773 lines
22 KiB
C++
773 lines
22 KiB
C++
#include "timeline.h"
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#include "ui_timeline.h"
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#include "panels/panels.h"
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#include "panels/project.h"
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#include "panels/effectcontrols.h"
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#include "ui/timelinewidget.h"
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#include "project/sequence.h"
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#include "project/clip.h"
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#include "ui/viewerwidget.h"
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#include "playback/audio.h"
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#include "panels/viewer.h"
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#include "playback/cacher.h"
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#include "playback/playback.h"
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#include "ui_viewer.h"
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#include <QTime>
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#include <QScrollBar>
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#include <QtMath>
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Timeline::Timeline(QWidget *parent) :
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QDockWidget(parent),
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ui(new Ui::Timeline)
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{
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selecting = moving_init = moving_proc = splitting = importing = playing = trim_in = snapped = false;
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edit_tool_also_seeks = false;
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snapping = true;
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last_frame = playhead = snap_point = cursor_frame = cursor_track = 0;
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trim_target = -1;
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ui->setupUi(this);
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ui->video_area->bottom_align = true;
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tool_buttons.append(ui->toolArrowButton);
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tool_buttons.append(ui->toolEditButton);
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tool_buttons.append(ui->toolRippleButton);
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tool_buttons.append(ui->toolRazorButton);
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tool_buttons.append(ui->toolSlipButton);
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tool_buttons.append(ui->toolRollingButton);
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ui->toolArrowButton->click();
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zoom = 1.0f;
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update_sequence();
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connect(&playback_updater, SIGNAL(timeout()), this, SLOT(repaint_timeline()));
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}
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Timeline::~Timeline()
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{
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delete ui;
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}
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void Timeline::go_to_start() {
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seek(0);
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}
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void Timeline::previous_frame() {
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seek(playhead-1);
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}
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void Timeline::next_frame() {
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seek(playhead+1);
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}
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void Timeline::previous_cut() {
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if (playhead > 0) {
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long p_cut = 0;
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for (int i=0;i<sequence->clip_count();i++) {
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Clip* c = sequence->get_clip(i);
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if (c->timeline_out > p_cut && c->timeline_out < playhead) {
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p_cut = c->timeline_out;
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} else if (c->timeline_in > p_cut && c->timeline_in < playhead) {
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p_cut = c->timeline_in;
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}
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}
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seek(p_cut);
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}
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}
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void Timeline::next_cut() {
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bool seek_enabled = false;
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long n_cut = LONG_MAX;
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for (int i=0;i<sequence->clip_count();i++) {
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Clip* c = sequence->get_clip(i);
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if (c != NULL) {
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if (c->timeline_in < n_cut && c->timeline_in > playhead) {
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n_cut = c->timeline_in;
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seek_enabled = true;
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} else if (c->timeline_out < n_cut && c->timeline_out > playhead) {
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n_cut = c->timeline_out;
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seek_enabled = true;
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}
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}
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}
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if (seek_enabled) seek(n_cut);
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}
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void Timeline::reset_all_audio() {
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// reset all clip audio
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for (int i=0;i<sequence->clip_count();i++) {
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Clip* c = sequence->get_clip(i);
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if (c != NULL) {
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c->reset_audio = true;
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c->frame_sample_index = 0;
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c->audio_buffer_write = 0;
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}
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}
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clear_audio_ibuffer();
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}
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void Timeline::seek(long p) {
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pause();
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reset_all_audio();
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audio_ibuffer_frame = p;
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playhead = p;
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repaint_timeline();
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}
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void Timeline::toggle_play() {
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if (playing) {
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pause();
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} else {
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play();
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}
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}
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void Timeline::play() {
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playhead_start = playhead;
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start_msecs = QDateTime::currentMSecsSinceEpoch();
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playback_updater.start();
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playing = true;
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panel_viewer->set_playpause_icon(false);
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}
