SEGAy/lindbergh-loader
1
0
Fork 0
mirror of synced 2024-12-17 22:55:51 +01:00
Code Releases Activity

Update queue logic

Browse Source
This commit is contained in:
Bobby Dilley 2022-10-13 10:14:57 +01:00
parent 7f8d38d034
commit ccb51a1541
1 changed files with 33 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
src/libsegaapi/segaapi.c
View File

@ -37,6 +37,8 @@ const GUID EAXPROPERTYID_EAX40_FXSlot1;
const GUID EAXPROPERTYID_EAX40_FXSlot2;
const GUID EAXPROPERTYID_EAX40_FXSlot3;
#define BUFFER_SIZE 8
typedef struct
{
// SEGA API Parts
@ -56,8 +58,9 @@ typedef struct
bool paused;
// OpenAL Parts
ALuint alBuffer;
ALuint alSource;
ALuint alBuffer[BUFFER_SIZE];
int buffersUsed;
// TinySoundFont Parts
tsf *synth;
@ -143,23 +146,6 @@ static unsigned int bufferSampleSize(SEGAContext *context)
return context->channels * ((context->sampleFormat == HASF_SIGNED_16PCM) ? 2 : 1);
}
static void updateBufferLoop(SEGAContext *context)
{
return;
if (context == NULL)
return;
unsigned int sampleSize = bufferSampleSize(context);
alSourcei(context->alSource, AL_BUFFER, AL_NONE);
/*
FIXME: Re-enable, only crashed before - so fix this too..
ALint loopPoints[] = { buffer->startLoop / sampleSize, buffer->endLoop / sampleSize };
alBufferiv(buffer->alBuffer,AL_LOOP_POINTS_SOFT,loopPoints);
CHECK();
*/
}
static void updateBufferData(SEGAContext *context, unsigned int offset, size_t length)
{
@ -210,27 +196,33 @@ static void updateBufferData(SEGAContext *context, unsigned int offset, size_t l
abort();
}
if (offset != -1)
{
unsigned int sampleSize = bufferSampleSize(context);
ALint position;
alGetSourcei(context->alSource, AL_SAMPLE_OFFSET, &position);
ALuint buffer;
alSourcei(context->alSource, AL_BUFFER, AL_NONE);
// alBufferData(context->alBuffer, alFormat, context->data + (offset / sampleSize), FramesToBytes(context->size / bufferSampleSize(context), alChannels, alType), context->sampleRate);
alBufferData(context->alBuffer, alFormat, context->data, FramesToBytes(context->size / bufferSampleSize(context), alChannels, alType), context->sampleRate);
alSourcei(context->alSource, AL_BUFFER, context->alBuffer);
alSourcei(context->alSource, AL_SAMPLE_OFFSET, position);
return;
// Fill up all the buffers first
if (context->buffersUsed < BUFFER_SIZE)
{
buffer = context->alBuffer[context->buffersUsed++];
}
else
{
ALint processed;
alGetSourcei(context->alSource, AL_BUFFERS_PROCESSED, &processed);
if (processed == 0)
{
printf("ERROR: BUUFFER UNDERRUN!\n");
abort();
}
alSourcei(context->alSource, AL_BUFFER, AL_NONE);
alBufferData(context->alBuffer, alFormat, context->data, FramesToBytes(context->size / bufferSampleSize(context), alChannels, alType), context->sampleRate);
alSourcei(context->alSource, AL_BUFFER, context->alBuffer);
alSourceUnqueueBuffers(context->alSource, 1, &buffer);
}
alBufferData(buffer, alFormat, context->data + (offset / sampleSize), FramesToBytes(length / bufferSampleSize(context), alChannels, alType), context->sampleRate);
alSourceQueueBuffers(context->alSource, 1, &buffer);
// updateBufferLoop(context);
}
static void resetBuffer(SEGAContext *context)
@ -271,6 +263,7 @@ static void resetBuffer(SEGAContext *context)
region->ampenv.sustain = 0;
context->region = region;
context->buffersUsed = 0;
// * - Buffer is in the stop state.
// * - Play position is set to 0.
@ -287,7 +280,8 @@ int SEGAAPI_Play(void *hHandle)
// alSourcei(context->alSource, AL_LOOPING, context->loop ? AL_TRUE : AL_FALSE);
alSourcei(context->alSource, AL_LOOPING, AL_FALSE);
alSourcei(context->alSource, AL_BUFFER, context->alBuffer);
alSourceRewind(context->alSource);
alSourcei(context->alSource, AL_BUFFER, 0);
alSourcePlay(context->alSource);
return SEGA_SUCCESS;
}
@ -318,13 +312,7 @@ int SEGAAPI_Stop(void *hHandle)
int SEGAAPI_PlayWithSetup(void *hHandle)
{
dbgPrint("SEGAAPI_PlayWithSetup() 0x%x", hHandle);
SEGAContext *context = hHandle;
if (context == NULL)
return SEGAERR_BAD_PARAM;
alSourcei(context->alSource, AL_LOOPING, context->loop ? AL_TRUE : AL_FALSE);
alSourcei(context->alSource, AL_BUFFER, context->alBuffer);
alSourcePlay(context->alSource);
return SEGAERR_UNSUPPORTED;
return SEGAAPI_Play(hHandle);
}
PlaybackStatus SEGAAPI_GetPlaybackStatus(void *hHandle)
@ -511,7 +499,7 @@ int SEGAAPI_SetStartLoopOffset(void *hHandle, unsigned int dwOffset)
SEGAContext *context = hHandle;
context->startLoop = dwOffset;
updateBufferLoop(context);
// updateBufferLoop(context);
return SEGA_SUCCESS;
}
@ -535,7 +523,7 @@ int SEGAAPI_SetEndLoopOffset(void *hHandle, unsigned int dwOffset)
SEGAContext *context = hHandle;
context->endLoop = dwOffset;
updateBufferLoop(context);
// updateBufferLoop(context);
return SEGA_SUCCESS;
}
@ -766,8 +754,9 @@ int SEGAAPI_CreateBuffer(HAWOSEBUFFERCONFIG *pConfig, HAWOSEGABUFFERCALLBACK pCa
pConfig->mapData.hBufferHdr = context->data;
alGenBuffers(1, &context->alBuffer);
alGenSources(1, &context->alSource);
alGenBuffers(BUFFER_SIZE, context->alBuffer);
context->buffersUsed = 0;
/*
TODO: