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fix no video shown

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This commit is contained in:
Mike-Solar
2026-01-05 13:52:02 +08:00
parent b107370550
commit cdc66d1a02
5 changed files with 100 additions and 28 deletions
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app/render/opengl/openglrenderer.cpp
+51 -13
View File
@@ -22,6 +22,7 @@
#include <QDateTime>
#include <QDebug>
#include <QOpenGLExtraFunctions>
#include <QRegularExpression>
#include "config/config.h"
@@ -834,28 +835,65 @@ void OpenGLRenderer::ClearDestinationInternal(double r, double g, double b,
GLuint OpenGLRenderer::CompileShader(GLenum type, const QString &code)
{
static const QString shader_preamble =
const bool is_gles = context_ && context_->isOpenGLES();
const int major = context_ ? context_->format().majorVersion() : 0;
const int minor = context_ ? context_->format().minorVersion() : 0;
const bool is_gles2 = is_gles && (major < 3);
const QString gles_preamble = is_gles2
? QStringLiteral("#version 100\n\n"
"precision highp float;\n\n"
"#define frag_color gl_FragColor\n")
: QStringLiteral("#version 300 es\n\n"
"precision highp float;\n\n");
const QString desktop_preamble =
// Use appropriate GL 3.2 shader header
QStringLiteral("#version 150\n\n"
"precision highp float;\n\n");
const QString shader_preamble = is_gles ? gles_preamble : desktop_preamble;
QString complete_code;
if (!code.startsWith(QStringLiteral("#version"))) {
complete_code = shader_preamble;
}
if (code.isEmpty()) {
QString base_code = code;
if (base_code.isEmpty()) {
// Use default code
if (type == GL_FRAGMENT_SHADER) {
complete_code.append(FileFunctions::ReadFileAsString(
QStringLiteral(":/shaders/default.frag")));
base_code = FileFunctions::ReadFileAsString(
QStringLiteral(":/shaders/default.frag"));
} else if (type == GL_VERTEX_SHADER) {
complete_code.append(FileFunctions::ReadFileAsString(
QStringLiteral(":/shaders/default.vert")));
base_code = FileFunctions::ReadFileAsString(
QStringLiteral(":/shaders/default.vert"));
}
}
QString complete_code;
if (base_code.startsWith(QStringLiteral("#version"))) {
if (is_gles || !desktop_preamble.startsWith(QStringLiteral("#version"))) {
int newline = base_code.indexOf('\n');
if (newline >= 0) {
complete_code = shader_preamble + base_code.mid(newline + 1);
} else {
complete_code = shader_preamble;
}
} else {
complete_code = base_code;
}
} else {
complete_code.append(code);
complete_code = shader_preamble + base_code;
}
if (is_gles2) {
if (type == GL_VERTEX_SHADER) {
complete_code.replace(QRegularExpression(QStringLiteral("\\bin\\b")),
QStringLiteral("attribute"));
complete_code.replace(QRegularExpression(QStringLiteral("\\bout\\b")),
QStringLiteral("varying"));
} else if (type == GL_FRAGMENT_SHADER) {
complete_code.replace(QRegularExpression(QStringLiteral("\\bin\\b")),
QStringLiteral("varying"));
complete_code.replace(QRegularExpression(
QStringLiteral("\\bout\\s+vec4\\s+frag_color\\s*;")),
QStringLiteral("// frag_color output"));
complete_code.replace(QRegularExpression(QStringLiteral("\\btexture\\b")),
QStringLiteral("texture2D"));
}
}
QByteArray code_utf8 = complete_code.toUtf8();
app/widget/timebased/timebasedwidget.cpp
+25 -14
View File
@@ -78,7 +78,7 @@ void TimeBasedWidget::SetScaleAndCenterOnPlayhead(const double &scale)
ViewerOutput *TimeBasedWidget::GetConnectedNode() const
{
return viewer_node_;
return viewer_node_.data();
}
void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
