qtmobility/plugins/multimedia/gstreamer/mediacapture/maemo/qgstreamerrecordercontrol_maemo.cpp
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#include "qgstreamerrecordercontrol_maemo.h"
#include "qgstreameraudioencode_maemo.h"
#include "qgstreamervideoencode_maemo.h"
#include "qgstreamermediacontainercontrol_maemo.h"
#include <QtCore/QDebug>
QGstreamerRecorderControl::QGstreamerRecorderControl(QGstreamerCaptureSession *session)
:QMediaRecorderControl(session), m_session(session), m_state(QMediaRecorder::StoppedState)
{
connect(m_session, SIGNAL(stateChanged(QGstreamerCaptureSession::State)), SLOT(updateState()));
connect(m_session, SIGNAL(error(int,QString)), SIGNAL(error(int,QString)));
connect(m_session, SIGNAL(durationChanged(qint64)), SIGNAL(durationChanged(qint64)));
m_hasPreviewState = m_session->captureMode() != QGstreamerCaptureSession::Audio;
}
QGstreamerRecorderControl::~QGstreamerRecorderControl()
{
}
QUrl QGstreamerRecorderControl::outputLocation() const
{
return m_session->outputLocation();
}
bool QGstreamerRecorderControl::setOutputLocation(const QUrl &sink)
{
m_session->setOutputLocation(sink);
return true;
}
QMediaRecorder::State QGstreamerRecorderControl::state() const
{
switch ( m_session->state() ) {
case QGstreamerCaptureSession::RecordingState:
return QMediaRecorder::RecordingState;
case QGstreamerCaptureSession::PausedState:
return QMediaRecorder::PausedState;
case QGstreamerCaptureSession::PreviewState:
case QGstreamerCaptureSession::StoppedState:
return QMediaRecorder::StoppedState;
}
return QMediaRecorder::StoppedState;
}
void QGstreamerRecorderControl::updateState()
{
QMediaRecorder::State newState = state();
if (m_state != newState) {
m_state = newState;
emit stateChanged(m_state);
}
}
qint64 QGstreamerRecorderControl::duration() const
{
return m_session->duration();
}
void QGstreamerRecorderControl::record()
{
if (!m_hasPreviewState || m_session->state() != QGstreamerCaptureSession::StoppedState) {
m_session->setState(QGstreamerCaptureSession::RecordingState);
} else
emit error(QMediaRecorder::ResourceError, tr("Service has not been started"));
}
void QGstreamerRecorderControl::pause()
{
if (!m_hasPreviewState || m_session->state() != QGstreamerCaptureSession::StoppedState) {
m_session->setState(QGstreamerCaptureSession::PausedState);
} else
emit error(QMediaRecorder::ResourceError, tr("Service has not been started"));
}
void QGstreamerRecorderControl::stop()
{
if (!m_hasPreviewState) {
m_session->setState(QGstreamerCaptureSession::StoppedState);
} else {
if (m_session->state() != QGstreamerCaptureSession::StoppedState)
m_session->setState(QGstreamerCaptureSession::PreviewState);
}
}
void QGstreamerRecorderControl::applySettings()
{
//Check the codecs are compatible with container,
//and choose the compatible codecs/container if omitted
QGstreamerAudioEncode *audioEncodeControl = m_session->audioEncodeControl();
QGstreamerVideoEncode *videoEncodeControl = m_session->videoEncodeControl();
QGstreamerMediaContainerControl *mediaContainerControl = m_session->mediaContainerControl();
bool needAudio = m_session->captureMode() & QGstreamerCaptureSession::Audio;
bool needVideo = m_session->captureMode() & QGstreamerCaptureSession::Video;
QStringList containerCandidates;
if (mediaContainerControl->containerMimeType().isEmpty())
containerCandidates = mediaContainerControl->supportedContainers();
else
containerCandidates << mediaContainerControl->containerMimeType();
QStringList audioCandidates;
if (needAudio) {
QAudioEncoderSettings audioSettings = audioEncodeControl->audioSettings();
if (audioSettings.codec().isEmpty())
audioCandidates = audioEncodeControl->supportedAudioCodecs();
else
audioCandidates << audioSettings.codec();
}
QStringList videoCandidates;
if (needVideo) {
QVideoEncoderSettings videoSettings = videoEncodeControl->videoSettings();
if (videoSettings.codec().isEmpty())
videoCandidates = videoEncodeControl->supportedVideoCodecs();
else
videoCandidates << videoSettings.codec();
}
QString container;
QString audioCodec;
QString videoCodec;
foreach (const QString &containerCandidate, containerCandidates) {
QSet<QString> supportedTypes = mediaContainerControl->supportedStreamTypes(containerCandidate);
audioCodec.clear();
videoCodec.clear();
if (needAudio) {
bool found = false;
foreach (const QString &audioCandidate, audioCandidates) {
QSet<QString> audioTypes = audioEncodeControl->supportedStreamTypes(audioCandidate);
if (!audioTypes.intersect(supportedTypes).isEmpty()) {
found = true;
audioCodec = audioCandidate;
break;
}
}
if (!found)
continue;
}
if (needVideo) {
bool found = false;
foreach (const QString &videoCandidate, videoCandidates) {
QSet<QString> videoTypes = videoEncodeControl->supportedStreamTypes(videoCandidate);
if (!videoTypes.intersect(supportedTypes).isEmpty()) {
found = true;
videoCodec = videoCandidate;
break;
}
}
if (!found)
continue;
}
container = containerCandidate;
break;
}
if (container.isEmpty()) {
emit error(QMediaRecorder::FormatError, tr("Not compatible codecs and container format."));
} else {
mediaContainerControl->setContainerMimeType(container);
if (needAudio) {
QAudioEncoderSettings audioSettings = audioEncodeControl->audioSettings();
audioSettings.setCodec(audioCodec);
audioEncodeControl->setAudioSettings(audioSettings);
}
if (needVideo) {
QVideoEncoderSettings videoSettings = videoEncodeControl->videoSettings();
videoSettings.setCodec(videoCodec);
videoEncodeControl->setVideoSettings(videoSettings);
}
}
}
bool QGstreamerRecorderControl::isMuted() const
{
return false;
}
void QGstreamerRecorderControl::setMuted(bool)
{
}