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Diffstat (limited to 'services/audioflinger/A2dpAudioInterface.cpp')
| -rw-r--r-- | services/audioflinger/A2dpAudioInterface.cpp | 498 |
1 files changed, 0 insertions, 498 deletions
diff --git a/services/audioflinger/A2dpAudioInterface.cpp b/services/audioflinger/A2dpAudioInterface.cpp deleted file mode 100644 index d926cb1..0000000 --- a/services/audioflinger/A2dpAudioInterface.cpp +++ /dev/null @@ -1,498 +0,0 @@ -/* - * 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 <math.h> - -//#define LOG_NDEBUG 0 -#define LOG_TAG "A2dpAudioInterface" -#include <utils/Log.h> -#include <utils/String8.h> - -#include "A2dpAudioInterface.h" -#include "audio/liba2dp.h" -#include <hardware_legacy/power.h> - -namespace android { - -static const char *sA2dpWakeLock = "A2dpOutputStream"; -#define MAX_WRITE_RETRIES 5 - -// ---------------------------------------------------------------------------- - -//AudioHardwareInterface* A2dpAudioInterface::createA2dpInterface() -//{ -// AudioHardwareInterface* hw = 0; -// -// hw = AudioHardwareInterface::create(); -// LOGD("new A2dpAudioInterface(hw: %p)", hw); -// hw = new A2dpAudioInterface(hw); -// return hw; -//} - -A2dpAudioInterface::A2dpAudioInterface(AudioHardwareInterface* hw) : - mOutput(0), mHardwareInterface(hw), mBluetoothEnabled(true), mSuspended(false) -{ -} - -A2dpAudioInterface::~A2dpAudioInterface() -{ - closeOutputStream((AudioStreamOut *)mOutput); - delete mHardwareInterface; -} - -status_t A2dpAudioInterface::initCheck() -{ - if (mHardwareInterface == 0) return NO_INIT; - return mHardwareInterface->initCheck(); -} - -AudioStreamOut* A2dpAudioInterface::openOutputStream( - uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status) -{ - if (!AudioSystem::isA2dpDevice((AudioSystem::audio_devices)devices)) { - LOGV("A2dpAudioInterface::openOutputStream() open HW device: %x", devices); - return mHardwareInterface->openOutputStream(devices, format, channels, sampleRate, status); - } - - status_t err = 0; - - // only one output stream allowed - if (mOutput) { - if (status) - *status = -1; - return NULL; - } - - // create new output stream - A2dpAudioStreamOut* out = new A2dpAudioStreamOut(); - if ((err = out->set(devices, format, channels, sampleRate)) == NO_ERROR) { - mOutput = out; - mOutput->setBluetoothEnabled(mBluetoothEnabled); - mOutput->setSuspended(mSuspended); - } else { - delete out; - } - - if (status) - *status = err; - return mOutput; -} - -void A2dpAudioInterface::closeOutputStream(AudioStreamOut* out) { - if (mOutput == 0 || mOutput != out) { - mHardwareInterface->closeOutputStream(out); - } - else { - delete mOutput; - mOutput = 0; - } -} - - -AudioStreamIn* A2dpAudioInterface::openInputStream( - uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status, - AudioSystem::audio_in_acoustics acoustics) -{ - return mHardwareInterface->openInputStream(devices, format, channels, sampleRate, status, acoustics); -} - -void A2dpAudioInterface::closeInputStream(AudioStreamIn* in) -{ - return mHardwareInterface->closeInputStream(in); -} - -status_t A2dpAudioInterface::setMode(int mode) -{ - return mHardwareInterface->setMode(mode); -} - -status_t A2dpAudioInterface::setMicMute(bool state) -{ - return mHardwareInterface->setMicMute(state); -} - -status_t A2dpAudioInterface::getMicMute(bool* state) -{ - return mHardwareInterface->getMicMute(state); -} - -status_t A2dpAudioInterface::setParameters(const String8& keyValuePairs) -{ - AudioParameter param = AudioParameter(keyValuePairs); - String8 value; - String8 key; - status_t status = NO_ERROR; - - LOGV("setParameters() %s", keyValuePairs.string()); - - key = "bluetooth_enabled"; - if (param.get(key, value) == NO_ERROR) { - mBluetoothEnabled = (value == "true"); - if (mOutput) { - mOutput->setBluetoothEnabled(mBluetoothEnabled); - } - param.remove(key); - } - key = String8("A2dpSuspended"); - if (param.get(key, value) == NO_ERROR) { - mSuspended = (value == "true"); - if (mOutput) { - mOutput->setSuspended(mSuspended); - } - param.remove(key); - } - - if (param.size()) { - status_t hwStatus = mHardwareInterface->setParameters(param.toString()); - if (status == NO_ERROR) { - status = hwStatus; - } - } - - return status; -} - -String8 A2dpAudioInterface::getParameters(const String8& keys) -{ - AudioParameter param = AudioParameter(keys); - AudioParameter a2dpParam = AudioParameter(); - String8 value; - String8 key; - - key = "bluetooth_enabled"; - if (param.get(key, value) == NO_ERROR) { - value = mBluetoothEnabled ? "true" : "false"; - a2dpParam.add(key, value); - param.remove(key); - } - key = "A2dpSuspended"; - if (param.get(key, value) == NO_ERROR) { - value = mSuspended ? "true" : "false"; - a2dpParam.add(key, value); - param.remove(key); - } - - String8 keyValuePairs = a2dpParam.toString(); - - if (param.size()) { - if (keyValuePairs != "") { - keyValuePairs += ";"; - } - keyValuePairs += mHardwareInterface->getParameters(param.toString()); - } - - LOGV("getParameters() %s", keyValuePairs.string()); - return keyValuePairs; -} - -size_t A2dpAudioInterface::getInputBufferSize(uint32_t sampleRate, int format, int channelCount) -{ - return mHardwareInterface->getInputBufferSize(sampleRate, format, channelCount); -} - -status_t A2dpAudioInterface::setVoiceVolume(float v) -{ - return mHardwareInterface->setVoiceVolume(v); -} - -status_t A2dpAudioInterface::setMasterVolume(float v) -{ - return mHardwareInterface->setMasterVolume(v); -} - -status_t A2dpAudioInterface::dump(int fd, const Vector<String16>& args) -{ - return mHardwareInterface->dumpState(fd, args); -} - -// ---------------------------------------------------------------------------- - -A2dpAudioInterface::A2dpAudioStreamOut::A2dpAudioStreamOut() : - mFd(-1), mStandby(true), mStartCount(0), mRetryCount(0), mData(NULL), - // assume BT enabled to start, this is safe because its only the - // enabled->disabled transition we are worried about - mBluetoothEnabled(true), mDevice(0), mClosing(false), mSuspended(false) -{ - // use any address by default - strcpy(mA2dpAddress, "00:00:00:00:00:00"); - init(); -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::set( - uint32_t device, int *pFormat, uint32_t *pChannels, uint32_t *pRate) -{ - int lFormat = pFormat ? *pFormat : 0; - uint32_t lChannels = pChannels ? *pChannels : 0; - uint32_t lRate = pRate ? *pRate : 0; - - LOGD("A2dpAudioStreamOut::set %x, %d, %d, %d\n", device, lFormat, lChannels, lRate); - - // fix up defaults - if (lFormat == 0) lFormat = format(); - if (lChannels == 0) lChannels = channels(); - if (lRate == 0) lRate = sampleRate(); - - // check values - if ((lFormat != format()) || - (lChannels != channels()) || - (lRate != sampleRate())){ - if (pFormat) *pFormat = format(); - if (pChannels) *pChannels = channels(); - if (pRate) *pRate = sampleRate(); - return BAD_VALUE; - } - - if (pFormat) *pFormat = lFormat; - if (pChannels) *pChannels = lChannels; - if (pRate) *pRate = lRate; - - mDevice = device; - mBufferDurationUs = ((bufferSize() * 1000 )/ frameSize() / sampleRate()) * 1000; - return NO_ERROR; -} - -A2dpAudioInterface::A2dpAudioStreamOut::~A2dpAudioStreamOut() -{ - LOGV("A2dpAudioStreamOut destructor"); - close(); - LOGV("A2dpAudioStreamOut destructor returning from close()"); -} - -ssize_t A2dpAudioInterface::A2dpAudioStreamOut::write(const void* buffer, size_t bytes) -{ - status_t status = -1; - { - Mutex::Autolock lock(mLock); - - size_t remaining = bytes; - - if (!mBluetoothEnabled || mClosing || mSuspended) { - LOGV("A2dpAudioStreamOut::write(), but bluetooth disabled \ - mBluetoothEnabled %d, mClosing %d, mSuspended %d", - mBluetoothEnabled, mClosing, mSuspended); - goto Error; - } - - if (mStandby) { - acquire_wake_lock (PARTIAL_WAKE_LOCK, sA2dpWakeLock); - mStandby = false; - mLastWriteTime = systemTime(); - } - - status = init(); - if (status < 0) - goto Error; - - int retries = MAX_WRITE_RETRIES; - while (remaining > 0 && retries) { - status = a2dp_write(mData, buffer, remaining); - if (status < 0) { - LOGE("a2dp_write failed err: %d\n", status); - goto Error; - } - if (status == 0) { - retries--; - } - remaining -= status; - buffer = (char *)buffer + status; - } - - // if A2DP sink runs abnormally fast, sleep a little so that audioflinger mixer thread - // does no spin and starve other threads. - // NOTE: It is likely that the A2DP headset is being