C++ (Cpp) dt_camctl_camera_capture Beispiele

Beispiel #1

static int32_t dt_camera_capture_job_run(dt_job_t *job)
{
  dt_camera_capture_t *params = dt_control_job_get_params(job);
  int total;
  char message[512] = { 0 };
  double fraction = 0;

  total = params->brackets ? params->count * params->brackets : params->count;
  snprintf(message, sizeof(message), ngettext("capturing %d image", "capturing %d images", total), total);

  dt_control_job_set_progress_message(job, message);

  /* try to get exp program mode for nikon */
  char *expprogram = (char *)dt_camctl_camera_get_property(darktable.camctl, NULL, "expprogram");

  /* if fail, lets try fetching mode for cannon */
  if(!expprogram)
    expprogram = (char *)dt_camctl_camera_get_property(darktable.camctl, NULL, "autoexposuremode");

  /* Fetch all values for shutterspeed and initialize current value */
  GList *values = NULL;
  gconstpointer original_value = NULL;
  const char *cvalue = dt_camctl_camera_get_property(darktable.camctl, NULL, "shutterspeed");
  const char *value = dt_camctl_camera_property_get_first_choice(darktable.camctl, NULL, "shutterspeed");

  /* get values for bracketing */
  if(params->brackets && expprogram && expprogram[0] == 'M' && value && cvalue)
  {
    do
    {
      // Add value to list
      values = g_list_append(values, g_strdup(value));
      // Check if current values is the same as original value, then lets store item ptr
      if(strcmp(value, cvalue) == 0) original_value = g_list_last(values)->data;
    } while((value = dt_camctl_camera_property_get_next_choice(darktable.camctl, NULL, "shutterspeed"))
            != NULL);
  }
  else
  {
    /* if this was an intended bracket capture bail out */
    if(params->brackets)
    {
      dt_control_log(_("please set your camera to manual mode first!"));
      return 1;
    }
  }

  GList *current_value = g_list_find(values, original_value);
  for(uint32_t i = 0; i < params->count; i++)
  {
    // Delay if active
    if(params->delay) g_usleep(params->delay * G_USEC_PER_SEC);

    for(uint32_t b = 0; b < (params->brackets * 2) + 1; b++)
    {
      // If bracket capture, lets set change shutterspeed
      if(params->brackets)
      {
        if(b == 0)
        {
          // First bracket, step down time with (steps*brackets), also check so we never set the longest
          // shuttertime which would be bulb mode
          for(uint32_t s = 0; s < (params->steps * params->brackets); s++)
            if(g_list_next(current_value) && g_list_next(g_list_next(current_value)))
              current_value = g_list_next(current_value);
        }
        else
        {
          // Step up with (steps)
          for(uint32_t s = 0; s < params->steps; s++)
            if(g_list_previous(current_value)) current_value = g_list_previous(current_value);
        }
      }

      // set the time property for bracket capture
      if(params->brackets && current_value)
        dt_camctl_camera_set_property_string(darktable.camctl, NULL, "shutterspeed", current_value->data);

      // Capture image
      dt_camctl_camera_capture(darktable.camctl, NULL);

      fraction += 1.0 / total;
      dt_control_job_set_progress(job, fraction);
    }

    // lets reset to original value before continue
    if(params->brackets)
    {
      current_value = g_list_find(values, original_value);
      dt_camctl_camera_set_property_string(darktable.camctl, NULL, "shutterspeed", current_value->data);
    }
  }

  // free values
  if(values)
  {
    g_list_free_full(values, g_free);
  }
  return 0;
}

Beispiel #2

Datei: camera_jobs.c Projekt: PolarFox/darktable

static int32_t dt_camera_capture_job_run(dt_job_t *job)
{
  dt_camera_capture_t *params = dt_control_job_get_params(job);
  int total;
  char message[512]= {0};
  double fraction=0;

  total = params->total = params->brackets ? params->count * params->brackets : params->count;
  snprintf(message, sizeof(message), ngettext ("capturing %d image", "capturing %d images", total), total );

  pthread_mutex_init(&params->mutex, NULL);
  pthread_cond_init(&params->done, NULL);

  // register listener
  dt_camctl_listener_t *listener;
  listener = g_malloc0(sizeof(dt_camctl_listener_t));
  listener->data = params;
  listener->image_downloaded = _camera_capture_image_downloaded;
  listener->request_image_path = _camera_request_image_path;
  listener->request_image_filename = _camera_request_image_filename;
  dt_camctl_register_listener(darktable.camctl, listener);

