Method reset

3rdparty/openal/alc/backends/wave.cpp:232–335

}

bool WaveBackend::reset()
{
    ALuint channels=0, bytes=0, chanmask=0;
    int isbformat = 0;
    size_t val;

    fseek(mFile, 0, SEEK_SET);
    clearerr(mFile);

    if(GetConfigValueBool(nullptr, "wave", "bformat", 0))
    {
        mDevice->FmtChans = DevFmtAmbi3D;
        mDevice->mAmbiOrder = 1;
    }

    switch(mDevice->FmtType)
    {
        case DevFmtByte:
            mDevice->FmtType = DevFmtUByte;
            break;
        case DevFmtUShort:
            mDevice->FmtType = DevFmtShort;
            break;
        case DevFmtUInt:
            mDevice->FmtType = DevFmtInt;
            break;
        case DevFmtUByte:
        case DevFmtShort:
        case DevFmtInt:
        case DevFmtFloat:
            break;
    }
    switch(mDevice->FmtChans)
    {
        case DevFmtMono:   chanmask = 0x04; break;
        case DevFmtStereo: chanmask = 0x01 | 0x02; break;
        case DevFmtQuad:   chanmask = 0x01 | 0x02 | 0x10 | 0x20; break;
        case DevFmtX51: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x200 | 0x400; break;
        case DevFmtX51Rear: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x010 | 0x020; break;
        case DevFmtX61: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x100 | 0x200 | 0x400; break;
        case DevFmtX71: chanmask = 0x01 | 0x02 | 0x04 | 0x08 | 0x010 | 0x020 | 0x200 | 0x400; break;
        case DevFmtAmbi3D:
            /* .amb output requires FuMa */
            mDevice->mAmbiOrder = minu(mDevice->mAmbiOrder, 3);
            mDevice->mAmbiLayout = AmbiLayout::FuMa;
            mDevice->mAmbiScale = AmbiNorm::FuMa;
            isbformat = 1;
            chanmask = 0;
            break;
    }
    bytes = mDevice->bytesFromFmt();
    channels = mDevice->channelsFromFmt();

    rewind(mFile);

    fputs("RIFF", mFile);
    fwrite32le(0xFFFFFFFF, mFile); // 'RIFF' header len; filled in at close