SEGAy/lindbergh-loader
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mirror of synced 2024-11-27 14:50:47 +01:00
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Add working xenial audio

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This commit is contained in:
Bobby Dilley 2024-01-27 22:26:28 +00:00
parent f0baaaa66c
commit f48720b878
1 changed files with 53 additions and 31 deletions
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84
src/libsegaapi/segaapi.c
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@ -36,6 +36,10 @@ const GUID EAXPROPERTYID_EAX40_FXSlot1;
const GUID EAXPROPERTYID_EAX40_FXSlot2;
const GUID EAXPROPERTYID_EAX40_FXSlot3;
LPALBUFFERSAMPLESSOFT alBufferSamplesSOFT = NULL;
LPALBUFFERSUBSAMPLESSOFT alBufferSubSamplesSOFT = NULL;
LPALGETBUFFERSAMPLESSOFT alGetBufferSamplesSOFT = NULL;
typedef struct
{
// SEGA API Parts
@ -53,6 +57,7 @@ typedef struct
size_t size;
bool playing;
bool paused;
bool playWithSetup;
// OpenAL Parts
ALuint alBuffer;
@ -79,41 +84,42 @@ void dbgPrint(const char *format, ...)
}
#endif
/**
* Returns the OpenAL Format Enum from the sampleFormat and channels
* of the SEGA API.
*
* @param sampleFormat SEGA API Sample Format
* @param channels Amount of channels to use
* @returns The OpenAL Format
*/
ALenum getAlFormat(unsigned int sampleFormat, unsigned int channels)
static void updateBufferData(SEGAContext *context, unsigned int offset, size_t length)
{
ALenum alFormat = -1;
ALenum alChannels = -1;
ALenum alType;
int bufferSampleSize = context->channels * ((context->sampleFormat == SIGNED_16PCM) ? 2 : 1);
switch (sampleFormat)
switch (context->sampleFormat)
{
case UNSIGNED_8PCM: /* Unsigned (offset 128) 8-bit PCM */
switch (channels)
alType = AL_BYTE_SOFT;
switch (context->channels)
{
case 1:
alFormat = AL_MONO8_SOFT;
alChannels = AL_MONO_SOFT;
break;
case 2:
alFormat = AL_STEREO8_SOFT;
alChannels = AL_STEREO_SOFT;
break;
default:
break;
}
break;
case SIGNED_16PCM: /* Signed 16-bit PCM */
switch (channels)
alType = AL_SHORT_SOFT;
switch (context->channels)
{
case 1:
alFormat = AL_MONO16_SOFT;
alChannels = AL_MONO_SOFT;
break;
case 2:
alFormat = AL_STEREO16_SOFT;
alChannels = AL_STEREO_SOFT;
break;
default:
break;
@ -122,20 +128,17 @@ ALenum getAlFormat(unsigned int sampleFormat, unsigned int channels)
break;
}
if (alFormat == -1)
// Create a new buffer if we get -1
if (offset == -1)
{
printf("SEGAAPI Fatal Error: Unknown format - 0x%X with %d channels!\n", sampleFormat, channels);
abort();
alSourcei(context->alSource, AL_BUFFER, AL_NONE);
alBufferSamplesSOFT(context->alBuffer, context->sampleRate, alFormat, context->size / bufferSampleSize, alChannels, alType, context->data);
alSourcei(context->alSource, AL_BUFFER, context->alBuffer);
return;
}
return alFormat;
}
static void updateBufferData(SEGAContext *context, unsigned int offset, size_t length)
{
alSourcei(context->alSource, AL_BUFFER, AL_NONE);
alBufferData(context->alBuffer, getAlFormat(context->sampleFormat, context->channels), context->data, context->size, context->sampleRate);
alSourcei(context->alSource, AL_BUFFER, context->alBuffer);
// Update the buffer whilst it's running
alBufferSubSamplesSOFT(context->alBuffer, offset / bufferSampleSize, length / bufferSampleSize, alChannels, alType, &context->data[offset]);
}
static void resetBuffer(SEGAContext *context)
@ -155,6 +158,7 @@ static void resetBuffer(SEGAContext *context)
context->endLoop = context->size;
context->loop = false;
context->paused = false;
context->playWithSetup = false;
tsf *res = (tsf *)TSF_MALLOC(sizeof(tsf));
TSF_MEMSET(res, 0, sizeof(tsf));
@ -175,9 +179,7 @@ static void resetBuffer(SEGAContext *context)
context->region = region;
alSourcei(context->alSource, AL_BUFFER, AL_NONE);
alSourcei(context->alSource, AL_BYTE_OFFSET, 0);
alSourceStop(context->alSource);
updateBufferData(context, -1, -1);
}
int SEGAAPI_Play(void *hHandle)
@ -189,6 +191,8 @@ int SEGAAPI_Play(void *hHandle)
if (context == NULL)
return SEGA_ERROR_BAD_PARAM;
alSourcei(context->alSource, AL_LOOPING, context->loop ? AL_TRUE : AL_FALSE);
alSourcei(context->alSource, AL_BUFFER, context->alBuffer);
alSourcePlay(context->alSource);
return SEGA_SUCCESS;
@ -231,8 +235,9 @@ int SEGAAPI_PlayWithSetup(void *hHandle)
if (context == NULL)
return SEGA_ERROR_BAD_PARAM;
alSourcei(context->alSource, AL_LOOPING, context->loop ? AL_TRUE : AL_FALSE);
alSourcei(context->alSource, AL_BUFFER, context->alBuffer);
alSourcePlay(context->alSource);
return SEGA_ERROR_UNSUPPORTED;
}
@ -254,7 +259,6 @@ PlaybackStatus SEGAAPI_GetPlaybackStatus(void *hHandle)
case AL_PAUSED:
return PLAYBACK_STATUS_PAUSE;
case AL_INITIAL:
return PLAYBACK_STATUS_ACTIVE;
case AL_STOPPED:
return PLAYBACK_STATUS_STOP;
default:
@ -286,8 +290,6 @@ int SEGAAPI_SetSampleRate(void *hHandle, unsigned int dwSampleRate)
SEGAContext *context = hHandle;
context->sampleRate = dwSampleRate;
updateBufferData(context, -1, -1);
return SEGA_SUCCESS;
}
@ -495,6 +497,7 @@ int SEGAAPI_SetLoopState(void *hHandle, int loop)
SEGAContext *context = hHandle;
context->loop = loop;
alSourcei(context->alSource, AL_LOOPING, context->loop ? AL_TRUE : AL_FALSE);
return SEGA_SUCCESS;
}
@ -596,7 +599,6 @@ int SEGAAPI_SetReleaseState(void *hHandle, int enterReleasePhase)
SEGAContext *context = hHandle;
if (!enterReleasePhase)
return SEGA_SUCCESS;
@ -814,6 +816,26 @@ int SEGAAPI_Init(void)
return SEGA_ERROR_FAIL;
}
alBufferSamplesSOFT = alGetProcAddress("alBufferSamplesSOFT");
if (alBufferSamplesSOFT == NULL)
{
dbgPrint("Could not resolve AL extension!\n");
exit(1);
}
alBufferSubSamplesSOFT = alGetProcAddress("alBufferSubSamplesSOFT");
if (alBufferSubSamplesSOFT == NULL)
{
dbgPrint("Could not resolve AL extension!\n");
exit(1);
}
alGetBufferSamplesSOFT = alGetProcAddress("alGetBufferSamplesSOFT");
if (alGetBufferSamplesSOFT == NULL)
{
dbgPrint("Could not resolve AL extension!\n");
exit(1);
}
return SEGA_SUCCESS;
}