Method update_open_clips

src/Timeline.cpp:745–788

Update the list of 'opened' clips

// Update the list of 'opened' clips
void Timeline::update_open_clips(Clip *clip, bool does_clip_intersect)
{
	// Get lock (prevent getting frames while this happens)
	const std::lock_guard<std::recursive_mutex> guard(getFrameMutex);

	ZmqLogger::Instance()->AppendDebugMethod(
		"Timeline::update_open_clips (before)",
		"does_clip_intersect", does_clip_intersect,
		"closing_clips.size()", closing_clips.size(),
		"open_clips.size()", open_clips.size());

	// is clip already in list?
	bool clip_found = open_clips.count(clip);

	if (clip_found && !does_clip_intersect)
	{
		// Remove clip from 'opened' list, because it's closed now
		open_clips.erase(clip);

		// Close clip
		clip->Close();
	}
	else if (!clip_found && does_clip_intersect)
	{
		// Add clip to 'opened' list, because it's missing
		open_clips[clip] = clip;

		try {
			// Open the clip
			clip->Open();

		} catch (const InvalidFile & e) {
			// ...
		}
	}

	// Debug output
	ZmqLogger::Instance()->AppendDebugMethod(
		"Timeline::update_open_clips (after)",
		"does_clip_intersect", does_clip_intersect,
		"clip_found", clip_found,
		"closing_clips.size()", closing_clips.size(),
		"open_clips.size()", open_clips.size());
}

// Calculate the max and min duration (in seconds) of the timeline, based on all the clips, and cache the value
void Timeline::calculate_max_duration() {