1/*****************************************************************************/ 2// LegacyAudioDevice class 3// 4// [Class Description] 5// 6// 7// Copyright (c) 2002 OpenBeOS Project 8// 9// Permission is hereby granted, free of charge, to any person obtaining a 10// copy of this software and associated documentation files (the "Software"), 11// to deal in the Software without restriction, including without limitation 12// the rights to use, copy, modify, merge, publish, distribute, sublicense, 13// and/or sell copies of the Software, and to permit persons to whom the 14// Software is furnished to do so, subject to the following conditions: 15// 16// The above copyright notice and this permission notice shall be included 17// in all copies or substantial portions of the Software. 18// 19// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 24// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 25// DEALINGS IN THE SOFTWARE. 26/*****************************************************************************/ 27 28#ifndef _LEGACY_AUDIO_DEVICE_H 29#define _LEGACY_AUDIO_DEVICE_H 30 31#include <media/MediaAddOn.h> 32#include <media/MediaFormats.h> 33 34class LegacyAudioDevice 35{ 36 public: 37 LegacyAudioDevice( const char *name, int32 id ); 38 ~LegacyAudioDevice(); 39 40 bool CheckInit() 41 { return fInitOK; } 42 43 flavor_info *GetInputFlavor() 44 { return &input_flavor; } 45 46 flavor_info *GetOutputFlavor() 47 { return &output_flavor; } 48 49 media_format *GetInputFormat() 50 { return &input_format; } 51 52 media_format *GetOutputFormat() 53 { return &output_format; } 54 55 56 protected: 57 int32 Input_Thread(); 58 int32 Output_Thread(); 59 60 private: 61 bool fInitOK; 62 63 int fd; //file-descriptor of hw device 64 65 flavor_info input_flavor; 66 media_format input_format; 67 sem_id in_sem; //input completion semaphore 68 thread_id input_thread; //input thread 69 70 flavor_info output_flavor; 71 media_format output_format; 72 sem_id out_sem; //output completion semaphore 73 thread_id output_thread; //output thread 74}; 75 76#endif 77