KUIRecord::~KUIRecord()
{
gst_element_send_event (screenEnc, gst_event_new_eos ());
gst_element_send_event (camEnc, gst_event_new_eos ());
gst_element_send_event (audioEnc, gst_event_new_eos());
gst_element_send_event(pipeline, gst_event_new_flush_stop());
gst_element_set_state(pipeline, GST_STATE_NULL);
gst_object_unref(pipeline);
}
static void
check_correct_buffer (guint8 * src_data, guint src_size, guint8 * dst_data,
guint dst_size)
{
GstBuffer *buffer = gst_buffer_new_allocate (NULL, src_size, 0);
GstBuffer *newBuffer;
GstElement *avisubtitle = setup_avisubtitle ();
GstEvent *event;
fail_unless (g_list_length (buffers) == 0, "Buffers list needs to be empty");
gst_buffer_fill (buffer, 0, src_data, src_size);
fail_unless (gst_element_set_state (avisubtitle,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
ASSERT_BUFFER_REFCOUNT (buffer, "inbuffer", 1);
event = gst_event_new_seek (1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 2 * GST_SECOND, GST_SEEK_TYPE_SET, 5 * GST_SECOND);
fail_unless (gst_element_send_event (avisubtitle, event) == FALSE,
"Seeking is not possible when there is no buffer yet");
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK,
"not accepted a correct buffer");
/* we gave away our reference to the buffer, don't assume anything */
buffer = NULL;
/* a new buffer is created in the list */
fail_unless (g_list_length (buffers) == 1,
"No new buffer in the buffers list");
event = gst_event_new_seek (1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 2 * GST_SECOND, GST_SEEK_TYPE_SET, 5 * GST_SECOND);
fail_unless (gst_element_send_event (avisubtitle, event) == TRUE,
"seeking should be working now");
fail_unless (g_list_length (buffers) == 2,
"After seeking we need another buffer in the buffers");
newBuffer = GST_BUFFER (buffers->data);
buffers = g_list_remove (buffers, newBuffer);
fail_unless (g_list_length (buffers) == 1, "Buffers list needs to be empty");
fail_unless (gst_buffer_get_size (newBuffer) == dst_size,
"size of the new buffer is wrong ( %d != %d)",
gst_buffer_get_size (newBuffer), dst_size);
fail_unless (gst_buffer_memcmp (newBuffer, 0, dst_data, dst_size) == 0,
"data of the buffer is not correct");
gst_buffer_unref (newBuffer);
/* free the buffer from seeking */
gst_buffer_unref (GST_BUFFER (buffers->data));
buffers = g_list_remove (buffers, buffers->data);
fail_unless (gst_element_set_state (avisubtitle,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to null");
cleanup_avisubtitle (avisubtitle);
}
static gboolean
play_do_seek (GstElement * pipeline, gint64 pos, gdouble rate,
GstPlayTrickMode mode)
{
GstSeekFlags seek_flags;
GstQuery *query;
GstEvent *seek;
gboolean seekable = FALSE;
query = gst_query_new_seeking (GST_FORMAT_TIME);
if (!gst_element_query (pipeline, query)) {
gst_query_unref (query);
return FALSE;
}
gst_query_parse_seeking (query, NULL, &seekable, NULL, NULL);
gst_query_unref (query);
if (!seekable)
return FALSE;
seek_flags = GST_SEEK_FLAG_FLUSH;
switch (mode) {
case GST_PLAY_TRICK_MODE_DEFAULT:
seek_flags |= GST_SEEK_FLAG_TRICKMODE;
break;
case GST_PLAY_TRICK_MODE_DEFAULT_NO_AUDIO:
seek_flags |= GST_SEEK_FLAG_TRICKMODE | GST_SEEK_FLAG_TRICKMODE_NO_AUDIO;
break;
case GST_PLAY_TRICK_MODE_KEY_UNITS:
seek_flags |= GST_SEEK_FLAG_TRICKMODE_KEY_UNITS;
break;
case GST_PLAY_TRICK_MODE_KEY_UNITS_NO_AUDIO:
seek_flags |=
GST_SEEK_FLAG_TRICKMODE_KEY_UNITS | GST_SEEK_FLAG_TRICKMODE_NO_AUDIO;
break;
case GST_PLAY_TRICK_MODE_NONE:
default:
break;
}
if (rate >= 0)
seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
