repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
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_shift; | |
| 44 | int phase_mask; | |
| 45 | int linear; | |
| 46 | enum SwrFilterType filter_type; | |
| 47 | int kaiser_beta; | |
| 48 | double factor; | |
| 49 | enum AVSampleFormat format; | |
| 50 | int felem_size; | |
| 51 | int filter_shift; | |
| 52 | ||
| 53 | struct { | |
| 54 | void (*resample_one)(void *dst, const void *src, | |
| 55 | int n, int64_t index, int64_t incr); | |
| 56 | int (*resample)(struct ResampleContext *c, void *dst, | |
| 57 | const void *src, int n, int update_ctx); | |
| 58 | } dsp; | |
| 59 | } ResampleContext; | |
| 60 | ||
| 61 | void swri_resample_dsp_init(ResampleContext *c); | |
| 62 | void swri_resample_dsp_x86_init(ResampleContext *c); | |
| 63 | ||
| 64 | #endif /* SWRESAMPLE_RESAMPLE_H */ |