camerabin: rename function and variable names, update documentation

Get rid of user_* prefix internally, use app_* instead.
2025-01-22 23:28:16 +00:00 · 2009-07-02 18:03:57 +03:00 · 2009-07-02 18:03:57 +03:00 · e2438e6cf1
commit e2438e6cf1
parent d25a9ca8aa
6 changed files with 139 additions and 139 deletions
--- a/gst/camerabin/camerabinimage.c
+++ b/gst/camerabin/camerabinimage.c
@ -147,7 +147,7 @@ gst_camerabin_image_init (GstCameraBinImage * img,

  img->post = NULL;
  img->enc = NULL;
-  img->user_enc = NULL;
+  img->app_enc = NULL;
  img->meta_mux = NULL;
  img->sink = NULL;

@ -167,9 +167,9 @@ gst_camerabin_image_dispose (GstCameraBinImage * img)
  g_string_free (img->filename, TRUE);
  img->filename = NULL;

-  if (img->user_enc) {
-    gst_object_unref (img->user_enc);
-    img->user_enc = NULL;
+  if (img->app_enc) {
+    gst_object_unref (img->app_enc);
+    img->app_enc = NULL;
  }

  if (img->post) {
@ -435,9 +435,8 @@ gst_camerabin_image_create_elements (GstCameraBinImage * img)
    img_sinkpad = gst_element_get_static_pad (csp, "sink");
  }

-  /* Create image encoder */
-  if (img->user_enc) {
-    img->enc = img->user_enc;
+  if (img->app_enc) {
+    img->enc = img->app_enc;
    if (!gst_camerabin_add_element (imgbin, img->enc)) {
      goto done;
    }
@ -518,12 +517,12 @@ void
 gst_camerabin_image_set_encoder (GstCameraBinImage * img, GstElement * encoder)
 {
  GST_DEBUG ("setting image encoder %" GST_PTR_FORMAT, encoder);
-  if (img->user_enc)
-    gst_object_unref (img->user_enc);
+  if (img->app_enc)
+    gst_object_unref (img->app_enc);
  if (encoder)
    gst_object_ref (encoder);

-  img->user_enc = encoder;
+  img->app_enc = encoder;
 }

 void
@ -551,8 +550,8 @@ gst_camerabin_image_get_encoder (GstCameraBinImage * img)
 {
  GstElement *enc;

-  if (img->user_enc) {
-    enc = img->user_enc;
+  if (img->app_enc) {
+    enc = img->app_enc;
  } else {
    enc = img->enc;
  }
--- a/gst/camerabin/camerabinimage.h
+++ b/gst/camerabin/camerabinimage.h
@ -50,7 +50,7 @@ struct _GstCameraBinImage

  GstElement *post;
  GstElement *enc;
-  GstElement *user_enc;
+  GstElement *app_enc;
  GstElement *meta_mux;
  GstElement *sink;

@ -81,4 +81,4 @@ GstElement *gst_camerabin_image_get_encoder (GstCameraBinImage * img);
 GstElement *gst_camerabin_image_get_postproc (GstCameraBinImage * img);

 G_END_DECLS
-#endif                          /* #ifndef __CAMERABIN_IMAGE_H__ */
+#endif /* #ifndef __CAMERABIN_IMAGE_H__ */
--- a/gst/camerabin/camerabinvideo.c
+++ b/gst/camerabin/camerabinvideo.c
@ -166,11 +166,11 @@ gst_camerabin_video_init (GstCameraBinVideo * vid,
 {
  vid->filename = g_string_new ("");

-  vid->user_post = NULL;
-  vid->user_vid_enc = NULL;
-  vid->user_aud_enc = NULL;
-  vid->user_aud_src = NULL;
-  vid->user_mux = NULL;
+  vid->app_post = NULL;
+  vid->app_vid_enc = NULL;
+  vid->app_aud_enc = NULL;
+  vid->app_aud_src = NULL;
+  vid->app_mux = NULL;

  vid->aud_src = NULL;
  vid->sink = NULL;
@ -216,29 +216,29 @@ gst_camerabin_video_dispose (GstCameraBinVideo * vid)
    vid->vid_sink_probe_id = 0;
  }