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void Timeline::pause() {
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playing = false;
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panel_viewer->set_playpause_icon(true);
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}
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void Timeline::go_to_end() {
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seek(sequence->getEndFrame());
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}
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int Timeline::get_track_height_size(bool video) {
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if (video) {
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return video_track_heights.size();
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} else {
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return audio_track_heights.size();
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}
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}
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int Timeline::calculate_track_height(int track, int value) {
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int index = (track < 0) ? qAbs(track + 1) : track;
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QVector<int>& vector = (track < 0) ? video_track_heights : audio_track_heights;
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while (vector.size() < index+1) {
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vector.append(TRACK_DEFAULT_HEIGHT);
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}
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if (value > -1) {
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vector[index] = value;
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}
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return vector.at(index);
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}
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void Timeline::update_sequence() {
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bool null_sequence = (sequence == NULL);
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for (int i=0;i<tool_buttons.count();i++) {
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tool_buttons[i]->setEnabled(!null_sequence);
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}
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ui->snappingButton->setEnabled(!null_sequence);
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ui->pushButton_4->setEnabled(!null_sequence);
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ui->pushButton_5->setEnabled(!null_sequence);
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ui->headers->setEnabled(!null_sequence);
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ui->video_area->setEnabled(!null_sequence);
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ui->audio_area->setEnabled(!null_sequence);
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if (null_sequence) {
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setWindowTitle("Timeline: <none>");
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} else {
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setWindowTitle("Timeline: " + sequence->name);
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redraw_all_clips(false);
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playback_updater.setInterval(qFloor(1000 / sequence->frame_rate));
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}
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}
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int Timeline::get_snap_range() {
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return getFrameFromScreenPoint(10);
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}
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bool Timeline::focused() {
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return (ui->headers->hasFocus() || ui->video_area->hasFocus() || ui->audio_area->hasFocus());
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}
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void Timeline::undo() {
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// qDebug() << "[INFO] Undo/redo was so buggy, it's been disabled. Sorry for any inconvenience";
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if (sequence != NULL) {
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panel_effect_controls->clear_effects();
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sequence->undo();
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redraw_all_clips(false);
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}
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}
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void Timeline::redo() {
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// qDebug() << "[INFO] Undo/redo was so buggy, it's been disabled. Sorry for any inconvenience";
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if (sequence != NULL) {
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panel_effect_controls->clear_effects();
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sequence->redo();
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redraw_all_clips(false);
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}
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}
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void Timeline::repaint_timeline() {
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if (playing) {
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playhead = round(playhead_start + ((QDateTime::currentMSecsSinceEpoch()-start_msecs) * 0.001 * sequence->frame_rate));
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}
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ui->headers->update();
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ui->video_area->update();
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ui->audio_area->update();
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if (last_frame != playhead) {
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panel_viewer->viewer_widget->update();
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last_frame = playhead;
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}
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panel_viewer->update_playhead_timecode();
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}
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void Timeline::redraw_all_clips(bool changed) {
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if (sequence != NULL) {
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if (changed) {
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project_changed = true;
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if (!playing) reset_all_audio();
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panel_viewer->viewer_widget->update();
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sequence->undo_add_current();
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}
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ui->video_area->redraw_clips();
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ui->audio_area->redraw_clips();
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ui->headers->update();
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panel_viewer->update_end_timecode();
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}
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}
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void Timeline::select_all() {
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selections.clear();
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for (int i=0;i<sequence->clip_count();i++) {
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Clip* c = sequence->get_clip(i);
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if (c != NULL) selections.append({c->timeline_in, c->timeline_out, c->track});
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}
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repaint_timeline();
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}
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void Timeline::delete_selection(bool ripple_delete) {
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if (selections.size() > 0) {
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panel_effect_controls->clear_effects();
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long ripple_point = selections.at(0).in;
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long ripple_length = selections.at(0).out - selections.at(0).in;
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for (int i=0;i<selections.size();i++) {
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const Selection& s = selections.at(i);
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if (ripple_delete) {
