Move GStreamer related media functions into its own header.

1 files changed, 146 insertions, 0 deletions

diff --git a/libpurple/media-gst.h b/libpurple/media-gst.h
new file mode 100644
index 0000000000..7ab8aa86aa
--- /dev/null
+++ b/libpurple/media-gst.h
@@ -0,0 +1,146 @@
+/**
+ * @file media-gst.h Media API
+ * @ingroup core
+ */
+
+/* purple
+ *
+ * Purple is the legal property of its developers, whose names are too numerous
+ * to list here.  Please refer to the COPYRIGHT file distributed with this
+ * source distribution.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __MEDIA_GST_H_
+#define __MEDIA_GST_H_
+
+#ifdef USE_VV
+
+#include "media.h"
+#include "mediamanager.h"
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+/** @copydoc _PurpleMediaElementInfo */
+typedef struct _PurpleMediaElementInfo PurpleMediaElementInfo;
+
+typedef enum {
+	PURPLE_MEDIA_ELEMENT_AUDIO = 1,			/** supports audio */
+	PURPLE_MEDIA_ELEMENT_VIDEO = 1 << 1,		/** supports video */
+	PURPLE_MEDIA_ELEMENT_AUDIO_VIDEO = PURPLE_MEDIA_ELEMENT_AUDIO
+			| PURPLE_MEDIA_ELEMENT_VIDEO, 	/** supports audio and video */
+
+	PURPLE_MEDIA_ELEMENT_NO_SRCS = 0,		/** has no src pads */
+	PURPLE_MEDIA_ELEMENT_ONE_SRC = 1 << 2,		/** has one src pad */
+	PURPLE_MEDIA_ELEMENT_MULTI_SRC = 1 << 3, 	/** has multiple src pads */
+	PURPLE_MEDIA_ELEMENT_REQUEST_SRC = 1 << 4, 	/** src pads must be requested */
+
+	PURPLE_MEDIA_ELEMENT_NO_SINKS = 0,		/** has no sink pads */
+	PURPLE_MEDIA_ELEMENT_ONE_SINK = 1 << 5, 	/** has one sink pad */
+	PURPLE_MEDIA_ELEMENT_MULTI_SINK = 1 << 6, 	/** has multiple sink pads */
+	PURPLE_MEDIA_ELEMENT_REQUEST_SINK = 1 << 7, 	/** sink pads must be requested */
+
+	PURPLE_MEDIA_ELEMENT_UNIQUE = 1 << 8,		/** This element is unique and
+							 only one instance of it should
+							 be created at a time */
+
+	PURPLE_MEDIA_ELEMENT_SRC = 1 << 9,		/** can be set as an active src */
+	PURPLE_MEDIA_ELEMENT_SINK = 1 << 10,		/** can be set as an active sink */
+} PurpleMediaElementType;
+
+struct _PurpleMediaElementInfo
+{
+	const gchar *id;
+	PurpleMediaElementType type;
+	GstElement *(*create)(void);
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Gets the source from a session
+ *
+ * @param media The media object the session is in.
+ * @param sess_id The session id of the session to get the source from.
+ *
+ * @return The source retrieved.
+ */
+GstElement *purple_media_get_src(PurpleMedia *media, const gchar *sess_id);
+
+/**
+ * Gets the pipeline from the media session.
+ *
+ * @param media The media session to retrieve the pipeline from.
+ *
+ * @return The pipeline retrieved.
+ */
+GstElement *purple_media_get_pipeline(PurpleMedia *media);
+
+/**
+ * Gets the tee from a given session/stream.
+ *
+ * @param media The instance to get the tee from.
+ * @param session_id The id of the session to get the tee from.
+ * @param participant Optionally, the participant of the stream to get the tee from.
+ *
+ * @return The GstTee element from the chosen session/stream.
+ */
+GstElement *purple_media_get_tee(PurpleMedia *media,
+		const gchar *session_id, const gchar *participant);
+
+
+/**
+ * Gets the pipeline from the media manager.
+ *
+ * @param manager The media manager to get the pipeline from.
+ *
+ * @return The pipeline.
+ */
+GstElement *purple_media_manager_get_pipeline(PurpleMediaManager *manager);
+
+/**
+ * Returns a GStreamer source or sink for audio or video.
+ *
+ * @param manager The media manager to use to obtain the source/sink.
+ * @param type The type of source/sink to get.
+ */
+GstElement *purple_media_manager_get_element(PurpleMediaManager *manager,
+		PurpleMediaSessionType type);
+
+PurpleMediaElementInfo *purple_media_manager_get_element_info(
+		PurpleMediaManager *manager, const gchar *name);
+gboolean purple_media_manager_register_element(PurpleMediaManager *manager,
+		PurpleMediaElementInfo *info);
+gboolean purple_media_manager_unregister_element(PurpleMediaManager *manager,
+		const gchar *name);
+gboolean purple_media_manager_set_active_element(PurpleMediaManager *manager,
+		PurpleMediaElementInfo *info);
+PurpleMediaElementInfo *purple_media_manager_get_active_element(
+		PurpleMediaManager *manager, PurpleMediaElementType type);
+
+#ifdef __cplusplus
+}
+#endif
+
+G_END_DECLS
+
+#endif  /* USE_VV */
+
+#endif  /* __MEDIA_GST_H_ */