-  if (vid->user_post) {
-    gst_object_unref (vid->user_post);
-    vid->user_post = NULL;
+  if (vid->app_post) {
+    gst_object_unref (vid->app_post);
+    vid->app_post = NULL;
  }

-  if (vid->user_vid_enc) {
-    gst_object_unref (vid->user_vid_enc);
-    vid->user_vid_enc = NULL;
+  if (vid->app_vid_enc) {
+    gst_object_unref (vid->app_vid_enc);
+    vid->app_vid_enc = NULL;
  }

-  if (vid->user_aud_enc) {
-    gst_object_unref (vid->user_aud_enc);
-    vid->user_aud_enc = NULL;
+  if (vid->app_aud_enc) {
+    gst_object_unref (vid->app_aud_enc);
+    vid->app_aud_enc = NULL;
  }

-  if (vid->user_aud_src) {
-    gst_object_unref (vid->user_aud_src);
-    vid->user_aud_src = NULL;
+  if (vid->app_aud_src) {
+    gst_object_unref (vid->app_aud_src);
+    vid->app_aud_src = NULL;
  }

-  if (vid->user_mux) {
-    gst_object_unref (vid->user_mux);
-    vid->user_mux = NULL;
+  if (vid->app_mux) {
+    gst_object_unref (vid->app_mux);
+    vid->app_mux = NULL;
  }

  G_OBJECT_CLASS (parent_class)->dispose ((GObject *) vid);
@ -548,11 +548,11 @@ gst_camerabin_video_create_elements (GstCameraBinVideo * vid)
  vid->calculate_adjust_ts_aud = FALSE;

  /* Add video post processing element if any */
-  if (vid->user_post) {
-    if (!gst_camerabin_add_element (vidbin, vid->user_post)) {
+  if (vid->app_post) {
+    if (!gst_camerabin_add_element (vidbin, vid->app_post)) {
      goto error;
    }
-    vid_sinkpad = gst_element_get_static_pad (vid->user_post, "sink");
+    vid_sinkpad = gst_element_get_static_pad (vid->app_post, "sink");
  }

  /* Add tee element */
@ -580,8 +580,8 @@ gst_camerabin_video_create_elements (GstCameraBinVideo * vid)
      G_CALLBACK (camerabin_video_pad_tee_src0_have_buffer), vid);

  /* Add user set or default video encoder element */
-  if (vid->user_vid_enc) {
-    vid->vid_enc = vid->user_vid_enc;
+  if (vid->app_vid_enc) {
+    vid->vid_enc = vid->app_vid_enc;
    if (!gst_camerabin_add_element (vidbin, vid->vid_enc)) {
      goto error;
    }
@ -590,9 +590,9 @@ gst_camerabin_video_create_elements (GstCameraBinVideo * vid)
    goto error;
  }

-  /* Add user set or default muxer element */
-  if (vid->user_mux) {
-    vid->muxer = vid->user_mux;
+  /* Add application set or default muxer element */
+  if (vid->app_mux) {
+    vid->muxer = vid->app_mux;
    if (!gst_camerabin_add_element (vidbin, vid->muxer)) {
      goto error;
    }
@ -610,9 +610,9 @@ gst_camerabin_video_create_elements (GstCameraBinVideo * vid)
      NULL);

  if (!(vid->flags & GST_CAMERABIN_FLAG_DISABLE_AUDIO)) {
-    /* Add user set or default audio source element */
+    /* Add application set or default audio source element */
    if (!(vid->aud_src = gst_camerabin_setup_default_element (vidbin,
-                vid->user_aud_src, "autoaudiosrc", DEFAULT_AUDIOSRC))) {
+                vid->app_aud_src, "autoaudiosrc", DEFAULT_AUDIOSRC))) {
      vid->aud_src = NULL;
      goto error;
    } else {
@ -644,9 +644,9 @@ gst_camerabin_video_create_elements (GstCameraBinVideo * vid)
      g_object_set (vid->volume, "mute", vid->mute, NULL);
    }

