1 /* 2 * GStreamer 3 * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org> 4 * Copyright (C) 2006 Stefan Kost <ensonic@users.sf.net> 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Library General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Library General Public License for more details. 15 * 16 * You should have received a copy of the GNU Library General Public 17 * License along with this library; if not, write to the 18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 19 * Boston, MA 02110-1301, USA. 20 */ 21 22 #ifndef __GST_AUDIO_AMPLIFY_H__ 23 #define __GST_AUDIO_AMPLIFY_H__ 24 25 #include <gst/gst.h> 26 #include <gst/base/gstbasetransform.h> 27 #include <gst/audio/audio.h> 28 #include <gst/audio/gstaudiofilter.h> 29 30 G_BEGIN_DECLS 31 #define GST_TYPE_AUDIO_AMPLIFY (gst_audio_amplify_get_type()) 32 #define GST_AUDIO_AMPLIFY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_AMPLIFY,GstAudioAmplify)) 33 #define GST_IS_AUDIO_AMPLIFY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_AMPLIFY)) 34 #define GST_AUDIO_AMPLIFY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_AMPLIFY,GstAudioAmplifyClass)) 35 #define GST_IS_AUDIO_AMPLIFY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_AMPLIFY)) 36 #define GST_AUDIO_AMPLIFY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_AMPLIFY,GstAudioAmplifyClass)) 37 typedef struct _GstAudioAmplify GstAudioAmplify; 38 typedef struct _GstAudioAmplifyClass GstAudioAmplifyClass; 39 40 typedef void (*GstAudioAmplifyProcessFunc) (GstAudioAmplify *, void *, guint); 41 42 struct _GstAudioAmplify 43 { 44 GstAudioFilter audiofilter; 45 46 gfloat amplification; 47 48 /* < private > */ 49 GstAudioAmplifyProcessFunc process; 50 gint clipping_method; 51 GstAudioFormat format; 52 }; 53 54 struct _GstAudioAmplifyClass 55 { 56 GstAudioFilterClass parent; 57 }; 58 59 GType gst_audio_amplify_get_type (void); 60 61 GST_ELEMENT_REGISTER_DECLARE (audioamplify); 62 63 G_END_DECLS 64 #endif /* __GST_AUDIO_AMPLIFY_H__ */ 65