1 /* 2 * GStreamer 3 * Copyright (C) 2005-2006 Zaheer Abbas Merali <zaheerabbas at merali dot org> 4 * Copyright (C) 2007 Pioneers of the Inevitable <songbird@songbirdnest.com> 5 * Copyright (C) 2012 Fluendo S.A. <support@fluendo.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23 * DEALINGS IN THE SOFTWARE. 24 * 25 * Alternatively, the contents of this file may be used under the 26 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in 27 * which case the following provisions apply instead of the ones 28 * mentioned above: 29 * 30 * This library is free software; you can redistribute it and/or 31 * modify it under the terms of the GNU Library General Public 32 * License as published by the Free Software Foundation; either 33 * version 2 of the License, or (at your option) any later version. 34 * 35 * This library is distributed in the hope that it will be useful, 36 * but WITHOUT ANY WARRANTY; without even the implied warranty of 37 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 38 * Library General Public License for more details. 39 * 40 * You should have received a copy of the GNU Library General Public 41 * License along with this library; if not, write to the 42 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 43 * Boston, MA 02110-1301, USA. 44 * 45 * The development of this code was made possible due to the involvement of 46 * Pioneers of the Inevitable, the creators of the Songbird Music player 47 * 48 */ 49 50 #ifndef __GST_OSXAUDIOSINK_H__ 51 #define __GST_OSXAUDIOSINK_H__ 52 53 #include <gst/gst.h> 54 #include <gst/audio/audio.h> 55 #include <gst/audio/gstaudiobasesink.h> 56 #include "gstosxaudioringbuffer.h" 57 58 G_BEGIN_DECLS 59 60 #define GST_OSX_AUDIO_SINK_CAPS "audio/x-raw, " \ 61 "format = (string) " GST_AUDIO_FORMATS_ALL ", " \ 62 "layout = (string) interleaved, " \ 63 "rate = (int) [1, MAX], " \ 64 "channels = (int) [1, 9];" \ 65 "audio/x-ac3, framed = (boolean) true;" \ 66 "audio/x-dts, framed = (boolean) true" 67 68 #define GST_TYPE_OSX_AUDIO_SINK \ 69 (gst_osx_audio_sink_get_type()) 70 #define GST_OSX_AUDIO_SINK(obj) \ 71 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OSX_AUDIO_SINK,GstOsxAudioSink)) 72 #define GST_OSX_AUDIO_SINK_CLASS(klass) \ 73 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OSX_AUDIO_SINK,GstOsxAudioSinkClass)) 74 #define GST_IS_OSX_AUDIO_SINK(obj) \ 75 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OSX_AUDIO_SINK)) 76 77 typedef struct _GstOsxAudioSink GstOsxAudioSink; 78 typedef struct _GstOsxAudioSinkClass GstOsxAudioSinkClass; 79 80 struct _GstOsxAudioSink 81 { 82 GstAudioBaseSink sink; 83 84 AudioDeviceID device_id; 85 86 AudioUnit audiounit; 87 double volume; 88 89 guint channels; 90 }; 91 92 struct _GstOsxAudioSinkClass 93 { 94 GstAudioBaseSinkClass parent_class; 95 }; 96 97 GType gst_osx_audio_sink_get_type (void); 98 99 G_END_DECLS 100 101 #endif /* __GST_OSXAUDIOSINK_H__ */ 102 103