/*
* Copyright (C) 2008 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.
*/
#include <stdint.h>
/*
* The following definitions are copied from the android sources. Only the
* relevant enum member and values needed are copied.
*/
/*
* From
* https://android.googlesource.com/platform/frameworks/base/+/android-2.2.3_r2.1/include/utils/Errors.h
*/
typedef int32_t status_t;
/*
* From
* https://android.googlesource.com/platform/frameworks/base/+/android-2.2.3_r2.1/include/media/AudioTrack.h
*/
struct Buffer {
uint32_t flags;
int channelCount;
int format;
size_t frameCount;
size_t size;
union {
void * raw;
short * i16;
int8_t * i8;
};
};
enum event_type {
EVENT_MORE_DATA = 0,
EVENT_UNDERRUN = 1,
EVENT_LOOP_END = 2,
EVENT_MARKER = 3,
EVENT_NEW_POS = 4,
EVENT_BUFFER_END = 5
};
/**
* From
* https://android.googlesource.com/platform/frameworks/base/+/android-2.2.3_r2.1/include/media/AudioSystem.h
* and
* https://android.googlesource.com/platform/system/core/+/android-4.2.2_r1/include/system/audio.h
*/
#define AUDIO_STREAM_TYPE_MUSIC 3
enum {
AUDIO_CHANNEL_OUT_FRONT_LEFT_ICS = 0x1,
AUDIO_CHANNEL_OUT_FRONT_RIGHT_ICS = 0x2,
AUDIO_CHANNEL_OUT_MONO_ICS = AUDIO_CHANNEL_OUT_FRONT_LEFT_ICS,
AUDIO_CHANNEL_OUT_STEREO_ICS =
(AUDIO_CHANNEL_OUT_FRONT_LEFT_ICS | AUDIO_CHANNEL_OUT_FRONT_RIGHT_ICS)
} AudioTrack_ChannelMapping_ICS;
enum {
AUDIO_CHANNEL_OUT_FRONT_LEFT_Legacy = 0x4,
AUDIO_CHANNEL_OUT_FRONT_RIGHT_Legacy = 0x8,
AUDIO_CHANNEL_OUT_MONO_Legacy = AUDIO_CHANNEL_OUT_FRONT_LEFT_Legacy,
AUDIO_CHANNEL_OUT_STEREO_Legacy = (AUDIO_CHANNEL_OUT_FRONT_LEFT_Legacy |
AUDIO_CHANNEL_OUT_FRONT_RIGHT_Legacy)
} AudioTrack_ChannelMapping_Legacy;
typedef enum {
AUDIO_FORMAT_PCM = 0x00000000,
AUDIO_FORMAT_PCM_SUB_16_BIT = 0x1,
AUDIO_FORMAT_PCM_16_BIT = (AUDIO_FORMAT_PCM | AUDIO_FORMAT_PCM_SUB_16_BIT),
} AudioTrack_SampleType;
