mediasettingsview.cpp 22.1 KB
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/*
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 *  Copyright (C) 2015-2019 Savoir-faire Linux Inc.
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 *  Author: Stepan Salenikovich <stepan.salenikovich@savoirfairelinux.com>
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 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
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 *
 *  This program 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.
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
 */

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#include "mediasettingsview.h"
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#include <gtk/gtk.h>
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#include <string>

// LRC
#include <api/avmodel.h>
#include <api/newvideo.h>

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#include "video/video_widget.h"
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namespace { namespace details
{
class CppImpl;
}}
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struct _MediaSettingsView
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{
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    GtkScrolledWindow parent;
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};

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struct _MediaSettingsViewClass
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{
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    GtkScrolledWindowClass parent_class;
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};

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typedef struct _MediaSettingsViewPrivate MediaSettingsViewPrivate;
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struct _MediaSettingsViewPrivate
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{
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    GtkWidget *vbox_main;

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    /* audio settings */
    GtkWidget *combobox_manager;
    GtkWidget *combobox_ringtone;
    GtkWidget *combobox_output;
    GtkWidget *combobox_input;
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    GtkWidget *levelbar_input;
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    /* camera settings */
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    GtkWidget *combobox_device;
    GtkWidget *combobox_channel;
    GtkWidget *combobox_resolution;
    GtkWidget *combobox_framerate;
    GtkWidget *video_widget;

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    /* this is used to keep track of the state of the preview when the settings
     * are opened; if a call is in progress, then the preview should already be
     * started and we don't want to stop it when the settings are closed, in this
     * case */
    gboolean video_started_by_settings;

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    QMetaObject::Connection local_renderer_connection;
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    QMetaObject::Connection device_event_connection;
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    QMetaObject::Connection audio_meter_connection;
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    /* hardware accel settings */
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    GtkWidget *checkbutton_hardware_acceleration;
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    details::CppImpl* cpp; ///< Non-UI and C++ only code
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};

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G_DEFINE_TYPE_WITH_PRIVATE(MediaSettingsView, media_settings_view, GTK_TYPE_SCROLLED_WINDOW);
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#define MEDIA_SETTINGS_VIEW_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), MEDIA_SETTINGS_VIEW_TYPE, MediaSettingsViewPrivate))
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namespace { namespace details
{

class CppImpl
{
public:
    explicit CppImpl(MediaSettingsView& widget, lrc::api::AVModel& avModel);

    void drawAudioDevices();
    void drawFramerates();
    void drawResolutions();
    void drawChannels();
    void drawVideoDevices();

    lrc::api::AVModel* avModel_ = nullptr;
    MediaSettingsView* self = nullptr; // The GTK widget itself
    MediaSettingsViewPrivate* widgets = nullptr;
};

CppImpl::CppImpl(MediaSettingsView& widget, lrc::api::AVModel& avModel)
: self {&widget}
, widgets {MEDIA_SETTINGS_VIEW_GET_PRIVATE(&widget)}
, avModel_(&avModel)
{
    gtk_toggle_button_set_active(
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        GTK_TOGGLE_BUTTON(widgets->checkbutton_hardware_acceleration),
        avModel_->getHardwareAcceleration());
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    auto activeIdx = 0;
    auto currentManager = avModel_->getAudioManager();
    auto i = 0;
    for (const auto& manager : avModel_->getSupportedAudioManagers()) {
        if (manager == currentManager) {
            activeIdx = i;
        }
        gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(widgets->combobox_manager), nullptr, manager.c_str());
        i++;
    }
    gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->combobox_manager), activeIdx);
    drawAudioDevices();
    drawVideoDevices();
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    gtk_level_bar_set_value(GTK_LEVEL_BAR(widgets->levelbar_input), 0.0);
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}

