示例#1
0
void vc_hostfs_init(void)
{
   // This hostfs module is not thread safe - it allocaes a block
   // of memory and uses it without any kind of locking. 
   //
   // It offers no advantage of stdio, and so most clients should
   // not use it. Arguably FILESYS should use it in order to get
   // the FIFO support.

   const char *thread_name = vcos_thread_get_name(vcos_thread_current());
   if (strcmp(thread_name, "FILESYS") != 0 && strcmp(thread_name, "HFilesys") != 0)
   {
      fprintf(stderr,"%s: vc_hostfs is deprecated. Please use stdio\n",
              vcos_thread_get_name(vcos_thread_current()));
   }

   vcos_log_register("hostfs", &hostfs_log_cat);
   DEBUG_MINOR("init");
   // Allocate memory for the file info table
   p_file_info_table = (file_info_t *)calloc( FILE_INFO_TABLE_CHUNK_LEN, sizeof( file_info_t ) );
   assert( p_file_info_table != NULL );
   if (p_file_info_table)
   {
      file_info_table_len = FILE_INFO_TABLE_CHUNK_LEN;
   }
}
示例#2
0
/**
 * main
 */
int main(int argc, const char **argv)
{
   // Our main data storage vessel..
   RASPISTILL_STATE state;

   MMAL_STATUS_T status = MMAL_SUCCESS;
   MMAL_PORT_T *camera_preview_port = NULL;
   MMAL_PORT_T *camera_video_port = NULL;
   MMAL_PORT_T *camera_still_port = NULL;
   MMAL_PORT_T *preview_input_port = NULL;
   MMAL_PORT_T *encoder_input_port = NULL;
   MMAL_PORT_T *encoder_output_port = NULL;

   bcm_host_init();

   // Register our application with the logging system
   vcos_log_register("RaspiStill", VCOS_LOG_CATEGORY);

   signal(SIGINT, signal_handler);

   default_status(&state);

   // Do we have any parameters
   if (argc == 1)
   {
      fprintf(stderr, "\%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);

      display_valid_parameters(basename(argv[0]));
      exit(0);
   }
示例#3
0
int32_t vc_gpuserv_init( void )
{
   VCHIQ_SERVICE_PARAMS_T vchiq_params;
   VCOS_STATUS_T status = VCOS_ENXIO;
   VCHIQ_STATUS_T vchiq_status;

   vcos_once(&gpuserv_client_once, init_once);

   vcos_mutex_lock(&gpuserv_client.lock);

   if (gpuserv_client.refcount++ > 0)
   {
      /* Already initialised so nothing to do */
      vcos_mutex_unlock(&gpuserv_client.lock);
      return VCOS_SUCCESS;
   }

   vcos_log_set_level(VCOS_LOG_CATEGORY, VCOS_LOG_TRACE);
   vcos_log_register("gpuserv", VCOS_LOG_CATEGORY);

   vcos_log_trace("%s: starting initialisation", VCOS_FUNCTION);

   /* Initialise a VCHIQ instance */
   vchiq_status = vchiq_initialise(&gpuserv_client_vchiq_instance);
   if (vchiq_status != VCHIQ_SUCCESS)
   {
      vcos_log_error("%s: failed to initialise vchiq: %d", VCOS_FUNCTION, vchiq_status);
      goto error;
   }

   vchiq_status = vchiq_connect(gpuserv_client_vchiq_instance);
   if (vchiq_status != VCHIQ_SUCCESS)
   {
      vcos_log_error("%s: failed to connect to vchiq: %d", VCOS_FUNCTION, vchiq_status);
      goto error;
   }

   memset(&vchiq_params, 0, sizeof(vchiq_params));
   vchiq_params.fourcc = VCHIQ_MAKE_FOURCC('G','P','U','S');
   vchiq_params.callback = gpuserv_callback;
   vchiq_params.userdata = NULL;
   vchiq_params.version = 1;
   vchiq_params.version_min = 1;

   vchiq_status = vchiq_open_service(gpuserv_client_vchiq_instance, &vchiq_params, &gpuserv_client.service);
   if (vchiq_status != VCHIQ_SUCCESS)
   {
      vcos_log_error("%s: could not open vchiq service: %d", VCOS_FUNCTION, vchiq_status);
      goto error;
   }
   vcos_mutex_unlock(&gpuserv_client.lock);
   return 0;
error:
   vcos_mutex_unlock(&gpuserv_client.lock);
   return -1;
}
示例#4
0
/* Initialises GL preview state and creates the dispmanx native window.
 * @param state Pointer to the GL preview state.
 * @return Zero if successful.
 */
int raspitex_init(RASPITEX_STATE *state)
{
   VCOS_STATUS_T status;
   int rc;
   vcos_init();

   vcos_log_register("RaspiTex", VCOS_LOG_CATEGORY);
   vcos_log_set_level(VCOS_LOG_CATEGORY,
         state->verbose ? VCOS_LOG_INFO : VCOS_LOG_WARN);
   vcos_log_trace("%s", VCOS_FUNCTION);

   status = vcos_semaphore_create(&state->capture.start_sem,
         "glcap_start_sem", 1);
   if (status != VCOS_SUCCESS)
      goto error;

   status = vcos_semaphore_create(&state->capture.completed_sem,
         "glcap_completed_sem", 0);
   if (status != VCOS_SUCCESS)
      goto error;

   switch (state->scene_id)
   {
      case RASPITEX_SCENE_SQUARE:
         rc = square_open(state);
         break;
      case RASPITEX_SCENE_MIRROR:
         rc = mirror_open(state);
         break;
      case RASPITEX_SCENE_TEAPOT:
         rc = teapot_open(state);
         break;
      case RASPITEX_SCENE_YUV:
         rc = yuv_open(state);
         break;
      case RASPITEX_SCENE_SOBEL:
         rc = sobel_open(state);
         break;

     case RASPITEXT_SCENE_BGS_SIMPLE:
         rc = gl_simple_open(state);
         break;
	  
      default:
         rc = -1;
         break;
   }
   if (rc != 0)
      goto error;

   return 0;

error:
   vcos_log_error("%s: failed", VCOS_FUNCTION);
   return -1;
}
void vcos_logging_init(void)
{
   if (inited)
   {
      // FIXME: should print a warning or something here
      return;
   }

   vcos_mutex_create(&lock, "vcos_log");
   vcos_log_register("default", &dflt_log_category);
   dflt_log_category.flags.want_prefix = 0;
   vcos_assert(!inited);
   inited = 1;
}
示例#6
0
void vcos_logging_init(void)
{
   if (inited)
   {
      /* FIXME: should print a warning or something here */
      return;
   }
   vcos_mutex_create(&lock, "vcos_log");

   vcos_log_platform_init();

   vcos_log_register("default", &dflt_log_category);

#if VCOS_WANT_LOG_CMD
   vcos_cmd_register( &cmd_log );
#endif

   vcos_assert(!inited);
   inited = 1;
}
示例#7
0
/**
 * main
 */
int main(int argc, const char **argv)
{
   // Our main data storage vessel..
   RASPISTILLYUV_STATE state;

   MMAL_STATUS_T status;
   MMAL_PORT_T *camera_preview_port = NULL;
   MMAL_PORT_T *camera_video_port = NULL;
   MMAL_PORT_T *camera_still_port = NULL;
   MMAL_PORT_T *preview_input_port = NULL;
   FILE *output_file = NULL;

   // Register our application with the logging system
   vcos_log_register("RaspiStill", VCOS_LOG_CATEGORY);

   printf("\nRaspiStillYUV Camera App\n");
   printf(  "========================\n\n");

   signal(SIGINT, signal_handler);

   // Do we have any parameters
   if (argc == 1)
   {
      display_valid_parameters();
      exit(0);
   }

   default_status(&state);

   // Parse the command line and put options in to our status structure
   if (parse_cmdline(argc, argv, &state))
   {
      status = -1;
      exit(0);
   }

   if (state.verbose)
      dump_status(&state);

   // OK, we have a nice set of parameters. Now set up our components
   // We have two components. Camera and Preview
   // Camera is different in stills/video, but preview
   // is the same so handed off to a separate module

   if (!create_camera_component(&state))
   {
      vcos_log_error("%s: Failed to create camera component", __func__);
   }
   else if ( !raspipreview_create(&state.preview_parameters))
   {
      vcos_log_error("%s: Failed to create preview component", __func__);
      destroy_camera_component(&state);
   }
   else
   {
      PORT_USERDATA callback_data;

      if (state.verbose)
         printf("Starting component connection stage\n");

      camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
      camera_video_port   = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
      camera_still_port   = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
      preview_input_port  = state.preview_parameters.preview_component->input[0];

      if (state.preview_parameters.wantPreview )
      {
         if (state.verbose)
         {
            printf("Connecting camera preview port to preview input port\n");
            printf("Starting video preview\n");
         }

