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|
#include "loadthread.h"
#include "mainwindow.h"
#include "panels/panels.h"
#include "panels/project.h"
#include "project/footage.h"
#include "io/config.h"
#include "project/clip.h"
#include "project/sequence.h"
#include "project/transition.h"
#include "project/effect.h"
#include "playback/playback.h"
#include "io/previewgenerator.h"
#include "dialogs/loaddialog.h"
#include "project/media.h"
#include "debug.h"
#include <QFile>
#include <QMessageBox>
#include <QTreeWidgetItem>
struct TransitionData {
int id;
QString name;
long length;
Clip* otc;
Clip* ctc;
};
LoadThread::LoadThread(LoadDialog* l, bool a) : ld(l), autorecovery(a), cancelled(false) {
connect(this, SIGNAL(finished()), this, SLOT(deleteLater()));
connect(this, SIGNAL(success()), this, SLOT(success_func()));
connect(this, SIGNAL(error()), this, SLOT(error_func()));
connect(this, SIGNAL(start_create_dual_transition(const TransitionData*,Clip*,Clip*,const EffectMeta*)), this, SLOT(create_dual_transition(const TransitionData*,Clip*,Clip*,const EffectMeta*)));
connect(this, SIGNAL(start_create_effect_ui(QXmlStreamReader*, Clip*, int, const EffectMeta*, long, bool)), this, SLOT(create_effect_ui(QXmlStreamReader*, Clip*, int, const EffectMeta*, long, bool)));
}
const EffectMeta* get_meta_from_name(const QString& name, int type) {
for (int j=0;j<effects.size();j++) {
if (effects.at(j).name == name) {
return &effects.at(j);
}
}
return NULL;
}
void LoadThread::load_effect(QXmlStreamReader& stream, Clip* c) {
int effect_id = -1;
QString effect_name;
bool effect_enabled = true;
long effect_length = -1;
for (int j=0;j<stream.attributes().size();j++) {
const QXmlStreamAttribute& attr = stream.attributes().at(j);
if (attr.name() == "id") {
effect_id = attr.value().toInt();
} else if (attr.name() == "enabled") {
effect_enabled = (attr.value() == "1");
} else if (attr.name() == "name") {
effect_name = attr.value().toString();
} else if (attr.name() == "length") {
effect_length = attr.value().toLong();
}
}
// backwards compatibility with 180820
if (stream.name() == "effect" && effect_id != -1) {
switch (effect_id) {
case 0: effect_name = (c->track < 0) ? "Transform" : "Volume"; break;
case 1: effect_name = (c->track < 0) ? "Shake" : "Pan"; break;
case 2: effect_name = (c->track < 0) ? "Text" : "Noise"; break;
case 3: effect_name = (c->track < 0) ? "Solid" : "Tone"; break;
case 4: effect_name = "Invert"; break;
case 5: effect_name = "Chroma Key"; break;
case 6: effect_name = "Gaussian Blur"; break;
case 7: effect_name = "Crop"; break;
case 8: effect_name = "Flip"; break;
case 9: effect_name = "Box Blur"; break;
case 10: effect_name = "Wave"; break;
case 11: effect_name = "Temperature"; break;
}
}
// wait for effects to be loaded
effects_loaded.lock();
const EffectMeta* meta = NULL;
// find effect with this name
if (!effect_name.isEmpty()) {
meta = get_meta_from_name(effect_name, (c->track < 0) ? EFFECT_TYPE_VIDEO : EFFECT_TYPE_AUDIO);
}
effects_loaded.unlock();
if (meta == NULL) {
dout << "[WARNING] An effect used by this project is missing. It was not loaded.";
} else {
QString tag = stream.name().toString();
int type;
if (tag == "opening") {
type = TA_OPENING_TRANSITION;
} else if (tag == "closing") {
type = TA_CLOSING_TRANSITION;
} else {
type = TA_NO_TRANSITION;
}
emit start_create_effect_ui(&stream, c, type, meta, effect_length, effect_enabled);
waitCond.wait(&mutex);
}
}
void LoadThread::read_next(QXmlStreamReader &stream) {
stream.readNext();
update_current_element_count(stream);
}