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if (ripple_point > s.in) ripple_point = s.in;
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if (ripple_length > s.out - s.in) ripple_length = s.out - s.in;
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}
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}
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delete_areas_and_relink(selections);
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selections.clear();
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if (ripple_delete) {
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long validator;
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for (int i=0;i<sequence->clip_count();i++) {
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// check every clip after and see if it'll collide
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// NOTE, we could probably re-use the validation code for the ripple tool here for optimization (since it's technically better code I think)
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Clip* c = sequence->get_clip(i);
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if (c != NULL && c->timeline_in >= ripple_point) {
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for (int j=0;j<sequence->clip_count();j++) {
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Clip* cc = sequence->get_clip(j);
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if (cc != NULL && cc->timeline_in < ripple_point) {
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validator = c->timeline_in - ripple_length - cc->timeline_out;
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if (validator < 0) ripple_length += validator;
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if (ripple_length <= 0) {
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// we've seen all we need to see here (can't ripple so stop looping)
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i = j = sequence->clip_count();
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}
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}
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}
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}
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}
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if (ripple_length > 0) ripple(ripple_point, -ripple_length);
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}
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redraw_all_clips(true);
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}
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}
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int lerp(int a, int b, float t) {
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return ((1.0f - t) * a) + (t * b);
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}
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void Timeline::set_zoom(bool in) {
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if (in) {
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zoom *= 2;
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} else {
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zoom /= 2;
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}
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ui->timeline_area->horizontalScrollBar()->setValue(
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lerp(
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ui->timeline_area->horizontalScrollBar()->value(),
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getScreenPointFromFrame(playhead) - (ui->timeline_area->width()/2),
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0.99f
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)
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);
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redraw_all_clips(false);
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}
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void Timeline::ripple(long ripple_point, long ripple_length) {
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for (int i=0;i<sequence->clip_count();i++) {
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Clip* c = sequence->get_clip(i);
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if (c != NULL && c->timeline_in >= ripple_point) {
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c->timeline_in += ripple_length;
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c->timeline_out += ripple_length;
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}
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}
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for (int i=0;i<selections.size();i++) {
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Selection& s = selections[i];
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if (s.in >= ripple_point) {
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s.in += ripple_length;
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s.out += ripple_length;
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}
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}
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}
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void Timeline::decheck_tool_buttons(QObject* sender) {
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for (int i=0;i<tool_buttons.count();i++) {
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if (tool_buttons[i] != sender) {
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tool_buttons[i]->setChecked(false);
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}
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}
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}
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void Timeline::on_toolEditButton_toggled(bool checked)
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{
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if (checked) {
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decheck_tool_buttons(sender());
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ui->timeline_area->setCursor(Qt::IBeamCursor);
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tool = TIMELINE_TOOL_EDIT;
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}
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}
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void Timeline::on_toolArrowButton_toggled(bool checked)
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{
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if (checked) {
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decheck_tool_buttons(sender());
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ui->timeline_area->setCursor(Qt::ArrowCursor);
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tool = TIMELINE_TOOL_POINTER;
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}
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}
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void Timeline::on_toolRazorButton_toggled(bool checked)
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{
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if (checked) {
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decheck_tool_buttons(sender());
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ui->timeline_area->setCursor(Qt::IBeamCursor);
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tool = TIMELINE_TOOL_RAZOR;
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}
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}
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void Timeline::on_pushButton_4_clicked()
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{
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set_zoom(true);
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}
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void Timeline::on_pushButton_5_clicked()
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{
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set_zoom(false);
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}
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bool Timeline::is_clip_selected(Clip* clip) {
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for (int i=0;i<selections.size();i++) {
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const Selection& s = selections.at(i);
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if (clip->track == s.track && clip->timeline_in >= s.in && clip->timeline_out <= s.out) {
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return true;
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}
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}
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return false;
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}
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void Timeline::on_toolRippleButton_toggled(bool checked)
