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reduce # samples to 512, add buffer padding for safety

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This commit is contained in:
dborth 2009-05-11 08:38:01 +00:00
parent 01a3096ca9
commit 9d032dd6d9
1 changed files with 4 additions and 4 deletions
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8
SDL/src/audio/wii/SDL_wiiaudio.c
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@ -36,10 +36,10 @@
#include <ogc/cache.h> #include <ogc/cache.h>
#include "SDL_wiiaudio.h" #include "SDL_wiiaudio.h"
#define SAMPLES_PER_DMA_BUFFER (2048) #define SAMPLES_PER_DMA_BUFFER (512)
static const char WIIAUD_DRIVER_NAME[] = "wii"; static const char WIIAUD_DRIVER_NAME[] = "wii";
static Uint32 dma_buffers[2][SAMPLES_PER_DMA_BUFFER] __attribute__((aligned(32))); static Uint32 dma_buffers[2][SAMPLES_PER_DMA_BUFFER*8] __attribute__((aligned(32)));
static Uint8 whichab = 0; static Uint8 whichab = 0;
#define AUDIOSTACK 16384*2 #define AUDIOSTACK 16384*2
@ -106,7 +106,7 @@ AudioThread (void *arg)
current_audio->spec.callback( current_audio->spec.callback(
current_audio->spec.userdata, current_audio->spec.userdata,
(Uint8 *)dma_buffers[whichab], (Uint8 *)dma_buffers[whichab],
sizeof(dma_buffers[whichab])); SAMPLES_PER_DMA_BUFFER*4);
//SDL_mutexV(current_audio->mixer_lock); //SDL_mutexV(current_audio->mixer_lock);
} }
} }
@ -125,7 +125,7 @@ DMACallback()
{ {
AUDIO_StopDMA (); AUDIO_StopDMA ();
DCFlushRange (dma_buffers[whichab], sizeof(dma_buffers[0])); DCFlushRange (dma_buffers[whichab], sizeof(dma_buffers[0]));
AUDIO_InitDMA ((Uint32)dma_buffers[whichab], sizeof(dma_buffers[0])); AUDIO_InitDMA ((Uint32)dma_buffers[whichab], SAMPLES_PER_DMA_BUFFER*4);
AUDIO_StartDMA (); AUDIO_StartDMA ();
LWP_ThreadSignal (audioqueue); LWP_ThreadSignal (audioqueue);