The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006-2007 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 | #define LOG_TAG "AudioSystem" |
| 18 | //#define LOG_NDEBUG 0 |
| 19 | |
| 20 | #include <utils/Log.h> |
Mathias Agopian | 0795272 | 2009-05-19 19:08:10 -0700 | [diff] [blame] | 21 | #include <binder/IServiceManager.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | #include <media/AudioSystem.h> |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 23 | #include <media/IAudioPolicyService.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 24 | #include <math.h> |
| 25 | |
Dima Zavin | 34bb419 | 2011-05-11 14:15:23 -0700 | [diff] [blame] | 26 | #include <system/audio.h> |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 27 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 28 | // ---------------------------------------------------------------------------- |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 29 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | namespace android { |
| 31 | |
| 32 | // client singleton for AudioFlinger binder interface |
| 33 | Mutex AudioSystem::gLock; |
| 34 | sp<IAudioFlinger> AudioSystem::gAudioFlinger; |
| 35 | sp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient; |
| 36 | audio_error_callback AudioSystem::gAudioErrorCallback = NULL; |
| 37 | // Cached values |
Glenn Kasten | b7cffb4 | 2012-01-20 09:37:45 -0800 | [diff] [blame] | 38 | |
| 39 | DefaultKeyedVector<audio_stream_type_t, audio_io_handle_t> AudioSystem::gStreamOutputMap(0); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 40 | DefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0); |
| 41 | |
Glenn Kasten | 81801ad | 2012-01-10 09:01:19 -0800 | [diff] [blame] | 42 | // Cached values for recording queries, all protected by gLock |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | uint32_t AudioSystem::gPrevInSamplingRate = 16000; |
Glenn Kasten | 0a204ed | 2012-01-12 12:27:51 -0800 | [diff] [blame] | 44 | audio_format_t AudioSystem::gPrevInFormat = AUDIO_FORMAT_PCM_16_BIT; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 45 | int AudioSystem::gPrevInChannelCount = 1; |
| 46 | size_t AudioSystem::gInBuffSize = 0; |
| 47 | |
| 48 | |
| 49 | // establish binder interface to AudioFlinger service |
| 50 | const sp<IAudioFlinger>& AudioSystem::get_audio_flinger() |
| 51 | { |
| 52 | Mutex::Autolock _l(gLock); |
Glenn Kasten | 70ed6b7 | 2012-01-10 10:46:34 -0800 | [diff] [blame] | 53 | if (gAudioFlinger == 0) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 54 | sp<IServiceManager> sm = defaultServiceManager(); |
| 55 | sp<IBinder> binder; |
| 56 | do { |
| 57 | binder = sm->getService(String16("media.audio_flinger")); |
| 58 | if (binder != 0) |
| 59 | break; |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 60 | ALOGW("AudioFlinger not published, waiting..."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 61 | usleep(500000); // 0.5 s |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame^] | 62 | } while (true); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 63 | if (gAudioFlingerClient == NULL) { |
| 64 | gAudioFlingerClient = new AudioFlingerClient(); |
| 65 | } else { |
| 66 | if (gAudioErrorCallback) { |
| 67 | gAudioErrorCallback(NO_ERROR); |
| 68 | } |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame^] | 69 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 70 | binder->linkToDeath(gAudioFlingerClient); |
| 71 | gAudioFlinger = interface_cast<IAudioFlinger>(binder); |
| 72 | gAudioFlinger->registerClient(gAudioFlingerClient); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 73 | } |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 74 | ALOGE_IF(gAudioFlinger==0, "no AudioFlinger!?"); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 75 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 76 | return gAudioFlinger; |
| 77 | } |
| 78 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 79 | status_t AudioSystem::muteMicrophone(bool state) { |
| 80 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 81 | if (af == 0) return PERMISSION_DENIED; |
| 82 | return af->setMicMute(state); |
| 83 | } |
| 84 | |
| 85 | status_t AudioSystem::isMicrophoneMuted(bool* state) { |
| 86 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 87 | if (af == 0) return PERMISSION_DENIED; |
| 88 | *state = af->getMicMute(); |
| 89 | return NO_ERROR; |
| 90 | } |
| 91 | |
| 92 | status_t AudioSystem::setMasterVolume(float value) |
| 93 | { |
| 94 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 95 | if (af == 0) return PERMISSION_DENIED; |
| 96 | af->setMasterVolume(value); |
| 97 | return NO_ERROR; |
| 98 | } |
| 99 | |
| 100 | status_t AudioSystem::setMasterMute(bool mute) |
| 101 | { |
| 102 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 103 | if (af == 0) return PERMISSION_DENIED; |
| 104 | af->setMasterMute(mute); |
| 105 | return NO_ERROR; |
| 106 | } |
| 107 | |
| 108 | status_t AudioSystem::getMasterVolume(float* volume) |
| 109 | { |
| 110 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 111 | if (af == 0) return PERMISSION_DENIED; |
| 112 | *volume = af->masterVolume(); |
| 113 | return NO_ERROR; |
| 114 | } |
| 115 | |
| 116 | status_t AudioSystem::getMasterMute(bool* mute) |
| 117 | { |
| 118 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 119 | if (af == 0) return PERMISSION_DENIED; |