-    /* Add user set or default audio encoder element */
-    if (vid->user_aud_enc) {
-      vid->aud_enc = vid->user_aud_enc;
+    /* Add application set or default audio encoder element */
+    if (vid->app_aud_enc) {
+      vid->aud_enc = vid->app_aud_enc;
      if (!gst_camerabin_add_element (vidbin, vid->aud_enc)) {
        goto error;
      }
@ -787,12 +787,12 @@ gst_camerabin_video_set_mute (GstCameraBinVideo * vid, gboolean mute)
 void
 gst_camerabin_video_set_post (GstCameraBinVideo * vid, GstElement * post)
 {
-  GstElement **user_post;
+  GstElement **app_post;
  GST_DEBUG_OBJECT (vid, "setting video post processing: %" GST_PTR_FORMAT,
      post);
  GST_OBJECT_LOCK (vid);
-  user_post = &vid->user_post;
-  gst_object_replace ((GstObject **) user_post, GST_OBJECT (post));
+  app_post = &vid->app_post;
+  gst_object_replace ((GstObject **) app_post, GST_OBJECT (post));
  GST_OBJECT_UNLOCK (vid);
 }

@ -800,11 +800,11 @@ void
 gst_camerabin_video_set_video_enc (GstCameraBinVideo * vid,
    GstElement * video_enc)
 {
-  GstElement **user_vid_enc;
+  GstElement **app_vid_enc;
  GST_DEBUG_OBJECT (vid, "setting video encoder: %" GST_PTR_FORMAT, video_enc);
  GST_OBJECT_LOCK (vid);
-  user_vid_enc = &vid->user_vid_enc;
-  gst_object_replace ((GstObject **) user_vid_enc, GST_OBJECT (video_enc));
+  app_vid_enc = &vid->app_vid_enc;
+  gst_object_replace ((GstObject **) app_vid_enc, GST_OBJECT (video_enc));
  GST_OBJECT_UNLOCK (vid);
 }

@ -812,22 +812,22 @@ void
 gst_camerabin_video_set_audio_enc (GstCameraBinVideo * vid,
    GstElement * audio_enc)
 {
-  GstElement **user_aud_enc;
+  GstElement **app_aud_enc;
  GST_DEBUG_OBJECT (vid, "setting audio encoder: %" GST_PTR_FORMAT, audio_enc);
  GST_OBJECT_LOCK (vid);
-  user_aud_enc = &vid->user_aud_enc;
-  gst_object_replace ((GstObject **) user_aud_enc, GST_OBJECT (audio_enc));
+  app_aud_enc = &vid->app_aud_enc;
+  gst_object_replace ((GstObject **) app_aud_enc, GST_OBJECT (audio_enc));
  GST_OBJECT_UNLOCK (vid);
 }

 void
 gst_camerabin_video_set_muxer (GstCameraBinVideo * vid, GstElement * muxer)
 {
-  GstElement **user_mux;
+  GstElement **app_mux;
  GST_DEBUG_OBJECT (vid, "setting muxer: %" GST_PTR_FORMAT, muxer);
  GST_OBJECT_LOCK (vid);
-  user_mux = &vid->user_mux;
-  gst_object_replace ((GstObject **) user_mux, GST_OBJECT (muxer));
+  app_mux = &vid->app_mux;
+  gst_object_replace ((GstObject **) app_mux, GST_OBJECT (muxer));
  GST_OBJECT_UNLOCK (vid);
 }

@ -835,11 +835,11 @@ void
 gst_camerabin_video_set_audio_src (GstCameraBinVideo * vid,
    GstElement * audio_src)
 {
-  GstElement **user_aud_src;
+  GstElement **app_aud_src;
  GST_DEBUG_OBJECT (vid, "setting audio source: %" GST_PTR_FORMAT, audio_src);
  GST_OBJECT_LOCK (vid);
-  user_aud_src = &vid->user_aud_src;
-  gst_object_replace ((GstObject **) user_aud_src, GST_OBJECT (audio_src));
+  app_aud_src = &vid->app_aud_src;
+  gst_object_replace ((GstObject **) app_aud_src, GST_OBJECT (audio_src));
  GST_OBJECT_UNLOCK (vid);
 }

@ -868,29 +868,29 @@ gst_camerabin_video_get_mute (GstCameraBinVideo * vid)
 GstElement *
 gst_camerabin_video_get_post (GstCameraBinVideo * vid)
 {
-  return vid->user_post;
+  return vid->app_post;
 }

