audio.h revision c8183af4b3a3515f8f0cff27b2808a7139f18230
1e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* 2e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * Copyright (C) 2011 The Android Open Source Project 3e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * 4e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * Licensed under the Apache License, Version 2.0 (the "License"); 5e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * you may not use this file except in compliance with the License. 6e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * You may obtain a copy of the License at 7e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * 8e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * http://www.apache.org/licenses/LICENSE-2.0 9e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * 10e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * Unless required by applicable law or agreed to in writing, software 11e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * distributed under the License is distributed on an "AS IS" BASIS, 12e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * See the License for the specific language governing permissions and 14e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * limitations under the License. 15e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin */ 16e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 17e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 18e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin#ifndef ANDROID_AUDIO_CORE_H 19e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin#define ANDROID_AUDIO_CORE_H 20e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 21e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin#include <stdbool.h> 22e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin#include <stdint.h> 23e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin#include <sys/cdefs.h> 24e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin#include <sys/types.h> 25e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 26e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin#include <cutils/bitops.h> 27e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 28e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin__BEGIN_DECLS 29e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 30e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* The enums were moved here mostly from 31e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * frameworks/base/include/media/AudioSystem.h 32e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin */ 33e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 348ecc7afca42d0bb27aad25733790309f71f307d6Jeff Brown/* device address used to refer to the standard remote submix */ 358ecc7afca42d0bb27aad25733790309f71f307d6Jeff Brown#define AUDIO_REMOTE_SUBMIX_DEVICE_ADDRESS "0" 368ecc7afca42d0bb27aad25733790309f71f307d6Jeff Brown 371c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten/* AudioFlinger and AudioPolicy services use I/O handles to identify audio sources and sinks */ 38e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef int audio_io_handle_t; 391c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten#define AUDIO_IO_HANDLE_NONE 0 40e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 41e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* Audio stream types */ 42e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 431c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten /* These values must kept in sync with 441c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten * frameworks/base/media/java/android/media/AudioSystem.java 451c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten */ 46e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_DEFAULT = -1, 471c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten AUDIO_STREAM_MIN = 0, 48e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_VOICE_CALL = 0, 49e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_SYSTEM = 1, 50e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_RING = 2, 51e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_MUSIC = 3, 52e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_ALARM = 4, 53e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_NOTIFICATION = 5, 54e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_BLUETOOTH_SCO = 6, 55e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_ENFORCED_AUDIBLE = 7, /* Sounds that cannot be muted by user and must be routed to speaker */ 56e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_DTMF = 8, 57e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_TTS = 9, 58e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 59e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_CNT, 60e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_STREAM_MAX = AUDIO_STREAM_CNT - 1, 61e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_stream_type_t; 62e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 63e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* Do not change these values without updating their counterparts 641c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten * in frameworks/base/media/java/android/media/MediaRecorder.java, 65c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood * frameworks/av/services/audiopolicy/AudioPolicyService.cpp, 661c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten * and system/media/audio_effects/include/audio_effects/audio_effects_conf.h! 67e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin */ 68e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 69e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_DEFAULT = 0, 70e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_MIC = 1, 71e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_VOICE_UPLINK = 2, 72e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_VOICE_DOWNLINK = 3, 73e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_VOICE_CALL = 4, 74e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_CAMCORDER = 5, 75e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_VOICE_RECOGNITION = 6, 76e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_VOICE_COMMUNICATION = 7, 77e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi AUDIO_SOURCE_REMOTE_SUBMIX = 8, /* Source for the mix to be presented remotely. */ 78e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi /* An example of remote presentation is Wifi Display */ 79e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi /* where a dongle attached to a TV can be used to */ 80e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi /* play the mix captured by this audio source. */ 81e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_CNT, 82e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SOURCE_MAX = AUDIO_SOURCE_CNT - 1, 8304c12ca061cd4ffe79a8eb5d570c4830a0950c85Eric Laurent AUDIO_SOURCE_HOTWORD = 1999, /* A low-priority, preemptible audio source for 8404c12ca061cd4ffe79a8eb5d570c4830a0950c85Eric Laurent for background software hotword detection. 8504c12ca061cd4ffe79a8eb5d570c4830a0950c85Eric Laurent Same tuning as AUDIO_SOURCE_VOICE_RECOGNITION. 8604c12ca061cd4ffe79a8eb5d570c4830a0950c85Eric Laurent Used only internally to the framework. Not exposed 8704c12ca061cd4ffe79a8eb5d570c4830a0950c85Eric Laurent at the audio HAL. */ 88e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_source_t; 89e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 90e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* special audio session values 91e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * (XXX: should this be living in the audio effects land?) 92e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin */ 93e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 94e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin /* session for effects attached to a particular output stream 95e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * (value must be less than 0) 96e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin */ 97e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SESSION_OUTPUT_STAGE = -1, 98e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 99e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin /* session for effects applied to output mix. These effects can 100e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * be moved by audio policy manager to another output stream 101e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * (value must be 0) 102e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin */ 103e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_SESSION_OUTPUT_MIX = 0, 104b4f2b4eac4b9ae3d8c7804c5902343c4235f81adGlenn Kasten 105b4f2b4eac4b9ae3d8c7804c5902343c4235f81adGlenn Kasten /* application does not specify an explicit session ID to be used, 106b4f2b4eac4b9ae3d8c7804c5902343c4235f81adGlenn Kasten * and requests a new session ID to be allocated 107b4f2b4eac4b9ae3d8c7804c5902343c4235f81adGlenn Kasten * TODO use unique values for AUDIO_SESSION_OUTPUT_MIX and AUDIO_SESSION_ALLOCATE, 108b4f2b4eac4b9ae3d8c7804c5902343c4235f81adGlenn Kasten * after all uses have been updated from 0 to the appropriate symbol, and have been tested. 109b4f2b4eac4b9ae3d8c7804c5902343c4235f81adGlenn Kasten */ 110b4f2b4eac4b9ae3d8c7804c5902343c4235f81adGlenn Kasten AUDIO_SESSION_ALLOCATE = 0, 111e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_session_t; 112e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 113e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* Audio sub formats (see enum audio_format). */ 114e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 115e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* PCM sub formats */ 116e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 117c0a51093a2604b27f7d78f88eecaea15ac744f2eGlenn Kasten /* All of these are in native byte order */ 1189714b27bb41d999cb61b22833d3f253552b3c82bEric Laurent AUDIO_FORMAT_PCM_SUB_16_BIT = 0x1, /* DO NOT CHANGE - PCM signed 16 bits */ 1199714b27bb41d999cb61b22833d3f253552b3c82bEric Laurent AUDIO_FORMAT_PCM_SUB_8_BIT = 0x2, /* DO NOT CHANGE - PCM unsigned 8 bits */ 1209714b27bb41d999cb61b22833d3f253552b3c82bEric Laurent AUDIO_FORMAT_PCM_SUB_32_BIT = 0x3, /* PCM signed .31 fixed point */ 1219714b27bb41d999cb61b22833d3f253552b3c82bEric Laurent AUDIO_FORMAT_PCM_SUB_8_24_BIT = 0x4, /* PCM signed 7.24 fixed point */ 1221c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten AUDIO_FORMAT_PCM_SUB_FLOAT = 0x5, /* PCM single-precision floating point */ 123c0a51093a2604b27f7d78f88eecaea15ac744f2eGlenn Kasten AUDIO_FORMAT_PCM_SUB_24_BIT_PACKED = 0x6, /* PCM signed .23 fixed point packed in 3 bytes */ 124e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_format_pcm_sub_fmt_t; 125e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 1261c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten/* The audio_format_*_sub_fmt_t declarations are not currently used */ 1271c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten 128e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* MP3 sub format field definition : can use 11 LSBs in the same way as MP3 129e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * frame header to specify bit rate, stereo mode, version... 