+++ /dev/null
-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-#ifndef ANDROID_AUDIO_CORE_H
-#define ANDROID_AUDIO_CORE_H
-
-#include <stdbool.h>
-#include <stdint.h>
-#include <sys/cdefs.h>
-#include <sys/types.h>
-
-#include <cutils/bitops.h>
-
-__BEGIN_DECLS
-
-/* The enums were moved here mostly from
- * frameworks/base/include/media/AudioSystem.h
- */
-
-typedef int audio_io_handle_t;
-
-/* Audio stream types */
-typedef enum {
- AUDIO_STREAM_DEFAULT = -1,
- AUDIO_STREAM_VOICE_CALL = 0,
- AUDIO_STREAM_SYSTEM = 1,
- AUDIO_STREAM_RING = 2,
- AUDIO_STREAM_MUSIC = 3,
- AUDIO_STREAM_ALARM = 4,
- AUDIO_STREAM_NOTIFICATION = 5,
- AUDIO_STREAM_BLUETOOTH_SCO = 6,
- AUDIO_STREAM_ENFORCED_AUDIBLE = 7, /* Sounds that cannot be muted by user and must be routed to speaker */
- AUDIO_STREAM_DTMF = 8,
- AUDIO_STREAM_TTS = 9,
-
- AUDIO_STREAM_CNT,
- AUDIO_STREAM_MAX = AUDIO_STREAM_CNT - 1,
-} audio_stream_type_t;
-
-/* Do not change these values without updating their counterparts
- * in media/java/android/media/MediaRecorder.java!
- */
-typedef enum {
- AUDIO_SOURCE_DEFAULT = 0,
- AUDIO_SOURCE_MIC = 1,
- AUDIO_SOURCE_VOICE_UPLINK = 2,
- AUDIO_SOURCE_VOICE_DOWNLINK = 3,
- AUDIO_SOURCE_VOICE_CALL = 4,
- AUDIO_SOURCE_CAMCORDER = 5,
- AUDIO_SOURCE_VOICE_RECOGNITION = 6,
- AUDIO_SOURCE_VOICE_COMMUNICATION = 7,
-
- AUDIO_SOURCE_CNT,
- AUDIO_SOURCE_MAX = AUDIO_SOURCE_CNT - 1,
-} audio_source_t;
-
-/* special audio session values
- * (XXX: should this be living in the audio effects land?)
- */
-typedef enum {
- /* session for effects attached to a particular output stream
- * (value must be less than 0)
- */
- AUDIO_SESSION_OUTPUT_STAGE = -1,
-
- /* session for effects applied to output mix. These effects can
- * be moved by audio policy manager to another output stream
- * (value must be 0)
- */
- AUDIO_SESSION_OUTPUT_MIX = 0,
-} audio_session_t;
-
-/* Audio sub formats (see enum audio_format). */
-
-/* PCM sub formats */
-typedef enum {
- AUDIO_FORMAT_PCM_SUB_16_BIT = 0x1, /* DO NOT CHANGE */
- AUDIO_FORMAT_PCM_SUB_8_BIT = 0x2, /* DO NOT CHANGE */
-} audio_format_pcm_sub_fmt_t;
-
-/* MP3 sub format field definition : can use 11 LSBs in the same way as MP3
- * frame header to specify bit rate, stereo mode, version...
- */
-typedef enum {
- AUDIO_FORMAT_MP3_SUB_NONE = 0x0,
-} audio_format_mp3_sub_fmt_t;
-
-/* AMR NB/WB sub format field definition: specify frame block interleaving,
- * bandwidth efficient or octet aligned, encoding mode for recording...
- */
-typedef enum {
- AUDIO_FORMAT_AMR_SUB_NONE = 0x0,
-} audio_format_amr_sub_fmt_t;
-
-/* AAC sub format field definition: specify profile or bitrate for recording... */
-typedef enum {
- AUDIO_FORMAT_AAC_SUB_NONE = 0x0,
-} audio_format_aac_sub_fmt_t;
-
-/* VORBIS sub format field definition: specify quality for recording... */
-typedef enum {
- AUDIO_FORMAT_VORBIS_SUB_NONE = 0x0,
-} audio_format_vorbis_sub_fmt_t;
-
-/* Audio format consists in a main format field (upper 8 bits) and a sub format
- * field (lower 24 bits).
- *
- * The main format indicates the main codec type. The sub format field
- * indicates options and parameters for each format. The sub format is mainly
- * used for record to indicate for instance the requested bitrate or profile.
