262 lines
8.6 KiB
C++
262 lines
8.6 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Amarok / Clementine
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* Copyright 2003 Mark Kretschmann
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* Copyright 2004 - 2005 Max Howell, <max.howell@methylblue.com>
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* Copyright 2010 David Sansome <me@davidsansome.com>
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* Copyright 2017-2021 Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry 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
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* GNU 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 License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <cmath>
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#include <QtGlobal>
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#include <QVariant>
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#include <QUrl>
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#include <QSettings>
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#include "utilities/envutils.h"
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#include "utilities/timeconstants.h"
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#include "core/networkproxyfactory.h"
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#include "enginebase.h"
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#include "settings/backendsettingspage.h"
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#include "settings/networkproxysettingspage.h"
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EngineBase::EngineBase(QObject *parent)
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: QObject(parent),
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exclusive_mode_(false),
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volume_control_(true),
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volume_(100),
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beginning_nanosec_(0),
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end_nanosec_(0),
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ebur128_loudness_normalizing_gain_db_(0.0),
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scope_(kScopeSize),
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buffering_(false),
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equalizer_enabled_(false),
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rg_enabled_(false),
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rg_mode_(0),
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rg_preamp_(0.0),
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rg_fallbackgain_(0.0),
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rg_compression_(true),
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ebur128_loudness_normalization_(false),
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ebur128_target_level_lufs_(-23.0),
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buffer_duration_nanosec_(BackendSettingsPage::kDefaultBufferDuration * kNsecPerMsec),
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buffer_low_watermark_(BackendSettingsPage::kDefaultBufferLowWatermark),
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buffer_high_watermark_(BackendSettingsPage::kDefaultBufferHighWatermark),
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fadeout_enabled_(true),
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crossfade_enabled_(true),
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autocrossfade_enabled_(false),
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crossfade_same_album_(false),
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fadeout_pause_enabled_(false),
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fadeout_duration_(2),
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fadeout_duration_nanosec_(2 * kNsecPerSec),
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fadeout_pause_duration_(0),
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fadeout_pause_duration_nanosec_(0),
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proxy_authentication_(false),
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channels_enabled_(false),
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channels_(0),
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bs2b_enabled_(false),
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http2_enabled_(true),
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strict_ssl_enabled_(false),
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about_to_end_emitted_(false) {}
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EngineBase::~EngineBase() = default;
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EngineBase::Type EngineBase::TypeFromName(const QString &name) {
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if (name.compare(QLatin1String("gstreamer"), Qt::CaseInsensitive) == 0) return Type::GStreamer;
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if (name.compare(QLatin1String("vlc"), Qt::CaseInsensitive) == 0) return Type::VLC;
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return Type::None;
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}
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QString EngineBase::Name(const Type type) {
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switch (type) {
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case Type::GStreamer: return QStringLiteral("gstreamer");
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case Type::VLC: return QStringLiteral("vlc");
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case Type::None:
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default: return QStringLiteral("None");
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}
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}
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QString EngineBase::Description(const Type type) {
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switch (type) {
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case Type::GStreamer: return QStringLiteral("GStreamer");
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case Type::VLC: return QStringLiteral("VLC");
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case Type::None:
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default: return QStringLiteral("None");
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}
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}
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bool EngineBase::Load(const QUrl &media_url, const QUrl &stream_url, const TrackChangeFlags, const bool force_stop_at_end, const quint64 beginning_nanosec, const qint64 end_nanosec, const std::optional<double> ebur128_integrated_loudness_lufs) {
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Q_UNUSED(force_stop_at_end);
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media_url_ = media_url;
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stream_url_ = stream_url;
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beginning_nanosec_ = beginning_nanosec;
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end_nanosec_ = end_nanosec;
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ebur128_loudness_normalizing_gain_db_ = 0.0;
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if (ebur128_loudness_normalization_ && ebur128_integrated_loudness_lufs) {
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auto computeGain_dB = [](double source_dB, double target_dB) {
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// Let's suppose the `source_dB` is -12 dB, while `target_dB` is -23 dB.