130e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin */ 131e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 132e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_MP3_SUB_NONE = 0x0, 133e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_format_mp3_sub_fmt_t; 134e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 135e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* AMR NB/WB sub format field definition: specify frame block interleaving, 136e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * bandwidth efficient or octet aligned, encoding mode for recording... 137e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin */ 138e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 139e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_AMR_SUB_NONE = 0x0, 140e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_format_amr_sub_fmt_t; 141e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 142e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* AAC sub format field definition: specify profile or bitrate for recording... */ 143e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 144e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_AAC_SUB_NONE = 0x0, 145e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_format_aac_sub_fmt_t; 146e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 147e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin/* VORBIS sub format field definition: specify quality for recording... */ 148e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 149e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_VORBIS_SUB_NONE = 0x0, 150e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_format_vorbis_sub_fmt_t; 151e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 1521c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten/* Audio format consists of a main format field (upper 8 bits) and a sub format 153e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * field (lower 24 bits). 154e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * 155e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * The main format indicates the main codec type. The sub format field 156e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * indicates options and parameters for each format. The sub format is mainly 157e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * used for record to indicate for instance the requested bitrate or profile. 158e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * It can also be used for certain formats to give informations not present in 159e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin * the encoded audio stream (e.g. octet alignement for AMR). 160e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin */ 161e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 162e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_INVALID = 0xFFFFFFFFUL, 163e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_DEFAULT = 0, 164e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_PCM = 0x00000000UL, /* DO NOT CHANGE */ 165e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_MP3 = 0x01000000UL, 166e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_AMR_NB = 0x02000000UL, 167e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_AMR_WB = 0x03000000UL, 168e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_AAC = 0x04000000UL, 169e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_HE_AAC_V1 = 0x05000000UL, 170e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_HE_AAC_V2 = 0x06000000UL, 171e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_VORBIS = 0x07000000UL, 17276edb1c0e644fe9f0b9f93939647a34123a60063Vignesh Venkatasubramanian AUDIO_FORMAT_OPUS = 0x08000000UL, 173e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_MAIN_MASK = 0xFF000000UL, 174e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_SUB_MASK = 0x00FFFFFFUL, 175e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 176e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin /* Aliases */ 1771c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten /* note != AudioFormat.ENCODING_PCM_16BIT */ 178e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_PCM_16_BIT = (AUDIO_FORMAT_PCM | 179e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_PCM_SUB_16_BIT), 1801c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten /* note != AudioFormat.ENCODING_PCM_8BIT */ 181e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_PCM_8_BIT = (AUDIO_FORMAT_PCM | 182e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_FORMAT_PCM_SUB_8_BIT), 1839714b27bb41d999cb61b22833d3f253552b3c82bEric Laurent AUDIO_FORMAT_PCM_32_BIT = (AUDIO_FORMAT_PCM | 1849714b27bb41d999cb61b22833d3f253552b3c82bEric Laurent AUDIO_FORMAT_PCM_SUB_32_BIT), 1859714b27bb41d999cb61b22833d3f253552b3c82bEric Laurent AUDIO_FORMAT_PCM_8_24_BIT = (AUDIO_FORMAT_PCM | 1869714b27bb41d999cb61b22833d3f253552b3c82bEric Laurent AUDIO_FORMAT_PCM_SUB_8_24_BIT), 1871c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten AUDIO_FORMAT_PCM_FLOAT = (AUDIO_FORMAT_PCM | 1881c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten AUDIO_FORMAT_PCM_SUB_FLOAT), 189c0a51093a2604b27f7d78f88eecaea15ac744f2eGlenn Kasten AUDIO_FORMAT_PCM_24_BIT_PACKED = (AUDIO_FORMAT_PCM | 190c0a51093a2604b27f7d78f88eecaea15ac744f2eGlenn Kasten AUDIO_FORMAT_PCM_SUB_24_BIT_PACKED), 191e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_format_t; 192e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 19316a7a0443a59c636ab20a3161ec630d037766eccGlenn Kastenenum { 1944cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_CHANNEL_NONE = 0x0, 195e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin /* output channels */ 1966d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_FRONT_LEFT = 0x1, 1976d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_FRONT_RIGHT = 0x2, 1986d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_FRONT_CENTER = 0x4, 1996d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_LOW_FREQUENCY = 0x8, 2006d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_BACK_LEFT = 0x10, 2016d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_BACK_RIGHT = 0x20, 2026d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 0x40, 2036d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x80, 2046d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_BACK_CENTER = 0x100, 2056d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_SIDE_LEFT = 0x200, 2066d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_SIDE_RIGHT = 0x400, 2076d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_CENTER = 0x800, 2086d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT = 0x1000, 2096d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER = 0x2000, 2106d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT = 0x4000, 2116d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_BACK_LEFT = 0x8000, 2126d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_BACK_CENTER = 0x10000, 2136d4f39754bff9c1dcb8023839ea583b6d0723b14Jean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT = 0x20000, 214e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 215e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_MONO = AUDIO_CHANNEL_OUT_FRONT_LEFT, 216e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_STEREO = (AUDIO_CHANNEL_OUT_FRONT_LEFT | 217e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_RIGHT), 218e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_QUAD = (AUDIO_CHANNEL_OUT_FRONT_LEFT | 219e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_RIGHT | 220e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_BACK_LEFT | 221e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_BACK_RIGHT), 222b8d59396dfb3b9135bb6dc869aa723ca618bd95dGlenn Kasten AUDIO_CHANNEL_OUT_QUAD_BACK = AUDIO_CHANNEL_OUT_QUAD, 223ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten /* like AUDIO_CHANNEL_OUT_QUAD_BACK with *_SIDE_* instead of *_BACK_* */ 224ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_QUAD_SIDE = (AUDIO_CHANNEL_OUT_FRONT_LEFT | 225ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_FRONT_RIGHT | 226ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_SIDE_LEFT | 227ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_SIDE_RIGHT), 228e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_5POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT | 229e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_RIGHT | 230e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_CENTER | 231e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_LOW_FREQUENCY | 232e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_BACK_LEFT | 233e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_BACK_RIGHT), 234b8d59396dfb3b9135bb6dc869aa723ca618bd95dGlenn Kasten AUDIO_CHANNEL_OUT_5POINT1_BACK = AUDIO_CHANNEL_OUT_5POINT1, 235ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten /* like AUDIO_CHANNEL_OUT_5POINT1_BACK with *_SIDE_* instead of *_BACK_* */ 236ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_5POINT1_SIDE = (AUDIO_CHANNEL_OUT_FRONT_LEFT | 237ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_FRONT_RIGHT | 238ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_FRONT_CENTER | 239ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_LOW_FREQUENCY | 240ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_SIDE_LEFT | 241ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten AUDIO_CHANNEL_OUT_SIDE_RIGHT), 24233fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi // matches the correct AudioFormat.CHANNEL_OUT_7POINT1_SURROUND definition for 7.1 243e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_7POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT | 244e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_RIGHT | 245e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_CENTER | 246e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_LOW_FREQUENCY | 247e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_BACK_LEFT | 248e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_BACK_RIGHT | 24933fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_SIDE_LEFT | 25033fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_SIDE_RIGHT), 251e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_ALL = (AUDIO_CHANNEL_OUT_FRONT_LEFT | 252e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_RIGHT | 253e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_CENTER | 254e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_LOW_FREQUENCY | 255e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_BACK_LEFT | 256e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_BACK_RIGHT | 257e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER | 258e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER | 25933fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_BACK_CENTER| 26033fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_SIDE_LEFT| 26133fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_SIDE_RIGHT| 26233fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_CENTER| 26333fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_FRONT_LEFT| 26433fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_FRONT_CENTER| 26533fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_FRONT_RIGHT| 26633fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_BACK_LEFT| 26733fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_BACK_CENTER| 26833fad99acfaffb775ce0792b06ba97bb6cacce1aJean-Michel Trivi AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT), 269e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 270e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin /* input channels */ 271e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_LEFT = 0x4, 272e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_RIGHT = 0x8, 273e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_FRONT = 0x10, 274e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_BACK = 0x20, 275e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_LEFT_PROCESSED = 0x40, 276e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_RIGHT_PROCESSED = 0x80, 277e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_FRONT_PROCESSED = 0x100, 278e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_BACK_PROCESSED = 0x200, 279e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_PRESSURE = 0x400, 280e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_X_AXIS = 0x800, 281e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_Y_AXIS = 0x1000, 282e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_Z_AXIS = 0x2000, 283e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_VOICE_UPLINK = 0x4000, 284e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_VOICE_DNLINK = 0x8000, 285e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 286e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_MONO = AUDIO_CHANNEL_IN_FRONT, 287e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_STEREO = (AUDIO_CHANNEL_IN_LEFT | AUDIO_CHANNEL_IN_RIGHT), 2886c70ceeefe4cd2838b5788f6db8eb35751a5ce21Eric Laurent AUDIO_CHANNEL_IN_FRONT_BACK = (AUDIO_CHANNEL_IN_FRONT | AUDIO_CHANNEL_IN_BACK), 289e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_ALL = (AUDIO_CHANNEL_IN_LEFT | 290e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_RIGHT | 291e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_FRONT | 292e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_BACK| 293e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_LEFT_PROCESSED | 294e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_RIGHT_PROCESSED | 295e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_FRONT_PROCESSED | 296e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_BACK_PROCESSED| 297e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_PRESSURE | 298e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_X_AXIS | 299e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_Y_AXIS | 300e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_Z_AXIS | 301e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_VOICE_UPLINK | 302e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_CHANNEL_IN_VOICE_DNLINK), 3034ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi}; 3044ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi 305ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten/* A channel mask per se only defines the presence or absence of a channel, not the order. 306ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten * But see AUDIO_INTERLEAVE_* below for the platform convention of order. 307ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten */ 3084ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivitypedef uint32_t audio_channel_mask_t; 309e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 3101c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten/* Expresses the convention when stereo audio samples are stored interleaved 3111c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten * in an array. This should improve readability by allowing code to use 3121c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten * symbolic indices instead of hard-coded [0] and [1]. 313ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten * 314ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten * For multi-channel beyond stereo, the platform convention is that channels 315ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten * are interleaved in order from least significant channel mask bit 316ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten * to most significant channel mask bit, with unused bits skipped. 317ee7c17b7fc816393afcc7e8dbe751c55a512495bGlenn Kasten * Any exceptions to this convention will be noted at the appropriate API. 3181c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten */ 3191c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kastenenum { 3201c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten AUDIO_INTERLEAVE_LEFT = 0, 3211c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten AUDIO_INTERLEAVE_RIGHT = 1, 3221c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten}; 3231c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten 324e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 325e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_MODE_INVALID = -2, 326e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_MODE_CURRENT = -1, 327e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_MODE_NORMAL = 0, 328e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_MODE_RINGTONE = 1, 329e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_MODE_IN_CALL = 2, 330e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_MODE_IN_COMMUNICATION = 3, 331e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 332e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_MODE_CNT, 333e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_MODE_MAX = AUDIO_MODE_CNT - 1, 334e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_mode_t; 335e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 3361c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten/* This enum is deprecated */ 337e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavintypedef enum { 3381c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten AUDIO_IN_ACOUSTICS_NONE = 0, 339e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_IN_ACOUSTICS_AGC_ENABLE = 0x0001, 340e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_IN_ACOUSTICS_AGC_DISABLE = 0, 341e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_IN_ACOUSTICS_NS_ENABLE = 0x0002, 342e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_IN_ACOUSTICS_NS_DISABLE = 0, 343e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_IN_ACOUSTICS_TX_IIR_ENABLE = 0x0004, 344e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_IN_ACOUSTICS_TX_DISABLE = 0, 345e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} audio_in_acoustics_t; 346e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 34716a7a0443a59c636ab20a3161ec630d037766eccGlenn Kastenenum { 348eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_NONE = 0x0, 349eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent /* reserved bits */ 350eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_BIT_IN = 0x80000000, 351eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_BIT_DEFAULT = 0x40000000, 352e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin /* output devices */ 353e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_EARPIECE = 0x1, 354e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_SPEAKER = 0x2, 355e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_WIRED_HEADSET = 0x4, 356e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_WIRED_HEADPHONE = 0x8, 357e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_SCO = 0x10, 358e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20, 359e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40, 360e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_A2DP = 0x80, 361e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100, 362e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200, 363e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_AUX_DIGITAL = 0x400, 364abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_HDMI = AUDIO_DEVICE_OUT_AUX_DIGITAL, 3651c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten /* uses an analog connection (multiplexed over the USB connector pins for instance) */ 366e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800, 367e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000, 3681c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten /* USB accessory mode: your Android device is a USB device and the dock is a USB host */ 36979f90bdc7de561aa31888948c0661568ccc33da1Eric Laurent AUDIO_DEVICE_OUT_USB_ACCESSORY = 0x2000, 3701c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten /* USB host mode: your Android device is a USB host and the dock is a USB device */ 37179f90bdc7de561aa31888948c0661568ccc33da1Eric Laurent AUDIO_DEVICE_OUT_USB_DEVICE = 0x4000, 372eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_OUT_REMOTE_SUBMIX = 0x8000, 373abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* Telephony voice TX path */ 374abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_TELEPHONY_TX = 0x10000, 375abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* Analog jack with line impedance detected */ 376abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_LINE = 0x20000, 377abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* HDMI Audio Return Channel */ 378abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_HDMI_ARC = 0x40000, 379abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* S/PDIF out */ 380abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_SPDIF = 0x80000, 381abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* FM transmitter out */ 382abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_FM = 0x100000, 383eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_OUT_DEFAULT = AUDIO_DEVICE_BIT_DEFAULT, 384e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_ALL = (AUDIO_DEVICE_OUT_EARPIECE | 