void
CppImpl::drawAudioDevices()
{
    if (!avModel_) {
        g_warning("AVModel not initialized yet");
        return;
    }
    auto activeOutput = 0, activeRingtone = 0;
    auto currentOutput = avModel_->getOutputDevice();
    auto currentRingtone = avModel_->getRingtoneDevice();
    auto i = 0;
    gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(widgets->combobox_ringtone));
    gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(widgets->combobox_output));
    for (const auto& output : avModel_->getAudioOutputDevices()) {
        if (output == currentOutput) {
            activeOutput = i;
        }
        if (output == currentRingtone) {
            activeRingtone = i;
        }
        gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(widgets->combobox_ringtone), nullptr, output.c_str());
        gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(widgets->combobox_output), nullptr, output.c_str());
        i++;
    }
    gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->combobox_ringtone), activeRingtone);
    gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->combobox_output), activeOutput);

    auto activeInput = 0;
    auto currentInput = avModel_->getInputDevice();
    i = 0;
    gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(widgets->combobox_input));
    for (const auto& input : avModel_->getAudioInputDevices()) {
        if (input == currentInput) {
            activeInput = i;
        }
        gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(widgets->combobox_input), nullptr, input.c_str());
        i++;
    }
    gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->combobox_input), activeInput);
}

void
CppImpl::drawFramerates()
{
    if (!avModel_) {
        g_warning("AVModel not initialized yet");
        return;
    }
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    using namespace lrc::api;
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    auto active = 0;
    auto currentDevice = avModel_->getDefaultDeviceName();
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    auto deviceCaps = avModel_->getDeviceCapabilities(currentDevice);
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    std::string currentChannel = "", currentRes = "", currentRate = "";
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    int currentResIndex;
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    try {
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        auto deviceSettings = avModel_->getDeviceSettings(currentDevice);
        currentChannel = deviceSettings.channel;
        currentRes = deviceSettings.size;
        currentRate = std::to_string(deviceSettings.rate);
        auto resRates = deviceCaps.at(currentChannel);
        auto it = std::find_if(resRates.begin(), resRates.end(),
            [&currentRes](const std::pair<video::Resolution, video::FrameratesList>& element) {
                return element.first == currentRes;
            });
        if (it == resRates.end()) {
            throw std::out_of_range("Can't find resolution");
        }
        currentResIndex = std::distance(resRates.begin(), it);
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    } catch (const std::out_of_range&) {
        g_warning("drawFramerates out_of_range exception");
        return;
    }
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    auto rates = deviceCaps.at(currentChannel).at(currentResIndex).second;
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    auto i = 0;
    gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(widgets->combobox_framerate));
    for (const auto& rate : rates) {
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        auto rateStr = std::to_string(static_cast<uint8_t>(rate));
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        if (rateStr == currentRate) {
            active = i;
        }
        gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(widgets->combobox_framerate), nullptr, rateStr.c_str());
        i++;
    }
    gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->combobox_framerate), active);
}

void
CppImpl::drawResolutions()
{
    if (!avModel_) {
        g_warning("AVModel not initialized yet");
        return;
    }
    auto active = 0;
    auto currentDevice = avModel_->getDefaultDeviceName();
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    std::string currentChannel = "", currentRes = "";
    try {
        currentChannel = avModel_->getDeviceSettings(currentDevice).channel;
        currentRes = avModel_->getDeviceSettings(currentDevice).size;
    } catch (const std::out_of_range&) {
        g_warning("drawResolutions out_of_range exception");
        return;
    }
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    auto resToRates = avModel_->getDeviceCapabilities(currentDevice).at(currentChannel);
    auto i = 0;
    gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(widgets->combobox_resolution));
    for (const auto& item : resToRates) {
        if (item.first == currentRes) {
            active = i;
        }
        gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(widgets->combobox_resolution), nullptr, item.first.c_str());
        i++;
    }
    gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->combobox_resolution), active);
    drawFramerates();
}

