policy_hal: Reject offload path for AV streaming usecase

-Currently offload path is being used for AV streaming usecase.
-This sometime results in framedrop/glitch as video rendering
 is getting delayed due to delay in filling audio compress buffer.
-Disable compress offload for AV streaming usecase. With AV streaming
 usecase will be via PCM offload path.

Change-Id: I799ee43f17975b33e37b94e222c4ce41f36bbc96

1 files changed, 8 insertions, 0 deletions

diff --git a/policy_hal/AudioPolicyManager.cpp b/policy_hal/AudioPolicyManager.cpp
index c5b2e8e2..601f12ec 100644
--- a/policy_hal/AudioPolicyManager.cpp
+++ b/policy_hal/AudioPolicyManager.cpp
@@ -459,6 +459,14 @@ bool AudioPolicyManagerCustom::isOffloadSupported(const audio_offload_info_t& of
             ALOGV("isOffloadSupported: has_video == true, returning false");
             return false;
         }
+
+        const bool allowOffloadStreamingWithVideo = property_get_bool("av.streaming.offload.enable",
+                                                                   false /*default value*/);
+        if(offloadInfo.has_video && offloadInfo.is_streaming && !allowOffloadStreamingWithVideo) {
+            ALOGW("offload disabled by av.streaming.offload.enable = %s ", propValue );
+            return false;
+        }
+
     }
 
     //If duration is less than minimum value defined in property, return false