385e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_SPEAKER | 386e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_WIRED_HEADSET | 387e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_WIRED_HEADPHONE | 388e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_SCO | 389e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET | 390e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT | 391e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_A2DP | 392e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | 393e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER | 394abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_HDMI | 395e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET | 396e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET | 39779f90bdc7de561aa31888948c0661568ccc33da1Eric Laurent AUDIO_DEVICE_OUT_USB_ACCESSORY | 39879f90bdc7de561aa31888948c0661568ccc33da1Eric Laurent AUDIO_DEVICE_OUT_USB_DEVICE | 399eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_OUT_REMOTE_SUBMIX | 400abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_TELEPHONY_TX | 401abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_LINE | 402abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_HDMI_ARC | 403abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_SPDIF | 404abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_OUT_FM | 405e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_DEFAULT), 406e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_ALL_A2DP = (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP | 407e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | 408e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER), 409e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_ALL_SCO = (AUDIO_DEVICE_OUT_BLUETOOTH_SCO | 410e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET | 411e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT), 41279f90bdc7de561aa31888948c0661568ccc33da1Eric Laurent AUDIO_DEVICE_OUT_ALL_USB = (AUDIO_DEVICE_OUT_USB_ACCESSORY | 41379f90bdc7de561aa31888948c0661568ccc33da1Eric Laurent AUDIO_DEVICE_OUT_USB_DEVICE), 414e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 415e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin /* input devices */ 416eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_COMMUNICATION = AUDIO_DEVICE_BIT_IN | 0x1, 417eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_AMBIENT = AUDIO_DEVICE_BIT_IN | 0x2, 418eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_BUILTIN_MIC = AUDIO_DEVICE_BIT_IN | 0x4, 419eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = AUDIO_DEVICE_BIT_IN | 0x8, 420eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_WIRED_HEADSET = AUDIO_DEVICE_BIT_IN | 0x10, 421eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_AUX_DIGITAL = AUDIO_DEVICE_BIT_IN | 0x20, 422abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_HDMI = AUDIO_DEVICE_IN_AUX_DIGITAL, 423abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* Telephony voice RX path */ 424eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_VOICE_CALL = AUDIO_DEVICE_BIT_IN | 0x40, 425abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_TELEPHONY_RX = AUDIO_DEVICE_IN_VOICE_CALL, 426eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_BACK_MIC = AUDIO_DEVICE_BIT_IN | 0x80, 427eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_REMOTE_SUBMIX = AUDIO_DEVICE_BIT_IN | 0x100, 428eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET = AUDIO_DEVICE_BIT_IN | 0x200, 429eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET = AUDIO_DEVICE_BIT_IN | 0x400, 430eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_USB_ACCESSORY = AUDIO_DEVICE_BIT_IN | 0x800, 431eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_USB_DEVICE = AUDIO_DEVICE_BIT_IN | 0x1000, 432abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* FM tuner input */ 433abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_FM_TUNER = AUDIO_DEVICE_BIT_IN | 0x2000, 434abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* TV tuner input */ 435abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_TV_TUNER = AUDIO_DEVICE_BIT_IN | 0x4000, 436abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* Analog jack with line impedance detected */ 437abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_LINE = AUDIO_DEVICE_BIT_IN | 0x8000, 438abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent /* S/PDIF in */ 439abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_SPDIF = AUDIO_DEVICE_BIT_IN | 0x10000, 440c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood AUDIO_DEVICE_IN_BLUETOOTH_A2DP = AUDIO_DEVICE_BIT_IN | 0x20000, 441eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_DEFAULT = AUDIO_DEVICE_BIT_IN | AUDIO_DEVICE_BIT_DEFAULT, 442e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 443e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_IN_ALL = (AUDIO_DEVICE_IN_COMMUNICATION | 444e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_IN_AMBIENT | 445e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_IN_BUILTIN_MIC | 446e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET | 447e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_IN_WIRED_HEADSET | 448abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_HDMI | 449abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_TELEPHONY_RX | 450e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_IN_BACK_MIC | 451eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_REMOTE_SUBMIX | 452eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET | 453eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET | 454eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_USB_ACCESSORY | 455eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent AUDIO_DEVICE_IN_USB_DEVICE | 456abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_FM_TUNER | 457abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_TV_TUNER | 458abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_LINE | 459abcb99927d9ad3f66288a5ce16d7c86c14b49249Eric Laurent AUDIO_DEVICE_IN_SPDIF | 460c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood AUDIO_DEVICE_IN_BLUETOOTH_A2DP | 461e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_IN_DEFAULT), 462e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin AUDIO_DEVICE_IN_ALL_SCO = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET, 46300b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean AUDIO_DEVICE_IN_ALL_USB = (AUDIO_DEVICE_IN_USB_ACCESSORY | 46400b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean AUDIO_DEVICE_IN_USB_DEVICE), 46516a7a0443a59c636ab20a3161ec630d037766eccGlenn Kasten}; 46616a7a0443a59c636ab20a3161ec630d037766eccGlenn Kasten 46716a7a0443a59c636ab20a3161ec630d037766eccGlenn Kastentypedef uint32_t audio_devices_t; 468e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 469545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent/* the audio output flags serve two purposes: 470545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent * - when an AudioTrack is created they indicate a "wish" to be connected to an 471545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent * output stream with attributes corresponding to the specified flags 472545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent * - when present in an output profile descriptor listed for a particular audio 473545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent * hardware module, they indicate that an output stream can be opened that 474545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent * supports the attributes indicated by the flags. 475545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent * the audio policy manager will try to match the flags in the request 476545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent * (when getOuput() is called) to an available output stream. 477545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent */ 478545ab46063f083239b29e59b8b491656d93f2a38Eric Laurenttypedef enum { 4799aec362e76a60725df1a444214f222297caf46a2Eric Laurent AUDIO_OUTPUT_FLAG_NONE = 0x0, // no attributes 4809aec362e76a60725df1a444214f222297caf46a2Eric Laurent AUDIO_OUTPUT_FLAG_DIRECT = 0x1, // this output directly connects a track 4819aec362e76a60725df1a444214f222297caf46a2Eric Laurent // to one output stream: no software mixer 4829aec362e76a60725df1a444214f222297caf46a2Eric Laurent AUDIO_OUTPUT_FLAG_PRIMARY = 0x2, // this output is the primary output of 4839aec362e76a60725df1a444214f222297caf46a2Eric Laurent // the device. It is unique and must be 4849aec362e76a60725df1a444214f222297caf46a2Eric Laurent // present. It is opened by default and 4859aec362e76a60725df1a444214f222297caf46a2Eric Laurent // receives routing, audio mode and volume 4869aec362e76a60725df1a444214f222297caf46a2Eric Laurent // controls related to voice calls. 4879aec362e76a60725df1a444214f222297caf46a2Eric Laurent AUDIO_OUTPUT_FLAG_FAST = 0x4, // output supports "fast tracks", 4889aec362e76a60725df1a444214f222297caf46a2Eric Laurent // defined elsewhere 48905529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald AUDIO_OUTPUT_FLAG_DEEP_BUFFER = 0x8, // use deep audio buffers 49005529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD = 0x10, // offload playback of compressed 49105529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald // streams to hardware codec 49205529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald AUDIO_OUTPUT_FLAG_NON_BLOCKING = 0x20 // use non-blocking write 493545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent} audio_output_flags_t; 494545ab46063f083239b29e59b8b491656d93f2a38Eric Laurent 495c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kasten/* The audio input flags are analogous to audio output flags. 496c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kasten * Currently they are used only when an AudioRecord is created, 497c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kasten * to indicate a preference to be connected to an input stream with 498c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kasten * attributes corresponding to the specified flags. 