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Contents
/* GStreamer
* Copyright (C) 2005-2006 Tim-Philipp Müller <tim centricular net>
*
* 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.
*/
#ifndef __GST_AUDIO_MIXERUTILS_H__
#define __GST_AUDIO_MIXERUTILS_H__
#include <gst/gst.h>
#include <gst/interfaces/mixer.h>
G_BEGIN_DECLS
/**
* GstAudioMixerFilterFunc:
* @mixer: a #GstElement implementing the #GstMixer interface
* @user_data: user data
*
* Function that will be called by gst_audio_default_registry_mixer_filter()
* so the caller can decide which mixer elements should be kept and returned.
* When the mixer element is passed to the callback function, it is opened
* and in READY state. If you decide to keep the element, you need to set it
* back to NULL state yourself (unless you want to keep it opened of course).
*
* Returns: TRUE if the element should be kept, FALSE otherwise.
*/
typedef gboolean (*GstAudioMixerFilterFunc) (GstMixer * mixer, gpointer user_data);
GList * gst_audio_default_registry_mixer_filter (GstAudioMixerFilterFunc filter_func,
gboolean first,
gpointer user_data);
G_END_DECLS
#endif /* __GST_AUDIO_MIXERUTILS_H__ */
Version data entries
17 entries across 17 versions & 1 rubygems