Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 1 | /* AudioStreamOutALSA.cpp |
| 2 | ** |
| 3 | ** Copyright 2008-2009 Wind River Systems |
| 4 | ** Copyright (c) 2011, Code Aurora Forum. All rights reserved. |
| 5 | ** |
| 6 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | ** you may not use this file except in compliance with the License. |
| 8 | ** You may obtain a copy of the License at |
| 9 | ** |
| 10 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | ** |
| 12 | ** Unless required by applicable law or agreed to in writing, software |
| 13 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | ** See the License for the specific language governing permissions and |
| 16 | ** limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <stdarg.h> |
| 21 | #include <sys/stat.h> |
| 22 | #include <fcntl.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <unistd.h> |
| 25 | #include <dlfcn.h> |
| 26 | #include <math.h> |
| 27 | |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 28 | #define LOG_TAG "audio.primary.msm8960" |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 29 | //#define LOG_NDEBUG 0 |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 30 | #include <utils/Log.h> |
| 31 | #include <utils/String8.h> |
| 32 | |
| 33 | #include <cutils/properties.h> |
| 34 | #include <media/AudioRecord.h> |
| 35 | #include <hardware_legacy/power.h> |
| 36 | |
| 37 | #include "AudioHardwareALSA.h" |
| 38 | |
| 39 | #ifndef ALSA_DEFAULT_SAMPLE_RATE |
| 40 | #define ALSA_DEFAULT_SAMPLE_RATE 44100 // in Hz |
| 41 | #endif |
| 42 | |
| 43 | namespace android_audio_legacy |
| 44 | { |
| 45 | |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | |
| 48 | static const int DEFAULT_SAMPLE_RATE = ALSA_DEFAULT_SAMPLE_RATE; |
| 49 | |
| 50 | // ---------------------------------------------------------------------------- |
| 51 | |
| 52 | AudioStreamOutALSA::AudioStreamOutALSA(AudioHardwareALSA *parent, alsa_handle_t *handle) : |
| 53 | ALSAStreamOps(parent, handle), |
| 54 | mParent(parent), |
| 55 | mFrameCount(0) |
| 56 | { |
| 57 | } |
| 58 | |
| 59 | AudioStreamOutALSA::~AudioStreamOutALSA() |
| 60 | { |
| 61 | close(); |
| 62 | } |
| 63 | |
| 64 | uint32_t AudioStreamOutALSA::channels() const |
| 65 | { |
| 66 | int c = ALSAStreamOps::channels(); |
| 67 | return c; |
| 68 | } |
| 69 | |
| 70 | status_t AudioStreamOutALSA::setVolume(float left, float right) |
| 71 | { |
| 72 | int vol; |
| 73 | float volume; |
| 74 | status_t status = NO_ERROR; |
| 75 | |
| 76 | volume = (left + right) / 2; |
| 77 | if (volume < 0.0) { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 78 | ALOGW("AudioSessionOutALSA::setVolume(%f) under 0.0, assuming 0.0\n", volume); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 79 | volume = 0.0; |
| 80 | } else if (volume > 1.0) { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 81 | ALOGW("AudioSessionOutALSA::setVolume(%f) over 1.0, assuming 1.0\n", volume); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 82 | volume = 1.0; |
| 83 | } |
| 84 | vol = lrint((volume * 0x2000)+0.5); |
| 85 | |
| 86 | if(!strcmp(mHandle->useCase, SND_USE_CASE_VERB_HIFI_LOW_POWER) || |
| 87 | !strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_LPA)) { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 88 | ALOGD("setLpaVolume(%f)\n", volume); |
| 89 | ALOGD("Setting LPA volume to %d (available range is 0 to 100)\n", vol); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 90 | mHandle->module->setLpaVolume(vol); |
| 91 | return status; |
| 92 | } |
| 93 | else if(!strcmp(mHandle->useCase, SND_USE_CASE_VERB_HIFI_TUNNEL) || |
| 94 | !strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_TUNNEL)) { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 95 | ALOGD("setCompressedVolume(%f)\n", volume); |
