Files
oak-editor/panels/timeline.cpp
T

1551 lines
52 KiB
C++

#include "timeline.h"
#include "ui_timeline.h"
#include "panels/panels.h"
#include "panels/project.h"
#include "panels/effectcontrols.h"
#include "ui/timelinewidget.h"
#include "project/sequence.h"
#include "project/clip.h"
#include "ui/viewerwidget.h"
#include "playback/audio.h"
#include "panels/viewer.h"
#include "playback/cacher.h"
#include "playback/playback.h"
#include "ui_viewer.h"
#include "project/undo.h"
#include "io/config.h"
#include "project/effect.h"
#include "project/transition.h"
#include "io/media.h"
#include "io/clipboard.h"
#include "debug.h"
#include <QTime>
#include <QScrollBar>
#include <QtMath>
#include <QGuiApplication>
#include <QScreen>
#include <QPainter>
#include <QMenu>
#include <QInputDialog>
#include <QMessageBox>
long refactor_frame_number(long framenumber, double source_frame_rate, double target_frame_rate) {
return qRound(((double)framenumber/source_frame_rate)*target_frame_rate);
}
void draw_selection_rectangle(QPainter& painter, const QRect& rect) {
painter.setPen(QColor(204, 204, 204));
painter.setBrush(QColor(0, 0, 0, 32));
painter.drawRect(rect);
}
Timeline::Timeline(QWidget *parent) :
QDockWidget(parent),
cursor_frame(0),
cursor_track(0),
zoom(1.0),
zoom_just_changed(false),
showing_all(false),
snapping(true),
snapped(false),
snap_point(0),
selecting(false),
rect_select_init(false),
rect_select_proc(false),
moving_init(false),
moving_proc(false),
move_insert(false),
trim_target(-1),
trim_in_point(false),
splitting(false),
importing(false),
importing_files(false),
creating(false),
transition_tool_init(false),
transition_tool_proc(false),
transition_tool_pre_clip(-1),
transition_tool_post_clip(-1),
ui(new Ui::Timeline),
last_frame(0),
scroll(0)
{
default_track_height = (QGuiApplication::primaryScreen()->logicalDotsPerInch() / 96) * TRACK_DEFAULT_HEIGHT;
ui->setupUi(this);
ui->headers->viewer = panel_sequence_viewer;
/* --- TEMPORARY ---
* I feel like the rolling edit tool is unnecessary, but just
* in case I change my mind, I'm leaving all the functionality
* intact and only hiding the UI to get to it. Still deciding
* on this one but the pointer tool literally does the same
* functionality.
*/
ui->toolRollingButton->setVisible(false);
ui->toolRollingButton->setEnabled(false);
/* --- */
ui->video_area->bottom_align = true;
ui->video_area->scrollBar = ui->videoScrollbar;
ui->audio_area->scrollBar = ui->audioScrollbar;
tool_buttons.append(ui->toolArrowButton);
tool_buttons.append(ui->toolEditButton);
tool_buttons.append(ui->toolRippleButton);
tool_buttons.append(ui->toolRazorButton);
tool_buttons.append(ui->toolSlipButton);
tool_buttons.append(ui->toolRollingButton);
tool_buttons.append(ui->toolSlideButton);
tool_buttons.append(ui->toolTransitionButton);
ui->toolArrowButton->click();
connect(ui->horizontalScrollBar, SIGNAL(valueChanged(int)), this, SLOT(setScroll(int)));
connect(ui->videoScrollbar, SIGNAL(valueChanged(int)), ui->video_area, SLOT(setScroll(int)));
connect(ui->audioScrollbar, SIGNAL(valueChanged(int)), ui->audio_area, SLOT(setScroll(int)));
update_sequence();
}
Timeline::~Timeline()
{
delete ui;
}
void Timeline::previous_cut() {
if (sequence->playhead > 0) {
long p_cut = 0;
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL) {
if (c->timeline_out > p_cut && c->timeline_out < sequence->playhead) {
p_cut = c->timeline_out;
} else if (c->timeline_in > p_cut && c->timeline_in < sequence->playhead) {
p_cut = c->timeline_in;
}
}
}
panel_sequence_viewer->seek(p_cut);
}
}
void Timeline::next_cut() {
bool seek_enabled = false;
long n_cut = LONG_MAX;
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL) {
if (c->timeline_in < n_cut && c->timeline_in > sequence->playhead) {
n_cut = c->timeline_in;
seek_enabled = true;
} else if (c->timeline_out < n_cut && c->timeline_out > sequence->playhead) {
n_cut = c->timeline_out;
seek_enabled = true;
}
}
}
if (seek_enabled) panel_sequence_viewer->seek(n_cut);
}
void Timeline::toggle_show_all() {
showing_all = !showing_all;
if (showing_all) {
old_zoom = zoom;
set_zoom_value((double) (ui->timeline_area->width() - 200) / (double) sequence->getEndFrame());
} else {
set_zoom_value(old_zoom);
}
}
void Timeline::create_ghosts_from_media(Sequence* seq, long entry_point, QVector<void*>& media_list, QVector<int>& type_list) {
video_ghosts = false;
audio_ghosts = false;
for (int i=0;i<media_list.size();i++) {
bool can_import = true;
Media* m = NULL;
Sequence* s = NULL;
void* media = NULL;
long sequence_length;
long default_clip_in = 0;
long default_clip_out = 0;
switch (type_list.at(i)) {
case MEDIA_TYPE_FOOTAGE:
m = static_cast<Media*>(media_list.at(i));
media = m;
can_import = m->ready;
if (m->using_inout) {
double source_fr = 30;
if (m->video_tracks.size() > 0 && !qIsNull(m->video_tracks.at(0)->video_frame_rate)) source_fr = m->video_tracks.at(0)->video_frame_rate;
default_clip_in = refactor_frame_number(m->in, source_fr, seq->frame_rate);
default_clip_out = refactor_frame_number(m->out, source_fr, seq->frame_rate);
}
break;
case MEDIA_TYPE_SEQUENCE:
s = static_cast<Sequence*>(media_list.at(i));
sequence_length = s->getEndFrame();
if (seq != NULL) sequence_length = refactor_frame_number(sequence_length, s->frame_rate, seq->frame_rate);
media = s;
can_import = (s != seq && sequence_length != 0);
if (s->using_workarea) {
default_clip_in = refactor_frame_number(s->workarea_in, s->frame_rate, seq->frame_rate);
default_clip_out = refactor_frame_number(s->workarea_out, s->frame_rate, seq->frame_rate);
}
break;
default:
can_import = false;
}
if (can_import) {
Ghost g;
g.clip = -1;
g.media_type = type_list.at(i);
g.trimming = false;
g.old_clip_in = g.clip_in = default_clip_in;
g.media = media;
g.in = entry_point;
g.transition = NULL;
switch (type_list.at(i)) {
case MEDIA_TYPE_FOOTAGE:
// is video source a still image?