         // Connect camera to preview
         status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
      }

      if (status == MMAL_SUCCESS)
      {
         VCOS_STATUS_T vcos_status;

         if (state.filename)
         {
            if (state.verbose)
               printf("Opening output file %s\n", state.filename);

            output_file = fopen(state.filename, "wb");
            if (!output_file)
            {
               // Notify user, carry on but discarding encoded output buffers
               vcos_log_error("%s: Error opening output file: %s\nNo output file will be generated\n", __func__, state.filename);
            }
         }

         // Set up our userdata - this is passed though to the callback where we need the information.
         callback_data.file_handle = output_file;
         callback_data.pstate = &state;

         vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
         vcos_assert(vcos_status == VCOS_SUCCESS);

         camera_still_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;

         if (state.verbose)
            printf("Enabling camera still output port\n");

         // Enable the camera still output port and tell it its callback function
         status = mmal_port_enable(camera_still_port, camera_buffer_callback);

         if (status != MMAL_SUCCESS)
         {
            vcos_log_error("Failed to setup camera output");
            goto error;
         }

         if (state.verbose)
            printf("Starting video preview\n");

         // Send all the buffers to the encoder output port
         {
            int num = mmal_queue_length(state.camera_pool->queue);
            int q;
            for (q=0;q<num;q++)
            {
               MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.camera_pool->queue);

               if (!buffer)
                  vcos_log_error("Unable to get a required buffer %d from pool queue", q);

               if (mmal_port_send_buffer(camera_still_port, buffer)!= MMAL_SUCCESS)
                  vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);

            }
         }

         // Now wait until we need to do the capture
         vcos_sleep(state.timeout);

         // And only do the capture if we have specified a filename and its opened OK
         if (output_file)
         {
            if (state.verbose)
               printf("Starting capture\n");

            // Fire the capture
            if (mmal_port_parameter_set_boolean(camera_still_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
            {
               vcos_log_error("%s: Failed to start capture", __func__);
            }
            else
            {
               // Wait for capture to complete
               // For some reason using vcos_semaphore_wait_timeout sometimes returns immediately with bad parameter error
               // even though it appears to be all correct, so reverting to untimed one until figure out why its erratic
               vcos_semaphore_wait(&callback_data.complete_semaphore);

               if (state.verbose)
                  printf("Finished capture\n");
            }
         }

         vcos_semaphore_delete(&callback_data.complete_semaphore);
      }
      else
      {
         mmal_status_to_int(status);
         vcos_log_error("%s: Failed to connect camera to preview", __func__);
      }

error:

      mmal_status_to_int(status);

      if (state.verbose)
         printf("Closing down\n");

      if (output_file)
         fclose(output_file);

      // Disable all our ports that are not handled by connections
      check_disable_port(camera_video_port);

      if (state.preview_parameters.wantPreview )
         mmal_connection_destroy(state.preview_connection);

      /* Disable components */
      if (state.preview_parameters.preview_component)
         mmal_component_disable(state.preview_parameters.preview_component);

      if (state.camera_component)
         mmal_component_disable(state.camera_component);

      raspipreview_destroy(&state.preview_parameters);
      destroy_camera_component(&state);

      if (state.verbose)
         printf("Close down completed, all components disconnected, disabled and destroyed\n\n");
   }

   return 0;
}
示例#8
0
文件: RaspiVid.c 项目: SlugCam/SCnode
/**
 * main
 */
int main(int argc, const char **argv)
{
   // Our main data storage vessel..
   RASPIVID_STATE state;

   MMAL_STATUS_T status = MMAL_SUCCESS;
   MMAL_PORT_T *camera_preview_port = NULL;
   MMAL_PORT_T *camera_video_port = NULL;
   MMAL_PORT_T *camera_still_port = NULL;
   MMAL_PORT_T *preview_input_port = NULL;
   MMAL_PORT_T *encoder_input_port = NULL;
   MMAL_PORT_T *encoder_output_port = NULL;
   FILE *output_file = NULL;

   bcm_host_init();

   // Register our application with the logging system
   vcos_log_register("RaspiVid", VCOS_LOG_CATEGORY);

   signal(SIGINT, signal_handler);

   default_status(&state);

   // Do we have any parameters
   if (argc == 1)
   {
      fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);

      display_valid_parameters(basename(argv[0]));
      exit(0);
   }

   // Parse the command line and put options in to our status structure
   if (parse_cmdline(argc, argv, &state))
   {
      status = -1;
      exit(0);
   }

   if (state.verbose)
   {
      fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);
      dump_status(&state);
   }

   // OK, we have a nice set of parameters. Now set up our components
   // We have three components. Camera, Preview and encoder.

   if ((status = create_camera_component(&state)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create camera component", __func__);
   }
   else if ((status = raspipreview_create(&state.preview_parameters)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create preview component", __func__);
      destroy_camera_component(&state);
   }
   else if ((status = create_encoder_component(&state)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create encode component", __func__);
      raspipreview_destroy(&state.preview_parameters);
      destroy_camera_component(&state);
   }
   else
   {
      PORT_USERDATA callback_data;

      if (state.verbose)
         fprintf(stderr, "Starting component connection stage\n");

      camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
      camera_video_port   = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
      camera_still_port   = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
      preview_input_port  = state.preview_parameters.preview_component->input[0];
      encoder_input_port  = state.encoder_component->input[0];
      encoder_output_port = state.encoder_component->output[0];

      if (state.preview_parameters.wantPreview )
      {
         if (state.verbose)
         {
            fprintf(stderr, "Connecting camera preview port to preview input port\n");
            fprintf(stderr, "Starting video preview\n");
         }

         // Connect camera to preview
         status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
      }
      else
      {
         status = MMAL_SUCCESS;
      }

      if (status == MMAL_SUCCESS)
      {
         if (state.verbose)
            fprintf(stderr, "Connecting camera stills port to encoder input port\n");

         // Now connect the camera to the encoder
         status = connect_ports(camera_video_port, encoder_input_port, &state.encoder_connection);

         if (status != MMAL_SUCCESS)
         {
            vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
            goto error;
         }

         if (state.filename)
         {
            if (state.filename[0] == '-')
            {
               output_file = stdout;

               // Ensure we don't upset the output stream with diagnostics/info
               state.verbose = 0;
            }
            else
            {
               if (state.verbose)
                  fprintf(stderr, "Opening output file \"%s\"\n", state.filename);

               output_file = fopen(state.filename, "wb");
            }

            if (!output_file)
            {
               // Notify user, carry on but discarding encoded output buffers
               vcos_log_error("%s: Error opening output file: %s\nNo output file will be generated\n", __func__, state.filename);
            }
         }

         // Set up our userdata - this is passed though to the callback where we need the information.
         callback_data.file_handle = output_file;
		 callback_data.image = Mat(Size(state.width, state.height), CV_8UC1);
         callback_data.pstate = &state;
         callback_data.abort = 0;

         encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;

         if (state.verbose)
            fprintf(stderr, "Enabling encoder output port\n");

         // Enable the encoder output port and tell it its callback function
         status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);

         if (status != MMAL_SUCCESS)
         {
            vcos_log_error("Failed to setup encoder output");
            goto error;
         }

         if (state.demoMode)
         {
            // Run for the user specific time..
            int num_iterations = state.timeout / state.demoInterval;
            int i;

            if (state.verbose)
               fprintf(stderr, "Running in demo mode\n");

            for (i=0;state.timeout == 0 || i<num_iterations;i++)
            {
               raspicamcontrol_cycle_test(state.camera_component);
               vcos_sleep(state.demoInterval);
            }
         }
         else
         {
            // Only encode stuff if we have a filename and it opened
            if (output_file)
            {
               int wait;

               if (state.verbose)
                  fprintf(stderr, "Starting video capture\n");

               if (mmal_port_parameter_set_boolean(camera_video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
               {
                  goto error;
               }

               // Send all the buffers to the encoder output port
               {
                  int num = mmal_queue_length(state.encoder_pool->queue);
                  int q;
                  for (q=0;q<num;q++)
                  {
                     MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.encoder_pool->queue);

                     if (!buffer)
                        vcos_log_error("Unable to get a required buffer %d from pool queue", q);

                     if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
                        vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);

                  }
               }

               // Now wait until we need to stop. Whilst waiting we do need to check to see if we have aborted (for example
               // out of storage space)
               // Going to check every ABORT_INTERVAL milliseconds

               for (wait = 0; state.timeout == 0 || wait < state.timeout; wait+= ABORT_INTERVAL)
               {
                  vcos_sleep(ABORT_INTERVAL);
                  if (callback_data.abort)
                     break;
               }

               if (state.verbose)
                  fprintf(stderr, "Finished capture\n");
            }
            else
            {
               if (state.timeout)
                  vcos_sleep(state.timeout);
               else
                  for (;;) vcos_sleep(ABORT_INTERVAL);
            }
         }
      }
      else
      {
         mmal_status_to_int(status);
         vcos_log_error("%s: Failed to connect camera to preview", __func__);
      }

error:

      mmal_status_to_int(status);

      if (state.verbose)
         fprintf(stderr, "Closing down\n");

      // Disable all our ports that are not handled by connections
      check_disable_port(camera_still_port);
      check_disable_port(encoder_output_port);

      if (state.preview_parameters.wantPreview )
         mmal_connection_destroy(state.preview_connection);
      mmal_connection_destroy(state.encoder_connection);

