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added #114

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This commit is contained in:
itsmattkc
2018-08-26 19:06:05 +10:00
parent 9ef6edf85f
commit a4246d1235
6 changed files with 99 additions and 42 deletions
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ui/viewerwidget.cpp
+75 -29
View File
@@ -17,6 +17,7 @@
#include <QAudioOutput>
#include <QOpenGLShaderProgram>
#include <QtMath>
#include <QOpenGLFramebufferObject>
extern "C" {
#include <libavformat/avformat.h>
@@ -27,7 +28,8 @@ ViewerWidget::ViewerWidget(QWidget *parent) :
multithreaded(true),
force_audio(false),
enable_paint(true),
flip(false)
flip(false),
fbo(NULL)
{
QSurfaceFormat format;
format.setDepthBufferSize(24);
@@ -59,15 +61,15 @@ void ViewerWidget::retry() {
update();
}
void ViewerWidget::initializeGL() {
void ViewerWidget::initializeGL() {
/*if (fbo != NULL) {
delete fbo;
fbo = NULL;
}*/
connect(context(), SIGNAL(aboutToBeDestroyed()), this, SLOT(deleteFunction()));
initializeOpenGLFunctions();
glClearColor(0, 0, 0, 1);
glMatrixMode(GL_PROJECTION);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
initializeOpenGLFunctions();
update();
}
@@ -80,6 +82,28 @@ void ViewerWidget::paintEvent(QPaintEvent *e) {
if (enable_paint) QOpenGLWidget::paintEvent(e);
}
GLuint ViewerWidget::draw_clip(GLuint texture) {
glPushMatrix();
glLoadIdentity();
glOrtho(0, 1, 0, 1, -1, 1);
fbo->bind();
glBindTexture(GL_TEXTURE_2D, texture);
glBegin(GL_QUADS);
glTexCoord2f(0, 0); // top left
glVertex2f(0, 0); // top left
glTexCoord2f(1, 0); // top right
glVertex2f(1, 0); // top right
glTexCoord2f(1, 1); // bottom right
glVertex2f(1, 1); // bottom right
glTexCoord2f(0, 1); // bottom left
glVertex2f(0, 1); // bottom left
glEnd();
glBindTexture(GL_TEXTURE_2D, NULL);
fbo->release();
glPopMatrix();
return fbo->takeTexture();
}
void ViewerWidget::compose_sequence(QVector<Clip*>& nests, bool render_audio) {
Sequence* s = sequence;
long playhead = panel_timeline->playhead;
@@ -160,17 +184,23 @@ void ViewerWidget::compose_sequence(QVector<Clip*>& nests, bool render_audio) {
if (c->texture == NULL) {
qDebug() << "[WARNING] Texture hasn't been created yet";
texture_failed = true;
} else if (playhead >= c->timeline_in) {
MediaStream* ms = static_cast<Media*>(c->media)->get_stream_from_file_index(c->track < 0, c->media_stream);
} else if (playhead >= c->timeline_in) {
MediaStream* ms = static_cast<Media*>(c->media)->get_stream_from_file_index(c->track < 0, 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 = sequence->width/2;
int half_height = sequence->height/2;
if (flip) half_height = -half_height;
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glColor4f(1.0, 1.0, 1.0, 1.0);
glLoadIdentity();
glOrtho(-half_width, half_width, half_height, -half_height, -1, 1);
glViewport(0, 0, ms->video_width, ms->video_height);
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);
// TEMP DEBUG CODE
if (fbo != NULL) delete fbo;
fbo = new QOpenGLFramebufferObject(ms->video_width, ms->video_height);
GLuint composite_texture = draw_clip(c->texture->textureId());
// END
GLTextureCoords coords;
coords.vertexTopLeftX = coords.vertexBottomLeftX = -ms->video_width/2;
@@ -180,11 +210,13 @@ void ViewerWidget::compose_sequence(QVector<Clip*>& nests, bool render_audio) {
coords.textureTopLeftY = coords.textureTopRightY = coords.textureTopLeftX = coords.textureBottomLeftX = 0;
coords.textureBottomLeftY = coords.textureBottomRightY = coords.textureTopRightX = coords.textureBottomRightX = 1.0;
// EFFECT CODE START
for (int j=0;j<c->effects.size();j++) {
if (c->effects.at(j)->enable_opengl && c->effects.at(j)->is_enabled()) {
c->effects.at(j)->process_gl(((double)(panel_timeline->playhead-c->timeline_in+c->clip_in)/(double)sequence->frame_rate), coords);
composite_texture = draw_clip(composite_texture);
}
}
}
if (c->opening_transition != NULL) {
int transition_progress = playhead - c->timeline_in;
@@ -199,10 +231,22 @@ void ViewerWidget::compose_sequence(QVector<Clip*>& nests, bool render_audio) {
c->closing_transition->process_transition((double)transition_progress/(double)c->closing_transition->length);
}
}
// EFFECT CODE END
c->texture->bind();
for (int j=0;j<c->effects.size();j++) {
if (c->effects.at(j)->enable_opengl && c->effects.at(j)->is_enabled()) {
c->effects.at(j)->clean_gl();
}
}
glBegin(GL_QUADS);
glViewport(0, 0, width(), height());
glBindTexture(GL_TEXTURE_2D, composite_texture);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glBegin(GL_QUADS);
glTexCoord2f(coords.textureTopLeftX, coords.textureTopLeftY); // top left
glVertex2f(coords.vertexTopLeftX, coords.vertexTopLeftY); // top left
glTexCoord2f(coords.textureTopRightX, coords.textureTopRightY); // top right
@@ -211,15 +255,9 @@ void ViewerWidget::compose_sequence(QVector<Clip*>& nests, bool render_audio) {
glVertex2f(coords.vertexBottomRightX, coords.vertexBottomRightY); // bottom right
glTexCoord2f(coords.textureBottomLeftX, coords.textureBottomLeftY); // bottom left
glVertex2f(coords.vertexBottomLeftX, coords.vertexBottomLeftY); // bottom left
glEnd();
glEnd();
c->texture->release();
for (int j=0;j<c->effects.size();j++) {
if (c->effects.at(j)->enable_opengl && c->effects.at(j)->is_enabled()) {
c->effects.at(j)->clean_gl();
}
}
glDeleteTextures(1, &composite_texture);
}
} else if (render_audio &&
c->stream->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
@@ -227,7 +265,7 @@ void ViewerWidget::compose_sequence(QVector<Clip*>& nests, bool render_audio) {
// clip is not caching, start caching audio
cache_clip(c, playhead, false, false, c->audio_reset, nest);
c->lock.unlock();
}
}
break;
case MEDIA_TYPE_SEQUENCE:
nests.append(c);
@@ -239,6 +277,11 @@ void ViewerWidget::compose_sequence(QVector<Clip*>& nests, bool render_audio) {
}
void ViewerWidget::paintGL() {
glClearColor(0, 0, 0, 1);
glMatrixMode(GL_PROJECTION);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
bool loop = true;
while (loop) {
loop = false;
@@ -261,4 +304,7 @@ void ViewerWidget::paintGL() {
}
}
}
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
}