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Commit 6aa0a310 authored by Mikhail Naganov's avatar Mikhail Naganov
Browse files

audio: Allow higher downstream latency 

Increase allowed downstream latency to 5 seconds.

Sometimes software patch might cause >1 second of latency.

Bug: 63901775
Test: MSD prototype
Change-Id: Ie111fa8b87bc7694ef787c6c4b1deca81bda2abb
parent 158ce419

services/audioflinger/Threads.cpp

+6 −3
Original line number Diff line number Diff line
@@ -3220,13 +3220,16 @@ bool AudioFlinger::PlaybackThread::threadLoop() 
                }

                if (status == OK) {

                    // verify downstream latency (we assume a max reasonable

                    // latency of 1 second).

                    if (latencyMs >= 0. && latencyMs <= 1000.) {

                    // latency of 5 seconds).

                    const double minLatency = 0., maxLatency = 5000.;

                    if (latencyMs >= minLatency && latencyMs <= maxLatency) {

                        ALOGV("new downstream latency %lf ms", latencyMs);

                        downstreamLatencyStatMs.add(latencyMs);

                    } else {

                        ALOGD("out of range downstream latency %lf ms", latencyMs);

                        if (latencyMs < minLatency) latencyMs = minLatency;

                        else if (latencyMs > maxLatency) latencyMs = maxLatency;

                    }

                    downstreamLatencyStatMs.add(latencyMs);

                }

                mAudioFlinger->mLock.unlock();

            }