if (m->video_tracks.size() > 0 && m->video_tracks[0]->infinite_length && m->audio_tracks.size() == 0) {
g.out = g.in + 100;
} else {
long length = m->get_length_in_frames(seq->frame_rate);
g.out = entry_point + length - default_clip_in;
if (m->using_inout) {
g.out -= (length - default_clip_out);
}
}
for (int j=0;j<m->audio_tracks.size();j++) {
g.track = j;
g.media_stream = m->audio_tracks.at(j)->file_index;
ghosts.append(g);
audio_ghosts = true;
}
for (int j=0;j<m->video_tracks.size();j++) {
g.track = -1-j;
g.media_stream = m->video_tracks.at(j)->file_index;
ghosts.append(g);
video_ghosts = true;
}
break;
case MEDIA_TYPE_SEQUENCE:
g.out = entry_point + sequence_length - default_clip_in;
if (s->using_workarea) {
g.out -= (sequence_length - default_clip_out);
}
g.track = -1;
ghosts.append(g);
g.track = 0;
ghosts.append(g);
video_ghosts = true;
audio_ghosts = true;
break;
}
entry_point = g.out;
}
}
for (int i=0;i<ghosts.size();i++) {
Ghost& g = ghosts[i];
g.old_in = g.in;
g.old_out = g.out;
g.old_track = g.track;
}
}
void Timeline::add_clips_from_ghosts(ComboAction* ca, Sequence* s) {
// add clips
long earliest_point = LONG_MAX;
QVector<Clip*> added_clips;
for (int i=0;i<ghosts.size();i++) {
const Ghost& g = ghosts.at(i);
earliest_point = qMin(earliest_point, g.in);
Clip* c = new Clip(s);
c->media = g.media;
c->media_type = g.media_type;
c->media_stream = g.media_stream;
c->timeline_in = g.in;
c->timeline_out = g.out;
c->clip_in = g.clip_in;
c->track = g.track;
if (c->media_type == MEDIA_TYPE_FOOTAGE) {
Media* m = static_cast<Media*>(c->media);
if (m->video_tracks.size() == 0) {
// audio only (greenish)
c->color_r = 128;
c->color_g = 192;
c->color_b = 128;
} else if (m->audio_tracks.size() == 0) {
// video only (orangeish)
c->color_r = 192;
c->color_g = 160;
c->color_b = 128;
} else {
// video and audio (blueish)
c->color_r = 128;
c->color_g = 128;
c->color_b = 192;
}
c->name = m->name;
} else if (c->media_type == MEDIA_TYPE_SEQUENCE) {
// sequence (red?ish?)
c->color_r = 192;
c->color_g = 128;
c->color_b = 128;
Sequence* media = static_cast<Sequence*>(c->media);
c->name = media->name;
}
c->recalculateMaxLength();
added_clips.append(c);
}
ca->append(new AddClipCommand(s, added_clips));
// link clips from the same media
for (int i=0;i<added_clips.size();i++) {
Clip* c = added_clips.at(i);
for (int j=0;j<added_clips.size();j++) {
Clip* cc = added_clips.at(j);
if (c != cc && c->media == cc->media) {
c->linked.append(j);
}
}
if (c->track < 0) {
// add default video effects
c->effects.append(create_effect(c, get_internal_meta(EFFECT_INTERNAL_TRANSFORM, EFFECT_TYPE_EFFECT)));
} else {
// add default audio effects
c->effects.append(create_effect(c, get_internal_meta(EFFECT_INTERNAL_VOLUME, EFFECT_TYPE_EFFECT)));
c->effects.append(create_effect(c, get_internal_meta(EFFECT_INTERNAL_PAN, EFFECT_TYPE_EFFECT)));
}
}
if (config.enable_seek_to_import) {
panel_sequence_viewer->seek(earliest_point);
}
panel_timeline->ghosts.clear();
panel_timeline->importing = false;
panel_timeline->snapped = false;
}
int Timeline::get_track_height_size(bool video) {
if (video) {
return video_track_heights.size();
} else {
return audio_track_heights.size();
}
}
void Timeline::add_transition() {
ComboAction* ca = new ComboAction();
bool adding = false;
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL && is_clip_selected(c, true)) {
if (c->get_opening_transition() == NULL) {
ca->append(new AddTransitionCommand(c, NULL, NULL, get_internal_meta(TRANSITION_INTERNAL_LINEARFADE, EFFECT_TYPE_TRANSITION), TA_OPENING_TRANSITION, 30));
adding = true;
}
if (c->get_closing_transition() == NULL) {
ca->append(new AddTransitionCommand(c, NULL, NULL, get_internal_meta(TRANSITION_INTERNAL_LINEARFADE, EFFECT_TYPE_TRANSITION), TA_OPENING_TRANSITION, 30));
adding = true;
}
}
}
if (adding) {
undo_stack.push(ca);
} else {
delete ca;
}
update_ui(true);
}
int Timeline::calculate_track_height(int track, int value) {
int index = (track < 0) ? qAbs(track + 1) : track;
QVector<int>& vector = (track < 0) ? video_track_heights : audio_track_heights;
while (vector.size() < index+1) {
vector.append(default_track_height);
}
if (value > -1) {
vector[index] = value;
}
return vector.at(index);
}
void Timeline::update_sequence() {
bool null_sequence = (sequence == NULL);
for (int i=0;i<tool_buttons.count();i++) {
tool_buttons[i]->setEnabled(!null_sequence);
}
ui->snappingButton->setEnabled(!null_sequence);
ui->pushButton_4->setEnabled(!null_sequence);
ui->pushButton_5->setEnabled(!null_sequence);
ui->recordButton->setEnabled(!null_sequence);
ui->addButton->setEnabled(!null_sequence);
ui->headers->setEnabled(!null_sequence);