| 96 | ALOGD("Setting Compressed volume to %d (available range is 0 to 100)\n", vol); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 97 | mHandle->module->setCompressedVolume(vol); |
| 98 | return status; |
| 99 | } |
| 100 | else if(!strncmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL, |
| 101 | sizeof(mHandle->useCase)) || !strncmp(mHandle->useCase, |
| 102 | SND_USE_CASE_MOD_PLAY_VOIP, sizeof(mHandle->useCase))) { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 103 | ALOGV("Avoid Software volume by returning success\n"); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 104 | return status; |
| 105 | } |
| 106 | return INVALID_OPERATION; |
| 107 | } |
| 108 | |
| 109 | ssize_t AudioStreamOutALSA::write(const void *buffer, size_t bytes) |
| 110 | { |
| 111 | int period_size; |
| 112 | char *use_case; |
| 113 | |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 114 | ALOGV("write:: buffer %p, bytes %d", buffer, bytes); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 115 | |
| 116 | snd_pcm_sframes_t n = 0; |
| 117 | size_t sent = 0; |
| 118 | status_t err; |
| 119 | |
| 120 | int write_pending = bytes; |
| 121 | |
| 122 | if((mHandle->handle == NULL) && (mHandle->rxHandle == NULL) && |
| 123 | (strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL)) && |
| 124 | (strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP))) { |
| 125 | mParent->mLock.lock(); |
| 126 | /* PCM handle might be closed and reopened immediately to flush |
| 127 | * the buffers, recheck and break if PCM handle is valid */ |
| 128 | if (mHandle->handle == NULL && mHandle->rxHandle == NULL) { |
| 129 | snd_use_case_get(mHandle->ucMgr, "_verb", (const char **)&use_case); |
| 130 | if ((use_case == NULL) || (!strcmp(use_case, SND_USE_CASE_VERB_INACTIVE))) { |
| 131 | if(!strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL)){ |
| 132 | strlcpy(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL,sizeof(mHandle->useCase)); |
| 133 | } |
| 134 | else { |
| 135 | strlcpy(mHandle->useCase, SND_USE_CASE_VERB_HIFI, sizeof(mHandle->useCase)); |
| 136 | } |
| 137 | } else { |
| 138 | if(!strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP)) { |
| 139 | strlcpy(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP,sizeof(mHandle->useCase)); |
| 140 | } else { |
| 141 | strlcpy(mHandle->useCase, SND_USE_CASE_MOD_PLAY_MUSIC, sizeof(mHandle->useCase)); |
| 142 | } |
| 143 | } |
| 144 | free(use_case); |
| 145 | if((!strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL)) || |
| 146 | (!strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP))) { |
| 147 | #if 0 |
| 148 | if((mDevices & AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET)|| |
| 149 | (mDevices & AudioSystem::DEVICE_OUT_DGTL_DOCK_HEADSET)|| |
| 150 | (mDevices & AudioSystem::DEVICE_OUT_PROXY)) { |
| 151 | mDevices |= AudioSystem::DEVICE_OUT_PROXY; |
| 152 | mHandle->module->route(mHandle, mDevices , mParent->mode()); |
| 153 | }else |
| 154 | #endif |
| 155 | { |
| 156 | mHandle->module->route(mHandle, mDevices , AudioSystem::MODE_IN_COMMUNICATION); |
| 157 | } |
| 158 | #if 0 |
| 159 | } else if((mDevices & AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET)|| |
| 160 | (mDevices & AudioSystem::DEVICE_OUT_DGTL_DOCK_HEADSET)|| |
| 161 | (mDevices & AudioSystem::DEVICE_OUT_PROXY)) { |
| 162 | mDevices |= AudioSystem::DEVICE_OUT_PROXY; |
| 163 | mHandle->module->route(mHandle, mDevices , mParent->mode()); |
| 164 | #endif |
| 165 | } else { |
| 166 | |
| 167 | mHandle->module->route(mHandle, mDevices , mParent->mode()); |
| 168 | } |
| 169 | if (!strcmp(mHandle->useCase, SND_USE_CASE_VERB_HIFI) || |
| 170 | !strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL)) { |
| 171 | snd_use_case_set(mHandle->ucMgr, "_verb", mHandle->useCase); |
| 172 | } else { |
| 173 | snd_use_case_set(mHandle->ucMgr, "_enamod", mHandle->useCase); |
| 174 | } |
| 175 | if((!strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL)) || |
