[longomatch/livecapturemerged] WIP

[Andoni Morales Alastruey <amorales src gnome org>]

commit e6f1e7c0f2c41a5fe24b3c577b3262bd1644e444
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Sat May 15 19:54:34 2010 +0200

    WIP

 libcesarplayer/src/gst-camera-capturer.c |  112 ++++++++++++++++++++++-------
 libcesarplayer/src/gst-camera-capturer.h |    9 +++
 2 files changed, 94 insertions(+), 27 deletions(-)
---
diff --git a/libcesarplayer/src/gst-camera-capturer.c b/libcesarplayer/src/gst-camera-capturer.c
index 3b83b84..1905288 100644
--- a/libcesarplayer/src/gst-camera-capturer.c
+++ b/libcesarplayer/src/gst-camera-capturer.c
@@ -96,6 +96,7 @@ struct GstCameraCapturerPrivate
   gint video_fps_d;
   gboolean media_has_video;
   gboolean media_has_audio;
+  GccSourceType source_type;
 
   /* Snapshots */
   GstBuffer *last_buffer;
@@ -104,6 +105,7 @@ struct GstCameraCapturerPrivate
   GstElement *main_pipeline;
   GstElement *camerabin;
   GstElement *videosrc;
+  GstElement *videofilter;
   GstElement *audiosrc;
   GstElement *videoenc;
   GstElement *audioenc;
@@ -144,6 +146,8 @@ static void gcc_element_msg_sync (GstBus * bus, GstMessage * msg,
 static void gcc_update_interface_implementations (GstCameraCapturer * gcc);
 static int gcc_parse_video_stream_info (GstCaps * caps,
     GstCameraCapturer * gcc);
+static GstElement * gst_camera_capturer_create_element (GstCameraCapturer *gcc,
+    gchar *element, gchar *element_name, GError **err);
 
 G_DEFINE_TYPE (GstCameraCapturer, gst_camera_capturer, GTK_TYPE_EVENT_BOX);
 
@@ -167,6 +171,7 @@ gst_camera_capturer_init (GstCameraCapturer * object)
   priv->audio_bitrate = 128;
   priv->video_bitrate = 5000;
   priv->last_buffer = NULL;
+  priv->source_type = GCC_SOURCE_TYPE_RAW;
 
   priv->lock = g_mutex_new ();
 }
@@ -213,21 +218,24 @@ gst_camera_capturer_finalize (GObject * object)
 static void
 gst_camera_capturer_apply_resolution (GstCameraCapturer * gcc)
 {
-  GstCaps *caps;
-  gchar *caps_string;
+  /*GstCaps *caps;*/
+  /*gchar *caps_string;*/
 
   GST_INFO_OBJECT (gcc, "Changed video resolution to %dx%d %d/%dfps",
       gcc->priv->output_width, gcc->priv->output_height,
       gcc->priv->output_fps_n, gcc->priv->output_fps_d);
 
-  caps_string =
-      g_strdup_printf
-      ("video/x-raw-yuv, format=(fourcc)I420,width=(int)%d,height=(int)%d",
-      gcc->priv->output_width, gcc->priv->output_height);
-  caps = gst_caps_from_string (caps_string);
-  g_object_set (gcc->priv->camerabin, "filter-caps", caps, NULL);
-  gst_caps_unref (caps);
-  g_free (caps_string);
+  /*caps_string =*/
+      /*g_strdup_printf*/
+      /*("video/x-raw-yuv, format=(fourcc)I420,width=(int)%d,height=(int)%d",*/
+      /*gcc->priv->output_width, gcc->priv->output_height);*/
+  /*caps = gst_caps_from_string (caps_string);*/
+  /*g_object_set (gcc->priv->camerabin, "filter-caps", caps, NULL);*/
+  /*gst_caps_unref (caps);*/
+  /*g_free (caps_string);*/
+  g_signal_emit_by_name (G_OBJECT (gcc->priv->camerabin), "set-video-resolution-fps",
+      gcc->priv->output_width, gcc->priv->output_height,
+      gcc->priv->output_fps_n, gcc->priv->output_fps_d);
 }
 
 static void
@@ -837,6 +845,67 @@ gst_camera_capture_videosrc_buffer_probe (GstPad * pad, GstBuffer * buf,
   return TRUE;
 }
 