void
CppImpl::drawChannels()
{
    if (!avModel_) {
        g_warning("AVModel not initialized yet");
        return;
    }
    auto active = 0;
    auto currentDevice = avModel_->getDefaultDeviceName();
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    std::string currentChannel = "";
    try {
        currentChannel = avModel_->getDeviceSettings(currentDevice).channel;
    } catch (const std::out_of_range&) {
        g_warning("drawChannels out_of_range exception");
        return;
    }
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    auto i = 0;
    gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(widgets->combobox_channel));
    for (const auto& capabilites : avModel_->getDeviceCapabilities(currentDevice)) {
        if (capabilites.first == currentChannel) {
            active = i;
        }
        gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(widgets->combobox_channel), nullptr, capabilites.first.c_str());
        i++;
    }
    gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->combobox_channel), active);
    drawResolutions();
}

void
CppImpl::drawVideoDevices()
{
    if (!avModel_) {
        g_warning("AVModel not initialized yet");
        return;
    }
    auto active = 0;
    auto current = avModel_->getDefaultDeviceName();
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    if (current == "") {
        // Avoid to draw devices if no camera is selected
        return;
    }
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    auto i = 0;
    gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(widgets->combobox_device));
    for (const auto& device : avModel_->getDevices()) {
        if (device == current) {
            active = i;
        }
        gtk_combo_box_text_append(GTK_COMBO_BOX_TEXT(widgets->combobox_device), nullptr, device.c_str());
        i++;
    }
    gtk_combo_box_set_active(GTK_COMBO_BOX(widgets->combobox_device), active);
    drawChannels();
}

}} // namespace details



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static void
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media_settings_view_dispose(GObject *object)
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{
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    MediaSettingsView *view = MEDIA_SETTINGS_VIEW(object);
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(view);
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    /* make sure to stop the preview if this view is getting destroyed */
    if (priv->video_started_by_settings) {
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        priv->cpp->avModel_->stopPreview();
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        priv->video_started_by_settings = FALSE;
    }

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    QObject::disconnect(priv->local_renderer_connection);
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    QObject::disconnect(priv->device_event_connection);
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    QObject::disconnect(priv->audio_meter_connection);
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    G_OBJECT_CLASS(media_settings_view_parent_class)->dispose(object);
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}

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static void
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hardware_acceleration_toggled(GtkToggleButton *toggle_button, MediaSettingsView *self)
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{
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    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
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    gboolean hardware_acceleration = gtk_toggle_button_get_active(toggle_button);
    priv->cpp->avModel_->setHardwareAcceleration(hardware_acceleration);
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}

static void
set_audio_manager(MediaSettingsView* self)
{
    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
    auto* audio_manager = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(priv->combobox_manager));
    if (audio_manager) {
        priv->cpp->avModel_->setAudioManager(audio_manager);
        priv->cpp->drawAudioDevices();
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    }
}

static void
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set_ringtone_device(MediaSettingsView* self)
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{
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    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
    auto* ringtone_device = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(priv->combobox_ringtone));
    if (ringtone_device) {
        priv->cpp->avModel_->setRingtoneDevice(ringtone_device);
    }
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}

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static void
set_output_device(MediaSettingsView* self)
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{
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    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
    auto* output_device = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(priv->combobox_output));
    if (output_device) {
        priv->cpp->avModel_->setOutputDevice(output_device);
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    }
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}
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static void
set_input_device(MediaSettingsView* self)
{
    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
    auto* input_device = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(priv->combobox_input));
    if (input_device) {
        priv->cpp->avModel_->setInputDevice(input_device);
    }
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}

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static void
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set_video_device(MediaSettingsView* self)
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{
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    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
    auto* video_device = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(priv->combobox_device));
    if (video_device) {
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        auto currentDevice = priv->cpp->avModel_->getDefaultDeviceName();
        if (currentDevice == video_device) return;
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        priv->cpp->avModel_->setDefaultDevice(video_device);
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        try {
            auto settings = priv->cpp->avModel_->getDeviceSettings(currentDevice);
            priv->cpp->avModel_->setDeviceSettings(settings);
        } catch (const std::out_of_range&) {
            g_warning("set_resolution out_of_range exception");
        }
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        priv->cpp->drawVideoDevices();
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    }
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}

