1/* 2 * Copyright (C) 2011 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_ANDROIDMETADATA_H_ 18#define OPENSL_ES_ANDROIDMETADATA_H_ 19 20#ifdef __cplusplus 21extern "C" { 22#endif 23 24/*---------------------------------------------------------------------------*/ 25/* Android metadata keys */ 26/*---------------------------------------------------------------------------*/ 27 28/** 29 * Additional metadata keys to be used in SLMetadataExtractionItf: 30 * the ANDROID_KEY_PCMFORMAT_* keys follow the fields of the SLDataFormat_PCM struct, and as such 31 * all values corresponding to these keys are of SLuint32 type, and are defined as the fields 32 * of the same name in SLDataFormat_PCM. The exception is that sample rate is expressed here 33 * in Hz units, rather than in milliHz units. 34 */ 35#define ANDROID_KEY_PCMFORMAT_NUMCHANNELS "AndroidPcmFormatNumChannels" 36#define ANDROID_KEY_PCMFORMAT_SAMPLERATE "AndroidPcmFormatSampleRate" 37#define ANDROID_KEY_PCMFORMAT_BITSPERSAMPLE "AndroidPcmFormatBitsPerSample" 38#define ANDROID_KEY_PCMFORMAT_CONTAINERSIZE "AndroidPcmFormatContainerSize" 39#define ANDROID_KEY_PCMFORMAT_CHANNELMASK "AndroidPcmFormatChannelMask" 40#define ANDROID_KEY_PCMFORMAT_ENDIANNESS "AndroidPcmFormatEndianness" 41 42 43#ifdef __cplusplus 44} 45#endif /* __cplusplus */ 46 47#endif /* OPENSL_ES_ANDROIDMETADATA_H_ */ 48