- * It can also be used for certain formats to give informations not present in
- * the encoded audio stream (e.g. octet alignement for AMR).
- */
-typedef enum {
- AUDIO_FORMAT_INVALID = 0xFFFFFFFFUL,
- AUDIO_FORMAT_DEFAULT = 0,
- AUDIO_FORMAT_PCM = 0x00000000UL, /* DO NOT CHANGE */
- AUDIO_FORMAT_MP3 = 0x01000000UL,
- AUDIO_FORMAT_AMR_NB = 0x02000000UL,
- AUDIO_FORMAT_AMR_WB = 0x03000000UL,
- AUDIO_FORMAT_AAC = 0x04000000UL,
- AUDIO_FORMAT_HE_AAC_V1 = 0x05000000UL,
- AUDIO_FORMAT_HE_AAC_V2 = 0x06000000UL,
- AUDIO_FORMAT_VORBIS = 0x07000000UL,
- AUDIO_FORMAT_MAIN_MASK = 0xFF000000UL,
- AUDIO_FORMAT_SUB_MASK = 0x00FFFFFFUL,
-
- /* Aliases */
- AUDIO_FORMAT_PCM_16_BIT = (AUDIO_FORMAT_PCM |
- AUDIO_FORMAT_PCM_SUB_16_BIT),
- AUDIO_FORMAT_PCM_8_BIT = (AUDIO_FORMAT_PCM |
- AUDIO_FORMAT_PCM_SUB_8_BIT),
-} audio_format_t;
-
-/* Channel mask definitions must be kept in sync with JAVA values in
- * frameworks/base/media/java/android/media/AudioFormat.java */
-typedef enum {
- /* output channels */
- AUDIO_CHANNEL_OUT_FRONT_LEFT = 0x4,
- AUDIO_CHANNEL_OUT_FRONT_RIGHT = 0x8,
- AUDIO_CHANNEL_OUT_FRONT_CENTER = 0x10,
- AUDIO_CHANNEL_OUT_LOW_FREQUENCY = 0x20,
- AUDIO_CHANNEL_OUT_BACK_LEFT = 0x40,
- AUDIO_CHANNEL_OUT_BACK_RIGHT = 0x80,
- AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 0x100,
- AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x200,
- AUDIO_CHANNEL_OUT_BACK_CENTER = 0x400,
-
- AUDIO_CHANNEL_OUT_MONO = AUDIO_CHANNEL_OUT_FRONT_LEFT,
- AUDIO_CHANNEL_OUT_STEREO = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
- AUDIO_CHANNEL_OUT_FRONT_RIGHT),
- AUDIO_CHANNEL_OUT_QUAD = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
- AUDIO_CHANNEL_OUT_FRONT_RIGHT |
- AUDIO_CHANNEL_OUT_BACK_LEFT |
- AUDIO_CHANNEL_OUT_BACK_RIGHT),
- AUDIO_CHANNEL_OUT_SURROUND = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
- AUDIO_CHANNEL_OUT_FRONT_RIGHT |
- AUDIO_CHANNEL_OUT_FRONT_CENTER |
- AUDIO_CHANNEL_OUT_BACK_CENTER),
- AUDIO_CHANNEL_OUT_5POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
- AUDIO_CHANNEL_OUT_FRONT_RIGHT |
- AUDIO_CHANNEL_OUT_FRONT_CENTER |
- AUDIO_CHANNEL_OUT_LOW_FREQUENCY |
- AUDIO_CHANNEL_OUT_BACK_LEFT |
- AUDIO_CHANNEL_OUT_BACK_RIGHT),
- AUDIO_CHANNEL_OUT_7POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
- AUDIO_CHANNEL_OUT_FRONT_RIGHT |
- AUDIO_CHANNEL_OUT_FRONT_CENTER |
- AUDIO_CHANNEL_OUT_LOW_FREQUENCY |
- AUDIO_CHANNEL_OUT_BACK_LEFT |
- AUDIO_CHANNEL_OUT_BACK_RIGHT |
- AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER |
- AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER),
- AUDIO_CHANNEL_OUT_ALL = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
- AUDIO_CHANNEL_OUT_FRONT_RIGHT |
- AUDIO_CHANNEL_OUT_FRONT_CENTER |
- AUDIO_CHANNEL_OUT_LOW_FREQUENCY |
- AUDIO_CHANNEL_OUT_BACK_LEFT |
- AUDIO_CHANNEL_OUT_BACK_RIGHT |
- AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER |
- AUDIO_CHANNEL_OUT_FRONT_RIGHT_OF_CENTER |
- AUDIO_CHANNEL_OUT_BACK_CENTER),
-
- /* input channels */
- AUDIO_CHANNEL_IN_LEFT = 0x4,
- AUDIO_CHANNEL_IN_RIGHT = 0x8,
