strawberry-audio-player-win.../src/engine/enginebase.cpp

205 lines
6.7 KiB
C++

/*
* Strawberry Music Player
* This file was part of Amarok / Clementine
* Copyright 2003 Mark Kretschmann
* Copyright 2004 - 2005 Max Howell, <max.howell@methylblue.com>
* Copyright 2010 David Sansome <me@davidsansome.com>
* Copyright 2017-2021 Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry 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 3 of the License, or
* (at your option) any later version.
*
* Strawberry 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
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <cmath>
#include <QtGlobal>
#include <QVariant>
#include <QUrl>
#include <QSettings>
#include "core/utilities.h"
#include "core/timeconstants.h"
#include "core/networkproxyfactory.h"
#include "engine_fwd.h"
#include "enginebase.h"
#include "settings/backendsettingspage.h"
#include "settings/networkproxysettingspage.h"
Engine::Base::Base(const EngineType type, QObject *parent)
: QObject(parent),
type_(type),
volume_control_(true),
volume_(100),
beginning_nanosec_(0),
end_nanosec_(0),
scope_(kScopeSize),
buffering_(false),
equalizer_enabled_(false),
rg_enabled_(false),
rg_mode_(0),
rg_preamp_(0.0),
rg_fallbackgain_(0.0),
rg_compression_(true),
buffer_duration_nanosec_(BackendSettingsPage::kDefaultBufferDuration * kNsecPerMsec),
buffer_low_watermark_(BackendSettingsPage::kDefaultBufferLowWatermark),
buffer_high_watermark_(BackendSettingsPage::kDefaultBufferHighWatermark),
fadeout_enabled_(true),
crossfade_enabled_(true),
autocrossfade_enabled_(false),
crossfade_same_album_(false),
fadeout_pause_enabled_(false),
fadeout_duration_(2),
fadeout_duration_nanosec_(2 * kNsecPerSec),
fadeout_pause_duration_(0),
fadeout_pause_duration_nanosec_(0),
proxy_authentication_(false),
channels_enabled_(false),
channels_(0),
bs2b_enabled_(false),
http2_enabled_(true),
about_to_end_emitted_(false) {}
Engine::Base::~Base() = default;
bool Engine::Base::Load(const QUrl &stream_url, const QUrl &original_url, const TrackChangeFlags, const bool force_stop_at_end, const quint64 beginning_nanosec, const qint64 end_nanosec) {
Q_UNUSED(force_stop_at_end);
stream_url_ = stream_url;
original_url_ = original_url;
beginning_nanosec_ = beginning_nanosec;
end_nanosec_ = end_nanosec;
about_to_end_emitted_ = false;
return true;
}
bool Engine::Base::Play(const QUrl &stream_url, const QUrl &original_url, const TrackChangeFlags flags, const bool force_stop_at_end, const quint64 beginning_nanosec, const qint64 end_nanosec, const quint64 offset_nanosec) {
if (!Load(stream_url, original_url, flags, force_stop_at_end, beginning_nanosec, end_nanosec)) {
return false;
}
return Play(offset_nanosec);
}
void Engine::Base::SetVolume(const uint value) {
volume_ = value;
SetVolumeSW(MakeVolumeLogarithmic(value));
}
uint Engine::Base::MakeVolumeLogarithmic(const uint volume) {
// We're using a logarithmic function to make the volume ramp more natural.
return static_cast<uint>(100 - 100.0 * std::log10((100 - volume) * 0.09 + 1.0));
}
void Engine::Base::ReloadSettings() {
QSettings s;
s.beginGroup(BackendSettingsPage::kSettingsGroup);
output_ = s.value("output").toString();
device_ = s.value("device");
volume_control_ = s.value("volume_control", true).toBool();
channels_enabled_ = s.value("channels_enabled", false).toBool();
channels_ = s.value("channels", 0).toInt();
buffer_duration_nanosec_ = s.value("bufferduration", BackendSettingsPage::kDefaultBufferDuration).toLongLong() * kNsecPerMsec;
buffer_low_watermark_ = s.value("bufferlowwatermark", BackendSettingsPage::kDefaultBufferLowWatermark).toDouble();
buffer_high_watermark_ = s.value("bufferhighwatermark", BackendSettingsPage::kDefaultBufferHighWatermark).toDouble();
rg_enabled_ = s.value("rgenabled", false).toBool();
rg_mode_ = s.value("rgmode", 0).toInt();
rg_preamp_ = s.value("rgpreamp", 0.0).toDouble();
rg_fallbackgain_ = s.value("rgfallbackgain", 0.0).toDouble();
rg_compression_ = s.value("rgcompression", true).toBool();
fadeout_enabled_ = s.value("FadeoutEnabled", false).toBool();
crossfade_enabled_ = s.value("CrossfadeEnabled", false).toBool();
autocrossfade_enabled_ = s.value("AutoCrossfadeEnabled", false).toBool();
crossfade_same_album_ = !s.value("NoCrossfadeSameAlbum", true).toBool();
fadeout_pause_enabled_ = s.value("FadeoutPauseEnabled", false).toBool();
fadeout_duration_ = s.value("FadeoutDuration", 2000).toLongLong();
fadeout_duration_nanosec_ = (fadeout_duration_ * kNsecPerMsec);
fadeout_pause_duration_ = s.value("FadeoutPauseDuration", 250).toLongLong();
fadeout_pause_duration_nanosec_ = (fadeout_pause_duration_ * kNsecPerMsec);
bs2b_enabled_ = s.value("bs2b", false).toBool();
bool http2_enabled = s.value("http2", false).toBool();
if (http2_enabled != http2_enabled_) {
http2_enabled_ = http2_enabled;
Utilities::SetEnv("SOUP_FORCE_HTTP1", http2_enabled_ ? "" : "1");
qLog(Debug) << "SOUP_FORCE_HTTP1:" << (http2_enabled_ ? "OFF" : "ON");
}
s.endGroup();
s.beginGroup(NetworkProxySettingsPage::kSettingsGroup);
NetworkProxyFactory::Mode proxy_mode = NetworkProxyFactory::Mode(s.value("mode", NetworkProxyFactory::Mode_System).toInt());
if (proxy_mode == NetworkProxyFactory::Mode_Manual && s.contains("engine") && s.value("engine").toBool()) {
QString proxy_host = s.value("hostname").toString();
int proxy_port = s.value("port").toInt();
if (proxy_host.isEmpty() || proxy_port <= 0) {
proxy_address_.clear();
proxy_authentication_ = false;
proxy_user_.clear();
proxy_pass_.clear();
}
else {
proxy_address_ = QString("%1:%2").arg(proxy_host).arg(proxy_port);
proxy_authentication_ = s.value("use_authentication").toBool();
proxy_user_ = s.value("username").toString();
proxy_pass_ = s.value("password").toString();
}
}
else {
proxy_address_.clear();
proxy_authentication_ = false;
proxy_user_.clear();
proxy_pass_.clear();
}
s.endGroup();
}
void Engine::Base::EmitAboutToEnd() {
if (about_to_end_emitted_) {
return;
}
about_to_end_emitted_ = true;
emit TrackAboutToEnd();
}
bool Engine::Base::ValidOutput(const QString &output) {
Q_UNUSED(output);
return (true);
}