void LoadThread::read_next_start_element(QXmlStreamReader &stream) {
stream.readNextStartElement();
update_current_element_count(stream);
}
void LoadThread::update_current_element_count(QXmlStreamReader &stream) {
if (is_element(stream)) {
current_element_count++;
report_progress((current_element_count * 100) / total_element_count);
}
}
bool LoadThread::is_element(QXmlStreamReader &stream) {
return stream.isStartElement()
&& (stream.name() == "folder"
|| stream.name() == "footage"
|| stream.name() == "sequence"
|| stream.name() == "clip"
|| stream.name() == "effect");
}
bool LoadThread::load_worker(QFile& f, QXmlStreamReader& stream, int type) {
f.seek(0);
stream.setDevice(stream.device());
QString root_search;
QString child_search;
switch (type) {
case LOAD_TYPE_VERSION:
root_search = "version";
break;
case LOAD_TYPE_URL:
root_search = "url";
break;
case MEDIA_TYPE_FOLDER:
root_search = "folders";
child_search = "folder";
break;
case MEDIA_TYPE_FOOTAGE:
root_search = "media";
child_search = "footage";
break;
case MEDIA_TYPE_SEQUENCE:
root_search = "sequences";
child_search = "sequence";
break;
}
show_err = true;
while (!stream.atEnd() && !cancelled) {
read_next_start_element(stream);
if (stream.name() == root_search) {
if (type == LOAD_TYPE_VERSION) {
int proj_version = stream.readElementText().toInt();
if (proj_version < MIN_SAVE_VERSION && proj_version > SAVE_VERSION) {
if (QMessageBox::warning(mainWindow, "Version Mismatch", "This project was saved in a different version of Olive and may not be fully compatible with this version. Would you like to attempt loading it anyway?", QMessageBox::Yes, QMessageBox::No) == QMessageBox::No) {
show_err = false;
return false;
}
}
} else if (type == LOAD_TYPE_URL) {
internal_proj_url = stream.readElementText();
internal_proj_dir = QFileInfo(internal_proj_url).absoluteDir();
} else {
while (!cancelled && !(stream.name() == root_search && stream.isEndElement())) {
read_next(stream);
if (stream.name() == child_search && stream.isStartElement()) {
switch (type) {
case MEDIA_TYPE_FOLDER:
{
Media* folder = panel_project->new_folder(0);
folder->temp_id2 = 0;
for (int j=0;j<stream.attributes().size();j++) {
const QXmlStreamAttribute& attr = stream.attributes().at(j);
if (attr.name() == "id") {
folder->temp_id = attr.value().toInt();
} else if (attr.name() == "name") {
folder->set_name(attr.value().toString());
} else if (attr.name() == "parent") {
folder->temp_id2 = attr.value().toInt();
}
}
loaded_folders.append(folder);
}
break;
case MEDIA_TYPE_FOOTAGE:
{
int folder = 0;
Media* item = new Media(0);
Footage* m = new Footage();
m->using_inout = false;
for (int j=0;j<stream.attributes().size();j++) {
const QXmlStreamAttribute& attr = stream.attributes().at(j);
if (attr.name() == "id") {
m->save_id = attr.value().toInt();
} else if (attr.name() == "folder") {
folder = attr.value().toInt();
} else if (attr.name() == "name") {
m->name = attr.value().toString();
} else if (attr.name() == "url") {
m->url = attr.value().toString();
if (!QFileInfo::exists(m->url)) { // if path is not absolute
QString proj_dir_test = proj_dir.absoluteFilePath(m->url);
QString internal_proj_dir_test = internal_proj_dir.absoluteFilePath(m->url);
if (QFileInfo::exists(proj_dir_test)) { // if path is relative to the project's current dir
m->url = proj_dir_test;
dout << "[INFO] Matched" << attr.value().toString() << "relative to project's current directory";
} else if (QFileInfo::exists(internal_proj_dir_test)) { // if path is relative to the last directory the project was saved in
