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LibWeb: Begin tracking HTMLMediaElement playback positions

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There are several playback positions to be tracked, depending on the
state of the media element.
This commit is contained in:
Timothy Flynn 2023-04-10 10:07:23 -04:00 • committed by Linus Groh
parent 6b51c3c1ce
commit 3d9106b1b5
5 changed files with 195 additions and 9 deletions
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9
Userland/Libraries/LibWeb/HTML/VideoTrack.cpp
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@ -5,6 +5,7 @@
*/
#include <AK/IDAllocator.h>
#include <AK/Time.h>
#include <LibGfx/Bitmap.h>
#include <LibJS/Runtime/Realm.h>
#include <LibJS/Runtime/VM.h>
@ -31,6 +32,9 @@ VideoTrack::VideoTrack(JS::Realm& realm, JS::NonnullGCPtr<HTMLMediaElement> medi
m_playback_manager->on_video_frame = [this](auto frame) {
if (is<HTMLVideoElement>(*m_media_element))
verify_cast<HTMLVideoElement>(*m_media_element).set_current_frame({}, move(frame));
auto playback_position_ms = static_cast<double>(position().to_milliseconds());
m_media_element->set_current_playback_position(playback_position_ms / 1000.0);
};
m_playback_manager->on_decoder_error = [](auto) {
@ -77,6 +81,11 @@ void VideoTrack::pause_video(Badge<HTMLVideoElement>)
m_playback_manager->pause_playback();
}
Time VideoTrack::position() const
{
return m_playback_manager->current_playback_time();
}
Time VideoTrack::duration() const
{
return m_playback_manager->selected_video_track().video_data().duration;