1 /* 2 * GStreamer 3 * Copyright (C) 2006 Zaheer Abbas Merali <zaheerabbas at merali dot org> 4 * Copyright (C) 2007 Pioneers of the Inevitable <songbird@songbirdnest.com> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 * 24 * Alternatively, the contents of this file may be used under the 25 * GNU Lesser General Public License Version 2.1 (the "LGPL"), in 26 * which case the following provisions apply instead of the ones 27 * mentioned above: 28 * 29 * This library is free software; you can redistribute it and/or 30 * modify it under the terms of the GNU Library General Public 31 * License as published by the Free Software Foundation; either 32 * version 2 of the License, or (at your option) any later version. 33 * 34 * This library is distributed in the hope that it will be useful, 35 * but WITHOUT ANY WARRANTY; without even the implied warranty of 36 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 37 * Library General Public License for more details. 38 * 39 * You should have received a copy of the GNU Library General Public 40 * License along with this library; if not, write to the 41 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 42 * Boston, MA 02110-1301, USA. 43 * 44 * The development of this code was made possible due to the involvement of 45 * Pioneers of the Inevitable, the creators of the Songbird Music player 46 * 47 */ 48 49 #ifndef __GST_OSX_AUDIO_ELEMENT_H__ 50 #define __GST_OSX_AUDIO_ELEMENT_H__ 51 52 #ifdef HAVE_CONFIG_H 53 # include <config.h> 54 #endif 55 56 #include <gst/gst.h> 57 #ifdef HAVE_IOS 58 #include <CoreAudio/CoreAudioTypes.h> 59 #else 60 #include <CoreAudio/CoreAudio.h> 61 #endif 62 #include <AudioUnit/AudioUnit.h> 63 64 G_BEGIN_DECLS 65 66 #define GST_OSX_AUDIO_ELEMENT_TYPE \ 67 (gst_osx_audio_element_get_type()) 68 #define GST_OSX_AUDIO_ELEMENT(obj) \ 69 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_OSX_AUDIO_ELEMENT_TYPE,GstOsxAudioElementInterface)) 70 #define GST_IS_OSX_AUDIO_ELEMENT(obj) \ 71 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_OSX_AUDIO_ELEMENT_TYPE)) 72 #define GST_OSX_AUDIO_ELEMENT_GET_INTERFACE(inst) \ 73 (G_TYPE_INSTANCE_GET_INTERFACE((inst),GST_OSX_AUDIO_ELEMENT_TYPE,GstOsxAudioElementInterface)) 74 75 typedef struct _GstOsxAudioElementInterface GstOsxAudioElementInterface; 76 77 struct _GstOsxAudioElementInterface 78 { 79 GTypeInterface parent; 80 81 OSStatus (*io_proc) (void * userdata, 82 AudioUnitRenderActionFlags * ioActionFlags, 83 const AudioTimeStamp * inTimeStamp, 84 UInt32 inBusNumber, UInt32 inNumberFrames, 85 AudioBufferList * bufferList); 86 }; 87 88 GType gst_osx_audio_element_get_type (void); 89 90 G_END_DECLS 91 92 #endif /* __GST_OSX_AUDIO_ELEMENT_H__ */ 93