| 176 | (!strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP))) { |
| 177 | err = mHandle->module->startVoipCall(mHandle); |
| 178 | } |
| 179 | else |
| 180 | mHandle->module->open(mHandle); |
| 181 | if(mHandle->handle == NULL) { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 182 | ALOGE("write:: device open failed"); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 183 | mParent->mLock.unlock(); |
| 184 | return 0; |
| 185 | } |
| 186 | #if 0 |
| 187 | if((mHandle->devices == AudioSystem::DEVICE_IN_ANLG_DOCK_HEADSET)|| |
| 188 | (mHandle->devices == AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET)){ |
| 189 | if((!strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL)) || |
| 190 | (!strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP))) { |
| 191 | mParent->musbPlaybackState |= USBPLAYBACKBIT_VOIPCALL; |
| 192 | } else { |
| 193 | mParent->startUsbPlaybackIfNotStarted(); |
| 194 | mParent->musbPlaybackState |= USBPLAYBACKBIT_MUSIC; |
| 195 | } |
| 196 | } |
| 197 | #endif |
| 198 | } |
| 199 | mParent->mLock.unlock(); |
| 200 | } |
| 201 | |
| 202 | if(((mDevices & AudioSystem::DEVICE_OUT_ANLG_DOCK_HEADSET) || |
| 203 | (mDevices & AudioSystem::DEVICE_OUT_DGTL_DOCK_HEADSET)) && |
| 204 | (!mParent->musbPlaybackState)) { |
| 205 | mParent->mLock.lock(); |
| 206 | mParent->startUsbPlaybackIfNotStarted(); |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 207 | ALOGD("Starting playback on USB"); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 208 | if(!strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL) || |
| 209 | !strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP)) { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 210 | ALOGE("Setting VOIPCALL bit here, musbPlaybackState %d", mParent->musbPlaybackState); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 211 | mParent->musbPlaybackState |= USBPLAYBACKBIT_VOIPCALL; |
| 212 | }else{ |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 213 | ALOGD("enabling music, musbPlaybackState: %d ", mParent->musbPlaybackState); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 214 | mParent->musbPlaybackState |= USBPLAYBACKBIT_MUSIC; |
| 215 | } |
| 216 | mParent->mLock.unlock(); |
| 217 | } |
| 218 | |
| 219 | period_size = mHandle->periodSize; |
| 220 | do { |
| 221 | if (write_pending < period_size) { |
| 222 | write_pending = period_size; |
| 223 | } |
| 224 | if((mParent->mVoipStreamCount) && (mHandle->rxHandle != 0)) { |
| 225 | n = pcm_write(mHandle->rxHandle, |
| 226 | (char *)buffer + sent, |
| 227 | period_size); |
| 228 | } else if (mHandle->handle != 0){ |
| 229 | n = pcm_write(mHandle->handle, |
| 230 | (char *)buffer + sent, |
| 231 | period_size); |
| 232 | } |
| 233 | if (n < 0) { |
| 234 | mParent->mLock.lock(); |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 235 | ALOGE("pcm_write returned error %d, trying to recover\n", n); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 236 | pcm_close(mHandle->handle); |
| 237 | mHandle->handle = NULL; |
| 238 | if((!strncmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL, strlen(SND_USE_CASE_VERB_IP_VOICECALL))) || |
| 239 | (!strncmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP, strlen(SND_USE_CASE_MOD_PLAY_VOIP)))) { |
| 240 | pcm_close(mHandle->rxHandle); |
| 241 | mHandle->rxHandle = NULL; |
| 242 | mHandle->module->startVoipCall(mHandle); |
| 243 | } |
| 244 | else |
| 245 | mHandle->module->open(mHandle); |
| 246 | mParent->mLock.unlock(); |
| 247 | continue; |
| 248 | } |
| 249 | else { |
| 250 | mFrameCount += n; |
| 251 | sent += static_cast<ssize_t>((period_size)); |
| 252 | write_pending -= period_size; |
| 253 | } |
| 254 | |
| 255 | } while ((mHandle->handle||(mHandle->rxHandle && mParent->mVoipStreamCount)) && sent < bytes); |
| 256 | |
| 257 | return sent; |
| 258 | } |
| 259 | |
