void MediaImpl::resetMovie()
{
// XXX: There used to be an issue that when we reached EOS (_eos() == true) we could not seek anymore.
if (_seekEnabled)
{
qDebug() << "Seeking at position 0.";
GstEvent* seek_event;
if (_rate > 0) {
seek_event = gst_event_new_seek (_rate, GST_FORMAT_TIME, GstSeekFlags( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_NONE, 0);
} else {
seek_event = gst_event_new_seek (_rate, GST_FORMAT_TIME, GstSeekFlags( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_END, 0);
}
/* Send the event */
gst_element_send_event (_appsink0, seek_event);
// gst_element_seek_simple (_pipeline, GST_FORMAT_TIME,
// (GstSeekFlags) (GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT), 0);
// this->_currentFrameSample = NULL;
_setMovieReady(true);
}
else
{
// Just reload movie.
qDebug() << "Reloading the movie" << _seekEnabled;
loadMovie(_uri);
}
}
void VideoImpl::_updateRate()
{
// Check different things.
if (_pipeline == NULL)
{
qWarning() << "Cannot set rate: no pipeline!" << endl;
return;
}
if (!_seekEnabled)
{
qWarning() << "Cannot set rate: seek not working" << endl;
return;
}
if (!_isMovieReady())
{
qWarning() << "Movie is not yet ready to play, cannot seek yet." << endl;
}
// Obtain the current position, needed for the seek event.
gint64 position;
if (!gst_element_query_position (_pipeline, GST_FORMAT_TIME, &position)) {
qWarning() << "Unable to retrieve current position." << endl;
return;
}
// Create the seek event.
GstEvent *seekEvent;
if (_rate > 0.0) {
// Rate is positive (playing the video in normal direction)
// Set new rate as a first argument. Provide position 0 so that we go to 0:00
seekEvent = gst_event_new_seek (_rate, GST_FORMAT_TIME, GstSeekFlags( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
GST_SEEK_TYPE_SET, position, GST_SEEK_TYPE_NONE, 0); // Go to 0:00
} else {
// Rate is negative
// Set new rate as a first arguemnt. Provide the position we were already at.
seekEvent = gst_event_new_seek (_rate, GST_FORMAT_TIME, GstSeekFlags( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET, position);
}
// If we have not done so, obtain the sink through which we will send the seek events.
if (_appsink0 == NULL) {
g_object_get (_pipeline, "video-sink", &_appsink0, NULL);
}
// Send the event.
if (!gst_element_send_event (_appsink0, seekEvent)) {
qWarning() << "Cannot perform seek event" << endl;
}
qDebug() << "Current rate: " << _rate << "." << endl;
}
bool GstVideoPlayerBackend::setSpeed(double speed)
{
if (!m_pipeline)
return false;
if (speed == m_playbackSpeed)
return true;
if (speed == 0)
return false;
gboolean re = gst_element_seek(m_pipeline, speed, GST_FORMAT_TIME,
GstSeekFlags(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_SKIP),
GST_SEEK_TYPE_SET, position(), GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);
if (!re)
{
qDebug() << "gstreamer: Setting playback speed failed";
emit nonFatalError(tr("Playback speed failed"));
}
else
{
m_playbackSpeed = speed;
m_lastspeed = speed;
qDebug() << "gstreamer: set playback speed to" << m_playbackSpeed;
emit playbackSpeedChanged(m_playbackSpeed);
}
return re ? true : false;
}
bool VideoImpl::seekTo(guint64 positionNanoSeconds)
{
if (!_appsink0 || !_seekEnabled)
{
return false;
}
else
{
lockMutex();
// Free the current sample and reset.
_freeCurrentSample();
_bitsChanged = false;
// Seek to position.
