예제 #1
0
/*
 * LoadData
 *
 * Loads the specified data into the buffer, using the specified formats.
 * Currently, the new format must have the same channel configuration as the
 * original format.
 */
ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei frames, enum UserFmtChannels SrcChannels, enum UserFmtType SrcType, const ALvoid *data, ALsizei align, ALboolean storesrc)
{
    ALuint NewChannels, NewBytes;
    enum FmtChannels DstChannels;
    enum FmtType DstType;
    ALuint64 newsize;
    ALvoid *temp;

    if(DecomposeFormat(NewFormat, &DstChannels, &DstType) == AL_FALSE ||
       (long)SrcChannels != (long)DstChannels)
        return AL_INVALID_ENUM;

    NewChannels = ChannelsFromFmt(DstChannels);
    NewBytes = BytesFromFmt(DstType);

    newsize = frames;
    newsize *= NewBytes;
    newsize *= NewChannels;
    if(newsize > INT_MAX)
        return AL_OUT_OF_MEMORY;

    WriteLock(&ALBuf->lock);
    if(ReadRef(&ALBuf->ref) != 0)
    {
        WriteUnlock(&ALBuf->lock);
        return AL_INVALID_OPERATION;
    }

    temp = realloc(ALBuf->data, (size_t)newsize);
    if(!temp && newsize)
    {
        WriteUnlock(&ALBuf->lock);
        return AL_OUT_OF_MEMORY;
    }
    ALBuf->data = temp;

    if(data != NULL)
        ConvertData(ALBuf->data, (enum UserFmtType)DstType, data, SrcType, NewChannels, frames, align);

    if(storesrc)
    {
        ALBuf->OriginalChannels = SrcChannels;
        ALBuf->OriginalType     = SrcType;
        if(SrcType == UserFmtIMA4)
        {
            ALsizei byte_align = ((align-1)/2 + 4) * ChannelsFromUserFmt(SrcChannels);
            ALBuf->OriginalSize  = frames / align * byte_align;
            ALBuf->OriginalAlign = align;
        }
        else if(SrcType == UserFmtMSADPCM)
        {
            ALsizei byte_align = ((align-2)/2 + 7) * ChannelsFromUserFmt(SrcChannels);
            ALBuf->OriginalSize  = frames / align * byte_align;
            ALBuf->OriginalAlign = align;
        }
        else
        {
            ALBuf->OriginalSize  = frames * FrameSizeFromUserFmt(SrcChannels, SrcType);
            ALBuf->OriginalAlign = 1;
        }
    }
    else
    {
        ALBuf->OriginalChannels = (enum UserFmtChannels)DstChannels;
        ALBuf->OriginalType     = (enum UserFmtType)DstType;
        ALBuf->OriginalSize     = frames * NewBytes * NewChannels;
        ALBuf->OriginalAlign    = 1;
    }

    ALBuf->Frequency = freq;
    ALBuf->FmtChannels = DstChannels;
    ALBuf->FmtType = DstType;
    ALBuf->Format = NewFormat;

    ALBuf->SampleLen = frames;
    ALBuf->LoopStart = 0;
    ALBuf->LoopEnd = ALBuf->SampleLen;

    WriteUnlock(&ALBuf->lock);
    return AL_NO_ERROR;
}
예제 #2
0
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);
}
예제 #3
0
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);
}
예제 #4
0
/*
 * LoadData
 *
 * Loads the specified data into the buffer, using the specified formats.
 * Currently, the new format must have the same channel configuration as the
 * original format.
 */
ALenum LoadData(ALbuffer *ALBuf, ALuint freq, ALenum NewFormat, ALsizei frames, enum UserFmtChannels SrcChannels, enum UserFmtType SrcType, const ALvoid *data, ALsizei align, ALboolean storesrc)
{
    enum FmtChannels DstChannels = FmtMono;
    enum FmtType DstType = FmtByte;
    ALuint NewChannels, NewBytes;
    ALuint64 newsize;

    if(DecomposeFormat(NewFormat, &DstChannels, &DstType) == AL_FALSE)
        return AL_INVALID_ENUM;
    if((long)SrcChannels != (long)DstChannels)
        return AL_INVALID_ENUM;

    NewChannels = ChannelsFromFmt(DstChannels);
    NewBytes = BytesFromFmt(DstType);

    newsize = frames;
    newsize *= NewBytes;
    newsize *= NewChannels;
    if(newsize > INT_MAX)
        return AL_OUT_OF_MEMORY;

    WriteLock(&ALBuf->lock);
    if(ReadRef(&ALBuf->ref) != 0)
    {
        WriteUnlock(&ALBuf->lock);
        return AL_INVALID_OPERATION;
    }

    /* Round up to the next 16-byte multiple. This could reallocate only when
     * increasing or the new size is less than half the current, but then the
     * buffer's AL_SIZE would not be very reliable for accounting buffer memory
     * usage, and reporting the real size could cause problems for apps that
     * use AL_SIZE to try to get the buffer's play length.
     */
    newsize = (newsize+15) & ~0xf;
    if(newsize != ALBuf->BytesAlloc)
    {
        void *temp = al_calloc(16, (size_t)newsize);
        if(!temp && newsize)
        {
            WriteUnlock(&ALBuf->lock);
            return AL_OUT_OF_MEMORY;
        }
        al_free(ALBuf->data);
        ALBuf->data = temp;
        ALBuf->BytesAlloc = (ALuint)newsize;
    }

    if(data != NULL)
        ConvertData(ALBuf->data, (enum UserFmtType)DstType, data, SrcType, NewChannels, frames, align);

    if(storesrc)
    {
        ALBuf->OriginalChannels = SrcChannels;
        ALBuf->OriginalType     = SrcType;
        if(SrcType == UserFmtIMA4)
        {
            ALsizei byte_align = ((align-1)/2 + 4) * ChannelsFromUserFmt(SrcChannels);
            ALBuf->OriginalSize  = frames / align * byte_align;
            ALBuf->OriginalAlign = align;
        }
        else if(SrcType == UserFmtMSADPCM)
        {
            ALsizei byte_align = ((align-2)/2 + 7) * ChannelsFromUserFmt(SrcChannels);
            ALBuf->OriginalSize  = frames / align * byte_align;
            ALBuf->OriginalAlign = align;
        }
        else
        {
            ALBuf->OriginalSize  = frames * FrameSizeFromUserFmt(SrcChannels, SrcType);
            ALBuf->OriginalAlign = 1;
        }
    }
    else
    {
        ALBuf->OriginalChannels = (enum UserFmtChannels)DstChannels;
        ALBuf->OriginalType     = (enum UserFmtType)DstType;
        ALBuf->OriginalSize     = frames * NewBytes * NewChannels;
        ALBuf->OriginalAlign    = 1;
    }

    ALBuf->Frequency = freq;
    ALBuf->FmtChannels = DstChannels;
    ALBuf->FmtType = DstType;
    ALBuf->Format = NewFormat;

    ALBuf->SampleLen = frames;
    ALBuf->LoopStart = 0;
    ALBuf->LoopEnd = ALBuf->SampleLen;

    WriteUnlock(&ALBuf->lock);
    return AL_NO_ERROR;
}