- AUDIO_CHANNEL_IN_FRONT = 0x10,
- AUDIO_CHANNEL_IN_BACK = 0x20,
- AUDIO_CHANNEL_IN_LEFT_PROCESSED = 0x40,
- AUDIO_CHANNEL_IN_RIGHT_PROCESSED = 0x80,
- AUDIO_CHANNEL_IN_FRONT_PROCESSED = 0x100,
- AUDIO_CHANNEL_IN_BACK_PROCESSED = 0x200,
- AUDIO_CHANNEL_IN_PRESSURE = 0x400,
- AUDIO_CHANNEL_IN_X_AXIS = 0x800,
- AUDIO_CHANNEL_IN_Y_AXIS = 0x1000,
- AUDIO_CHANNEL_IN_Z_AXIS = 0x2000,
- AUDIO_CHANNEL_IN_VOICE_UPLINK = 0x4000,
- AUDIO_CHANNEL_IN_VOICE_DNLINK = 0x8000,
-
- AUDIO_CHANNEL_IN_MONO = AUDIO_CHANNEL_IN_FRONT,
- AUDIO_CHANNEL_IN_STEREO = (AUDIO_CHANNEL_IN_LEFT | AUDIO_CHANNEL_IN_RIGHT),
- AUDIO_CHANNEL_IN_ALL = (AUDIO_CHANNEL_IN_LEFT |
- AUDIO_CHANNEL_IN_RIGHT |
- AUDIO_CHANNEL_IN_FRONT |
- AUDIO_CHANNEL_IN_BACK|
- AUDIO_CHANNEL_IN_LEFT_PROCESSED |
- AUDIO_CHANNEL_IN_RIGHT_PROCESSED |
- AUDIO_CHANNEL_IN_FRONT_PROCESSED |
- AUDIO_CHANNEL_IN_BACK_PROCESSED|
- AUDIO_CHANNEL_IN_PRESSURE |
- AUDIO_CHANNEL_IN_X_AXIS |
- AUDIO_CHANNEL_IN_Y_AXIS |
- AUDIO_CHANNEL_IN_Z_AXIS |
- AUDIO_CHANNEL_IN_VOICE_UPLINK |
- AUDIO_CHANNEL_IN_VOICE_DNLINK),
-} audio_channels_t;
-
-typedef enum {
- AUDIO_MODE_INVALID = -2,
- AUDIO_MODE_CURRENT = -1,
- AUDIO_MODE_NORMAL = 0,
- AUDIO_MODE_RINGTONE = 1,
- AUDIO_MODE_IN_CALL = 2,
- AUDIO_MODE_IN_COMMUNICATION = 3,
-
- AUDIO_MODE_CNT,
- AUDIO_MODE_MAX = AUDIO_MODE_CNT - 1,
-} audio_mode_t;
-
-typedef enum {
- AUDIO_IN_ACOUSTICS_AGC_ENABLE = 0x0001,
- AUDIO_IN_ACOUSTICS_AGC_DISABLE = 0,
- AUDIO_IN_ACOUSTICS_NS_ENABLE = 0x0002,
- AUDIO_IN_ACOUSTICS_NS_DISABLE = 0,
- AUDIO_IN_ACOUSTICS_TX_IIR_ENABLE = 0x0004,
- AUDIO_IN_ACOUSTICS_TX_DISABLE = 0,
-} audio_in_acoustics_t;
-
-typedef enum {
- /* output devices */
- AUDIO_DEVICE_OUT_EARPIECE = 0x1,
- AUDIO_DEVICE_OUT_SPEAKER = 0x2,
- AUDIO_DEVICE_OUT_WIRED_HEADSET = 0x4,
- AUDIO_DEVICE_OUT_WIRED_HEADPHONE = 0x8,
- AUDIO_DEVICE_OUT_BLUETOOTH_SCO = 0x10,
- AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20,
- AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40,
- AUDIO_DEVICE_OUT_BLUETOOTH_A2DP = 0x80,
- AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100,
- AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200,
- AUDIO_DEVICE_OUT_AUX_DIGITAL = 0x400,
- AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800,
- AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000,
- AUDIO_DEVICE_OUT_DEFAULT = 0x8000,
- AUDIO_DEVICE_OUT_ALL = (AUDIO_DEVICE_OUT_EARPIECE |
- AUDIO_DEVICE_OUT_SPEAKER |
- AUDIO_DEVICE_OUT_WIRED_HEADSET |
- AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
- AUDIO_DEVICE_OUT_BLUETOOTH_SCO |
- AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET |
- AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT |
- AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
- AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
- AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER |
- AUDIO_DEVICE_OUT_AUX_DIGITAL |
- AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET |
- AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET |
- AUDIO_DEVICE_OUT_DEFAULT),
