Merge "MediaServer crashing and audio effects not applied to TTS." into lmp-dev

// Must be called with EffectChain::mLock locked

void AudioFlinger::EffectChain::clearInputBuffer_l(sp<ThreadBase> thread)

{

    memset(mInBuffer, 0, thread->frameCount() * thread->frameSize());

    // TODO: This will change in the future, depending on multichannel

    // and sample format changes for effects.

    // Currently effects processing is only available for stereo, AUDIO_FORMAT_PCM_16_BIT

    // (4 bytes frame size)

    const size_t frameSize = audio_bytes_per_sample(AUDIO_FORMAT_PCM_16_BIT) * FCC_2;

    memset(mInBuffer, 0, thread->frameCount() * frameSize);

}

// Must be called with EffectChain::mLock locked