127 lines
3.0 KiB
C++
127 lines
3.0 KiB
C++
#include <ao/ao.h>
|
|
#include <pthread.h>
|
|
#include "AOSoundStream.h"
|
|
|
|
namespace AOSound
|
|
{
|
|
pthread_t thread;
|
|
StreamCallback callback;
|
|
|
|
char *buffer;
|
|
int buf_size;
|
|
|
|
ao_device *device;
|
|
ao_sample_format format;
|
|
int default_driver;
|
|
|
|
int bufferSize;
|
|
int totalRenderedBytes;
|
|
int sampleRate;
|
|
volatile int threadData;
|
|
int currentPos;
|
|
int lastPos;
|
|
short realtimeBuffer[1024 * 1024];
|
|
int AOSound_GetSampleRate()
|
|
{
|
|
return sampleRate;
|
|
}
|
|
bool WriteDataToBuffer(int dwOffset,char* soundData, int dwSoundBytes)
|
|
{
|
|
//void* ptr1, * ptr2;
|
|
//DWORD numBytes1, numBytes2;
|
|
// Obtain memory address of write block. This will be in two parts if the block wraps around.
|
|
//HRESULT hr = dsBuffer->Lock(dwOffset, dwSoundBytes, &ptr1, &numBytes1, &ptr2, &numBytes2, 0);
|
|
|
|
// If the buffer was lost, restore and retry lock.
|
|
/*if (DSERR_BUFFERLOST == hr)
|
|
{
|
|
dsBuffer->Restore();
|
|
hr = dsBuffer->Lock(dwOffset, dwSoundBytes, &ptr1, &numBytes1, &ptr2, &numBytes2, 0);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
memcpy(ptr1, soundData, numBytes1);
|
|
|
|
if (ptr2 != 0)
|
|
{
|
|
memcpy(ptr2, soundData + numBytes1, numBytes2);
|
|
}
|
|
|
|
// Release the data back to DirectSound.
|
|
dsBuffer->Unlock(ptr1, numBytes1, ptr2, numBytes2);
|
|
return(true);
|
|
}
|
|
|
|
return(false);*/
|
|
ao_play(device, soundData, dwSoundBytes);
|
|
return true;
|
|
|
|
}
|
|
|
|
void* soundThread(void*)
|
|
{
|
|
currentPos = 0;
|
|
lastPos = 0;
|
|
|
|
// Prefill buffer?
|
|
//writeDataToBuffer(0,realtimeBuffer,bufferSize);
|
|
// dsBuffer->Lock(0, bufferSize, (void **)&p1, &num1, (void **)&p2, &num2, 0);
|
|
//dsBuffer->Play(0, 0, DSBPLAY_LOOPING);
|
|
|
|
while (!threadData)
|
|
{
|
|
// No blocking inside the csection
|
|
//dsBuffer->GetCurrentPosition((DWORD*)¤tPos, 0);
|
|
int numBytesToRender = 256;
|
|
|
|
if (numBytesToRender >= 256)
|
|
{
|
|
(*callback)(realtimeBuffer, numBytesToRender >> 2, 16, 44100, 2);
|
|
|
|
WriteDataToBuffer(0, (char*)realtimeBuffer, numBytesToRender);
|
|
//currentPos = ModBufferSize(lastPos + numBytesToRender);
|
|
//totalRenderedBytes += numBytesToRender;
|
|
|
|
//lastPos = currentPos;
|
|
}
|
|
|
|
//WaitForSingleObject(soundSyncEvent, MAXWAIT);
|
|
}
|
|
|
|
//dsBuffer->Stop();
|
|
return(0); //hurra!
|
|
}
|
|
bool AOSound_StartSound(int _sampleRate, StreamCallback _callback)
|
|
{
|
|
callback = _callback;
|
|
threadData = 0;
|
|
sampleRate = _sampleRate;
|
|
|
|
//no security attributes, automatic resetting, init state nonset, untitled
|
|
//soundSyncEvent = CreateEvent(0, false, false, 0);
|
|
ao_initialize();
|
|
default_driver = ao_default_driver_id();
|
|
format.bits = 16;
|
|
format.channels = 2;
|
|
format.rate = sampleRate;
|
|
format.byte_format = AO_FMT_LITTLE;
|
|
|
|
//vi vill ha access till DSOUND så...
|
|
device = ao_open_live(default_driver, &format, NULL /* no options */);
|
|
if (device == NULL) {
|
|
fprintf(stderr, "Error opening device.\n");
|
|
return 1;
|
|
}
|
|
buf_size = format.bits/8 * format.channels * format.rate;
|
|
buffer = (char*)calloc(buf_size, sizeof(char));
|
|
pthread_create(&thread, NULL, soundThread, (void *)NULL);
|
|
return(true);
|
|
}
|
|
void AOSound_StopSound()
|
|
{
|
|
ao_close(device);
|
|
ao_shutdown();
|
|
}
|
|
}
|