      // Can now close our file. Note disabling ports may flush buffers which causes
      // problems if we have already closed the file!
      if (output_file && output_file != stdout)
         fclose(output_file);

      /* Disable components */
      if (state.encoder_component)
         mmal_component_disable(state.encoder_component);

      if (state.preview_parameters.preview_component)
         mmal_component_disable(state.preview_parameters.preview_component);

      if (state.camera_component)
         mmal_component_disable(state.camera_component);

      destroy_encoder_component(&state);
      raspipreview_destroy(&state.preview_parameters);
      destroy_camera_component(&state);

      if (state.verbose)
         fprintf(stderr, "Close down completed, all components disconnected, disabled and destroyed\n\n");
   }

   if (status != MMAL_SUCCESS)
      raspicamcontrol_check_configuration(128);

   return 0;
}
示例#9
0
文件: debug_sym.c 项目: 6by9/userland
int OpenVideoCoreMemoryFileWithOffset( const char *filename, VC_MEM_ACCESS_HANDLE_T *vcHandlePtr, size_t loadOffset )
{
    int                     rc = 0;
    VC_MEM_ACCESS_HANDLE_T  newHandle;
    VC_DEBUG_SYMBOL_T       debug_sym;
    VC_MEM_ADDR_T           symAddr;
    size_t                  symTableSize;
    unsigned                symIdx;

    struct
    {
        VC_DEBUG_HEADER_T header;
        VC_DEBUG_PARAMS_T params;

    } vc_dbg;

    vcos_log_register( "debug_sym", &debug_sym_log_category );

    if (( newHandle = calloc( 1, sizeof( *newHandle ))) == NULL )
    {
        return -ENOMEM;
    }

    if ( filename == NULL )
    {
        newHandle->use_vc_mem = 1;
        filename = "/dev/vc-mem";
    }
    else
    {
        newHandle->use_vc_mem = 0;
    }

    if (( newHandle->memFd = open( filename, ( newHandle->use_vc_mem ? O_RDWR : O_RDONLY ) | O_SYNC )) < 0 )
    {
        ERR( "Unable to open '%s': %s(%d)\n", filename, strerror( errno ), errno );
        free(newHandle);
        return -errno;
    }
    DBG( "Opened %s memFd = %d", filename, newHandle->memFd );

    if ( newHandle->use_vc_mem )
    {
        newHandle->memFdBase = 0;

#if defined(WIN32) || defined(__CYGWIN__)
#define VC_MEM_SIZE  (128 * 1024 * 1024)
        newHandle->vcMemSize = VC_MEM_SIZE;
        newHandle->vcMemBase = 0;
        newHandle->vcMemLoad = 0;
        newHandle->vcMemPhys = 0;
#else
        if ( ioctl( newHandle->memFd, VC_MEM_IOC_MEM_SIZE, &newHandle->vcMemSize ) != 0 )
        {
            ERR( "Failed to get memory size via ioctl: %s(%d)\n",
                strerror( errno ), errno );
            free(newHandle);
            return -errno;
        }
        if ( ioctl( newHandle->memFd, VC_MEM_IOC_MEM_BASE, &newHandle->vcMemBase ) != 0 )
        {
            ERR( "Failed to get memory base via ioctl: %s(%d)\n",
                strerror( errno ), errno );
            free(newHandle);
            return -errno;
        }
        if ( ioctl( newHandle->memFd, VC_MEM_IOC_MEM_LOAD, &newHandle->vcMemLoad ) != 0 )
        {
            ERR( "Failed to get memory load via ioctl: %s(%d)\n",
                strerror( errno ), errno );
				/* Backward compatibility. */
            newHandle->vcMemLoad = newHandle->vcMemBase;
        }
        if ( ioctl( newHandle->memFd, VC_MEM_IOC_MEM_PHYS_ADDR, &newHandle->vcMemPhys ) != 0 )
        {
            ERR( "Failed to get memory physical address via ioctl: %s(%d)\n",
                strerror( errno ), errno );
            free(newHandle);
            return -errno;
        }
#endif
    }
    else
    {
        off_t len = lseek( newHandle->memFd, 0, SEEK_END );
        if ( len < 0 )
        {
            ERR( "Failed to seek to end of file: %s(%d)\n", strerror( errno ), errno );
            free(newHandle);
            return -errno;
        }
        newHandle->vcMemPhys = 0;
        newHandle->vcMemSize = len;
        newHandle->vcMemBase = 0;
        newHandle->vcMemLoad = loadOffset;
        newHandle->memFdBase = 0;
    }

    DBG( "vcMemSize = %08x", newHandle->vcMemSize );
    DBG( "vcMemBase = %08x", newHandle->vcMemBase );
    DBG( "vcMemLoad = %08x", newHandle->vcMemLoad );
    DBG( "vcMemPhys = %08x", newHandle->vcMemPhys );

    newHandle->vcMemEnd = newHandle->vcMemBase + newHandle->vcMemSize - 1;

    // See if we can detect the symbol table
    if ( !ReadVideoCoreMemory( newHandle,
                               &newHandle->vcSymbolTableOffset,
                               newHandle->vcMemLoad + VC_SYMBOL_BASE_OFFSET,
                               sizeof( newHandle->vcSymbolTableOffset )))
    {
        ERR( "ReadVideoCoreMemory @VC_SYMBOL_BASE_OFFSET (0x%08x) failed\n", VC_SYMBOL_BASE_OFFSET );
        rc = -EIO;
        goto err_exit;
    }

    // When reading from a file, the VC binary is read into a buffer and the effective base is 0.
    // But that may not be the actual base address the binary is intended to be loaded to.  The
    // following reads the debug header to find out what the actual base address is.
    if( !newHandle->use_vc_mem )
    {
        // Read the complete debug header
        if ( !ReadVideoCoreMemory( newHandle,
                                   &vc_dbg,
                                   newHandle->vcMemLoad + VC_SYMBOL_BASE_OFFSET,
                                   sizeof( vc_dbg )))
        {
            ERR( "ReadVideoCoreMemory @VC_SYMBOL_BASE_OFFSET (0x%08x) failed\n", VC_SYMBOL_BASE_OFFSET );
            rc = -EIO;
            goto err_exit;
        }
        // The vc_dbg header gives the "base" address of the VC binary,
        // which debug_sym calls the "load" address, so we need to adjust
        // it by loadOffset to find the base of the whole memory dump file
        newHandle->memFdBase = vc_dbg.params.vcMemBase - loadOffset;
        newHandle->vcMemBase = vc_dbg.params.vcMemBase - loadOffset;
        newHandle->vcMemLoad = vc_dbg.params.vcMemBase;
        newHandle->vcMemEnd = newHandle->memFdBase + newHandle->vcMemSize - 1;

        DBG( "Updated from debug header:" );
        DBG( "vcMemSize = %08x", newHandle->vcMemSize );
        DBG( "vcMemBase = %08x", newHandle->vcMemBase );
        DBG( "vcMemLoad = %08x", newHandle->vcMemLoad );
        DBG( "vcMemPhys = %08x", newHandle->vcMemPhys );
    }

    DBG( "vcSymbolTableOffset = 0x%08x", newHandle->vcSymbolTableOffset );

    // Make sure that the pointer points into the first few megabytes of
    // the memory space.
    if ( (newHandle->vcSymbolTableOffset - newHandle->vcMemLoad) > ( MAX_VC_SIZE * 1024 * 1024 ))
    {
        ERR( "newHandle->vcSymbolTableOffset (0x%x - 0x%x) > %dMB\n", newHandle->vcSymbolTableOffset, newHandle->vcMemLoad, MAX_VC_SIZE );
        rc = -EIO;
        goto err_exit;
    }

    // Make a pass to count how many symbols there are.

    symAddr = newHandle->vcSymbolTableOffset;
    newHandle->numSymbols = 0;
    do
    {
        if ( !ReadVideoCoreMemory( newHandle,
                                   &debug_sym,
                                   symAddr,
                                   sizeof( debug_sym )))
        {
            ERR( "ReadVideoCoreMemory @ symAddr(0x%08x) failed\n", symAddr );
            rc = -EIO;
            goto err_exit;
        }

        newHandle->numSymbols++;

        DBG( "Symbol %d: label: 0x%p addr: 0x%08x size: %zu",
             newHandle->numSymbols,
             debug_sym.label,
             debug_sym.addr,
             debug_sym.size );

        if ( newHandle->numSymbols > 1024 )
        {
            // Something isn't sane.

