/*

 * Copyright © 2018, VideoLAN and dav1d authors

 * Copyright © 2018, Two Orioles, LLC

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *

 * 1. Redistributions of source code must retain the above copyright notice, this

 *    list of conditions and the following disclaimer.

 *

 * 2. 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.

 *

 * 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 DAV1D_SRC_MSAC_H

#define DAV1D_SRC_MSAC_H

#include <stdint.h>

#include <stdlib.h>

#include "common/intops.h"

typedef size_t ec_win;

typedef struct MsacContext {

    const uint8_t *buf_pos;

    const uint8_t *buf_end;

    ec_win dif;

    unsigned rng;

    int cnt;

    int allow_update_cdf;

#if ARCH_X86_64 && HAVE_ASM

    unsigned (*symbol_adapt16)(struct MsacContext *s, uint16_t *cdf, size_t n_symbols);

#endif

} MsacContext;

#if HAVE_ASM

#if ARCH_AARCH64 || ARCH_ARM

#include "src/arm/msac.h"

#elif ARCH_LOONGARCH64

#include "src/loongarch/msac.h"

#elif ARCH_X86

#include "src/x86/msac.h"

#endif

#endif

void dav1d_msac_init(MsacContext *s, const uint8_t *data, size_t sz,

                     int disable_cdf_update_flag);

unsigned dav1d_msac_decode_symbol_adapt_c(MsacContext *s, uint16_t *cdf,

                                          size_t n_symbols);

unsigned dav1d_msac_decode_bool_adapt_c(MsacContext *s, uint16_t *cdf);

unsigned dav1d_msac_decode_bool_equi_c(MsacContext *s);

unsigned dav1d_msac_decode_bool_c(MsacContext *s, unsigned f);

unsigned dav1d_msac_decode_hi_tok_c(MsacContext *s, uint16_t *cdf);

int dav1d_msac_decode_subexp(MsacContext *s, int ref, int n, unsigned k);

/* Supported n_symbols ranges: adapt4: 1-3, adapt8: 1-7, adapt16: 3-15 */

#ifndef dav1d_msac_decode_symbol_adapt4

#define dav1d_msac_decode_symbol_adapt4  dav1d_msac_decode_symbol_adapt_c

#endif

#ifndef dav1d_msac_decode_symbol_adapt8

#define dav1d_msac_decode_symbol_adapt8  dav1d_msac_decode_symbol_adapt_c

#endif

#ifndef dav1d_msac_decode_symbol_adapt16

#define dav1d_msac_decode_symbol_adapt16 dav1d_msac_decode_symbol_adapt_c

#endif

#ifndef dav1d_msac_decode_bool_adapt

#define dav1d_msac_decode_bool_adapt     dav1d_msac_decode_bool_adapt_c

#endif

#ifndef dav1d_msac_decode_bool_equi

#define dav1d_msac_decode_bool_equi      dav1d_msac_decode_bool_equi_c

#endif

#ifndef dav1d_msac_decode_bool

#define dav1d_msac_decode_bool           dav1d_msac_decode_bool_c

#endif

#ifndef dav1d_msac_decode_hi_tok

#define dav1d_msac_decode_hi_tok         dav1d_msac_decode_hi_tok_c

#endif

static inline unsigned dav1d_msac_decode_bools(MsacContext *const s, unsigned n) {

    unsigned v = 0;

    while (n--)

        v = (v << 1) | dav1d_msac_decode_bool_equi(s);

    return v;

}

Unexecuted instantiation: lib.c:dav1d_msac_decode_bools

Unexecuted instantiation: log.c:dav1d_msac_decode_bools

Unexecuted instantiation: mem.c:dav1d_msac_decode_bools

Unexecuted instantiation: obu.c:dav1d_msac_decode_bools

Unexecuted instantiation: picture.c:dav1d_msac_decode_bools

Unexecuted instantiation: thread_task.c:dav1d_msac_decode_bools

Unexecuted instantiation: cdf.c:dav1d_msac_decode_bools

Unexecuted instantiation: decode.c:dav1d_msac_decode_bools

Unexecuted instantiation: msac.c:dav1d_msac_decode_bools

Unexecuted instantiation: recon_tmpl.c:dav1d_msac_decode_bools

Unexecuted instantiation: cdef_apply_tmpl.c:dav1d_msac_decode_bools

Unexecuted instantiation: lf_apply_tmpl.c:dav1d_msac_decode_bools

Unexecuted instantiation: lr_apply_tmpl.c:dav1d_msac_decode_bools

static inline int dav1d_msac_decode_uniform(MsacContext *const s, const unsigned n) {

    assert(n > 0);

    const int l = ulog2(n) + 1;

    assert(l > 1);

    const unsigned m = (1 << l) - n;

    const unsigned v = dav1d_msac_decode_bools(s, l - 1);

    return v < m ? v : (v << 1) - m + dav1d_msac_decode_bool_equi(s);

}

Unexecuted instantiation: lib.c:dav1d_msac_decode_uniform

Unexecuted instantiation: log.c:dav1d_msac_decode_uniform

Unexecuted instantiation: mem.c:dav1d_msac_decode_uniform

Unexecuted instantiation: obu.c:dav1d_msac_decode_uniform

Unexecuted instantiation: picture.c:dav1d_msac_decode_uniform

Unexecuted instantiation: thread_task.c:dav1d_msac_decode_uniform

Unexecuted instantiation: cdf.c:dav1d_msac_decode_uniform

Unexecuted instantiation: decode.c:dav1d_msac_decode_uniform

Unexecuted instantiation: msac.c:dav1d_msac_decode_uniform

Unexecuted instantiation: recon_tmpl.c:dav1d_msac_decode_uniform

Unexecuted instantiation: cdef_apply_tmpl.c:dav1d_msac_decode_uniform

Unexecuted instantiation: lf_apply_tmpl.c:dav1d_msac_decode_uniform

Unexecuted instantiation: lr_apply_tmpl.c:dav1d_msac_decode_uniform

#endif /* DAV1D_SRC_MSAC_H */