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// In that case, we'd need to apply -11 dB of gain, which is computed as:
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// -12 dB + x dB = -23 dB --> x dB = -23 dB - (-12 dB)
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return target_dB - source_dB;
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};
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ebur128_loudness_normalizing_gain_db_ = computeGain_dB(*ebur128_integrated_loudness_lufs, ebur128_target_level_lufs_);
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}
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about_to_end_emitted_ = false;
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return true;
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}
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bool EngineBase::Play(const QUrl &media_url, const QUrl &stream_url, const TrackChangeFlags flags, const bool force_stop_at_end, const quint64 beginning_nanosec, const qint64 end_nanosec, const quint64 offset_nanosec, const std::optional<double> ebur128_integrated_loudness_lufs) {
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if (!Load(media_url, stream_url, flags, force_stop_at_end, beginning_nanosec, end_nanosec, ebur128_integrated_loudness_lufs)) {
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return false;
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}
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return Play(offset_nanosec);
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}
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void EngineBase::UpdateVolume(const uint volume) {
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volume_ = volume;
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emit VolumeChanged(volume);
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}
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void EngineBase::SetVolume(const uint volume) {
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volume_ = volume;
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SetVolumeSW(volume);
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}
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void EngineBase::ReloadSettings() {
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QSettings s;
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s.beginGroup(BackendSettingsPage::kSettingsGroup);
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output_ = s.value("output").toString();
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device_ = s.value("device");
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exclusive_mode_ = s.value("exclusive_mode", false).toBool();
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volume_control_ = s.value("volume_control", true).toBool();
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channels_enabled_ = s.value("channels_enabled", false).toBool();
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channels_ = s.value("channels", 0).toInt();
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buffer_duration_nanosec_ = s.value("bufferduration", BackendSettingsPage::kDefaultBufferDuration).toLongLong() * kNsecPerMsec;
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buffer_low_watermark_ = s.value("bufferlowwatermark", BackendSettingsPage::kDefaultBufferLowWatermark).toDouble();
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buffer_high_watermark_ = s.value("bufferhighwatermark", BackendSettingsPage::kDefaultBufferHighWatermark).toDouble();
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rg_enabled_ = s.value("rgenabled", false).toBool();
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rg_mode_ = s.value("rgmode", 0).toInt();
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rg_preamp_ = s.value("rgpreamp", 0.0).toDouble();
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rg_fallbackgain_ = s.value("rgfallbackgain", 0.0).toDouble();
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rg_compression_ = s.value("rgcompression", true).toBool();
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ebur128_loudness_normalization_ = s.value("ebur128_loudness_normalization", false).toBool();
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ebur128_target_level_lufs_ = s.value("ebur128_target_level_lufs", -23.0).toDouble();
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fadeout_enabled_ = s.value("FadeoutEnabled", false).toBool();
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crossfade_enabled_ = s.value("CrossfadeEnabled", false).toBool();
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autocrossfade_enabled_ = s.value("AutoCrossfadeEnabled", false).toBool();
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crossfade_same_album_ = !s.value("NoCrossfadeSameAlbum", true).toBool();
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fadeout_pause_enabled_ = s.value("FadeoutPauseEnabled", false).toBool();
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fadeout_duration_ = s.value("FadeoutDuration", 2000).toLongLong();
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fadeout_duration_nanosec_ = (fadeout_duration_ * kNsecPerMsec);
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fadeout_pause_duration_ = s.value("FadeoutPauseDuration", 250).toLongLong();
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fadeout_pause_duration_nanosec_ = (fadeout_pause_duration_ * kNsecPerMsec);
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bs2b_enabled_ = s.value("bs2b", false).toBool();
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bool http2_enabled = s.value("http2", false).toBool();
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if (http2_enabled != http2_enabled_) {
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http2_enabled_ = http2_enabled;
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Utilities::SetEnv("SOUP_FORCE_HTTP1", http2_enabled_ ? QLatin1String("") : QStringLiteral("1"));
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qLog(Debug) << "SOUP_FORCE_HTTP1:" << (http2_enabled_ ? QLatin1String("OFF") : QLatin1String("ON"));
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}
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strict_ssl_enabled_ = s.value("strict_ssl", false).toBool();
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s.endGroup();
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s.beginGroup(NetworkProxySettingsPage::kSettingsGroup);
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const NetworkProxyFactory::Mode proxy_mode = static_cast<NetworkProxyFactory::Mode>(s.value("mode", static_cast<int>(NetworkProxyFactory::Mode::System)).toInt());
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if (proxy_mode == NetworkProxyFactory::Mode::Manual && s.contains("engine") && s.value("engine").toBool()) {
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QString proxy_host = s.value("hostname").toString();
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int proxy_port = s.value("port").toInt();
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if (proxy_host.isEmpty() || proxy_port <= 0) {
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proxy_address_.clear();
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proxy_authentication_ = false;
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proxy_user_.clear();
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proxy_pass_.clear();
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}
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else {
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proxy_address_ = QStringLiteral("%1:%2").arg(proxy_host).arg(proxy_port);
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proxy_authentication_ = s.value("use_authentication").toBool();
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proxy_user_ = s.value("username").toString();
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proxy_pass_ = s.value("password").toString();
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}
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}
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else {
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proxy_address_.clear();
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proxy_authentication_ = false;
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proxy_user_.clear();
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proxy_pass_.clear();
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}
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s.endGroup();
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}
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void EngineBase::EmitAboutToFinish() {
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if (about_to_end_emitted_) {
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return;
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}
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about_to_end_emitted_ = true;
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emit TrackAboutToEnd();
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}
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bool EngineBase::ValidOutput(const QString &output) {
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Q_UNUSED(output);
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return (true);
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}
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