 GstElement *
 gst_camerabin_video_get_video_enc (GstCameraBinVideo * vid)
 {
-  return vid->vid_enc ? vid->vid_enc : vid->user_vid_enc;
+  return vid->vid_enc ? vid->vid_enc : vid->app_vid_enc;
 }

 GstElement *
 gst_camerabin_video_get_audio_enc (GstCameraBinVideo * vid)
 {
-  return vid->aud_enc ? vid->aud_enc : vid->user_aud_enc;
+  return vid->aud_enc ? vid->aud_enc : vid->app_aud_enc;
 }

 GstElement *
 gst_camerabin_video_get_muxer (GstCameraBinVideo * vid)
 {
-  return vid->muxer ? vid->muxer : vid->user_mux;
+  return vid->muxer ? vid->muxer : vid->app_mux;
 }

 GstElement *
 gst_camerabin_video_get_audio_src (GstCameraBinVideo * vid)
 {
-  return vid->aud_src ? vid->aud_src : vid->user_aud_src;
+  return vid->aud_src ? vid->aud_src : vid->app_aud_src;
 }
--- a/gst/camerabin/camerabinvideo.h
+++ b/gst/camerabin/camerabinvideo.h
@ -64,12 +64,12 @@ struct _GstCameraBinVideo
  GstPad *tee_video_srcpad;
  GstPad *tee_vf_srcpad;

-  /* User set elements */
-  GstElement *user_post;        /* Video post processing */
-  GstElement *user_vid_enc;
-  GstElement *user_aud_enc;
-  GstElement *user_aud_src;
-  GstElement *user_mux;
+  /* Application set elements */
+  GstElement *app_post;         /* Video post processing */
+  GstElement *app_vid_enc;
+  GstElement *app_aud_enc;
+  GstElement *app_aud_src;
+  GstElement *app_mux;

  /* Other elements */
  GstElement *aud_src;          /* Audio source */
--- a/gst/camerabin/gstcamerabin.c
+++ b/gst/camerabin/gstcamerabin.c
@ -175,11 +175,11 @@
 enum
 {
  /* action signals */
-  USER_START_SIGNAL,
-  USER_STOP_SIGNAL,
-  USER_PAUSE_SIGNAL,
-  USER_RES_FPS_SIGNAL,
-  USER_IMAGE_RES_SIGNAL,
+  CAPTURE_START_SIGNAL,
+  CAPTURE_STOP_SIGNAL,
+  CAPTURE_PAUSE_SIGNAL,
+  SET_VIDEO_RESOLUTION_FPS_SIGNAL,
+  SET_IMAGE_RESOLUTION_SIGNAL,
  /* emit signals */
  IMG_DONE_SIGNAL,
  LAST_SIGNAL
@ -339,22 +339,23 @@ gst_camerabin_handle_message_func (GstBin * bin, GstMessage * message);
 * Action signal function declarations
 */

-static void gst_camerabin_user_start (GstCameraBin * camera);
+static void gst_camerabin_capture_start (GstCameraBin * camera);

-static void gst_camerabin_user_stop (GstCameraBin * camera);
+static void gst_camerabin_capture_stop (GstCameraBin * camera);

-static void gst_camerabin_user_pause (GstCameraBin * camera);
+static void gst_camerabin_capture_pause (GstCameraBin * camera);

 static void
 gst_camerabin_set_image_capture_caps (GstCameraBin * camera, gint width,
    gint height);

 static void
-gst_camerabin_user_res_fps (GstCameraBin * camera, gint width, gint height,
-    gint fps_n, gint fps_d);
+gst_camerabin_set_video_resolution_fps (GstCameraBin * camera, gint width,
+    gint height, gint fps_n, gint fps_d);

 static void
-gst_camerabin_user_image_res (GstCameraBin * camera, gint width, gint height);
+gst_camerabin_set_image_resolution (GstCameraBin * camera, gint width,
+    gint height);


 /*
@ -556,9 +557,9 @@ camerabin_create_src_elements (GstCameraBin * camera)
  GstBin *cbin = GST_BIN (camera);
  gchar *driver_name = NULL;

