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nested sequences mostly implemented

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This commit is contained in:
itsmattkc
2018-07-29 20:25:45 +01:00
parent 5862242111
commit 4700d02e6f
18 changed files with 215 additions and 107 deletions
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ui/viewerwidget.cpp
+60 -46
View File
@@ -20,12 +20,13 @@ extern "C" {
#include <libavformat/avformat.h>
}
ViewerWidget::ViewerWidget(QWidget *parent) : QOpenGLWidget(parent) {
multithreaded = true;
enable_paint = true;
force_audio = false;
flip = false;
ViewerWidget::ViewerWidget(QWidget *parent) :
QOpenGLWidget(parent),
multithreaded(true),
force_audio(false),
enable_paint(true),
flip(false)
{
QSurfaceFormat format;
format.setDepthBufferSize(24);
setFormat(format);
@@ -86,24 +87,52 @@ void ViewerWidget::paintEvent(QPaintEvent *e) {
if (enable_paint) QOpenGLWidget::paintEvent(e);
}
void ViewerWidget::compose_sequence(Sequence *s, bool render_audio) {
void ViewerWidget::compose_sequence(Clip* nest, bool render_audio) {
Sequence* s = sequence;
long playhead = panel_timeline->playhead;
if (nest != NULL) {
s = static_cast<Sequence*>(nest->media);
// qDebug() << "nested sequence was null:" << (s == NULL);
playhead += nest->clip_in - nest->timeline_in;
playhead = refactor_frame_number(playhead, sequence->frame_rate, s->frame_rate);
}
QVector<Clip*> current_clips;
for (int i=0;i<s->clip_count();i++) {
Clip* c = s->get_clip(i);
// if clip starts within one second and/or hasn't finished yet
if (c != NULL && c->media_type == MEDIA_TYPE_FOOTAGE) {
Media* m = static_cast<Media*>(c->media);
if (m->ready
&& m->get_stream_from_file_index(c->media_stream) != NULL
&& is_clip_active(c, panel_timeline->playhead)) {
// if thread is already working, we don't want to touch this,
// but we also don't want to hang the UI thread
if (!c->open) {
open_clip(c, multithreaded);
}
if (c != NULL && !(nest != NULL && c->track != nest->track)) {
bool clip_is_active = false;
switch (c->media_type) {
case MEDIA_TYPE_FOOTAGE:
{
Media* m = static_cast<Media*>(c->media);
if (m->ready
&& m->get_stream_from_file_index(c->media_stream) != NULL
&& is_clip_active(c, playhead)) {
// if thread is already working, we don't want to touch this,
// but we also don't want to hang the UI thread
if (!c->open) {
open_clip(c, multithreaded);
}
clip_is_active = true;
} else if (c->open) {
close_clip(c);
}
}
break;
case MEDIA_TYPE_SEQUENCE:
clip_is_active = true;
break;
}
if (clip_is_active) {
bool added = false;
for (int j=0;j<current_clips.size();j++) {
if (current_clips.at(j)->track < c->track) {
@@ -115,8 +144,6 @@ void ViewerWidget::compose_sequence(Sequence *s, bool render_audio) {
if (!added) {
current_clips.append(c);
}
} else if (c->open) {
close_clip(c);
}
}
}
@@ -124,52 +151,38 @@ void ViewerWidget::compose_sequence(Sequence *s, bool render_audio) {
for (int i=0;i<current_clips.size();i++) {
Clip* c = current_clips.at(i);
if (!c->finished_opening) {
if (c->media_type == MEDIA_TYPE_FOOTAGE && !c->finished_opening) {
qDebug() << "[WARNING] Tried to display clip" << i << "but it's closed";
texture_failed = true;
} else if (is_clip_active(c, panel_timeline->playhead)) {
} else {
switch (c->media_type) {
case MEDIA_TYPE_FOOTAGE:
if (c->stream->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
// start preparing cache
get_clip_frame(c, panel_timeline->playhead);
get_clip_frame(c, playhead);
if (c->texture == NULL) {
qDebug() << "[WARNING] Texture hasn't been created yet";
texture_failed = true;
} else if (panel_timeline->playhead >= c->timeline_in) {
} else if (playhead >= c->timeline_in) {
MediaStream* ms = static_cast<Media*>(c->media)->get_stream_from_file_index(c->media_stream);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(1.0, 1.0, 1.0, 1.0);
glLoadIdentity();
int half_width = s->width/2;
int half_height = s->height/2;
if (flip) {
glOrtho(-half_width, half_width, -half_height, half_height, -1, 1);
} else {
glOrtho(-half_width, half_width, half_height, -half_height, -1, 1);
}
int half_width = sequence->width/2;
int half_height = sequence->height/2;
if (flip) half_height = -half_height;
glOrtho(-half_width, half_width, half_height, -half_height, -1, 1);
int anchor_x = ms->video_width/2;
int anchor_y = ms->video_height/2;
// perform all transform effects
for (int j=0;j<c->effects.size();j++) {
if (c->effects.at(j)->is_enabled()) c->effects.at(j)->process_gl(&anchor_x, &anchor_y);
}
c->run_video_pre_effect_stack(playhead, &anchor_x, &anchor_y);
if (c->opening_transition != NULL) {
int transition_progress = panel_timeline->playhead-c->timeline_in;
if (transition_progress < c->opening_transition->length) {
c->opening_transition->process_transition((float)transition_progress/(float)c->opening_transition->length);
}
}
if (c->closing_transition != NULL) {
int transition_progress = c->closing_transition->length-(panel_timeline->playhead-c->timeline_in-c->getLength()+c->closing_transition->length);
if (transition_progress < c->closing_transition->length) {
c->closing_transition->process_transition((float)transition_progress/(float)c->closing_transition->length);
}
if (nest != NULL) {
nest->run_video_pre_effect_stack(playhead, &anchor_x, &anchor_y);
}
int anchor_right = ms->video_width - anchor_x;
@@ -199,11 +212,12 @@ void ViewerWidget::compose_sequence(Sequence *s, bool render_audio) {
c->stream->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
c->lock.tryLock()) {
// clip is not caching, start caching audio
cache_clip(c, panel_timeline->playhead, false, false, c->reset_audio);
cache_clip(c, playhead, false, false, c->audio_reset, nest);
c->lock.unlock();
}
break;
case MEDIA_TYPE_SEQUENCE:
compose_sequence(c, render_audio);
break;
}
}
@@ -221,7 +235,7 @@ void ViewerWidget::paintGL() {
glClear(GL_COLOR_BUFFER_BIT);
// compose video preview
compose_sequence(sequence, (panel_timeline->playing || force_audio));
compose_sequence(NULL, (panel_timeline->playing || force_audio));
// send audio to IO device
if (panel_timeline->playing) {