113 lines
2.5 KiB
C++
113 lines
2.5 KiB
C++
#include "sequence.h"
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#include "clip.h"
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#include "transition.h"
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#include "debug.h"
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Sequence::Sequence() :
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playhead(0),
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using_workarea(false),
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workarea_in(0),
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workarea_out(0),
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wrapper_sequence(false)
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{
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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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Sequence* Sequence::copy() {
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Sequence* s = new Sequence();
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s->name = name + " (copy)";
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s->width = width;
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s->height = height;
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s->frame_rate = frame_rate;
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s->audio_frequency = audio_frequency;
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s->audio_layout = audio_layout;
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s->clips.resize(clips.size());
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for (int i=0;i<clips.size();i++) {
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Clip* c = clips.at(i);
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if (c == NULL) {
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s->clips[i] = NULL;
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} else {
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Clip* copy = c->copy(s);
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copy->linked = c->linked;
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s->clips[i] = copy;
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}
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}
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return s;
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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<clips.size();j++) {
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Clip* c = clips.at(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::hard_delete_transition(Clip *c, int type) {
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int transition_index = (type == TA_OPENING_TRANSITION) ? c->opening_transition : c->closing_transition;
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if (transition_index > -1) {
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bool del = true;
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Transition* t = transitions.at(transition_index);
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if (t->secondary_clip != NULL) {
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for (int i=0;i<clips.size();i++) {
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Clip* comp = clips.at(i);
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if (comp != NULL
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&& c != comp
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&& (c->opening_transition == transition_index
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|| c->closing_transition == transition_index)) {
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if (type == TA_OPENING_TRANSITION) {
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// convert to closing transition
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t->parent_clip = t->secondary_clip;
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}
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del = false;
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t->secondary_clip = NULL;
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}
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}
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}
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if (del) {
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delete transitions.at(transition_index);
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transitions[transition_index] = NULL;
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}
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if (type == TA_OPENING_TRANSITION) {
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c->opening_transition = -1;
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} else {
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c->closing_transition = -1;
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}
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}
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}
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void Sequence::getTrackLimits(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<clips.size();j++) {
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Clip* c = clips.at(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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// static variable for the currently active sequence
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Sequence* sequence = NULL;
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