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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qwindowsmediaencoder_p.h"
#include "qwindowsmediadevicesession_p.h"
#include "qwindowsmediacapture_p.h"
#include "mfmetadata_p.h"
#include <QtCore/QUrl>
#include <QtCore/QMimeType>
#include <mferror.h>
#include <shobjidl.h>
#include <private/qmediastoragelocation_p.h>
#include <private/qmediarecorder_p.h>
QT_BEGIN_NAMESPACE
QWindowsMediaEncoder::QWindowsMediaEncoder(QMediaRecorder *parent)
: QObject(parent),
QPlatformMediaRecorder(parent)
{
}
bool QWindowsMediaEncoder::isLocationWritable(const QUrl &location) const
{
return location.scheme() == QLatin1String("file") || location.scheme().isEmpty();
}
QMediaRecorder::RecorderState QWindowsMediaEncoder::state() const
{
return m_state;
}
qint64 QWindowsMediaEncoder::duration() const
{
return m_duration;
}
void QWindowsMediaEncoder::record(QMediaEncoderSettings &settings)
{
if (!m_captureService || !m_mediaDeviceSession) {
qWarning() << Q_FUNC_INFO << "Encoder is not set to a capture session";
return;
}
if (m_state != QMediaRecorder::StoppedState)
return;
m_sessionWasActive = m_mediaDeviceSession->isActive() || m_mediaDeviceSession->isActivating();
if (!m_sessionWasActive) {
m_mediaDeviceSession->setActive(true);
if (!m_mediaDeviceSession->isActivating()) {
updateError(QMediaRecorder::ResourceError,
QMediaRecorderPrivate::msgFailedStartRecording());
return;
}
}
const auto audioOnly = settings.videoCodec() == QMediaFormat::VideoCodec::Unspecified;
m_fileName = QMediaStorageLocation::generateFileName(outputLocation().toLocalFile(), audioOnly
? QStandardPaths::MusicLocation
: QStandardPaths::MoviesLocation,
settings.mimeType().preferredSuffix());
QMediaRecorder::Error ec = m_mediaDeviceSession->startRecording(settings, m_fileName, audioOnly);
if (ec == QMediaRecorder::NoError) {
m_state = QMediaRecorder::RecordingState;
actualLocationChanged(QUrl::fromLocalFile(m_fileName));
stateChanged(m_state);
} else {
updateError(ec, QMediaRecorderPrivate::msgFailedStartRecording());
}
}
void QWindowsMediaEncoder::pause()
{
if (!m_mediaDeviceSession || m_state != QMediaRecorder::RecordingState)
return;
if (m_mediaDeviceSession->pauseRecording()) {
m_state = QMediaRecorder::PausedState;
stateChanged(m_state);
} else {
updateError(QMediaRecorder::FormatError, tr("Failed to pause recording"));
}
}
void QWindowsMediaEncoder::resume()
{
if (!m_mediaDeviceSession || m_state != QMediaRecorder::PausedState)
return;
if (m_mediaDeviceSession->resumeRecording()) {
m_state = QMediaRecorder::RecordingState;
stateChanged(m_state);
} else {
updateError(QMediaRecorder::FormatError, tr("Failed to resume recording"));
}
}
void QWindowsMediaEncoder::stop()
{
if (m_mediaDeviceSession && m_state != QMediaRecorder::StoppedState) {
m_mediaDeviceSession->stopRecording();
if (!m_sessionWasActive)
m_mediaDeviceSession->setActive(false);
}
}
void QWindowsMediaEncoder::setCaptureSession(QPlatformMediaCaptureSession *session)
{
QWindowsMediaCaptureService *captureSession = static_cast<QWindowsMediaCaptureService *>(session);
if (m_captureService == captureSession)
return;
if (m_captureService)
stop();
m_captureService = captureSession;
if (!m_captureService) {
m_mediaDeviceSession = nullptr;
return;
}
m_mediaDeviceSession = m_captureService->session();
Q_ASSERT(m_mediaDeviceSession);
connect(m_mediaDeviceSession, &QWindowsMediaDeviceSession::recordingStarted, this, &QWindowsMediaEncoder::onRecordingStarted);
connect(m_mediaDeviceSession, &QWindowsMediaDeviceSession::recordingStopped, this, &QWindowsMediaEncoder::onRecordingStopped);
connect(m_mediaDeviceSession, &QWindowsMediaDeviceSession::streamingError, this, &QWindowsMediaEncoder::onStreamingError);
connect(m_mediaDeviceSession, &QWindowsMediaDeviceSession::recordingError, this, &QWindowsMediaEncoder::onRecordingError);
connect(m_mediaDeviceSession, &QWindowsMediaDeviceSession::durationChanged, this, &QWindowsMediaEncoder::onDurationChanged);
connect(m_captureService, &QWindowsMediaCaptureService::cameraChanged, this, &QWindowsMediaEncoder::onCameraChanged);
onCameraChanged();
}
void QWindowsMediaEncoder::setMetaData(const QMediaMetaData &metaData)
{
m_metaData = metaData;
}
QMediaMetaData QWindowsMediaEncoder::metaData() const
{
return m_metaData;
}
void QWindowsMediaEncoder::saveMetadata()
{
if (!m_metaData.isEmpty()) {
const QString nativeFileName = QDir::toNativeSeparators(m_fileName);
IPropertyStore *store = nullptr;
if (SUCCEEDED(SHGetPropertyStoreFromParsingName(reinterpret_cast<LPCWSTR>(nativeFileName.utf16()),
nullptr, GPS_READWRITE, IID_PPV_ARGS(&store)))) {
MFMetaData::toNative(m_metaData, store);
store->Commit();
store->Release();
}
}
}
void QWindowsMediaEncoder::onDurationChanged(qint64 duration)
{
m_duration = duration;
durationChanged(m_duration);
}
void QWindowsMediaEncoder::onStreamingError(int errorCode)
{
if (errorCode == MF_E_VIDEO_RECORDING_DEVICE_INVALIDATED)
updateError(QMediaRecorder::ResourceError, tr("Camera is no longer present"));
else if (errorCode == MF_E_AUDIO_RECORDING_DEVICE_INVALIDATED)
updateError(QMediaRecorder::ResourceError, tr("Audio input is no longer present"));
else
updateError(QMediaRecorder::ResourceError, tr("Streaming error"));
if (m_state != QMediaRecorder::StoppedState) {
m_mediaDeviceSession->stopRecording();
if (!m_sessionWasActive)
m_mediaDeviceSession->setActive(false);
}
}
void QWindowsMediaEncoder::onRecordingError(int errorCode)
{
Q_UNUSED(errorCode);
updateError(QMediaRecorder::ResourceError, tr("Recording error"));
auto lastState = m_state;
m_state = QMediaRecorder::StoppedState;
if (m_state != lastState)
stateChanged(m_state);
}
void QWindowsMediaEncoder::onCameraChanged()
{
}
void QWindowsMediaEncoder::onRecordingStarted()
{
}
void QWindowsMediaEncoder::onRecordingStopped()
{
saveMetadata();
auto lastState = m_state;
m_state = QMediaRecorder::StoppedState;
if (m_state != lastState)
stateChanged(m_state);
}
QT_END_NAMESPACE
#include "moc_qwindowsmediaencoder_p.cpp"
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