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https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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ac595189fd
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@138 fefdeb5f-60dc-0310-8127-8f9354f1896f
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/* $Id$ */
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/***
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This file is part of polypaudio.
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polypaudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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polypaudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with polypaudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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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, struct pa_memblock_stat *s) {
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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, s);
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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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