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

sdl sound improvement? needs testing

This commit is contained in:
punkrockguy318 2008-11-10 11:55:29 +00:00
parent 9550d31c10
commit c55d1de368
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/drivers/sdl/sdl-sound.cpp
View File

@ -49,7 +49,11 @@ fillaudio(void *udata,
{ {
int16 *tmps = (int16*)stream; int16 *tmps = (int16*)stream;
len >>= 1; len >>= 1;
// debug code
//printf("s_BufferIn: %i s_BufferWrite = %i s_BufferRead = %i s_BufferSize = %i\n",
// s_BufferIn, s_BufferWrite, s_BufferRead, s_BufferSize);
if(s_BufferWrite > s_BufferRead)
s_BufferWrite = s_BufferRead;
while(len) { while(len) {
int16 sample = 0; int16 sample = 0;
if(s_BufferIn) { if(s_BufferIn) {
@ -103,7 +107,8 @@ InitSound(FCEUGI *gi)
s_BufferSize = soundbufsize * soundrate / 1000; s_BufferSize = soundbufsize * soundrate / 1000;
// For safety, set a bare minimum: // For safety, set a bare minimum:
if (s_BufferSize < spec.samples * 2) s_BufferSize = spec.samples * 2; if (s_BufferSize < spec.samples * 2)
s_BufferSize = spec.samples * 2;
s_Buffer = (int *)malloc(sizeof(int) * s_BufferSize); s_Buffer = (int *)malloc(sizeof(int) * s_BufferSize);
s_BufferRead = s_BufferWrite = s_BufferIn = 0; s_BufferRead = s_BufferWrite = s_BufferIn = 0;
@ -151,8 +156,10 @@ WriteSound(int32 *buf,
{ {
extern int EmulationPaused; extern int EmulationPaused;
if (EmulationPaused == 0) if (EmulationPaused == 0)
while(Count) { while(Count)
while(s_BufferIn == s_BufferSize) { {
while(s_BufferIn == s_BufferSize)
{
SDL_Delay(1); SDL_Delay(1);
} }