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(GX) Make gx_audio.c more backwards/forwards compatible

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This commit is contained in:
twinaphex 2014-06-04 02:01:15 +02:00
parent 7b9301cea0
commit 9fc7db8db9
1 changed files with 24 additions and 12 deletions
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36
audio/gx_audio.c
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@ -18,16 +18,28 @@
#include <stdlib.h>
#include "../boolean.h"
#include "../general.h"
#include <malloc.h>
#include <string.h>
#ifdef GEKKO
#include <gccore.h>
#include <ogcsys.h>
#else
#include <cafe/ai.h>
#endif
#define CHUNK_FRAMES 64
#define CHUNK_SIZE (CHUNK_FRAMES * sizeof(uint32_t))
#define BLOCKS 16
#ifdef GEKKO
#define AIInit AUDIO_Init
#define AIInitDMA AUDIO_InitDMA
#define AIStartDMA AUDIO_StartDMA
#define AIStopDMA AUDIO_StopDMA
#define AIRegisterDMACallback AUDIO_RegisterDMACallback
#define AISetDSPSampleRate AUDIO_SetDSPSampleRate
#endif
typedef struct
{
uint32_t data[BLOCKS][CHUNK_FRAMES];
@ -53,7 +65,7 @@ static void dma_callback(void)
wa->dma_next = (wa->dma_next + 1) & (BLOCKS - 1);
DCFlushRange(wa->data[wa->dma_next], CHUNK_SIZE);
AUDIO_InitDMA((uint32_t)wa->data[wa->dma_next], CHUNK_SIZE);
AIInitDMA((uint32_t)wa->data[wa->dma_next], CHUNK_SIZE);
LWP_ThreadSignal(wa->cond);
}
@ -68,17 +80,17 @@ static void *gx_audio_init(const char *device, unsigned rate, unsigned latency)
memset(wa, 0, sizeof(*wa));
AUDIO_Init(NULL);
AUDIO_RegisterDMACallback(dma_callback);
AIInit(NULL);
AIRegisterDMACallback(dma_callback);
if (rate < 33000)
{
AUDIO_SetDSPSampleRate(AI_SAMPLERATE_32KHZ);
AISetDSPSampleRate(AI_SAMPLERATE_32KHZ);
g_settings.audio.out_rate = 32000;
}
else
{
AUDIO_SetDSPSampleRate(AI_SAMPLERATE_48KHZ);
AISetDSPSampleRate(AI_SAMPLERATE_48KHZ);
g_settings.audio.out_rate = 48000;
}
@ -86,8 +98,8 @@ static void *gx_audio_init(const char *device, unsigned rate, unsigned latency)
wa->dma_write = BLOCKS - 1;
DCFlushRange(wa->data, sizeof(wa->data));
AUDIO_InitDMA((uint32_t)wa->data[wa->dma_next], CHUNK_SIZE);
AUDIO_StartDMA();
AIInitDMA((uint32_t)wa->data[wa->dma_next], CHUNK_SIZE);
AIStartDMA();
return wa;
}
@ -137,7 +149,7 @@ static ssize_t gx_audio_write(void *data, const void *buf_, size_t size)
static bool gx_audio_stop(void *data)
{
gx_audio_t *wa = (gx_audio_t*)data;
AUDIO_StopDMA();
AIStopDMA();
memset(wa->data, 0, sizeof(wa->data));
DCFlushRange(wa->data, sizeof(wa->data));
return true;
@ -152,15 +164,15 @@ static void gx_audio_set_nonblock_state(void *data, bool state)
static bool gx_audio_start(void *data)
{
(void)data;
AUDIO_StartDMA();
AIStartDMA();
return true;
}
static void gx_audio_free(void *data)
{
gx_audio_t *wa = (gx_audio_t*)data;
AUDIO_StopDMA();
AUDIO_RegisterDMACallback(NULL);
AIStopDMA();
AIRegisterDMACallback(NULL);
if (wa && wa->cond)
{
LWP_CloseQueue(wa->cond);