102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/*
|
|
* copyright (c) 2001 Fabrice Bellard
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef AVCODEC_H
|
|
#define AVCODEC_H
|
|
|
|
/* Just a heavily bastardized version of the original file from
|
|
* ffmpeg, just enough to get resample2.c to compile without
|
|
* modification -- Lennart */
|
|
|
|
#if defined(HAVE_CONFIG_H)
|
|
#include <chromaprint_config.h>
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
#include <stdint.h>
|
|
#include <math.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
|
|
typedef void *AVClass;
|
|
|
|
#define av_mallocz(l) calloc(1, (l))
|
|
#define av_malloc(l) malloc(l)
|
|
#define av_realloc(p,l) realloc((p),(l))
|
|
#define av_free(p) free(p)
|
|
|
|
#ifdef _MSC_VER
|
|
#define CHROMAPRINT_C_INLINE __inline
|
|
#else
|
|
#define CHROMAPRINT_C_INLINE inline
|
|
#endif
|
|
|
|
static CHROMAPRINT_C_INLINE void av_freep(void *k) {
|
|
void **p = (void **)k;
|
|
|
|
if (p) {
|
|
free(*p);
|
|
*p = NULL;
|
|
}
|
|
}
|
|
|
|
static CHROMAPRINT_C_INLINE int av_clip(int a, int amin, int amax)
|
|
{
|
|
if (a < amin) return amin;
|
|
else if (a > amax) return amax;
|
|
else return a;
|
|
}
|
|
|
|
#define av_log(a,b,c)
|
|
|
|
#define FFABS(a) ((a) >= 0 ? (a) : (-(a)))
|
|
#define FFSIGN(a) ((a) > 0 ? 1 : -1)
|
|
|
|
#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
|
|
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
|
|
|
|
struct AVResampleContext;
|
|
struct AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_length, int log2_phase_count, int linear, double cutoff);
|
|
int av_resample(struct AVResampleContext *c, short *dst, short *src, int *consumed, int src_size, int dst_size, int update_ctx);
|
|
void av_resample_compensate(struct AVResampleContext *c, int sample_delta, int compensation_distance);
|
|
void av_resample_close(struct AVResampleContext *c);
|
|
void av_build_filter(int16_t *filter, double factor, int tap_count, int phase_count, int scale, int type);
|
|
|
|
/* error handling */
|
|
#if EDOM > 0
|
|
#define AVERROR(e) (-(e)) ///< Returns a negative error code from a POSIX error code, to return from library functions.
|
|
#define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value.
|
|
#else
|
|
/* Some platforms have E* and errno already negated. */
|
|
#define AVERROR(e) (e)
|
|
#define AVUNERROR(e) (e)
|
|
#endif
|
|
|
|
/*
|
|
* crude lrintf for non-C99 systems.
|
|
*/
|
|
#ifndef HAVE_LRINTF
|
|
#define lrintf(x) ((long int)floor(x + 0.5))
|
|
#endif
|
|
|
|
#endif /* AVCODEC_H */
|