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{
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if (checked) {
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decheck_tool_buttons(sender());
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ui->timeline_area->setCursor(Qt::ArrowCursor);
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tool = TIMELINE_TOOL_RIPPLE;
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}
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}
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void Timeline::on_toolRollingButton_toggled(bool checked)
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{
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if (checked) {
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decheck_tool_buttons(sender());
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ui->timeline_area->setCursor(Qt::ArrowCursor);
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tool = TIMELINE_TOOL_ROLLING;
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}
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}
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void Timeline::on_toolSlipButton_toggled(bool checked)
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{
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if (checked) {
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decheck_tool_buttons(sender());
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ui->timeline_area->setCursor(Qt::ArrowCursor);
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tool = TIMELINE_TOOL_SLIP;
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}
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}
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void Timeline::on_snappingButton_toggled(bool checked)
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{
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snapping = checked;
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}
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void Timeline::split_clip_and_relink(Clip* clip, long frame, bool relink) {
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QVector<Clip*> pre_clips;
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QVector<Clip*> post_clips;
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pre_clips.append(clip);
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post_clips.append(sequence->split_clip(clip, frame));
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// if alt is not down, split clips links too
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if (relink) {
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bool original_clip_is_selected = is_clip_selected(clip);
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// find linked clips of old clip
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for (int i=0;i<clip->linked.size();i++) {
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Clip* link = sequence->get_clip(clip->linked.at(i));
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if (original_clip_is_selected != !is_clip_selected(link)) {
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Clip* s = sequence->split_clip(link, frame);
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if (s != NULL) {
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pre_clips.append(link);
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post_clips.append(s);
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}
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}
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}
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relink_clips_using_ids(pre_clips, post_clips);
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}
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}
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void Timeline::clean_up_selections(QVector<Selection>& areas) {
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for (int i=0;i<areas.size();i++) {
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Selection& s = areas[i];
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for (int j=0;j<areas.size();j++) {
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if (i != j) {
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Selection& ss = areas[j];
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if (s.track == ss.track) {
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bool remove = false;
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if (s.in < ss.in && s.out > ss.out) {
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// do nothing
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} else if (s.in >= ss.in && s.out <= ss.out) {
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remove = true;
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} else if (s.in <= ss.out && s.out > ss.out) {
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ss.out = s.out;
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remove = true;
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} else if (s.out >= ss.in && s.in < ss.in) {
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ss.in = s.in;
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remove = true;
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}
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if (remove) {
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areas.removeAt(i);
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i--;
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break;
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}
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}
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}
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}
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}
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}
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void Timeline::delete_areas_and_relink(QVector<Selection>& areas) {
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clean_up_selections(areas);
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QVector<Clip*> pre_clips;
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QVector<Clip*> post_clips;
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for (int i=0;i<areas.size();i++) {
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const Selection& s = areas.at(i);
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for (int j=0;j<sequence->clip_count();j++) {
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Clip* c = sequence->get_clip(j);
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if (c != NULL && c->track == s.track && !c->undeletable) {
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if (c->timeline_in >= s.in && c->timeline_out <= s.out) {
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// clips falls entirely within deletion area
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sequence->delete_clip(j);
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j--;
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} else if (c->timeline_in < s.in && c->timeline_out > s.out) {
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// middle of clip is within deletion area
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// duplicate clip
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Clip* post = c->copy();
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c->timeline_out = s.in;
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post->timeline_in = s.out;
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post->clip_in = c->clip_in + c->getLength() + (s.out - s.in);
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pre_clips.append(c);
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post_clips.append(post);
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sequence->add_clip(post);
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} else if (c->timeline_in < s.in && c->timeline_out > s.in) {
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// only out point is in deletion area
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c->timeline_out = s.in;
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} else if (c->timeline_in < s.out && c->timeline_out > s.out) {
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// only in point is in deletion area
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c->clip_in += s.out - c->timeline_in;
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c->timeline_in = s.out;
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}
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}
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}
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}