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static void
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set_channel(MediaSettingsView* self)
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{
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    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
    auto* video_channel = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(priv->combobox_channel));
    if (video_channel) {
        auto currentDevice = priv->cpp->avModel_->getDefaultDeviceName();
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        try {
            auto settings = priv->cpp->avModel_->getDeviceSettings(currentDevice);
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            if (settings.channel == video_channel) return;
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            settings.channel = video_channel;
            priv->cpp->avModel_->setDeviceSettings(settings);
        } catch (const std::out_of_range&) {
            g_warning("set_channel out_of_range exception");
            return;
        }
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        priv->cpp->drawChannels();
    }
}
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static void
set_resolution(MediaSettingsView* self)
{
    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
    auto* video_resolution = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(priv->combobox_resolution));
    if (video_resolution) {
        auto currentDevice = priv->cpp->avModel_->getDefaultDeviceName();
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        try {
            auto settings = priv->cpp->avModel_->getDeviceSettings(currentDevice);
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            if (settings.size == video_resolution) return;
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            settings.size = video_resolution;
            priv->cpp->avModel_->setDeviceSettings(settings);
        } catch (const std::out_of_range&) {
            g_warning("set_resolution out_of_range exception");
            return;
        }
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        priv->cpp->drawFramerates();
    }
}
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static void
set_framerate(MediaSettingsView* self)
{
    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
    auto* video_framerate = gtk_combo_box_text_get_active_text(GTK_COMBO_BOX_TEXT(priv->combobox_framerate));
    if (video_framerate) {
        auto currentDevice = priv->cpp->avModel_->getDefaultDeviceName();
        try {
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            auto settings = priv->cpp->avModel_->getDeviceSettings(currentDevice);
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            if (settings.rate == std::stoi(video_framerate)) return;
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            settings.rate = std::stoi(video_framerate);
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            priv->cpp->avModel_->setDeviceSettings(settings);
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        } catch (...) {
            g_debug("Cannot convert framerate.");
        }
    }
}
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static void
media_settings_view_init(MediaSettingsView *view)
{
    gtk_widget_init_template(GTK_WIDGET(view));
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}

static void
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media_settings_view_class_init(MediaSettingsViewClass *klass)
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{
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    G_OBJECT_CLASS(klass)->dispose = media_settings_view_dispose;
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    gtk_widget_class_set_template_from_resource(GTK_WIDGET_CLASS (klass),
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                                                "/net/jami/JamiGnome/mediasettingsview.ui");
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    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, vbox_main);
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    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, combobox_manager);
    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, combobox_ringtone);
    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, combobox_output);
    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, combobox_input);
    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, combobox_device);
    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, combobox_channel);
    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, combobox_resolution);
    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, combobox_framerate);
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    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, checkbutton_hardware_acceleration);
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    gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), MediaSettingsView, levelbar_input);
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}

