--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_good/gst/camerabin/gstcamerabinphotography.c	Wed Sep 01 12:16:41 2010 +0100
@@ -0,0 +1,222 @@
+/*
+ * GStreamer
+ * Copyright (C) 2008 Nokia Corporation <multimedia@maemo.org>
+ *
+ * Photography interface implementation for camerabin.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gstcamerabinphotography.h"
+#include "gstcamerabin.h"
+
+GST_DEBUG_CATEGORY_STATIC (camerabinphoto_debug);
+#define GST_CAT_DEFAULT camerabinphoto_debug
+
+#define PHOTOGRAPHY_IS_OK(photo_elem) (GST_IS_ELEMENT (photo_elem) && \
+                                       gst_element_implements_interface (photo_elem, GST_TYPE_PHOTOGRAPHY))
+
+#define GST_PHOTOGRAPHY_IMPL_TEMPLATE(function_name, param_type) \
+static gboolean \
+gst_camerabin_set_ ## function_name (GstPhotography *photo, param_type param) \
+{ \
+  GstCameraBin *camera; \
+  gboolean ret = FALSE; \
+  g_return_val_if_fail (photo != NULL, FALSE); \
+  camera = GST_CAMERABIN (photo); \
+  if (PHOTOGRAPHY_IS_OK (camera->src_vid_src)) { \
+    ret = gst_photography_set_ ## function_name (GST_PHOTOGRAPHY (camera->src_vid_src), param); \
+  } \
+  return ret; \
+} \
+static gboolean \
+gst_camerabin_get_ ## function_name (GstPhotography *photo, param_type * param) \
+{ \
+  GstCameraBin *camera; \
+  gboolean ret = FALSE; \
+  g_return_val_if_fail (photo != NULL, FALSE); \
+  camera = GST_CAMERABIN (photo); \
+  if (PHOTOGRAPHY_IS_OK (camera->src_vid_src)) { \
+    ret = gst_photography_get_ ## function_name (GST_PHOTOGRAPHY (camera->src_vid_src), param); \
+  } \
+  return ret; \
+}
+
+GST_PHOTOGRAPHY_IMPL_TEMPLATE (ev_compensation, gfloat);
+GST_PHOTOGRAPHY_IMPL_TEMPLATE (iso_speed, guint);
+GST_PHOTOGRAPHY_IMPL_TEMPLATE (white_balance_mode, GstWhiteBalanceMode);
+GST_PHOTOGRAPHY_IMPL_TEMPLATE (colour_tone_mode, GstColourToneMode);
+GST_PHOTOGRAPHY_IMPL_TEMPLATE (flash_mode, GstFlashMode);
+
+static gboolean
+gst_camerabin_set_zoom (GstPhotography * photo, gfloat zoom)
+{
+  GstCameraBin *camera;
+
+  g_return_val_if_fail (photo != NULL, FALSE);
+
+  camera = GST_CAMERABIN (photo);
+
+  /* camerabin can zoom by itself */
+  g_object_set (camera, "zoom", (gint) (CLAMP (zoom, 1.0, 10.0) * 100), NULL);
+
+  return TRUE;
+}
+
+static gboolean
+gst_camerabin_get_zoom (GstPhotography * photo, gfloat * zoom)
+{
+  GstCameraBin *camera;
+  gint cb_zoom = 0;
+
+  g_return_val_if_fail (photo != NULL, FALSE);
+
+  camera = GST_CAMERABIN (photo);
+
+  g_object_get (camera, "zoom", &cb_zoom, NULL);
+  *zoom = (gfloat) (cb_zoom / 100.0);
+
+  return TRUE;
+}
+
+static gboolean
+gst_camerabin_set_scene_mode (GstPhotography * photo, GstSceneMode scene_mode)
+{
+  GstCameraBin *camera;
+  gboolean ret = FALSE;
+
+  g_return_val_if_fail (photo != NULL, FALSE);
+
+  camera = GST_CAMERABIN (photo);
+
+  if (scene_mode == GST_PHOTOGRAPHY_SCENE_MODE_NIGHT) {
+    GST_DEBUG ("enabling night mode, lowering fps");
+    /* Make camerabin select the lowest allowed frame rate */
+    camera->night_mode = TRUE;
+    /* Remember frame rate before setting night mode */
+    camera->pre_night_fps_n = camera->fps_n;
+    camera->pre_night_fps_d = camera->fps_d;
+    g_signal_emit_by_name (camera, "user-res-fps", camera->width,
