auto import from //branches/cupcake/...@131421

1 files changed, 71 insertions, 32 deletions

diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index cf91105..63dfc3b 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -20,7 +20,6 @@
 #include <utils/Log.h>
 #include <utils/IServiceManager.h>
 #include <media/AudioSystem.h>
-#include <media/AudioTrack.h>
 #include <math.h>
 
 namespace android {
@@ -31,9 +30,10 @@ sp<IAudioFlinger> AudioSystem::gAudioFlinger;
 sp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient;
 audio_error_callback AudioSystem::gAudioErrorCallback = NULL;
 // Cached values
-int AudioSystem::gOutSamplingRate = 0;
-int AudioSystem::gOutFrameCount = 0;
-uint32_t AudioSystem::gOutLatency = 0;
+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;
@@ -66,9 +66,12 @@ const sp<IAudioFlinger>& AudioSystem::get_audio_flinger()
         gAudioFlinger = interface_cast<IAudioFlinger>(binder);
         gAudioFlinger->registerClient(gAudioFlingerClient);
         // Cache frequently accessed parameters 
-        gOutFrameCount = (int)gAudioFlinger->frameCount();
-        gOutSamplingRate = (int)gAudioFlinger->sampleRate();
-        gOutLatency = gAudioFlinger->latency();
+        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;
@@ -147,7 +150,7 @@ status_t AudioSystem::getMasterMute(bool* mute)
 
 status_t AudioSystem::setStreamVolume(int stream, float value)
 {
-    if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) return BAD_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);
@@ -156,7 +159,7 @@ status_t AudioSystem::setStreamVolume(int stream, float value)
 
 status_t AudioSystem::setStreamMute(int stream, bool mute)
 {
-    if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) return BAD_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->setStreamMute(stream, mute);
@@ -165,7 +168,7 @@ status_t AudioSystem::setStreamMute(int stream, bool mute)
 
 status_t AudioSystem::getStreamVolume(int stream, float* volume)
 {
-    if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) return BAD_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;
     *volume = af->streamVolume(stream);
@@ -174,7 +177,7 @@ status_t AudioSystem::getStreamVolume(int stream, float* volume)
 
 status_t AudioSystem::getStreamMute(int stream, bool* mute)
 {
-    if (uint32_t(stream) >= AudioTrack::NUM_STREAM_TYPES) return BAD_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;
     *mute = af->streamMute(stream);
@@ -252,37 +255,48 @@ int AudioSystem::logToLinear(float volume)
     return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0;
 }
 
-status_t AudioSystem::getOutputSamplingRate(int* samplingRate)
+status_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType)
 {
-    if (gOutSamplingRate == 0) {
+    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()
     }
-    *samplingRate = gOutSamplingRate;
+    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)
+status_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType)
 {
-    if (gOutFrameCount == 0) {
+    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()
     }
-    *frameCount = gOutFrameCount;
+    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)
+status_t AudioSystem::getOutputLatency(uint32_t* latency, int streamType)
 {
-    if (gOutLatency == 0) {
+    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()
-    }    
-    *latency = gOutLatency;
+    }
+    LOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, gOutLatency[output]);
+
+    *latency = gOutLatency[output];
     
     return NO_ERROR;
 }
@@ -315,24 +329,23 @@ status_t AudioSystem::getInputBufferSize(uint32_t sampleRate, int format, int ch
 void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) {   
     Mutex::Autolock _l(AudioSystem::gLock);
     AudioSystem::gAudioFlinger.clear();
-    AudioSystem::gOutSamplingRate = 0;
-    AudioSystem::gOutFrameCount = 0;
-    AudioSystem::gOutLatency = 0;
+
+    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::audioOutputChanged(uint32_t frameCount, uint32_t samplingRate, uint32_t latency) {
-
-    AudioSystem::gOutFrameCount = frameCount;
-    AudioSystem::gOutSamplingRate = samplingRate;
-    AudioSystem::gOutLatency = latency;
-
-    LOGV("AudioFlinger output changed!");
+void AudioSystem::AudioFlingerClient::a2dpEnabledChanged(bool enabled) {
+    gA2dpEnabled = enabled;        
+    LOGV("AudioFlinger A2DP enabled status changed! %d", enabled);
 }
 
 void AudioSystem::setErrorCallback(audio_error_callback cb) {
@@ -340,5 +353,31 @@ void AudioSystem::setErrorCallback(audio_error_callback cb) {
     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