The Tor Browser: media/libcubeb/src/audiotrack

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /*

     2  * Copyright (C) 2008 The Android Open Source Project

     3  *

     4  * Licensed under the Apache License, Version 2.0 (the "License");

     5  * you may not use this file except in compliance with the License.

     6  * You may obtain a copy of the License at

     7  *

     8  *      http://www.apache.org/licenses/LICENSE-2.0

     9  *

    10  * Unless required by applicable law or agreed to in writing, software

    11  * distributed under the License is distributed on an "AS IS" BASIS,

    12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    13  * See the License for the specific language governing permissions and

    14  * limitations under the License.

    15  */

    17 #include <cubeb/cubeb-stdint.h>

    19 /*

    20  * The following definitions are copied from the android sources. Only the

    21  * relevant enum member and values needed are copied.

    22  */

    24 /*

    25  * From https://android.googlesource.com/platform/frameworks/base/+/android-2.2.3_r2.1/include/utils/Errors.h

    26  */

    27 typedef int32_t status_t;

    29 /*

    30  * From https://android.googlesource.com/platform/frameworks/base/+/android-2.2.3_r2.1/include/media/AudioTrack.h

    31  */

    32 struct Buffer {

    33   uint32_t    flags;

    34   int         channelCount;

    35   int         format;

    36   size_t      frameCount;

    37   size_t      size;

    38   union {

    39     void*       raw;

    40     short*      i16;

    41     int8_t*     i8;

    42   };

    43 };

    45 enum event_type {

    46   EVENT_MORE_DATA = 0,

    47   EVENT_UNDERRUN = 1,

    48   EVENT_LOOP_END = 2,

    49   EVENT_MARKER = 3,

    50   EVENT_NEW_POS = 4,

    51   EVENT_BUFFER_END = 5

    52 };

    54 /**

    55  * From https://android.googlesource.com/platform/frameworks/base/+/android-2.2.3_r2.1/include/media/AudioSystem.h

    56  * and

    57  * https://android.googlesource.com/platform/system/core/+/android-4.2.2_r1/include/system/audio.h

    58  */

    60 #define AUDIO_STREAM_TYPE_MUSIC 3

    62 enum {

    63   AUDIO_CHANNEL_OUT_FRONT_LEFT_ICS  = 0x1,

    64   AUDIO_CHANNEL_OUT_FRONT_RIGHT_ICS = 0x2,

    65   AUDIO_CHANNEL_OUT_MONO_ICS     = AUDIO_CHANNEL_OUT_FRONT_LEFT_ICS,

    66   AUDIO_CHANNEL_OUT_STEREO_ICS   = (AUDIO_CHANNEL_OUT_FRONT_LEFT_ICS | AUDIO_CHANNEL_OUT_FRONT_RIGHT_ICS)

    67 } AudioTrack_ChannelMapping_ICS;

    69 enum {

    70   AUDIO_CHANNEL_OUT_FRONT_LEFT_Froyo = 0x4,

    71   AUDIO_CHANNEL_OUT_FRONT_RIGHT_Froyo = 0x8,

    72   AUDIO_CHANNEL_OUT_MONO_Froyo = AUDIO_CHANNEL_OUT_FRONT_LEFT_Froyo,

    73   AUDIO_CHANNEL_OUT_STEREO_Froyo = (AUDIO_CHANNEL_OUT_FRONT_LEFT_Froyo | AUDIO_CHANNEL_OUT_FRONT_RIGHT_Froyo)

    74 } AudioTrack_ChannelMapping_Froyo;

    76 typedef enum {

    77   AUDIO_FORMAT_PCM = 0x00000000,

    78   AUDIO_FORMAT_PCM_SUB_16_BIT = 0x1,

    79   AUDIO_FORMAT_PCM_16_BIT = (AUDIO_FORMAT_PCM | AUDIO_FORMAT_PCM_SUB_16_BIT),

    80 } AudioTrack_SampleType;

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