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Diffstat (limited to 'services/audioflinger/AudioHardwareGeneric.cpp')
| -rw-r--r-- | services/audioflinger/AudioHardwareGeneric.cpp | 411 |
1 files changed, 0 insertions, 411 deletions
diff --git a/services/audioflinger/AudioHardwareGeneric.cpp b/services/audioflinger/AudioHardwareGeneric.cpp deleted file mode 100644 index d63c031..0000000 --- a/services/audioflinger/AudioHardwareGeneric.cpp +++ /dev/null @@ -1,411 +0,0 @@ -/* -** -** Copyright 2007, 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 <stdint.h> -#include <sys/types.h> - -#include <stdlib.h> -#include <stdio.h> -#include <unistd.h> -#include <sched.h> -#include <fcntl.h> -#include <sys/ioctl.h> - -#define LOG_TAG "AudioHardware" -#include <utils/Log.h> -#include <utils/String8.h> - -#include "AudioHardwareGeneric.h" -#include <media/AudioRecord.h> - -namespace android { - -// ---------------------------------------------------------------------------- - -static char const * const kAudioDeviceName = "/dev/eac"; - -// ---------------------------------------------------------------------------- - -AudioHardwareGeneric::AudioHardwareGeneric() - : mOutput(0), mInput(0), mFd(-1), mMicMute(false) -{ - mFd = ::open(kAudioDeviceName, O_RDWR); -} - -AudioHardwareGeneric::~AudioHardwareGeneric() -{ - if (mFd >= 0) ::close(mFd); - closeOutputStream((AudioStreamOut *)mOutput); - closeInputStream((AudioStreamIn *)mInput); -} - -status_t AudioHardwareGeneric::initCheck() -{ - if (mFd >= 0) { - if (::access(kAudioDeviceName, O_RDWR) == NO_ERROR) - return NO_ERROR; - } - return NO_INIT; -} - -AudioStreamOut* AudioHardwareGeneric::openOutputStream( - uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, status_t *status) -{ - AutoMutex lock(mLock); - - // only one output stream allowed - if (mOutput) { - if (status) { - *status = INVALID_OPERATION; - } - return 0; - } - - // create new output stream - AudioStreamOutGeneric* out = new AudioStreamOutGeneric(); - status_t lStatus = out->set(this, mFd, devices, format, channels, sampleRate); - if (status) { - *status = lStatus; - } - if (lStatus == NO_ERROR) { - mOutput = out; - } else { - delete out; - } - return mOutput; -} - -void AudioHardwareGeneric::closeOutputStream(AudioStreamOut* out) { - if (mOutput && out == mOutput) { - delete mOutput; - mOutput = 0; - } -} - -AudioStreamIn* AudioHardwareGeneric::openInputStream( - uint32_t devices, int *format, uint32_t *channels, uint32_t *sampleRate, - status_t *status, AudioSystem::audio_in_acoustics acoustics) -{ - // check for valid input source - if (!AudioSystem::isInputDevice((AudioSystem::audio_devices)devices)) { - return 0; - } - - AutoMutex lock(mLock); - - // only one input stream allowed - if (mInput) { - if (status) { - *status = INVALID_OPERATION; - } - return 0; - } - - // create new output stream - AudioStreamInGeneric* in = new AudioStreamInGeneric(); - status_t lStatus = in->set(this, mFd, devices, format, channels, sampleRate, acoustics); - if (status) { - *status = lStatus; - } - if (lStatus == NO_ERROR) { - mInput = in; - } else { - delete in; - } - return mInput; -} - -void AudioHardwareGeneric::closeInputStream(AudioStreamIn* in) { - if (mInput && in == mInput) { - delete mInput; - mInput = 0; - } -} - -status_t AudioHardwareGeneric::setVoiceVolume(float v) -{ - // Implement: set voice volume - return NO_ERROR; -} - -status_t AudioHardwareGeneric::setMasterVolume(float v) -{ - // Implement: set master volume - // return error - software mixer will handle it - return INVALID_OPERATION; -} - -status_t AudioHardwareGeneric::setMicMute(bool state) -{ - mMicMute = state; - return NO_ERROR; -} - -status_t AudioHardwareGeneric::getMicMute(bool* state) -{ - *state = mMicMute; - return NO_ERROR; -} - -status_t AudioHardwareGeneric::dumpInternals(int fd, const Vector<String16>& args) -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - result.append("AudioHardwareGeneric::dumpInternals\n"); - snprintf(buffer, SIZE, "\tmFd: %d mMicMute: %s\n", mFd, mMicMute? "true": "false"); - result.append(buffer); - ::write(fd, result.string(), result.size()); - return NO_ERROR; -} - -status_t AudioHardwareGeneric::dump(int fd, const Vector<String16>& args) -{ - dumpInternals(fd, args); - if (mInput) { - mInput->dump(fd, args); - } - if (mOutput) { - mOutput->dump(fd, args); - } - return NO_ERROR; -} - -// ---------------------------------------------------------------------------- - -status_t AudioStreamOutGeneric::set( - AudioHardwareGeneric *hw, - int fd, - uint32_t devices, - 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; - - // 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; - - mAudioHardware = hw; - mFd = fd; - mDevice = devices; - return NO_ERROR; -} - -AudioStreamOutGeneric::~AudioStreamOutGeneric() -{ -} - -ssize_t AudioStreamOutGeneric::write(const void* buffer, size_t