Merge "Fix format conversion in DuplicatingThread"

ssize_t AudioFlinger::DuplicatingThread::threadLoop_write()

{

    for (size_t i = 0; i < outputTracks.size(); i++) {

    // We convert the duplicating thread format to AUDIO_FORMAT_PCM_16_BIT

    // for delivery downstream as needed. This in-place conversion is safe as

    // AUDIO_FORMAT_PCM_16_BIT is smaller than any other supported format

        memcpy_by_audio_format(mSinkBuffer, AUDIO_FORMAT_PCM_16_BIT,

                               mSinkBuffer, mFormat, writeFrames * mChannelCount);

    }

    for (size_t i = 0; i < outputTracks.size(); i++) {

        outputTracks[i]->write(reinterpret_cast<int16_t*>(mSinkBuffer), writeFrames);

    }

    mStandby = false;