            ERR( "numSymbols (%d) > 1024 - looks wrong\n", newHandle->numSymbols );
            rc = -EIO;
            goto err_exit;
        }
        symAddr += sizeof( debug_sym );

    } while ( debug_sym.label != 0 );
    newHandle->numSymbols--;

    DBG( "Detected %d symbols", newHandle->numSymbols );

    // Allocate some memory to hold the symbols, and read them in.

    symTableSize = newHandle->numSymbols * sizeof( debug_sym );
    if (( newHandle->symbol = malloc( symTableSize )) == NULL )
    {
        rc = -ENOMEM;
        goto err_exit;
    }
    if ( !ReadVideoCoreMemory( newHandle,
                               newHandle->symbol,
                               newHandle->vcSymbolTableOffset,
                               symTableSize ))
    {
        ERR( "ReadVideoCoreMemory @ newHandle->vcSymbolTableOffset(0x%08x) failed\n", newHandle->vcSymbolTableOffset );
        rc = -EIO;
        goto err_exit;
    }

    // The names of the symbols are pointers in videocore space. We want
    // to have them available locally, so we make copies and fixup
    // the pointer.

    for ( symIdx = 0; symIdx < newHandle->numSymbols; symIdx++ )
    {
        VC_DEBUG_SYMBOL_T   *sym;
        char                 symName[ 256 ];

        sym = &newHandle->symbol[ symIdx ];

        DBG( "Symbol %d: label: 0x%p addr: 0x%08x size: %zu",
             symIdx,
             sym->label,
             sym->addr,
             sym->size );

        if ( !ReadVideoCoreMemory( newHandle,
                                   symName,
                                   TO_VC_MEM_ADDR(sym->label),
                                   sizeof( symName )))
        {
            ERR( "ReadVideoCoreMemory @ sym->label(0x%08x) failed\n", TO_VC_MEM_ADDR(sym->label) );
            rc = -EIO;
            goto err_exit;
        }
        symName[ sizeof( symName ) - 1 ] = '\0';
        sym->label = vcos_strdup( symName );

        DBG( "Symbol %d (@0x%p): label: '%s' addr: 0x%08x size: %zu",
             symIdx,
             sym,
             sym->label,
             sym->addr,
             sym->size );
    }

    *vcHandlePtr = newHandle;
    return 0;

err_exit:
    close( newHandle->memFd );
    free( newHandle );

    return rc;
}
/**
 * main
 */
int main(int argc, const char **argv)
{
	// *** MODIFICATION: OpenCV modifications.
	// Load previous image.
	IplImage* prevImage = cvLoadImage("motion1.jpg", CV_LOAD_IMAGE_COLOR);
		
	// Create two arrays with the same number of channels than the original one.		
	avg1 = cvCreateMat(prevImage->height,prevImage->width,CV_32FC3);
	avg2 = cvCreateMat(prevImage->height,prevImage->width,CV_32FC3);
		
	// Create image of 32 bits.
	IplImage* image32 = cvCreateImage(cvSize(prevImage->width,prevImage->height), 32,3);
												
	// Convert image to 32 bits.
	cvConvertScale(prevImage,image32,1/255,0);
		
	// Set data from previous image into arrays.
	cvSetData(avg1,image32->imageData,image32->widthStep);
	cvSetData(avg2,image32->imageData,image32->widthStep);
	// *** MODIFICATION end
	
   // Our main data storage vessel..
   RASPISTILL_STATE state;

   MMAL_STATUS_T status = MMAL_SUCCESS;
   MMAL_PORT_T *camera_preview_port = NULL;
   MMAL_PORT_T *camera_video_port = NULL;
   MMAL_PORT_T *camera_still_port = NULL;
   MMAL_PORT_T *preview_input_port = NULL;
   MMAL_PORT_T *encoder_input_port = NULL;
   MMAL_PORT_T *encoder_output_port = NULL;

   bcm_host_init();

   // Register our application with the logging system
   vcos_log_register("fast", VCOS_LOG_CATEGORY);

   signal(SIGINT, signal_handler);

   default_status(&state);     
   
   if (state.verbose)
   {
      fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);      
   }

   // OK, we have a nice set of parameters. Now set up our components
   // We have three components. Camera, Preview and encoder.
   // Camera and encoder are different in stills/video, but preview
   // is the same so handed off to a separate module

   if ((status = create_camera_component(&state)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create camera component", __func__);
   }
   else if ((status = raspipreview_create(&state.preview_parameters)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create preview component", __func__);
      destroy_camera_component(&state);
   }
   else if ((status = create_encoder_component(&state)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create encode component", __func__);
      raspipreview_destroy(&state.preview_parameters);
      destroy_camera_component(&state);
   }
   else
   {
      PORT_USERDATA callback_data;

      if (state.verbose)
         fprintf(stderr, "Starting component connection stage\n");
         
      camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
      camera_video_port   = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
      camera_still_port   = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
      preview_input_port  = state.preview_parameters.preview_component->input[0];
      encoder_input_port  = state.encoder_component->input[0];
      encoder_output_port = state.encoder_component->output[0];

      if (state.preview_parameters.wantPreview )
      {
         if (state.verbose)
         {
            fprintf(stderr, "Connecting camera preview port to preview input port\n");
            fprintf(stderr, "Starting video preview\n");
         }

         // *** USER: remove preview
         // Connect camera to preview
         //status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);

      }
      else
      {
         status = MMAL_SUCCESS;
      }

      if (status == MMAL_SUCCESS)
      {
         VCOS_STATUS_T vcos_status;

         if (state.verbose)
            fprintf(stderr, "Connecting camera stills port to encoder input port\n");

         // Now connect the camera to the encoder
         status = connect_ports(camera_still_port, encoder_input_port, &state.encoder_connection);
         

         if (status != MMAL_SUCCESS)
         {
            vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
            goto error;
         }

         // Set up our userdata - this is passed though to the callback where we need the information.
         // Null until we open our filename
         callback_data.file_handle = NULL;
         callback_data.pstate = &state;
         vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);

         vcos_assert(vcos_status == VCOS_SUCCESS);

         if (status != MMAL_SUCCESS)
         {
            vcos_log_error("Failed to setup encoder output");
            goto error;
         }
         
         FILE *output_file = NULL;
         
         int frame = 1;
         
         // Enable the encoder output port
         encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;
         
         if (state.verbose)
			fprintf(stderr, "Enabling encoder output port\n");
			
		// Enable the encoder output port and tell it its callback function
		status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);
		
		// Create an empty matrix with the size of the buffer.
		CvMat* buf = cvCreateMat(1,60000,CV_8UC1);
		
		// Keep buffer that gets frames from queue.
		MMAL_BUFFER_HEADER_T *buffer;
		
		// Image to be displayed.
		IplImage* image;
		
		// Keep number of buffers and index for the loop.
		int num, q; 
		
		while(1) 
		{
			// Send all the buffers to the encoder output port
			num = mmal_queue_length(state.encoder_pool->queue);
			
			for (q=0;q<num;q++)
			{
				buffer = mmal_queue_get(state.encoder_pool->queue);
				
				if (!buffer)
					vcos_log_error("Unable to get a required buffer %d from pool queue", q);
					
				if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
					vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);
			} // for
			
			if (mmal_port_parameter_set_boolean(camera_still_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
				vcos_log_error("%s: Failed to start capture", __func__);
			
			else
			{
				// Wait for capture to complete
				// For some reason using vcos_semaphore_wait_timeout sometimes returns immediately with bad parameter error
				// even though it appears to be all correct, so reverting to untimed one until figure out why its erratic
				vcos_semaphore_wait(&callback_data.complete_semaphore);
				if (state.verbose)
					fprintf(stderr, "Finished capture %d\n", frame);
			} // else
			
			// Copy buffer from camera to matrix.
			buf->data.ptr = buffer->data;
			
			// This workaround is needed for the code to work
			// *** TODO: investigate why.
			printf("Until here works\n");
			
			// Decode the image and display it.
			image = cvDecodeImage(buf, CV_LOAD_IMAGE_COLOR);
		
			// Destinations
			CvMat* res1 = cvCreateMat(image->height,image->width,CV_8UC3);
			CvMat* res2 = cvCreateMat(image->height,image->width,CV_8UC3);
		
			// Update running averages and then scale, calculate absolute values
			// and convert the result 8-bit.
			// *** USER:change the value of the weight.
			cvRunningAvg(image,avg2,0.0001, NULL);		
			cvConvertScaleAbs(avg2, res2, 1,0);
		
			cvRunningAvg(image,avg1,0.1, NULL);
			cvConvertScaleAbs(avg1, res1, 1,0);
				
			// Show images
			cvShowImage("img",image);
			cvShowImage("avg1",res1);
			cvShowImage("avg2",res2);
			cvWaitKey(20);
		
			// Update previous image.
			cvSaveImage("motion1.jpg", image, 0);
		} // end while 
		
		vcos_semaphore_delete(&callback_data.complete_semaphore);
         
      }
      else
      {
         mmal_status_to_int(status);
         vcos_log_error("%s: Failed to connect camera to preview", __func__);
      }

error:

      mmal_status_to_int(status);

      if (state.verbose)
         fprintf(stderr, "Closing down\n");

      // Disable all our ports that are not handled by connections
      check_disable_port(camera_video_port);
      check_disable_port(encoder_output_port);

      if (state.preview_parameters.wantPreview )
         mmal_connection_destroy(state.preview_connection);

      mmal_connection_destroy(state.encoder_connection);

