Keep a copy of most recent audio played
Change-Id: I6b2f97881c39998a2fae9ab79d669af6c0a37e94
diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp
index df9ec8e..52effb2 100644
--- a/services/audioflinger/FastMixer.cpp
+++ b/services/audioflinger/FastMixer.cpp
@@ -77,6 +77,7 @@
bool isWarm = false; // true means ready to mix, false means wait for warmup before mixing
struct timespec measuredWarmupTs = {0, 0}; // how long did it take for warmup to complete
uint32_t warmupCycles = 0; // counter of number of loop cycles required to warmup
+ NBAIO_Sink* teeSink = NULL; // if non-NULL, then duplicate write() to this non-blocking sink
for (;;) {
@@ -106,6 +107,7 @@
// As soon as possible of learning of a new dump area, start using it
dumpState = next->mDumpState != NULL ? next->mDumpState : &dummyDumpState;
+ teeSink = next->mTeeSink;
// We want to always have a valid reference to the previous (non-idle) state.
// However, the state queue only guarantees access to current and previous states.
@@ -398,6 +400,9 @@
memset(mixBuffer, 0, frameCount * 2 * sizeof(short));
mixBufferState = ZEROED;
}
+ if (teeSink != NULL) {
+ (void) teeSink->write(mixBuffer, frameCount);
+ }
// FIXME write() is non-blocking and lock-free for a properly implemented NBAIO sink,
// but this code should be modified to handle both non-blocking and blocking sinks
dumpState->mWriteSequence++;