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-rw-r--r--thirdparty/opus/silk/stereo_decode_pred.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/thirdparty/opus/silk/stereo_decode_pred.c b/thirdparty/opus/silk/stereo_decode_pred.c
deleted file mode 100644
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--- a/thirdparty/opus/silk/stereo_decode_pred.c
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-/***********************************************************************
-Copyright (c) 2006-2011, Skype Limited. All rights reserved.
-Redistribution and use in source and binary forms, with or without
-modification, 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 Internet Society, IETF or IETF Trust, nor the
-names of specific contributors, may be used to endorse or promote
-products derived from this software without specific prior written
-permission.
-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.
-***********************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "main.h"
-
-/* Decode mid/side predictors */
-void silk_stereo_decode_pred(
- ec_dec *psRangeDec, /* I/O Compressor data structure */
- opus_int32 pred_Q13[] /* O Predictors */
-)
-{
- opus_int n, ix[ 2 ][ 3 ];
- opus_int32 low_Q13, step_Q13;
-
- /* Entropy decoding */
- n = ec_dec_icdf( psRangeDec, silk_stereo_pred_joint_iCDF, 8 );
- ix[ 0 ][ 2 ] = silk_DIV32_16( n, 5 );
- ix[ 1 ][ 2 ] = n - 5 * ix[ 0 ][ 2 ];
- for( n = 0; n < 2; n++ ) {
- ix[ n ][ 0 ] = ec_dec_icdf( psRangeDec, silk_uniform3_iCDF, 8 );
- ix[ n ][ 1 ] = ec_dec_icdf( psRangeDec, silk_uniform5_iCDF, 8 );
- }
-
- /* Dequantize */
- for( n = 0; n < 2; n++ ) {
- ix[ n ][ 0 ] += 3 * ix[ n ][ 2 ];
- low_Q13 = silk_stereo_pred_quant_Q13[ ix[ n ][ 0 ] ];
- step_Q13 = silk_SMULWB( silk_stereo_pred_quant_Q13[ ix[ n ][ 0 ] + 1 ] - low_Q13,
- SILK_FIX_CONST( 0.5 / STEREO_QUANT_SUB_STEPS, 16 ) );
- pred_Q13[ n ] = silk_SMLABB( low_Q13, step_Q13, 2 * ix[ n ][ 1 ] + 1 );
- }
-
- /* Subtract second from first predictor (helps when actually applying these) */
- pred_Q13[ 0 ] -= pred_Q13[ 1 ];
-}
-
-/* Decode mid-only flag */
-void silk_stereo_decode_mid_only(
- ec_dec *psRangeDec, /* I/O Compressor data structure */
- opus_int *decode_only_mid /* O Flag that only mid channel has been coded */
-)
-{
- /* Decode flag that only mid channel is coded */
- *decode_only_mid = ec_dec_icdf( psRangeDec, silk_stereo_only_code_mid_iCDF, 8 );
-}