obs-studio/UI/adv-audio-control.cpp
VodBox 89b4e9136f UI: Various screen reader fixes
This commit fixes various issues with screen readers in the main OBS
interface. These were tested using NVDA on Windows 10 2004.

Audio track selection in Settings now says Track 1, 2, etc, rather than
just the number.

Various checkboxes that just say "Enable" now have accessible text that
says what the enable is for (since it says "checkbox", the fact it's an
enable should hopefully be clear).

Type in the recording tab of output now has accessible text which says
"Recording Type".

Items in the Advanced Audio Properties window now have accessible text
for what they are for. Currently some do not report correct values, but
that will require an accessible interface in Qt to be written
specifically for that, which will be done at a later date.

Buttons in the filters window now have accessible text for what they do.

All the right side buttons in hotkeys now have tooltips, and by
extension, accessible text.
2020-11-25 19:38:05 -08:00

538 lines
16 KiB
C++

#include <QHBoxLayout>
#include <QGridLayout>
#include <QLabel>
#include <QSpinBox>
#include <QComboBox>
#include <QCheckBox>
#include <cmath>
#include "qt-wrappers.hpp"
#include "obs-app.hpp"
#include "adv-audio-control.hpp"
#include "window-basic-main.hpp"
#ifndef NSEC_PER_MSEC
#define NSEC_PER_MSEC 1000000
#endif
#define MIN_DB -96.0
#define MAX_DB 26.0
OBSAdvAudioCtrl::OBSAdvAudioCtrl(QGridLayout *, obs_source_t *source_)
: source(source_)
{
QHBoxLayout *hlayout;
signal_handler_t *handler = obs_source_get_signal_handler(source);
QString sourceName = QT_UTF8(obs_source_get_name(source));
float vol = obs_source_get_volume(source);
uint32_t flags = obs_source_get_flags(source);
uint32_t mixers = obs_source_get_audio_mixers(source);
activeContainer = new QWidget();
forceMonoContainer = new QWidget();
mixerContainer = new QWidget();
balanceContainer = new QWidget();
labelL = new QLabel();
labelR = new QLabel();
iconLabel = new QLabel();
nameLabel = new QLabel();
active = new QLabel();
stackedWidget = new QStackedWidget();
volume = new QDoubleSpinBox();
percent = new QSpinBox();
forceMono = new QCheckBox();
balance = new BalanceSlider();
#if defined(_WIN32) || defined(__APPLE__) || HAVE_PULSEAUDIO
monitoringType = new QComboBox();
#endif
syncOffset = new QSpinBox();
mixer1 = new QCheckBox();
mixer2 = new QCheckBox();
mixer3 = new QCheckBox();
mixer4 = new QCheckBox();
mixer5 = new QCheckBox();
mixer6 = new QCheckBox();
activateSignal.Connect(handler, "activate", OBSSourceActivated, this);
deactivateSignal.Connect(handler, "deactivate", OBSSourceDeactivated,
this);
volChangedSignal.Connect(handler, "volume", OBSSourceVolumeChanged,
this);
syncOffsetSignal.Connect(handler, "audio_sync", OBSSourceSyncChanged,
this);
flagsSignal.Connect(handler, "update_flags", OBSSourceFlagsChanged,
this);
mixersSignal.Connect(handler, "audio_mixers", OBSSourceMixersChanged,
this);
hlayout = new QHBoxLayout();
hlayout->setContentsMargins(0, 0, 0, 0);
activeContainer->setLayout(hlayout);
hlayout = new QHBoxLayout();
hlayout->setContentsMargins(0, 0, 0, 0);
forceMonoContainer->setLayout(hlayout);
hlayout = new QHBoxLayout();
hlayout->setContentsMargins(0, 0, 0, 0);
mixerContainer->setLayout(hlayout);
hlayout = new QHBoxLayout();