      /* Disable components */
      if (state.encoder_component)
         mmal_component_disable(state.encoder_component);

      if (state.preview_parameters.preview_component)
         mmal_component_disable(state.preview_parameters.preview_component);

      if (state.camera_component)
         mmal_component_disable(state.camera_component);

      destroy_encoder_component(&state);
      raspipreview_destroy(&state.preview_parameters);
      destroy_camera_component(&state);

      if (state.verbose)
         fprintf(stderr, "Close down completed, all components disconnected, disabled and destroyed\n\n");
   }

   if (status != MMAL_SUCCESS)
      raspicamcontrol_check_configuration(128);
      
   return 0;
}
示例#11
0
int main(int argc, const char **argv)
{
   VCOS_THREAD_ATTR_T attrs;
   int i;

   vcos_init();
   signal(SIGINT, test_signal_handler);

   /* coverity[tainted_data] Ignore unnecessary warning about an attacker
    * being able to pass an arbitrarily long "-vvvvv..." argument */
   if (test_parse_cmdline(argc, argv))
      return -1;

   if (verbosity--)
   {
      static char value[512];
      const char *levels[] = {"warn", "info", "trace"};
      char *env = getenv("VC_LOGLEVEL");
      if (verbosity >= MMAL_COUNTOF(levels)) verbosity = MMAL_COUNTOF(levels) - 1;
      snprintf(value, sizeof(value)-1, "mmalplay:%s,mmal:%s,%s",
               levels[verbosity], levels[verbosity], env ? env : "");
#ifdef WIN32
      _putenv("VC_LOGLEVEL", value, 1);
#else
      setenv("VC_LOGLEVEL", value, 1);
#endif
   }

   vcos_log_register("mmalplay", VCOS_LOG_CATEGORY);
   LOG_INFO("MMAL Video Playback Test App");

   vcos_thread_attr_init(&attrs);
   for (i = 0; i < play_info_count; i++)
   {
      const char *uri = play_info[i].uri;

      memcpy(play_info[i].name, THREAD_PREFIX, sizeof(THREAD_PREFIX));
      if (strlen(uri) >= URI_FOR_THREAD_NAME_MAX)
         uri += strlen(uri) - URI_FOR_THREAD_NAME_MAX;
      strncat(play_info[i].name, uri, URI_FOR_THREAD_NAME_MAX);

      vcos_mutex_create(&play_info[i].lock, "mmalplay");
      play_info[i].options.render_layer = i;

      if (vcos_thread_create(&play_info[i].thread, play_info[i].name, &attrs, mmal_playback, &play_info[i]) != VCOS_SUCCESS)
      {
         LOG_ERROR("Thread creation failure for URI %s", play_info[i].uri);
         return -2;
      }
   }

   if (sleepy_time != 0)
   {
#ifdef WIN32
      Sleep(sleepy_time);
#else
      sleep(sleepy_time);
#endif
      for (i = 0; i < play_info_count; i++)
      {
         vcos_mutex_lock(&play_info[i].lock);
         if (play_info[i].ctx)
            mmalplay_stop(play_info[i].ctx);
         vcos_mutex_unlock(&play_info[i].lock);
      }
   }

   LOG_TRACE("Waiting for threads to terminate");
   for (i = 0; i < play_info_count; i++)
   {
      vcos_thread_join(&play_info[i].thread, NULL);
      LOG_TRACE("Joined thread %d (%i)", i, play_info[i].status);
   }

   LOG_TRACE("Completed");

   /* Check for errors */
   for (i = 0; i < play_info_count; i++)
   {
      if (!play_info[i].status)
         continue;

      LOG_ERROR("Playback of %s failed (%i, %s)", play_info[i].uri,
                play_info[i].status,
                mmal_status_to_string(play_info[i].status));
      fprintf(stderr, "playback of %s failed (%i, %s)\n", play_info[i].uri,
              play_info[i].status,
              mmal_status_to_string(play_info[i].status));
      return play_info[i].status;
   }

   return 0;
}
示例#12
0
MMAL_STATUS_T mmal_vc_init(void)
{
   VCHIQ_SERVICE_PARAMS_T vchiq_params;
   MMAL_BOOL_T vchiq_initialised = 0, waitpool_initialised = 0;
   MMAL_BOOL_T service_initialised = 0;
   MMAL_STATUS_T status = MMAL_EIO;
   VCHIQ_STATUS_T vchiq_status;
   int count;

   vcos_once(&once, init_once);

   vcos_mutex_lock(&client.lock);

   count = client.refcount++;
   if (count > 0)
   {
      /* Already initialised so nothing to do */
      vcos_mutex_unlock(&client.lock);
      return MMAL_SUCCESS;
   }

   vcos_log_register("mmalipc", VCOS_LOG_CATEGORY);

   /* Initialise a VCHIQ instance */
   vchiq_status = vchiq_initialise(&mmal_vchiq_instance);
   if (vchiq_status != VCHIQ_SUCCESS)
   {
      LOG_ERROR("failed to initialise vchiq");
      status = MMAL_EIO;
      goto error;
   }
   vchiq_initialised = 1;

   vchiq_status = vchiq_connect(mmal_vchiq_instance);
   if (vchiq_status != VCHIQ_SUCCESS)
   {
      LOG_ERROR("failed to connect to vchiq");
      status = MMAL_EIO;
      goto error;
   }

   memset(&vchiq_params,0,sizeof(vchiq_params));
   vchiq_params.fourcc = MMAL_CONTROL_FOURCC();
   vchiq_params.callback = mmal_vc_vchiq_callback;
   vchiq_params.userdata = &client;
   vchiq_params.version = WORKER_VER_MAJOR;
   vchiq_params.version_min = WORKER_VER_MINIMUM;

   vchiq_status = vchiq_open_service(mmal_vchiq_instance, &vchiq_params, &client.service);
   if (vchiq_status != VCHIQ_SUCCESS)
   {
      LOG_ERROR("could not open vchiq service");
      status = MMAL_EIO;
      goto error;
   }
   client.usecount = 1; /* usecount set to 1 by the open call. */
   service_initialised = 1;

   status = create_waitpool(&client.waitpool);
   if (status != MMAL_SUCCESS)
   {
      LOG_ERROR("could not create wait pool");
      goto error;
   }
   waitpool_initialised = 1;

   if (vcos_mutex_create(&client.bulk_lock, "mmal client bulk lock") != VCOS_SUCCESS)
   {
      LOG_ERROR("could not create bulk lock");
      status = MMAL_ENOSPC;
      goto error;
   }

   client.inited = 1;

   vcos_mutex_unlock(&client.lock);
   /* assume we're not using VC immediately.  Do this outside the lock */
   mmal_vc_release();


   return MMAL_SUCCESS;

 error:
   if (waitpool_initialised)
      destroy_waitpool(&client.waitpool);
   if (service_initialised)
   {
      client.usecount = 0;
      vchiq_close_service(client.service);
   }
   if (vchiq_initialised)
      vchiq_shutdown(mmal_vchiq_instance);
   vcos_log_unregister(VCOS_LOG_CATEGORY);
   client.refcount--;

   vcos_mutex_unlock(&client.lock);
   return status;
}
示例#13
0
/**
 * main
 */
int main(int argc, const char **argv)
{
   // Our main data storage vessel..
   RASPIVID_STATE state;

   MMAL_STATUS_T status;
   MMAL_PORT_T *camera_preview_port = NULL;
   MMAL_PORT_T *camera_video_port = NULL;
   MMAL_PORT_T *camera_still_port = NULL;
   MMAL_PORT_T *preview_input_port = NULL;
   MMAL_PORT_T *encoder_input_port = NULL;
   MMAL_PORT_T *encoder_output_port = NULL;
   FILE *output_file = NULL;

   // Register our application with the logging system
   vcos_log_register("RaspiVid", VCOS_LOG_CATEGORY);

   printf("\nRaspiVid Camera App\n");
   printf("===================\n\n");

   signal(SIGINT, signal_handler);

   default_status(&state);

   // Do we have any parameters
   if (argc == 1)
   {
      display_valid_parameters();
      exit(0);
   }

   // Parse the command line and put options in to our status structure
   if (parse_cmdline(argc, argv, &state))
   {
      status = -1;
      exit(0);
   }

   if (state.verbose)
      dump_status(&state);

   // OK, we have a nice set of parameters. Now set up our components
   // We have three components. Camera, Preview and encoder.

   if (!create_camera_component(&state))
   {
      vcos_log_error("%s: Failed to create camera component", __func__);
   }
   else if (!raspipreview_create(&state.preview_parameters))
   {
      vcos_log_error("%s: Failed to create preview component", __func__);
      destroy_camera_component(&state);
   }
   else if (!create_encoder_component(&state))
   {
      vcos_log_error("%s: Failed to create encode component", __func__);
      raspipreview_destroy(&state.preview_parameters);
      destroy_camera_component(&state);
   }
   else
   {
      PORT_USERDATA callback_data;

      if (state.verbose)
         printf("Starting component connection stage\n");

      camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
      camera_video_port   = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
      camera_still_port   = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
      preview_input_port  = state.preview_parameters.preview_component->input[0];
      encoder_input_port  = state.encoder_component->input[0];
      encoder_output_port = state.encoder_component->output[0];

      if (state.preview_parameters.wantPreview )
      {
         if (state.verbose)
         {
            printf("Connecting camera preview port to preview input port\n");
            printf("Starting video preview\n");
         }