-  /* Add user set or default video src element */
+  /* Add application set or default video src element */
  if (!(camera->src_vid_src = gst_camerabin_setup_default_element (cbin,
-              camera->user_vid_src, "autovideosrc", DEFAULT_VIDEOSRC))) {
+              camera->app_vid_src, "autovideosrc", DEFAULT_VIDEOSRC))) {
    camera->src_vid_src = NULL;
    goto done;
  } else {
@ -683,9 +684,9 @@ camerabin_create_view_elements (GstCameraBin * camera)
      goto error;
    }
  }
-  /* Add user set or default video sink element */
+  /* Add application set or default video sink element */
  if (!(camera->view_sink = gst_camerabin_setup_default_element (cbin,
-              camera->user_vf_sink, "autovideosink", DEFAULT_VIDEOSINK))) {
+              camera->app_vf_sink, "autovideosink", DEFAULT_VIDEOSINK))) {
    camera->view_sink = NULL;
    goto error;
  } else {
@ -878,14 +879,14 @@ camerabin_dispose_elements (GstCameraBin * camera)
    g_string_free (camera->filename, TRUE);
    camera->filename = NULL;
  }
-  /* Unref user set elements */
-  if (camera->user_vf_sink) {
-    gst_object_unref (camera->user_vf_sink);
-    camera->user_vf_sink = NULL;
+  /* Unref application set elements */
+  if (camera->app_vf_sink) {
+    gst_object_unref (camera->app_vf_sink);
+    camera->app_vf_sink = NULL;
  }
-  if (camera->user_vid_src) {
-    gst_object_unref (camera->user_vid_src);
-    camera->user_vid_src = NULL;
+  if (camera->app_vid_src) {
+    gst_object_unref (camera->app_vid_src);
+    camera->app_vid_src = NULL;
  }

  if (camera->app_video_filter) {
@ -1126,7 +1127,7 @@ gst_camerabin_get_allowed_input_caps (GstCameraBin * camera)

  g_return_val_if_fail (camera != NULL, NULL);

-  videosrc = camera->src_vid_src ? camera->src_vid_src : camera->user_vid_src;
+  videosrc = camera->src_vid_src ? camera->src_vid_src : camera->app_vid_src;

  if (!videosrc) {
    GST_WARNING_OBJECT (camera, "no videosrc, can't get allowed caps");
@ -2658,11 +2659,11 @@ gst_camerabin_class_init (GstCameraBinClass * klass)
   * Resumes video recording if it has been paused.
   */

-  camerabin_signals[USER_START_SIGNAL] =
+  camerabin_signals[CAPTURE_START_SIGNAL] =
      g_signal_new ("capture-start",
      G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
-      G_STRUCT_OFFSET (GstCameraBinClass, user_start),
+      G_STRUCT_OFFSET (GstCameraBinClass, capture_start),
      NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

  /**
@ -2673,11 +2674,11 @@ gst_camerabin_class_init (GstCameraBinClass * klass)
   * recording and returns to the view finder mode.
   */

-  camerabin_signals[USER_STOP_SIGNAL] =
+  camerabin_signals[CAPTURE_STOP_SIGNAL] =
      g_signal_new ("capture-stop",
      G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
-      G_STRUCT_OFFSET (GstCameraBinClass, user_stop),
+      G_STRUCT_OFFSET (GstCameraBinClass, capture_stop),
      NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

  /**
@ -2688,11 +2689,11 @@ gst_camerabin_class_init (GstCameraBinClass * klass)
   * If in image mode or not recording, does nothing.
   */

-  camerabin_signals[USER_PAUSE_SIGNAL] =
+  camerabin_signals[CAPTURE_PAUSE_SIGNAL] =
      g_signal_new ("capture-pause",
      G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
-      G_STRUCT_OFFSET (GstCameraBinClass, user_pause),
+      G_STRUCT_OFFSET (GstCameraBinClass, capture_pause),
      NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);

  /**
@ -2711,11 +2712,11 @@ gst_camerabin_class_init (GstCameraBinClass * klass)
   * given resolution, unless in night mode when minimum is configured.
   */

