| Jean-Michel Trivi | 56ec4ff | 2015-01-23 16:45:18 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | namespace android { |
| 18 | |
| 19 | // ---------------------------------------------------------------------------- |
| 20 | // Definitions for audio_policy.conf file parsing |
| 21 | // ---------------------------------------------------------------------------- |
| 22 | |
| 23 | struct StringToEnum { |
| 24 | const char *name; |
| 25 | uint32_t value; |
| 26 | }; |
| 27 | |
| 28 | #define STRING_TO_ENUM(string) { #string, string } |
| 29 | #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| 30 | |
| 31 | const StringToEnum sDeviceNameToEnumTable[] = { |
| 32 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_EARPIECE), |
| 33 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPEAKER), |
| 34 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPEAKER_SAFE), |
| 35 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADSET), |
| 36 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADPHONE), |
| 37 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO), |
| 38 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET), |
| 39 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT), |
| 40 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_SCO), |
| 41 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP), |
| 42 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES), |
| 43 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER), |
| 44 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_A2DP), |
| 45 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_AUX_DIGITAL), |
| 46 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_HDMI), |
| 47 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET), |
| 48 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET), |
| 49 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_USB_ACCESSORY), |
| 50 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_USB_DEVICE), |
| 51 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_USB), |
| 52 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_REMOTE_SUBMIX), |
| 53 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_TELEPHONY_TX), |
| 54 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_LINE), |
| 55 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_HDMI_ARC), |
| 56 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPDIF), |
| 57 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_FM), |
| 58 | STRING_TO_ENUM(AUDIO_DEVICE_OUT_AUX_LINE), |
| 59 | STRING_TO_ENUM(AUDIO_DEVICE_IN_AMBIENT), |
| 60 | STRING_TO_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC), |
| 61 | STRING_TO_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET), |
| 62 | STRING_TO_ENUM(AUDIO_DEVICE_IN_ALL_SCO), |
| 63 | STRING_TO_ENUM(AUDIO_DEVICE_IN_WIRED_HEADSET), |
| 64 | STRING_TO_ENUM(AUDIO_DEVICE_IN_AUX_DIGITAL), |
| 65 | STRING_TO_ENUM(AUDIO_DEVICE_IN_HDMI), |
| 66 | STRING_TO_ENUM(AUDIO_DEVICE_IN_TELEPHONY_RX), |
| 67 | STRING_TO_ENUM(AUDIO_DEVICE_IN_VOICE_CALL), |
| 68 | STRING_TO_ENUM(AUDIO_DEVICE_IN_BACK_MIC), |
| 69 | STRING_TO_ENUM(AUDIO_DEVICE_IN_REMOTE_SUBMIX), |
| 70 | STRING_TO_ENUM(AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET), |
| 71 | STRING_TO_ENUM(AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET), |
| 72 | STRING_TO_ENUM(AUDIO_DEVICE_IN_USB_ACCESSORY), |
| 73 | STRING_TO_ENUM(AUDIO_DEVICE_IN_USB_DEVICE), |
| 74 | STRING_TO_ENUM(AUDIO_DEVICE_IN_FM_TUNER), |
| 75 | STRING_TO_ENUM(AUDIO_DEVICE_IN_TV_TUNER), |
| 76 | STRING_TO_ENUM(AUDIO_DEVICE_IN_LINE), |
| 77 | STRING_TO_ENUM(AUDIO_DEVICE_IN_SPDIF), |
| 78 | STRING_TO_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_A2DP), |
| 79 | STRING_TO_ENUM(AUDIO_DEVICE_IN_LOOPBACK), |
