1 files changed, 0 insertions, 383 deletions
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
deleted file mode 100644
index 63dfc3b..0000000
--- a/media/libmedia/AudioSystem.cpp
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * Copyright (C) 2006-2007 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.
- */
-
-#define LOG_TAG "AudioSystem"
-//#define LOG_NDEBUG 0
-
-#include <utils/Log.h>
-#include <utils/IServiceManager.h>
-#include <media/AudioSystem.h>
-#include <math.h>
-
-namespace android {
-
-// client singleton for AudioFlinger binder interface
-Mutex AudioSystem::gLock;
-sp<IAudioFlinger> AudioSystem::gAudioFlinger;
-sp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient;
-audio_error_callback AudioSystem::gAudioErrorCallback = NULL;
-// Cached values
-int AudioSystem::gOutSamplingRate[NUM_AUDIO_OUTPUT_TYPES];
-int AudioSystem::gOutFrameCount[NUM_AUDIO_OUTPUT_TYPES];
-uint32_t AudioSystem::gOutLatency[NUM_AUDIO_OUTPUT_TYPES];
-bool AudioSystem::gA2dpEnabled;
-// Cached values for recording queries
-uint32_t AudioSystem::gPrevInSamplingRate = 16000;
-int AudioSystem::gPrevInFormat = AudioSystem::PCM_16_BIT;
-int AudioSystem::gPrevInChannelCount = 1;
-size_t AudioSystem::gInBuffSize = 0;
-
-
-// establish binder interface to AudioFlinger service
-const sp<IAudioFlinger>& AudioSystem::get_audio_flinger()
-{
-    Mutex::Autolock _l(gLock);
-    if (gAudioFlinger.get() == 0) {
-        sp<IServiceManager> sm = defaultServiceManager();
-        sp<IBinder> binder;
-        do {
-            binder = sm->getService(String16("media.audio_flinger"));
-            if (binder != 0)
-                break;
-            LOGW("AudioFlinger not published, waiting...");
-            usleep(500000); // 0.5 s
-        } while(true);
-        if (gAudioFlingerClient == NULL) {
-            gAudioFlingerClient = new AudioFlingerClient();
-        } else {
-            if (gAudioErrorCallback) {
-                gAudioErrorCallback(NO_ERROR);
-            }
-         }
-        binder->linkToDeath(gAudioFlingerClient);
-        gAudioFlinger = interface_cast<IAudioFlinger>(binder);
-        gAudioFlinger->registerClient(gAudioFlingerClient);
-        // Cache frequently accessed parameters 
-        for (int output = 0; output < NUM_AUDIO_OUTPUT_TYPES; output++) {
-            gOutFrameCount[output] = (int)gAudioFlinger->frameCount(output);
-            gOutSamplingRate[output] = (int)gAudioFlinger->sampleRate(output);
-            gOutLatency[output] = gAudioFlinger->latency(output);
-        }
-        gA2dpEnabled = gAudioFlinger->isA2dpEnabled();
-    }
-    LOGE_IF(gAudioFlinger==0, "no AudioFlinger!?");
-    return gAudioFlinger;
-}
-
-// routing helper functions
-status_t AudioSystem::speakerphone(bool state) {
-    uint32_t routes = state ? ROUTE_SPEAKER : ROUTE_EARPIECE;
-    return setRouting(MODE_IN_CALL, routes, ROUTE_ALL);
-}
-
-status_t AudioSystem::isSpeakerphoneOn(bool* state) {
-    uint32_t routes = 0;
-    status_t s = getRouting(MODE_IN_CALL, &routes);
-    *state = !!(routes & ROUTE_SPEAKER);
-    return s;
-}
-
-status_t AudioSystem::bluetoothSco(bool state) {
-    uint32_t mask = ROUTE_BLUETOOTH_SCO;
-    uint32_t routes = state ? mask : ROUTE_EARPIECE;
-    return setRouting(MODE_IN_CALL, routes, ROUTE_ALL);
-}
-
-status_t AudioSystem::isBluetoothScoOn(bool* state) {
-    uint32_t routes = 0;
-    status_t s = getRouting(MODE_IN_CALL, &routes);
-    *state = !!(routes & ROUTE_BLUETOOTH_SCO);
-    return s;
-}
-
-status_t AudioSystem::muteMicrophone(bool state) {
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    return af->setMicMute(state);
-}
-
-status_t AudioSystem::isMicrophoneMuted(bool* state) {
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    *state = af->getMicMute();