bytes) -{ - Mutex::Autolock _l(mLock); - return ssize_t(::write(mFd, buffer, bytes)); -} - -status_t AudioStreamOutGeneric::standby() -{ - // Implement: audio hardware to standby mode - return NO_ERROR; -} - -status_t AudioStreamOutGeneric::dump(int fd, const Vector<String16>& args) -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - snprintf(buffer, SIZE, "AudioStreamOutGeneric::dump\n"); - result.append(buffer); - snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate()); - result.append(buffer); - snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize()); - result.append(buffer); - snprintf(buffer, SIZE, "\tchannels: %d\n", channels()); - result.append(buffer); - snprintf(buffer, SIZE, "\tformat: %d\n", format()); - result.append(buffer); - snprintf(buffer, SIZE, "\tdevice: %d\n", mDevice); - result.append(buffer); - snprintf(buffer, SIZE, "\tmAudioHardware: %p\n", mAudioHardware); - result.append(buffer); - snprintf(buffer, SIZE, "\tmFd: %d\n", mFd); - result.append(buffer); - ::write(fd, result.string(), result.size()); - return NO_ERROR; -} - -status_t AudioStreamOutGeneric::setParameters(const String8& keyValuePairs) -{ - AudioParameter param = AudioParameter(keyValuePairs); - String8 key = String8(AudioParameter::keyRouting); - status_t status = NO_ERROR; - int device; - LOGV("setParameters() %s", keyValuePairs.string()); - - if (param.getInt(key, device) == NO_ERROR) { - mDevice = device; - param.remove(key); - } - - if (param.size()) { - status = BAD_VALUE; - } - return status; -} - -String8 AudioStreamOutGeneric::getParameters(const String8& keys) -{ - AudioParameter param = AudioParameter(keys); - String8 value; - String8 key = String8(AudioParameter::keyRouting); - - if (param.get(key, value) == NO_ERROR) { - param.addInt(key, (int)mDevice); - } - - LOGV("getParameters() %s", param.toString().string()); - return param.toString(); -} - -status_t AudioStreamOutGeneric::getRenderPosition(uint32_t *dspFrames) -{ - return INVALID_OPERATION; -} - -// ---------------------------------------------------------------------------- - -// record functions -status_t AudioStreamInGeneric::set( - AudioHardwareGeneric *hw, - int fd, - uint32_t devices, - int *pFormat, - uint32_t *pChannels, - uint32_t *pRate, - AudioSystem::audio_in_acoustics acoustics) -{ - if (pFormat == 0 || pChannels == 0 || pRate == 0) return BAD_VALUE; - LOGV("AudioStreamInGeneric::set(%p, %d, %d, %d, %u)", hw, fd, *pFormat, *pChannels, *pRate); - // check values - if ((*pFormat != format()) || - (*pChannels != channels()) || - (*pRate != sampleRate())) { - LOGE("Error opening input channel"); - *pFormat = format(); - *pChannels = channels(); - *pRate = sampleRate(); - return BAD_VALUE; - } - - mAudioHardware = hw; - mFd = fd; - mDevice = devices; - return NO_ERROR; -} - -AudioStreamInGeneric::~AudioStreamInGeneric() -{ -} - -ssize_t AudioStreamInGeneric::read(void* buffer, ssize_t bytes) -{ - AutoMutex lock(mLock); - if (mFd < 0) { - LOGE("Attempt to read from unopened device"); - return NO_INIT; - } - return ::read(mFd, buffer, bytes); -} - -status_t AudioStreamInGeneric::dump(int fd, const Vector<String16>& args) -{ - const size_t SIZE = 256; - char buffer[SIZE]; - String8 result; - snprintf(buffer, SIZE, "AudioStreamInGeneric::dump\n"); - result.append(buffer); - snprintf(buffer, SIZE, "\tsample rate: %d\n", sampleRate()); - result.append(buffer); - snprintf(buffer, SIZE, "\tbuffer size: %d\n", bufferSize()); - result.append(buffer); - snprintf(buffer, SIZE, "\tchannels: %d\n", channels()); - result.append(buffer); - snprintf(buffer, SIZE, "\tformat: %d\n", format()); - result.append(buffer); - snprintf(buffer, SIZE, "\tdevice: %d\n", mDevice); - result.append(buffer); - snprintf(buffer, SIZE, "\tmAudioHardware: %p\n", mAudioHardware); - result.append(buffer); - snprintf(buffer, SIZE, "\tmFd: %d\n", mFd); - result.append(buffer); - ::write(fd, result.string(), result.size()); - return NO_ERROR; -} - -status_t AudioStreamInGeneric::setParameters(const String8& keyValuePairs) -{ - AudioParameter param = AudioParameter(keyValuePairs); - String8 key = String8(AudioParameter::keyRouting); - status_t status = NO_ERROR; - int device; - LOGV("setParameters() %s", keyValuePairs.string()); - - if (param.getInt(key, device) == NO_ERROR) { - mDevice = device; - param.remove(key); - } - - if (param.size()) { - status = BAD_VALUE; - } - return status; -} - -String8 AudioStreamInGeneric::getParameters(const String8& keys) -{ - AudioParameter param = AudioParameter(keys); - String8 value; - String8 key = String8(AudioParameter::keyRouting); - - if (param.get(key, value) == NO_ERROR) { - param.addInt(key, (int)mDevice); - } - - LOGV("getParameters() %s", param.toString().string()); - return param.toString(); -} - -// ---------------------------------------------------------------------------- - -}; // namespace android |