3 * Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>
5 * This file is part of FFmpeg.
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.
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.
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
25 * @author Michael Niedermayer <michaelni@gmx.at>
30 int swri_resample_common_int16 (ResampleContext *c, int16_t *dst, const int16_t *src, int n, int update_ctx);
31 int swri_resample_common_int32 (ResampleContext *c, int32_t *dst, const int32_t *src, int n, int update_ctx);
32 int swri_resample_common_float (ResampleContext *c, float *dst, const float *src, int n, int update_ctx);
33 int swri_resample_common_double(ResampleContext *c, double *dst, const double *src, int n, int update_ctx);
34 int swri_resample_linear_int16 (ResampleContext *c, int16_t *dst, const int16_t *src, int n, int update_ctx);
35 int swri_resample_linear_int32 (ResampleContext *c, int32_t *dst, const int32_t *src, int n, int update_ctx);
36 int swri_resample_linear_float (ResampleContext *c, float *dst, const float *src, int n, int update_ctx);
37 int swri_resample_linear_double(ResampleContext *c, double *dst, const double *src, int n, int update_ctx);
39 #define DO_RESAMPLE_ONE 1
41 #define TEMPLATE_RESAMPLE_S16
42 #include "resample_template.c"
43 #undef TEMPLATE_RESAMPLE_S16
45 #define TEMPLATE_RESAMPLE_S32
46 #include "resample_template.c"
47 #undef TEMPLATE_RESAMPLE_S32
49 #define TEMPLATE_RESAMPLE_FLT
50 #include "resample_template.c"
51 #undef TEMPLATE_RESAMPLE_FLT
53 #define TEMPLATE_RESAMPLE_DBL
54 #include "resample_template.c"
55 #undef TEMPLATE_RESAMPLE_DBL
57 #undef DO_RESAMPLE_ONE
59 void swresample_dsp_init(ResampleContext *c)
61 #define FNIDX(fmt) (AV_SAMPLE_FMT_##fmt - AV_SAMPLE_FMT_S16P)
62 c->dsp.resample_one[FNIDX(S16P)] = (resample_one_fn) resample_one_int16;
63 c->dsp.resample_one[FNIDX(S32P)] = (resample_one_fn) resample_one_int32;
64 c->dsp.resample_one[FNIDX(FLTP)] = (resample_one_fn) resample_one_float;
65 c->dsp.resample_one[FNIDX(DBLP)] = (resample_one_fn) resample_one_double;
67 c->dsp.resample_common[FNIDX(S16P)] = (resample_fn) swri_resample_common_int16;
68 c->dsp.resample_common[FNIDX(S32P)] = (resample_fn) swri_resample_common_int32;
69 c->dsp.resample_common[FNIDX(FLTP)] = (resample_fn) swri_resample_common_float;
70 c->dsp.resample_common[FNIDX(DBLP)] = (resample_fn) swri_resample_common_double;
72 c->dsp.resample_linear[FNIDX(S16P)] = (resample_fn) swri_resample_linear_int16;
73 c->dsp.resample_linear[FNIDX(S32P)] = (resample_fn) swri_resample_linear_int32;
74 c->dsp.resample_linear[FNIDX(FLTP)] = (resample_fn) swri_resample_linear_float;
75 c->dsp.resample_linear[FNIDX(DBLP)] = (resample_fn) swri_resample_linear_double;
77 if (ARCH_X86) swresample_dsp_x86_init(c);