audioflinger: increase shared memory heap size
Bug: 21093153.
Change-Id: I389af11451b01ce49fdb8957e2f322ba1925a62e
(cherry picked from commit da73b6c7474aaa5616f0214e238776f12717f32b)
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 9ec5802..fab1ef5 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1352,12 +1352,16 @@
AudioFlinger::Client::Client(const sp<AudioFlinger>& audioFlinger, pid_t pid)
: RefBase(),
mAudioFlinger(audioFlinger),
- // FIXME should be a "k" constant not hard-coded, in .h or ro. property, see 4 lines below
- mMemoryDealer(new MemoryDealer(1024*1024, "AudioFlinger::Client")),
mPid(pid),
mTimedTrackCount(0)
{
- // 1 MB of address space is good for 32 tracks, 8 buffers each, 4 KB/buffer
+ size_t heapSize = kClientSharedHeapSizeBytes;
+ // Increase heap size on non low ram devices to limit risk of reconnection failure for
+ // invalidated tracks
+ if (!audioFlinger->isLowRamDevice()) {
+ heapSize *= kClientSharedHeapSizeMultiplier;
+ }
+ mMemoryDealer = new MemoryDealer(heapSize, "AudioFlinger::Client");
}
// Client destructor must be called with AudioFlinger::mClientLock held
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 20c34ef..08fa70d 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -88,6 +88,12 @@
static const nsecs_t kDefaultStandbyTimeInNsecs = seconds(3);
+
+// Max shared memory size for audio tracks and audio records per client process
+static const size_t kClientSharedHeapSizeBytes = 1024*1024;
+// Shared memory size multiplier for non low ram devices
+static const size_t kClientSharedHeapSizeMultiplier = 4;
+
#define INCLUDING_FROM_AUDIOFLINGER_H
class AudioFlinger :
@@ -423,7 +429,7 @@
Client(const Client&);
Client& operator = (const Client&);
const sp<AudioFlinger> mAudioFlinger;
- const sp<MemoryDealer> mMemoryDealer;
+ sp<MemoryDealer> mMemoryDealer;
const pid_t mPid;
Mutex mTimedTrackLock;