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VideoPlayer: Make PlaybackManager use OwnPtr

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VideoPlayerWidget was keeping a reference to PlaybackManager when
changing files, so the old and new managers would both send frames to
be presented at the same time, causing it to flicker back and forth
between the two videos. However, PlaybackManager no longer relies on
event bubbling to pass events to its parent. By changing it to send
events directly to an Object, it can avoid being ref counted, so that
it will get destroyed with its containing object and stop sending
events.
This commit is contained in:
Zaggy1024
2022-11-11 07:55:20 -06:00
committed by Linus Groh
parent 5925d3b26b
commit 87aed17a46
4 changed files with 23 additions and 31 deletions
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9
Userland/Applications/VideoPlayer/VideoPlayerWidget.cpp
View File

@@ -69,9 +69,15 @@ VideoPlayerWidget::VideoPlayerWidget(GUI::Window& window)
m_volume_slider->set_fixed_width(100);
}
void VideoPlayerWidget::close_file()
{
if (m_playback_manager)
m_playback_manager = nullptr;
}
void VideoPlayerWidget::open_file(StringView filename)
{
auto load_file_result = Video::PlaybackManager::from_file(this, filename);
auto load_file_result = Video::PlaybackManager::from_file(*this, filename);
if (load_file_result.is_error()) {
on_decoding_error(load_file_result.release_error());
@@ -81,6 +87,7 @@ void VideoPlayerWidget::open_file(StringView filename)
m_path = filename;
update_title();
close_file();
m_playback_manager = load_file_result.release_value();
resume_playback();
}