seek_flags | GST_SEEK_FLAG_ACCURATE,
/* start */ GST_SEEK_TYPE_SET, pos,
/* stop */ GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);
else
seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
seek_flags | GST_SEEK_FLAG_ACCURATE,
/* start */ GST_SEEK_TYPE_SET, 0,
/* stop */ GST_SEEK_TYPE_SET, pos);
if (!gst_element_send_event (pipeline, seek))
return FALSE;
cur_rate = rate;
trick_mode = mode;
return TRUE;
}
void ofGstUtils::close(){
if(bPlaying){
if(!bIsMovieDone && !bPaused && !isStream){
eosMutex.lock();
closing = true;
gst_element_send_event(gstPipeline,gst_event_new_eos());
try{
eosCondition.wait(eosMutex,5000);
}catch(const Poco::TimeoutException & e){
ofLogWarning("ofGstUtils") << "didn't received EOS in 5s, closing pipeline anyway";
}
eosMutex.unlock();
closing = false;
}
}
stop();
if(bLoaded){
gst_element_set_state(GST_ELEMENT(gstPipeline), GST_STATE_NULL);
gst_element_get_state(gstPipeline,NULL,NULL,2*GST_SECOND);
if(busWatchID!=0) g_source_remove(busWatchID);
gst_object_unref(gstPipeline);
gstPipeline = NULL;
gstSink = NULL;
}
bLoaded = false;
}
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);
}
}
static void
brasero_transcode_send_volume_event (BraseroTranscode *transcode)
{
BraseroTranscodePrivate *priv;
gdouble track_peak = 0.0;
gdouble track_gain = 0.0;
GstTagList *tag_list;
BraseroTrack *track;
GstEvent *event;
GValue *value;
priv = BRASERO_TRANSCODE_PRIVATE (transcode);
brasero_job_get_current_track (BRASERO_JOB (transcode), &track);
BRASERO_JOB_LOG (transcode, "Sending audio levels tags");
if (brasero_track_tag_lookup (track, BRASERO_TRACK_PEAK_VALUE, &value) == BRASERO_BURN_OK)
track_peak = g_value_get_double (value);
if (brasero_track_tag_lookup (track, BRASERO_TRACK_GAIN_VALUE, &value) == BRASERO_BURN_OK)
track_gain = g_value_get_double (value);
/* it's possible we fail */
tag_list = gst_tag_list_new (GST_TAG_TRACK_GAIN, track_gain,
GST_TAG_TRACK_PEAK, track_peak,
NULL);
/* NOTE: that event is goind downstream */
event = gst_event_new_tag (tag_list);
if (!gst_element_send_event (priv->convert, event))
BRASERO_JOB_LOG (transcode, "Couldn't send tags to rgvolume");
BRASERO_JOB_LOG (transcode, "Set volume level %lf %lf", track_gain, track_peak);
}
void gstreamer_next_frame() {
GstElement *video_sink = get_video_sink();
if (!video_sink)
return;
gst_element_send_event (video_sink,
gst_event_new_step (GST_FORMAT_BUFFERS, 1, playback_rate, TRUE, FALSE));
}
static void
test_play_twice_message_received (GstBus * bus, GstMessage * message,
GstElement * bin)
{
gboolean res;
GstStateChangeReturn state_res;
GST_INFO ("bus message from \"%" GST_PTR_FORMAT "\": %" GST_PTR_FORMAT,
GST_MESSAGE_SRC (message), message);
switch (message->type) {
case GST_MESSAGE_SEGMENT_DONE:
play_count++;
if (play_count == 1) {
state_res = gst_element_set_state (bin, GST_STATE_READY);
ck_assert_int_ne (state_res, GST_STATE_CHANGE_FAILURE);
/* prepare playing again */
set_state_and_wait (bin, GST_STATE_PAUSED);
res = gst_element_send_event (bin, gst_event_ref (play_seek_event));
fail_unless (res == TRUE, NULL);
state_res = gst_element_set_state (bin, GST_STATE_PLAYING);
ck_assert_int_ne (state_res, GST_STATE_CHANGE_FAILURE);
} else {
g_main_loop_quit (main_loop);
}
break;
default:
g_assert_not_reached ();
break;
}
}
void ofGstUtils::close(){
if(bPlaying){
if(!bIsMovieDone && !bPaused && !isStream){
std::unique_lock<std::mutex> lck(eosMutex);
closing = true;
gst_element_send_event(gstPipeline,gst_event_new_eos());
