mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-03 09:01:50 -05:00
65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
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#include <string.h>
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#include <assert.h>
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#include <sndfile.h>
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#include "sound-file.h"
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#include "sample.h"
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#define MAX_FILE_SIZE (1024*1024)
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int pa_sound_file_load(const char *fname, struct pa_sample_spec *ss, struct pa_memchunk *chunk) {
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SNDFILE*sf = NULL;
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SF_INFO sfinfo;
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int ret = -1;
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size_t l;
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assert(fname && ss && chunk);
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memset(&sfinfo, 0, sizeof(sfinfo));
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chunk->memblock = NULL;
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chunk->index = chunk->length = 0;
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if (!(sf = sf_open(fname, SFM_READ, &sfinfo))) {
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fprintf(stderr, __FILE__": Failed to open file %s\n", fname);
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goto finish;
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}
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ss->format = PA_SAMPLE_FLOAT32;
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ss->rate = sfinfo.samplerate;
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ss->channels = sfinfo.channels;
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if (!pa_sample_spec_valid(ss)) {
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fprintf(stderr, __FILE__": Unsupported sample format in file %s\n", fname);
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goto finish;
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}
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if ((l = pa_frame_size(ss)*sfinfo.frames) > MAX_FILE_SIZE) {
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fprintf(stderr, __FILE__": File to large\n");
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goto finish;
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}
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chunk->memblock = pa_memblock_new(l);
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assert(chunk->memblock);
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chunk->index = 0;
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chunk->length = l;
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if (sf_readf_float(sf, chunk->memblock->data, sfinfo.frames) != sfinfo.frames) {
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fprintf(stderr, __FILE__": Premature file end\n");
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goto finish;
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}
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ret = 0;
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finish:
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if (sf)
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sf_close(sf);
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if (ret != 0 && chunk->memblock)
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pa_memblock_unref(chunk->memblock);
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return ret;
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}
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