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#include <string.h>
#include <assert.h>
#include <sndfile.h>
#include "sound-file.h"
#include "sample.h"
#define MAX_FILE_SIZE (1024*1024)
int pa_sound_file_load(const char *fname, struct pa_sample_spec *ss, struct pa_memchunk *chunk, struct pa_memblock_stat *s) {
SNDFILE*sf = NULL;
SF_INFO sfinfo;
int ret = -1;
size_t l;
assert(fname && ss && chunk);
memset(&sfinfo, 0, sizeof(sfinfo));
chunk->memblock = NULL;
chunk->index = chunk->length = 0;
if (!(sf = sf_open(fname, SFM_READ, &sfinfo))) {
fprintf(stderr, __FILE__": Failed to open file %s\n", fname);
goto finish;
}
ss->format = PA_SAMPLE_FLOAT32;
ss->rate = sfinfo.samplerate;
ss->channels = sfinfo.channels;
if (!pa_sample_spec_valid(ss)) {
fprintf(stderr, __FILE__": Unsupported sample format in file %s\n", fname);
goto finish;
}
if ((l = pa_frame_size(ss)*sfinfo.frames) > MAX_FILE_SIZE) {
fprintf(stderr, __FILE__": File to large\n");
goto finish;
}
chunk->memblock = pa_memblock_new(l, s);
assert(chunk->memblock);
chunk->index = 0;
chunk->length = l;
if (sf_readf_float(sf, chunk->memblock->data, sfinfo.frames) != sfinfo.frames) {
fprintf(stderr, __FILE__": Premature file end\n");
goto finish;
}
ret = 0;
finish:
if (sf)
sf_close(sf);
if (ret != 0 && chunk->memblock)
pa_memblock_unref(chunk->memblock);
return ret;
}
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