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Original commit message from CVS: * docs/libs/gst-plugins-base-libs-docs.sgml: * docs/libs/gst-plugins-base-libs-sections.txt: * gst-libs/gst/audio/mixerutils.c: * gst-libs/gst/audio/mixerutils.h: Add docs for mixerutils stuff.
46 lines
1.9 KiB
C
46 lines
1.9 KiB
C
/* GStreamer
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* Copyright (C) 2005-2006 Tim-Philipp Müller <tim centricular net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_AUDIO_MIXERUTILS_H__
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#define __GST_AUDIO_MIXERUTILS_H__
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#include <gst/gst.h>
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#include <gst/interfaces/mixer.h>
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/**
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* GstAudioMixerFilterFunc:
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* @mixer: a #GstElement implementing the #GstMixer interface
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* @user_data: user data
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*
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* Function that will be called by gst_audio_default_registry_mixer_filter()
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* so the caller can decide which mixer elements should be kept and returned.
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* When the mixer element is passed to the callback function, it is opened
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* and in READY state. If you decide to keep the element, you need to set it
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* back to NULL state yourself (unless you want to keep it opened of course).
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*
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* Returns: TRUE if the element should be kept, FALSE otherwise.
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*/
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typedef gboolean (*GstAudioMixerFilterFunc) (GstMixer * mixer, gpointer user_data);
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GList * gst_audio_default_registry_mixer_filter (GstAudioMixerFilterFunc filter_func,
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gboolean first,
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gpointer user_data);
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#endif /* __GST_AUDIO_MIXERUTILS_H__ */
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