AC3_BLOCK_SIZE    164 libavcodec/ac3dec.h     DECLARE_ALIGNED_16(float, delay[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE]);             ///< delay - added to the next block
AC3_BLOCK_SIZE    165 libavcodec/ac3dec.h     DECLARE_ALIGNED_16(float, window[AC3_BLOCK_SIZE]);                              ///< window coefficients
AC3_BLOCK_SIZE    166 libavcodec/ac3dec.h     DECLARE_ALIGNED_16(float, tmp_output[AC3_BLOCK_SIZE]);                          ///< temporary storage for output before windowing
AC3_BLOCK_SIZE    167 libavcodec/ac3dec.h     DECLARE_ALIGNED_16(float, output[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE]);            ///< output after imdct transform and windowing