         // Connect camera to preview
         status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);
      }

      if (status == MMAL_SUCCESS)
      {
         VCOS_STATUS_T vcos_status;

         if (state.verbose)
            printf("Connecting camera stills port to encoder input port\n");

         // Now connect the camera to the encoder
         status = connect_ports(camera_video_port, encoder_input_port, &state.encoder_connection);

         if (status != MMAL_SUCCESS)
         {
            vcos_log_error("%s: Failed to connect camera video port to encoder input", __func__);
            goto error;
         }

         if (state.filename)
         {
            if (state.verbose)
               printf("Opening output file %s\n", state.filename);
            output_file = fopen(state.filename, "wb");
            if (!output_file)
            {
               // Notify user, carry on but discarding encoded output buffers
               vcos_log_error("%s: Error opening output file: %s\nNo output file will be generated\n", __func__, state.filename);
            }
         }

         // Set up our userdata - this is passed though to the callback where we need the information.
         callback_data.file_handle = output_file;
         callback_data.pstate = &state;

         vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
         vcos_assert(vcos_status == VCOS_SUCCESS);


         encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;

         if (state.verbose)
            printf("Enabling encoder output port\n");

         // Enable the encoder output port and tell it its callback function
         status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);

         if (status != MMAL_SUCCESS)
         {
            vcos_log_error("Failed to setup encoder output");
            goto error;
         }

         if (state.demoMode)
         {
            // Run for the user specific time..
            int num_iterations = state.timeout / state.demoInterval;
            int i;

            printf("Running in demo mode\n");
            for (i=0;i<num_iterations;i++)
            {
               raspicamcontrol_cycle_test(state.camera_component);
               vcos_sleep(state.demoInterval);
            }
         }
         else
         {
            // Only encode stuff if we have a filename and it opened
            if (output_file)
            {
               if (state.verbose)
                  printf("Starting video capture\n");


               if (mmal_port_parameter_set_boolean(camera_video_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
               {
                  goto error;
               }

               // Send all the buffers to the encoder output port
               {
                  int num = mmal_queue_length(state.encoder_pool->queue);
                  int q;
                  for (q=0;q<num;q++)
                  {
                     MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.encoder_pool->queue);

                     if (!buffer)
                        vcos_log_error("Unable to get a required buffer %d from pool queue", q);

                     if (mmal_port_send_buffer(encoder_output_port, buffer)!= MMAL_SUCCESS)
                        vcos_log_error("Unable to send a buffer to encoder output port (%d)", q);

                  }
               }

               // Now wait until we need to stop
               vcos_sleep(state.timeout);

               printf("Finished capture\n");
            }
            else
               vcos_sleep(state.timeout);
         }
      }
      else
      {
         mmal_status_to_int(status);
         vcos_log_error("%s: Failed to connect camera to preview", __func__);
      }

error:

      mmal_status_to_int(status);

      if (state.verbose)
         printf("Closing down\n");

      // Disable all our ports that are not handled by connections
      check_disable_port(camera_still_port);
      check_disable_port(encoder_output_port);

      if (state.preview_parameters.wantPreview )
         mmal_connection_destroy(state.preview_connection);
      mmal_connection_destroy(state.encoder_connection);

      // Can now close our file. Note disabling ports may flush buffers which causes
      // problems if we have already closed the file!
      if (output_file)
         fclose(output_file);

      /* Disable components */
      if (state.encoder_component)
         mmal_component_disable(state.encoder_component);

      if (state.preview_parameters.preview_component)
         mmal_component_disable(state.preview_parameters.preview_component);

      if (state.camera_component)
         mmal_component_disable(state.camera_component);

      destroy_encoder_component(&state);
      raspipreview_destroy(&state.preview_parameters);
      destroy_camera_component(&state);

      if (state.verbose)
         printf("Close down completed, all components disconnected, disabled and destroyed\n\n");
   }

   return 0;
}
/**
 * init_cam

 */
int init_cam(RASPIVID_STATE *state) {
    // Our main data storage vessel..
    MMAL_STATUS_T status;
    MMAL_PORT_T *camera_video_port = NULL;
    MMAL_PORT_T *camera_still_port = NULL;
    MMAL_PORT_T *preview_input_port = NULL;
    //MMAL_PORT_T *encoder_input_port = NULL;
    // MMAL_PORT_T *encoder_output_port = NULL;

    bcm_host_init();
    get_status(state);
    // Register our application with the logging system
    vcos_log_register("RaspiVid", VCOS_LOG_CATEGORY);

    signal(SIGINT, signal_handler);

    // OK, we have a nice set of parameters. Now set up our components
    // We have three components. Camera, Preview and encoder.

    if (!create_camera_component(state)) {
        ROS_INFO("%s: Failed to create camera component", __func__);

    /*else if ((status = create_encoder_component(state)) != MMAL_SUCCESS)
   {
      ROS_INFO("%s: Failed to create encode component", __func__);
      destroy_camera_component(state);
   }*/
    } else {
        PORT_USERDATA * callback_data = (PORT_USERDATA *) malloc (sizeof(PORT_USERDATA));
        camera_video_port   = state->camera_component->output[MMAL_CAMERA_VIDEO_PORT];
        camera_still_port   = state->camera_component->output[MMAL_CAMERA_CAPTURE_PORT];
        //encoder_input_port  = state->encoder_component->input[0];
        //encoder_output_port = state->encoder_component->output[0];
        /*status = connect_ports(camera_video_port, encoder_input_port, &state->encoder_connection);
      if (status != MMAL_SUCCESS)
      {
            ROS_INFO("%s: Failed to connect camera video port to encoder input", __func__);
        return 1;
      }*/
        callback_data->buffer[0] = (unsigned char *) malloc(state->width * state->height * 8);
        callback_data->buffer[1] = (unsigned char *) malloc(state->width * state->height * 8);
        // Set up our userdata - this is passed though to the callback where we need the information.
        callback_data->pstate = state;
        callback_data->abort = 0;
        callback_data->id = 0;
        callback_data->frame = 0;
        //encoder_output_port->userdata = (struct MMAL_PORT_USERDATA_T *) callback_data_enc;
        camera_video_port->userdata = (struct MMAL_PORT_USERDATA_T *) callback_data;
        //PORT_USERDATA *pData = (PORT_USERDATA *)encoder_output_port->userdata;
        PORT_USERDATA *pData = (PORT_USERDATA *)camera_video_port->userdata;
        // Enable the encoder output port and tell it its callback function
        //status = mmal_port_enable(encoder_output_port, encoder_buffer_callback);
        status = mmal_port_enable(camera_video_port, camera_buffer_callback);
        if (status != MMAL_SUCCESS) {
            ROS_INFO("Failed to setup encoder output");
            return 1;
        }
        state->isInit = 1;
    }
    return 0;
}
示例#15
0
int main(int argc, char **argv)
{
   // Parse command line options/arguments.
   VIDTEX_PARAMS_T params = {0};
   int rc;
   int status = 0;

   opterr = 0;

   while ((rc = getopt(argc, argv, "d:iuvy")) != -1)
   {
      switch (rc)
      {
      case 'd':
         params.duration_ms = atoi(optarg);
         break;

      case 'i':
         params.opts |= VIDTEX_OPT_IMG_PER_FRAME;
         break;

      case 'y':
         params.opts |= VIDTEX_OPT_Y_TEXTURE;
         break;

      case 'u':
         params.opts |= VIDTEX_OPT_U_TEXTURE;
         break;

      case 'v':
         params.opts |= VIDTEX_OPT_V_TEXTURE;
         break;

      default:
         usage(argv[0]);
         return 2;
      }
   }

   if (optind < argc - 1)
   {
      usage(argv[0]);
      return 2;
   }

   if (optind < argc)
   {
      strncpy(params.uri, argv[optind], sizeof(params.uri) - 1);
      params.uri[sizeof(params.uri) - 1] = '\0';
   }

   // Init vcos logging.
   vcos_log_set_level(VCOS_LOG_CATEGORY, VCOS_LOG_INFO);
   vcos_log_register("vidtex", VCOS_LOG_CATEGORY);

   // Run video-on-texture application in a separate thread.
#ifdef __ANDROID__
   status = Launcher::runApp("vidtex", launch_vidtex, &params, sizeof(params));
#else
   status = runApp("vidtex", launch_vidtex, &params, sizeof(params));
#endif
   return (status == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
示例#16
0
文件: cam.c 项目: nulldatamap/VoidEye
int init_cam()
{
   bcm_host_init();