if (null_sequence) {
setWindowTitle("Timeline: <none>");
} else {
setWindowTitle("Timeline: " + sequence->name);
update_ui(false);
}
}
int Timeline::get_snap_range() {
return getFrameFromScreenPoint(zoom, 10);
}
bool Timeline::focused() {
return (sequence != NULL && (ui->headers->hasFocus() || ui->video_area->hasFocus() || ui->audio_area->hasFocus()));
}
bool Timeline::center_scroll_to_playhead() {
// returns true is the scroll was changed, false if not
int target_scroll = qMin(ui->horizontalScrollBar->maximum(), qMax(0, getScreenPointFromFrame(zoom, sequence->playhead)-(ui->editAreas->width()>>1)));
if (target_scroll == ui->horizontalScrollBar->value()) {
return false;
}
ui->horizontalScrollBar->setValue(target_scroll);
return true;
}
void Timeline::repaint_timeline() {
bool draw = true;
if (sequence != NULL
&& !ui->horizontalScrollBar->isSliderDown()
&& panel_sequence_viewer->playing
&& !zoom_just_changed) {
// auto scroll
if (config.autoscroll == AUTOSCROLL_PAGE_SCROLL) {
int playhead_x = panel_timeline->getTimelineScreenPointFromFrame(sequence->playhead);
if (playhead_x < 0 || playhead_x > (ui->editAreas->width() - ui->videoScrollbar->width())) {
ui->horizontalScrollBar->setValue(getScreenPointFromFrame(zoom, sequence->playhead));
draw = false;
}
} else if (config.autoscroll == AUTOSCROLL_SMOOTH_SCROLL) {
if (center_scroll_to_playhead()) {
draw = false;
}
}
}
zoom_just_changed = false;
if (draw) {
ui->headers->update();
ui->video_area->update();
ui->audio_area->update();
if (sequence != NULL) {
long sequenceEndFrame = sequence->getEndFrame();
ui->horizontalScrollBar->setMaximum(qMax(0, getScreenPointFromFrame(zoom, sequenceEndFrame) - (ui->editAreas->width()/2)));
if (last_frame != sequence->playhead) {
ui->audio_monitor->update();
last_frame = sequence->playhead;
}
}
}
}
void Timeline::select_all() {
if (sequence != NULL) {
sequence->selections.clear();
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL) {
Selection s;
s.in = c->timeline_in;
s.out = c->timeline_out;
s.track = c->track;
sequence->selections.append(s);
}
}
repaint_timeline();
}
}
void Timeline::delete_in_out(bool ripple) {
if (sequence != NULL && sequence->using_workarea) {
QVector<Selection> areas;
int video_tracks = 0, audio_tracks = 0;
sequence->getTrackLimits(&video_tracks, &audio_tracks);
for (int i=video_tracks;i<=audio_tracks;i++) {
Selection s;
s.in = sequence->workarea_in;
s.out = sequence->workarea_out;
s.track = i;
areas.append(s);
}
ComboAction* ca = new ComboAction();
delete_areas_and_relink(ca, areas);
if (ripple) ca->append(new RippleCommand(sequence, sequence->workarea_in, sequence->workarea_in - sequence->workarea_out));
ca->append(new SetTimelineInOutCommand(sequence, false, 0, 0));
undo_stack.push(ca);
update_ui(true);
}
}
void Timeline::delete_selection(QVector<Selection>& selections, bool ripple_delete) {
if (selections.size() > 0) {
panel_effect_controls->clear_effects(true);
ComboAction* ca = new ComboAction();
delete_areas_and_relink(ca, selections);
if (ripple_delete) {
long ripple_point = selections.at(0).in;
long ripple_length = selections.at(0).out - selections.at(0).in;
// retrieve ripple_point and ripple_length from current selection
for (int i=1;i<selections.size();i++) {
const Selection& s = selections.at(i);
ripple_point = qMin(ripple_point, s.in);
ripple_length = qMin(ripple_length, s.out - s.in);
}
// it feels a little more intuitive with this here
ripple_point++;
bool can_ripple = true;
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL && c->timeline_in < ripple_point && c->timeline_out > ripple_point) {
// conflict detected, but this clip may be getting deleted so let's check
bool deleted = false;
for (int j=0;j<selections.size();j++) {
const Selection& s = selections.at(j);
if (s.track == c->track
&& !(c->timeline_in < s.in && c->timeline_out < s.in)
&& !(c->timeline_in > s.out && c->timeline_out > s.out)) {
deleted = true;
break;
}
}
if (!deleted) {
for (int j=0;j<sequence->clips.size();j++) {
Clip* cc = sequence->clips.at(j);
if (cc != NULL
&& cc->track == c->track
&& cc->timeline_in > c->timeline_out
&& cc->timeline_in < c->timeline_out + ripple_length) {
ripple_length = cc->timeline_in - c->timeline_out;
}
}
}
}
}
if (can_ripple) {
ca->append(new RippleCommand(sequence, ripple_point, -ripple_length));
panel_sequence_viewer->seek(ripple_point-1);
}
}
selections.clear();
undo_stack.push(ca);
update_ui(true);
}
}
void Timeline::set_zoom_value(double v) {
zoom = v;
zoom_just_changed = true;
ui->headers->update_zoom(zoom);
repaint_timeline();
// TODO find a way to gradually move towards target_scroll instead of just centering it?