hlayout->setContentsMargins(0, 0, 0, 0);
balanceContainer->setLayout(hlayout);
balanceContainer->setFixedWidth(150);
labelL->setText("L");
labelR->setText("R");
OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
QIcon sourceIcon = main->GetSourceIcon(obs_source_get_id(source));
QPixmap pixmap = sourceIcon.pixmap(QSize(16, 16));
iconLabel->setPixmap(pixmap);
iconLabel->setFixedSize(16, 16);
iconLabel->setStyleSheet("background: none");
nameLabel->setText(sourceName);
nameLabel->setAlignment(Qt::AlignVCenter);
bool isActive = obs_source_active(source);
active->setText(isActive ? QTStr("Basic.Stats.Status.Active")
: QTStr("Basic.Stats.Status.Inactive"));
if (isActive)
setThemeID(active, "error");
activeContainer->layout()->addWidget(active);
activeContainer->layout()->setAlignment(active, Qt::AlignVCenter);
activeContainer->setFixedWidth(120);
volume->setMinimum(MIN_DB - 0.1);
volume->setMaximum(MAX_DB);
volume->setSingleStep(0.1);
volume->setDecimals(1);
volume->setSuffix(" dB");
volume->setValue(obs_mul_to_db(vol));
volume->setFixedWidth(100);
volume->setAccessibleName(
QTStr("Basic.AdvAudio.VolumeSource").arg(sourceName));
if (volume->value() < MIN_DB) {
volume->setSpecialValueText("-inf dB");
volume->setAccessibleDescription("-inf dB");
}
percent->setMinimum(0);
percent->setMaximum(2000);
percent->setSuffix("%");
percent->setValue((int)(obs_source_get_volume(source) * 100.0f));
percent->setFixedWidth(100);
percent->setAccessibleName(
QTStr("Basic.AdvAudio.VolumeSource").arg(sourceName));
stackedWidget->addWidget(volume);
stackedWidget->addWidget(percent);
VolumeType volType = (VolumeType)config_get_int(
GetGlobalConfig(), "BasicWindow", "AdvAudioVolumeType");
SetVolumeWidget(volType);
forceMono->setChecked((flags & OBS_SOURCE_FLAG_FORCE_MONO) != 0);
forceMono->setAccessibleName(
QTStr("Basic.AdvAudio.MonoSource").arg(sourceName));
forceMonoContainer->layout()->addWidget(forceMono);
forceMonoContainer->layout()->setAlignment(forceMono, Qt::AlignVCenter);
forceMonoContainer->setFixedWidth(50);
balance->setOrientation(Qt::Horizontal);
balance->setMinimum(0);
balance->setMaximum(100);
balance->setTickPosition(QSlider::TicksAbove);
balance->setTickInterval(50);
balance->setAccessibleName(
QTStr("Basic.AdvAudio.BalanceSource").arg(sourceName));
const char *speakers =
config_get_string(main->Config(), "Audio", "ChannelSetup");
if (strcmp(speakers, "Mono") == 0)
balance->setEnabled(false);
else
balance->setEnabled(true);
float bal = obs_source_get_balance_value(source) * 100.0f;
balance->setValue((int)bal);
int64_t cur_sync = obs_source_get_sync_offset(source);
syncOffset->setMinimum(-950);
syncOffset->setMaximum(20000);
syncOffset->setSuffix(" ms");
syncOffset->setValue(int(cur_sync / NSEC_PER_MSEC));
syncOffset->setFixedWidth(100);
syncOffset->setAccessibleName(
QTStr("Basic.AdvAudio.SyncOffsetSource").arg(sourceName));
int idx;
#if defined(_WIN32) || defined(__APPLE__) || HAVE_PULSEAUDIO
monitoringType->addItem(QTStr("Basic.AdvAudio.Monitoring.None"),
(int)OBS_MONITORING_TYPE_NONE);
monitoringType->addItem(QTStr("Basic.AdvAudio.Monitoring.MonitorOnly"),
(int)OBS_MONITORING_TYPE_MONITOR_ONLY);
monitoringType->addItem(QTStr("Basic.AdvAudio.Monitoring.Both"),
(int)OBS_MONITORING_TYPE_MONITOR_AND_OUTPUT);
