commit fe3156ec6fd9fa57dde913fd8567530d095a6550
author Jean-Michel Trivi <jmtrivi@google.com> Mon Sep 10 18:58:27 2012 -0700
committer Jean-Michel Trivi <jmtrivi@google.com> Mon Sep 10 18:58:27 2012 -0700
tree 2c4b8250d0089a7d9f396d40005f4fefd95f46f3
parent 66765846726c02db16a0f024f2217990a90802c0

Communicate audio session ID to downmixer

The audio downmixer effect might need the audio session Id, pass it
 from the track creation in AudioFlinger to the downmix effect
 creation in AudioMixer.

Change-Id: I5e29540542ae89cf4a0cdb537b3e67f04442a20a

services/audioflinger/AudioFlinger.cpp

diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index a5d4c6c..27e2ed2 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -3383,9 +3383,9 @@
 }
 
 // getTrackName_l() must be called with ThreadBase::mLock held
-int AudioFlinger::MixerThread::getTrackName_l(audio_channel_mask_t channelMask)
+int AudioFlinger::MixerThread::getTrackName_l(audio_channel_mask_t channelMask, int sessionId)
 {
-    return mAudioMixer->getTrackName(channelMask);
+    return mAudioMixer->getTrackName(channelMask, sessionId);
 }
 
 // deleteTrackName_l() must be called with ThreadBase::mLock held
@@ -3498,7 +3498,7 @@
                 readOutputParameters();
                 mAudioMixer = new AudioMixer(mNormalFrameCount, mSampleRate);
                 for (size_t i = 0; i < mTracks.size() ; i++) {
-                    int name = getTrackName_l(mTracks[i]->mChannelMask);
+                    int name = getTrackName_l(mTracks[i]->mChannelMask, mTracks[i]->mSessionId);
                     if (name < 0) break;
                     mTracks[i]->mName = name;
                     // limit track sample rate to 2 x new output sample rate
@@ -3828,7 +3828,8 @@
 }
 
 // getTrackName_l() must be called with ThreadBase::mLock held
-int AudioFlinger::DirectOutputThread::getTrackName_l(audio_channel_mask_t channelMask)
+int AudioFlinger::DirectOutputThread::getTrackName_l(audio_channel_mask_t channelMask,
+        int sessionId)
 {
     return 0;
 }
@@ -4293,7 +4294,7 @@
         // 16 bit because data is converted to 16 bit before being stored in buffer by AudioTrack
         mCblk->frameSize = audio_is_linear_pcm(format) ? mChannelCount * sizeof(int16_t) : sizeof(uint8_t);
         // to avoid leaking a track name, do not allocate one unless there is an mCblk
-        mName = thread->getTrackName_l(channelMask);
+        mName = thread->getTrackName_l(channelMask, sessionId);
         mCblk->mName = mName;
         if (mName < 0) {
             ALOGE("no more track names available");