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Sound System Rework: Phase 1

Browse Source 
. Fixed Sample Rate for DSP
  (Now if your CPU is capable to run game at 100%, you will get pure sound without buzz or static noise)

. Fixed Sample Rate for AI
  (Now if your CPU is capable to run game at 100%, you will get sync'ed video and audio)

. Fixed Backend list for DSPLLE

. Improved Aduio DMA a bit
  (There might be a completely redesign in following phases)

WARNING: The whole rework will take time to complete.
This commit is compilable, but could be unstable.
So you can try it and test it but don't take it as a release rev!

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4717 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
ayuanx
2009-12-22 07:26:30 +00:00
parent a1fefe870c
commit 24d8839793
11 changed files with 125 additions and 47 deletions
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22
Source/Core/AudioCommon/Src/Mixer.cpp
View File

@ -81,9 +81,6 @@ void CMixer::PushSamples(short *samples, int num_stereo_samples, int core_sample
sample_queue.push((s16)0);
}
push_sync.Leave();
static int PV1l=0,PV2l=0,PV3l=0,PV4l=0;
static int PV1r=0,PV2r=0,PV3r=0,PV4r=0;
static int acc=0;
#ifdef _WIN32
if (GetAsyncKeyState(VK_TAB))
@ -113,6 +110,23 @@ void CMixer::PushSamples(short *samples, int num_stereo_samples, int core_sample
// -----------------------------------------------------------------------
push_sync.Enter();
while (num_stereo_samples)
{
sample_queue.push(Common::swap16(*samples));
samples++;
sample_queue.push(Common::swap16(*samples));
samples++;
m_queueSize += 2;
num_stereo_samples--;
}
push_sync.Leave();
return;
/*
static int PV1l=0,PV2l=0,PV3l=0,PV4l=0;
static int PV1r=0,PV2r=0,PV3r=0,PV4r=0;
static int acc=0;
while (num_stereo_samples) {
acc += core_sample_rate;
while (num_stereo_samples && (acc >= 48000)) {
@ -170,6 +184,8 @@ void CMixer::PushSamples(short *samples, int num_stereo_samples, int core_sample
m_queueSize += 2;
}
push_sync.Leave();
*/
}
int CMixer::GetNumSamples()