| 80 | }; |
| 81 | |
| 82 | const StringToEnum sOutputFlagNameToEnumTable[] = { |
| 83 | STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_DIRECT), |
| 84 | STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_PRIMARY), |
| 85 | STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_FAST), |
| 86 | STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_DEEP_BUFFER), |
| 87 | STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD), |
| 88 | STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_NON_BLOCKING), |
| 89 | STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_HW_AV_SYNC), |
| 90 | }; |
| 91 | |
| 92 | const StringToEnum sInputFlagNameToEnumTable[] = { |
| 93 | STRING_TO_ENUM(AUDIO_INPUT_FLAG_FAST), |
| 94 | STRING_TO_ENUM(AUDIO_INPUT_FLAG_HW_HOTWORD), |
| 95 | }; |
| 96 | |
| 97 | const StringToEnum sFormatNameToEnumTable[] = { |
| 98 | STRING_TO_ENUM(AUDIO_FORMAT_PCM_16_BIT), |
| 99 | STRING_TO_ENUM(AUDIO_FORMAT_PCM_8_BIT), |
| 100 | STRING_TO_ENUM(AUDIO_FORMAT_PCM_32_BIT), |
| 101 | STRING_TO_ENUM(AUDIO_FORMAT_PCM_8_24_BIT), |
| 102 | STRING_TO_ENUM(AUDIO_FORMAT_PCM_FLOAT), |
| 103 | STRING_TO_ENUM(AUDIO_FORMAT_PCM_24_BIT_PACKED), |
| 104 | STRING_TO_ENUM(AUDIO_FORMAT_MP3), |
| 105 | STRING_TO_ENUM(AUDIO_FORMAT_AAC), |
| 106 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_MAIN), |
| 107 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_LC), |
| 108 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_SSR), |
| 109 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_LTP), |
| 110 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V1), |
| 111 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_SCALABLE), |
| 112 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_ERLC), |
| 113 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_LD), |
| 114 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V2), |
| 115 | STRING_TO_ENUM(AUDIO_FORMAT_AAC_ELD), |
| 116 | STRING_TO_ENUM(AUDIO_FORMAT_VORBIS), |
| 117 | STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V1), |
| 118 | STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V2), |
| 119 | STRING_TO_ENUM(AUDIO_FORMAT_OPUS), |
| 120 | STRING_TO_ENUM(AUDIO_FORMAT_AC3), |
| 121 | STRING_TO_ENUM(AUDIO_FORMAT_E_AC3), |
| 122 | }; |
| 123 | |
| 124 | const StringToEnum sOutChannelsNameToEnumTable[] = { |
| 125 | STRING_TO_ENUM(AUDIO_CHANNEL_OUT_MONO), |
| 126 | STRING_TO_ENUM(AUDIO_CHANNEL_OUT_STEREO), |
| 127 | STRING_TO_ENUM(AUDIO_CHANNEL_OUT_QUAD), |
| 128 | STRING_TO_ENUM(AUDIO_CHANNEL_OUT_5POINT1), |
| 129 | STRING_TO_ENUM(AUDIO_CHANNEL_OUT_7POINT1), |
| 130 | }; |
| 131 | |
| 132 | const StringToEnum sInChannelsNameToEnumTable[] = { |
| 133 | STRING_TO_ENUM(AUDIO_CHANNEL_IN_MONO), |
| 134 | STRING_TO_ENUM(AUDIO_CHANNEL_IN_STEREO), |
| 135 | STRING_TO_ENUM(AUDIO_CHANNEL_IN_FRONT_BACK), |
| 136 | }; |
| 137 | |
| 138 | const StringToEnum sGainModeNameToEnumTable[] = { |
| 139 | STRING_TO_ENUM(AUDIO_GAIN_MODE_JOINT), |
| 140 | STRING_TO_ENUM(AUDIO_GAIN_MODE_CHANNELS), |
| 141 | STRING_TO_ENUM(AUDIO_GAIN_MODE_RAMP), |
| 142 | }; |
| 143 | |
| 144 | class ConfigParsingUtils |
| 145 | { |
| 146 | public: |
| 147 | static uint32_t stringToEnum(const struct StringToEnum *table, |
| 148 | size_t size, |
| 149 | const char *name); |
| 150 | static const char *enumToString(const struct StringToEnum *table, |
| 151 | size_t size, |
| 152 | uint32_t value); |
| 153 | static bool stringToBool(const char *value); |
| 154 | static uint32_t parseOutputFlagNames(char *name); |
| 155 | static uint32_t parseInputFlagNames(char *name); |
| 156 | static audio_devices_t parseDeviceNames(char *name); |
| 157 | }; |
| 158 | |
| 159 | }; // namespace android |