FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/dcaadpcm.h
Date: 2021-09-24 20:55:06
Exec Total Coverage
Lines: 6 6 100.0%
Branches: 2 2 100.0%

Line Branch Exec Source
1 /*
2 * DCA ADPCM engine
3 * Copyright (C) 2017 Daniil Cherednik
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #ifndef AVCODEC_DCAADPCM_H
23 #define AVCODEC_DCAADPCM_H
24
25 #include "dcamath.h"
26 #include "dcadata.h"
27 #include "dcaenc.h"
28
29 typedef struct DCAADPCMEncContext {
30 void *private_data;
31 } DCAADPCMEncContext;
32
33 392496 static inline int64_t ff_dcaadpcm_predict(int pred_vq_index, const int32_t *input)
34 {
35 int i;
36 392496 const int16_t *coeff = ff_dca_adpcm_vb[pred_vq_index];
37 392496 int64_t pred = 0;
38
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✓ Branch 0 taken 1569984 times.
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1962480 for (i = 0; i < DCA_ADPCM_COEFFS; i++)
39 1569984 pred += (int64_t)input[DCA_ADPCM_COEFFS - 1 - i] * coeff[i];
40
41 392496 return clip23(norm13(pred));
42 }
43
44 int ff_dcaadpcm_subband_analysis(const DCAADPCMEncContext *s, const int32_t *input, int len, int *diff);
45
46 int ff_dcaadpcm_do_real(int pred_vq_index,
47 softfloat quant, int32_t scale_factor, int32_t step_size,
48 const int32_t *prev_hist, const int32_t *in, int32_t *next_hist, int32_t *out,
49 int len, int32_t peak);
50
51 av_cold int ff_dcaadpcm_init(DCAADPCMEncContext *s);
52 av_cold void ff_dcaadpcm_free(DCAADPCMEncContext *s);
53
54 #endif /* AVCODEC_DCAADPCM_H */
55