-  camerabin_signals[USER_RES_FPS_SIGNAL] =
+  camerabin_signals[SET_VIDEO_RESOLUTION_FPS_SIGNAL] =
      g_signal_new ("set-video-resolution-fps",
      G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
-      G_STRUCT_OFFSET (GstCameraBinClass, user_res_fps),
+      G_STRUCT_OFFSET (GstCameraBinClass, set_video_resolution_fps),
      NULL, NULL, __gst_camerabin_marshal_VOID__INT_INT_INT_INT, G_TYPE_NONE, 4,
      G_TYPE_INT, G_TYPE_INT, G_TYPE_INT, G_TYPE_INT);

@ -2729,11 +2730,11 @@ gst_camerabin_class_init (GstCameraBinClass * klass)
   * Does not affect view finder mode and video recording.
   */

-  camerabin_signals[USER_IMAGE_RES_SIGNAL] =
+  camerabin_signals[SET_IMAGE_RESOLUTION_SIGNAL] =
      g_signal_new ("set-image-resolution",
      G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
-      G_STRUCT_OFFSET (GstCameraBinClass, user_image_res),
+      G_STRUCT_OFFSET (GstCameraBinClass, set_image_resolution),
      NULL, NULL, __gst_camerabin_marshal_VOID__INT_INT, G_TYPE_NONE, 2,
      G_TYPE_INT, G_TYPE_INT);

@ -2757,11 +2758,11 @@ gst_camerabin_class_init (GstCameraBinClass * klass)

  gst_camerabin_override_photo_properties (gobject_class);

-  klass->user_start = gst_camerabin_user_start;
-  klass->user_stop = gst_camerabin_user_stop;
-  klass->user_pause = gst_camerabin_user_pause;
-  klass->user_res_fps = gst_camerabin_user_res_fps;
-  klass->user_image_res = gst_camerabin_user_image_res;
+  klass->capture_start = gst_camerabin_capture_start;
+  klass->capture_stop = gst_camerabin_capture_stop;
+  klass->capture_pause = gst_camerabin_capture_pause;
+  klass->set_video_resolution_fps = gst_camerabin_set_video_resolution_fps;
+  klass->set_image_resolution = gst_camerabin_set_image_resolution;

  klass->img_done = gst_camerabin_default_signal_img_done;

@ -2842,7 +2843,7 @@ gst_camerabin_init (GstCameraBin * camera, GstCameraBinClass * gclass)
  camera->aspect_filter = NULL;
  camera->view_sink = NULL;

-  camera->user_vf_sink = NULL;
+  camera->app_vf_sink = NULL;

  /* source elements */
  camera->src_vid_src = NULL;
@ -2853,7 +2854,6 @@ gst_camerabin_init (GstCameraBin * camera, GstCameraBinClass * gclass)
  camera->src_out_sel = NULL;

  camera->app_video_filter = NULL;
-  camera->user_vid_src = NULL;

  camera->active_bin = NULL;

@ -3009,10 +3009,10 @@ gst_camerabin_set_property (GObject * object, guint prop_id,
            ("camerabin must be in NULL state when setting the view finder element"),
            (NULL));
      } else {
-        if (camera->user_vf_sink)
-          gst_object_unref (camera->user_vf_sink);
-        camera->user_vf_sink = g_value_get_object (value);
-        gst_object_ref (camera->user_vf_sink);
+        if (camera->app_vf_sink)
+          gst_object_unref (camera->app_vf_sink);
+        camera->app_vf_sink = g_value_get_object (value);
+        gst_object_ref (camera->app_vf_sink);
      }
      break;
    case ARG_VIDEO_SRC:
@ -3021,10 +3021,10 @@ gst_camerabin_set_property (GObject * object, guint prop_id,
            ("camerabin must be in NULL state when setting the video source element"),
            (NULL));
      } else {
-        if (camera->user_vid_src)
-          gst_object_unref (camera->user_vid_src);
-        camera->user_vid_src = g_value_get_object (value);
-        gst_object_ref (camera->user_vid_src);
+        if (camera->app_vid_src)
+          gst_object_unref (camera->app_vid_src);
+        camera->app_vid_src = g_value_get_object (value);
+        gst_object_ref (camera->app_vid_src);
      }
      break;
    case ARG_AUDIO_SRC:
@ -3151,13 +3151,13 @@ gst_camerabin_get_property (GObject * object, guint prop_id,
      if (camera->view_sink)
        g_value_set_object (value, camera->view_sink);
      else
-        g_value_set_object (value, camera->user_vf_sink);
+        g_value_set_object (value, camera->app_vf_sink);
      break;
    case ARG_VIDEO_SRC:
      if (camera->src_vid_src)
        g_value_set_object (value, camera->src_vid_src);
      else
-        g_value_set_object (value, camera->user_vid_src);
+        g_value_set_object (value, camera->app_vid_src);
      break;
    case ARG_AUDIO_SRC:
      g_value_set_object (value,
@ -3349,12 +3349,12 @@ gst_camerabin_handle_message_func (GstBin * bin, GstMessage * msg)
 */

