C++ (Cpp) mmal_port_parameter_get_uint32 Examples

Example #1

File: mmalomx_parameters.c Project: 6by9/userland

static OMX_ERRORTYPE mmalomx_get_video_param(MMALOMX_PORT_T *port,
   uint32_t *profile, uint32_t *level, uint32_t *intraperiod)
{
   MMAL_PARAMETER_VIDEO_PROFILE_T mmal_param = {{MMAL_PARAMETER_PROFILE, sizeof(mmal_param)},
      {{(MMAL_VIDEO_PROFILE_T)0, (MMAL_VIDEO_LEVEL_T)0}}};

   *profile = *level = *intraperiod = 0;

   mmal_port_parameter_get_uint32(port->mmal, MMAL_PARAMETER_INTRAPERIOD, intraperiod);

   if (mmal_port_parameter_get(port->mmal, &mmal_param.hdr) == MMAL_SUCCESS)
   {
      *profile = mmalil_video_profile_to_omx(mmal_param.profile[0].profile);
      *level = mmalil_video_level_to_omx(mmal_param.profile[0].level);
   }

   return OMX_ErrorNone;
}

Example #2

File: RpiCamera_settings.c Project: berkowski/python-rpicamera

MMAL_STATUS_T get_camera_iso(MMAL_COMPONENT_T *camera, uint32_t *value){
	if (!camera)
		return MMAL_ENOTREADY;

	return mmal_port_parameter_get_uint32(camera->control, MMAL_PARAMETER_ISO, value);
}