void
AudioNodeStream::CheckForInactive()
{
if (((mActiveInputCount > 0 || mEngine->IsActive()) &&
!mMarkAsFinishedAfterThisBlock) ||
!mIsActive) {
return;
}
mIsActive = false;
mInputChunks.Clear(); // not required for foreseeable future
for (auto& chunk : mLastChunks) {
chunk.SetNull(WEBAUDIO_BLOCK_SIZE);
}
if (!(mFlags & EXTERNAL_OUTPUT)) {
GraphImpl()->IncrementSuspendCount(this);
}
if (IsAudioParamStream()) {
return;
}
for (const auto& consumer : mConsumers) {
AudioNodeStream* ns = consumer->GetDestination()->AsAudioNodeStream();
if (ns) {
ns->DecrementActiveInputCount();
}
}
}
void
AudioNodeStream::SetActive()
{
if (mIsActive || mMarkAsFinishedAfterThisBlock) {
return;
}
mIsActive = true;
if (IsAudioParamStream()) {
// Consumers merely influence stream order.
// They do not read from the stream.
return;
}
for (const auto& consumer : mConsumers) {
AudioNodeStream* ns = consumer->GetDestination()->AsAudioNodeStream();
if (ns) {
ns->IncrementActiveInputCount();
}
}
}