center_scroll_to_playhead();
}
void Timeline::set_zoom(bool in) {
showing_all = false;
set_zoom_value(zoom * ((in) ? 2 : 0.5));
}
void Timeline::decheck_tool_buttons(QObject* sender) {
for (int i=0;i<tool_buttons.count();i++) {
tool_buttons[i]->setChecked(tool_buttons.at(i) == sender);
}
}
QVector<int> Timeline::get_tracks_of_linked_clips(int i) {
QVector<int> tracks;
Clip* clip = sequence->clips.at(i);
for (int j=0;j<clip->linked.size();j++) {
tracks.append(sequence->clips.at(clip->linked.at(j))->track);
}
return tracks;
}
void Timeline::on_pushButton_4_clicked()
{
set_zoom(true);
}
void Timeline::on_pushButton_5_clicked()
{
set_zoom(false);
}
bool Timeline::is_clip_selected(Clip* clip, bool containing) {
for (int i=0;i<clip->sequence->selections.size();i++) {
const Selection& s = clip->sequence->selections.at(i);
if (clip->track == s.track && ((clip->timeline_in >= s.in && clip->timeline_out <= s.out && containing) ||
(!containing && !(clip->timeline_in < s.in && clip->timeline_out < s.in) && !(clip->timeline_in > s.in && clip->timeline_out > s.in)))) {
return true;
}
}
return false;
}
void Timeline::on_snappingButton_toggled(bool checked) {
snapping = checked;
}
Clip* Timeline::split_clip(ComboAction* ca, int p, long frame) {
return split_clip(ca, p, frame, frame);
}
Clip* Timeline::split_clip(ComboAction* ca, int p, long frame, long post_in) {
Clip* pre = sequence->clips.at(p);
if (pre != NULL && pre->timeline_in < frame && pre->timeline_out > frame) { // guard against attempts to split at in/out points
Clip* post = pre->copy(sequence);
long new_clip_length = frame - pre->timeline_in;
post->timeline_in = post_in;
post->clip_in = pre->clip_in + (post->timeline_in - pre->timeline_in);
move_clip(ca, pre, pre->timeline_in, frame, pre->clip_in, pre->track);
if (pre->get_opening_transition() != NULL) {
/*if (frame < pre->timeline_in + pre->get_opening_transition()->length && pre->get_opening_transition()->secondary_clip != NULL) {
// separate shared transition
ca->append(new SetPointer((void**) &pre->get_opening_transition()->secondary_clip, NULL));
pre->get_opening_transition()->secondary_clip->closing_transition = pre->get_opening_transition()->copy(pre->get_opening_transition()->secondary_clip, NULL);
}*/
if (pre->get_opening_transition()->get_true_length() > new_clip_length) {
ca->append(new ModifyTransitionCommand(pre, TA_OPENING_TRANSITION, new_clip_length));
}
post->sequence->hard_delete_transition(post, TA_OPENING_TRANSITION);
}
if (pre->get_closing_transition() != NULL) {
ca->append(new DeleteTransitionCommand(pre, TA_CLOSING_TRANSITION));
if (pre->get_closing_transition()->secondary_clip == NULL) post->get_closing_transition()->set_length(qMin((long) post->get_closing_transition()->get_true_length(), post->getLength()));
}
return post;
}
return NULL;
}
bool Timeline::has_clip_been_split(int c) {
for (int i=0;i<split_cache.size();i++) {
if (split_cache.at(i) == c) {
return true;
}
}
return false;
}
bool Timeline::split_clip_and_relink(ComboAction *ca, int clip, long frame, bool relink) {
// see if we split this clip before
if (has_clip_been_split(clip)) {
return false;
}
split_cache.append(clip);
Clip* c = sequence->clips.at(clip);
if (c != NULL) {
QVector<int> pre_clips;
QVector<Clip*> post_clips;
Clip* post = split_clip(ca, clip, frame);
// if alt is not down, split clips links too
if (post == NULL) {
return false;
} else {
post_clips.append(post);
if (relink) {
pre_clips.append(clip);
bool original_clip_is_selected = is_clip_selected(c, true);
// find linked clips of old clip
for (int i=0;i<c->linked.size();i++) {
int l = c->linked.at(i);
if (!has_clip_been_split(l)) {
Clip* link = sequence->clips.at(l);
if ((original_clip_is_selected && is_clip_selected(link, true)) || !original_clip_is_selected) {
split_cache.append(l);
Clip* s = split_clip(ca, l, frame);
if (s != NULL) {
pre_clips.append(l);
post_clips.append(s);
}
}
}
}
relink_clips_using_ids(pre_clips, post_clips);
}
ca->append(new AddClipCommand(sequence, post_clips));
return true;
}
}
return false;
}
void Timeline::clean_up_selections(QVector<Selection>& areas) {
for (int i=0;i<areas.size();i++) {
Selection& s = areas[i];
for (int j=0;j<areas.size();j++) {
if (i != j) {
Selection& ss = areas[j];
if (s.track == ss.track) {
bool remove = false;
if (s.in < ss.in && s.out > ss.out) {
// do nothing
} else if (s.in >= ss.in && s.out <= ss.out) {
remove = true;
} else if (s.in <= ss.out && s.out > ss.out) {
ss.out = s.out;
remove = true;
} else if (s.out >= ss.in && s.in < ss.in) {
ss.in = s.in;
remove = true;
}
if (remove) {
areas.removeAt(i);
i--;
break;
}
}
}
}
}
}
bool selection_contains_transition(const Selection& s, Clip* c, int type) {
if (type == TA_OPENING_TRANSITION) {
return c->get_opening_transition() != NULL
&& s.out == c->timeline_in + c->get_opening_transition()->get_true_length()
&& ((c->get_opening_transition()->secondary_clip == NULL && s.in == c->timeline_in)
|| (c->get_opening_transition()->secondary_clip != NULL && s.in == c->timeline_in - c->get_opening_transition()->get_true_length()));
} else {
return c->get_closing_transition() != NULL
&& s.in == c->timeline_out - c->get_closing_transition()->get_true_length()
&& ((c->get_closing_transition()->secondary_clip == NULL && s.out == c->timeline_out)
