147 lines
3.5 KiB
C++
147 lines
3.5 KiB
C++
#include "sequence.h"
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#include "project/clip.h"
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#include <QDebug>
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Sequence::Sequence() {
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undo_pointer = -1;
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}
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Sequence::~Sequence() {
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// dealloc all clips
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for (int i=0;i<clips.size();i++) {
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delete clips.at(i);
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}
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}
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void Sequence::add_clip(Clip* c) {
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c->id = clip_count();
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clips.append(c);
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}
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int Sequence::clip_count() {
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return clips.size();
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}
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Clip* Sequence::get_clip(int i) {
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return clips.at(i);
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}
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void Sequence::delete_clip(int i) {
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// remove any potential link references to clip
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for (int j=0;j<clip_count();j++) {
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Clip* c = get_clip(j);
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for (int k=0;k<c->linked.size();k++) {
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if (c->linked[k] == clips[i]->id) {
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// c->linked[k] = NULL;
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c->linked.removeAt(k);
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break;
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}
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}
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}
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// finally remove from vector
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delete clips.at(i);
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clips[i] = NULL;
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}
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long Sequence::getEndFrame() {
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long end = 0;
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for (int j=0;j<clip_count();j++) {
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Clip* c = get_clip(j);
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if (c != NULL && c->timeline_out > end) {
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end = c->timeline_out;
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}
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}
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return end;
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}
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void Sequence::get_track_limits(int* video_tracks, int* audio_tracks) {
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int vt = 0;
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int at = 0;
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for (int j=0;j<clip_count();j++) {
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Clip* c = get_clip(j);
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if (c != NULL) {
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if (c->track < 0 && c->track < vt) { // video clip
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vt = c->track;
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} else if (c->track > at) {
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at = c->track;
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}
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}
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}
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if (video_tracks != NULL) *video_tracks = vt;
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if (audio_tracks != NULL) *audio_tracks = at;
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}
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//void Sequence::delete_area(long in, long out, int track) {
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//}
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Clip* Sequence::split_clip(Clip* pre, long frame) {
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if (pre->timeline_in < frame && pre->timeline_out > frame) { // guard against attempts to split at in/out points
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Clip* post = pre->copy();
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pre->timeline_out = frame;
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post->timeline_in = frame;
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post->clip_in = pre->clip_in + pre->getLength();
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add_clip(post);
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return post;
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}
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return NULL;
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}
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void Sequence::undo_add_current() {
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// if (undo_stack.size() == UNDO_LIMIT) {
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// delete undo_stack.at(0);
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// undo_stack.removeFirst();
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// } else {
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// undo_pointer++;
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// while (undo_stack.size() > undo_pointer+1) {
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// delete undo_stack.last();
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// undo_stack.removeLast();
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// }
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// }
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// // copy clips
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// QVector<Clip*>* copied_clips = new QVector<Clip*>();
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// for (int i=0;i<clip_count();i++) {
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// copied_clips->append(get_clip(i)->copy());
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// }
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// undo_stack.append(copied_clips);
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}
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void Sequence::set_undo(int i) {
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// for (int i=0;i<clip_count();i++) {
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// delete clips.at(i);
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// }
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// clips.clear();
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// QVector<Clip*>* copy_from_list = undo_stack.at(undo_pointer);
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// for (int i=0;i<copy_from_list->size();i++) {
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// add_clip(copy_from_list->at(i)->copy());
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// }
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}
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void Sequence::undo() {
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// if (undo_pointer > 0) {
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// undo_pointer--;
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// set_undo(undo_pointer);
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// } else {
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// qDebug() << "[INFO] No more undos";
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// }
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}
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void Sequence::redo() {
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// if (undo_pointer == undo_stack.size() - 1) {
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// qDebug() << "[INFO] No more redos";
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// } else {
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// undo_pointer++;
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// set_undo(undo_pointer);
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// }
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}
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// static variable for the currently active sequence
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Sequence* sequence = NULL;
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