1 /* 2 * GStreamer 3 * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef __GST_AUDIO_DYNAMIC_H__ 22 #define __GST_AUDIO_DYNAMIC_H__ 23 24 #include <gst/gst.h> 25 #include <gst/base/gstbasetransform.h> 26 #include <gst/audio/audio.h> 27 #include <gst/audio/gstaudiofilter.h> 28 29 G_BEGIN_DECLS 30 31 #define GST_TYPE_AUDIO_DYNAMIC (gst_audio_dynamic_get_type()) 32 #define GST_AUDIO_DYNAMIC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_DYNAMIC,GstAudioDynamic)) 33 #define GST_IS_AUDIO_DYNAMIC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_DYNAMIC)) 34 #define GST_AUDIO_DYNAMIC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_DYNAMIC,GstAudioDynamicClass)) 35 #define GST_IS_AUDIO_DYNAMIC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_DYNAMIC)) 36 #define GST_AUDIO_DYNAMIC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_DYNAMIC,GstAudioDynamicClass)) 37 typedef struct _GstAudioDynamic GstAudioDynamic; 38 typedef struct _GstAudioDynamicClass GstAudioDynamicClass; 39 40 typedef void (*GstAudioDynamicProcessFunc) (GstAudioDynamic *, guint8 *, guint); 41 42 struct _GstAudioDynamic 43 { 44 GstAudioFilter audiofilter; 45 46 /* < private > */ 47 GstAudioDynamicProcessFunc process; 48 gint characteristics; 49 gint mode; 50 gfloat threshold; 51 gfloat ratio; 52 }; 53 54 struct _GstAudioDynamicClass 55 { 56 GstAudioFilterClass parent; 57 }; 58 59 GType gst_audio_dynamic_get_type (void); 60 61 GST_ELEMENT_REGISTER_DECLARE (audiodynamic); 62 63 G_END_DECLS 64 65 #endif /* __GST_AUDIO_DYNAMIC_H__ */ 66