| 120 | *mute = af->masterMute(); |
| 121 | return NO_ERROR; |
| 122 | } |
| 123 | |
Glenn Kasten | 39d00cb | 2012-01-17 11:09:42 -0800 | [diff] [blame] | 124 | status_t AudioSystem::setStreamVolume(audio_stream_type_t stream, float value, |
| 125 | audio_io_handle_t output) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 126 | { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 127 | if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 128 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 129 | if (af == 0) return PERMISSION_DENIED; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 130 | af->setStreamVolume(stream, value, output); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 131 | return NO_ERROR; |
| 132 | } |
| 133 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 134 | status_t AudioSystem::setStreamMute(audio_stream_type_t stream, bool mute) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 135 | { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 136 | if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 137 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 138 | if (af == 0) return PERMISSION_DENIED; |
| 139 | af->setStreamMute(stream, mute); |
| 140 | return NO_ERROR; |
| 141 | } |
| 142 | |
Glenn Kasten | 39d00cb | 2012-01-17 11:09:42 -0800 | [diff] [blame] | 143 | status_t AudioSystem::getStreamVolume(audio_stream_type_t stream, float* volume, |
| 144 | audio_io_handle_t output) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 145 | { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 146 | if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 147 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 148 | if (af == 0) return PERMISSION_DENIED; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 149 | *volume = af->streamVolume(stream, output); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 150 | return NO_ERROR; |
| 151 | } |
| 152 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 153 | status_t AudioSystem::getStreamMute(audio_stream_type_t stream, bool* mute) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 154 | { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 155 | if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 156 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 157 | if (af == 0) return PERMISSION_DENIED; |
| 158 | *mute = af->streamMute(stream); |
| 159 | return NO_ERROR; |
| 160 | } |
| 161 | |
Glenn Kasten | accb114 | 2012-01-04 11:00:47 -0800 | [diff] [blame] | 162 | status_t AudioSystem::setMode(audio_mode_t mode) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 163 | { |
Glenn Kasten | 01aaf2c | 2012-01-06 16:47:31 -0800 | [diff] [blame] | 164 | if (uint32_t(mode) >= AUDIO_MODE_CNT) return BAD_VALUE; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 165 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 166 | if (af == 0) return PERMISSION_DENIED; |
| 167 | return af->setMode(mode); |
| 168 | } |
| 169 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 170 | status_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 171 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 172 | if (af == 0) return PERMISSION_DENIED; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 173 | return af->setParameters(ioHandle, keyValuePairs); |
| 174 | } |
| 175 | |
| 176 | String8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) { |
| 177 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 178 | String8 result = String8(""); |
| 179 | if (af == 0) return result; |
| 180 | |
| 181 | result = af->getParameters(ioHandle, keys); |
| 182 | return result; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 183 | } |
| 184 | |
| 185 | // convert volume steps to natural log scale |
| 186 | |
| 187 | // change this value to change volume scaling |
| 188 | static const float dBPerStep = 0.5f; |
| 189 | // shouldn't need to touch these |
| 190 | static const float dBConvert = -dBPerStep * 2.302585093f / 20.0f; |
| 191 | static const float dBConvertInverse = 1.0f / dBConvert; |
| 192 | |
| 193 | float AudioSystem::linearToLog(int volume) |
| 194 | { |
| 195 | // float v = volume ? exp(float(100 - volume) * dBConvert) : 0; |
Steve Block | 5baa3a6 | 2011-12-20 16:23:08 +0000 | [diff] [blame] | 196 | // ALOGD("linearToLog(%d)=%f", volume, v); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 197 | // return v; |
| 198 | return volume ? exp(float(100 - volume) * dBConvert) : 0; |
| 199 | } |
| 200 | |
| 201 | int AudioSystem::logToLinear(float volume) |
| 202 | { |
| 203 | // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; |
Steve Block | 5baa3a6 | 2011-12-20 16:23:08 +0000 | [diff] [blame] | 204 | // ALOGD("logTolinear(%d)=%f", v, volume); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 205 | // return v; |
| 206 | return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0; |
| 207 | } |
| 208 | |
Andreas Huber | 28ea013 | 2012-01-18 10:51:55 -0800 | [diff] [blame] | 209 | // DEPRECATED |
| 210 | status_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType) { |
| 211 | return getOutputSamplingRate(samplingRate, (audio_stream_type_t)streamType); |
| 212 | } |
| 213 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 214 | status_t AudioSystem::getOutputSamplingRate(int* samplingRate, audio_stream_type_t streamType) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 215 | { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 216 | OutputDescriptor *outputDesc; |