499c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kasten */ 500c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kastentypedef enum { 501c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kasten AUDIO_INPUT_FLAG_NONE = 0x0, // no attributes 502c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kasten AUDIO_INPUT_FLAG_FAST = 0x1, // prefer an input that supports "fast tracks" 503c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kasten} audio_input_flags_t; 504c051ffd7c24bbe989c9e39c793c6bbbac3ee3effGlenn Kasten 50505529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald/* Additional information about compressed streams offloaded to 50605529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald * hardware playback 50705529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald * The version and size fields must be initialized by the caller by using 50805529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald * one of the constants defined here. 50905529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald */ 51005529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgeraldtypedef struct { 51105529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald uint16_t version; // version of the info structure 51205529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald uint16_t size; // total size of the structure including version and size 51305529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald uint32_t sample_rate; // sample rate in Hz 51405529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald audio_channel_mask_t channel_mask; // channel mask 51505529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald audio_format_t format; // audio format 51605529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald audio_stream_type_t stream_type; // stream type 51705529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald uint32_t bit_rate; // bit rate in bits per second 51805529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald int64_t duration_us; // duration in microseconds, -1 if unknown 51905529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald bool has_video; // true if stream is tied to a video stream 52005529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald bool is_streaming; // true if streaming, false if local playback 52105529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald} audio_offload_info_t; 52205529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald 52305529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald#define AUDIO_MAKE_OFFLOAD_INFO_VERSION(maj,min) \ 52405529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald ((((maj) & 0xff) << 8) | ((min) & 0xff)) 52505529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald 52605529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald#define AUDIO_OFFLOAD_INFO_VERSION_0_1 AUDIO_MAKE_OFFLOAD_INFO_VERSION(0, 1) 52705529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald#define AUDIO_OFFLOAD_INFO_VERSION_CURRENT AUDIO_OFFLOAD_INFO_VERSION_0_1 52805529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald 52905529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgeraldstatic const audio_offload_info_t AUDIO_INFO_INITIALIZER = { 53005529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald version: AUDIO_OFFLOAD_INFO_VERSION_CURRENT, 53105529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald size: sizeof(audio_offload_info_t), 5324887842c925f304dc862bdd5810f27cdd2eaedcbMark Salyzyn sample_rate: 0, 5334887842c925f304dc862bdd5810f27cdd2eaedcbMark Salyzyn channel_mask: 0, 5344887842c925f304dc862bdd5810f27cdd2eaedcbMark Salyzyn format: AUDIO_FORMAT_DEFAULT, 5354887842c925f304dc862bdd5810f27cdd2eaedcbMark Salyzyn stream_type: AUDIO_STREAM_VOICE_CALL, 5364887842c925f304dc862bdd5810f27cdd2eaedcbMark Salyzyn bit_rate: 0, 5374887842c925f304dc862bdd5810f27cdd2eaedcbMark Salyzyn duration_us: 0, 5384887842c925f304dc862bdd5810f27cdd2eaedcbMark Salyzyn has_video: false, 5394887842c925f304dc862bdd5810f27cdd2eaedcbMark Salyzyn is_streaming: false 54005529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald}; 54105529a1a10711d93745a9fcf07520f65a3eb4f3dRichard Fitzgerald 5424cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5434cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* audio hw module handle functions or structures referencing a module */ 5444cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurenttypedef int audio_module_handle_t; 5454cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5464cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/****************************** 5474cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * Volume control 5484cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent *****************************/ 5494cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5504cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* If the audio hardware supports gain control on some audio paths, 5514cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * the platform can expose them in the audio_policy.conf file. The audio HAL 5524cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * will then implement gain control functions that will use the following data 5534cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * structures. */ 5544cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5554cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* Type of gain control exposed by an audio port */ 5564cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_GAIN_MODE_JOINT 0x1 /* supports joint channel gain control */ 5574cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_GAIN_MODE_CHANNELS 0x2 /* supports separate channel gain control */ 5584cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_GAIN_MODE_RAMP 0x4 /* supports gain ramps */ 5594cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5604cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurenttypedef uint32_t audio_gain_mode_t; 5614cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5624cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5634cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* An audio_gain struct is a representation of a gain stage. 5644cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * A gain stage is always attached to an audio port. */ 5654cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_gain { 5664cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_gain_mode_t mode; /* e.g. AUDIO_GAIN_MODE_JOINT */ 5674cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_channel_mask_t channel_mask; /* channels which gain an be controlled. 5684cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent N/A if AUDIO_GAIN_MODE_CHANNELS is not supported */ 5694cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent int min_value; /* minimum gain value in millibels */ 5704cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent int max_value; /* maximum gain value in millibels */ 5714cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent int default_value; /* default gain value in millibels */ 5724cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int step_value; /* gain step in millibels */ 5734cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int min_ramp_ms; /* minimum ramp duration in ms */ 5744cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int max_ramp_ms; /* maximum ramp duration in ms */ 5754cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 5764cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5774cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* The gain configuration structure is used to get or set the gain values of a 5784cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * given port */ 5794cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_gain_config { 5804cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent int index; /* index of the corresponding audio_gain in the 5814cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_port gains[] table */ 5824cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_gain_mode_t mode; /* mode requested for this command */ 5834cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_channel_mask_t channel_mask; /* channels which gain value follows. 5844cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent N/A in joint mode */ 5854cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent int values[sizeof(audio_channel_mask_t)]; /* gain values in millibels for each 5864cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent channel ordered from LSb to MSb in channel mask. 5874cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent The number of values is 1 in joint mode or 5884cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent popcount(channel_mask) */ 5894cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int ramp_duration_ms; /* ramp duration in ms */ 5904cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 5914cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5924cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/****************************** 5934cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * Routing control 5944cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent *****************************/ 5954cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 5964cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* Types defined here are used to describe an audio source or sink at internal 5974cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * framework interfaces (audio policy, patch panel) or at the audio HAL. 5984cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * Sink and sources are grouped in a concept of “audio port” representing an 5994cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * audio end point at the edge of the system managed by the module exposing 6004cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * the interface. */ 6014cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6024cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* Audio port role: either source or sink */ 6034cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurenttypedef enum { 6044cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_ROLE_NONE, 6054cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_ROLE_SOURCE, 6064cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_ROLE_SINK, 6074cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent} audio_port_role_t; 6084cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6094cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* Audio port type indicates if it is a session (e.g AudioTrack), 6104cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * a mix (e.g PlaybackThread output) or a physical device 6114cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * (e.g AUDIO_DEVICE_OUT_SPEAKER) */ 6124cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurenttypedef enum { 6134cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_TYPE_NONE, 6144cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_TYPE_DEVICE, 6154cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_TYPE_MIX, 6164cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_TYPE_SESSION, 6174cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent} audio_port_type_t; 6184cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6194cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* Each port has a unique ID or handle allocated by policy manager */ 6204cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurenttypedef int audio_port_handle_t; 6214cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_HANDLE_NONE 0 6224cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6234cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6244cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* maximum audio device address length */ 6254cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_DEVICE_MAX_ADDRESS_LEN 32 6264cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6274cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* extension for audio port configuration structure when the audio port is a 6284cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * hardware device */ 6294cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_port_config_device_ext { 6304cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_module_handle_t hw_module; /* module the device is attached to */ 6314cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_devices_t type; /* device type (e.g AUDIO_DEVICE_OUT_SPEAKER) */ 6324cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent char address[AUDIO_DEVICE_MAX_ADDRESS_LEN]; /* device address. "" if N/A */ 6334cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 6344cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6354cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* extension for audio port configuration structure when the audio port is a 6364cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * sub mix */ 6374cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_port_config_mix_ext { 6384cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_module_handle_t hw_module; /* module the stream is attached to */ 6394cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_io_handle_t handle; /* I/O handle of the input/output stream */ 6404cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent union { 6414cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent //TODO: change use case for output streams: use strategy and mixer attributes 6424cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_stream_type_t stream; 6434cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_source_t source; 6444cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent } usecase; 6454cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 6464cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6474cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* extension for audio port configuration structure when the audio port is an 6484cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * audio session */ 6494cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_port_config_session_ext { 6504cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_session_t session; /* audio session */ 6514cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 6524cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6534cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* Flags indicating which fields are to be considered in struct audio_port_config */ 6544cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_CONFIG_SAMPLE_RATE 0x1 6554cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_CONFIG_CHANNEL_MASK 0x2 6564cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_CONFIG_FORMAT 0x4 6574cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_CONFIG_GAIN 0x8 6584cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_CONFIG_ALL (AUDIO_PORT_CONFIG_SAMPLE_RATE | \ 6594cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_CONFIG_CHANNEL_MASK | \ 6604cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_CONFIG_FORMAT | \ 6614cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_PORT_CONFIG_GAIN) 6624cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6634cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* audio port configuration structure used to specify a particular configuration of 6644cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * an audio port */ 6654cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_port_config { 6664cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_port_handle_t id; /* port unique ID */ 6674cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_port_role_t role; /* sink or source */ 6684cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_port_type_t type; /* device, mix ... */ 6694cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int config_mask; /* e.g AUDIO_PORT_CONFIG_ALL */ 6704cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int sample_rate; /* sampling rate in Hz */ 6714cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_channel_mask_t channel_mask; /* channel mask if applicable */ 6724cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_format_t format; /* format if applicable */ 6734cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_gain_config gain; /* gain to apply if applicable */ 6744cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent union { 6754cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_port_config_device_ext device; /* device specific info */ 6764cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_port_config_mix_ext mix; /* mix specific info */ 6774cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_port_config_session_ext session; /* session specific info */ 6784cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent } ext; 6794cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 6804cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6814cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6824cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* max number of sampling rates in audio port */ 6834cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_MAX_SAMPLING_RATES 16 6844cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* max number of channel masks in audio port */ 6854cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_MAX_CHANNEL_MASKS 16 6864cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* max number of audio formats in audio port */ 6874cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_MAX_FORMATS 16 6884cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* max number of gain controls in audio port */ 6894cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PORT_MAX_GAINS 16 6904cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6914cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* extension for audio port structure when the audio port is a hardware device */ 6924cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_port_device_ext { 6934cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_module_handle_t hw_module; /* module the device is attached to */ 6944cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_devices_t type; /* device type (e.g AUDIO_DEVICE_OUT_SPEAKER) */ 6954cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent char address[AUDIO_DEVICE_MAX_ADDRESS_LEN]; 6964cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 6974cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 6984cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* Latency class of the audio mix */ 6994cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurenttypedef enum { 7004cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_LATENCY_LOW, 7014cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent AUDIO_LATENCY_NORMAL, 7024cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent} audio_mix_latency_class_t; 7034cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 7044cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* extension for audio port structure when the audio port is a sub mix */ 7054cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_port_mix_ext { 7064cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_module_handle_t hw_module; /* module the stream is attached to */ 7074cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_io_handle_t handle; /* I/O handle of the input.output stream */ 7084cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_mix_latency_class_t latency_class; /* latency class */ 7094cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent // other attributes: routing strategies 7104cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 7114cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 7124cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* extension for audio port structure when the audio port is an audio session */ 7134cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_port_session_ext { 7144cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_session_t session; /* audio session */ 7154cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 7164cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 7174cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 7184cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_port { 7194cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_port_handle_t id; /* port unique ID */ 7204cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_port_role_t role; /* sink or source */ 7214cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_port_type_t type; /* device, mix ... */ 7224cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int num_sample_rates; /* number of sampling rates in following array */ 7234cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int sample_rates[AUDIO_PORT_MAX_SAMPLING_RATES]; 7244cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int num_channel_masks; /* number of channel masks in following array */ 7254cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_channel_mask_t channel_masks[AUDIO_PORT_MAX_CHANNEL_MASKS]; 7264cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int num_formats; /* number of formats in following array */ 7274cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_format_t formats[AUDIO_PORT_MAX_FORMATS]; 7284cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int num_gains; /* number of gains in following array */ 7294cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_gain gains[AUDIO_PORT_MAX_GAINS]; 7304cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_port_config active_config; /* current audio port configuration */ 7314cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent union { 7324cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_port_device_ext device; 7334cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_port_mix_ext mix; 7344cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_port_session_ext session; 7354cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent } ext; 7364cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 7374cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 7384cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent/* An audio patch represents a connection between one or more source ports and 7394cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * one or more sink ports. Patches are connected and disconnected by audio policy manager or by 7404cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * applications via framework APIs. 7414cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * Each patch is identified by a handle at the interface used to create that patch. For instance, 7424cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * when a patch is created by the audio HAL, the HAL allocates and returns a handle. 