+static GstElement *
+gst_camera_capturer_create_element (GstCameraCapturer *gcc,
+    gchar *element, gchar *element_name, GError **err)
+{
+  GstElement * gst_element;
+
+  gst_element = gst_element_factory_make (element, element_name);
+  if (!gst_element){
+    g_set_error (err, GCC_ERROR, ERROR_PLUGIN_LOAD,
+        ("Failed to create a GStreamer element. "
+            "The element \"%s\" is missing. "
+            "Please check your GStreamer installation."),element);
+    g_object_ref_sink (gcc);
+    g_object_unref (gcc);
+    return NULL;
+  }
+  return gst_element;
+}
+
+static void 
+gst_camera_capturer_set_source(GstCameraCapturer * gcc, GError **err)
+{
+  gchar *bin;
+  gchar *source_element;
+
+  switch (gcc->priv->source_type){
+    case GCC_SOURCE_TYPE_DV:
+      {
+#ifdef WIN32
+        source_element = "dshowvideosrc";
+#else
+        source_element = "dv1394src";
+#endif
+        bin = g_strdup_printf("%s ! queue ! video/x-dv "
+            "! dvdemux name=demux .video ! queue "
+            "! ffdec_dv ! queue ! ffmpegcolorspace ! videoscale ! videorate "
+            " .demux ", source_element);
+        gcc->priv->videosrc = gst_parse_bin_from_description(bin, TRUE, err);
+        if (*err){
+          g_print ("Error is %s\n",(*err)->message);
+          return;
+        }
+        gcc->priv->audiosrc = gcc->priv->videosrc;
+      }
+    case GCC_SOURCE_TYPE_RAW:
+      {
+#ifdef WIN32
+        source_element = "dshowvideosrc";
+#else
+        source_element = "v4l2src ! ffmpegcolorspace ! videorate ! videoscale";
+#endif
+        bin = g_strdup_printf("%s",
+            source_element);
+        gcc->priv->videosrc = gst_parse_bin_from_description(bin, TRUE, err);
+        if (*err){
+          return;
+        }
+      }
+  }
+}
+
 GstCameraCapturer *
 gst_camera_capturer_new (gchar * filename, GError ** err)
 {
@@ -864,29 +933,18 @@ gst_camera_capturer_new (gchar * filename, GError ** err)
   GST_INFO_OBJECT (gcc, "Setting capture mode to \"video\"");
   g_object_set (gcc->priv->camerabin, "mode", 1, NULL);
 
-  GST_INFO_OBJECT (gcc, "Setting video source ");
-  gcc->priv->videosrc = gst_element_factory_make (VIDEOSRC, "videosource");
+  g_print ("Seeting audio source \n");
+  GST_INFO_OBJECT (gcc, "Setting video/audio source ");
+  gst_camera_capturer_set_source(gcc, err);
+  if (*err != NULL) {
+    return NULL;
+  }
   g_object_set (gcc->priv->camerabin, "video-source", gcc->priv->videosrc,
       NULL);
-  if (!gcc->priv->videosrc) {
-    plugin = VIDEOSRC;
-    goto missing_plugin;
-  }
-  g_object_set (gcc->priv->videosrc, "do-timestamp", TRUE, NULL);
 
-  GST_INFO_OBJECT (gcc, "Setting audio source ");
-  gcc->priv->audiosrc = gst_element_factory_make (AUDIOSRC, "audiosource");
-  g_object_set (gcc->priv->camerabin, "audio-source", gcc->priv->audiosrc,
-      NULL);
-  if (!gcc->priv->audiosrc) {
-    plugin = AUDIOSRC;
-    goto missing_plugin;
-  }
   GST_INFO_OBJECT (gcc, "Setting capture mode to \"video\"");
   g_object_set (gcc->priv->camerabin, "mode", 1, NULL);
 
-  g_object_set (gcc->priv->camerabin, "mute", TRUE, NULL);
-
   /* assume we're always called from the main Gtk+ GUI thread */
   gui_thread = g_thread_self ();
 
diff --git a/libcesarplayer/src/gst-camera-capturer.h b/libcesarplayer/src/gst-camera-capturer.h
index 3227015..a06f516 100644
--- a/libcesarplayer/src/gst-camera-capturer.h
+++ b/libcesarplayer/src/gst-camera-capturer.h
@@ -63,6 +63,12 @@ struct _GstCameraCapturer
   GstCameraCapturerPrivate *priv;
 };
 
+typedef enum
+{
+  GCC_SOURCE_TYPE_DV,
+  GCC_SOURCE_TYPE_RAW
+}GccSourceType;
+
 EXPORT GType gst_camera_capturer_get_type (void)  G_GNUC_CONST;
 
 EXPORT void gst_camera_capturer_init_backend (int *argc, char ***argv);
@@ -82,6 +88,9 @@ EXPORT gboolean gst_camera_capturer_set_audio_encoder (GstCameraCapturer * gcc,
 EXPORT gboolean gst_camera_capturer_set_video_muxer (GstCameraCapturer * gcc,
                                                     VideoMuxerType type,
                                                     GError ** err);
+EXPORT gboolean gst_camera_capturer_set_video_source_type (GstCameraCapturer * gcc,
+                                                    GccSourceType type,
+						    GError ** err);
 EXPORT GList* gst_camera_capturer_enum_audio_devices (void);
 EXPORT GList* gst_camera_capturer_enum_video_devices (void);
 EXPORT GdkPixbuf* gst_camera_capturer_get_current_frame(GstCameraCapturer *gcc);