| 217 | audio_io_handle_t output; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 218 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 219 | if (streamType == AUDIO_STREAM_DEFAULT) { |
| 220 | streamType = AUDIO_STREAM_MUSIC; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 221 | } |
| 222 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 223 | output = getOutput(streamType); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 224 | if (output == 0) { |
| 225 | return PERMISSION_DENIED; |
| 226 | } |
| 227 | |
| 228 | gLock.lock(); |
| 229 | outputDesc = AudioSystem::gOutputs.valueFor(output); |
Glenn Kasten | 3694ec1 | 2012-01-27 16:47:15 -0800 | [diff] [blame] | 230 | if (outputDesc == NULL) { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 231 | ALOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 232 | gLock.unlock(); |
| 233 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 234 | if (af == 0) return PERMISSION_DENIED; |
| 235 | *samplingRate = af->sampleRate(output); |
| 236 | } else { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 237 | ALOGV("getOutputSamplingRate() reading from output desc"); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 238 | *samplingRate = outputDesc->samplingRate; |
| 239 | gLock.unlock(); |
| 240 | } |
| 241 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 242 | ALOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, *samplingRate); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 243 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 244 | return NO_ERROR; |
| 245 | } |
| 246 | |
Andreas Huber | 28ea013 | 2012-01-18 10:51:55 -0800 | [diff] [blame] | 247 | // DEPRECATED |
| 248 | status_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType) { |
| 249 | return getOutputFrameCount(frameCount, (audio_stream_type_t)streamType); |
| 250 | } |
| 251 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 252 | status_t AudioSystem::getOutputFrameCount(int* frameCount, audio_stream_type_t streamType) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 253 | { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 254 | OutputDescriptor *outputDesc; |
| 255 | audio_io_handle_t output; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 256 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 257 | if (streamType == AUDIO_STREAM_DEFAULT) { |
| 258 | streamType = AUDIO_STREAM_MUSIC; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 259 | } |
Eric Laurent | 3547cc0 | 2009-04-02 09:32:43 -0700 | [diff] [blame] | 260 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 261 | output = getOutput(streamType); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 262 | if (output == 0) { |
| 263 | return PERMISSION_DENIED; |
| 264 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 265 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 266 | gLock.lock(); |
| 267 | outputDesc = AudioSystem::gOutputs.valueFor(output); |
Glenn Kasten | 3694ec1 | 2012-01-27 16:47:15 -0800 | [diff] [blame] | 268 | if (outputDesc == NULL) { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 269 | gLock.unlock(); |
| 270 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 271 | if (af == 0) return PERMISSION_DENIED; |
| 272 | *frameCount = af->frameCount(output); |
| 273 | } else { |
| 274 | *frameCount = outputDesc->frameCount; |
| 275 | gLock.unlock(); |
| 276 | } |
| 277 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 278 | ALOGV("getOutputFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 279 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 280 | return NO_ERROR; |
| 281 | } |
| 282 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 283 | status_t AudioSystem::getOutputLatency(uint32_t* latency, audio_stream_type_t streamType) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 284 | { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 285 | OutputDescriptor *outputDesc; |
| 286 | audio_io_handle_t output; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 287 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 288 | if (streamType == AUDIO_STREAM_DEFAULT) { |
| 289 | streamType = AUDIO_STREAM_MUSIC; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 290 | } |
Eric Laurent | 3547cc0 | 2009-04-02 09:32:43 -0700 | [diff] [blame] | 291 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 292 | output = getOutput(streamType); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 293 | if (output == 0) { |
| 294 | return PERMISSION_DENIED; |
| 295 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 296 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 297 | gLock.lock(); |
| 298 | outputDesc = AudioSystem::gOutputs.valueFor(output); |
Glenn Kasten | 3694ec1 | 2012-01-27 16:47:15 -0800 | [diff] [blame] | 299 | if (outputDesc == NULL) { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 300 | gLock.unlock(); |
| 301 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 302 | if (af == 0) return PERMISSION_DENIED; |
| 303 | *latency = af->latency(output); |
| 304 | } else { |
| 305 | *latency = outputDesc->latency; |
| 306 | gLock.unlock(); |
| 307 | } |
| 308 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 309 | ALOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, *latency); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 310 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 311 | return NO_ERROR; |
