/*

 * DCA ADPCM engine

 * Copyright (C) 2017 Daniil Cherednik

 *

 * This file is part of FFmpeg.

 *

 * FFmpeg is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * FFmpeg is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with FFmpeg; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#ifndef AVCODEC_DCAADPCM_H

#define AVCODEC_DCAADPCM_H

#include "dcamath.h"

#include "dcadata.h"

#include "dcaenc.h"

typedef struct DCAADPCMEncContext {

    void *private_data;

} DCAADPCMEncContext;

static inline int64_t ff_dcaadpcm_predict(int pred_vq_index, const int32_t *input)

{

    int i;

    const int16_t *coeff = ff_dca_adpcm_vb[pred_vq_index];

    int64_t pred = 0;

    for (i = 0; i < DCA_ADPCM_COEFFS; i++)

        pred += (int64_t)input[DCA_ADPCM_COEFFS - 1 - i] * coeff[i];

    return clip23(norm13(pred));

}

Unexecuted instantiation: dcaenc.c:ff_dcaadpcm_predict

Unexecuted instantiation: dcaadpcm.c:ff_dcaadpcm_predict

dca_core.c:ff_dcaadpcm_predict

Line

Count

Source

34

1.95M

{

35

1.95M

    int i;

36

1.95M

    const int16_t *coeff = ff_dca_adpcm_vb[pred_vq_index];

37

1.95M

    int64_t pred = 0;

38

9.79M

    for (i = 0; i < DCA_ADPCM_COEFFS; i++)

39

7.83M

        pred += (int64_t)input[DCA_ADPCM_COEFFS - 1 - i] * coeff[i];

40

41

1.95M

    return clip23(norm13(pred));

42

1.95M

}

int ff_dcaadpcm_subband_analysis(const DCAADPCMEncContext *s, const int32_t *input, int len, int *diff);

int ff_dcaadpcm_do_real(int pred_vq_index,

                        softfloat quant, int32_t scale_factor, int32_t step_size,

                        const int32_t *prev_hist, const int32_t *in, int32_t *next_hist, int32_t *out,

                        int len, int32_t peak);

av_cold int ff_dcaadpcm_init(DCAADPCMEncContext *s);

av_cold void ff_dcaadpcm_free(DCAADPCMEncContext *s);

#endif /* AVCODEC_DCAADPCM_H */