void TransitionHandler::deleteTransition(QString tag, int /*a_track*/, int b_track, GenTime in, GenTime out, QDomElement /*xml*/, bool /*do_refresh*/)
{
QScopedPointer<Mlt::Field> field(m_tractor->field());
field->lock();
mlt_service nextservice = mlt_service_get_producer(field->get_service());
mlt_properties properties = MLT_SERVICE_PROPERTIES(nextservice);
QString mlt_type = mlt_properties_get(properties, "mlt_type");
QString resource = mlt_properties_get(properties, "mlt_service");
const int old_pos = (int)((in + out).frames(m_fps) / 2);
////qDebug() << " del trans pos: " << in.frames(25) << '-' << out.frames(25);
while (mlt_type == QLatin1String("transition")) {
mlt_transition tr = (mlt_transition) nextservice;
int currentTrack = mlt_transition_get_b_track(tr);
int currentIn = (int) mlt_transition_get_in(tr);
int currentOut = (int) mlt_transition_get_out(tr);
////qDebug() << "// FOUND EXISTING TRANS, IN: " << currentIn << ", OUT: " << currentOut << ", TRACK: " << currentTrack;
if (resource == tag && b_track == currentTrack && currentIn <= old_pos && currentOut >= old_pos) {
mlt_field_disconnect_service(field->get_field(), nextservice);
break;
}
nextservice = mlt_service_producer(nextservice);
if (nextservice == NULL) break;
properties = MLT_SERVICE_PROPERTIES(nextservice);
mlt_type = mlt_properties_get(properties, "mlt_type");
resource = mlt_properties_get(properties, "mlt_service");
}
field->unlock();
//askForRefresh();
//if (m_isBlocked == 0) m_mltConsumer->set("refresh", 1);
}
double mlt_transition_get_progress_delta( mlt_transition self, mlt_frame frame )
{
double progress = 0;
mlt_position in = mlt_transition_get_in( self );
mlt_position out = mlt_transition_get_out( self );
if ( out == 0 )
{
// If always active, use the frame's producer
mlt_producer producer = mlt_frame_get_original_producer( frame );
if ( producer )
{
in = mlt_producer_get_in( producer );
out = mlt_producer_get_out( producer );
}
}
if ( out != 0 )
{
mlt_position position = mlt_frame_get_position( frame );
double length = out - in + 1;
double x = ( double ) ( position - in ) / length;
double y = ( double ) ( position + 1 - in ) / length;
progress = ( y - x ) / 2.0;
}
return progress;
}
static int transition_get_image( mlt_frame a_frame, uint8_t **image, mlt_image_format *format, int *width, int *height, int writable ){
if (*format!=mlt_image_yuv422 ){
return -1;
}
mlt_frame b_frame = mlt_frame_pop_frame( a_frame );
mlt_transition transition = mlt_frame_pop_service( a_frame );
mlt_properties properties = MLT_TRANSITION_PROPERTIES( transition );
mlt_properties a_props = MLT_FRAME_PROPERTIES( a_frame );
mlt_properties b_props = MLT_FRAME_PROPERTIES( b_frame );
int invert = mlt_properties_get_int( properties, "invert" );
if ( mlt_properties_get( a_props, "rescale.interp" ) == NULL || !strcmp( mlt_properties_get( a_props, "rescale.interp" ), "none" ) )
mlt_properties_set( a_props, "rescale.interp", "nearest" );
// set consumer_aspect_ratio for a and b frame
if ( mlt_properties_get_double( a_props, "aspect_ratio" ) == 0.0 )
mlt_properties_set_double( a_props, "aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) );
if ( mlt_properties_get_double( b_props, "aspect_ratio" ) == 0.0 )
mlt_properties_set_double( b_props, "aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) );
mlt_properties_set_double( b_props, "consumer_aspect_ratio", mlt_properties_get_double( a_props, "consumer_aspect_ratio" ) );
if ( mlt_properties_get( b_props, "rescale.interp" ) == NULL || !strcmp( mlt_properties_get( b_props, "rescale.interp" ), "none" ) )
mlt_properties_set( b_props, "rescale.interp", "nearest" );
uint8_t *images[]={NULL,NULL,NULL};
mlt_frame_get_image( a_frame, &images[0], format, width, height, 1 );
mlt_frame_get_image( b_frame, &images[1], format, width, height, 1 );
mlt_position in = mlt_transition_get_in( transition );
mlt_position out = mlt_transition_get_out( transition );
// Get the position of the frame
char *name = mlt_properties_get( MLT_TRANSITION_PROPERTIES( transition ), "_unique_id" );
mlt_position position = mlt_properties_get_position( MLT_FRAME_PROPERTIES( a_frame ), name );
float pos=( float )( position - in ) / ( float )( out - in + 1 );
process_frei0r_item( transition_type , pos , properties, !invert ? a_frame : b_frame , images , format, width,height, writable );
*width = mlt_properties_get_int( !invert ? a_props : b_props, "width" );
*height = mlt_properties_get_int( !invert ? a_props : b_props, "height" );
*image = mlt_properties_get_data( !invert ? a_props : b_props , "image", NULL );
return 0;
}
double mlt_transition_get_progress( mlt_transition self, mlt_frame frame )
{
double progress = 0;
mlt_position in = mlt_transition_get_in( self );
mlt_position out = mlt_transition_get_out( self );
if ( out == 0 )
{
// If always active, use the frame's producer
mlt_producer producer = mlt_frame_get_original_producer( frame );
if ( producer )
{
in = mlt_producer_get_in( producer );
out = mlt_producer_get_out( producer );
}
}
if ( out != 0 )
{
mlt_position position = mlt_frame_get_position( frame );
progress = ( double ) ( position - in ) / ( double ) ( out - in + 1 );
}
return progress;
}
#include <framework/mlt.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <math.h>
/** Calculate the position for this frame.
