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Diffstat (limited to 'libs/audioflinger/AudioHardwareGeneric.cpp')
-rw-r--r--libs/audioflinger/AudioHardwareGeneric.cpp313
1 files changed, 0 insertions, 313 deletions
diff --git a/libs/audioflinger/AudioHardwareGeneric.cpp b/libs/audioflinger/AudioHardwareGeneric.cpp
deleted file mode 100644
index 62beada..0000000
--- a/libs/audioflinger/AudioHardwareGeneric.cpp
+++ /dev/null
@@ -1,313 +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"
-
-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);
- delete mOutput;
- delete mInput;
-}
-
-status_t AudioHardwareGeneric::initCheck()
-{
- if (mFd >= 0) {
- if (::access(kAudioDeviceName, O_RDWR) == NO_ERROR)
- return NO_ERROR;
- }
- return NO_INIT;
-}
-
-AudioStreamOut* AudioHardwareGeneric::openOutputStream(
- int format, int channelCount, 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, format, channelCount, sampleRate);
- if (status) {
- *status = lStatus;
- }
- if (lStatus == NO_ERROR) {
- mOutput = out;
- } else {
- delete out;
- }
- return mOutput;
-}
-
-void AudioHardwareGeneric::closeOutputStream(AudioStreamOutGeneric* out) {
- if (out == mOutput) mOutput = 0;
-}
-
-AudioStreamIn* AudioHardwareGeneric::openInputStream(
- int format, int channelCount, uint32_t sampleRate, status_t *status,
- AudioSystem::audio_in_acoustics acoustics)
-{
- 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, format, channelCount, sampleRate, acoustics);
- if (status) {
- *status = lStatus;
- }
- if (lStatus == NO_ERROR) {
- mInput = in;
- } else {
- delete in;
- }
- return mInput;
-}
-
-void AudioHardwareGeneric::closeInputStream(AudioStreamInGeneric* in) {
- if (in == 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,
- int format,
- int channels,
- uint32_t rate)
-{
- // fix up defaults
- if (format == 0) format = AudioSystem::PCM_16_BIT;
- if (channels == 0) channels = channelCount();
- if (rate == 0) rate = sampleRate();
-
- // check values
- if ((format != AudioSystem::PCM_16_BIT) ||
- (channels != channelCount()) ||
- (rate != sampleRate()))
- return BAD_VALUE;
-
- mAudioHardware = hw;
- mFd = fd;
- return NO_ERROR;
-}
-
-AudioStreamOutGeneric::~AudioStreamOutGeneric()
-{
- if (mAudioHardware)
- mAudioHardware->closeOutputStream(this);
-}
-
-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, "\tchannel count: %d\n", channelCount());
- result.append(buffer);
- snprintf(buffer, SIZE, "\tformat: %d\n", format());
- 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;
-}
-
-// ----------------------------------------------------------------------------
-
-// record functions
-status_t AudioStreamInGeneric::set(
- AudioHardwareGeneric *hw,
- int fd,
- int format,
- int channels,
- uint32_t rate,
- AudioSystem::audio_in_acoustics acoustics)
-{
- // FIXME: remove logging
- LOGD("AudioStreamInGeneric::set(%p, %d, %d, %d, %u)", hw, fd, format, channels, rate);
- // check values
- if ((format != AudioSystem::PCM_16_BIT) ||
- (channels != channelCount()) ||
- (rate != sampleRate())) {
- LOGE("Error opening input channel");
- return BAD_VALUE;
- }
-
- mAudioHardware = hw;
- mFd = fd;
- return NO_ERROR;
-}
-
-AudioStreamInGeneric::~AudioStreamInGeneric()
-{
- // FIXME: remove logging
- LOGD("AudioStreamInGeneric destructor");
- if (mAudioHardware)
- mAudioHardware->closeInputStream(this);
-}
-
-ssize_t AudioStreamInGeneric::read(void* buffer, ssize_t bytes)
-{
- // FIXME: remove logging
- LOGD("AudioStreamInGeneric::read(%p, %d) from fd %d", buffer, bytes, mFd);
- 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, "\tchannel count: %d\n", channelCount());
- result.append(buffer);
- snprintf(buffer, SIZE, "\tformat: %d\n", format());
- 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;
-}
-
-// ----------------------------------------------------------------------------
-
-}; // namespace android
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