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Follow-Up of 7db3fa94a1 .
This was done by setting `CMAKE_C_INCLUDE_WHAT_YOU_USE` and
`CMAKE_CXX_INCLUDE_WHAT_YOU_USE` to (broken down into multiple lines here,
note, all below `FL/x.h` is not required for C):
```
include-what-you-use;
-Xiwyu;--mapping_file=/usr/share/include-what-you-use/qt5_11.imp;
-Xiwyu;--keep=*/xmmintrin.h;
-Xiwyu;--keep=*/lmmsconfig.h;
-Xiwyu;--keep=*/weak_libjack.h;
-Xiwyu;--keep=*/sys/*;
-Xiwyu;--keep=*/debug.h;
-Xiwyu;--keep=*/SDL/*;
-Xiwyu;--keep=*/alsa/*;
-Xiwyu;--keep=*/FL/x.h;
-Xiwyu;--keep=*/MidiApple.h;
-Xiwyu;--keep=*/MidiWinMM.h;
-Xiwyu;--keep=*/AudioSoundIo.h;
-Xiwyu;--keep=*/OpulenZ/adplug/*;
-Xiwyu;--keep=QPainterPath;
-Xiwyu;--keep=QtTest
```
FAQ:
* Q: Does this speed-up a completely fresh compile?
* A: No, I measured it.
* Q: Does it speed up anything else?
* A: Yes. If you change one header, it can reduce the number of CPP files
that your compiler needs to recompile, or your IDE has to re-scan.
* Q: What other reasons are for this PR?
* A: It's idiomatic to only include headers if you need them. Also, it will
reduce output for those who want to use IWYU for new PRs.
Background:
This is just a remainder PR of what I planned. My original idea was to setup
a CI which warns you of useless includes (but not of all issues that IWYU
complains about). However, I could not see that this was favored on Discord.
A full IWYU CI also has the problem that it (possibly??) needs to compile
with `make -j 1`, which would make CI really slow.
However, for that plan, I had to fix the whole code base to be IWYU
compliant - which it now is.
148 lines
3.4 KiB
C++
148 lines
3.4 KiB
C++
/*
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* AudioSoundIo.h - device-class that performs PCM-output via libsoundio
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*
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* Copyright (c) 2015 Andrew Kelley <superjoe30@gmail.com>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef LMMS_AUDIO_SOUNDIO_H
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#define LMMS_AUDIO_SOUNDIO_H
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#include "lmmsconfig.h"
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#include "ComboBoxModel.h" // IWYU pragma: keep
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#ifdef LMMS_HAVE_SOUNDIO
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#include <soundio/soundio.h>
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#include "AudioDevice.h"
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#include "AudioDeviceSetupWidget.h"
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namespace lmms
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{
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namespace gui
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{
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class ComboBox;
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class LcdSpinBox;
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}
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// Exists only to work around "Error: Meta object features not supported for nested classes"
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class AudioSoundIoSetupUtil : public QObject
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{
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Q_OBJECT
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public:
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virtual ~AudioSoundIoSetupUtil() = default;
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void *m_setupWidget;
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public slots:
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void updateDevices();
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void reconnectSoundIo();
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};
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class AudioSoundIo : public AudioDevice
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{
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public:
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AudioSoundIo( bool & _success_ful, AudioEngine* audioEngine );
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virtual ~AudioSoundIo();
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inline static QString name()
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{
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return QT_TRANSLATE_NOOP( "AudioDeviceSetupWidget", "soundio" );
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}
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class setupWidget : public gui::AudioDeviceSetupWidget
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{
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public:
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setupWidget( QWidget * _parent );
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virtual ~setupWidget();
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virtual void saveSettings();
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void updateDevices();
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void reconnectSoundIo();
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private:
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AudioSoundIoSetupUtil m_setupUtil;
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gui::ComboBox * m_backend;
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gui::ComboBox * m_device;
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ComboBoxModel m_backendModel;
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ComboBoxModel m_deviceModel;
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SoundIo * m_soundio;
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struct DeviceId {
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QString id;
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bool is_raw;
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};
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QList<DeviceId> m_deviceList;
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int m_defaultOutIndex;
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bool m_isFirst;
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} ;
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private:
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virtual void startProcessing();
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virtual void stopProcessing();
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SoundIo *m_soundio;
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SoundIoOutStream *m_outstream;
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SampleFrame* m_outBuf;
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int m_outBufSize;
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fpp_t m_outBufFramesTotal;
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fpp_t m_outBufFrameIndex;
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bool m_stopped;
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bool m_outstreamStarted;
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int m_disconnectErr;
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void onBackendDisconnect(int err);
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void writeCallback(int frame_count_min, int frame_count_max);
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void errorCallback(int err);
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void underflowCallback();
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static void staticWriteCallback(SoundIoOutStream *outstream, int frame_count_min, int frame_count_max) {
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return ((AudioSoundIo *)outstream->userdata)->writeCallback(frame_count_min, frame_count_max);
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}
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static void staticErrorCallback(SoundIoOutStream *outstream, int err) {
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return ((AudioSoundIo *)outstream->userdata)->errorCallback(err);
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}
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static void staticUnderflowCallback(SoundIoOutStream *outstream) {
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return ((AudioSoundIo *)outstream->userdata)->underflowCallback();
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}
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static void staticOnBackendDisconnect(SoundIo *soundio, int err) {
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return ((AudioSoundIo *)soundio->userdata)->onBackendDisconnect(err);
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}
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};
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} // namespace lmms
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#endif // LMMS_HAVE_SOUNDIO
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#endif // LMMS_AUDIO_SOUNDIO_H
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