   // Register our application with the logging system
   vcos_log_register("RaspiStill", VCOS_LOG_CATEGORY);

   signal(SIGINT, signal_handler);

   default_status(&gState);

   if ((gStatus = create_camera_component(&gState)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create camera component", __func__);
      gStatus = ! MMAL_SUCCESS;
   }
   else if ((gStatus = nullsink_preview(&gState.preview_parameters)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create preview component", __func__);
      destroy_camera_component(&gState);
      gStatus = ! MMAL_SUCCESS;
   }
   else
   {

      gCamera_preview_port = gState.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
      gCamera_video_port = gState.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
      gCamera_still_port = gState.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];

      // Note we are lucky that the preview and null sink components use the same input port
      // so we can simple do this without conditionals
      gPreview_input_port = gState.preview_parameters.preview_component->input[0];

      // Connect camera to preview (which might be a null_sink if no preview required)
      gStatus = connect_ports(gCamera_preview_port, gPreview_input_port, &gState.preview_connection);

      if (gStatus == MMAL_SUCCESS)
      {
         VCOS_STATUS_T vcos_status;

         // Set up our userdata - this is passed though to the callback where we need the information.
         gCallback_data.pstate = &gState;

         vcos_status = vcos_semaphore_create(&gCallback_data.complete_semaphore, "RaspiStill-sem", 0);
         vcos_assert(vcos_status == VCOS_SUCCESS);

         gCamera_still_port->userdata = (struct MMAL_PORT_USERDATA_T *)&gCallback_data;

         // Enable the camera still output port and tell it its callback function
         gStatus = mmal_port_enable(gCamera_still_port, camera_buffer_callback);

         if (gStatus != MMAL_SUCCESS)
         {
            vcos_log_error("Failed to setup camera output");
            error_cam();
         }
      }
      else
      {
         mmal_status_to_int(gStatus);
         vcos_log_error("%s: Failed to connect camera to preview", __func__);
      }
      
   }
   if (gStatus != MMAL_SUCCESS)
      raspicamcontrol_check_configuration(128);
   return gStatus != MMAL_SUCCESS;
}
示例#17
0
/**
 * main
 */
int main(int argc, const char **argv)
{
   // Our main data storage vessel..
   RASPISTILLYUV_STATE state;
   int exit_code = EX_OK;

   MMAL_STATUS_T status = MMAL_SUCCESS;
   MMAL_PORT_T *camera_preview_port = NULL;
   MMAL_PORT_T *camera_video_port = NULL;
   MMAL_PORT_T *camera_still_port = NULL;
   MMAL_PORT_T *preview_input_port = NULL;
   FILE *output_file = NULL;

   bcm_host_init();

   // Register our application with the logging system
   vcos_log_register("RaspiStill", VCOS_LOG_CATEGORY);

   signal(SIGINT, signal_handler);

   // Disable USR1 for the moment - may be reenabled if go in to signal capture mode
   signal(SIGUSR1, SIG_IGN);

   default_status(&state);

   // Do we have any parameters
   if (argc == 1)
   {
      fprintf(stdout, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);

      display_valid_parameters(basename(argv[0]));
      exit(EX_USAGE);
   }

   default_status(&state);

   // Parse the command line and put options in to our status structure
   if (parse_cmdline(argc, argv, &state))
   {
      status = -1;
      exit(EX_USAGE);
   }

   if (state.verbose)
   {
      fprintf(stderr, "\n%s Camera App %s\n\n", basename(argv[0]), VERSION_STRING);
      dump_status(&state);
   }

   // OK, we have a nice set of parameters. Now set up our components
   // We have two components. Camera and Preview
   // Camera is different in stills/video, but preview
   // is the same so handed off to a separate module

   if ((status = create_camera_component(&state)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create camera component", __func__);
      exit_code = EX_SOFTWARE;
   }
   else if ((status = raspipreview_create(&state.preview_parameters)) != MMAL_SUCCESS)
   {
      vcos_log_error("%s: Failed to create preview component", __func__);
      destroy_camera_component(&state);
      exit_code = EX_SOFTWARE;
   }
   else
   {
      PORT_USERDATA callback_data;

      if (state.verbose)
         fprintf(stderr, "Starting component connection stage\n");

      camera_preview_port = state.camera_component->output[MMAL_CAMERA_PREVIEW_PORT];
      camera_video_port   = state.camera_component->output[MMAL_CAMERA_VIDEO_PORT];
      camera_still_port   = state.camera_component->output[MMAL_CAMERA_CAPTURE_PORT];

      // Note we are lucky that the preview and null sink components use the same input port
      // so we can simple do this without conditionals
      preview_input_port  = state.preview_parameters.preview_component->input[0];

      // Connect camera to preview (which might be a null_sink if no preview required)
      status = connect_ports(camera_preview_port, preview_input_port, &state.preview_connection);

      if (status == MMAL_SUCCESS)
      {
         VCOS_STATUS_T vcos_status;

         // Set up our userdata - this is passed though to the callback where we need the information.
         // Null until we open our filename
         callback_data.file_handle = NULL;
         callback_data.pstate = &state;

         vcos_status = vcos_semaphore_create(&callback_data.complete_semaphore, "RaspiStill-sem", 0);
         vcos_assert(vcos_status == VCOS_SUCCESS);

         camera_still_port->userdata = (struct MMAL_PORT_USERDATA_T *)&callback_data;

         if (state.verbose)
            fprintf(stderr, "Enabling camera still output port\n");

         // Enable the camera still output port and tell it its callback function
         status = mmal_port_enable(camera_still_port, camera_buffer_callback);

         if (status != MMAL_SUCCESS)
         {
            vcos_log_error("Failed to setup camera output");
            goto error;
         }

         if (state.verbose)
            fprintf(stderr, "Starting video preview\n");


         int frame, keep_looping = 1;
         FILE *output_file = NULL;
         char *use_filename = NULL;      // Temporary filename while image being written
         char *final_filename = NULL;    // Name that file gets once writing complete

         frame = 0;

         while (keep_looping)
         {
             keep_looping = wait_for_next_frame(&state, &frame);

            // Open the file
            if (state.filename)
            {
               if (state.filename[0] == '-')
               {
                  output_file = stdout;

                  // Ensure we don't upset the output stream with diagnostics/info
                  state.verbose = 0;
               }
               else
               {
                  vcos_assert(use_filename == NULL && final_filename == NULL);
                  status = create_filenames(&final_filename, &use_filename, state.filename, frame);
                  if (status  != MMAL_SUCCESS)
                  {
                     vcos_log_error("Unable to create filenames");
                     goto error;
                  }

                  if (state.verbose)
                     fprintf(stderr, "Opening output file %s\n", final_filename);
                     // Technically it is opening the temp~ filename which will be ranamed to the final filename

                  output_file = fopen(use_filename, "wb");

                  if (!output_file)
                  {
                     // Notify user, carry on but discarding encoded output buffers
                     vcos_log_error("%s: Error opening output file: %s\nNo output file will be generated\n", __func__, use_filename);
                  }
               }

               callback_data.file_handle = output_file;
            }

            if (output_file)
            {
               int num, q;

               // There is a possibility that shutter needs to be set each loop.
               if (mmal_status_to_int(mmal_port_parameter_set_uint32(state.camera_component->control, MMAL_PARAMETER_SHUTTER_SPEED, state.camera_parameters.shutter_speed) != MMAL_SUCCESS))
                  vcos_log_error("Unable to set shutter speed");


               // Send all the buffers to the camera output port
               num = mmal_queue_length(state.camera_pool->queue);

               for (q=0;q<num;q++)
               {
                  MMAL_BUFFER_HEADER_T *buffer = mmal_queue_get(state.camera_pool->queue);

                  if (!buffer)
                     vcos_log_error("Unable to get a required buffer %d from pool queue", q);

                  if (mmal_port_send_buffer(camera_still_port, buffer)!= MMAL_SUCCESS)
                     vcos_log_error("Unable to send a buffer to camera output port (%d)", q);
               }

               if (state.burstCaptureMode && frame==1)
               {
                  mmal_port_parameter_set_boolean(state.camera_component->control,  MMAL_PARAMETER_CAMERA_BURST_CAPTURE, 1);
               }

               if (state.verbose)
                  fprintf(stderr, "Starting capture %d\n", frame);

               if (mmal_port_parameter_set_boolean(camera_still_port, MMAL_PARAMETER_CAPTURE, 1) != MMAL_SUCCESS)
               {
                  vcos_log_error("%s: Failed to start capture", __func__);
               }
               else
               {
                  // Wait for capture to complete
                  // For some reason using vcos_semaphore_wait_timeout sometimes returns immediately with bad parameter error
                  // even though it appears to be all correct, so reverting to untimed one until figure out why its erratic
                  vcos_semaphore_wait(&callback_data.complete_semaphore);
                  if (state.verbose)
                     fprintf(stderr, "Finished capture %d\n", frame);
               }

               // Ensure we don't die if get callback with no open file
               callback_data.file_handle = NULL;

               if (output_file != stdout)
               {
                  rename_file(&state, output_file, final_filename, use_filename, frame);
               }
            }

            if (use_filename)
            {
               free(use_filename);
               use_filename = NULL;
            }
            if (final_filename)
            {
               free(final_filename);
               final_filename = NULL;
            }
         } // end for (frame)
         
         vcos_semaphore_delete(&callback_data.complete_semaphore);
      }
      else
      {
         mmal_status_to_int(status);
         vcos_log_error("%s: Failed to connect camera to preview", __func__);
      }

error:

      mmal_status_to_int(status);

      if (state.verbose)
         fprintf(stderr, "Closing down\n");

      if (output_file)
         fclose(output_file);

