1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef OPENSL_ES_ANDROIDCONFIGURATION_H_ 18#define OPENSL_ES_ANDROIDCONFIGURATION_H_ 19 20#ifdef __cplusplus 21extern "C" { 22#endif 23 24/*---------------------------------------------------------------------------*/ 25/* Android AudioRecorder configuration */ 26/*---------------------------------------------------------------------------*/ 27 28/** Audio recording preset */ 29/** Audio recording preset key */ 30#define SL_ANDROID_KEY_RECORDING_PRESET ((const SLchar*) "androidRecordingPreset") 31/** Audio recording preset values */ 32/** preset "none" cannot be set, it is used to indicate the current settings 33 * do not match any of the presets. */ 34#define SL_ANDROID_RECORDING_PRESET_NONE ((SLuint32) 0x00000000) 35/** generic recording configuration on the platform */ 36#define SL_ANDROID_RECORDING_PRESET_GENERIC ((SLuint32) 0x00000001) 37/** uses the microphone audio source with the same orientation as the camera 38 * if available, the main device microphone otherwise */ 39#define SL_ANDROID_RECORDING_PRESET_CAMCORDER ((SLuint32) 0x00000002) 40/** uses the main microphone tuned for voice recognition */ 41#define SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION ((SLuint32) 0x00000003) 42/** uses the main microphone tuned for audio communications */ 43#define SL_ANDROID_RECORDING_PRESET_VOICE_COMMUNICATION ((SLuint32) 0x00000004) 44/** uses the main microphone unprocessed */ 45#define SL_ANDROID_RECORDING_PRESET_UNPROCESSED ((SLuint32) 0x00000005) 46 47 48/*---------------------------------------------------------------------------*/ 49/* Android AudioPlayer configuration */ 50/*---------------------------------------------------------------------------*/ 51 52/** Audio playback stream type */ 53/** Audio playback stream type key */ 54#define SL_ANDROID_KEY_STREAM_TYPE ((const SLchar*) "androidPlaybackStreamType") 55 56/** Audio playback stream type values */ 57/* same as android.media.AudioManager.STREAM_VOICE_CALL */ 58#define SL_ANDROID_STREAM_VOICE ((SLint32) 0x00000000) 59/* same as android.media.AudioManager.STREAM_SYSTEM */ 60#define SL_ANDROID_STREAM_SYSTEM ((SLint32) 0x00000001) 61/* same as android.media.AudioManager.STREAM_RING */ 62#define SL_ANDROID_STREAM_RING ((SLint32) 0x00000002) 63/* same as android.media.AudioManager.STREAM_MUSIC */ 64#define SL_ANDROID_STREAM_MEDIA ((SLint32) 0x00000003) 65/* same as android.media.AudioManager.STREAM_ALARM */ 66#define SL_ANDROID_STREAM_ALARM ((SLint32) 0x00000004) 67/* same as android.media.AudioManager.STREAM_NOTIFICATION */ 68#define SL_ANDROID_STREAM_NOTIFICATION ((SLint32) 0x00000005) 69 70 71/*---------------------------------------------------------------------------*/ 72/* Android AudioPlayer and AudioRecorder configuration */ 73/*---------------------------------------------------------------------------*/ 74 75/** Audio Performance mode. 76 * Performance mode tells the framework how to configure the audio path 77 * for a player or recorder according to application performance and 78 * functional requirements. 79 * It affects the output or input latency based on acceptable tradeoffs on 80 * battery drain and use of pre or post processing effects. 81 * Performance mode should be set before realizing the object and should be 82 * read after realizing the object to check if the requested mode could be 83 * granted or not. 84 */ 85/** Audio Performance mode key */ 86#define SL_ANDROID_KEY_PERFORMANCE_MODE ((const SLchar*) "androidPerformanceMode") 87 88/** Audio performance values */ 89/* No specific performance requirement. Allows HW and SW pre/post processing. */ 90#define SL_ANDROID_PERFORMANCE_NONE ((SLuint32) 0x00000000) 91/* Priority given to latency. No HW or software pre/post processing. 92 * This is the default if no performance mode is specified. */ 93#define SL_ANDROID_PERFORMANCE_LATENCY ((SLuint32) 0x00000001) 94/* Priority given to latency while still allowing HW pre and post processing. */ 95#define SL_ANDROID_PERFORMANCE_LATENCY_EFFECTS ((SLuint32) 0x00000002) 96/* Priority given to power saving if latency is not a concern. 97 * Allows HW and SW pre/post processing. */ 98#define SL_ANDROID_PERFORMANCE_POWER_SAVING ((SLuint32) 0x00000003) 99 100 101#ifdef __cplusplus 102} 103#endif /* __cplusplus */ 104 105#endif /* OPENSL_ES_ANDROIDCONFIGURATION_H_ */ 106