AL_API void AL_APIENTRY alBufferSamplesSOFT(ALuint buffer,
ALuint samplerate, ALenum internalformat, ALsizei samples,
ALenum channels, ALenum type, const ALvoid *data)
{
ALCdevice *device;
ALCcontext *context;
ALbuffer *albuf;
ALsizei align;
ALenum err;
context = GetContextRef();
if(!context) return;
device = context->Device;
if((albuf=LookupBuffer(device, buffer)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(!(samples >= 0 && samplerate != 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if(IsValidType(type) == AL_FALSE || IsValidChannels(channels) == AL_FALSE)
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
align = albuf->UnpackAlign;
if(SanitizeAlignment(type, &align) == AL_FALSE)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if((samples%align) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
err = LoadData(albuf, samplerate, internalformat, samples,
channels, type, data, align, AL_FALSE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
done:
ALCcontext_DecRef(context);
}
AL_API void AL_APIENTRY alGetBufferSamplesSOFT(ALuint buffer,
ALsizei offset, ALsizei samples,
ALenum channels, ALenum type, ALvoid *data)
{
ALCdevice *device;
ALCcontext *context;
ALbuffer *albuf;
ALsizei align;
context = GetContextRef();
if(!context) return;
device = context->Device;
LockBuffersRead(device);
if((albuf=LookupBuffer(device, buffer)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(!(samples >= 0 && offset >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if(IsValidType(type) == AL_FALSE)
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
ReadLock(&albuf->lock);
align = ATOMIC_LOAD_SEQ(&albuf->PackAlign);
if(SanitizeAlignment(type, &align) == AL_FALSE)
{
ReadUnlock(&albuf->lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
}
if(channels != (ALenum)albuf->FmtChannels)
{
ReadUnlock(&albuf->lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
if(offset > albuf->SampleLen || samples > albuf->SampleLen-offset)
{
ReadUnlock(&albuf->lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
}
if((samples%align) != 0)
{
ReadUnlock(&albuf->lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
}
/* offset -> byte offset */
offset *= FrameSizeFromFmt(albuf->FmtChannels, albuf->FmtType);
ConvertData(data, type, (char*)albuf->data+offset, (enum UserFmtType)albuf->FmtType,
ChannelsFromFmt(albuf->FmtChannels), samples, align);
ReadUnlock(&albuf->lock);
done:
UnlockBuffersRead(device);
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alBufferSubDataSOFT(ALuint buffer, ALenum format, const ALvoid *data, ALsizei offset, ALsizei length)
{
enum UserFmtChannels srcchannels;
enum UserFmtType srctype;
ALCdevice *device;
ALCcontext *context;
ALbuffer *albuf;
ALuint byte_align;
ALuint channels;
ALuint bytes;
ALsizei align;
context = GetContextRef();
if(!context) return;
device = context->Device;
if((albuf=LookupBuffer(device, buffer)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(!(length >= 0 && offset >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if(DecomposeUserFormat(format, &srcchannels, &srctype) == AL_FALSE)
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
WriteLock(&albuf->lock);
align = albuf->UnpackAlign;
if(SanitizeAlignment(srctype, &align) == AL_FALSE)
{
WriteUnlock(&albuf->lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
}
if(srcchannels != albuf->OriginalChannels || srctype != albuf->OriginalType)
{
WriteUnlock(&albuf->lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
if(align != albuf->OriginalAlign)
{
WriteUnlock(&albuf->lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
if(albuf->OriginalType == UserFmtIMA4)
{
byte_align = (albuf->OriginalAlign-1)/2 + 4;
byte_align *= ChannelsFromUserFmt(albuf->OriginalChannels);
}
else if(albuf->OriginalType == UserFmtMSADPCM)
{
byte_align = (albuf->OriginalAlign-2)/2 + 7;
byte_align *= ChannelsFromUserFmt(albuf->OriginalChannels);
}
else
{
byte_align = albuf->OriginalAlign;
byte_align *= FrameSizeFromUserFmt(albuf->OriginalChannels,
albuf->OriginalType);
}
if(offset > albuf->OriginalSize || length > albuf->OriginalSize-offset ||
(offset%byte_align) != 0 || (length%byte_align) != 0)
{
WriteUnlock(&albuf->lock);
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
}
channels = ChannelsFromFmt(albuf->FmtChannels);
bytes = BytesFromFmt(albuf->FmtType);
/* offset -> byte offset, length -> sample count */
offset = offset/byte_align * channels*bytes;
length = length/byte_align * albuf->OriginalAlign;
