MPD
0.20.6
Main Page
Namespaces
Data Structures
Files
File List
Globals
pcm
Resampler.hxx
Go to the documentation of this file.
1
/*
2
* Copyright 2003-2017 The Music Player Daemon Project
3
* http://www.musicpd.org
4
*
5
* This program is free software; you can redistribute it and/or modify
6
* it under the terms of the GNU General Public License as published by
7
* the Free Software Foundation; either version 2 of the License, or
8
* (at your option) any later version.
9
*
10
* This program is distributed in the hope that it will be useful,
11
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
* GNU General Public License for more details.
14
*
15
* You should have received a copy of the GNU General Public License along
16
* with this program; if not, write to the Free Software Foundation, Inc.,
17
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18
*/
19
20
#ifndef MPD_PCM_RESAMPLER_HXX
21
#define MPD_PCM_RESAMPLER_HXX
22
23
#include "
util/ConstBuffer.hxx
"
24
#include "
Compiler.h
"
25
26
struct
AudioFormat
;
27
32
class
PcmResampler
{
33
public
:
34
virtual
~PcmResampler
() {}
35
48
virtual
AudioFormat
Open
(
AudioFormat
&af,
49
unsigned
new_sample_rate) = 0;
50
55
virtual
void
Close
() = 0;
56
60
virtual
void
Reset
() {
61
}
62
70
gcc_pure
71
virtual
ConstBuffer<void>
Resample
(
ConstBuffer<void>
src) = 0;
72
};
73
74
#endif
AudioFormat
This structure describes the format of a raw PCM stream.
Definition:
AudioFormat.hxx:37
ConstBuffer< void >
Definition:
ConstBuffer.hxx:45
PcmResampler::Close
virtual void Close()=0
Closes the resampler.
PcmResampler::Open
virtual AudioFormat Open(AudioFormat &af, unsigned new_sample_rate)=0
Opens the resampler, preparing it for Resample().
PcmResampler::Resample
virtual gcc_pure ConstBuffer< void > Resample(ConstBuffer< void > src)=0
Resamples a block of PCM data.
Compiler.h
PcmResampler::Reset
virtual void Reset()
Reset the filter's state, e.g.
Definition:
Resampler.hxx:60
PcmResampler::~PcmResampler
virtual ~PcmResampler()
Definition:
Resampler.hxx:34
PcmResampler
This is an interface for plugins that convert PCM data to a specific sample rate. ...
Definition:
Resampler.hxx:32
ConstBuffer.hxx
gcc_pure
#define gcc_pure
Definition:
Compiler.h:116
Generated on Mon Aug 21 2017 12:02:07 for MPD by
1.8.9.1