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visualboyadvance-m
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optimized timing formula a little 

increases buffer size a little
This commit is contained in:
spacy51 2007-12-08 14:48:14 +00:00
parent 6454f573a3
commit da047b8b18
1 changed files with 4 additions and 3 deletions
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7
src/win32/OpenAL.cpp
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@ -38,7 +38,7 @@
#include <assert.h> #include <assert.h>
#define NBUFFERS 5 #define NBUFFERS 8
//#define LOGALL //#define LOGALL
// LOGALL writes very detailed informations to vba-trace.log // LOGALL writes very detailed informations to vba-trace.log
@ -278,8 +278,9 @@ void OpenAL::write()
// wait until at least one buffer has finished // wait until at least one buffer has finished
while( nBuffersProcessed == 0 ) { while( nBuffersProcessed == 0 ) {
winlog( " waiting...\n" ); winlog( " waiting...\n" );
// wait for 1/10 of the time one buffer needs to have finished // wait for about half the time one buffer needs to finish
Sleep( soundBufferLen * 1000 / ( freq * 2 * 2 * 10 ) ); // unoptimized: ( sourceBufferLen * 1000 ) / ( freq * 2 * 2 ) * 1/2
Sleep( soundBufferLen / ( freq >> 7 ) );
alGetSourcei( source, AL_BUFFERS_PROCESSED, &nBuffersProcessed ); alGetSourcei( source, AL_BUFFERS_PROCESSED, &nBuffersProcessed );
assert( AL_NO_ERROR == alGetError() ); assert( AL_NO_ERROR == alGetError() );
} }