| 312 | } |
| 313 | |
Glenn Kasten | 0a204ed | 2012-01-12 12:27:51 -0800 | [diff] [blame] | 314 | status_t AudioSystem::getInputBufferSize(uint32_t sampleRate, audio_format_t format, int channelCount, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 315 | size_t* buffSize) |
| 316 | { |
Glenn Kasten | 81801ad | 2012-01-10 09:01:19 -0800 | [diff] [blame] | 317 | gLock.lock(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 318 | // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values |
Glenn Kasten | 81801ad | 2012-01-10 09:01:19 -0800 | [diff] [blame] | 319 | size_t inBuffSize = gInBuffSize; |
| 320 | if ((inBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 321 | || (channelCount != gPrevInChannelCount)) { |
Glenn Kasten | 81801ad | 2012-01-10 09:01:19 -0800 | [diff] [blame] | 322 | gLock.unlock(); |
| 323 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 324 | if (af == 0) { |
| 325 | return PERMISSION_DENIED; |
| 326 | } |
| 327 | inBuffSize = af->getInputBufferSize(sampleRate, format, channelCount); |
| 328 | gLock.lock(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 329 | // save the request params |
| 330 | gPrevInSamplingRate = sampleRate; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 331 | gPrevInFormat = format; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 332 | gPrevInChannelCount = channelCount; |
| 333 | |
Glenn Kasten | 81801ad | 2012-01-10 09:01:19 -0800 | [diff] [blame] | 334 | gInBuffSize = inBuffSize; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 335 | } |
Glenn Kasten | 81801ad | 2012-01-10 09:01:19 -0800 | [diff] [blame] | 336 | gLock.unlock(); |
| 337 | *buffSize = inBuffSize; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 338 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 339 | return NO_ERROR; |
| 340 | } |
| 341 | |
Eric Laurent | 415f3e2 | 2009-10-21 08:14:22 -0700 | [diff] [blame] | 342 | status_t AudioSystem::setVoiceVolume(float value) |
| 343 | { |
| 344 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 345 | if (af == 0) return PERMISSION_DENIED; |
| 346 | return af->setVoiceVolume(value); |
| 347 | } |
| 348 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 349 | status_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, audio_stream_type_t stream) |
Eric Laurent | 0986e79 | 2010-01-19 17:37:09 -0800 | [diff] [blame] | 350 | { |
| 351 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 352 | if (af == 0) return PERMISSION_DENIED; |
| 353 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 354 | if (stream == AUDIO_STREAM_DEFAULT) { |
| 355 | stream = AUDIO_STREAM_MUSIC; |
Eric Laurent | 0986e79 | 2010-01-19 17:37:09 -0800 | [diff] [blame] | 356 | } |
| 357 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 358 | return af->getRenderPosition(halFrames, dspFrames, getOutput(stream)); |
Eric Laurent | 0986e79 | 2010-01-19 17:37:09 -0800 | [diff] [blame] | 359 | } |
| 360 | |
Eric Laurent | 47d0a92 | 2010-02-26 02:47:27 -0800 | [diff] [blame] | 361 | unsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) { |
| 362 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 363 | unsigned int result = 0; |
| 364 | if (af == 0) return result; |
Eric Laurent | ef9500f | 2010-03-11 14:47:00 -0800 | [diff] [blame] | 365 | if (ioHandle == 0) return result; |
Eric Laurent | 47d0a92 | 2010-02-26 02:47:27 -0800 | [diff] [blame] | 366 | |
| 367 | result = af->getInputFramesLost(ioHandle); |
| 368 | return result; |
| 369 | } |
| 370 | |
Eric Laurent | 65b6545 | 2010-06-01 23:49:17 -0700 | [diff] [blame] | 371 | int AudioSystem::newAudioSessionId() { |
| 372 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 373 | if (af == 0) return 0; |
| 374 | return af->newAudioSessionId(); |
| 375 | } |
| 376 | |
Marco Nelissen | c74b93f | 2011-08-02 13:33:41 -0700 | [diff] [blame] | 377 | void AudioSystem::acquireAudioSessionId(int audioSession) { |
| 378 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 379 | if (af != 0) { |
| 380 | af->acquireAudioSessionId(audioSession); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | void AudioSystem::releaseAudioSessionId(int audioSession) { |
| 385 | const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); |
| 386 | if (af != 0) { |
| 387 | af->releaseAudioSessionId(audioSession); |
| 388 | } |
| 389 | } |
| 390 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 391 | // --------------------------------------------------------------------------- |
| 392 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 393 | void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 394 | Mutex::Autolock _l(AudioSystem::gLock); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 395 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 396 | AudioSystem::gAudioFlinger.clear(); |
Eric Laurent | 787aa59 | 2010-01-25 10:27:15 -0800 | [diff] [blame] | 397 | // clear output handles and stream to output map caches |
| 398 | AudioSystem::gStreamOutputMap.clear(); |
| 399 | AudioSystem::gOutputs.clear(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 400 | |
| 401 | if (gAudioErrorCallback) { |
| 402 | gAudioErrorCallback(DEAD_OBJECT); |
| 403 | } |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 404 | ALOGW("AudioFlinger server died!"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 405 | } |
| 406 | |
Glenn Kasten | 39d00cb | 2012-01-17 11:09:42 -0800 | [diff] [blame] | 407 | void AudioSystem::AudioFlingerClient::ioConfigChanged(int event, audio_io_handle_t ioHandle, |
Glenn Kasten | ffed04a | 2012-03-01 09:14:51 -0800 | [diff] [blame] | 408 | const void *param2) { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 409 | ALOGV("ioConfigChanged() event %d", event); |
Glenn Kasten | ffed04a | 2012-03-01 09:14:51 -0800 | [diff] [blame] | 410 | const OutputDescriptor *desc; |
Glenn Kasten | b7cffb4 | 2012-01-20 09:37:45 -0800 | [diff] [blame] | 411 | audio_stream_type_t stream; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 412 | |
Eric Laurent | ddb78e7 | 2009-07-28 08:44:33 -0700 | [diff] [blame] | 413 | if (ioHandle == 0) return; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 414 | |
| 415 | Mutex::Autolock _l(AudioSystem::gLock); |
| 416 | |
| 417 | switch (event) { |
| 418 | case STREAM_CONFIG_CHANGED: |
Glenn Kasten | 3694ec1 | 2012-01-27 16:47:15 -0800 | [diff] [blame] | 419 | if (param2 == NULL) break; |
Glenn Kasten | ffed04a | 2012-03-01 09:14:51 -0800 | [diff] [blame] | 420 | stream = *(const audio_stream_type_t *)param2; |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 421 | ALOGV("ioConfigChanged() STREAM_CONFIG_CHANGED stream %d, output %d", stream, ioHandle); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 422 | if (gStreamOutputMap.indexOfKey(stream) >= 0) { |
| 423 | gStreamOutputMap.replaceValueFor(stream, ioHandle); |
| 424 | } |
| 425 | break; |
| 426 | case OUTPUT_OPENED: { |
| 427 | if (gOutputs.indexOfKey(ioHandle) >= 0) { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 428 | ALOGV("ioConfigChanged() opening already existing output! %d", ioHandle); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 429 | break; |
| 430 | } |
Glenn Kasten | 3694ec1 | 2012-01-27 16:47:15 -0800 | [diff] [blame] | 431 | if (param2 == NULL) break; |
Glenn Kasten | ffed04a | 2012-03-01 09:14:51 -0800 | [diff] [blame] | 432 | desc = (const OutputDescriptor *)param2; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 433 | |
| 434 | OutputDescriptor *outputDesc = new OutputDescriptor(*desc); |
| 435 | gOutputs.add(ioHandle, outputDesc); |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 436 | ALOGV("ioConfigChanged() new output samplingRate %d, format %d channels %d frameCount %d latency %d", |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 437 | outputDesc->samplingRate, outputDesc->format, outputDesc->channels, outputDesc->frameCount, outputDesc->latency); |
| 438 | } break; |
| 439 | case OUTPUT_CLOSED: { |
| 440 | if (gOutputs.indexOfKey(ioHandle) < 0) { |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 441 | ALOGW("ioConfigChanged() closing unknow output! %d", ioHandle); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 442 | break; |
| 443 | } |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 444 | ALOGV("ioConfigChanged() output %d closed", ioHandle); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 445 | |
| 446 | gOutputs.removeItem(ioHandle); |
| 447 | for (int i = gStreamOutputMap.size() - 1; i >= 0 ; i--) { |
| 448 | if (gStreamOutputMap.valueAt(i) == ioHandle) { |
| 449 | gStreamOutputMap.removeItemsAt(i); |
| 450 | } |
| 451 | } |
| 452 | } break; |
| 453 | |
| 454 | case OUTPUT_CONFIG_CHANGED: { |
| 455 | int index = gOutputs.indexOfKey(ioHandle); |
| 456 | if (index < 0) { |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 457 | ALOGW("ioConfigChanged() modifying unknow output! %d", ioHandle); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 458 | break; |
| 459 | } |
Glenn Kasten | 3694ec1 | 2012-01-27 16:47:15 -0800 | [diff] [blame] | 460 | if (param2 == NULL) break; |
Glenn Kasten | ffed04a | 2012-03-01 09:14:51 -0800 | [diff] [blame] | 461 | desc = (const OutputDescriptor *)param2; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 462 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 463 | ALOGV("ioConfigChanged() new config for output %d samplingRate %d, format %d channels %d frameCount %d latency %d", |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 464 | ioHandle, desc->samplingRate, desc->format, |
| 465 | desc->channels, desc->frameCount, desc->latency); |
| 466 | OutputDescriptor *outputDesc = gOutputs.valueAt(index); |
| 467 | delete outputDesc; |
| 468 | outputDesc = new OutputDescriptor(*desc); |
| 469 | gOutputs.replaceValueFor(ioHandle, outputDesc); |
| 470 | } break; |
| 471 | case INPUT_OPENED: |
| 472 | case INPUT_CLOSED: |
| 473 | case INPUT_CONFIG_CHANGED: |
| 474 | break; |
| 475 | |
| 476 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 477 | } |
| 478 | |
| 479 | void AudioSystem::setErrorCallback(audio_error_callback cb) { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 480 | Mutex::Autolock _l(gLock); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 481 | gAudioErrorCallback = cb; |
| 482 | } |
| 483 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 484 | bool AudioSystem::routedToA2dpOutput(audio_stream_type_t streamType) { |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame^] | 485 | switch (streamType) { |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 486 | case AUDIO_STREAM_MUSIC: |
| 487 | case AUDIO_STREAM_VOICE_CALL: |
| 488 | case AUDIO_STREAM_BLUETOOTH_SCO: |