|| (c->get_closing_transition()->secondary_clip != NULL && s.out == c->timeline_out + c->get_closing_transition()->get_true_length()));
}
}
void Timeline::delete_areas_and_relink(ComboAction* ca, QVector<Selection>& areas) {
clean_up_selections(areas);
QVector<int> pre_clips;
QVector<Clip*> post_clips;
for (int i=0;i<areas.size();i++) {
const Selection& s = areas.at(i);
for (int j=0;j<sequence->clips.size();j++) {
Clip* c = sequence->clips.at(j);
if (c != NULL && c->track == s.track && !c->undeletable) {
if (selection_contains_transition(s, c, TA_OPENING_TRANSITION)) {
// delete opening transition
ca->append(new DeleteTransitionCommand(c, TA_OPENING_TRANSITION));
} else if (selection_contains_transition(s, c, TA_CLOSING_TRANSITION)) {
// delete closing transition
ca->append(new DeleteTransitionCommand(c, TA_CLOSING_TRANSITION));
} else if (c->timeline_in >= s.in && c->timeline_out <= s.out) {
// clips falls entirely within deletion area
ca->append(new DeleteClipAction(sequence, j));
} else if (c->timeline_in < s.in && c->timeline_out > s.out) {
// middle of clip is within deletion area
// duplicate clip
Clip* post = split_clip(ca, j, s.in, s.out);
pre_clips.append(j);
post_clips.append(post);
} else if (c->timeline_in < s.in && c->timeline_out > s.in) {
// only out point is in deletion area
move_clip(ca, c, c->timeline_in, s.in, c->clip_in, c->track);
if (c->get_closing_transition() != NULL) {
if (s.in < c->timeline_out - c->get_closing_transition()->get_true_length()) {
ca->append(new DeleteTransitionCommand(c, TA_CLOSING_TRANSITION));
} else {
ca->append(new ModifyTransitionCommand(c, TA_CLOSING_TRANSITION, c->get_closing_transition()->get_true_length() - (c->timeline_out - s.in)));
}
}
} else if (c->timeline_in < s.out && c->timeline_out > s.out) {
// only in point is in deletion area
move_clip(ca, c, s.out, c->timeline_out, c->clip_in + (s.out - c->timeline_in), c->track);
if (c->get_opening_transition() != NULL) {
if (s.out > c->timeline_in + c->get_opening_transition()->get_true_length()) {
ca->append(new DeleteTransitionCommand(c, TA_OPENING_TRANSITION));
} else {
ca->append(new ModifyTransitionCommand(c, TA_OPENING_TRANSITION, c->get_opening_transition()->get_true_length() - (s.out - c->timeline_in)));
}
}
}
}
}
}
relink_clips_using_ids(pre_clips, post_clips);
ca->append(new AddClipCommand(sequence, post_clips));
}
void Timeline::copy(bool del) {
bool cleared = false;
bool copied = false;
long min_in = 0;
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL) {
for (int j=0;j<sequence->selections.size();j++) {
const Selection& s = sequence->selections.at(j);
if (s.track == c->track && !((c->timeline_in <= s.in && c->timeline_out <= s.in) || (c->timeline_in >= s.out && c->timeline_out >= s.out))) {
if (!cleared) {
clear_clipboard();
cleared = true;
clipboard_type = CLIPBOARD_TYPE_CLIP;
}
Clip* copied_clip = c->copy(NULL);
copied_clip->cached_fr = sequence->frame_rate;
// copy linked IDs (we correct these later in paste())
copied_clip->linked = c->linked;
if (copied_clip->timeline_in < s.in) {
copied_clip->clip_in += (s.in - copied_clip->timeline_in);
copied_clip->timeline_in = s.in;
}
if (copied_clip->timeline_out > s.out) {
copied_clip->timeline_out = s.out;
}
if (copied) {
min_in = qMin(min_in, s.in);
} else {
min_in = s.in;
copied = true;
}
copied_clip->load_id = i;
clipboard.append(copied_clip);
}
}
}
}
for (int i=0;i<clipboard.size();i++) {
// initialize all timeline_ins to 0 or offsets of
static_cast<Clip*>(clipboard.at(i))->timeline_in -= min_in;
static_cast<Clip*>(clipboard.at(i))->timeline_out -= min_in;
}
if (del && copied) {
delete_selection(sequence->selections, false);
}
}
void Timeline::relink_clips_using_ids(QVector<int>& old_clips, QVector<Clip*>& new_clips) {
// relink pasted clips
for (int i=0;i<old_clips.size();i++) {
// these indices should correspond
Clip* oc = sequence->clips.at(old_clips.at(i));
for (int j=0;j<oc->linked.size();j++) {
for (int k=0;k<old_clips.size();k++) { // find clip with that ID
if (oc->linked.at(j) == old_clips.at(k)) {
new_clips.at(i)->linked.append(k);
}
}
}
}
}
void Timeline::paste(bool insert) {
if (clipboard.size() > 0) {
if (clipboard_type == CLIPBOARD_TYPE_CLIP) {
ComboAction* ca = new ComboAction();
// create copies and delete areas that we'll be pasting to
QVector<Selection> delete_areas;
QVector<Clip*> pasted_clips;
long paste_start = LONG_MAX;
long paste_end = LONG_MIN;
for (int i=0;i<clipboard.size();i++) {
Clip* c = static_cast<Clip*>(clipboard.at(i));
// create copy of clip and offset by playhead
Clip* cc = c->copy(sequence);
// convert frame rates
cc->timeline_in = refactor_frame_number(cc->timeline_in, c->cached_fr, sequence->frame_rate);
cc->timeline_out = refactor_frame_number(cc->timeline_out, c->cached_fr, sequence->frame_rate);
cc->clip_in = refactor_frame_number(cc->clip_in, c->cached_fr, sequence->frame_rate);
cc->timeline_in += sequence->playhead;
cc->timeline_out += sequence->playhead;
cc->track = c->track;
paste_start = qMin(paste_start, cc->timeline_in);
paste_end = qMax(paste_end, cc->timeline_out);
pasted_clips.append(cc);
if (!insert) {
Selection s;
s.in = cc->timeline_in;
s.out = cc->timeline_out;
s.track = c->track;
