Change stream reader to use actual chunk duration

e.g. a configured chunk_ms of 11 will read a 44.1kHz stream in chunks of 485 frames (=10.9977ms)
This commit is contained in:
badaix 2020-02-29 19:24:47 +01:00
parent 12f828ed43
commit a8998997e9
8 changed files with 45 additions and 33 deletions

View file

@ -119,23 +119,23 @@ void PosixStream::do_read()
{
first_ = false;
chronos::systemtimeofday(&tvEncodedChunk_);
nextTick_ = chronos::getTickCount() + buffer_ms_;
nextTick_ = std::chrono::steady_clock::now() + std::chrono::milliseconds(buffer_ms_);
}
encoder_->encode(chunk_.get());
nextTick_ += chunk_ms_;
long currentTick = chronos::getTickCount();
nextTick_ += chunk_->duration<std::chrono::nanoseconds>();
auto currentTick = std::chrono::steady_clock::now();
if (nextTick_ >= currentTick)
{
// synchronize reads to an interval of chunk_ms_
wait(read_timer_, std::chrono::milliseconds(nextTick_ - currentTick), [this] { do_read(); });
wait(read_timer_, nextTick_ - currentTick, [this] { do_read(); });
return;
}
else
{
// reading chunk_ms_ took longer than chunk_ms_
pcmListener_->onResync(this, currentTick - nextTick_);
nextTick_ = currentTick + buffer_ms_;
pcmListener_->onResync(this, std::chrono::duration_cast<std::chrono::milliseconds>(currentTick - nextTick_).count());
nextTick_ = currentTick + std::chrono::milliseconds(buffer_ms_);
first_ = true;
do_read();
}