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#ifndef foosampleutilhfoo
#define foosampleutilhfoo
/* $Id$ */
/***
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.
***/
#include <polyp/sample.h>
#include <polyp/volume.h>
#include <polypcore/memblock.h>
#include <polypcore/memchunk.h>
pa_memblock *pa_silence_memblock(pa_memblock* b, const pa_sample_spec *spec);
pa_memblock *pa_silence_memblock_new(const pa_sample_spec *spec, size_t length, pa_memblock_stat*s);
void pa_silence_memchunk(pa_memchunk *c, const pa_sample_spec *spec);
void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec);
typedef struct pa_mix_info {
pa_memchunk chunk;
pa_cvolume volume;
void *userdata;
} pa_mix_info;
size_t pa_mix(
const pa_mix_info channels[],
unsigned nchannels,
void *data,
size_t length,
const pa_sample_spec *spec,
const pa_cvolume *volume,
int mute);
void pa_volume_memchunk(
pa_memchunk*c,
const pa_sample_spec *spec,
const pa_cvolume *volume);
#endif
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