Lines Matching refs:x1
37 opus_int16 x1[], /* I/O Left input signal, becomes mid signal */
48 silk_memcpy( x1, state->sMid, 2 * sizeof( opus_int16 ) );
50 silk_memcpy( state->sMid, &x1[ frame_length ], 2 * sizeof( opus_int16 ) );
62 sum = silk_LSHIFT( silk_ADD_LSHIFT( x1[ n ] + x1[ n + 2 ], x1[ n + 1 ], 1 ), 9 ); /* Q11 */
64 sum = silk_SMLAWB( sum, silk_LSHIFT( (opus_int32)x1[ n + 1 ], 11 ), pred1_Q13 ); /* Q8 */
70 sum = silk_LSHIFT( silk_ADD_LSHIFT( x1[ n ] + x1[ n + 2 ], x1[ n + 1 ], 1 ), 9 ); /* Q11 */
72 sum = silk_SMLAWB( sum, silk_LSHIFT( (opus_int32)x1[ n + 1 ], 11 ), pred1_Q13 ); /* Q8 */
80 sum = x1[ n + 1 ] + (opus_int32)x2[ n + 1 ];
81 diff = x1[ n + 1 ] - (opus_int32)x2[ n + 1 ];
82 x1[ n + 1 ] = (opus_int16)silk_SAT16( sum );