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relink_clips_using_ids(pre_clips, post_clips);
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}
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void Timeline::copy(bool del) {
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bool cleared = false;
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bool copied = false;
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long min_in = 0;
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for (int i=0;i<sequence->clip_count();i++) {
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Clip* c = sequence->get_clip(i);
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if (c != NULL) {
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for (int j=0;j<selections.size();j++) {
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const Selection& s = selections.at(j);
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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))) {
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if (!cleared) {
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clip_clipboard.clear();
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cleared = true;
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}
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Clip* copied_clip = c->copy();
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// copy linked IDs (we correct these later in paste())
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copied_clip->linked = c->linked;
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if (copied_clip->timeline_in < s.in) {
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copied_clip->clip_in += (s.in - copied_clip->timeline_in);
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copied_clip->timeline_in = s.in;
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}
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if (copied_clip->timeline_out > s.out) {
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copied_clip->timeline_out = s.out;
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}
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if (copied) {
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min_in = qMin(min_in, s.in);
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} else {
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min_in = s.in;
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copied = true;
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}
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clip_clipboard.append(copied_clip);
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}
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}
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}
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}
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for (int i=0;i<clip_clipboard.size();i++) {
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// initialize all timeline_ins to 0 or offsets of
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clip_clipboard[i]->timeline_in -= min_in;
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clip_clipboard[i]->timeline_out -= min_in;
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}
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|
|
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if (del && copied) {
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delete_selection(false);
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}
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}
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|
|
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void Timeline::relink_clips_using_ids(QVector<Clip*>& old_clips, QVector<Clip*>& new_clips) {
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// relink pasted clips
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for (int i=0;i<old_clips.size();i++) {
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// these indices should correspond
|
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Clip* oc = old_clips.at(i);
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Clip* nc = new_clips.at(i);
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for (int j=0;j<oc->linked.size();j++) {
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for (int k=0;k<old_clips.size();k++) { // find clip with that ID
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if (old_clips.at(k)->id == oc->linked.at(j)) {
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nc->linked.append(new_clips.at(k)->id);
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}
|
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}
|
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}
|
|
}
|
|
}
|
|
|
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void Timeline::paste() {
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|
if (clip_clipboard.size() > 0) {
|
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QVector<Selection> delete_areas;
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for (int i=0;i<clip_clipboard.size();i++) {
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Clip* c = clip_clipboard.at(i);
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delete_areas.append({c->timeline_in + playhead, c->timeline_out + playhead, c->track});
|
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}
|
|
delete_areas_and_relink(delete_areas);
|
|
|
|
QVector<Clip*> added_clips;
|
|
for (int i=0;i<clip_clipboard.size();i++) {
|
|
Clip* c = clip_clipboard.at(i);
|
|
Clip* cc = c->copy();
|
|
cc->timeline_in += playhead;
|
|
cc->timeline_out += playhead;
|
|
cc->sequence = sequence;
|
|
added_clips.append(cc);
|
|
sequence->add_clip(cc);
|
|
}
|
|
|
|
relink_clips_using_ids(clip_clipboard, added_clips);
|
|
|
|
redraw_all_clips(true);
|
|
}
|
|
}
|
|
|
|
bool Timeline::split_selection() {
|
|
bool split = false;
|
|
|
|
// temporary relinking vectors
|
|
QVector<Clip*> pre_splits;
|
|
QVector<Clip*> post_splits;
|
|
|
|
// find clips within selection and split
|
|
for (int j=0;j<sequence->clip_count();j++) {
|
|
Clip* clip = sequence->get_clip(j);
|
|
if (clip != NULL) {
|
|
for (int i=0;i<selections.size();i++) {
|
|
const Selection& s = selections.at(i);
|
|
if (s.track == clip->track) {
|
|
Clip* post_a = sequence->split_clip(clip, s.in);
|
|
Clip* post_b = sequence->split_clip(clip, s.out);
|
|
|
|
if (post_a != NULL) {
|
|
pre_splits.append(clip);
|
|
post_splits.append(post_a);
|
|
}
|
|
if (post_b != NULL) {
|
|
pre_splits.append(clip);
|
|
post_splits.append(post_b);
|
|
}
|
|
|
|
split = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// relink after splitting
|
|
relink_clips_using_ids(pre_splits, post_splits);
|
|
|
|
return split;
|
|
}
|
|
|
|
void Timeline::split_at_playhead() {
|
|
bool split_selected = false;
|
|
|
|
if (selections.size() > 0) {
|
|
// see if whole clips are selected
|
|
QVector<Clip*> pre_clips;
|
|
QVector<Clip*> post_clips;
|
|
for (int j=0;j<sequence->clip_count();j++) {
|
|
Clip* clip = sequence->get_clip(j);
|
|
if (clip != NULL && is_clip_selected(clip)) {
|
|
Clip* s = sequence->split_clip(clip, playhead);
|
|
if (s != NULL) {
|
|
pre_clips.append(clip);
|
|
post_clips.append(s);
|
|
split_selected = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (split_selected) {
|
|
// relink clips if we split
|
|
relink_clips_using_ids(pre_clips, post_clips);
|
|
} else {
|
|
// split a selection if not
|
|
split_selected = split_selection();
|
|
}
|
|
}
|
|
|
|
// if nothing was selected or no selections fell within playhead, simply split at playhead
|
|
if (!split_selected) {
|
|
for (int j=0;j<sequence->clip_count();j++) {
|
|
Clip* c = sequence->get_clip(j);
|
|
if (c != NULL) {
|
|
// always relinks
|
|
split_clip_and_relink(sequence->get_clip(j), playhead, true);
|
|
split_selected = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (split_selected) redraw_all_clips(true);
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
void Timeline::snap_to_clip(long* l, bool playhead_inclusive) {
|
|
snapped = false;
|
|
if (snapping) {
|
|
if (!playhead_inclusive || !snap_to_point(playhead, l)) {
|
|
for (int i=0;i<sequence->clip_count();i++) {
|
|
Clip* c = sequence->get_clip(i);
|
|
if (c != NULL) {
|
|
if (snap_to_point(c->timeline_in, l)) {
|
|
break;
|
|
} else if (snap_to_point(c->timeline_out, l)) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
redraw_all_clips(false);
|
|
}
|
|
|
|
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;
|
|
}
|
|
redraw_all_clips(false);
|
|
}
|
|
|
|
void Timeline::deselect() {
|
|
selections.clear();
|
|
repaint_timeline();
|
|
}
|
|
|
|
long Timeline::getFrameFromScreenPoint(int x) {
|
|
long f = round((float) x / zoom);
|
|
if (f < 0) {
|
|
return 0;
|
|
}
|
|
return f;
|
|
}
|
|
|
|
int Timeline::getScreenPointFromFrame(long frame) {
|
|
return (int) round(frame*zoom);
|
|
}
|