*/
static float position_calculate( mlt_transition this, mlt_frame frame )
{
// Get the in and out position
mlt_position in = mlt_transition_get_in( this );
mlt_position out = mlt_transition_get_out( this );
// Get the position of the frame
char *name = mlt_properties_get( MLT_TRANSITION_PROPERTIES( this ), "_unique_id" );
mlt_position position = mlt_properties_get_position( MLT_FRAME_PROPERTIES( frame ), name );
// Now do the calcs
return ( float )( position - in ) / ( float )( out - in + 1 );
}
/** Calculate the field delta for this frame - position between two frames.
*/
static float delta_calculate( mlt_transition this, mlt_frame frame )
{
void TransitionHandler::updateTransitionParams(QString type, int a_track, int b_track, GenTime in, GenTime out, QDomElement xml)
{
QScopedPointer<Mlt::Field> field(m_tractor->field());
field->lock();
mlt_service nextservice = mlt_service_get_producer(field->get_service());
mlt_properties properties = MLT_SERVICE_PROPERTIES(nextservice);
QString mlt_type = mlt_properties_get(properties, "mlt_type");
QString resource = mlt_properties_get(properties, "mlt_service");
int in_pos = (int) in.frames(m_fps);
int out_pos = (int) out.frames(m_fps) - 1;
while (mlt_type == QLatin1String("transition")) {
mlt_transition tr = (mlt_transition) nextservice;
int currentTrack = mlt_transition_get_b_track(tr);
int currentBTrack = mlt_transition_get_a_track(tr);
int currentIn = (int) mlt_transition_get_in(tr);
int currentOut = (int) mlt_transition_get_out(tr);
// //qDebug()<<"Looking for transition : " << currentIn <<'x'<<currentOut<< ", OLD oNE: "<<in_pos<<'x'<<out_pos;
if (resource == type && b_track == currentTrack && currentIn == in_pos && currentOut == out_pos) {
QMap<QString, QString> map = getTransitionParamsFromXml(xml);
QMap<QString, QString>::Iterator it;
QString key;
mlt_properties transproperties = MLT_TRANSITION_PROPERTIES(tr);
QString currentId = mlt_properties_get(transproperties, "kdenlive_id");
if (currentId != xml.attribute(QStringLiteral("id"))) {
// The transition ID is not the same, so reset all properties
mlt_properties_set(transproperties, "kdenlive_id", xml.attribute(QStringLiteral("id")).toUtf8().constData());
// Cleanup previous properties
QStringList permanentProps;
permanentProps << QStringLiteral("factory") << QStringLiteral("kdenlive_id") << QStringLiteral("mlt_service") << QStringLiteral("mlt_type") << QStringLiteral("in");
permanentProps << QStringLiteral("out") << QStringLiteral("a_track") << QStringLiteral("b_track");
for (int i = 0; i < mlt_properties_count(transproperties); ++i) {
QString propName = mlt_properties_get_name(transproperties, i);
if (!propName.startsWith('_') && ! permanentProps.contains(propName)) {
mlt_properties_set(transproperties, propName.toUtf8().constData(), "");
}
}
}
mlt_properties_set_int(transproperties, "force_track", xml.attribute(QStringLiteral("force_track")).toInt());
mlt_properties_set_int(transproperties, "automatic", xml.attribute(QStringLiteral("automatic"), QStringLiteral("0")).toInt());
if (currentBTrack != a_track) {
mlt_properties_set_int(transproperties, "a_track", a_track);
}
for (it = map.begin(); it != map.end(); ++it) {
key = it.key();
mlt_properties_set(transproperties, key.toUtf8().constData(), it.value().toUtf8().constData());
////qDebug() << " ------ UPDATING TRANS PARAM: " << key.toUtf8().constData() << ": " << it.value().toUtf8().constData();
//filter->set("kdenlive_id", id);
}
break;
}
nextservice = mlt_service_producer(nextservice);
if (nextservice == NULL) break;
properties = MLT_SERVICE_PROPERTIES(nextservice);
mlt_type = mlt_properties_get(properties, "mlt_type");
resource = mlt_properties_get(properties, "mlt_service");
}
field->unlock();
//askForRefresh();
//if (m_isBlocked == 0) m_mltConsumer->set("refresh", 1);
}
mlt_position mlt_transition_get_position( mlt_transition self, mlt_frame frame )
{
mlt_position in = mlt_transition_get_in( self );
mlt_position position = mlt_frame_get_position( frame );
return position - in;
}
