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/FastMixer.cpp

diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp
index cdc27a2..13003d9 100644
--- a/services/audioflinger/FastMixer.cpp
+++ b/services/audioflinger/FastMixer.cpp
@@ -281,8 +281,9 @@
                     AudioBufferProvider *bufferProvider = fastTrack->mBufferProvider;
                     ALOG_ASSERT(bufferProvider != NULL && fastTrackNames[i] == -1);
                     if (mixer != NULL) {
-                        // calling getTrackName with default channel mask
-                        name = mixer->getTrackName(AUDIO_CHANNEL_OUT_STEREO);
+                        // calling getTrackName with default channel mask and a random invalid
+                        //   sessionId (no effects here)
+                        name = mixer->getTrackName(AUDIO_CHANNEL_OUT_STEREO, -555);
                         ALOG_ASSERT(name >= 0);
                         fastTrackNames[i] = name;
                         mixer->setBufferProvider(name, bufferProvider);