Merge "Fix routing not happening after change in output device list" into lmp-mr1-dev

1 files changed, 18 insertions, 0 deletions

diff --git a/services/audiopolicy/AudioPolicyManager.cpp b/services/audiopolicy/AudioPolicyManager.cpp
index 3fe0547..a3389e0 100644
--- a/services/audiopolicy/AudioPolicyManager.cpp
+++ b/services/audiopolicy/AudioPolicyManager.cpp
@@ -4055,6 +4055,24 @@ void AudioPolicyManager::checkOutputForStrategy(routing_strategy strategy)
     SortedVector<audio_io_handle_t> srcOutputs = getOutputsForDevice(oldDevice, mPreviousOutputs);
     SortedVector<audio_io_handle_t> dstOutputs = getOutputsForDevice(newDevice, mOutputs);
 
+    // also take into account external policy-related changes: add all outputs which are
+    // associated with policies in the "before" and "after" output vectors
+    ALOGVV("checkOutputForStrategy(): policy related outputs");
+    for (size_t i = 0 ; i < mPreviousOutputs.size() ; i++) {
+        const sp<AudioOutputDescriptor> desc = mPreviousOutputs.valueAt(i);
+        if (desc != 0 && desc->mPolicyMix != NULL) {
+            srcOutputs.add(desc->mIoHandle);
+            ALOGVV(" previous outputs: adding %d", desc->mIoHandle);
+        }
+    }
+    for (size_t i = 0 ; i < mOutputs.size() ; i++) {
+        const sp<AudioOutputDescriptor> desc = mOutputs.valueAt(i);
+        if (desc != 0 && desc->mPolicyMix != NULL) {
+            dstOutputs.add(desc->mIoHandle);
+            ALOGVV(" new outputs: adding %d", desc->mIoHandle);
+        }
+    }
+
     if (!vectorsEqual(srcOutputs,dstOutputs)) {
         ALOGV("checkOutputForStrategy() strategy %d, moving from output %d to output %d",
               strategy, srcOutputs[0], dstOutputs[0]);