if(eosCondition.wait_for(lck,std::chrono::milliseconds(5000))==std::cv_status::timeout){
ofLogWarning("ofGstUtils") << "didn't received EOS in 5s, closing pipeline anyway";
}
closing = false;
}
}
stop();
if(bLoaded){
gst_element_set_state(GST_ELEMENT(gstPipeline), GST_STATE_NULL);
gst_element_get_state(gstPipeline,NULL,NULL,2*GST_SECOND);
if(busWatchID!=0) g_source_remove(busWatchID);
gst_object_unref(gstPipeline);
gstPipeline = NULL;
gstSink = NULL;
}
bLoaded = false;
}
static void
_send_seek_event (const GValue * item, gpointer seek_event)
{
GstElement *child = g_value_get_object (item);
gst_element_send_event (child, gst_event_ref (seek_event));
}
void ofxGstRTPServer::close(){
if(appSrcDepth){
gst_element_send_event(appSrcDepth,gst_event_new_eos());
}
if(appSrcVideoRGB){
gst_element_send_event(appSrcVideoRGB,gst_event_new_eos());
}
if(appSrcOsc){
gst_element_send_event(appSrcOsc,gst_event_new_eos());
}
if(gst.getGstElementByName("audiocapture")){
gst_element_send_event(gst.getGstElementByName("audiocapture"),gst_event_new_eos());
}
gst.close();
vRTPsink = NULL;
vRTPCsink = NULL;
vRTPCsrc = NULL;
vEncoder = NULL;
dEncoder = NULL;
aEncoder = NULL;
appSrcVideoRGB = NULL;
appSrcDepth = NULL;
appSrcOsc = NULL;
bufferPool = NULL;
bufferPoolDepth = NULL;
fps = 0;
prevTimestamp = 0;
numFrame = 0;
prevTimestampDepth = 0;
numFrameDepth = 0;
prevTimestampOsc = 0;
numFrameOsc = 0;
width = 0;
height = 0;
lastSessionNumber = 0;
#if ENABLE_NAT_TRANSVERSAL
videoStream.reset();
depthStream.reset();
oscStream.reset();
audioStream.reset();
#endif
firstVideoFrame = true;
firstOscFrame = true;
firstDepthFrame = true;
ofRemoveListener(ofEvents().update,this,&ofxGstRTPServer::update);
}
static gboolean
seek_mode_testing (InsanityTest * test)
{
gboolean res;
GstEvent *event;
GstSeekFlags flags = GST_SEEK_FLAG_FLUSH;
GstSeekType stop_type = GST_SEEK_TYPE_NONE;
/* Reset global seek props */
glob_seek_first_buf_ts = GST_CLOCK_TIME_NONE;
glob_seek_stop_ts = GST_CLOCK_TIME_NONE;
glob_seek_segment_seektime = 0;
/* Set seeking arguments */
switch (glob_in_progress) {
case TEST_BACKWARD_PLAYBACK:
glob_seek_rate = -1;
glob_seek_stop_ts = glob_duration;
stop_type = GST_SEEK_TYPE_SET;
break;
case TEST_FAST_FORWARD:
glob_seek_rate = 2;
glob_seek_stop_ts = glob_duration / 2;
break;
case TEST_FAST_BACKWARD:
glob_seek_rate = -2;
glob_seek_stop_ts = glob_duration;
stop_type = GST_SEEK_TYPE_SET;
break;
default:
return FALSE;
}
glob_seek_got_segment = FALSE;
event = gst_event_new_seek (glob_seek_rate, GST_FORMAT_TIME,
flags, GST_SEEK_TYPE_SET, glob_seek_segment_seektime,
stop_type, glob_seek_stop_ts);
/* We didn't find any event/message with the seqnum we previously set */
if (glob_seqnum != 0 && glob_seqnum_found == FALSE)
glob_wrong_seqnum = TRUE;
glob_seqnum_found = FALSE;
glob_seqnum = gst_util_seqnum_next ();
gst_event_set_seqnum (event, glob_seqnum);
res = gst_element_send_event (glob_pipeline, event);
global_last_seek = g_get_monotonic_time ();
if (!res) {
validate_current_test (test, FALSE, "Could not send seek event");
glob_seek_rate = 0;
glob_seqnum = 0;
/* ... Next test */
next_test (test);
}
return FALSE;
}
//-----------------------------------------------------------------------------
void tIMX51Video::StopInternal()
{
if( m_pGstPipeline )
{
//qDebug() << "tHalVideoSr2::StopInternal: gst_element_get_state";
gst_element_get_state( m_pGstPipeline, NULL, NULL, 3000000000ULL );
}
if( m_RunningInternal )
{
killTimer(m_TimerId);
m_RunningInternal = false;
// Send an event down the gstreamer pipeline to stop the data being processed.