-    return NO_ERROR;
-}
-
-status_t AudioSystem::setMasterVolume(float value)
-{
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    af->setMasterVolume(value);
-    return NO_ERROR;
-}
-
-status_t AudioSystem::setMasterMute(bool mute)
-{
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    af->setMasterMute(mute);
-    return NO_ERROR;
-}
-
-status_t AudioSystem::getMasterVolume(float* volume)
-{
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    *volume = af->masterVolume();
-    return NO_ERROR;
-}
-
-status_t AudioSystem::getMasterMute(bool* mute)
-{
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    *mute = af->masterMute();
-    return NO_ERROR;
-}
-
-status_t AudioSystem::setStreamVolume(int stream, float value)
-{
-    if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE;
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    af->setStreamVolume(stream, value);
-    return NO_ERROR;
-}
-
-status_t AudioSystem::setStreamMute(int stream, bool mute)
-{
-    if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE;
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    af->setStreamMute(stream, mute);
-    return NO_ERROR;
-}
-
-status_t AudioSystem::getStreamVolume(int stream, float* volume)
-{
-    if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE;
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    *volume = af->streamVolume(stream);
-    return NO_ERROR;
-}
-
-status_t AudioSystem::getStreamMute(int stream, bool* mute)
-{
-    if (uint32_t(stream) >= NUM_STREAM_TYPES) return BAD_VALUE;
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    *mute = af->streamMute(stream);
-    return NO_ERROR;
-}
-
-status_t AudioSystem::setMode(int mode)
-{
-    if (mode >= NUM_MODES) return BAD_VALUE;
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    return af->setMode(mode);
-}
-
-status_t AudioSystem::getMode(int* mode)
-{
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    *mode = af->getMode();
-    return NO_ERROR;
-}
-
-status_t AudioSystem::setRouting(int mode, uint32_t routes, uint32_t mask)
-{
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    return af->setRouting(mode, routes, mask);
-}
-
-status_t AudioSystem::getRouting(int mode, uint32_t* routes)
-{
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    uint32_t r = af->getRouting(mode);
-    *routes = r;
-    return NO_ERROR;
-}
-
-status_t AudioSystem::isMusicActive(bool* state) {
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    *state = af->isMusicActive();
-    return NO_ERROR;
-}
-
-// Temporary interface, do not use
-// TODO: Replace with a more generic key:value get/set mechanism
-status_t AudioSystem::setParameter(const char* key, const char* value) {
-    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-    if (af == 0) return PERMISSION_DENIED;
-    return af->setParameter(key, value);
-}
-
-// convert volume steps to natural log scale
-
-// change this value to change volume scaling
-static const float dBPerStep = 0.5f;
-// shouldn't need to touch these
-static const float dBConvert = -dBPerStep * 2.302585093f / 20.0f;
-static const float dBConvertInverse = 1.0f / dBConvert;
-
-float AudioSystem::linearToLog(int volume)
-{
-    // float v = volume ? exp(float(100 - volume) * dBConvert) : 0;
-    // LOGD("linearToLog(%d)=%f", volume, v);
-    // return v;
-    return volume ? exp(float(100 - volume) * dBConvert) : 0;
-}
-
-int AudioSystem::logToLinear(float volume)
-{
-    // int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0;
-    // LOGD("logTolinear(%d)=%f", v, volume);
-    // return v;
-    return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0;
-}
-
-status_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType)