7434cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * This handle is unique to a given audio HAL hardware module. 7444cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * But the same patch receives another system wide unique handle allocated by the framework. 7454cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent * This unique handle is used for all transactions inside the framework. 7464cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent */ 7474cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurenttypedef int audio_patch_handle_t; 7484cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PATCH_HANDLE_NONE 0 7494cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 7504cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent#define AUDIO_PATCH_PORTS_MAX 16 7514cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 7524cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurentstruct audio_patch { 7534cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent audio_patch_handle_t id; /* patch unique ID */ 7544cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int num_sources; /* number of sources in following array */ 7554cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_port_config sources[AUDIO_PATCH_PORTS_MAX]; 7564cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent unsigned int num_sinks; /* number of sinks in following array */ 7574cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent struct audio_port_config sinks[AUDIO_PATCH_PORTS_MAX]; 7584cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent}; 7594cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 7604cd050121fd22c0f7277a988d548d0e8f327a760Eric Laurent 761e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavinstatic inline bool audio_is_output_device(audio_devices_t device) 762e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin{ 763eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent if (((device & AUDIO_DEVICE_BIT_IN) == 0) && 764eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent (popcount(device) == 1) && ((device & ~AUDIO_DEVICE_OUT_ALL) == 0)) 765e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin return true; 766e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin else 767e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin return false; 768e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} 769e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 770e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavinstatic inline bool audio_is_input_device(audio_devices_t device) 771e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin{ 772eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent if ((device & AUDIO_DEVICE_BIT_IN) != 0) { 773eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent device &= ~AUDIO_DEVICE_BIT_IN; 774eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_IN_ALL) == 0)) 775eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent return true; 776eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent } 777eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent return false; 778e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} 779e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 780eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurentstatic inline bool audio_is_output_devices(audio_devices_t device) 781eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent{ 782eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent return (device & AUDIO_DEVICE_BIT_IN) == 0; 783eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent} 784eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent 785c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwoodstatic inline bool audio_is_a2dp_in_device(audio_devices_t device) 786c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood{ 787c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood if ((device & AUDIO_DEVICE_BIT_IN) != 0) { 788c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood device &= ~AUDIO_DEVICE_BIT_IN; 789c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood if ((popcount(device) == 1) && (device & AUDIO_DEVICE_IN_BLUETOOTH_A2DP)) 790c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood return true; 791c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood } 792c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood return false; 793c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood} 794eeeee802e9837c592b0f0f9fd183bcaa9e77732eEric Laurent 795c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwoodstatic inline bool audio_is_a2dp_out_device(audio_devices_t device) 796e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin{ 797e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_A2DP)) 798e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin return true; 799e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin else 800e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin return false; 801e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} 802e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 803c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood// Deprecated - use audio_is_a2dp_out_device() instead 804c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwoodstatic inline bool audio_is_a2dp_device(audio_devices_t device) 805c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood{ 806c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood return audio_is_a2dp_out_device(device); 807c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood} 808c8183af4b3a3515f8f0cff27b2808a7139f18230Mike Lockwood 809e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavinstatic inline bool audio_is_bluetooth_sco_device(audio_devices_t device) 810e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin{ 811b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent if ((device & AUDIO_DEVICE_BIT_IN) == 0) { 812b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_OUT_ALL_SCO) == 0)) 813b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent return true; 814b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent } else { 815b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent device &= ~AUDIO_DEVICE_BIT_IN; 816b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) == 0)) 817b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent return true; 818b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent } 819b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent 820b526630ab843f9a405be23618d5808d8e65755f3Eric Laurent return false; 821e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} 822e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 82300b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLeanstatic inline bool audio_is_usb_out_device(audio_devices_t device) 82400b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean{ 82500b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean return ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_USB)); 82600b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean} 82700b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean 82800b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLeanstatic inline bool audio_is_usb_in_device(audio_devices_t device) 82900b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean{ 83000b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean if ((device & AUDIO_DEVICE_BIT_IN) != 0) { 83100b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean device &= ~AUDIO_DEVICE_BIT_IN; 83200b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean if (popcount(device) == 1 && (device & AUDIO_DEVICE_IN_ALL_USB) != 0) 83300b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean return true; 83400b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean } 83500b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean return false; 83600b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean} 83700b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean 83800b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean/* OBSOLETE - use audio_is_usb_out_device() instead. */ 83979f90bdc7de561aa31888948c0661568ccc33da1Eric Laurentstatic inline bool audio_is_usb_device(audio_devices_t device) 84079f90bdc7de561aa31888948c0661568ccc33da1Eric Laurent{ 84100b8972062fb32dd02bcac7821a6612ce27ebd86Paul McLean return audio_is_usb_out_device(device); 84279f90bdc7de561aa31888948c0661568ccc33da1Eric Laurent} 84379f90bdc7de561aa31888948c0661568ccc33da1Eric Laurent 844e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivistatic inline bool audio_is_remote_submix_device(audio_devices_t device) 845e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi{ 8468ecc7afca42d0bb27aad25733790309f71f307d6Jeff Brown if ((device & AUDIO_DEVICE_OUT_REMOTE_SUBMIX) == AUDIO_DEVICE_OUT_REMOTE_SUBMIX 8478ecc7afca42d0bb27aad25733790309f71f307d6Jeff Brown || (device & AUDIO_DEVICE_IN_REMOTE_SUBMIX) == AUDIO_DEVICE_IN_REMOTE_SUBMIX) 848e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi return true; 849e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi else 850e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi return false; 851e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi} 852e11866a8799a2357b82c9217c8d6b726726f23feJean-Michel Trivi 853f7326dc0aa2da2df6bf1fa1ae7ef259a0ebdbd7bGlenn Kastenstatic inline bool audio_is_input_channel(audio_channel_mask_t channel) 854e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin{ 855e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin if ((channel & ~AUDIO_CHANNEL_IN_ALL) == 0) 856f7326dc0aa2da2df6bf1fa1ae7ef259a0ebdbd7bGlenn Kasten return channel != 0; 857e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin else 858e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin return false; 859e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} 860e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 861f7326dc0aa2da2df6bf1fa1ae7ef259a0ebdbd7bGlenn Kastenstatic inline bool audio_is_output_channel(audio_channel_mask_t channel) 862e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin{ 863e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin if ((channel & ~AUDIO_CHANNEL_OUT_ALL) == 0) 864f7326dc0aa2da2df6bf1fa1ae7ef259a0ebdbd7bGlenn Kasten return channel != 0; 865e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin else 866e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin return false; 867e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} 868e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 869a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung/* Returns the number of channels from an input channel mask, 870a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung * used in the context of audio input or recording. 