GtkWidget *
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media_settings_view_new(lrc::api::AVModel& avModel)
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{
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    auto self = g_object_new(MEDIA_SETTINGS_VIEW_TYPE, NULL);
    auto* priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
    priv->cpp = new details::CppImpl(
        *(reinterpret_cast<MediaSettingsView*>(self)), avModel
    );
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    // CppImpl ctor
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    g_signal_connect(priv->checkbutton_hardware_acceleration, "toggled",
        G_CALLBACK(hardware_acceleration_toggled), self);
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    g_signal_connect_swapped(priv->combobox_manager, "changed",
        G_CALLBACK(set_audio_manager), self);
    g_signal_connect_swapped(priv->combobox_ringtone, "changed",
        G_CALLBACK(set_ringtone_device), self);
    g_signal_connect_swapped(priv->combobox_output, "changed",
        G_CALLBACK(set_output_device), self);
    g_signal_connect_swapped(priv->combobox_input, "changed",
        G_CALLBACK(set_input_device), self);
    g_signal_connect_swapped(priv->combobox_device, "changed",
        G_CALLBACK(set_video_device), self);
    g_signal_connect_swapped(priv->combobox_channel, "changed",
        G_CALLBACK(set_channel), self);
    g_signal_connect_swapped(priv->combobox_resolution, "changed",
        G_CALLBACK(set_resolution), self);
    g_signal_connect_swapped(priv->combobox_framerate, "changed",
        G_CALLBACK(set_framerate), self);
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    priv->audio_meter_connection = QObject::connect(
        &*priv->cpp->avModel_,
        &lrc::api::AVModel::audioMeter,
        [=](const std::string& id, float level) {
            if (id == "audiolayer_id")
                gtk_level_bar_set_value(GTK_LEVEL_BAR(priv->levelbar_input), level);
        });
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    return (GtkWidget *)self;
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}
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void
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media_settings_view_show_preview(MediaSettingsView *self, gboolean show_preview)
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{
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    g_return_if_fail(IS_MEDIA_SETTINGS_VIEW(self));
    MediaSettingsViewPrivate *priv = MEDIA_SETTINGS_VIEW_GET_PRIVATE(self);
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    /* if TRUE, create a VideoWidget, then check if the preview has already been
     * started (because a call was in progress); if not, then start it.
     * if FALSE, check if the preview was started by this function, if so
     * then stop the preview; then destroy the VideoWidget to make sure we don't
     * get useless frame updates */

    if (show_preview) {
        /* put video widget in */
        priv->video_widget = video_widget_new();
        gtk_widget_show_all(priv->video_widget);
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        gtk_box_pack_start(GTK_BOX(priv->vbox_main), priv->video_widget, TRUE, TRUE, 0);
        // set minimum size for video so it doesn't shrink too much
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        gtk_widget_set_size_request(priv->video_widget, 400, -1);
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        try {
            const lrc::api::video::Renderer* previewRenderer =
                &priv->cpp->avModel_->getRenderer(
                lrc::api::video::PREVIEW_RENDERER_ID);
            priv->video_started_by_settings = previewRenderer->isRendering();
            if (priv->video_started_by_settings) {
                video_widget_add_new_renderer(VIDEO_WIDGET(priv->video_widget),
                    priv->cpp->avModel_, previewRenderer, VIDEO_RENDERER_REMOTE);
            } else {
                priv->video_started_by_settings = true;
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                priv->device_event_connection = QObject::connect(
                    &*priv->cpp->avModel_,
                    &lrc::api::AVModel::deviceEvent,
                    [=]() {
                        priv->cpp->drawVideoDevices();
                    });
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                priv->local_renderer_connection = QObject::connect(
                    &*priv->cpp->avModel_,
                    &lrc::api::AVModel::rendererStarted,
                    [=](const std::string& id) {
                        if (id != lrc::api::video::PREVIEW_RENDERER_ID)
                            return;
                        video_widget_add_new_renderer(
                            VIDEO_WIDGET(priv->video_widget),
                            priv->cpp->avModel_,
                            previewRenderer, VIDEO_RENDERER_REMOTE);
                    });
                priv->cpp->avModel_->startPreview();
            }
        } catch (const std::out_of_range& e) {
577
            g_warning("Cannot start preview");
578
        }
579 580
        priv->cpp->avModel_->startAudioDevice();
        priv->cpp->avModel_->setAudioMeterState(true);
581 582
    } else {
        if (priv->video_started_by_settings) {
583
            priv->cpp->avModel_->stopPreview();
584
            QObject::disconnect(priv->local_renderer_connection);
585
            QObject::disconnect(priv->device_event_connection);
586 587 588 589
            priv->video_started_by_settings = FALSE;
        }

        if (priv->video_widget && IS_VIDEO_WIDGET(priv->video_widget))
590
            gtk_container_remove(GTK_CONTAINER(priv->vbox_main), priv->video_widget);
591
        priv->video_widget = NULL;
592 593
        priv->cpp->avModel_->setAudioMeterState(false);
        priv->cpp->avModel_->stopAudioDevice();
594 595
    }
}