int mt = (int)obs_source_get_monitoring_type(source);
idx = monitoringType->findData(mt);
monitoringType->setCurrentIndex(idx);
monitoringType->setAccessibleName(
QTStr("Basic.AdvAudio.MonitoringSource").arg(sourceName));
#endif
mixer1->setText("1");
mixer1->setChecked(mixers & (1 << 0));
mixer1->setAccessibleName(
QTStr("Basic.Settings.Output.Adv.Audio.Track1"));
mixer2->setText("2");
mixer2->setChecked(mixers & (1 << 1));
mixer2->setAccessibleName(
QTStr("Basic.Settings.Output.Adv.Audio.Track2"));
mixer3->setText("3");
mixer3->setChecked(mixers & (1 << 2));
mixer3->setAccessibleName(
QTStr("Basic.Settings.Output.Adv.Audio.Track3"));
mixer4->setText("4");
mixer4->setChecked(mixers & (1 << 3));
mixer4->setAccessibleName(
QTStr("Basic.Settings.Output.Adv.Audio.Track4"));
mixer5->setText("5");
mixer5->setChecked(mixers & (1 << 4));
mixer5->setAccessibleName(
QTStr("Basic.Settings.Output.Adv.Audio.Track5"));
mixer6->setText("6");
mixer6->setChecked(mixers & (1 << 5));
mixer6->setAccessibleName(
QTStr("Basic.Settings.Output.Adv.Audio.Track6"));
speaker_layout sl = obs_source_get_speaker_layout(source);
if (sl == SPEAKERS_STEREO) {
balanceContainer->layout()->addWidget(labelL);
balanceContainer->layout()->addWidget(balance);
balanceContainer->layout()->addWidget(labelR);
balanceContainer->setMaximumWidth(170);
}
mixerContainer->layout()->addWidget(mixer1);
mixerContainer->layout()->addWidget(mixer2);
mixerContainer->layout()->addWidget(mixer3);
mixerContainer->layout()->addWidget(mixer4);
mixerContainer->layout()->addWidget(mixer5);
mixerContainer->layout()->addWidget(mixer6);
QWidget::connect(volume, SIGNAL(valueChanged(double)), this,
SLOT(volumeChanged(double)));
QWidget::connect(percent, SIGNAL(valueChanged(int)), this,
SLOT(percentChanged(int)));
QWidget::connect(forceMono, SIGNAL(clicked(bool)), this,
SLOT(downmixMonoChanged(bool)));
QWidget::connect(balance, SIGNAL(valueChanged(int)), this,
SLOT(balanceChanged(int)));
QWidget::connect(balance, SIGNAL(doubleClicked()), this,
SLOT(ResetBalance()));
QWidget::connect(syncOffset, SIGNAL(valueChanged(int)), this,
SLOT(syncOffsetChanged(int)));
#if defined(_WIN32) || defined(__APPLE__) || HAVE_PULSEAUDIO
QWidget::connect(monitoringType, SIGNAL(currentIndexChanged(int)), this,
SLOT(monitoringTypeChanged(int)));
#endif
QWidget::connect(mixer1, SIGNAL(clicked(bool)), this,
SLOT(mixer1Changed(bool)));
QWidget::connect(mixer2, SIGNAL(clicked(bool)), this,
SLOT(mixer2Changed(bool)));
QWidget::connect(mixer3, SIGNAL(clicked(bool)), this,
SLOT(mixer3Changed(bool)));
QWidget::connect(mixer4, SIGNAL(clicked(bool)), this,
SLOT(mixer4Changed(bool)));
QWidget::connect(mixer5, SIGNAL(clicked(bool)), this,
SLOT(mixer5Changed(bool)));
QWidget::connect(mixer6, SIGNAL(clicked(bool)), this,
SLOT(mixer6Changed(bool)));
setObjectName(sourceName);
}
OBSAdvAudioCtrl::~OBSAdvAudioCtrl()
{
iconLabel->deleteLater();
nameLabel->deleteLater();
activeContainer->deleteLater();
stackedWidget->deleteLater();
forceMonoContainer->deleteLater();
balanceContainer->deleteLater();
syncOffset->deleteLater();
#if defined(_WIN32) || defined(__APPLE__) || HAVE_PULSEAUDIO
monitoringType->deleteLater();
#endif
mixerContainer->deleteLater();
}
void OBSAdvAudioCtrl::ShowAudioControl(QGridLayout *layout)
{
int lastRow = layout->rowCount();
int idx = 0;
