diff options
| -rw-r--r-- | applause.lua | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/applause.lua b/applause.lua index 94fd998..163d9e9 100644 --- a/applause.lua +++ b/applause.lua @@ -401,16 +401,16 @@ function Stream:play() jit.on(true, true) jit.on(tick, true) - -- Perform garbage collection cycle and turn it off - -- temporarily. This improves the realtime properties - -- of the sample generation loop below. - -- FIXME: Since stopping the garbage collector here - -- (in the Lua/C code this did not happen!?), memory - -- consumption increases constantly. Perhaps it is a - -- good idea to tweak garbage collection during the - -- generator loop. + -- Perform garbage collection cycle and tweak it + -- to be more realtime friendly. + -- FIXME: Since every stream that does not lag will have + -- times when it is idle, it may be clever to stop the + -- garbage collector and step it manually whenever + -- the Jack sample queue is full. However, how to guarantee + -- that we step it fast enough to prevent leaks? collectgarbage("collect") - collectgarbage("stop") + local old_pause = collectgarbage("setpause", 100) + local old_stepmul = collectgarbage("setstepmul", 100) local state repeat @@ -433,7 +433,8 @@ function Stream:play() end until state == C.APPLAUSE_AUDIO_INTERRUPTED - collectgarbage("restart") + collectgarbage("setpause", old_pause) + collectgarbage("setstepmul", old_stepmul) if state == C.APPLAUSE_AUDIO_INTERRUPTED then error("SIGINT received", 2) |