falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94980 Commits
32 Branches
283MB
Tree: f9f9d5943f
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'f9f9d5943f'
${ noResults }
FFmpeg/libswresample/resample.h

69 lines
2.2KB
Raw Blame History 

  1. /*

  2.  * audio resampling

  3.  * Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>

  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 SWRESAMPLE_RESAMPLE_H

  23. #define SWRESAMPLE_RESAMPLE_H

  24. 

  25. #include "libavutil/log.h"

  26. #include "libavutil/samplefmt.h"

  27. 

  28. #include "swresample_internal.h"

  29. 

  30. typedef struct ResampleContext {

  31.     const AVClass *av_class;

  32.     uint8_t *filter_bank;

  33.     int filter_length;

  34.     int filter_alloc;

  35.     int ideal_dst_incr;

  36.     int dst_incr;

  37.     int dst_incr_div;

  38.     int dst_incr_mod;

  39.     int index;

  40.     int frac;

  41.     int src_incr;

  42.     int compensation_distance;

  43.     int phase_count;

  44.     int linear;

  45.     enum SwrFilterType filter_type;

  46.     double kaiser_beta;

  47.     double factor;

  48.     enum AVSampleFormat format;

  49.     int felem_size;

  50.     int filter_shift;

  51.     int phase_count_compensation;      /* desired phase_count when compensation is enabled */

  52. 

  53.     struct {

  54.         void (*resample_one)(void *dst, const void *src,

  55.                              int n, int64_t index, int64_t incr);

  56.         int (*resample_common)(struct ResampleContext *c, void *dst,

  57.                                const void *src, int n, int update_ctx);

  58.         int (*resample_linear)(struct ResampleContext *c, void *dst,

  59.                                const void *src, int n, int update_ctx);

  60.     } dsp;

  61. } ResampleContext;

  62. 

  63. void swri_resample_dsp_init(ResampleContext *c);

  64. void swri_resample_dsp_x86_init(ResampleContext *c);

  65. void swri_resample_dsp_arm_init(ResampleContext *c);

  66. void swri_resample_dsp_aarch64_init(ResampleContext *c);

  67. 

  68. #endif /* SWRESAMPLE_RESAMPLE_H */