Merge "vorbisdec: fix flush"

        // Make sure that the next buffer output does not still

        // depend on fragments from the last one decoded.

        mInputBufferCount = 0;

        mNumFramesOutput = 0;

        if (mState != NULL) {

            vorbis_dsp_clear(mState);

            delete mState;

            mState = NULL;

        }

        if (mVi != NULL) {

            vorbis_info_clear(mVi);

            delete mVi;

            mVi = NULL;

        }

        mSawInputEos = false;

        mSignalledOutputEos = false;

        mNumFramesLeftOnPage = -1;

        vorbis_dsp_restart(mState);

    }

}