layout->addWidget(iconLabel, lastRow, idx++);
layout->addWidget(nameLabel, lastRow, idx++);
layout->addWidget(activeContainer, lastRow, idx++);
layout->addWidget(stackedWidget, lastRow, idx++);
layout->addWidget(forceMonoContainer, lastRow, idx++);
layout->addWidget(balanceContainer, lastRow, idx++);
layout->addWidget(syncOffset, lastRow, idx++);
#if defined(_WIN32) || defined(__APPLE__) || HAVE_PULSEAUDIO
layout->addWidget(monitoringType, lastRow, idx++);
#endif
layout->addWidget(mixerContainer, lastRow, idx++);
layout->layout()->setAlignment(mixerContainer, Qt::AlignVCenter);
layout->setHorizontalSpacing(15);
}
/* ------------------------------------------------------------------------- */
/* OBS source callbacks */
void OBSAdvAudioCtrl::OBSSourceActivated(void *param, calldata_t *calldata)
{
QMetaObject::invokeMethod(reinterpret_cast<OBSAdvAudioCtrl *>(param),
"SourceActiveChanged", Q_ARG(bool, true));
UNUSED_PARAMETER(calldata);
}
void OBSAdvAudioCtrl::OBSSourceDeactivated(void *param, calldata_t *calldata)
{
QMetaObject::invokeMethod(reinterpret_cast<OBSAdvAudioCtrl *>(param),
"SourceActiveChanged", Q_ARG(bool, false));
UNUSED_PARAMETER(calldata);
}
void OBSAdvAudioCtrl::OBSSourceFlagsChanged(void *param, calldata_t *calldata)
{
uint32_t flags = (uint32_t)calldata_int(calldata, "flags");
QMetaObject::invokeMethod(reinterpret_cast<OBSAdvAudioCtrl *>(param),
"SourceFlagsChanged", Q_ARG(uint32_t, flags));
}
void OBSAdvAudioCtrl::OBSSourceVolumeChanged(void *param, calldata_t *calldata)
{
float volume = (float)calldata_float(calldata, "volume");
QMetaObject::invokeMethod(reinterpret_cast<OBSAdvAudioCtrl *>(param),
"SourceVolumeChanged", Q_ARG(float, volume));
}
void OBSAdvAudioCtrl::OBSSourceSyncChanged(void *param, calldata_t *calldata)
{
int64_t offset = calldata_int(calldata, "offset");
QMetaObject::invokeMethod(reinterpret_cast<OBSAdvAudioCtrl *>(param),
"SourceSyncChanged", Q_ARG(int64_t, offset));
}
void OBSAdvAudioCtrl::OBSSourceMixersChanged(void *param, calldata_t *calldata)
{
uint32_t mixers = (uint32_t)calldata_int(calldata, "mixers");
QMetaObject::invokeMethod(reinterpret_cast<OBSAdvAudioCtrl *>(param),
"SourceMixersChanged",
Q_ARG(uint32_t, mixers));
}
/* ------------------------------------------------------------------------- */
/* Qt event queue source callbacks */
static inline void setCheckboxState(QCheckBox *checkbox, bool checked)
{
checkbox->blockSignals(true);
checkbox->setChecked(checked);
checkbox->blockSignals(false);
}
void OBSAdvAudioCtrl::SourceActiveChanged(bool isActive)
{
if (isActive) {
active->setText(QTStr("Basic.Stats.Status.Active"));
setThemeID(active, "error");
} else {
active->setText(QTStr("Basic.Stats.Status.Inactive"));
setThemeID(active, "");
}
}
void OBSAdvAudioCtrl::SourceFlagsChanged(uint32_t flags)
{
bool forceMonoVal = (flags & OBS_SOURCE_FLAG_FORCE_MONO) != 0;
setCheckboxState(forceMono, forceMonoVal);
}
void OBSAdvAudioCtrl::SourceVolumeChanged(float value)
{
volume->blockSignals(true);
percent->blockSignals(true);
volume->setValue(obs_mul_to_db(value));
percent->setValue((int)std::round(value * 100.0f));
percent->blockSignals(false);
volume->blockSignals(false);
}
void OBSAdvAudioCtrl::SourceSyncChanged(int64_t offset)
{
syncOffset->setValue(offset / NSEC_PER_MSEC);
}
