE,sizeof(exp_mode)}, MMAL_PARAM_EXPOSUREMODE_FIXEDFPS};
status = mmal_port_parameter_set(cameraComponent->control, &exp_mode.hdr);
status = mmal_component_enable(cameraComponent);
//
frame = cv::Mat(height, width, CV_8UC3);
videoPort->userdata = (struct MMAL_PORT_USERDATA_T*)this;
/*
if (mmal_port_parameter_set_boolean(videoPort, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
{
throw std::runtime_error("Couldn't start video capture");
}
int num = mmal_queue_length(videoPool->queue);
int q;
for (q=0;q<num;q++)
{
MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(videoPool->queue);
// TODO: Add numbers to these error messages.
if (!buffer)
throw std::runtime_error("Unable to get a required buffer from pool queue");
if (mmal_port_send_buffer(videoPort, buffer)!= MMAL_SUCCESS)
throw std::runtime_error("Unable to send a buffer to an encoder output port");
}
*/
}
/**
* 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_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;
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;
if (state->verbose)
fprintf(stderr, "Encoder component done\n");
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
*
*/
static MMAL_STATUS_T create_camera_component(RASPIVID_STATE *state)
{
MMAL_COMPONENT_T *camera = 0;
MMAL_ES_FORMAT_T *format;
MMAL_PORT_T *preview_port = NULL, *video_port = NULL, *still_port = NULL;
MMAL_STATUS_T status;
/* Create the component */
status = mmal_component_create(MMAL_COMPONENT_DEFAULT_CAMERA, &camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Failed to create camera component");
goto error;
}
if (!camera->output_num)
{
status = MMAL_ENOSYS;
vcos_log_error("Camera doesn't have output ports");
goto error;
}
preview_port = camera->output[MMAL_CAMERA_PREVIEW_PORT];
video_port = camera->output[MMAL_CAMERA_VIDEO_PORT];
still_port = camera->output[MMAL_CAMERA_CAPTURE_PORT];
// Enable the camera, and tell it its control callback function
status = mmal_port_enable(camera->control, camera_control_callback);
if (status != MMAL_SUCCESS)
{
vcos_log_error("Unable to enable control port : error %d", status);
goto error;
}
// set up the camera configuration
{
MMAL_PARAMETER_CAMERA_CONFIG_T cam_config =
{
{ MMAL_PARAMETER_CAMERA_CONFIG, sizeof(cam_config) },
.max_stills_w = state->width,
.max_stills_h = state->height,
.stills_yuv422 = 0,
.one_shot_stills = 0,
.max_preview_video_w = state->width,
.max_preview_video_h = state->height,
.num_preview_video_frames = 3,
.stills_capture_circular_buffer_height = 0,
.fast_preview_resume = 0,
.use_stc_timestamp = MMAL_PARAM_TIMESTAMP_MODE_RESET_STC
};
mmal_port_parameter_set(camera->control, &cam_config.hdr);
}
// Now set up the port formats
// Set the encode format on the Preview port
// HW limitations mean we need the preview to be the same size as the required recorded output
format = preview_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->encoding = MMAL_ENCODING_OPAQUE;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = state->framerate;
format->es->video.frame_rate.den = VIDEO_FRAME_RATE_DEN;
status = mmal_port_format_commit(preview_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera viewfinder format couldn't be set");
goto error;
}
// Set the encode format on the video port
format = video_port->format;
format->encoding_variant = MMAL_ENCODING_I420;
format->encoding = MMAL_ENCODING_OPAQUE;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = state->framerate;
format->es->video.frame_rate.den = VIDEO_FRAME_RATE_DEN;
status = mmal_port_format_commit(video_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera video format couldn't be set");
goto error;
}
// Ensure there are enough buffers to avoid dropping frames
if (video_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
video_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
// Set the encode format on the still port
format = still_port->format;
format->encoding = MMAL_ENCODING_OPAQUE;
format->encoding_variant = MMAL_ENCODING_I420;
format->es->video.width = state->width;
format->es->video.height = state->height;
format->es->video.crop.x = 0;
format->es->video.crop.y = 0;
format->es->video.crop.width = state->width;
format->es->video.crop.height = state->height;
format->es->video.frame_rate.num = 1;
format->es->video.frame_rate.den = 1;
status = mmal_port_format_commit(still_port);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera still format couldn't be set");
goto error;
}
/* Ensure there are enough buffers to avoid dropping frames */
if (still_port->buffer_num < VIDEO_OUTPUT_BUFFERS_NUM)
still_port->buffer_num = VIDEO_OUTPUT_BUFFERS_NUM;
/* Enable component */
status = mmal_component_enable(camera);
if (status != MMAL_SUCCESS)
{
vcos_log_error("camera component couldn't be enabled");
goto error;
}
raspicamcontrol_set_all_parameters(camera, &state->camera_parameters);
state->camera_component = camera;
if (state->verbose)
fprintf(stderr, "Camera component done\n");
return status;
error:
if (camera)
mmal_component_destroy(camera);
return status;
}
/**
* 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;
dec->b_need_packetized = true;
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;
}
