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author | notaz | 2013-01-05 00:55:59 +0200 |
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committer | notaz | 2013-01-05 04:06:39 +0200 |
commit | e34a4bd3b3eec3f95f5ce0cac1c4d47bf03a0409 (patch) | |
tree | b62d37a38d36a6bb2f87a01fdfe40412ebc4c06d | |
parent | 97e07db913cf94c05b338a86a0525476472fddb2 (diff) | |
download | pcsx_rearmed-e34a4bd3b3eec3f95f5ce0cac1c4d47bf03a0409.tar.gz pcsx_rearmed-e34a4bd3b3eec3f95f5ce0cac1c4d47bf03a0409.tar.bz2 pcsx_rearmed-e34a4bd3b3eec3f95f5ce0cac1c4d47bf03a0409.zip |
spu: check buffer state less often
-rw-r--r-- | plugins/dfsound/spu.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c index 9f91b8b..1456a21 100644 --- a/plugins/dfsound/spu.c +++ b/plugins/dfsound/spu.c @@ -689,25 +689,18 @@ static int do_samples(int forced_updates) int ch,d,silentch; int bIRQReturn=0; + // ok, at the beginning we are looking if there is + // enuff free place in the dsound/oss buffer to + // fill in new data, or if there is a new channel to start. + // if not, we return until enuff free place is available + // /a new channel gets started + + if(!forced_updates && out_current->busy()) // still enuff data in sound buffer? + return 0; + while(!bIRQReturn) { - // ok, at the beginning we are looking if there is - // enuff free place in the dsound/oss buffer to - // fill in new data, or if there is a new channel to start. - // if not, we wait (thread) or return (timer/spuasync) - // until enuff free place is available/a new channel gets - // started - - if(!forced_updates && out_current->busy()) // still enuff data in sound buffer? - { - return 0; - } - cycles_since_update = 0; - if(forced_updates > 0) - forced_updates--; - - //--------------------------------------------------// continue from irq handling in timer mode? ns_from=0; ns_to=NSSIZE; @@ -872,12 +865,21 @@ static int do_samples(int forced_updates) // feed the sound // wanna have around 1/60 sec (16.666 ms) updates - if (iCycle++ > 16/FRAG_MSECS) + if (iCycle++ >= 16/FRAG_MSECS) { - out_current->feed(pSpuBuffer, - ((unsigned char *)pS) - ((unsigned char *)pSpuBuffer)); + out_current->feed(pSpuBuffer, (unsigned char *)pS - pSpuBuffer); pS = (short *)pSpuBuffer; iCycle = 0; + + if(!forced_updates && out_current->busy()) + break; + } + + if(forced_updates > 0) + { + forced_updates--; + if(forced_updates == 0 && out_current->busy()) + break; } } |