QB64/QB64-PE
QB64/QB64-PE
1
1
Fork 0
mirror of https://github.com/QB64-Phoenix-Edition/QB64pe.git synced 2024-07-06 19:50:22 +00:00
Code Issues Releases Wiki Activity

Change blockSampleFrames for reduced latency

Browse source
This commit is contained in:
Samuel Gomes 2022-11-11 18:50:59 +05:30
parent 2a5e2e8add
commit 7c2f709b7e
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
internal/c/parts/audio/audio.cpp
View file

@ -208,10 +208,10 @@ struct SampleFrameBlockQueue {
maEngine = pmaEngine; // Save the pointer to the ma_engine object (this should come from the QBPE sound engine)
sampleRate = ma_engine_get_sample_rate(maEngine); // Save the sample rate
// We can get away with '>> 3' because the sound loop function is called @ ~60Hz
// We can get away with '>> 4' because the sound loop function is called @ ~60Hz
// This should work even on entry level systems. Tested on AMD A6-9200 (230.4 GFLOPS), Crostini Linux
// Also note that the nodes will allocates twice this to account for 2 channels
blockSampleFrames = sampleRate >> 3;
blockSampleFrames = sampleRate >> 4;
bufferSampleFrames = blockSampleFrames * 2; // We want the playback buffer twice the size of a block to do a proper ping-pong
buffer = new float[bufferSampleFrames * 2](); // Allocate a zeroed float buffer of bufferSizeSampleFrames * 2 floats (2 is for 2 channels - stereo)