OpenShot Library | libopenshot  0.2.7
Settings.cpp
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1 /**
2  * @file
3  * @brief Source file for global Settings class
4  * @author Jonathan Thomas <jonathan@openshot.org>
5  *
6  * @ref License
7  */
8 
9 /* LICENSE
10  *
11  * Copyright (c) 2008-2019 OpenShot Studios, LLC
12  * <http://www.openshotstudios.com/>. This file is part of
13  * OpenShot Library (libopenshot), an open-source project dedicated to
14  * delivering high quality video editing and animation solutions to the
15  * world. For more information visit <http://www.openshot.org/>.
16  *
17  * OpenShot Library (libopenshot) is free software: you can redistribute it
18  * and/or modify it under the terms of the GNU Lesser General Public License
19  * as published by the Free Software Foundation, either version 3 of the
20  * License, or (at your option) any later version.
21  *
22  * OpenShot Library (libopenshot) is distributed in the hope that it will be
23  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25  * GNU Lesser General Public License for more details.
26  *
27  * You should have received a copy of the GNU Lesser General Public License
28  * along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
29  */
30 
31 #include <cstdlib> // For std::getenv
32 
33 #include "Settings.h"
34 
35 using namespace openshot;
36 
37 // Global reference to Settings
38 Settings *Settings::m_pInstance = nullptr;
39 
40 // Create or Get an instance of the settings singleton
42 {
43  if (!m_pInstance) {
44  // Create the actual instance of Settings only once
45  m_pInstance = new Settings;
46  m_pInstance->HARDWARE_DECODER = 0;
47  m_pInstance->HIGH_QUALITY_SCALING = false;
48  m_pInstance->OMP_THREADS = 12;
49  m_pInstance->FF_THREADS = 8;
50  m_pInstance->DE_LIMIT_HEIGHT_MAX = 1100;
51  m_pInstance->DE_LIMIT_WIDTH_MAX = 1950;
52  m_pInstance->HW_DE_DEVICE_SET = 0;
53  m_pInstance->HW_EN_DEVICE_SET = 0;
54  m_pInstance->PLAYBACK_AUDIO_DEVICE_NAME = "";
55  m_pInstance->DEBUG_TO_STDERR = false;
56  auto env_debug = std::getenv("LIBOPENSHOT_DEBUG");
57  if (env_debug != nullptr)
58  m_pInstance->DEBUG_TO_STDERR = true;
59  }
60 
61  return m_pInstance;
62 }
Header file for global Settings class.
This class is contains settings used by libopenshot (and can be safely toggled at any point)
Definition: Settings.h:44
int DE_LIMIT_WIDTH_MAX
Maximum columns that hardware decode can handle.
Definition: Settings.h:95
int OMP_THREADS
Number of threads of OpenMP.
Definition: Settings.h:86
std::string PLAYBACK_AUDIO_DEVICE_NAME
The audio device name to use during playback.
Definition: Settings.h:104
int HW_DE_DEVICE_SET
Which GPU to use to decode (0 is the first)
Definition: Settings.h:98
int DE_LIMIT_HEIGHT_MAX
Maximum rows that hardware decode can handle.
Definition: Settings.h:92
static Settings * Instance()
Create or get an instance of this logger singleton (invoke the class with this method)
Definition: Settings.cpp:41
int HARDWARE_DECODER
Use video codec for faster video decoding (if supported)
Definition: Settings.h:80
bool HIGH_QUALITY_SCALING
Scale mode used in FFmpeg decoding and encoding (used as an optimization for faster previews)
Definition: Settings.h:83
int FF_THREADS
Number of threads that ffmpeg uses.
Definition: Settings.h:89
int HW_EN_DEVICE_SET
Which GPU to use to encode (0 is the first)
Definition: Settings.h:101
bool DEBUG_TO_STDERR
Whether to dump ZeroMQ debug messages to stderr.
Definition: Settings.h:111
This namespace is the default namespace for all code in the openshot library.
Definition: Compressor.h:47