 static void
-gst_camerabin_user_start (GstCameraBin * camera)
+gst_camerabin_capture_start (GstCameraBin * camera)
 {

  GST_INFO_OBJECT (camera, "starting capture");
  if (camera->paused) {
-    gst_camerabin_user_pause (camera);
+    gst_camerabin_capture_pause (camera);
    return;
  }

@ -3399,7 +3399,7 @@ gst_camerabin_user_start (GstCameraBin * camera)
 }

 static void
-gst_camerabin_user_stop (GstCameraBin * camera)
+gst_camerabin_capture_stop (GstCameraBin * camera)
 {
  if (camera->active_bin == camera->vidbin) {
    GST_INFO_OBJECT (camera, "stopping video capture");
@ -3411,7 +3411,7 @@ gst_camerabin_user_stop (GstCameraBin * camera)
 }

 static void
-gst_camerabin_user_pause (GstCameraBin * camera)
+gst_camerabin_capture_pause (GstCameraBin * camera)
 {
  if (camera->active_bin == camera->vidbin) {
    if (!camera->paused) {
@ -3454,8 +3454,8 @@ gst_camerabin_user_pause (GstCameraBin * camera)
 }

 static void
-gst_camerabin_user_res_fps (GstCameraBin * camera, gint width, gint height,
-    gint fps_n, gint fps_d)
+gst_camerabin_set_video_resolution_fps (GstCameraBin * camera, gint width,
+    gint height, gint fps_n, gint fps_d)
 {
  GstState state, pending;
  GstPad *activepad = NULL;
@ -3523,7 +3523,8 @@ gst_camerabin_set_image_capture_caps (GstCameraBin * camera, gint width,
 }

 static void
-gst_camerabin_user_image_res (GstCameraBin * camera, gint width, gint height)
+gst_camerabin_set_image_resolution (GstCameraBin * camera, gint width,
+    gint height)
 {
  /* Set the caps now already, if possible */
  gst_camerabin_set_image_capture_caps (camera, width, height);
--- a/gst/camerabin/gstcamerabin.h
+++ b/gst/camerabin/gstcamerabin.h
@ -134,9 +134,9 @@ struct _GstCameraBin
  GstElement *view_scale;
  GstElement *view_sink;

-  /* User configurable elements */
-  GstElement *user_vid_src;
-  GstElement *user_vf_sink;
+  /* Application configurable elements */
+  GstElement *app_vid_src;
+  GstElement *app_vf_sink;
  GstElement *app_video_filter;

  /* Night mode handling */
@ -169,12 +169,12 @@ struct _GstCameraBinClass

  /* action signals */

-  void (*user_start) (GstCameraBin * camera);
-  void (*user_stop) (GstCameraBin * camera);
-  void (*user_pause) (GstCameraBin * camera);
-  void (*user_res_fps) (GstCameraBin * camera, gint width, gint height,
-      gint fps_n, gint fps_d);
-  void (*user_image_res) (GstCameraBin * camera, gint width, gint height);
+  void (*capture_start) (GstCameraBin * camera);
+  void (*capture_stop) (GstCameraBin * camera);
+  void (*capture_pause) (GstCameraBin * camera);
+  void (*set_video_resolution_fps) (GstCameraBin * camera, gint width,
+      gint height, gint fps_n, gint fps_d);
+  void (*set_image_resolution) (GstCameraBin * camera, gint width, gint height);

  /* signals (callback) */