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Merge "audio: Prolong reading attempts from the remote submix pipe" into main

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Treehugger Robot
2024-07-22 18:08:07 +00:00
committed by Gerrit Code Review
parent 6bb0136d22 2be5078e25
commit 080d6b39ed
1 changed files with 6 additions and 3 deletions
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9
audio/aidl/default/r_submix/StreamRemoteSubmix.cpp
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@@ -285,9 +285,12 @@ size_t StreamRemoteSubmix::getStreamPipeSizeInFrames() {
char* buff = (char*)buffer;
size_t actuallyRead = 0;
long remainingFrames = frameCount;
const int64_t deadlineTimeNs =
::android::uptimeNanos() +
getDelayInUsForFrameCount(frameCount) * NANOS_PER_MICROSECOND / 2;
// Try to wait as long as possible for the audio duration, but leave some time for the call to
// 'transfer' to complete. 'kReadAttemptSleepUs' is a good constant for this purpose because it
// is by definition "strictly inferior" to the typical buffer duration.
const long durationUs =
std::max(0L, getDelayInUsForFrameCount(frameCount) - kReadAttemptSleepUs);
const int64_t deadlineTimeNs = ::android::uptimeNanos() + durationUs * NANOS_PER_MICROSECOND;
while (remainingFrames > 0) {
ssize_t framesRead = source->read(buff, remainingFrames);
LOG(VERBOSE) << __func__ << ": frames read " << framesRead;