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(PSP) improved audio driver. still lacks Synchronization.

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This commit is contained in:
aliaspider 2014-02-21 19:24:46 +01:00
parent bf3ad47cbe
commit f83f0d9e4f
1 changed files with 64 additions and 29 deletions
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93
psp1/psp1_audio.c
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@ -21,11 +21,10 @@
#include <stdint.h>
//ToDO
typedef struct
typedef struct psp1_audio
{
bool nonblocking;
bool started;
bool quit_thread;
bool running;
uint32_t* buffer;
uint32_t* zeroBuffer;
SceUID thread;
@ -39,14 +38,13 @@ typedef struct
#define AUDIO_BUFFER_SIZE (1u<<12u)
#define AUDIO_BUFFER_SIZE_MASK (AUDIO_BUFFER_SIZE-1)
int audioMainLoop(SceSize args, void* argp)
static int audioMainLoop(SceSize args, void* argp)
{
psp1_audio_t* psp = (psp1_audio_t*)driver.audio_data;
(void)argp;
psp1_audio_t* psp = *((psp1_audio_t**)argp);
sceAudioSRCChReserve(AUDIO_OUT_COUNT, psp->rate, 2);
while (!psp->quit_thread)
while (psp->running)
{
if (((uint16_t)(psp->writePos - psp->readPos) & AUDIO_BUFFER_SIZE_MASK) < (uint16_t)AUDIO_OUT_COUNT * 2)
sceAudioSRCOutputBlocking(PSP_AUDIO_VOLUME_MAX, psp->zeroBuffer);
@ -63,8 +61,6 @@ int audioMainLoop(SceSize args, void* argp)
return 0;
}
static bool psp_audio_start(void *data);
static void *psp_audio_init(const char *device, unsigned rate, unsigned latency)
{
(void)device;
@ -81,28 +77,39 @@ static void *psp_audio_init(const char *device, unsigned rate, unsigned latency)
psp->zeroBuffer = (uint32_t*)calloc(AUDIO_OUT_COUNT, sizeof(uint32_t));
psp->rate = rate;
psp->thread = sceKernelCreateThread ("audioMainLoop", audioMainLoop, 0x12, 0x10000, 0, NULL);
psp->nonblocking = true;
psp->nonblocking = false;
psp->running = true;
sceKernelStartThread(psp->thread, sizeof(psp1_audio_t*), &psp);
return psp;
}
static void psp_audio_free(void *data)
{
psp1_audio_t* psp = (psp1_audio_t*)data;
if(!psp)
return;
psp->quit_thread = true;
psp->running = false;
SceUInt timeout = 100000;
sceKernelWaitThreadEnd(psp->thread, &timeout);
sceKernelDeleteThread(psp->thread);
free(psp->buffer);
free(psp->zeroBuffer);
free(psp);
}
static ssize_t psp_audio_write(void *data, const void *buf, size_t size)
{
uint16_t sampleCount;
psp1_audio_t* psp = (psp1_audio_t*)data;
// ToDo : add support for blocking audio
sampleCount= size / sizeof(uint32_t);
printf("size: %i sampleCount %i\n",(int)size , (int) sampleCount);
if (psp->nonblocking)
{
/* TODO */
@ -116,36 +123,49 @@ static ssize_t psp_audio_write(void *data, const void *buf, size_t size)
}
else
memcpy(psp->buffer + psp->writePos, buf, size);
}
psp->writePos += sampleCount;
psp->writePos &= AUDIO_BUFFER_SIZE_MASK;
}
psp->writePos += sampleCount;
psp->writePos &= AUDIO_BUFFER_SIZE_MASK;
return sampleCount;
}
static bool psp_audio_stop(void *data)
{
SceKernelThreadRunStatus runStatus;
psp1_audio_t* psp = (psp1_audio_t*)data;
if (psp->started)
{
sceKernelWaitThreadEnd(psp->thread, NULL);
psp->started = false;
}
runStatus.size = sizeof(SceKernelThreadRunStatus);
if (sceKernelReferThreadRunStatus(psp->thread, &runStatus) < 0) // error
return false;
if (runStatus.status == PSP_THREAD_STOPPED)
return false;
psp->running = false;
SceUInt timeout = 100000;
sceKernelWaitThreadEnd(psp->thread, &timeout);
return true;
}
static bool psp_audio_start(void *data)
{
SceKernelThreadRunStatus runStatus;
psp1_audio_t* psp = (psp1_audio_t*)data;
if (!psp->started)
{
sceKernelStartThread(psp->thread, sizeof(psp1_audio_t*), &data);
psp->started = true;
}
runStatus.size = sizeof(SceKernelThreadRunStatus);
if (sceKernelReferThreadRunStatus(psp->thread, &runStatus) < 0) // error
return false;
if (runStatus.status != PSP_THREAD_STOPPED)
return false;
psp->running = true;
sceKernelStartThread(psp->thread, sizeof(psp1_audio_t*), &psp);
return true;
}
@ -162,6 +182,19 @@ static bool psp_audio_use_float(void *data)
return false;
}
static size_t psp_write_avail(void *data)
{
/* TODO */
return AUDIO_OUT_COUNT;
}
static size_t psp_buffer_size(void *data)
{
/* TODO */
return AUDIO_BUFFER_SIZE;
}
const audio_driver_t audio_psp1 = {
psp_audio_init,
psp_audio_write,
@ -171,4 +204,6 @@ const audio_driver_t audio_psp1 = {
psp_audio_free,
psp_audio_use_float,
"psp1",
// psp_write_avail,
// psp_buffer_size,
};