ShuriZma
/
stella
mirror of https://github.com/stella-emu/stella.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Changed the upper and lower bounds on the sample queue so that there's 

a little more room for error.  Also added a call to SDL_Delay in the
blocking section of the updateSound method so that it doesn't hog the CPU.


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@143 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
This commit is contained in:
bwmott 2002-11-13 05:01:31 +00:00
parent f9c3e778c8
commit 39dd0d716f
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
stella/src/ui/sdl/SoundSDL.cxx
View File

@ -13,7 +13,7 @@
// See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//
// $Id: SoundSDL.cxx,v 1.4 2002-11-11 22:07:35 stephena Exp $
// $Id: SoundSDL.cxx,v 1.5 2002-11-13 05:01:31 bwmott Exp $
//============================================================================
#include <SDL.h>
@ -175,9 +175,9 @@ void SoundSDL::updateSound(MediaSource& mediaSource)
// Release lock on the sample queue
SDL_UnlockAudio();
// Block until the sound thread has consumed all but 100 milliseconds
// Block until the sound thread has consumed all but 142 milliseconds
// of the available audio samples
uInt32 leave = mySampleRate / 10;
uInt32 leave = mySampleRate / 7;
for(;;)
{
uInt32 size = 0;
@ -190,6 +190,8 @@ void SoundSDL::updateSound(MediaSource& mediaSource)
{
break;
}
SDL_Delay(5);
}
}
}
@ -204,8 +206,8 @@ void SoundSDL::callback(void* udata, uInt8* stream, int len)
return;
}
// Don't use samples unless there's at least 50 milliseconds worth of data
if(sound->mySampleQueue.size() < (sound->mySampleRate / 20))
// Don't use samples unless there's at least 76 milliseconds worth of data
if(sound->mySampleQueue.size() < (sound->mySampleRate / 13))
{
return;
}