| Index: webrtc/modules/audio_coding/codecs/opus/opus/src/silk/resampler_rom.h
|
| diff --git a/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/resampler_rom.h b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/resampler_rom.h
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| new file mode 100644
|
| index 0000000000000000000000000000000000000000..490b3388dceda88b7a94f868ba5d48088e9518d0
|
| --- /dev/null
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| +++ b/webrtc/modules/audio_coding/codecs/opus/opus/src/silk/resampler_rom.h
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| @@ -0,0 +1,68 @@
|
| +/***********************************************************************
|
| +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.
|
| +***********************************************************************/
|
| +
|
| +#ifndef SILK_FIX_RESAMPLER_ROM_H
|
| +#define SILK_FIX_RESAMPLER_ROM_H
|
| +
|
| +#ifdef __cplusplus
|
| +extern "C"
|
| +{
|
| +#endif
|
| +
|
| +#include "typedef.h"
|
| +#include "resampler_structs.h"
|
| +
|
| +#define RESAMPLER_DOWN_ORDER_FIR0 18
|
| +#define RESAMPLER_DOWN_ORDER_FIR1 24
|
| +#define RESAMPLER_DOWN_ORDER_FIR2 36
|
| +#define RESAMPLER_ORDER_FIR_12 8
|
| +
|
| +/* Tables for 2x downsampler */
|
| +static const opus_int16 silk_resampler_down2_0 = 9872;
|
| +static const opus_int16 silk_resampler_down2_1 = 39809 - 65536;
|
| +
|
| +/* Tables for 2x upsampler, high quality */
|
| +static const opus_int16 silk_resampler_up2_hq_0[ 3 ] = { 1746, 14986, 39083 - 65536 };
|
| +static const opus_int16 silk_resampler_up2_hq_1[ 3 ] = { 6854, 25769, 55542 - 65536 };
|
| +
|
| +/* Tables with IIR and FIR coefficients for fractional downsamplers */
|
| +extern const opus_int16 silk_Resampler_3_4_COEFS[ 2 + 3 * RESAMPLER_DOWN_ORDER_FIR0 / 2 ];
|
| +extern const opus_int16 silk_Resampler_2_3_COEFS[ 2 + 2 * RESAMPLER_DOWN_ORDER_FIR0 / 2 ];
|
| +extern const opus_int16 silk_Resampler_1_2_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR1 / 2 ];
|
| +extern const opus_int16 silk_Resampler_1_3_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR2 / 2 ];
|
| +extern const opus_int16 silk_Resampler_1_4_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR2 / 2 ];
|
| +extern const opus_int16 silk_Resampler_1_6_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR2 / 2 ];
|
| +extern const opus_int16 silk_Resampler_2_3_COEFS_LQ[ 2 + 2 * 2 ];
|
| +
|
| +/* Table with interplation fractions of 1/24, 3/24, ..., 23/24 */
|
| +extern const opus_int16 silk_resampler_frac_FIR_12[ 12 ][ RESAMPLER_ORDER_FIR_12 / 2 ];
|
| +
|
| +#ifdef __cplusplus
|
| +}
|
| +#endif
|
| +
|
| +#endif /* SILK_FIX_RESAMPLER_ROM_H */
|
|
|