  /* try to get exp program mode for nikon */
  char *expprogram = (char *)dt_camctl_camera_get_property(darktable.camctl, NULL, "expprogram");

  /* if fail, lets try fetching mode for cannon */
  if(!expprogram)
    expprogram = (char *)dt_camctl_camera_get_property(darktable.camctl, NULL, "autoexposuremode");

  /* Fetch all values for shutterspeed and initialize current value */
  GList *values=NULL;
  gconstpointer original_value=NULL;
  const char *cvalue = dt_camctl_camera_get_property(darktable.camctl, NULL, "shutterspeed");
  const char *value = dt_camctl_camera_property_get_first_choice(darktable.camctl, NULL, "shutterspeed");

  /* get values for bracketing */
  if (params->brackets && expprogram && expprogram[0]=='M' && value && cvalue)
  {
    do
    {
      // Add value to list
      values = g_list_append(values, g_strdup(value));
      // Check if current values is the same as original value, then lets store item ptr
      if (strcmp(value,cvalue) == 0)
        original_value = g_list_last(values)->data;
    }
    while ((value = dt_camctl_camera_property_get_next_choice(darktable.camctl, NULL, "shutterspeed")) != NULL);
  }
  else
  {
    /* if this was an intended bracket capture bail out */
    if(params->brackets)
    {
      dt_control_log(_("please set your camera to manual mode first!"));
      pthread_mutex_lock(&params->mutex);
      pthread_cond_wait(&params->done, &params->mutex);
      pthread_mutex_unlock(&params->mutex);
      pthread_mutex_destroy(&params->mutex);
      pthread_cond_destroy(&params->done);
      dt_import_session_destroy(params->shared.session);
      dt_camctl_unregister_listener(darktable.camctl, listener);
      g_free(listener);
      free(params);
      return 1;
    }
  }

  /* create the bgjob plate */
  const guint *jid  = dt_control_backgroundjobs_create(darktable.control, 0, message);

  GList *current_value = g_list_find(values,original_value);
  for(uint32_t i=0; i < params->count; i++)
  {
    // Delay if active
    if(params->delay)
      g_usleep(params->delay*G_USEC_PER_SEC);

    for(uint32_t b=0; b < (params->brackets*2)+1; b++)
    {
      // If bracket capture, lets set change shutterspeed
      if (params->brackets)
      {
        if (b == 0)
        {
          // First bracket, step down time with (steps*brackets), also check so we never set the longest shuttertime which would be bulb mode
          for(uint32_t s=0; s < (params->steps * params->brackets); s++)
            if (g_list_next(current_value) && g_list_next(g_list_next(current_value)))
              current_value = g_list_next(current_value);
        }
        else
        {
          // Step up with (steps)
          for(uint32_t s=0; s < params->steps; s++)
            if(g_list_previous(current_value))
              current_value = g_list_previous(current_value);
        }
      }

      // set the time property for bracket capture
      if (params->brackets && current_value)
        dt_camctl_camera_set_property_string(darktable.camctl, NULL, "shutterspeed", current_value->data);

      // Capture image
      dt_camctl_camera_capture(darktable.camctl,NULL);

      fraction += 1.0/total;
      dt_control_backgroundjobs_progress(darktable.control, jid, fraction);
    }

    // lets reset to original value before continue
    if (params->brackets)
    {
      current_value = g_list_find(values,original_value);
      dt_camctl_camera_set_property_string(darktable.camctl, NULL, "shutterspeed", current_value->data);
    }
  }

  /* wait for last image capture before exiting job */
  pthread_mutex_lock(&params->mutex);
  pthread_cond_wait(&params->done, &params->mutex);
  pthread_mutex_unlock(&params->mutex);
  pthread_mutex_destroy(&params->mutex);
  pthread_cond_destroy(&params->done);

  /* cleanup */
  dt_control_backgroundjobs_destroy(darktable.control, jid);
  dt_import_session_destroy(params->shared.session);
  dt_camctl_unregister_listener(darktable.camctl, listener);
  g_free(listener);

  // free values
  if(values)
  {
    g_list_free_full(values, g_free);
  }
  free(params);
  return 0;
}