@@ -89,10 +89,17 @@ void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
}
// Set viewer node
ViewerOutput *old = viewer_node_;
ViewerOutput *old = viewer_node_.data();
viewer_node_ = node;
Current::getInstance().setCurrentVideoParams(viewer_node_->GetVideoParams());
Current::getInstance().setCurrentAudioParams(viewer_node_->GetAudioParams());
if (viewer_node_) {
Current::getInstance().setCurrentVideoParams(
viewer_node_->GetVideoParams());
Current::getInstance().setCurrentAudioParams(
viewer_node_->GetAudioParams());
} else {
Current::getInstance().setCurrentVideoParams(VideoParams());
Current::getInstance().setCurrentAudioParams(AudioParams());
}
if (old) {
// Call potential derivative functions for disconnecting the viewer node
DisconnectNodeEvent(old);
@@ -121,17 +128,17 @@ void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
// Call derivatives
for (TimeBasedView *view : timeline_views_) {
view->SetViewerNode(viewer_node_);
view->SetViewerNode(viewer_node_.data());
}
ConnectedNodeChangeEvent(viewer_node_);
ConnectedNodeChangeEvent(viewer_node_.data());
if (viewer_node_) {
// Connect length changed signal
connect(viewer_node_, &ViewerOutput::LengthChanged, this,
connect(viewer_node_.data(), &ViewerOutput::LengthChanged, this,
&TimeBasedWidget::UpdateMaximumScroll);
connect(viewer_node_, &ViewerOutput::RemovedFromGraph, this,
connect(viewer_node_.data(), &ViewerOutput::RemovedFromGraph, this,
&TimeBasedWidget::ConnectedNodeRemovedFromGraph);
connect(viewer_node_, &ViewerOutput::PlayheadChanged, this,
connect(viewer_node_.data(), &ViewerOutput::PlayheadChanged, this,
&TimeBasedWidget::PlayheadTimeChanged);
// Connect ruler and scrollbar to timeline points
@@ -141,14 +148,14 @@ void TimeBasedWidget::ConnectViewerNode(ViewerOutput *node)
// If we're setting the timebase, set it automatically based on the video and audio parameters
if (auto_set_timebase_) {
AutoUpdateTimebase();
connect(viewer_node_, &ViewerOutput::FrameRateChanged, this,
connect(viewer_node_.data(), &ViewerOutput::FrameRateChanged, this,
&TimeBasedWidget::AutoUpdateTimebase);
connect(viewer_node_, &ViewerOutput::SampleRateChanged, this,
connect(viewer_node_.data(), &ViewerOutput::SampleRateChanged, this,
&TimeBasedWidget::AutoUpdateTimebase);
}
// Call derivatives
ConnectNodeEvent(viewer_node_);
ConnectNodeEvent(viewer_node_.data());
}
UpdateMaximumScroll();
@@ -271,6 +278,10 @@ void TimeBasedWidget::SendCatchUpScrollEvent()
void TimeBasedWidget::AutoUpdateTimebase()
{
if (!viewer_node_) {
SetTimebase(rational());
return;
}
rational video_tb =
viewer_node_->GetVideoParams().frame_rate_as_time_base();
@@ -448,7 +459,7 @@ void TimeBasedWidget::ZoomOut()
void TimeBasedWidget::GoToPrevCut()
{
// Cuts are only possible in sequences
Sequence *sequence = dynamic_cast<Sequence *>(viewer_node_);
Sequence *sequence = dynamic_cast<Sequence *>(viewer_node_.data());
if (!sequence) {
return;
@@ -480,7 +491,7 @@ void TimeBasedWidget::GoToPrevCut()
void TimeBasedWidget::GoToNextCut()
{
// Cuts are only possible in sequences
Sequence *sequence = dynamic_cast<Sequence *>(viewer_node_);
Sequence *sequence = dynamic_cast<Sequence *>(viewer_node_.data());
if (!sequence) {
return;
app/widget/timebased/timebasedwidget.h
+2 -1
View File
@@ -19,6 +19,7 @@
#ifndef TIMEBASEDWIDGET_H
#define TIMEBASEDWIDGET_H
#include <QPointer>
#include <QWidget>
#include "node/output/viewer/viewer.h"
@@ -239,7 +240,7 @@ private:
bool UserIsDraggingPlayhead() const;
ViewerOutput *viewer_node_;
QPointer<ViewerOutput> viewer_node_;
TimeRuler *ruler_;