871a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung */ 872a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hungstatic inline uint32_t audio_channel_count_from_in_mask(audio_channel_mask_t channel) 873a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung{ 874a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung return popcount(channel & AUDIO_CHANNEL_IN_ALL); 875a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung} 876a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung 877a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung/* Returns the number of channels from an output channel mask, 878a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung * used in the context of audio output or playback. 879a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung */ 880a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hungstatic inline uint32_t audio_channel_count_from_out_mask(audio_channel_mask_t channel) 881a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung{ 882a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung return popcount(channel & AUDIO_CHANNEL_OUT_ALL); 883a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung} 884a7e8f8615d357357712660d1ed3863c274c2c7bbAndy Hung 88589f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten/* Derive an output channel mask from a channel count. 8864ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi * This is to be used when the content channel mask is unknown. The 1, 2, 4, 5, 6, 7 and 8 channel 8874ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi * cases are mapped to the standard game/home-theater layouts, but note that 4 is mapped to quad, 8884ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi * and not stereo + FC + mono surround. A channel count of 3 is arbitrarily mapped to stereo + FC 8894ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi * for continuity with stereo. 8904ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi * Returns the matching channel mask, or 0 if the number of channels exceeds that of the 8914ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi * configurations for which a default channel mask is defined. 8924ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi */ 89389f7ba3df8fc359023b494c2e625beed900bc706Glenn Kastenstatic inline audio_channel_mask_t audio_channel_out_mask_from_count(uint32_t channel_count) 8944ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi{ 8951c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten switch (channel_count) { 8964ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi case 1: 8974ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi return AUDIO_CHANNEL_OUT_MONO; 8984ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi case 2: 8994ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi return AUDIO_CHANNEL_OUT_STEREO; 9004ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi case 3: 9014ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi return (AUDIO_CHANNEL_OUT_STEREO | AUDIO_CHANNEL_OUT_FRONT_CENTER); 9024ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi case 4: // 4.0 9034ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi return AUDIO_CHANNEL_OUT_QUAD; 9044ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi case 5: // 5.0 9054ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi return (AUDIO_CHANNEL_OUT_QUAD | AUDIO_CHANNEL_OUT_FRONT_CENTER); 9064ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi case 6: // 5.1 9074ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi return AUDIO_CHANNEL_OUT_5POINT1; 9084ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi case 7: // 6.1 9094ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi return (AUDIO_CHANNEL_OUT_5POINT1 | AUDIO_CHANNEL_OUT_BACK_CENTER); 9104ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi case 8: 9114ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi return AUDIO_CHANNEL_OUT_7POINT1; 9124ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi default: 9134ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi return 0; 9144ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi } 9154ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi} 9164ab051ab4613f2622dc3f3f0f57bb34d8a40a6a9Jean-Michel Trivi 91789f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten/* Similar to above, but for input. Currently handles only mono and stereo. */ 91889f7ba3df8fc359023b494c2e625beed900bc706Glenn Kastenstatic inline audio_channel_mask_t audio_channel_in_mask_from_count(uint32_t channel_count) 91989f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten{ 92089f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten switch (channel_count) { 92189f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten case 1: 92289f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten return AUDIO_CHANNEL_IN_MONO; 92389f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten case 2: 92489f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten return AUDIO_CHANNEL_IN_STEREO; 92589f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten default: 92689f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten return 0; 92789f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten } 92889f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten} 92989f7ba3df8fc359023b494c2e625beed900bc706Glenn Kasten 930828bf0cdf4e869fa7bb007331670328c834f8277Glenn Kastenstatic inline bool audio_is_valid_format(audio_format_t format) 931e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin{ 932e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin switch (format & AUDIO_FORMAT_MAIN_MASK) { 933e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin case AUDIO_FORMAT_PCM: 93445b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten switch (format) { 93545b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten case AUDIO_FORMAT_PCM_16_BIT: 93645b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten case AUDIO_FORMAT_PCM_8_BIT: 93745b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten case AUDIO_FORMAT_PCM_32_BIT: 93845b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten case AUDIO_FORMAT_PCM_8_24_BIT: 93945b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten case AUDIO_FORMAT_PCM_FLOAT: 94045b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten case AUDIO_FORMAT_PCM_24_BIT_PACKED: 94145b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten return true; 94245b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten default: 943da382248758eacd9f91d6f0a50dff3f021791c24Eric Laurent return false; 944da382248758eacd9f91d6f0a50dff3f021791c24Eric Laurent } 94545b9581fc9884da4bf60203ece1563e29aac8c96Glenn Kasten /* not reached */ 946e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin case AUDIO_FORMAT_MP3: 947e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin case AUDIO_FORMAT_AMR_NB: 948e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin case AUDIO_FORMAT_AMR_WB: 949e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin case AUDIO_FORMAT_AAC: 950e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin case AUDIO_FORMAT_HE_AAC_V1: 951e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin case AUDIO_FORMAT_HE_AAC_V2: 952e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin case AUDIO_FORMAT_VORBIS: 953e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin return true; 954e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin default: 955e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin return false; 956e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin } 957e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} 958e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 959828bf0cdf4e869fa7bb007331670328c834f8277Glenn Kastenstatic inline bool audio_is_linear_pcm(audio_format_t format) 960e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin{ 961da382248758eacd9f91d6f0a50dff3f021791c24Eric Laurent return ((format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_PCM); 962da382248758eacd9f91d6f0a50dff3f021791c24Eric Laurent} 963da382248758eacd9f91d6f0a50dff3f021791c24Eric Laurent 964828bf0cdf4e869fa7bb007331670328c834f8277Glenn Kastenstatic inline size_t audio_bytes_per_sample(audio_format_t format) 965da382248758eacd9f91d6f0a50dff3f021791c24Eric Laurent{ 966da382248758eacd9f91d6f0a50dff3f021791c24Eric Laurent size_t size = 0; 967da382248758eacd9f91d6f0a50dff3f021791c24Eric Laurent 968e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin switch (format) { 969427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi case AUDIO_FORMAT_PCM_32_BIT: 970427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi case AUDIO_FORMAT_PCM_8_24_BIT: 971427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi size = sizeof(int32_t); 972427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi break; 973173f4995b075e67abdb1874da9f6e83fd7324a5eAndy Hung case AUDIO_FORMAT_PCM_24_BIT_PACKED: 974173f4995b075e67abdb1874da9f6e83fd7324a5eAndy Hung size = sizeof(uint8_t) * 3; 975173f4995b075e67abdb1874da9f6e83fd7324a5eAndy Hung break; 976427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi case AUDIO_FORMAT_PCM_16_BIT: 977427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi size = sizeof(int16_t); 978427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi break; 979427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi case AUDIO_FORMAT_PCM_8_BIT: 980427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi size = sizeof(uint8_t); 981427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi break; 9821c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten case AUDIO_FORMAT_PCM_FLOAT: 9831c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten size = sizeof(float); 9841c3e16fb40780c010f35119cdf782e6fcb7ce017Glenn Kasten break; 985427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi default: 986427d2b43c23c48aedadca008482f495145411e2bJean-Michel Trivi break; 987e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin } 988da382248758eacd9f91d6f0a50dff3f021791c24Eric Laurent return size; 989e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin} 990e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 991e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin__END_DECLS 992e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin 993e8e4be57aa45f621d231a40801a4dea877be09d5Dima Zavin#endif // ANDROID_AUDIO_CORE_H 994