/usr/include/faust/sound-file.h is in faust-common 0.9.95~repack1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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FAUST Architecture File
Copyright (C) 2003-2016 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This Architecture section is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3 of
the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; If not, see <http://www.gnu.org/licenses/>.
EXCEPTION : As a special exception, you may create a larger work
that contains this FAUST architecture section and distribute
that work under terms of your choice, so long as this FAUST
architecture section is not modified.
************************************************************************
************************************************************************/
#ifndef __SoundFileReader__
#define __SoundFileReader__
#include <sndfile.h>
#include <stdlib.h>
#define BUFFER_SIZE 1024
#ifndef FAUSTFLOAT
#define READ_SAMPLE sf_readf_float
#define FAUSTFLOAT float
#else
#define READ_SAMPLE sf_readf_double
#define FAUSTFLOAT double
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct SoundFileReader {
FAUSTFLOAT** fBuffer;
SNDFILE* fSoundFile;
int fChannels;
int fFramesNum;
} SoundFileReader;
inline static SoundFileReader* createSFR(const char* name)
{
SoundFileReader* reader = (SoundFileReader*)calloc(1, sizeof(SoundFileReader));
if (!reader) return NULL;
{
SF_INFO snd_info;
snd_info.format = 0;
reader->fSoundFile = sf_open(name, SFM_READ, &snd_info);
if (!reader->fSoundFile) {
printf("soundfile '%s' cannot be opened\n", name);
goto error;
}
reader->fChannels = snd_info.channels;
reader->fFramesNum = snd_info.frames;
reader->fBuffer = (FAUSTFLOAT**)malloc(reader->fChannels * sizeof(FAUSTFLOAT*));
if (!reader) goto error;
for (int i = 0; i < reader->fChannels; i++) {
reader->fBuffer[i] = (FAUSTFLOAT*)malloc(reader->fFramesNum * sizeof(FAUSTFLOAT));
if (!reader->fBuffer[i]) goto error;
}
// Read file in memory
int nbf, cur_index = 0;
FAUSTFLOAT buffer[BUFFER_SIZE * reader->fChannels];
do {
nbf = READ_SAMPLE(reader->fSoundFile, buffer, BUFFER_SIZE);
for (int sample = 0; sample < nbf; sample++) {
for (int chan = 0; chan < reader->fChannels; chan++) {
reader->fBuffer[chan][cur_index + sample] = buffer[sample * reader->fChannels + chan];
}
}
cur_index += nbf;
} while (nbf == BUFFER_SIZE);
return reader;
}
error:
if (reader->fBuffer) free(reader->fBuffer);
if (reader) free(reader);
return NULL;
}
inline static void destroySFR(SoundFileReader* reader)
{
if (reader) {
sf_close(reader->fSoundFile);
for (int i = 0; i < reader->fChannels; i++) {
free(reader->fBuffer[i]);
}
free(reader->fBuffer);
free(reader);
}
}
inline static int sizeSFR(SoundFileReader* reader)
{
return (reader) ? reader->fFramesNum : 1;
}
inline static int channelsSFR(SoundFileReader* reader)
{
return (reader) ? reader->fChannels : 1;
}
inline static FAUSTFLOAT sampleSFR(SoundFileReader* reader, int channel, int index)
{
return (reader) ? reader->fBuffer[channel][index] : 0.f;
}
#ifdef __cplusplus
}
#endif
#endif
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