m->url = internal_proj_dir_test;
dout << "[INFO] Matched" << attr.value().toString() << "relative to project's internal directory";
} else if (m->url.contains('%')) {
// hack for image sequences (qt won't be able to find the URL with %, but ffmpeg may)
m->url = proj_dir_test;
dout << "[INFO] Guess image sequence" << attr.value().toString() << "path to project's current directory";
} else {
dout << "[INFO] Failed to match" << attr.value().toString() << "to file";
}
} else {
dout << "[INFO] Matched" << attr.value().toString() << "with absolute path";
}
} else if (attr.name() == "duration") {
m->length = attr.value().toLongLong();
} else if (attr.name() == "using_inout") {
m->using_inout = (attr.value() == "1");
} else if (attr.name() == "in") {
m->in = attr.value().toLong();
} else if (attr.name() == "out") {
m->out = attr.value().toLong();
}
}
item->set_footage(m);
project_model.appendChild(find_loaded_folder_by_id(folder), item);
// analyze media to see if it's the same
loaded_media_items.append(item);
}
break;
case MEDIA_TYPE_SEQUENCE:
{
Media* parent = NULL;
Sequence* s = new Sequence();
// load attributes about sequence
for (int j=0;j<stream.attributes().size();j++) {
const QXmlStreamAttribute& attr = stream.attributes().at(j);
if (attr.name() == "name") {
s->name = attr.value().toString();
} else if (attr.name() == "folder") {
int folder = attr.value().toInt();
if (folder > 0) parent = find_loaded_folder_by_id(folder);
} else if (attr.name() == "id") {
s->save_id = attr.value().toInt();
} else if (attr.name() == "width") {
s->width = attr.value().toInt();
} else if (attr.name() == "height") {
s->height = attr.value().toInt();
} else if (attr.name() == "framerate") {
s->frame_rate = attr.value().toDouble();
} else if (attr.name() == "afreq") {
s->audio_frequency = attr.value().toInt();
} else if (attr.name() == "alayout") {
s->audio_layout = attr.value().toInt();
} else if (attr.name() == "open") {
open_seq = s;
} else if (attr.name() == "workarea") {
s->using_workarea = (attr.value() == "1");
} else if (attr.name() == "workareaIn") {
s->workarea_in = attr.value().toLong();
} else if (attr.name() == "workareaOut") {
s->workarea_out = attr.value().toLong();
}
}
QVector<TransitionData> transition_data;
// load all clips and clip information
while (!cancelled && !(stream.name() == child_search && stream.isEndElement()) && !stream.atEnd()) {
read_next_start_element(stream);
if (stream.name() == "marker" && stream.isStartElement()) {
Marker m;
for (int j=0;j<stream.attributes().size();j++) {
const QXmlStreamAttribute& attr = stream.attributes().at(j);
if (attr.name() == "frame") {
m.frame = attr.value().toLong();
} else if (attr.name() == "name") {
m.name = attr.value().toString();
}
}
s->markers.append(m);
} else if (stream.name() == "transition" && stream.isStartElement()) {
TransitionData td;
td.otc = NULL;
td.ctc = NULL;
for (int j=0;j<stream.attributes().size();j++) {
const QXmlStreamAttribute& attr = stream.attributes().at(j);
if (attr.name() == "id") {
td.id = attr.value().toInt();
} else if (attr.name() == "name") {
td.name = attr.value().toString();
} else if (attr.name() == "length") {
td.length = attr.value().toLong();
}
}
transition_data.append(td);
} else if (stream.name() == "clip" && stream.isStartElement()) {
int media_type = -1;
int media_id, stream_id;
Clip* c = new Clip(s);
// backwards compatibility code
c->autoscale = false;
c->media = NULL;
for (int j=0;j<stream.attributes().size();j++) {
const QXmlStreamAttribute& attr = stream.attributes().at(j);
if (attr.name() == "name") {