ConvertData((char*)albuf->data+offset, (enum UserFmtType)albuf->FmtType,
data, srctype, channels, length, align);
WriteUnlock(&albuf->lock);
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alBufferData(ALuint buffer, ALenum format, const ALvoid *data, ALsizei size, ALsizei freq)
{
enum UserFmtChannels srcchannels;
enum UserFmtType srctype;
ALCdevice *device;
ALCcontext *context;
ALbuffer *albuf;
ALenum newformat = AL_NONE;
ALuint framesize;
ALsizei align;
ALenum err;
context = GetContextRef();
if(!context) return;
device = context->Device;
if((albuf=LookupBuffer(device, buffer)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(!(size >= 0 && freq > 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if(DecomposeUserFormat(format, &srcchannels, &srctype) == AL_FALSE)
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
align = albuf->UnpackAlign;
if(SanitizeAlignment(srctype, &align) == AL_FALSE)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
switch(srctype)
{
case UserFmtByte:
case UserFmtUByte:
case UserFmtShort:
case UserFmtUShort:
case UserFmtFloat:
framesize = FrameSizeFromUserFmt(srcchannels, srctype) * align;
if((size%framesize) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
err = LoadData(albuf, freq, format, size/framesize*align,
srcchannels, srctype, data, align, AL_TRUE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
break;
case UserFmtInt:
case UserFmtUInt:
case UserFmtByte3:
case UserFmtUByte3:
case UserFmtDouble:
framesize = FrameSizeFromUserFmt(srcchannels, srctype) * align;
if((size%framesize) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
switch(srcchannels)
{
case UserFmtMono: newformat = AL_FORMAT_MONO_FLOAT32; break;
case UserFmtStereo: newformat = AL_FORMAT_STEREO_FLOAT32; break;
case UserFmtRear: newformat = AL_FORMAT_REAR32; break;
case UserFmtQuad: newformat = AL_FORMAT_QUAD32; break;
case UserFmtX51: newformat = AL_FORMAT_51CHN32; break;
case UserFmtX61: newformat = AL_FORMAT_61CHN32; break;
case UserFmtX71: newformat = AL_FORMAT_71CHN32; break;
}
err = LoadData(albuf, freq, newformat, size/framesize*align,
srcchannels, srctype, data, align, AL_TRUE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
break;
case UserFmtMulaw:
case UserFmtAlaw:
framesize = FrameSizeFromUserFmt(srcchannels, srctype) * align;
if((size%framesize) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
switch(srcchannels)
{
case UserFmtMono: newformat = AL_FORMAT_MONO16; break;
case UserFmtStereo: newformat = AL_FORMAT_STEREO16; break;
case UserFmtRear: newformat = AL_FORMAT_REAR16; break;
case UserFmtQuad: newformat = AL_FORMAT_QUAD16; break;
case UserFmtX51: newformat = AL_FORMAT_51CHN16; break;
case UserFmtX61: newformat = AL_FORMAT_61CHN16; break;
case UserFmtX71: newformat = AL_FORMAT_71CHN16; break;
}
err = LoadData(albuf, freq, newformat, size/framesize*align,
srcchannels, srctype, data, align, AL_TRUE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
break;
case UserFmtIMA4:
framesize = (align-1)/2 + 4;
framesize *= ChannelsFromUserFmt(srcchannels);
if((size%framesize) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
switch(srcchannels)
{
case UserFmtMono: newformat = AL_FORMAT_MONO16; break;
case UserFmtStereo: newformat = AL_FORMAT_STEREO16; break;
case UserFmtRear: newformat = AL_FORMAT_REAR16; break;
case UserFmtQuad: newformat = AL_FORMAT_QUAD16; break;
case UserFmtX51: newformat = AL_FORMAT_51CHN16; break;
case UserFmtX61: newformat = AL_FORMAT_61CHN16; break;
case UserFmtX71: newformat = AL_FORMAT_71CHN16; break;
}
err = LoadData(albuf, freq, newformat, size/framesize*align,
srcchannels, srctype, data, align, AL_TRUE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
break;
case UserFmtMSADPCM:
framesize = (align-2)/2 + 7;
framesize *= ChannelsFromUserFmt(srcchannels);
if((size%framesize) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
switch(srcchannels)
{
case UserFmtMono: newformat = AL_FORMAT_MONO16; break;
case UserFmtStereo: newformat = AL_FORMAT_STEREO16; break;
case UserFmtRear: newformat = AL_FORMAT_REAR16; break;
case UserFmtQuad: newformat = AL_FORMAT_QUAD16; break;
case UserFmtX51: newformat = AL_FORMAT_51CHN16; break;
case UserFmtX61: newformat = AL_FORMAT_61CHN16; break;
case UserFmtX71: newformat = AL_FORMAT_71CHN16; break;
}
err = LoadData(albuf, freq, newformat, size/framesize*align,
srcchannels, srctype, data, align, AL_TRUE);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
break;
}
done:
ALCcontext_DecRef(context);
}