delete_areas.append(s);
}
}
if (insert) {
split_cache.clear();
split_all_clips_at_point(ca, sequence->playhead);
ca->append(new RippleCommand(sequence, paste_start, paste_end - paste_start));
} else {
delete_areas_and_relink(ca, delete_areas);
}
// correct linked clips
for (int i=0;i<clipboard.size();i++) {
// these indices should correspond
Clip* oc = static_cast<Clip*>(clipboard.at(i));
for (int j=0;j<oc->linked.size();j++) {
for (int k=0;k<clipboard.size();k++) { // find clip with that ID
Clip* comp = static_cast<Clip*>(clipboard.at(k));
if (comp->load_id == oc->linked.at(j)) {
pasted_clips.at(i)->linked.append(k);
}
}
}
}
ca->append(new AddClipCommand(sequence, pasted_clips));
undo_stack.push(ca);
update_ui(true);
if (config.paste_seeks) {
panel_sequence_viewer->seek(paste_end);
}
} else if (clipboard_type == CLIPBOARD_TYPE_EFFECT) {
ComboAction* ca = new ComboAction();
bool push = false;
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL && is_clip_selected(c, true)) {
for (int j=0;j<clipboard.size();j++) {
Effect* e = static_cast<Effect*>(clipboard.at(j));
if ((c->track < 0) == (e->meta->subtype == EFFECT_TYPE_VIDEO)) {
ca->append(new AddEffectCommand(c, e->copy(c), NULL));
push = true;
}
}
}
}
if (push) {
ca->appendPost(new ReloadEffectsCommand());
undo_stack.push(ca);
} else {
delete ca;
}
update_ui(true);
}
}
}
void Timeline::ripple_to_in_point(bool in, bool ripple) {
if (sequence != NULL) {
// get track count
int track_min = 0;
int track_max = 0;
bool one_frame_mode = false;
// find closest in point to playhead
long in_point = in ? 0 : LONG_MAX;
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL) {
track_min = qMin(track_min, c->track);
track_max = qMax(track_max, c->track);
if ((in && c->timeline_in > in_point && c->timeline_in <= sequence->playhead)
|| (!in && c->timeline_in < in_point && c->timeline_in >= sequence->playhead)) {
in_point = c->timeline_in;
if (sequence->playhead == in_point) {
one_frame_mode = true;
break;
}
}
if ((in && c->timeline_out > in_point && c->timeline_out <= sequence->playhead)
|| (!in && c->timeline_out < in_point && c->timeline_out > sequence->playhead)) {
in_point = c->timeline_out;
if (sequence->playhead == in_point) {
one_frame_mode = true;
break;
}
}
}
}
QVector<Selection> areas;
ComboAction* ca = new ComboAction();
if (one_frame_mode) {
// set up deletion areas based on track count
if (in) {
in_point = sequence->playhead;
} else {
in_point = sequence->playhead - 1;
}
for (int i=track_min;i<=track_max;i++) {
Selection s;
s.in = in_point;
s.out = in_point + 1;
s.track = i;
areas.append(s);
}
// trim and move clips around the in point
delete_areas_and_relink(ca, areas);
if (ripple) ca->append(new RippleCommand(sequence, in_point, -1));
} else {
// set up deletion areas based on track count
for (int i=track_min;i<=track_max;i++) {
Selection s;
s.in = qMin(in_point, sequence->playhead);
s.out = qMax(in_point, sequence->playhead);
s.track = i;
areas.append(s);
}
// trim and move clips around the in point
delete_areas_and_relink(ca, areas);
if (ripple) ca->append(new RippleCommand(sequence, in_point, (in) ? (in_point - sequence->playhead) : (sequence->playhead - in_point)));
}
undo_stack.push(ca);
update_ui(true);
if (in_point < sequence->playhead && ripple) panel_sequence_viewer->seek(in_point);
}
}
bool Timeline::split_selection(ComboAction* ca) {
bool split = false;
// temporary relinking vectors
QVector<int> pre_splits;
QVector<Clip*> post_splits;
QVector<Clip*> secondary_post_splits;
// find clips within selection and split
for (int j=0;j<sequence->clips.size();j++) {
Clip* clip = sequence->clips.at(j);
if (clip != NULL) {
for (int i=0;i<sequence->selections.size();i++) {
const Selection& s = sequence->selections.at(i);
if (s.track == clip->track) {
if (clip->timeline_in < s.in && clip->timeline_out > s.out) {
Clip* split_A = clip->copy(sequence);
split_A->clip_in += (s.in - clip->timeline_in);
split_A->timeline_in = s.in;
split_A->timeline_out = s.out;
pre_splits.append(j);
post_splits.append(split_A);
Clip* split_B = clip->copy(sequence);
split_B->clip_in += (s.out - clip->timeline_in);
split_B->timeline_in = s.out;
secondary_post_splits.append(split_B);
if (clip->get_opening_transition() != NULL) {
split_B->sequence->hard_delete_transition(split_B, TA_OPENING_TRANSITION);
split_A->sequence->hard_delete_transition(split_A, TA_OPENING_TRANSITION);
}
if (clip->get_closing_transition() != NULL) {
ca->append(new DeleteTransitionCommand(clip, TA_CLOSING_TRANSITION));
split_A->sequence->hard_delete_transition(split_A, TA_CLOSING_TRANSITION);
}
move_clip(ca, clip, clip->timeline_in, s.in, clip->clip_in, clip->track);
split = true;
} else {
Clip* post_a = split_clip(ca, j, s.in);
Clip* post_b = split_clip(ca, j, s.out);
if (post_a != NULL) {
pre_splits.append(j);
post_splits.append(post_a);
split = true;
}
if (post_b != NULL) {
if (post_a != NULL) {
pre_splits.append(j);
post_splits.append(post_b);
} else {
secondary_post_splits.append(post_b);
}
split = true;
}
}
}
}
}
}
if (split) {
// relink after splitting
relink_clips_using_ids(pre_splits, post_splits);
relink_clips_using_ids(pre_splits, secondary_post_splits);
ca->append(new AddClipCommand(sequence, post_splits));
