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LibVideo: Add a fast seeking mode to seek only to keyframes

Now that we're able to find the nearest keyframe, we can have a fast
seeking mode that only seeks to keyframes, so that it doesn't have to
also decode inter frames until it reaches the timestamp.

The default is still accurate seeking, so that the entire seeking
implementation can be tested.
This commit is contained in:
Zaggy1024 2022-11-13 20:33:23 -06:00 committed by Andreas Kling
parent eef8867d9e
commit fd3ffd88ce
5 changed files with 22 additions and 6 deletions

View file

@ -236,7 +236,10 @@ void PlaybackManager::seek_to_timestamp(Time timestamp)
m_frame_queue->clear();
m_next_frame.clear();
m_skipped_frames = 0;
m_seek_to_media_time = timestamp;
if (m_seek_mode == SeekMode::Accurate)
m_seek_to_media_time = timestamp;
else
m_seek_to_media_time = result.release_value();
m_last_present_in_media_time = Time::min();
m_last_present_in_real_time = Time::zero();
m_present_timer->stop();