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Update manual for new CLI options.
[dcpomatic.git]
/
src
/
lib
/
audio_filter.h
diff --git
a/src/lib/audio_filter.h
b/src/lib/audio_filter.h
index b44175cbcd78704d670ef9cbe2094adcb83f1faa..86fdce590cf0a5dc6eddba42ad8566779c332c73 100644
(file)
--- a/
src/lib/audio_filter.h
+++ b/
src/lib/audio_filter.h
@@
-1,33
+1,42
@@
/*
/*
- Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2014
-2021
Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
This program
is distributed in the hope that it will be useful,
+
DCP-o-matic
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 General Public License
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 General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
*/
-#include <boost/shared_ptr.hpp>
+#ifndef DCPOMATIC_AUDIO_FILTER_H
+#define DCPOMATIC_AUDIO_FILTER_H
+
+
+#include <memory>
#include <vector>
#include <vector>
+
class AudioBuffers;
class AudioBuffers;
-class audio_filter_impulse_kernel_test;
struct audio_filter_impulse_input_test;
struct audio_filter_impulse_input_test;
+
+/** An audio filter which can take AudioBuffers and apply some filtering operation,
+ * returning filtered samples
+ */
class AudioFilter
{
public:
class AudioFilter
{
public:
- AudioFilter (float transition_bandwidth)
+
explicit
AudioFilter (float transition_bandwidth)
{
_M = 4 / transition_bandwidth;
if (_M % 2) {
{
_M = 4 / transition_bandwidth;
if (_M % 2) {
@@
-35,7
+44,9
@@
public:
}
}
}
}
- boost::shared_ptr<AudioBuffers> run (boost::shared_ptr<AudioBuffers> in);
+ virtual ~AudioFilter () {}
+
+ std::shared_ptr<AudioBuffers> run (std::shared_ptr<const AudioBuffers> in);
void flush ();
void flush ();
@@
-47,9
+58,10
@@
protected:
std::vector<float> _ir;
int _M;
std::vector<float> _ir;
int _M;
-
boost
::shared_ptr<AudioBuffers> _tail;
+
std
::shared_ptr<AudioBuffers> _tail;
};
};
+
class LowPassAudioFilter : public AudioFilter
{
public:
class LowPassAudioFilter : public AudioFilter
{
public:
@@
-60,6
+72,7
@@
public:
LowPassAudioFilter (float transition_bandwidth, float cutoff);
};
LowPassAudioFilter (float transition_bandwidth, float cutoff);
};
+
class HighPassAudioFilter : public AudioFilter
{
public:
class HighPassAudioFilter : public AudioFilter
{
public:
@@
-70,6
+83,7
@@
public:
HighPassAudioFilter (float transition_bandwidth, float cutoff);
};
HighPassAudioFilter (float transition_bandwidth, float cutoff);
};
+
class BandPassAudioFilter : public AudioFilter
{
public:
class BandPassAudioFilter : public AudioFilter
{
public:
@@
-80,3
+94,6
@@
public:
*/
BandPassAudioFilter (float transition_bandwidth, float lower, float higher);
};
*/
BandPassAudioFilter (float transition_bandwidth, float lower, float higher);
};
+
+
+#endif