// When the app has received this message, then we know all plugins have got the message.
// (Needed because ipu_csc is using hw buffers mmap'd inside v4lsrc plugin. Since src
// plugin stopped before csc, then this can cause problems)
if( !EosReceived() )
{
qDebug() << "tHalVideoSr2::StopInternal: send EOS";
int timeout = 5000;
gst_element_send_event( m_pGstPipeline, gst_event_new_eos() );
while(!EosReceived())
{
usleep(1000);
timeout--;
if(timeout == 0)
{
qDebug() << "tHalVideoSr2::StopInternal: timeout waiting for EOS";
break;
}
}
m_EosReceived = false;
}
else
qDebug() << "tHalVideoSr2::StopInternal: EOS already received?";
/*qDebug() << "tHalVideoSr2::StopInternal: ->PAUSED";
gst_element_set_state( m_pGstPipeline, GST_STATE_PAUSED );
gst_element_get_state( m_pGstPipeline, NULL, NULL, 3000000000ULL );
while (g_main_context_iteration (NULL, FALSE)); // not sure the purpose of this - copied from
qDebug() << "tHalVideoSr2::StopInternal: ->READY";
gst_element_set_state( m_pGstPipeline, GST_STATE_READY );
gst_element_get_state( m_pGstPipeline, NULL, NULL, 3000000000ULL );*/
qDebug() << "tHalVideoSr2::StopInternal: setting GST_STATE_NULL state";
gst_element_set_state( m_pGstPipeline, GST_STATE_NULL );
gst_element_get_state( m_pGstPipeline, NULL, NULL, 3000000000ULL );
//qDebug() << "tHalVideoSr2::StopInternal: gst_object_unref";
gst_object_unref( GST_OBJECT( m_pGstPipeline ) );
m_pGstPipeline = 0;
}
qDebug() << "tHalVideoSr2::StopInternal: done";
}
static void timeout_callback(GstElement* element, guint session, guint ssrc, gpointer user_data)
{
if (user_data == NULL)
printf( "GST: Sending EOS TO THE pipeline !!!!\n");
else
printf( "GST: Sending EOS TO THE pipeline in case:%s !!!!\n",(char *)user_data);
gst_element_send_event(pipeline, gst_event_new_eos());
g_main_loop_quit (loop);
}
static gboolean
wait_and_do_seek (gpointer data)
{
InsanityTest *test = data;
GstEvent *event;
gboolean res;
if (GST_CLOCK_TIME_IS_VALID (glob_wait_time)) {
GstClockTime cur = hls_test_get_position (test);
if (glob_first_wait == 0)
glob_first_wait = g_get_monotonic_time ();
if (cur < glob_wait_time) {
guint64 diff = g_get_monotonic_time () - glob_first_wait;
if (diff > glob_playback_time * G_USEC_PER_SEC + PLAY_TIMEOUT)
glob_play_in_time = FALSE;
else
return TRUE;
}
}
glob_first_wait = 0;
LOG ("Seeking at %i\n", seek_targets[glob_seek_nb].perc);
/* If duration did not become known yet, we cannot test */
if (!GST_CLOCK_TIME_IS_VALID (glob_duration)) {
insanity_test_validate_checklist_item (test, "duration-known", FALSE, NULL);
insanity_test_done (test);
return FALSE;
}
glob_target = gst_util_uint64_scale (glob_duration,
seek_targets[glob_seek_nb].perc, 100);
event = gst_event_new_seek (1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, glob_target, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
glob_validate_on_playing = "seek";
res = gst_element_send_event (glob_pipeline, event);
if (!res) {
glob_validate_on_playing = NULL;
insanity_test_validate_checklist_item (test, "seek", FALSE,
"Failed to send seek event");
return FALSE;
}
seek_targets[glob_seek_nb].seeked = TRUE;
gst_element_get_state (glob_pipeline, NULL, NULL, SEEK_TIMEOUT);