ca->append(new AddClipCommand(sequence, secondary_post_splits));
return true;
}
return false;
}
bool Timeline::split_all_clips_at_point(ComboAction* ca, long point) {
bool split = false;
for (int j=0;j<sequence->clips.size();j++) {
Clip* c = sequence->clips.at(j);
if (c != NULL) {
// always relinks
if (split_clip_and_relink(ca, j, point, true)) {
split = true;
}
}
}
return split;
}
void Timeline::split_at_playhead() {
ComboAction* ca = new ComboAction();
bool split_selected = false;
split_cache.clear();
if (sequence->selections.size() > 0) {
// see if whole clips are selected
QVector<int> pre_clips;
QVector<Clip*> post_clips;
for (int j=0;j<sequence->clips.size();j++) {
Clip* clip = sequence->clips.at(j);
if (clip != NULL && is_clip_selected(clip, true)) {
Clip* s = split_clip(ca, j, sequence->playhead);
if (s != NULL) {
pre_clips.append(j);
post_clips.append(s);
split_selected = true;
}
}
}
if (split_selected) {
// relink clips if we split
relink_clips_using_ids(pre_clips, post_clips);
ca->append(new AddClipCommand(sequence, post_clips));
} else {
// split a selection if not
split_selected = split_selection(ca);
}
}
// if nothing was selected or no selections fell within playhead, simply split at playhead
if (!split_selected) {
split_selected = split_all_clips_at_point(ca, sequence->playhead);
}
if (split_selected) {
undo_stack.push(ca);
update_ui(true);
} else {
delete ca;
}
}
void Timeline::deselect_area(long in, long out, int track) {
int len = sequence->selections.size();
for (int i=0;i<len;i++) {
Selection& s = sequence->selections[i];
if (s.track == track) {
if (s.in >= in && s.out <= out) {
// whole selection is in deselect area
sequence->selections.removeAt(i);
i--;
len--;
} else if (s.in < in && s.out > out) {
// middle of selection is in deselect area
Selection new_sel;
new_sel.in = out;
new_sel.out = s.out;
new_sel.track = s.track;
sequence->selections.append(new_sel);
s.out = in;
} else if (s.in < in && s.out > in) {
// only out point is in deselect area
s.out = in;
} else if (s.in < out && s.out > out) {
// only in point is in deselect area
s.in = out;
}
}
}
}
bool Timeline::snap_to_point(long point, long* l) {
int limit = get_snap_range();
if (*l > point-limit-1 && *l < point+limit+1) {
snap_point = point;
*l = point;
snapped = true;
return true;
}
return false;
}
bool Timeline::snap_to_timeline(long* l, bool use_playhead, bool use_markers, bool use_workarea) {
snapped = false;
if (snapping) {
if (use_playhead && !panel_sequence_viewer->playing) {
// snap to playhead
if (snap_to_point(sequence->playhead, l)) return true;
}
// snap to marker
if (use_markers) {
for (int i=0;i<sequence->markers.size();i++) {
if (snap_to_point(sequence->markers.at(i).frame, l)) return true;
}
}
// snap to in/out
if (use_workarea && sequence->using_workarea) {
if (snap_to_point(sequence->workarea_in, l)) return true;
if (snap_to_point(sequence->workarea_out, l)) return true;
}
// snap to clip/transition
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL) {
if (snap_to_point(c->timeline_in, l)) {
return true;
} else if (snap_to_point(c->timeline_out, l)) {
return true;
} else if (c->get_opening_transition() != NULL
&& snap_to_point(c->timeline_in + c->get_opening_transition()->get_true_length(), l)) {
return true;
} else if (c->get_closing_transition() != NULL
&& snap_to_point(c->timeline_out - c->get_closing_transition()->get_true_length(), l)) {
return true;
}
}
}
}
return false;
}
void Timeline::set_marker() {
QInputDialog d(this);
d.setWindowTitle("Set Marker");
d.setLabelText("Set marker name:");
d.setInputMode(QInputDialog::TextInput);
if (d.exec() == QDialog::Accepted) {
undo_stack.push(new AddMarkerAction(sequence, sequence->playhead, d.textValue()));
}
}
void Timeline::toggle_links() {
LinkCommand* command = new LinkCommand();
command->s = sequence;
for (int i=0;i<sequence->clips.size();i++) {
Clip* c = sequence->clips.at(i);
if (c != NULL && is_clip_selected(c, true)) {
command->clips.append(i);
if (c->linked.size() > 0) {
command->link = false; // prioritize unlinking
for (int j=0;j<c->linked.size();j++) { // add links to the command
if (!command->clips.contains(c->linked.at(j))) {
command->clips.append(c->linked.at(j));
}
}
}
}
}
if (command->clips.size() > 0) {
undo_stack.push(command);
repaint_timeline();
} else {
delete command;
}
}
void Timeline::increase_track_height() {
for (int i=0;i<video_track_heights.size();i++) {
video_track_heights[i] += TRACK_HEIGHT_INCREMENT;
}
for (int i=0;i<audio_track_heights.size();i++) {
audio_track_heights[i] += TRACK_HEIGHT_INCREMENT;
}
repaint_timeline();
}
void Timeline::decrease_track_height() {
for (int i=0;i<video_track_heights.size();i++) {
video_track_heights[i] -= TRACK_HEIGHT_INCREMENT;
if (video_track_heights[i] < TRACK_MIN_HEIGHT) video_track_heights[i] = TRACK_MIN_HEIGHT;
}
for (int i=0;i<audio_track_heights.size();i++) {
audio_track_heights[i] -= TRACK_HEIGHT_INCREMENT;
if (audio_track_heights[i] < TRACK_MIN_HEIGHT) audio_track_heights[i] = TRACK_MIN_HEIGHT;
}
repaint_timeline();
}
void Timeline::deselect() {
sequence->selections.clear();
repaint_timeline();
}
long getFrameFromScreenPoint(double zoom, int x) {
long f = qCeil((float) x / zoom);
if (f < 0) {
return 0;
}
return f;
}
int getScreenPointFromFrame(double zoom, long frame) {