bool result = gst_element_seek_simple(
_appsink0, GST_FORMAT_TIME,
GstSeekFlags( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
positionNanoSeconds);
unlockMutex();
return result;
}
}
void MediaImpl::_updateRate()
{
if (_pipeline == NULL)
{
qDebug() << "Cannot set rate: no pipeline!" << endl;
return;
}
if (!_seekEnabled)
{
qDebug() << "Cannot set rate: seek not working" << endl;
return;
}
if (!_isMovieReady())
{
qDebug() << "Movie is not yet ready to play, cannot seek yet." << endl;
}
gint64 position;
GstEvent *seekEvent;
/* Obtain the current position, needed for the seek event */
if (!gst_element_query_position (_pipeline, GST_FORMAT_TIME, &position)) {
g_printerr ("Unable to retrieve current position.\n");
return;
}
/* Create the seek event */
if (_rate > 0) {
seekEvent = gst_event_new_seek (_rate, GST_FORMAT_TIME, GstSeekFlags( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
GST_SEEK_TYPE_SET, position, GST_SEEK_TYPE_NONE, 0);
} else {
seekEvent = gst_event_new_seek (_rate, GST_FORMAT_TIME, GstSeekFlags( GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE ),
GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_SET, position);
}
if (_appsink0 == NULL) {
/* If we have not done so, obtain the sink through which we will send the seek events */
g_object_get (_pipeline, "video-sink", &_appsink0, NULL);
}
/* Send the event */
gst_element_send_event (_appsink0, seekEvent);
g_print ("Current rate: %g\n", _rate);
}
void NPlaybackEngineGStreamer::jump(qint64 msec)
{
if (!hasMedia())
return;
gst_element_seek_simple(m_playbin, GST_FORMAT_TIME,
GstSeekFlags(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT),
position() * m_durationNsec + msec * NSEC_IN_MSEC);
}
void QGstreamerPlayerSession::setPlaybackRate(qreal rate)
{
if (!qFuzzyCompare(m_playbackRate, rate)) {
m_playbackRate = rate;
if (m_playbin) {
gst_element_seek(m_playbin, rate, GST_FORMAT_TIME,
GstSeekFlags(GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_FLUSH),
GST_SEEK_TYPE_NONE,0,
GST_SEEK_TYPE_NONE,0 );
}
}
}
void NPlaybackEngineGStreamer::setPosition(qreal pos)
{
if (!hasMedia() || pos < 0 || pos > 1)
return;
if (m_durationNsec > 0) {
gst_element_seek_simple(m_playbin, GST_FORMAT_TIME,
GstSeekFlags(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT),
pos * m_durationNsec);
} else {
m_posponedPosition = pos;
}
}
///////////////////////////////////////////////////////////////////////////////
// virtual
bool LLMediaImplGStreamer::seek(double time)
{
bool success = false;
if (mPlaybin)
{
success = gst_element_seek(mPlaybin, 1.0F, GST_FORMAT_TIME,
GstSeekFlags(GST_SEEK_FLAG_FLUSH |
GST_SEEK_FLAG_KEY_UNIT),
GST_SEEK_TYPE_SET, gint64(time*1000000000.0F),
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
}
LL_DEBUGS("MediaImpl") << "MEDIA SEEK REQUEST to " << float(time)
<< "sec result was " << int(success) << LL_ENDL;
return success;
}
bool
MediaPluginGStreamer010::seek(double time_sec)
{
bool success = false;
if (mDoneInit && mPlaybin)
{
success = gst_element_seek(mPlaybin, 1.0F, GST_FORMAT_TIME,
GstSeekFlags(GST_SEEK_FLAG_FLUSH |
GST_SEEK_FLAG_KEY_UNIT),
GST_SEEK_TYPE_SET, gint64(time_sec*GST_SECOND),
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
}
DEBUGMSG("MEDIA SEEK REQUEST to %fsec result was %d",
float(time_sec), int(success));
return success;
}
bool QGstreamerPlayerSession::seek(qint64 ms)
{
//seek locks when the video output sink is changing and pad is blocked
if (m_playbin && !m_pendingVideoSink && m_state != QMediaPlayer::StoppedState) {
gint64 position = qMax(ms,qint64(0)) * 1000000;
return gst_element_seek(m_playbin,
m_playbackRate,
GST_FORMAT_TIME,
GstSeekFlags(GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_FLUSH),
GST_SEEK_TYPE_SET,
position,
GST_SEEK_TYPE_NONE,
0);
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
// virtual
bool
LLMediaImplGStreamer::
seek( double time )
{
bool success = false;
if (mPlaybin)
{
success = llgst_element_seek(mPlaybin, 1.0F, GST_FORMAT_TIME,
GstSeekFlags(GST_SEEK_FLAG_FLUSH |
GST_SEEK_FLAG_KEY_UNIT),
GST_SEEK_TYPE_SET, gint64(time*1000000000.0F),
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
}
DEBUGMSG("MEDIA SEEK REQUEST to %fsec result was %d",
float(time), int(success));
return success;
}
void GStreamerImageStream::seek(double time)
{
OSGGST_INFO<<"GStreamerImageStream::seek("<<time<<")"<<std::endl;
gst_element_seek_simple(_pipeline, GST_FORMAT_TIME, GstSeekFlags(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT), time * GST_MSECOND);
}
void GStreamerImageStream::rewind()
{
OSGGST_INFO<<"GStreamerImageStream::rewind()"<<std::endl;
gst_element_seek_simple(_pipeline, GST_FORMAT_TIME, GstSeekFlags(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT), 0);
}