| 489 | case AUDIO_STREAM_SYSTEM: |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 490 | return true; |
| 491 | default: |
| 492 | return false; |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 497 | // client singleton for AudioPolicyService binder interface |
| 498 | sp<IAudioPolicyService> AudioSystem::gAudioPolicyService; |
| 499 | sp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient; |
| 500 | |
| 501 | |
| 502 | // establish binder interface to AudioFlinger service |
| 503 | const sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service() |
| 504 | { |
| 505 | gLock.lock(); |
Glenn Kasten | 70ed6b7 | 2012-01-10 10:46:34 -0800 | [diff] [blame] | 506 | if (gAudioPolicyService == 0) { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 507 | sp<IServiceManager> sm = defaultServiceManager(); |
| 508 | sp<IBinder> binder; |
| 509 | do { |
| 510 | binder = sm->getService(String16("media.audio_policy")); |
| 511 | if (binder != 0) |
| 512 | break; |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 513 | ALOGW("AudioPolicyService not published, waiting..."); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 514 | usleep(500000); // 0.5 s |
Glenn Kasten | 18db49a | 2012-03-12 16:29:55 -0700 | [diff] [blame^] | 515 | } while (true); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 516 | if (gAudioPolicyServiceClient == NULL) { |
| 517 | gAudioPolicyServiceClient = new AudioPolicyServiceClient(); |
| 518 | } |
| 519 | binder->linkToDeath(gAudioPolicyServiceClient); |
| 520 | gAudioPolicyService = interface_cast<IAudioPolicyService>(binder); |
| 521 | gLock.unlock(); |
| 522 | } else { |
| 523 | gLock.unlock(); |
| 524 | } |
| 525 | return gAudioPolicyService; |
| 526 | } |
| 527 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 528 | status_t AudioSystem::setDeviceConnectionState(audio_devices_t device, |
| 529 | audio_policy_dev_state_t state, |
| 530 | const char *device_address) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 531 | { |
| 532 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
Eric Laurent | dca56b9 | 2011-09-02 14:20:56 -0700 | [diff] [blame] | 533 | const char *address = ""; |
| 534 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 535 | if (aps == 0) return PERMISSION_DENIED; |
| 536 | |
Eric Laurent | dca56b9 | 2011-09-02 14:20:56 -0700 | [diff] [blame] | 537 | if (device_address != NULL) { |
| 538 | address = device_address; |
| 539 | } |
| 540 | |
| 541 | return aps->setDeviceConnectionState(device, state, address); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 542 | } |
| 543 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 544 | audio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device, |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 545 | const char *device_address) |
| 546 | { |
| 547 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 548 | if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 549 | |
| 550 | return aps->getDeviceConnectionState(device, device_address); |
| 551 | } |
| 552 | |
Glenn Kasten | accb114 | 2012-01-04 11:00:47 -0800 | [diff] [blame] | 553 | status_t AudioSystem::setPhoneState(audio_mode_t state) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 554 | { |
Glenn Kasten | 8f397cd | 2012-01-18 14:58:32 -0800 | [diff] [blame] | 555 | if (uint32_t(state) >= AUDIO_MODE_CNT) return BAD_VALUE; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 556 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 557 | if (aps == 0) return PERMISSION_DENIED; |
| 558 | |
| 559 | return aps->setPhoneState(state); |
| 560 | } |
| 561 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 562 | status_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 563 | { |
| 564 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 565 | if (aps == 0) return PERMISSION_DENIED; |
| 566 | return aps->setForceUse(usage, config); |
| 567 | } |
| 568 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 569 | audio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 570 | { |
| 571 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 572 | if (aps == 0) return AUDIO_POLICY_FORCE_NONE; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 573 | return aps->getForceUse(usage); |
| 574 | } |
| 575 | |
| 576 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 577 | audio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream, |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 578 | uint32_t samplingRate, |
Glenn Kasten | 0a204ed | 2012-01-12 12:27:51 -0800 | [diff] [blame] | 579 | audio_format_t format, |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 580 | uint32_t channels, |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 581 | audio_policy_output_flags_t flags) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 582 | { |
Eric Laurent | ddb78e7 | 2009-07-28 08:44:33 -0700 | [diff] [blame] | 583 | audio_io_handle_t output = 0; |
Eric Laurent | ef9500f | 2010-03-11 14:47:00 -0800 | [diff] [blame] | 584 | // Do not use stream to output map cache if the direct output |
| 585 | // flag is set or if we are likely to use a direct output |
| 586 | // (e.g voice call stream @ 8kHz could use BT SCO device and be routed to |
| 587 | // a direct output on some platforms). |
| 588 | // TODO: the output cache and stream to output mapping implementation needs to |
