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code.delx.au - pulseaudio/blob - src/polypcore/sample-util.h
da7f56e1578d960f6951b2b76c8d60f3b77c966c
1 #ifndef foosampleutilhfoo
2 #define foosampleutilhfoo
7 This file is part of polypaudio.
9 polypaudio is free software; you can redistribute it and/or modify
10 it under the terms of the GNU Lesser General Public License as published
11 by the Free Software Foundation; either version 2 of the License,
12 or (at your option) any later version.
14 polypaudio is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with polypaudio; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
25 #include <polyp/sample.h>
26 #include <polyp/volume.h>
27 #include <polypcore/memblock.h>
28 #include <polypcore/memchunk.h>
30 pa_memblock
*pa_silence_memblock(pa_memblock
* b
, const pa_sample_spec
*spec
);
31 pa_memblock
*pa_silence_memblock_new(const pa_sample_spec
*spec
, size_t length
, pa_memblock_stat
*s
);
32 void pa_silence_memchunk(pa_memchunk
*c
, const pa_sample_spec
*spec
);
33 void pa_silence_memory(void *p
, size_t length
, const pa_sample_spec
*spec
);
35 typedef struct pa_mix_info
{
42 const pa_mix_info channels
[],
46 const pa_sample_spec
*spec
,
47 const pa_cvolume
*volume
,
50 void pa_volume_memchunk(
52 const pa_sample_spec
*spec
,
53 const pa_cvolume
*volume
);