diff options
Diffstat (limited to 'polyp/sound-file.c')
-rw-r--r-- | polyp/sound-file.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/polyp/sound-file.c b/polyp/sound-file.c deleted file mode 100644 index 0048ed74..00000000 --- a/polyp/sound-file.c +++ /dev/null @@ -1,139 +0,0 @@ -/* $Id$ */ - -/*** - This file is part of polypaudio. - - polypaudio is free software; you can redistribute it and/or modify - it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, - or (at your option) any later version. - - polypaudio 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 Lesser General Public License - along with polypaudio; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - USA. -***/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <string.h> -#include <assert.h> - -#include <sndfile.h> - -#include "sound-file.h" -#include "sample.h" -#include "log.h" - -#define MAX_FILE_SIZE (1024*1024) - -int pa_sound_file_load(const char *fname, pa_sample_spec *ss, pa_memchunk *chunk, pa_memblock_stat *s) { - SNDFILE*sf = NULL; - SF_INFO sfinfo; - int ret = -1; - size_t l; - sf_count_t (*readf_function)(SNDFILE *sndfile, void *ptr, sf_count_t frames); - assert(fname && ss && chunk); - - chunk->memblock = NULL; - chunk->index = chunk->length = 0; - - memset(&sfinfo, 0, sizeof(sfinfo)); - - if (!(sf = sf_open(fname, SFM_READ, &sfinfo))) { - pa_log(__FILE__": Failed to open file %s\n", fname); - goto finish; - } - - switch (sfinfo.format & SF_FORMAT_SUBMASK) { - case SF_FORMAT_FLOAT: - case SF_FORMAT_DOUBLE: - /* Only float and double need a special case. */ - ss->format = PA_SAMPLE_FLOAT32NE; - readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_float; - break; - default: - /* Everything else is cleanly converted to signed 16 bit. */ - ss->format = PA_SAMPLE_S16NE; - readf_function = (sf_count_t (*)(SNDFILE *sndfile, void *ptr, sf_count_t frames)) sf_readf_short; - break; - } - - ss->rate = sfinfo.samplerate; - ss->channels = sfinfo.channels; - - if (!pa_sample_spec_valid(ss)) { - pa_log(__FILE__": Unsupported sample format in file %s\n", fname); - goto finish; - } - - if ((l = pa_frame_size(ss)*sfinfo.frames) > MAX_FILE_SIZE) { - pa_log(__FILE__": File too large\n"); - goto finish; - } - - chunk->memblock = pa_memblock_new(l, s); - assert(chunk->memblock); - chunk->index = 0; - chunk->length = l; - - if (readf_function(sf, chunk->memblock->data, sfinfo.frames) != sfinfo.frames) { - pa_log(__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; - -} - -int pa_sound_file_too_big_to_cache(const char *fname) { - SNDFILE*sf = NULL; - SF_INFO sfinfo; - pa_sample_spec ss; - - if (!(sf = sf_open(fname, SFM_READ, &sfinfo))) { - pa_log(__FILE__": Failed to open file %s\n", fname); - return 0; - } - - sf_close(sf); - - switch (sfinfo.format & SF_FORMAT_SUBMASK) { - case SF_FORMAT_FLOAT: - case SF_FORMAT_DOUBLE: - /* Only float and double need a special case. */ - ss.format = PA_SAMPLE_FLOAT32NE; - break; - default: - /* Everything else is cleanly converted to signed 16 bit. */ - ss.format = PA_SAMPLE_S16NE; - break; - } - - ss.rate = sfinfo.samplerate; - ss.channels = sfinfo.channels; - - if ((pa_frame_size(&ss) * sfinfo.frames) > MAX_FILE_SIZE) { - pa_log(__FILE__": File too large %s\n", fname); - return 1; - } - - return 0; -} |