156c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks/*---------------------------------------------------------------------------- 256c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * 356c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * File: 456c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * eas_audioconst.h 556c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * 656c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * Contents and purpose: 756c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * Defines audio constants related to the sample rate, bit size, etc. 856c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * 956c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * 1056c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * Copyright Sonic Network Inc. 2005 117df30109963092559d3760c0661a020f9daf1030The Android Open Source Project 127df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 137df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * you may not use this file except in compliance with the License. 147df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * You may obtain a copy of the License at 157df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * 167df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 177df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * 187df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 197df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 207df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 217df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * See the License for the specific language governing permissions and 227df30109963092559d3760c0661a020f9daf1030The Android Open Source Project * limitations under the License. 2356c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * 2456c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks *---------------------------------------------------------------------------- 2556c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * Revision Control: 2656c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * $Revision: 82 $ 2756c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * $Date: 2006-07-10 11:45:19 -0700 (Mon, 10 Jul 2006) $ 2856c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks *---------------------------------------------------------------------------- 2956c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks*/ 3056c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 3156c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#ifndef _EAS_AUDIOCONST_H 3256c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define _EAS_AUDIOCONST_H 3356c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 3456c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks/*---------------------------------------------------------------------------- 3556c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * These macros define the various characteristics of the defined sample rates 3656c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks *---------------------------------------------------------------------------- 3756c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * BUFFER_SIZE_IN_MONO_SAMPLES size of buffer in samples 3856c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * _OUTPUT_SAMPLE_RATE compiled output sample rate 3956c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * AUDIO_FRAME_LENGTH length of an audio frame in 256ths of a millisecond 4056c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks * SYNTH_UPDATE_PERIOD_IN_BITS length of an audio frame (2^x samples) 4156c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks *---------------------------------------------------------------------------- 4256c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks*/ 4356c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 4456c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#if defined (_SAMPLE_RATE_8000) 4556c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define BUFFER_SIZE_IN_MONO_SAMPLES 32 4656c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define _OUTPUT_SAMPLE_RATE 8000 4756c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define AUDIO_FRAME_LENGTH 1024 4856c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define SYNTH_UPDATE_PERIOD_IN_BITS 5 4956c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 5056c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#elif defined (_SAMPLE_RATE_16000) 5156c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define BUFFER_SIZE_IN_MONO_SAMPLES 64 5256c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define _OUTPUT_SAMPLE_RATE 16000 5356c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define AUDIO_FRAME_LENGTH 1024 5456c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define SYNTH_UPDATE_PERIOD_IN_BITS 6 5556c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 5656c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#elif defined (_SAMPLE_RATE_20000) 5756c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define BUFFER_SIZE_IN_MONO_SAMPLES 128 5856c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define _OUTPUT_SAMPLE_RATE 20000 5956c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define AUDIO_FRAME_LENGTH 1638 6056c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define SYNTH_UPDATE_PERIOD_IN_BITS 7 6156c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 6256c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#elif defined (_SAMPLE_RATE_22050) 6356c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define BUFFER_SIZE_IN_MONO_SAMPLES 128 6456c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define _OUTPUT_SAMPLE_RATE 22050 6556c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define AUDIO_FRAME_LENGTH 1486 6656c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define SYNTH_UPDATE_PERIOD_IN_BITS 7 6756c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 6856c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#elif defined (_SAMPLE_RATE_24000) 6956c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define BUFFER_SIZE_IN_MONO_SAMPLES 128 7056c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define _OUTPUT_SAMPLE_RATE 24000 7156c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define AUDIO_FRAME_LENGTH 1365 7256c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define SYNTH_UPDATE_PERIOD_IN_BITS 7 7356c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 7456c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#elif defined (_SAMPLE_RATE_32000) 7556c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define BUFFER_SIZE_IN_MONO_SAMPLES 128 7656c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define _OUTPUT_SAMPLE_RATE 32000 7756c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define AUDIO_FRAME_LENGTH 1024 7856c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define SYNTH_UPDATE_PERIOD_IN_BITS 7 7956c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 8056c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#elif defined (_SAMPLE_RATE_44100) 8156c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define BUFFER_SIZE_IN_MONO_SAMPLES 256 8256c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define _OUTPUT_SAMPLE_RATE 44100 8356c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define AUDIO_FRAME_LENGTH 1486 8456c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define SYNTH_UPDATE_PERIOD_IN_BITS 8 8556c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 8656c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#elif defined (_SAMPLE_RATE_48000) 8756c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define BUFFER_SIZE_IN_MONO_SAMPLES 256 8856c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define _OUTPUT_SAMPLE_RATE 48000 8956c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define AUDIO_FRAME_LENGTH 1365 9056c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#define SYNTH_UPDATE_PERIOD_IN_BITS 8 9156c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 9256c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#else 9356c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#error "_SAMPLE_RATE_XXXXX must be defined to valid rate" 9456c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#endif 9556c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 9656c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks#endif /* #ifndef _EAS_AUDIOCONST_H */ 9756c99cd2c2c1e6ab038dac5fced5b92ccf11ff6cDave Sparks 98