2 This file is part of PulseAudio.
4 Copyright 2004-2006 Lennart Poettering
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
30 #include <pulse/sample.h>
31 #include <pulsecore/log.h>
32 #include <pulsecore/macro.h>
33 #include <pulsecore/core-error.h>
34 #include <pulsecore/core-util.h>
35 #include <pulsecore/core-scache.h>
36 #include <pulsecore/sndfile-util.h>
38 #include "sound-file.h"
40 int pa_sound_file_load(
52 sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames) = NULL;
60 pa_memchunk_reset(chunk);
62 if ((fd = pa_open_cloexec(fname, O_RDONLY, 0)) < 0) {
63 pa_log("Failed to open file %s: %s", fname, pa_cstrerror(errno));
67 #ifdef HAVE_POSIX_FADVISE
68 if (posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL) < 0) {
69 pa_log_warn("POSIX_FADV_SEQUENTIAL failed: %s", pa_cstrerror(errno));
72 pa_log_debug("POSIX_FADV_SEQUENTIAL succeeded.");
76 if (!(sf = sf_open_fd(fd, SFM_READ, &sfi, 1))) {
77 pa_log("Failed to open file %s", fname);
86 if (pa_sndfile_read_sample_spec(sf, ss) < 0) {
87 pa_log("Failed to determine file sample format.");
91 if ((map && pa_sndfile_read_channel_map(sf, map) < 0)) {
93 pa_log("Failed to determine file channel map, synthesizing one.");
94 pa_channel_map_init_extend(map, ss->channels, PA_CHANNEL_MAP_DEFAULT);
98 pa_sndfile_init_proplist(sf, p);
100 if ((l = pa_frame_size(ss) * (size_t) sfi.frames) > PA_SCACHE_ENTRY_SIZE_MAX) {
101 pa_log("File too large");
105 chunk->memblock = pa_memblock_new(pool, l);
109 readf_function = pa_sndfile_readf_function(ss);
111 ptr = pa_memblock_acquire(chunk->memblock);
113 if ((readf_function && readf_function(sf, ptr, sfi.frames) != sfi.frames) ||
114 (!readf_function && sf_read_raw(sf, ptr, (sf_count_t) l) != (sf_count_t) l)) {
115 pa_log("Premature file end");
127 pa_memblock_release(chunk->memblock);
129 if (ret != 0 && chunk->memblock)
130 pa_memblock_unref(chunk->memblock);
138 int pa_sound_file_too_big_to_cache(const char *fname) {
147 if (!(sf = sf_open(fname, SFM_READ, &sfi))) {
148 pa_log("Failed to open file %s", fname);
152 if (pa_sndfile_read_sample_spec(sf, &ss) < 0) {
153 pa_log("Failed to determine file sample format.");
160 if ((pa_frame_size(&ss) * (size_t) sfi.frames) > PA_SCACHE_ENTRY_SIZE_MAX) {
161 pa_log("File too large: %s", fname);