c->name = attr.value().toString();
} else if (attr.name() == "enabled") {
c->enabled = (attr.value() == "1");
} else if (attr.name() == "id") {
c->load_id = attr.value().toInt();
} else if (attr.name() == "clipin") {
c->clip_in = attr.value().toLong();
} else if (attr.name() == "in") {
c->timeline_in = attr.value().toLong();
} else if (attr.name() == "out") {
c->timeline_out = attr.value().toLong();
} else if (attr.name() == "track") {
c->track = attr.value().toInt();
} else if (attr.name() == "r") {
c->color_r = attr.value().toInt();
} else if (attr.name() == "g") {
c->color_g = attr.value().toInt();
} else if (attr.name() == "b") {
c->color_b = attr.value().toInt();
} else if (attr.name() == "autoscale") {
c->autoscale = (attr.value() == "1");
} else if (attr.name() == "media") {
media_type = MEDIA_TYPE_FOOTAGE;
media_id = attr.value().toInt();
} else if (attr.name() == "stream") {
stream_id = attr.value().toInt();
} else if (attr.name() == "speed") {
c->speed = attr.value().toDouble();
} else if (attr.name() == "maintainpitch") {
c->maintain_audio_pitch = (attr.value() == "1");
} else if (attr.name() == "reverse") {
c->reverse = (attr.value() == "1");
} else if (attr.name() == "opening") {
c->opening_transition = attr.value().toInt();
} else if (attr.name() == "closing") {
c->closing_transition = attr.value().toInt();
} else if (attr.name() == "sequence") {
media_type = MEDIA_TYPE_SEQUENCE;
// since we haven't finished loading sequences, we defer linking this until later
c->media = NULL;
c->media_stream = attr.value().toInt();
loaded_clips.append(c);
}
}
// set media and media stream
switch (media_type) {
case MEDIA_TYPE_FOOTAGE:
if (media_id >= 0) {
for (int j=0;j<loaded_media_items.size();j++) {
Footage* m = loaded_media_items.at(j)->to_footage();
if (m->save_id == media_id) {
c->media = loaded_media_items.at(j);
c->media_stream = stream_id;
break;
}
}
}
break;
}
// load links and effects
while (!cancelled && !(stream.name() == "clip" && stream.isEndElement()) && !stream.atEnd()) {
read_next(stream);
if (stream.isStartElement()) {
if (stream.name() == "linked") {
while (!cancelled && !(stream.name() == "linked" && stream.isEndElement()) && !stream.atEnd()) {
read_next(stream);
if (stream.name() == "link" && stream.isStartElement()) {
for (int k=0;k<stream.attributes().size();k++) {
const QXmlStreamAttribute& link_attr = stream.attributes().at(k);
if (link_attr.name() == "id") {
c->linked.append(link_attr.value().toInt());
break;
}
}
}
}
if (cancelled) return false;
} else if (stream.isStartElement() && (stream.name() == "effect" || stream.name() == "opening" || stream.name() == "closing")) {
// "opening" and "closing" are backwards compatibility code
load_effect(stream, c);
}
}
}
if (cancelled) return false;
s->clips.append(c);
}
}
if (cancelled) return false;
// correct links, clip IDs, transitions
for (int i=0;i<s->clips.size();i++) {
// correct links
Clip* correct_clip = s->clips.at(i);
for (int j=0;j<correct_clip->linked.size();j++) {
bool found = false;
for (int k=0;k<s->clips.size();k++) {
if (s->clips.at(k)->load_id == correct_clip->linked.at(j)) {
correct_clip->linked[j] = k;
found = true;
break;
}
}
if (!found) {
correct_clip->linked.removeAt(j);
j--;
if (QMessageBox::warning(mainWindow, "Invalid Clip Link", "This project contains an invalid clip link. It may be corrupt. Would you like to continue loading it?", QMessageBox::Yes, QMessageBox::No) == QMessageBox::No) {
delete s;
return false;
}
}
}
// re-link clips to transitions
if (correct_clip->opening_transition > -1) {
