diff options
| -rw-r--r-- | applause.c | 17 |
1 files changed, 16 insertions, 1 deletions
@@ -169,6 +169,14 @@ l_Stream_play(lua_State *L) /* the tick generator function should now be on top of the stack */ luaL_checktype(L, -1, LUA_TFUNCTION); + /* + * Perform garbage collection cycle and turn it off + * temporarily. This improves the realtime properties + * of the sample generation loop below. + */ + lua_gc(L, LUA_GCCOLLECT, 0); + lua_gc(L, LUA_GCSTOP, 0); + for (;;) { jack_default_audio_sample_t sample; @@ -183,7 +191,12 @@ l_Stream_play(lua_State *L) break; /* copy sample into ring buffer */ - sample = (jack_default_audio_sample_t)luaL_checknumber(L, -1); + /* + * FIXME: What if sample isn't a number. This + * should be handled. But don't forget to restart + * the garbage collector + */ + sample = (jack_default_audio_sample_t)lua_tonumber(L, -1); /* * FIXME: Buffer may be full -- perhaps we should wait on a * semaphore @@ -194,6 +207,8 @@ l_Stream_play(lua_State *L) lua_pop(L, 1); } + lua_gc(L, LUA_GCRESTART, 0); + /* any remaining stack elements are automatically popped */ return 0; } |