-{
-    int output = getOutput(streamType);
-
-    if (gOutSamplingRate[output] == 0) {
-        const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-        if (af == 0) return PERMISSION_DENIED;
-        // gOutSamplingRate is updated by get_audio_flinger()
-    }
-    LOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, gOutSamplingRate[output]);
-    *samplingRate = gOutSamplingRate[output];
-    
-    return NO_ERROR;
-}
-
-status_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType)
-{
-    int output = getOutput(streamType);
-
-    if (gOutFrameCount[output] == 0) {
-        const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-        if (af == 0) return PERMISSION_DENIED;
-        // gOutFrameCount is updated by get_audio_flinger()
-    }
-    LOGV("getOutputFrameCount() streamType %d, output %d, frame count %d", streamType, output, gOutFrameCount[output]);
-
-    *frameCount = gOutFrameCount[output];
-    return NO_ERROR;
-}
-
-status_t AudioSystem::getOutputLatency(uint32_t* latency, int streamType)
-{
-    int output = getOutput(streamType);
-
-    if (gOutLatency[output] == 0) {
-        const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-        if (af == 0) return PERMISSION_DENIED;
-        // gOutLatency is updated by get_audio_flinger()
-    }
-    LOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, gOutLatency[output]);
-
-    *latency = gOutLatency[output];
-    
-    return NO_ERROR;
-}
-
-status_t AudioSystem::getInputBufferSize(uint32_t sampleRate, int format, int channelCount, 
-    size_t* buffSize)
-{
-    // Do we have a stale gInBufferSize or are we requesting the input buffer size for new values
-    if ((gInBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat) 
-        || (channelCount != gPrevInChannelCount)) {
-        // save the request params
-        gPrevInSamplingRate = sampleRate;
-        gPrevInFormat = format; 
-        gPrevInChannelCount = channelCount;
-
-        gInBuffSize = 0;
-        const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
-        if (af == 0) {
-            return PERMISSION_DENIED;
-        }
-        gInBuffSize = af->getInputBufferSize(sampleRate, format, channelCount);
-    } 
-    *buffSize = gInBuffSize;
-    
-    return NO_ERROR;
-}
-
-// ---------------------------------------------------------------------------
-
-void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) {   
-    Mutex::Autolock _l(AudioSystem::gLock);
-    AudioSystem::gAudioFlinger.clear();
-
-    for (int output = 0; output < NUM_AUDIO_OUTPUT_TYPES; output++) {
-        gOutFrameCount[output] = 0;
-        gOutSamplingRate[output] = 0;
-        gOutLatency[output] = 0;
-    }
-    AudioSystem::gInBuffSize = 0;
-
-    if (gAudioErrorCallback) {
-        gAudioErrorCallback(DEAD_OBJECT);
-    }
-    LOGW("AudioFlinger server died!");
-}
-
-void AudioSystem::AudioFlingerClient::a2dpEnabledChanged(bool enabled) {
-    gA2dpEnabled = enabled;        
-    LOGV("AudioFlinger A2DP enabled status changed! %d", enabled);
-}
-
-void AudioSystem::setErrorCallback(audio_error_callback cb) {
-    Mutex::Autolock _l(AudioSystem::gLock);
-    gAudioErrorCallback = cb;
-}
-
-int AudioSystem::getOutput(int streamType)
-{  
-    if (streamType == DEFAULT) {
-        streamType = MUSIC;
-    }
-    if (gA2dpEnabled && routedToA2dpOutput(streamType)) {
-        return AUDIO_OUTPUT_A2DP;
-    } else {
-        return AUDIO_OUTPUT_HARDWARE;
-    }
-}
-
-bool AudioSystem::routedToA2dpOutput(int streamType) {
-    switch(streamType) {
-    case MUSIC:
-    case VOICE_CALL:
-    case BLUETOOTH_SCO:
-    case SYSTEM:
-        return true;
-    default:
-        return false;
-    }
-}
-
-
-
-}; // namespace android
-