mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
synced 2025-12-14 18:38:55 +00:00
v1.1.1
This commit is contained in:
刘可亮
117
packages/third-party/libFLAC/private/fixed.h
vendored
Normal file
117
packages/third-party/libFLAC/private/fixed.h
vendored
Normal file
@@ -0,0 +1,117 @@
|
||||
/* libFLAC - Free Lossless Audio Codec library
|
||||
* Copyright (C) 2000-2009 Josh Coalson
|
||||
* Copyright (C) 2011-2024 Xiph.Org Foundation
|
||||
*
|
||||
* 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 the Xiph.org Foundation nor the names of its
|
||||
* 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 FOUNDATION 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 FLAC__PRIVATE__FIXED_H
|
||||
#define FLAC__PRIVATE__FIXED_H
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include <config.h>
|
||||
#endif
|
||||
|
||||
#include "private/cpu.h"
|
||||
#include "private/float.h"
|
||||
#include "FLAC/format.h"
|
||||
|
||||
/*
|
||||
* FLAC__fixed_compute_best_predictor()
|
||||
* --------------------------------------------------------------------
|
||||
* Compute the best fixed predictor and the expected bits-per-sample
|
||||
* of the residual signal for each order. The _wide() version uses
|
||||
* 64-bit integers which is statistically necessary when bits-per-
|
||||
* sample + log2(blocksize) > 30
|
||||
*
|
||||
* IN data[0,data_len-1]
|
||||
* IN data_len
|
||||
* OUT residual_bits_per_sample[0,FLAC__MAX_FIXED_ORDER]
|
||||
*/
|
||||
#ifndef FLAC__INTEGER_ONLY_LIBRARY
|
||||
uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
uint32_t FLAC__fixed_compute_best_predictor_limit_residual(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
uint32_t FLAC__fixed_compute_best_predictor_limit_residual_33bit(const FLAC__int64 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
# ifndef FLAC__NO_ASM
|
||||
# if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
|
||||
# ifdef FLAC__SSE2_SUPPORTED
|
||||
uint32_t FLAC__fixed_compute_best_predictor_intrin_sse2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER + 1]);
|
||||
# endif
|
||||
# ifdef FLAC__SSSE3_SUPPORTED
|
||||
uint32_t FLAC__fixed_compute_best_predictor_intrin_ssse3(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
# endif
|
||||
# ifdef FLAC__SSE4_2_SUPPORTED
|
||||
uint32_t FLAC__fixed_compute_best_predictor_limit_residual_intrin_sse42(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
# endif
|
||||
# ifdef FLAC__AVX2_SUPPORTED
|
||||
uint32_t FLAC__fixed_compute_best_predictor_wide_intrin_avx2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
uint32_t FLAC__fixed_compute_best_predictor_limit_residual_intrin_avx2(const FLAC__int32 data[], uint32_t data_len, float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
# endif
|
||||
# endif
|
||||
# endif
|
||||
#else
|
||||
uint32_t FLAC__fixed_compute_best_predictor(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
uint32_t FLAC__fixed_compute_best_predictor_wide(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
uint32_t FLAC__fixed_compute_best_predictor_limit_residual(const FLAC__int32 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
uint32_t FLAC__fixed_compute_best_predictor_limit_residual_33bit(const FLAC__int64 data[], uint32_t data_len, FLAC__fixedpoint residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]);
|
||||
#endif
|
||||
|
||||
/*
|
||||
* FLAC__fixed_compute_residual()
|
||||
* --------------------------------------------------------------------
|
||||
* Compute the residual signal obtained from sutracting the predicted
|
||||
* signal from the original.
|
||||
*
|
||||
* IN data[-order,data_len-1] original signal (NOTE THE INDICES!)
|
||||
* IN data_len length of original signal
|
||||
* IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order
|
||||
* OUT residual[0,data_len-1] residual signal
|
||||
*/
|
||||
void FLAC__fixed_compute_residual(const FLAC__int32 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]);
|
||||
void FLAC__fixed_compute_residual_wide(const FLAC__int32 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]);
|
||||
void FLAC__fixed_compute_residual_wide_33bit(const FLAC__int64 data[], uint32_t data_len, uint32_t order, FLAC__int32 residual[]);
|
||||
|
||||
/*
|
||||
* FLAC__fixed_restore_signal()
|
||||
* --------------------------------------------------------------------
|
||||
* Restore the original signal by summing the residual and the
|
||||
* predictor.
|
||||
*
|
||||
* IN residual[0,data_len-1] residual signal
|
||||
* IN data_len length of original signal
|
||||
* IN order <= FLAC__MAX_FIXED_ORDER fixed-predictor order
|
||||
* *** IMPORTANT: the caller must pass in the historical samples:
|
||||
* IN data[-order,-1] previously-reconstructed historical samples
|
||||
* OUT data[0,data_len-1] original signal
|
||||
*/
|
||||
void FLAC__fixed_restore_signal(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int32 data[]);
|
||||
void FLAC__fixed_restore_signal_wide(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int32 data[]);
|
||||
void FLAC__fixed_restore_signal_wide_33bit(const FLAC__int32 residual[], uint32_t data_len, uint32_t order, FLAC__int64 data[]);
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user