| 589 | // be reworked for proper operation with direct outputs. This code is too specific |
| 590 | // to the first use case we want to cover (Voice Recognition and Voice Dialer over |
| 591 | // Bluetooth SCO |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 592 | if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0 && |
| 593 | ((stream != AUDIO_STREAM_VOICE_CALL && stream != AUDIO_STREAM_BLUETOOTH_SCO) || |
| 594 | channels != AUDIO_CHANNEL_OUT_MONO || |
Eric Laurent | ef9500f | 2010-03-11 14:47:00 -0800 | [diff] [blame] | 595 | (samplingRate != 8000 && samplingRate != 16000))) { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 596 | Mutex::Autolock _l(gLock); |
| 597 | output = AudioSystem::gStreamOutputMap.valueFor(stream); |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 598 | ALOGV_IF((output != 0), "getOutput() read %d from cache for stream %d", output, stream); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 599 | } |
Eric Laurent | ddb78e7 | 2009-07-28 08:44:33 -0700 | [diff] [blame] | 600 | if (output == 0) { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 601 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
Eric Laurent | ddb78e7 | 2009-07-28 08:44:33 -0700 | [diff] [blame] | 602 | if (aps == 0) return 0; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 603 | output = aps->getOutput(stream, samplingRate, format, channels, flags); |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 604 | if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0) { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 605 | Mutex::Autolock _l(gLock); |
| 606 | AudioSystem::gStreamOutputMap.add(stream, output); |
| 607 | } |
| 608 | } |
| 609 | return output; |
| 610 | } |
| 611 | |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 612 | status_t AudioSystem::startOutput(audio_io_handle_t output, |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 613 | audio_stream_type_t stream, |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 614 | int session) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 615 | { |
| 616 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 617 | if (aps == 0) return PERMISSION_DENIED; |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 618 | return aps->startOutput(output, stream, session); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 619 | } |
| 620 | |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 621 | status_t AudioSystem::stopOutput(audio_io_handle_t output, |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 622 | audio_stream_type_t stream, |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 623 | int session) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 624 | { |
| 625 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 626 | if (aps == 0) return PERMISSION_DENIED; |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 627 | return aps->stopOutput(output, stream, session); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 628 | } |
| 629 | |
| 630 | void AudioSystem::releaseOutput(audio_io_handle_t output) |
| 631 | { |
| 632 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 633 | if (aps == 0) return; |
| 634 | aps->releaseOutput(output); |
| 635 | } |
| 636 | |
Glenn Kasten | 0f0fbd9 | 2012-01-23 13:58:49 -0800 | [diff] [blame] | 637 | audio_io_handle_t AudioSystem::getInput(audio_source_t inputSource, |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 638 | uint32_t samplingRate, |
Glenn Kasten | 0a204ed | 2012-01-12 12:27:51 -0800 | [diff] [blame] | 639 | audio_format_t format, |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 640 | uint32_t channels, |
Eric Laurent | 464d5b3 | 2011-06-17 21:29:58 -0700 | [diff] [blame] | 641 | audio_in_acoustics_t acoustics, |
| 642 | int sessionId) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 643 | { |
| 644 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
Eric Laurent | ddb78e7 | 2009-07-28 08:44:33 -0700 | [diff] [blame] | 645 | if (aps == 0) return 0; |
Eric Laurent | 464d5b3 | 2011-06-17 21:29:58 -0700 | [diff] [blame] | 646 | return aps->getInput(inputSource, samplingRate, format, channels, acoustics, sessionId); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 647 | } |
| 648 | |
| 649 | status_t AudioSystem::startInput(audio_io_handle_t input) |
| 650 | { |
| 651 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 652 | if (aps == 0) return PERMISSION_DENIED; |
| 653 | return aps->startInput(input); |
| 654 | } |
| 655 | |
| 656 | status_t AudioSystem::stopInput(audio_io_handle_t input) |
| 657 | { |
| 658 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 659 | if (aps == 0) return PERMISSION_DENIED; |
| 660 | return aps->stopInput(input); |
| 661 | } |
| 662 | |
| 663 | void AudioSystem::releaseInput(audio_io_handle_t input) |
| 664 | { |
| 665 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 666 | if (aps == 0) return; |
| 667 | aps->releaseInput(input); |
| 668 | } |
| 669 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 670 | status_t AudioSystem::initStreamVolume(audio_stream_type_t stream, |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 671 | int indexMin, |
| 672 | int indexMax) |
| 673 | { |
| 674 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 675 | if (aps == 0) return PERMISSION_DENIED; |
| 676 | return aps->initStreamVolume(stream, indexMin, indexMax); |
| 677 | } |
| 678 | |
