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Merge pull request #628 from AttorneyOnline/fix/msvc-aolayer-freeze

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Fix MSVC builds freezing due to AOLayer concurrency issue
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oldmud0 2022-01-06 08:23:41 -06:00 committed by GitHub
commit 9f09af1c39
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 19 additions and 12 deletions
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4
CMakeLists.txt
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@ -31,9 +31,9 @@ endif()
target_include_directories(Attorney_Online PRIVATE include)
# Target Lib
find_package(Qt5 COMPONENTS Core Gui Network Widgets REQUIRED)
find_package(Qt5 COMPONENTS Core Gui Network Widgets Concurrent REQUIRED)
target_link_directories(Attorney_Online PRIVATE lib)
target_link_libraries(Attorney_Online PRIVATE Qt5::Core Qt5::Gui Qt5::Network Qt5::Widgets
target_link_libraries(Attorney_Online PRIVATE Qt5::Core Qt5::Gui Qt5::Network Qt5::Widgets Qt5::Concurrent
bass bassopus discord-rpc)
target_compile_definitions(Attorney_Online PRIVATE DISCORD)

2
include/aolayer.h
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@ -148,7 +148,7 @@ private:
// used in populate_vectors
void load_next_frame();
bool exit_loop; //awful solution but i'm not fucking using QThread
std::atomic_bool exit_loop; //awful solution but i'm not fucking using QThread
QFuture<void> frame_loader;
QMutex mutex;
QWaitCondition frameAdded;

25
src/aolayer.cpp
View File

@ -4,6 +4,8 @@
#include "file_functions.h"
#include "misc_functions.h"
static QThreadPool *thread_pool;
AOLayer::AOLayer(QWidget *p_parent, AOApplication *p_ao_app) : QLabel(p_parent)
{
ao_app = p_ao_app;
@ -22,6 +24,11 @@ AOLayer::AOLayer(QWidget *p_parent, AOApplication *p_ao_app) : QLabel(p_parent)
preanim_timer = new QTimer(this);
preanim_timer->setSingleShot(true);
connect(preanim_timer, &QTimer::timeout, this, &AOLayer::preanim_done);
if (!thread_pool) {
thread_pool = new QThreadPool(p_ao_app);
thread_pool->setMaxThreadCount(8);
}
}
BackgroundLayer::BackgroundLayer(QWidget *p_parent, AOApplication *p_ao_app)
@ -319,7 +326,7 @@ void AOLayer::start_playback(QString p_image)
frame = 0;
continuous = false;
}
frame_loader = QtConcurrent::run(this, &AOLayer::populate_vectors);
frame_loader = QtConcurrent::run(thread_pool, this, &AOLayer::populate_vectors);
last_path = p_image;
while (movie_frames.size() <= frame) // if we haven't loaded the frame we need yet
frameAdded.wait(&mutex); // wait for the frame loader to add another frame, then check again
@ -538,11 +545,11 @@ void AOLayer::movie_ticker()
else
frame = 0;
}
mutex.lock();
while (frame >= movie_frames.size() && frame < max_frames) { // oops! our frame isn't ready yet
{
QMutexLocker locker(&mutex);
while (frame >= movie_frames.size() && frame < max_frames) // oops! our frame isn't ready yet
frameAdded.wait(&mutex); // wait for a new frame to be added, then check again
}
mutex.unlock();
#ifdef DEBUG_MOVIE
qDebug() << "[AOLayer::movie_ticker] Frame:" << frame << "Delay:" << movie_delays[frame]
<< "Actual time taken from last frame:" << actual_time.restart();
@ -552,7 +559,7 @@ void AOLayer::movie_ticker()
}
void AOLayer::populate_vectors() {
while (movie_frames.size() < max_frames && !exit_loop) {
while (!exit_loop && movie_frames.size() < max_frames) {
load_next_frame();
#ifdef DEBUG_MOVIE
qDebug() << "[AOLayer::populate_vectors] Loaded frame" << movie_frames.size();
@ -562,12 +569,12 @@ void AOLayer::populate_vectors() {
}
void AOLayer::load_next_frame() {
//QMutexLocker locker(&mutex);
mutex.lock();
{
QMutexLocker locker(&mutex);
movie_frames.append(this->get_pixmap(m_reader.read()));
movie_delays.append(m_reader.nextImageDelay());
mutex.unlock();
frameAdded.wakeAll();
}
frameAdded.wakeAll();
}
void CharLayer::preanim_done()