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#include "footage.h"
#include <QDebug>
#include <QtMath>
#include "io/previewgenerator.h"
extern "C" {
#include <libavformat/avformat.h>
}
#include "project/clip.h"
Footage::Footage() : ready(false), preview_gen(NULL), invalid(false), in(0), out(0) {
ready_lock.lock();
}
Footage::~Footage() {
reset();
}
void Footage::reset() {
if (preview_gen != NULL) {
preview_gen->cancel();
preview_gen->wait();
}
for (int i=0;i<video_tracks.size();i++) {
delete video_tracks.at(i);
}
for (int i=0;i<audio_tracks.size();i++) {
delete audio_tracks.at(i);
}
video_tracks.clear();
audio_tracks.clear();
ready = false;
}
long Footage::get_length_in_frames(double frame_rate) {
if (length >= 0) return qFloor(((double) length / (double) AV_TIME_BASE) * frame_rate);
return 0;
}
FootageStream* Footage::get_stream_from_file_index(bool video, int index) {
if (video) {
for (int i=0;i<video_tracks.size();i++) {
if (video_tracks.at(i)->file_index == index) {
return video_tracks.at(i);
}
}
} else {
for (int i=0;i<audio_tracks.size();i++) {
if (audio_tracks.at(i)->file_index == index) {
return audio_tracks.at(i);
}
}
}
return NULL;
}
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