return (int) qFloor(frame*zoom);
}
long Timeline::getTimelineFrameFromScreenPoint(int x) {
return getFrameFromScreenPoint(zoom, x + scroll);
}
int Timeline::getTimelineScreenPointFromFrame(long frame) {
return getScreenPointFromFrame(zoom, frame) - scroll;
}
void Timeline::on_toolArrowButton_clicked() {
decheck_tool_buttons(sender());
ui->timeline_area->setCursor(Qt::ArrowCursor);
tool = TIMELINE_TOOL_POINTER;
creating = false;
}
void Timeline::on_toolEditButton_clicked() {
decheck_tool_buttons(sender());
ui->timeline_area->setCursor(Qt::IBeamCursor);
tool = TIMELINE_TOOL_EDIT;
creating = false;
}
void Timeline::on_toolRippleButton_clicked() {
decheck_tool_buttons(sender());
ui->timeline_area->setCursor(Qt::ArrowCursor);
tool = TIMELINE_TOOL_RIPPLE;
creating = false;
}
void Timeline::on_toolRollingButton_clicked() {
decheck_tool_buttons(sender());
ui->timeline_area->setCursor(Qt::ArrowCursor);
tool = TIMELINE_TOOL_ROLLING;
creating = false;
}
void Timeline::on_toolRazorButton_clicked()
{
decheck_tool_buttons(sender());
ui->timeline_area->setCursor(Qt::IBeamCursor);
tool = TIMELINE_TOOL_RAZOR;
creating = false;
}
void Timeline::on_toolSlipButton_clicked()
{
decheck_tool_buttons(sender());
ui->timeline_area->setCursor(Qt::ArrowCursor);
tool = TIMELINE_TOOL_SLIP;
creating = false;
}
void Timeline::on_toolSlideButton_clicked()
{
decheck_tool_buttons(sender());
ui->timeline_area->setCursor(Qt::ArrowCursor);
tool = TIMELINE_TOOL_SLIDE;
creating = false;
}
void Timeline::on_addButton_clicked() {
QMenu add_menu(this);
QAction* titleMenuItem = new QAction(&add_menu);
titleMenuItem->setText("Title...");
titleMenuItem->setData(ADD_OBJ_TITLE);
add_menu.addAction(titleMenuItem);
QAction* solidMenuItem = new QAction(&add_menu);
solidMenuItem->setText("Solid Color...");
solidMenuItem->setData(ADD_OBJ_SOLID);
add_menu.addAction(solidMenuItem);
QAction* barsMenuItem = new QAction(&add_menu);
barsMenuItem->setText("Bars...");
barsMenuItem->setData(ADD_OBJ_BARS);
add_menu.addAction(barsMenuItem);
add_menu.addSeparator();
QAction* toneMenuItem = new QAction(&add_menu);
toneMenuItem->setText("Tone...");
toneMenuItem->setData(ADD_OBJ_TONE);
add_menu.addAction(toneMenuItem);
QAction* noiseMenuItem = new QAction(&add_menu);
noiseMenuItem->setText("Noise...");
noiseMenuItem->setData(ADD_OBJ_NOISE);
add_menu.addAction(noiseMenuItem);
connect(&add_menu, SIGNAL(triggered(QAction*)), this, SLOT(addMenuItem(QAction*)));
add_menu.exec(QCursor::pos());
}
void Timeline::addMenuItem(QAction* action) {
creating = true;
creating_object = action->data().toInt();
}
void Timeline::setScroll(int s) {
scroll = s;
ui->headers->set_scroll(s);
repaint_timeline();
}
void Timeline::on_recordButton_clicked() {
if (project_url.isEmpty()) {
QMessageBox::critical(this, "Unsaved Project", "You must save this project before you can record audio in it.", QMessageBox::Ok);
} else {
creating = true;
creating_object = ADD_OBJ_AUDIO;
}
}
void Timeline::on_toolTransitionButton_clicked() {
creating = false;
QMenu transition_menu(this);
for (int i=0;i<effects.size();i++) {
const EffectMeta& em = effects.at(i);
if (em.type == EFFECT_TYPE_TRANSITION && em.subtype == EFFECT_TYPE_VIDEO) {
QAction* a = transition_menu.addAction(em.name);
a->setObjectName("v");
a->setData(reinterpret_cast<quintptr>(&em));
}
}
transition_menu.addSeparator();
for (int i=0;i<effects.size();i++) {
const EffectMeta& em = effects.at(i);
if (em.type == EFFECT_TYPE_TRANSITION && em.subtype == EFFECT_TYPE_AUDIO) {
QAction* a = transition_menu.addAction(em.name);
a->setObjectName("a");
a->setData(reinterpret_cast<quintptr>(&em));
}
}
connect(&transition_menu, SIGNAL(triggered(QAction*)), this, SLOT(transition_menu_select(QAction*)));
ui->toolTransitionButton->setChecked(false);
transition_menu.exec(QCursor::pos());
}
void Timeline::transition_menu_select(QAction* a) {
transition_tool_meta = reinterpret_cast<const EffectMeta*>(a->data().value<quintptr>());
if (a->objectName() == "v") {
transition_tool_side = -1;
} else {
transition_tool_side = 1;
}
decheck_tool_buttons(sender());
ui->timeline_area->setCursor(Qt::CrossCursor);
tool = TIMELINE_TOOL_TRANSITION;
ui->toolTransitionButton->setChecked(true);
}
void move_clip(ComboAction* ca, Clip *c, long iin, long iout, long iclip_in, int itrack, bool verify_transitions) {
ca->append(new MoveClipAction(c, iin, iout, iclip_in, itrack));
if (verify_transitions) {
if (c->get_opening_transition() != NULL && c->get_opening_transition()->secondary_clip != NULL && c->get_opening_transition()->secondary_clip->timeline_out != iin) {
// separate transition
ca->append(new SetPointer((void**) &c->get_opening_transition()->secondary_clip, NULL));
ca->append(new AddTransitionCommand(c->get_opening_transition()->secondary_clip, NULL, c->get_opening_transition(), NULL, TA_CLOSING_TRANSITION, 0));
}
if (c->get_closing_transition() != NULL && c->get_closing_transition()->secondary_clip != NULL && c->get_closing_transition()->parent_clip->timeline_in != iout) {
// separate transition
ca->append(new SetPointer((void**) &c->get_closing_transition()->secondary_clip, NULL));
ca->append(new AddTransitionCommand(c, NULL, c->get_closing_transition(), NULL, TA_CLOSING_TRANSITION, 0));
}
}
}