disconnected - nsecs_t now = systemTime(); - if ((uint32_t)ns2us(now - mLastWriteTime) < (mBufferDurationUs >> 2)) { - LOGV("A2DP sink runs too fast"); - usleep(mBufferDurationUs - (uint32_t)ns2us(now - mLastWriteTime)); - } - mLastWriteTime = now; - return bytes; - - } -Error: - - standby(); - - // Simulate audio output timing in case of error - usleep(mBufferDurationUs); - - return status; -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::init() -{ - if (!mData) { - status_t status = a2dp_init(44100, 2, &mData); - if (status < 0) { - LOGE("a2dp_init failed err: %d\n", status); - mData = NULL; - return status; - } - a2dp_set_sink(mData, mA2dpAddress); - } - - return 0; -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::standby() -{ - Mutex::Autolock lock(mLock); - return standby_l(); -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::standby_l() -{ - int result = NO_ERROR; - - if (!mStandby) { - LOGV_IF(mClosing || !mBluetoothEnabled, "Standby skip stop: closing %d enabled %d", - mClosing, mBluetoothEnabled); - if (!mClosing && mBluetoothEnabled) { - result = a2dp_stop(mData); - } - release_wake_lock(sA2dpWakeLock); - mStandby = true; - } - - return result; -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::setParameters(const String8& keyValuePairs) -{ - AudioParameter param = AudioParameter(keyValuePairs); - String8 value; - String8 key = String8("a2dp_sink_address"); - status_t status = NO_ERROR; - int device; - LOGV("A2dpAudioStreamOut::setParameters() %s", keyValuePairs.string()); - - if (param.get(key, value) == NO_ERROR) { - if (value.length() != strlen("00:00:00:00:00:00")) { - status = BAD_VALUE; - } else { - setAddress(value.string()); - } - param.remove(key); - } - key = String8("closing"); - if (param.get(key, value) == NO_ERROR) { - mClosing = (value == "true"); - if (mClosing) { - standby(); - } - param.remove(key); - } - key = AudioParameter::keyRouting; - if (param.getInt(key, device) == NO_ERROR) { - if (AudioSystem::isA2dpDevice((AudioSystem::audio_devices)device)) { - mDevice = device; - status = NO_ERROR; - } else { - status = BAD_VALUE; - } - param.remove(key); - } - - if (param.size()) { - status = BAD_VALUE; - } - return status; -} - -String8 A2dpAudioInterface::A2dpAudioStreamOut::getParameters(const String8& keys) -{ - AudioParameter param = AudioParameter(keys); - String8 value; - String8 key = String8("a2dp_sink_address"); - - if (param.get(key, value) == NO_ERROR) { - value = mA2dpAddress; - param.add(key, value); - } - key = AudioParameter::keyRouting; - if (param.get(key, value) == NO_ERROR) { - param.addInt(key, (int)mDevice); - } - - LOGV("A2dpAudioStreamOut::getParameters() %s", param.toString().string()); - return param.toString(); -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::setAddress(const char* address) -{ - Mutex::Autolock lock(mLock); - - if (strlen(address) != strlen("00:00:00:00:00:00")) - return -EINVAL; - - strcpy(mA2dpAddress, address); - if (mData) - a2dp_set_sink(mData, mA2dpAddress); - - return NO_ERROR; -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::setBluetoothEnabled(bool enabled) -{ - LOGD("setBluetoothEnabled %d", enabled); - - Mutex::Autolock lock(mLock); - - mBluetoothEnabled = enabled; - if (!enabled) { - return close_l(); - } - return NO_ERROR; -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::setSuspended(bool onOff) -{ - LOGV("setSuspended %d", onOff); - mSuspended = onOff; - standby(); - return NO_ERROR; -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::close() -{ - Mutex::Autolock lock(mLock); - LOGV("A2dpAudioStreamOut::close() calling close_l()"); - return close_l(); -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::close_l() -{ - standby_l(); - if (mData) { - LOGV("A2dpAudioStreamOut::close_l() calling a2dp_cleanup(mData)"); - a2dp_cleanup(mData); - mData = NULL; - } - return NO_ERROR; -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::dump(int fd, const Vector<String16>& args) -{ - return NO_ERROR; -} - -status_t A2dpAudioInterface::A2dpAudioStreamOut::getRenderPosition(uint32_t *driverFrames) -{ - //TODO: enable when supported by driver - return INVALID_OPERATION; -} - -}; // namespace android |