Eric Laurent | 9bc8358d | 2011-11-18 16:43:31 -0800 | [diff] [blame] | 679 | status_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, |
| 680 | int index, |
| 681 | audio_devices_t device) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 682 | { |
| 683 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 684 | if (aps == 0) return PERMISSION_DENIED; |
Eric Laurent | 9bc8358d | 2011-11-18 16:43:31 -0800 | [diff] [blame] | 685 | return aps->setStreamVolumeIndex(stream, index, device); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 686 | } |
| 687 | |
Eric Laurent | 9bc8358d | 2011-11-18 16:43:31 -0800 | [diff] [blame] | 688 | status_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, |
| 689 | int *index, |
| 690 | audio_devices_t device) |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 691 | { |
| 692 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 693 | if (aps == 0) return PERMISSION_DENIED; |
Eric Laurent | 9bc8358d | 2011-11-18 16:43:31 -0800 | [diff] [blame] | 694 | return aps->getStreamVolumeIndex(stream, index, device); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 695 | } |
| 696 | |
Dima Zavin | 24fc2fb | 2011-04-19 22:30:36 -0700 | [diff] [blame] | 697 | uint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream) |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 698 | { |
| 699 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 700 | if (aps == 0) return 0; |
| 701 | return aps->getStrategyForStream(stream); |
| 702 | } |
| 703 | |
Eric Laurent | c9ab9f5 | 2012-03-08 13:42:42 -0800 | [diff] [blame] | 704 | audio_devices_t AudioSystem::getDevicesForStream(audio_stream_type_t stream) |
Glenn Kasten | 8b4b97a | 2011-02-04 13:54:26 -0800 | [diff] [blame] | 705 | { |
| 706 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
Eric Laurent | c9ab9f5 | 2012-03-08 13:42:42 -0800 | [diff] [blame] | 707 | if (aps == 0) return (audio_devices_t)0; |
Glenn Kasten | 8b4b97a | 2011-02-04 13:54:26 -0800 | [diff] [blame] | 708 | return aps->getDevicesForStream(stream); |
| 709 | } |
| 710 | |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 711 | audio_io_handle_t AudioSystem::getOutputForEffect(effect_descriptor_t *desc) |
| 712 | { |
| 713 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 714 | if (aps == 0) return PERMISSION_DENIED; |
| 715 | return aps->getOutputForEffect(desc); |
| 716 | } |
| 717 | |
| 718 | status_t AudioSystem::registerEffect(effect_descriptor_t *desc, |
Eric Laurent | 464d5b3 | 2011-06-17 21:29:58 -0700 | [diff] [blame] | 719 | audio_io_handle_t io, |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 720 | uint32_t strategy, |
| 721 | int session, |
| 722 | int id) |
| 723 | { |
| 724 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 725 | if (aps == 0) return PERMISSION_DENIED; |
Eric Laurent | 464d5b3 | 2011-06-17 21:29:58 -0700 | [diff] [blame] | 726 | return aps->registerEffect(desc, io, strategy, session, id); |
Eric Laurent | 8ed6ed0 | 2010-07-13 04:45:46 -0700 | [diff] [blame] | 727 | } |
| 728 | |
| 729 | status_t AudioSystem::unregisterEffect(int id) |
| 730 | { |
| 731 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 732 | if (aps == 0) return PERMISSION_DENIED; |
| 733 | return aps->unregisterEffect(id); |
| 734 | } |
| 735 | |
Eric Laurent | 6752ec8 | 2011-08-10 10:37:50 -0700 | [diff] [blame] | 736 | status_t AudioSystem::setEffectEnabled(int id, bool enabled) |
| 737 | { |
| 738 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 739 | if (aps == 0) return PERMISSION_DENIED; |
| 740 | return aps->setEffectEnabled(id, enabled); |
| 741 | } |
| 742 | |
Glenn Kasten | bc1d77b | 2012-01-12 16:38:12 -0800 | [diff] [blame] | 743 | status_t AudioSystem::isStreamActive(audio_stream_type_t stream, bool* state, uint32_t inPastMs) |
Eric Laurent | 464d5b3 | 2011-06-17 21:29:58 -0700 | [diff] [blame] | 744 | { |
Eric Laurent | 25101b0 | 2011-02-02 09:33:30 -0800 | [diff] [blame] | 745 | const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); |
| 746 | if (aps == 0) return PERMISSION_DENIED; |
Eric Laurent | 464d5b3 | 2011-06-17 21:29:58 -0700 | [diff] [blame] | 747 | if (state == NULL) return BAD_VALUE; |
Eric Laurent | 25101b0 | 2011-02-02 09:33:30 -0800 | [diff] [blame] | 748 | *state = aps->isStreamActive(stream, inPastMs); |
| 749 | return NO_ERROR; |
| 750 | } |
| 751 | |
| 752 | |
Eric Laurent | 05ce094 | 2011-08-30 10:18:54 -0700 | [diff] [blame] | 753 | void AudioSystem::clearAudioConfigCache() |
| 754 | { |
| 755 | Mutex::Autolock _l(gLock); |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 756 | ALOGV("clearAudioConfigCache()"); |
Eric Laurent | 05ce094 | 2011-08-30 10:18:54 -0700 | [diff] [blame] | 757 | gStreamOutputMap.clear(); |
| 758 | gOutputs.clear(); |
| 759 | } |
| 760 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 761 | // --------------------------------------------------------------------------- |
| 762 | |
| 763 | void AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) { |
| 764 | Mutex::Autolock _l(AudioSystem::gLock); |
| 765 | AudioSystem::gAudioPolicyService.clear(); |
| 766 | |
Steve Block | 8564c8d | 2012-01-05 23:22:43 +0000 | [diff] [blame] | 767 | ALOGW("AudioPolicyService server died!"); |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 768 | } |
| 769 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 770 | }; // namespace android |