- AUDIO_DEVICE_OUT_ALL_A2DP = (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
- AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
- AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER),
- AUDIO_DEVICE_OUT_ALL_SCO = (AUDIO_DEVICE_OUT_BLUETOOTH_SCO |
- AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET |
- AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT),
-
- /* input devices */
- AUDIO_DEVICE_IN_COMMUNICATION = 0x10000,
- AUDIO_DEVICE_IN_AMBIENT = 0x20000,
- AUDIO_DEVICE_IN_BUILTIN_MIC = 0x40000,
- AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = 0x80000,
- AUDIO_DEVICE_IN_WIRED_HEADSET = 0x100000,
- AUDIO_DEVICE_IN_AUX_DIGITAL = 0x200000,
- AUDIO_DEVICE_IN_VOICE_CALL = 0x400000,
- AUDIO_DEVICE_IN_BACK_MIC = 0x800000,
- AUDIO_DEVICE_IN_DEFAULT = 0x80000000,
-
- AUDIO_DEVICE_IN_ALL = (AUDIO_DEVICE_IN_COMMUNICATION |
- AUDIO_DEVICE_IN_AMBIENT |
- AUDIO_DEVICE_IN_BUILTIN_MIC |
- AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET |
- AUDIO_DEVICE_IN_WIRED_HEADSET |
- AUDIO_DEVICE_IN_AUX_DIGITAL |
- AUDIO_DEVICE_IN_VOICE_CALL |
- AUDIO_DEVICE_IN_BACK_MIC |
- AUDIO_DEVICE_IN_DEFAULT),
- AUDIO_DEVICE_IN_ALL_SCO = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET,
-} audio_devices_t;
-
-static inline bool audio_is_output_device(audio_devices_t device)
-{
- if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_OUT_ALL) == 0))
- return true;
- else
- return false;
-}
-
-static inline bool audio_is_input_device(audio_devices_t device)
-{
- if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_IN_ALL) == 0))
- return true;
- else
- return false;
-}
-
-static inline bool audio_is_a2dp_device(audio_devices_t device)
-{
- if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_A2DP))
- return true;
- else
- return false;
-}
-
-static inline bool audio_is_bluetooth_sco_device(audio_devices_t device)
-{
- if ((popcount(device) == 1) && (device & (AUDIO_DEVICE_OUT_ALL_SCO |
- AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET)))
- return true;
- else
- return false;
-}
-
-static inline bool audio_is_input_channel(uint32_t channel)
-{
- if ((channel & ~AUDIO_CHANNEL_IN_ALL) == 0)
- return true;
- else
- return false;
-}
-
-static inline bool audio_is_output_channel(uint32_t channel)
-{
- if ((channel & ~AUDIO_CHANNEL_OUT_ALL) == 0)
- return true;
- else
- return false;
-}
-
-static inline bool audio_is_valid_format(uint32_t format)
-{
- switch (format & AUDIO_FORMAT_MAIN_MASK) {
- case AUDIO_FORMAT_PCM:
- case AUDIO_FORMAT_MP3:
- case AUDIO_FORMAT_AMR_NB:
- case AUDIO_FORMAT_AMR_WB:
- case AUDIO_FORMAT_AAC:
- case AUDIO_FORMAT_HE_AAC_V1:
- case AUDIO_FORMAT_HE_AAC_V2:
- case AUDIO_FORMAT_VORBIS:
- return true;
- default:
- return false;
- }
-}
-
-static inline bool audio_is_linear_pcm(uint32_t format)
-{
- switch (format) {
- case AUDIO_FORMAT_PCM_16_BIT:
- case AUDIO_FORMAT_PCM_8_BIT:
- return true;
- default:
- return false;
- }
-}
-
-
-__END_DECLS
-
-#endif // ANDROID_AUDIO_CORE_H
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