| 260 | status_t AudioStreamOutALSA::dump(int fd, const Vector<String16>& args) |
| 261 | { |
| 262 | return NO_ERROR; |
| 263 | } |
| 264 | |
| 265 | status_t AudioStreamOutALSA::open(int mode) |
| 266 | { |
| 267 | Mutex::Autolock autoLock(mParent->mLock); |
| 268 | |
| 269 | return ALSAStreamOps::open(mode); |
| 270 | } |
| 271 | |
| 272 | status_t AudioStreamOutALSA::close() |
| 273 | { |
| 274 | Mutex::Autolock autoLock(mParent->mLock); |
| 275 | |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 276 | ALOGD("close"); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 277 | if((!strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL)) || |
| 278 | (!strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP))) { |
| 279 | if((mParent->mVoipStreamCount)) { |
| 280 | if(mParent->mVoipStreamCount == 1) { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 281 | ALOGD("Deregistering VOIP Call bit, musbPlaybackState:%d, musbRecordingState: %d", |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 282 | mParent->musbPlaybackState, mParent->musbRecordingState); |
| 283 | mParent->musbPlaybackState &= ~USBPLAYBACKBIT_VOIPCALL; |
| 284 | mParent->musbRecordingState &= ~USBRECBIT_VOIPCALL; |
| 285 | mParent->closeUsbPlaybackIfNothingActive(); |
| 286 | mParent->closeUsbRecordingIfNothingActive(); |
| 287 | } |
| 288 | return NO_ERROR; |
| 289 | } |
| 290 | mParent->mVoipStreamCount = 0; |
| 291 | mParent->mVoipMicMute = 0; |
| 292 | } else if((!strcmp(mHandle->useCase, SND_USE_CASE_VERB_HIFI_LOW_POWER)) || |
| 293 | (!strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_LPA))) { |
| 294 | mParent->musbPlaybackState &= ~USBPLAYBACKBIT_LPA; |
| 295 | } else { |
| 296 | mParent->musbPlaybackState &= ~USBPLAYBACKBIT_MUSIC; |
| 297 | } |
| 298 | |
| 299 | mParent->closeUsbPlaybackIfNothingActive(); |
| 300 | |
| 301 | ALSAStreamOps::close(); |
| 302 | |
| 303 | return NO_ERROR; |
| 304 | } |
| 305 | |
| 306 | status_t AudioStreamOutALSA::standby() |
| 307 | { |
| 308 | Mutex::Autolock autoLock(mParent->mLock); |
| 309 | |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 310 | ALOGD("standby"); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 311 | |
| 312 | if((!strcmp(mHandle->useCase, SND_USE_CASE_VERB_IP_VOICECALL)) || |
| 313 | (!strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_VOIP))) { |
| 314 | return NO_ERROR; |
| 315 | } |
| 316 | |
| 317 | if((!strcmp(mHandle->useCase, SND_USE_CASE_VERB_HIFI_LOW_POWER)) || |
| 318 | (!strcmp(mHandle->useCase, SND_USE_CASE_MOD_PLAY_LPA))) { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 319 | ALOGD("Deregistering LPA bit"); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 320 | mParent->musbPlaybackState &= ~USBPLAYBACKBIT_LPA; |
| 321 | } else { |
Iliyan Malchev | 4113f34 | 2012-06-11 14:39:47 -0700 | [diff] [blame^] | 322 | ALOGD("Deregistering MUSIC bit, musbPlaybackState: %d", mParent->musbPlaybackState); |
Iliyan Malchev | 4765c43 | 2012-06-11 14:36:16 -0700 | [diff] [blame] | 323 | mParent->musbPlaybackState &= ~USBPLAYBACKBIT_MUSIC; |
| 324 | } |
| 325 | |
| 326 | mHandle->module->standby(mHandle); |
| 327 | |
| 328 | mParent->closeUsbPlaybackIfNothingActive(); |
| 329 | |
| 330 | mFrameCount = 0; |
| 331 | |
| 332 | return NO_ERROR; |
| 333 | } |
| 334 | |
| 335 | #define USEC_TO_MSEC(x) ((x + 999) / 1000) |
| 336 | |
| 337 | uint32_t AudioStreamOutALSA::latency() const |
| 338 | { |
| 339 | // Android wants latency in milliseconds. |
| 340 | return USEC_TO_MSEC (mHandle->latency); |
| 341 | } |
| 342 | |
| 343 | // return the number of audio frames written by the audio dsp to DAC since |
| 344 | // the output has exited standby |
| 345 | status_t AudioStreamOutALSA::getRenderPosition(uint32_t *dspFrames) |
| 346 | { |
| 347 | *dspFrames = mFrameCount; |
| 348 | return NO_ERROR; |
| 349 | } |
| 350 | |
| 351 | } // namespace android_audio_legacy |