      // Disable all our ports that are not handled by connections
      check_disable_port(camera_video_port);

      if (state.preview_connection)
         mmal_connection_destroy(state.preview_connection);

      /* Disable components */
      if (state.preview_parameters.preview_component)
         mmal_component_disable(state.preview_parameters.preview_component);

      if (state.camera_component)
         mmal_component_disable(state.camera_component);

      raspipreview_destroy(&state.preview_parameters);
      destroy_camera_component(&state);

      if (state.verbose)
         fprintf(stderr, "Close down completed, all components disconnected, disabled and destroyed\n\n");
   }

   if (status != MMAL_SUCCESS)
      raspicamcontrol_check_configuration(128);

   return exit_code;
}
示例#18
0
int main( int argc, char **argv )
{
   int32_t ret;
   char optstring[OPTSTRING_LEN];
   int  opt;
   int  opt_alloc = 0;
   int  opt_status = 0;
   uint32_t alloc_size = 0;
   int  opt_pid = -1;
   VCSM_STATUS_T status_mode = VCSM_STATUS_NONE;

   void *usr_ptr_1;
   unsigned int usr_hdl_1;
#if defined(DOUBLE_ALLOC) || defined(RESIZE_ALLOC)
   void *usr_ptr_2;
   unsigned int usr_hdl_2;
#endif

   // Initialize VCOS
   vcos_init();

   vcos_log_set_level(&smem_log_category, VCOS_LOG_INFO);
   smem_log_category.flags.want_prefix = 0;
   vcos_log_register( "smem", &smem_log_category );

   // Create the option string that we will be using to parse the arguments
   create_optstring( optstring );

   // Parse the command line arguments
   while (( opt = getopt_long_only( argc, argv, optstring, long_opts,
                                    NULL )) != -1 )
   {
      switch ( opt )
      {
         case 0:
         {
            // getopt_long returns 0 for entries where flag is non-NULL
            break;
         }
         case OPT_ALLOC:
         {
            char *end;
            alloc_size = (uint32_t)strtoul( optarg, &end, 10 );
            if (end == optarg)
            {
               vcos_log_info( "Invalid arguments '%s'", optarg );
               goto err_out;
            }

            opt_alloc = 1;
            break;
         }
         case OPT_PID:
         {
            char *end;
            opt_pid = (int)strtol( optarg, &end, 10 );
            if (end == optarg)
            {
               vcos_log_info( "Invalid arguments '%s'", optarg );
               goto err_out;
            }

            break;
         }
         case OPT_STATUS:
         {
            char status_str[32];

            /* coverity[secure_coding] String length specified, so can't overflow */
            if ( sscanf( optarg, "%31s", status_str ) != 1 )
            {
               vcos_log_info( "Invalid arguments '%s'", optarg );
               goto err_out;
            }

            if ( vcos_strcasecmp( status_str, "all" ) == 0 )
            {
               status_mode = VCSM_STATUS_VC_MAP_ALL;
            }
            else if ( vcos_strcasecmp( status_str, "vc" ) == 0 )
            {
               status_mode = VCSM_STATUS_VC_WALK_ALLOC;
            }
            else if ( vcos_strcasecmp( status_str, "map" ) == 0 )
            {
               status_mode = VCSM_STATUS_HOST_WALK_MAP;
            }
            else if ( vcos_strcasecmp( status_str, "host" ) == 0 )
            {
               status_mode = VCSM_STATUS_HOST_WALK_PID_ALLOC;
            }
            else
            {
               goto err_out;
            }

            opt_status = 1;
            break;
         }
         default:
         {
            vcos_log_info( "Unrecognized option '%d'", opt );
            goto err_usage;
         }
         case '?':
         case OPT_HELP:
         {
            goto err_usage;
         }
      } // end switch
   } // end while

   argc -= optind;
   argv += optind;

   if (( optind == 1 ) || ( argc > 0 ))
   {
      if ( argc > 0 )
      {
         vcos_log_info( "Unrecognized argument -- '%s'", *argv );
      }

      goto err_usage;
   }

   // Start the shared memory support.
   if ( vcsm_init() == -1 )
   {
      vcos_log_info( "Cannot initialize smem device" );
      goto err_out;
   }

   if ( opt_alloc == 1 )
   {
      vcos_log_info( "Allocating 2 times %u-bytes in shared memory", alloc_size );

      usr_hdl_1 = vcsm_malloc( alloc_size,
                               "smem-test-alloc" );

      vcos_log_info( "Allocation 1 result: user %x, vc-hdl %x",
                     usr_hdl_1, vcsm_vc_hdl_from_hdl( usr_hdl_1 ) );

#if defined(DOUBLE_ALLOC) || defined(RESIZE_ALLOC)
      usr_hdl_2 = vcsm_malloc( alloc_size,
                               NULL );
      vcos_log_info( "Allocation 2 result: user %x",
                     usr_hdl_2 );

      usr_ptr_2 = vcsm_lock( usr_hdl_2 );
      vcos_log_info( "Allocation 2 : lock %p",
                     usr_ptr_2 );
      vcos_log_info( "Allocation 2 : unlock %d",
                     vcsm_unlock_hdl( usr_hdl_2 ) );
#endif

      // Do a simple write/read test.
      if ( usr_hdl_1 != 0 )
      {
         usr_ptr_1 = vcsm_lock( usr_hdl_1 );
         vcos_log_info( "Allocation 1 : lock %p",
                        usr_ptr_1 );
         if ( usr_ptr_1 )
         {
            memset ( usr_ptr_1,
                     0,
                     alloc_size );
            memcpy ( usr_ptr_1,
                     blah_blah,
                     32 );
            vcos_log_info( "Allocation 1 contains: \"%s\"",
                           (char *)usr_ptr_1 );

            vcos_log_info( "Allocation 1: vc-hdl %x",
                           vcsm_vc_hdl_from_ptr ( usr_ptr_1 ) );
            vcos_log_info( "Allocation 1: usr-hdl %x",
                           vcsm_usr_handle ( usr_ptr_1 ) );
            vcos_log_info( "Allocation 1 : unlock %d",
                           vcsm_unlock_ptr( usr_ptr_1 ) );
         }

         usr_ptr_1 = vcsm_lock( usr_hdl_1 );
         vcos_log_info( "Allocation 1 (relock) : lock %p",
                        usr_ptr_1 );
         if ( usr_ptr_1 )
         {
            vcos_log_info( "Allocation 1 (relock) : unlock %d",
                           vcsm_unlock_hdl( usr_hdl_1 ) );
         }
      }

#if defined(RESIZE_ALLOC)
      ret = vcsm_resize( usr_hdl_1, 2 * alloc_size );
      vcos_log_info( "Allocation 1 : resize %d", ret );
      if ( ret == 0 )
      {
         usr_ptr_1 = vcsm_lock( usr_hdl_1 );
         vcos_log_info( "Allocation 1 (resize) : lock %p",
                        usr_ptr_1 );
         if ( usr_ptr_1 )
         {
            memset ( usr_ptr_1,
                     0,
                     2 * alloc_size );
            memcpy ( usr_ptr_1,
                     blah_blah,
                     32 );
            vcos_log_info( "Allocation 1 (resized) contains: \"%s\"",
                           (char *)usr_ptr_1 );
            vcos_log_info( "Allocation 1 (resized) : unlock %d",
                           vcsm_unlock_ptr( usr_ptr_1 ) );
         }
      }

      // This checks that the memory can be remapped properly
      // because the Block 1 expanded beyond Block 2 boundary.
      //
      usr_ptr_2 = vcsm_lock( usr_hdl_2 );
      vcos_log_info( "Allocation 2 : lock %p",
                     usr_ptr_2 );
      vcos_log_info( "Allocation 2 : unlock %d",
                     vcsm_unlock_hdl( usr_hdl_2 ) );

      // This checks that we can free a memory block even if it
      // is locked, which could be the case if the application 
      // dies.
      //
      usr_ptr_2 = vcsm_lock( usr_hdl_2 );
      vcos_log_info( "Allocation 2 : lock %p",
                     usr_ptr_2 );
      vcsm_free ( usr_hdl_2 );
#endif

#if defined(DOUBLE_ALLOC)
#endif
   }

   if ( opt_status == 1 )
   {
      get_status( status_mode, opt_pid );
   }
   
   // If we allocated something, wait for the signal to exit to give chance for the
   // user to poke around the allocation test.
   //
   if ( opt_alloc == 1 )
   {
      start_monitor();
      
      vcos_event_wait( &quit_event );
      vcos_event_delete( &quit_event );
   }

   // Terminate the shared memory support.
   vcsm_exit ();
   goto err_out;

err_usage:
   show_usage();

err_out:
   exit( 1 );
}