mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-29 09:45:07 +00:00
ddf40c2406
Original commit message from CVS: * gst-libs/gst/audio/mixerutils.h: Add G_BEGIN_DECLS and G_END_DECLS guards so these helpers can be used when compiling with c++ compilers as well.
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/* 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__ */
|