1
0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-07 11:13:41 +02:00
FFmpeg/libavfilter/af_volume.h
Michael Niedermayer 54a71f2e6c Merge commit 'b519298a1578e0c895d53d4b4ed8867b1c031a56'
* commit 'b519298a1578e0c895d53d4b4ed8867b1c031a56':
  pixdesc: fix yuva 10bit bit depth
  avconv: deprecate the -vol option
  x86: af_volume: add SSE2/SSSE3/AVX-optimized s32 volume scaling
  x86: af_volume: add SSE2-optimized s16 volume scaling

Conflicts:
	ffmpeg.c
	tests/ref/lavfi/pixdesc
	tests/ref/lavfi/pixfmts_copy
	tests/ref/lavfi/pixfmts_null
	tests/ref/lavfi/pixfmts_scale
	tests/ref/lavfi/pixfmts_vflip

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-12-06 15:55:47 +01:00

56 lines
1.5 KiB
C

/*
* 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
*/
/**
* @file
* audio volume filter
*/
#ifndef AVFILTER_AF_VOLUME_H
#define AVFILTER_AF_VOLUME_H
#include "libavutil/common.h"
#include "libavutil/float_dsp.h"
#include "libavutil/opt.h"
#include "libavutil/samplefmt.h"
enum PrecisionType {
PRECISION_FIXED = 0,
PRECISION_FLOAT,
PRECISION_DOUBLE,
};
typedef struct VolumeContext {
const AVClass *class;
AVFloatDSPContext fdsp;
enum PrecisionType precision;
double volume;
int volume_i;
int channels;
int planes;
enum AVSampleFormat sample_fmt;
void (*scale_samples)(uint8_t *dst, const uint8_t *src, int nb_samples,
int volume);
int samples_align;
} VolumeContext;
void ff_volume_init_x86(VolumeContext *vol);
#endif /* AVFILTER_AF_VOLUME_H */