Convert all CRLF in the SILK code, tabs to spaces, and trailing
whitespace.
diff --git a/silk/silk_biquad_alt.c b/silk/silk_biquad_alt.c
index ab81f41..7d0be3f 100644
--- a/silk/silk_biquad_alt.c
+++ b/silk/silk_biquad_alt.c
@@ -1,73 +1,73 @@
-/***********************************************************************
-Copyright (c) 2006-2011, Skype Limited. All rights reserved.
-Redistribution and use in source and binary forms, with or without
-modification, (subject to the limitations in the disclaimer below)
-are permitted provided that the following conditions are met:
-- Redistributions of source code must retain the above copyright notice,
-this list of conditions and the following disclaimer.
-- Redistributions in binary form must reproduce the above copyright
-notice, this list of conditions and the following disclaimer in the
-documentation and/or other materials provided with the distribution.
-- Neither the name of Skype Limited, nor the names of specific
-contributors, may be used to endorse or promote products derived from
-this software without specific prior written permission.
-NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
-BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
-CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
-BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
-FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-***********************************************************************/
-
-/* *
- * silk_biquad_alt.c *
- * *
- * Second order ARMA filter *
- * Can handle slowly varying filter coefficients *
- * */
-#include "silk_SigProc_FIX.h"
-
-
-/* Second order ARMA filter, alternative implementation */
-void silk_biquad_alt(
- const opus_int16 *in, /* I: Input signal */
- const opus_int32 *B_Q28, /* I: MA coefficients [3] */
- const opus_int32 *A_Q28, /* I: AR coefficients [2] */
- opus_int32 *S, /* I/O: State vector [2] */
- opus_int16 *out, /* O: Output signal */
- const opus_int32 len /* I: Signal length (must be even) */
-)
-{
- /* DIRECT FORM II TRANSPOSED (uses 2 element state vector) */
- opus_int k;
- opus_int32 inval, A0_U_Q28, A0_L_Q28, A1_U_Q28, A1_L_Q28, out32_Q14;
-
- /* Negate A_Q28 values and split in two parts */
- A0_L_Q28 = ( -A_Q28[ 0 ] ) & 0x00003FFF; /* lower part */
- A0_U_Q28 = SKP_RSHIFT( -A_Q28[ 0 ], 14 ); /* upper part */
- A1_L_Q28 = ( -A_Q28[ 1 ] ) & 0x00003FFF; /* lower part */
- A1_U_Q28 = SKP_RSHIFT( -A_Q28[ 1 ], 14 ); /* upper part */
-
- for( k = 0; k < len; k++ ) {
- /* S[ 0 ], S[ 1 ]: Q12 */
- inval = in[ k ];
- out32_Q14 = SKP_LSHIFT( SKP_SMLAWB( S[ 0 ], B_Q28[ 0 ], inval ), 2 );
-
- S[ 0 ] = S[1] + SKP_RSHIFT_ROUND( SKP_SMULWB( out32_Q14, A0_L_Q28 ), 14 );
- S[ 0 ] = SKP_SMLAWB( S[ 0 ], out32_Q14, A0_U_Q28 );
- S[ 0 ] = SKP_SMLAWB( S[ 0 ], B_Q28[ 1 ], inval);
-
- S[ 1 ] = SKP_RSHIFT_ROUND( SKP_SMULWB( out32_Q14, A1_L_Q28 ), 14 );
- S[ 1 ] = SKP_SMLAWB( S[ 1 ], out32_Q14, A1_U_Q28 );
- S[ 1 ] = SKP_SMLAWB( S[ 1 ], B_Q28[ 2 ], inval );
-
- /* Scale back to Q0 and saturate */
- out[ k ] = (opus_int16)SKP_SAT16( SKP_RSHIFT( out32_Q14 + (1<<14) - 1, 14 ) );
- }
-}
+/***********************************************************************
+Copyright (c) 2006-2011, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+/* *
+ * silk_biquad_alt.c *
+ * *
+ * Second order ARMA filter *
+ * Can handle slowly varying filter coefficients *
+ * */
+#include "silk_SigProc_FIX.h"
+
+
+/* Second order ARMA filter, alternative implementation */
+void silk_biquad_alt(
+ const opus_int16 *in, /* I: Input signal */
+ const opus_int32 *B_Q28, /* I: MA coefficients [3] */
+ const opus_int32 *A_Q28, /* I: AR coefficients [2] */
+ opus_int32 *S, /* I/O: State vector [2] */
+ opus_int16 *out, /* O: Output signal */
+ const opus_int32 len /* I: Signal length (must be even) */
+)
+{
+ /* DIRECT FORM II TRANSPOSED (uses 2 element state vector) */
+ opus_int k;
+ opus_int32 inval, A0_U_Q28, A0_L_Q28, A1_U_Q28, A1_L_Q28, out32_Q14;
+
+ /* Negate A_Q28 values and split in two parts */
+ A0_L_Q28 = ( -A_Q28[ 0 ] ) & 0x00003FFF; /* lower part */
+ A0_U_Q28 = SKP_RSHIFT( -A_Q28[ 0 ], 14 ); /* upper part */
+ A1_L_Q28 = ( -A_Q28[ 1 ] ) & 0x00003FFF; /* lower part */
+ A1_U_Q28 = SKP_RSHIFT( -A_Q28[ 1 ], 14 ); /* upper part */
+
+ for( k = 0; k < len; k++ ) {
+ /* S[ 0 ], S[ 1 ]: Q12 */
+ inval = in[ k ];
+ out32_Q14 = SKP_LSHIFT( SKP_SMLAWB( S[ 0 ], B_Q28[ 0 ], inval ), 2 );
+
+ S[ 0 ] = S[1] + SKP_RSHIFT_ROUND( SKP_SMULWB( out32_Q14, A0_L_Q28 ), 14 );
+ S[ 0 ] = SKP_SMLAWB( S[ 0 ], out32_Q14, A0_U_Q28 );
+ S[ 0 ] = SKP_SMLAWB( S[ 0 ], B_Q28[ 1 ], inval);
+
+ S[ 1 ] = SKP_RSHIFT_ROUND( SKP_SMULWB( out32_Q14, A1_L_Q28 ), 14 );
+ S[ 1 ] = SKP_SMLAWB( S[ 1 ], out32_Q14, A1_U_Q28 );
+ S[ 1 ] = SKP_SMLAWB( S[ 1 ], B_Q28[ 2 ], inval );
+
+ /* Scale back to Q0 and saturate */
+ out[ k ] = (opus_int16)SKP_SAT16( SKP_RSHIFT( out32_Q14 + (1<<14) - 1, 14 ) );
+ }
+}