/usr/include/soxr-lsr.h is in libsoxr-dev 0.1.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | /* SoX Resampler Library Copyright (c) 2007-13 robs@users.sourceforge.net
*
* This library 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.
*
* This library 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 this library; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* Wrapper compatible with `libsamplerate' (constant-rate).
* (Libsoxr's native API can be found in soxr.h). */
#if !defined SAMPLERATE_H
#define SAMPLERATE_H
#if defined __cplusplus
extern "C" {
#endif
#if defined SOXR_DLL
#if defined soxr_lsr_EXPORTS
#define SOXR __declspec(dllexport)
#else
#define SOXR __declspec(dllimport)
#endif
#elif defined SOXR_VISIBILITY && defined __GNUC__ && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 1)
#define SOXR __attribute__ ((visibility("default")))
#else
#define SOXR
#endif
typedef float SRC_SAMPLE;
#if !defined SOXR_LIB
enum SRC_SRCTYPE_e {SRC_SINC_BEST_QUALITY, SRC_SINC_MEDIUM_QUALITY,
SRC_SINC_FASTEST, SRC_ZERO_ORDER_HOLD, SRC_LINEAR};
typedef int SRC_SRCTYPE;
typedef int SRC_ERROR;
typedef long (* src_callback_t)(void *, SRC_SAMPLE * *);
typedef struct SRC_STATE SRC_STATE;
typedef struct SRC_DATA {
SRC_SAMPLE * data_in, * data_out;
long input_frames, output_frames;
long input_frames_used, output_frames_gen;
int end_of_input;
double src_ratio;
} SRC_DATA;
#endif
SOXR SRC_STATE * src_new(SRC_SRCTYPE, int num_channels, SRC_ERROR *);
SOXR SRC_ERROR src_process (SRC_STATE *, SRC_DATA *);
SOXR SRC_ERROR src_set_ratio(SRC_STATE *, double);
SOXR SRC_ERROR src_reset (SRC_STATE *);
SOXR SRC_ERROR src_error (SRC_STATE *);
SOXR SRC_STATE * src_delete (SRC_STATE *);
SOXR SRC_STATE * src_callback_new(
src_callback_t, SRC_SRCTYPE, int, SRC_ERROR *, void *);
SOXR long src_callback_read(
SRC_STATE *, double src_ratio, long, SRC_SAMPLE *);
SOXR SRC_ERROR src_simple(SRC_DATA *, SRC_SRCTYPE, int);
SOXR char const * src_get_name(SRC_SRCTYPE);
SOXR char const * src_get_description(SRC_SRCTYPE);
SOXR char const * src_get_version(void);
SOXR char const * src_strerror(SRC_ERROR);
SOXR int src_is_valid_ratio(double);
SOXR void src_short_to_float_array(short const *, float *, int);
SOXR void src_float_to_short_array(float const *, short *, int);
SOXR void src_int_to_float_array(int const *, float *, int);
SOXR void src_float_to_int_array(float const *, int *, int);
#undef SOXR
#if defined __cplusplus
}
#endif
#endif
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