void OBSAdvAudioCtrl::SourceMixersChanged(uint32_t mixers)
{
setCheckboxState(mixer1, mixers & (1 << 0));
setCheckboxState(mixer2, mixers & (1 << 1));
setCheckboxState(mixer3, mixers & (1 << 2));
setCheckboxState(mixer4, mixers & (1 << 3));
setCheckboxState(mixer5, mixers & (1 << 4));
setCheckboxState(mixer6, mixers & (1 << 5));
}
/* ------------------------------------------------------------------------- */
/* Qt control callbacks */
void OBSAdvAudioCtrl::volumeChanged(double db)
{
if (db < MIN_DB) {
volume->setSpecialValueText("-inf dB");
db = -INFINITY;
}
float val = obs_db_to_mul(db);
obs_source_set_volume(source, val);
}
void OBSAdvAudioCtrl::percentChanged(int percent)
{
obs_source_set_volume(source, (float)percent / 100.0f);
}
void OBSAdvAudioCtrl::downmixMonoChanged(bool checked)
{
uint32_t flags = obs_source_get_flags(source);
bool forceMonoActive = (flags & OBS_SOURCE_FLAG_FORCE_MONO) != 0;
if (forceMonoActive != checked) {
if (checked)
flags |= OBS_SOURCE_FLAG_FORCE_MONO;
else
flags &= ~OBS_SOURCE_FLAG_FORCE_MONO;
obs_source_set_flags(source, flags);
}
}
void OBSAdvAudioCtrl::balanceChanged(int val)
{
float bal = (float)val / 100.0f;
if (abs(50 - val) < 10) {
balance->blockSignals(true);
balance->setValue(50);
bal = 0.5f;
balance->blockSignals(false);
}
obs_source_set_balance_value(source, bal);
}
void OBSAdvAudioCtrl::ResetBalance()
{
balance->setValue(50);
}
void OBSAdvAudioCtrl::syncOffsetChanged(int milliseconds)
{
int64_t cur_val = obs_source_get_sync_offset(source);
if (cur_val / NSEC_PER_MSEC != milliseconds)
obs_source_set_sync_offset(source, int64_t(milliseconds) *
NSEC_PER_MSEC);
}
void OBSAdvAudioCtrl::monitoringTypeChanged(int index)
{
int mt = monitoringType->itemData(index).toInt();
obs_source_set_monitoring_type(source, (obs_monitoring_type)mt);
const char *type = nullptr;
switch (mt) {
case OBS_MONITORING_TYPE_NONE:
type = "none";
break;
case OBS_MONITORING_TYPE_MONITOR_ONLY:
type = "monitor only";
break;
case OBS_MONITORING_TYPE_MONITOR_AND_OUTPUT:
type = "monitor and output";
break;
}
blog(LOG_INFO, "User changed audio monitoring for source '%s' to: %s",
obs_source_get_name(source), type);
}
static inline void setMixer(obs_source_t *source, const int mixerIdx,
const bool checked)
{
uint32_t mixers = obs_source_get_audio_mixers(source);
uint32_t new_mixers = mixers;
if (checked)
new_mixers |= (1 << mixerIdx);
else
new_mixers &= ~(1 << mixerIdx);
obs_source_set_audio_mixers(source, new_mixers);
}
void OBSAdvAudioCtrl::mixer1Changed(bool checked)
{
setMixer(source, 0, checked);
}
void OBSAdvAudioCtrl::mixer2Changed(bool checked)
{
setMixer(source, 1, checked);
}
void OBSAdvAudioCtrl::mixer3Changed(bool checked)
{
setMixer(source, 2, checked);
}
void OBSAdvAudioCtrl::mixer4Changed(bool checked)
{
setMixer(source, 3, checked);
}
void OBSAdvAudioCtrl::mixer5Changed(bool checked)
{
setMixer(source, 4, checked);
}
void OBSAdvAudioCtrl::mixer6Changed(bool checked)
{
setMixer(source, 5, checked);
}
void OBSAdvAudioCtrl::SetVolumeWidget(VolumeType type)
{
switch (type) {
case VolumeType::Percent:
stackedWidget->setCurrentWidget(percent);
break;
case VolumeType::dB:
stackedWidget->setCurrentWidget(volume);
break;
}
}
void OBSAdvAudioCtrl::SetIconVisible(bool visible)
{
visible ? iconLabel->show() : iconLabel->hide();
}