insanity_test_validate_checklist_item (test, "seek", TRUE, NULL);
return FALSE;
}
static void
send_event_in_thread(gpointer data, G_GNUC_UNUSED gpointer user_data)
{
ThreadData *thread_data = (ThreadData *)data;
SendEventData *send_event_data;
send_event_data = &(thread_data->data.send_event_data);
send_event_data->result = gst_element_send_event(thread_data->element,
send_event_data->event);
notify(thread_data);
}
static gboolean
on_timeout (gpointer data)
{
GstEvent *eos = gst_event_new_eos ();
if (!gst_element_send_event (GST_ELEMENT (data), eos)) {
GST_ERROR ("failed to send end of stream event");
gst_event_unref (eos);
}
return FALSE;
}
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;
}
static gboolean
update_sdl_scene (gpointer data)
{
GstElement *pipeline = (GstElement *) data;
SDL_Event event;
while (SDL_PollEvent (&event)) {
if (event.type == SDL_QUIT) {
gst_element_send_event (GST_ELEMENT (pipeline), gst_event_new_eos ());
return FALSE;
}
if (event.type == SDL_KEYDOWN) {
if (event.key.keysym.sym == SDLK_ESCAPE) {
gst_element_send_event (GST_ELEMENT (pipeline), gst_event_new_eos ());
return FALSE;
}
}
}
return TRUE;
}
static void
kms_recorder_end_point_send_force_key_unit_event (GstElement * valve)
{
GstStructure *s;
GstEvent *force_key_unit_event;
GST_DEBUG ("Sending key ");
s = gst_structure_new ("GstForceKeyUnit",
"all-headers", G_TYPE_BOOLEAN, TRUE, NULL);
force_key_unit_event = gst_event_new_custom (GST_EVENT_CUSTOM_UPSTREAM, s);
gst_element_send_event (valve, force_key_unit_event);
}
void MediaPlayer::seekTo(qint64 pos)
{
// Seek with m_tempoRate is also used to change the tempo (that's actually the only way in GStreamer)
GstEvent * seek_event = gst_event_new_seek( m_tempoRate,
GST_FORMAT_TIME,
(GstSeekFlags)(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE),
GST_SEEK_TYPE_SET,
pos * GST_MSECOND,
GST_SEEK_TYPE_NONE,
0 );
gst_element_send_event( m_gst_pipeline, seek_event );
}
static void
pipeline_seek (APP_STATE_T * state, gint64 position)
{
if (state->pipeline) {
GstEvent *event;
event = gst_event_new_seek (1.0,
GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT,
GST_SEEK_TYPE_SET, position, GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);
if (!gst_element_send_event (state->vsink, event)) {
g_print ("seek failed\n");
}
}
}
/*
* PsychGSSetMovieTimeIndex() -- Set current playback time of movie, perform active seek if needed.
*/
double PsychGSSetMovieTimeIndex(int moviehandle, double timeindex, psych_bool indexIsFrames)
{
GstElement *theMovie;
double oldtime;
long targetIndex;
GstEvent *event;
if (moviehandle < 0 || moviehandle >= PSYCH_MAX_MOVIES) {
PsychErrorExitMsg(PsychError_user, "Invalid moviehandle provided!");
}
// Fetch references to objects we need:
theMovie = movieRecordBANK[moviehandle].theMovie;
if (theMovie == NULL) {
PsychErrorExitMsg(PsychError_user, "Invalid moviehandle provided. No movie associated with this handle !!!");
}
// Retrieve current timeindex:
oldtime = PsychGSGetMovieTimeIndex(moviehandle);
// TODO NOTE: We could use GST_SEEK_FLAG_SKIP to allow framedropping on fast forward/reverse playback...