+        camera->height, 0, 0, 0);
+  } else {
+    if (camera->night_mode) {
+      GST_DEBUG ("disabling night mode, restoring fps to %d/%d",
+          camera->pre_night_fps_n, camera->pre_night_fps_d);
+      camera->night_mode = FALSE;
+      g_signal_emit_by_name (camera, "user-res-fps", camera->width,
+          camera->height, camera->pre_night_fps_n, camera->pre_night_fps_d, 0);
+    }
+  }
+
+  if (PHOTOGRAPHY_IS_OK (camera->src_vid_src)) {
+    ret = gst_photography_set_scene_mode (GST_PHOTOGRAPHY (camera->src_vid_src),
+        scene_mode);
+  }
+  return ret;
+}
+
+static gboolean
+gst_camerabin_get_scene_mode (GstPhotography * photo, GstSceneMode * scene_mode)
+{
+  GstCameraBin *camera;
+  gboolean ret = FALSE;
+
+  g_return_val_if_fail (photo != NULL, FALSE);
+
+  camera = GST_CAMERABIN (photo);
+
+  if (PHOTOGRAPHY_IS_OK (camera->src_vid_src)) {
+    ret = gst_photography_get_scene_mode (GST_PHOTOGRAPHY (camera->src_vid_src),
+        scene_mode);
+  }
+  return ret;
+}
+
+static GstPhotoCaps
+gst_camerabin_get_capabilities (GstPhotography * photo)
+{
+  GstCameraBin *camera;
+  /* camerabin can zoom by itself */
+  GstPhotoCaps pcaps = GST_PHOTOGRAPHY_CAPS_ZOOM;
+
+  g_return_val_if_fail (photo != NULL, FALSE);
+
+  camera = GST_CAMERABIN (photo);
+
+  if (GST_IS_ELEMENT (camera->src_vid_src) &&
+      gst_element_implements_interface (camera->src_vid_src,
+          GST_TYPE_PHOTOGRAPHY)) {
+    GstPhotography *p2 = GST_PHOTOGRAPHY (camera->src_vid_src);
+    pcaps |= gst_photography_get_capabilities (p2);
+  }
+
+  return pcaps;
+}
+
+static void
+gst_camerabin_set_autofocus (GstPhotography * photo, gboolean on)
+{
+  GstCameraBin *camera;
+
+  g_return_if_fail (photo != NULL);
+
+  camera = GST_CAMERABIN (photo);
+
+  GST_DEBUG_OBJECT (camera, "setting autofocus %s", on ? "ON" : "OFF");
+
+  if (PHOTOGRAPHY_IS_OK (camera->src_vid_src)) {
+    gst_photography_set_autofocus (GST_PHOTOGRAPHY (camera->src_vid_src), on);
+  }
+}
+
+
+void
+gst_camerabin_photography_init (GstPhotographyInterface * iface)
+{
+  GST_DEBUG_CATEGORY_INIT (camerabinphoto_debug, "camerabinphoto", 0,
+      "Camerabin photography interface debugging");
+
+  GST_INFO ("initing");
+
+  iface->set_ev_compensation = gst_camerabin_set_ev_compensation;
+  iface->get_ev_compensation = gst_camerabin_get_ev_compensation;
+
+  iface->set_iso_speed = gst_camerabin_set_iso_speed;
+  iface->get_iso_speed = gst_camerabin_get_iso_speed;
+
+  iface->set_white_balance_mode = gst_camerabin_set_white_balance_mode;
+  iface->get_white_balance_mode = gst_camerabin_get_white_balance_mode;
+
+  iface->set_colour_tone_mode = gst_camerabin_set_colour_tone_mode;
+  iface->get_colour_tone_mode = gst_camerabin_get_colour_tone_mode;
+
+  iface->set_scene_mode = gst_camerabin_set_scene_mode;
+  iface->get_scene_mode = gst_camerabin_get_scene_mode;
+
+  iface->set_flash_mode = gst_camerabin_set_flash_mode;
+  iface->get_flash_mode = gst_camerabin_get_flash_mode;
+
+  iface->set_zoom = gst_camerabin_set_zoom;
+  iface->get_zoom = gst_camerabin_get_zoom;
+
+  iface->get_capabilities = gst_camerabin_get_capabilities;
+
+  iface->set_autofocus = gst_camerabin_set_autofocus;
+}