for (int j=0;j<transition_data.size();j++) {
if (transition_data.at(j).id == correct_clip->opening_transition) {
transition_data[j].otc = correct_clip;
}
}
}
if (correct_clip->closing_transition > -1) {
for (int j=0;j<transition_data.size();j++) {
if (transition_data.at(j).id == correct_clip->closing_transition) {
transition_data[j].ctc = correct_clip;
}
}
}
}
// create transitions
for (int i=0;i<transition_data.size();i++) {
const TransitionData& td = transition_data.at(i);
Clip* primary = td.otc;
Clip* secondary = td.ctc;
if (primary != NULL || secondary != NULL) {
if (primary == NULL) {
primary = secondary;
secondary = NULL;
}
const EffectMeta* meta = get_meta_from_name(td.name, (primary->track < 0) ? EFFECT_TYPE_VIDEO : EFFECT_TYPE_AUDIO);
if (meta == NULL) {
dout << "[WARNING] Failed to link transition with name:" << td.name;
if (td.otc != NULL) td.otc->opening_transition = -1;
if (td.ctc != NULL) td.ctc->closing_transition = -1;
} else {
emit start_create_dual_transition(&td, primary, secondary, meta);
waitCond.wait(&mutex);
}
}
}
Media* m = panel_project->new_sequence(NULL, s, false, parent);
loaded_sequences.append(m);
}
break;
}
}
}
if (cancelled) return false;
}
break;
}
}
return !cancelled;
}
Media* LoadThread::find_loaded_folder_by_id(int id) {
if (id == 0) return NULL;
for (int j=0;j<loaded_folders.size();j++) {
Media* parent_item = loaded_folders.at(j);
if (parent_item->temp_id == id) {
return parent_item;
}
}
return NULL;
}
void LoadThread::run() {
mutex.lock();
QFile file(project_url);
if (!file.open(QIODevice::ReadOnly)) {
dout << "[ERROR] Could not open file";
return;
}
/* set up directories to search for media
* most of the time, these will be the same but in
* case the project file has moved without the footage,
* we check both
*/
proj_dir = QFileInfo(project_url).absoluteDir();
internal_proj_dir = QFileInfo(project_url).absoluteDir();
internal_proj_url = project_url;
QXmlStreamReader stream(&file);
bool cont = false;
error_str.clear();
show_err = true;
// temp variables for loading (unnecessary?)
open_seq = NULL;
loaded_folders.clear();
loaded_media_items.clear();
loaded_clips.clear();
loaded_sequences.clear();
// get "element" count
current_element_count = 0;
total_element_count = 0;
while (!cancelled && !stream.atEnd()) {
stream.readNextStartElement();
if (is_element(stream)) {
total_element_count++;
}
}
cont = !cancelled;
// find project file version
cont = load_worker(file, stream, LOAD_TYPE_VERSION);
// find project's internal URL
cont = load_worker(file, stream, LOAD_TYPE_URL);
// load folders first
if (cont) {
cont = load_worker(file, stream, MEDIA_TYPE_FOLDER);
}
// load media
if (cont) {
// since folders loaded correctly, organize them appropriately
for (int i=0;i<loaded_folders.size();i++) {
Media* folder = loaded_folders.at(i);
int parent = folder->temp_id2;
project_model.appendChild(find_loaded_folder_by_id(parent), folder);
}
cont = load_worker(file, stream, MEDIA_TYPE_FOOTAGE);
}
// load sequences
if (cont) {
cont = load_worker(file, stream, MEDIA_TYPE_SEQUENCE);
}
if (!cancelled) {
if (!cont) {
xml_error = false;
if (show_err) emit error();
} else if (stream.hasError()) {
error_str = stream.errorString();
xml_error = true;
emit error();
cont = false;
} else {
// attach nested sequence clips to their sequences
for (int i=0;i<loaded_clips.size();i++) {
for (int j=0;j<loaded_sequences.size();j++) {
if (loaded_clips.at(i)->media == NULL && loaded_clips.at(i)->media_stream == loaded_sequences.at(j)->to_sequence()->save_id) {
loaded_clips.at(i)->media = loaded_sequences.at(j);