// Index based or target time based seeking?
if (indexIsFrames) {
// Index based seeking:
// TODO FIXME: This doesn't work (well) at all! Something's wrong here...
// Seek to given targetIndex:
targetIndex = (long) (timeindex + 0.5);
// Simple seek, frame buffer (index) oriented, with pipeline flush and accurate seek,
// i.e., not locked to keyframes, but frame-accurate: GST_FORMAT_DEFAULT?
// gst_element_seek_simple(theMovie, GST_FORMAT_BUFFERS, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, targetIndex);
event = gst_event_new_seek(1.0, GST_FORMAT_BUFFERS, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE,
GST_SEEK_TYPE_SET, targetIndex, GST_SEEK_TYPE_END, 0);
gst_element_send_event(theMovie, event);
}
else {
// Time based seeking:
// Set new timeindex as time in seconds:
// Simple seek, time-oriented, with pipeline flush and accurate seek,
// i.e., not locked to keyframes, but frame-accurate:
gst_element_seek_simple(theMovie, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE, (gint64) (timeindex * (double) 1e9));
}
// Block until seek completed, failed or timeout of 30 seconds reached:
gst_element_get_state(theMovie, NULL, NULL, (GstClockTime) (30 * 1e9));
// Return old time value of previous position:
return(oldtime);
}
void ofxGstRTPServer::emitDepthKeyFrame(){
GstClock * clock = gst_pipeline_get_clock(GST_PIPELINE(gst.getPipeline()));
gst_object_ref(clock);
GstClockTime time = gst_clock_get_time (clock);
GstClockTime now = time - gst_element_get_base_time(gst.getPipeline());
gst_object_unref (clock);
GstEvent * keyFrameEvent = gst_video_event_new_downstream_force_key_unit(now,
time,
now,
TRUE,
0);
gst_element_send_event(appSrcDepth,keyFrameEvent);
}
static gboolean close_pipeline(gpointer data)
{
GMainLoop *loop = (GMainLoop *) data;
GstMessage *msg;
gst_element_send_event(pipeline, gst_event_new_eos());
msg = gst_bus_timed_pop_filtered(GST_ELEMENT_BUS(pipeline), GST_CLOCK_TIME_NONE, GST_MESSAGE_EOS | GST_MESSAGE_ERROR);
gst_message_unref(msg);
g_main_loop_quit(loop);
return FALSE;
}
static void
recorder_close_pipeline (ShellRecorder *recorder)
{
if (recorder->current_pipeline != NULL)
{
/* This will send an EOS (end-of-stream) message after the last frame
* is written. The bus watch for the pipeline will get it and do
* final cleanup
*/
gst_element_send_event (recorder->current_pipeline->pipeline,
gst_event_new_eos());
recorder->current_pipeline = NULL;
}
}
static void
do_step (GstElement * bin)
{
gdouble rate;
rate = sin (period);
period += M_PI / 150;
rate += 1.2;
gst_element_send_event (bin,
gst_event_new_step (GST_FORMAT_TIME, 40 * GST_MSECOND, rate, FALSE,
FALSE));
}
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);
}
static gboolean
gst_uri_downloader_set_range (GstUriDownloader * downloader,
gint64 range_start, gint64 range_end)
{
g_return_val_if_fail (range_start >= 0, FALSE);
g_return_val_if_fail (range_end >= -1, FALSE);
if (range_start || (range_end >= 0)) {
GstEvent *seek;
seek = gst_event_new_seek (1.0, GST_FORMAT_BYTES, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, range_start, GST_SEEK_TYPE_SET, range_end);
return gst_element_send_event (downloader->priv->urisrc, seek);
}
return TRUE;
}
static gboolean
do_step (GstElement * bin)
{
gdouble length;
length = sin (period);
period += G_PI / 40;
length += 1.1;
length *= 100 * GST_MSECOND;
gst_element_send_event (bin,
gst_event_new_step (GST_FORMAT_TIME, length, 1.0, TRUE, FALSE));
return FALSE;
}