| Index: webrtc/modules/audio_coding/codecs/opus/opus/src/silk/float/scale_copy_vector_FLP.c
|
| diff --git a/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/float/scale_copy_vector_FLP.c b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/float/scale_copy_vector_FLP.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..20db32b3b19a4bbd782bea7255db1bf97270eee3
|
| --- /dev/null
|
| +++ b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/float/scale_copy_vector_FLP.c
|
| @@ -0,0 +1,57 @@
|
| +/***********************************************************************
|
| +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 "SigProc_FLP.h"
|
| +
|
| +/* copy and multiply a vector by a constant */
|
| +void silk_scale_copy_vector_FLP(
|
| + silk_float *data_out,
|
| + const silk_float *data_in,
|
| + silk_float gain,
|
| + opus_int dataSize
|
| +)
|
| +{
|
| + opus_int i, dataSize4;
|
| +
|
| + /* 4x unrolled loop */
|
| + dataSize4 = dataSize & 0xFFFC;
|
| + for( i = 0; i < dataSize4; i += 4 ) {
|
| + data_out[ i + 0 ] = gain * data_in[ i + 0 ];
|
| + data_out[ i + 1 ] = gain * data_in[ i + 1 ];
|
| + data_out[ i + 2 ] = gain * data_in[ i + 2 ];
|
| + data_out[ i + 3 ] = gain * data_in[ i + 3 ];
|
| + }
|
| +
|
| + /* any remaining elements */
|
| + for( ; i < dataSize; i++ ) {
|
| + data_out[ i ] = gain * data_in[ i ];
|
| + }
|
| +}
|
|
|