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DSound: use DSound notifications to produce sound.

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Pretty straightforward; IDirectSoundNotify lets you register for
notifications after a certain amount of sound has played, so use that
instead of depending on Update() notifications from the CPU thread.

Also, while I'm here, reduce the buffer size by a factor of 4; this seems
to reduce the latency, although the difference is sort of subtle.
This commit is contained in:
magumagu
2014-04-09 13:41:27 -07:00
parent 7d8604ac1c
commit 4990b8910b
2 changed files with 20 additions and 11 deletions
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5
Source/Core/AudioCommon/DSoundStream.h
View File

@ -12,14 +12,14 @@
#include <mmsystem.h>
#include <dsound.h>
#define BUFSIZE (1024 * 8 * 4)
#define BUFSIZE (256 * 8 * 4)
#endif
class DSound final : public SoundStream
{
#ifdef _WIN32
std::thread thread;
Common::Event soundSyncEvent;
HANDLE soundSyncEvent;
void *hWnd;
IDirectSound8* ds;
@ -65,7 +65,6 @@ public:
virtual void Stop();
virtual void Clear(bool mute);
static bool isValid() { return true; }
virtual void Update();
#else
public: