// A cheaper but less precise version of getBufferedDurationUs that we would like to use in
// LiveSession::dequeueAccessUnit to trigger downwards adaptation.
int64_t AnotherPacketSource::getEstimatedDurationUs() {
Mutex::Autolock autoLock(mLock);
if (mBuffers.empty()) {
return 0;
}
if (mQueuedDiscontinuityCount > 0) {
status_t finalResult;
return getBufferedDurationUs_l(&finalResult);
}
List<sp<ABuffer> >::iterator it = mBuffers.begin();
sp<ABuffer> buffer = *it;
int64_t startTimeUs;
buffer->meta()->findInt64("timeUs", &startTimeUs);
if (startTimeUs < 0) {
return 0;
}
it = mBuffers.end();
--it;
buffer = *it;
int64_t endTimeUs;
buffer->meta()->findInt64("timeUs", &endTimeUs);
if (endTimeUs < 0) {
return 0;
}
int64_t diffUs;
if (endTimeUs > startTimeUs) {
diffUs = endTimeUs - startTimeUs;
} else {
diffUs = startTimeUs - endTimeUs;
}
return diffUs;
}
int64_t AnotherPacketSource::getBufferedDurationUs(status_t *finalResult) {
Mutex::Autolock autoLock(mLock);
return getBufferedDurationUs_l(finalResult);
}
int64_t DirectRenderer::DecoderContext::getBufferedDurationUs() {
Mutex::Autolock autoLock(mLock);
return getBufferedDurationUs_l();
}