loaded_clips.at(i)->refresh();
break;
}
}
}
}
}
if (cont) {
emit success(); // run in main thread
for (int i=0;i<loaded_media_items.size();i++) {
panel_project->start_preview_generator(loaded_media_items.at(i), true);
}
}
file.close();
mutex.unlock();
}
void LoadThread::cancel() {
waitCond.wakeAll();
cancelled = true;
}
void LoadThread::error_func() {
if (xml_error) {
dout << "[ERROR] Error parsing XML." << error_str;
QMessageBox::critical(mainWindow, "XML Parsing Error", "Couldn't load '" + project_url + "'. " + error_str, QMessageBox::Ok);
} else {
QMessageBox::critical(mainWindow, "Project Load Error", "Error loading project: " + error_str, QMessageBox::Ok);
}
}
void LoadThread::success_func() {
if (autorecovery) {
QString orig_filename = internal_proj_url;
int insert_index = internal_proj_url.lastIndexOf(".ove", -1, Qt::CaseInsensitive);
if (insert_index == -1) insert_index = internal_proj_url.length();
int counter = 1;
while (QFileInfo::exists(orig_filename)) {
orig_filename = internal_proj_url;
QString recover_text = "recovered";
if (counter > 1) {
recover_text += " " + QString::number(counter);
}
orig_filename.insert(insert_index, " (" + recover_text + ")");
counter++;
}
mainWindow->updateTitle(orig_filename);
} else {
panel_project->add_recent_project(project_url);
}
mainWindow->setWindowModified(autorecovery);
if (open_seq != NULL) set_sequence(open_seq);
update_ui(false);
}
void LoadThread::create_effect_ui(
QXmlStreamReader* stream,
Clip* c,
int type,
const EffectMeta* meta,
long effect_length,
bool effect_enabled)
{
/* This is extremely hacky - prepare yourself.
*
* When moving project loading to a separate thread, it was soon discovered
* that effects wouldn't load correctly anymore. They were actually still
* "functional", but there were no controls appearing in EffectControls.
*
* Turns out since Effect creates its UI in its constructor, the UI was
* created in this thread rather than the main GUI thread, which is a big
* no-no. Unfortunately the design of Effect does not separate UI and data,
* so having the UI set up was integral to creating annd loading the effect.
*
* Therefore, rather than rewrite the class (I just rewrote QTreeWidget to
* QTreeView with a custom model/item so I'm exhausted), for
* quick-n-dirty-ness, I made LoadThread offload the effect creation to the
* main thread (and since the effect loads data from the same XML stream,
* the LoadThread has to wait for the effect to finish before it can
* continue.
*
* Sorry. I'll fix it one day.
*/
if (cancelled) return;
if (type == TA_NO_TRANSITION) {
Effect* e = create_effect(c, meta);
e->set_enabled(effect_enabled);
e->load(*stream);
c->effects.append(e);
} else {
int transition_index = create_transition(c, NULL, meta);
Transition* t = c->sequence->transitions.at(transition_index);
if (effect_length > -1) t->set_length(effect_length);
t->set_enabled(effect_enabled);
t->load(*stream);
if (type == TA_OPENING_TRANSITION) {
c->opening_transition = transition_index;
} else {
c->closing_transition = transition_index;
}
}
waitCond.wakeAll();
}
void LoadThread::create_dual_transition(const TransitionData* td, Clip* primary, Clip* secondary, const EffectMeta* meta) {
int transition_index = create_transition(primary, secondary, meta);
primary->sequence->transitions.at(transition_index)->set_length(td->length);
if (td->otc != NULL) td->otc->opening_transition = transition_index;
if (td->ctc != NULL) td->ctc->closing_transition = transition_index;
waitCond.wakeAll();
}
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