From c91f1e6aed0eebe98363ff9d5ba5bf87c6acb48e Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Thu, 23 Oct 2025 21:40:47 +0200
Subject: Make it possible to not write audio analysis files.

---
 src/lib/analyse_audio_job.cc | 10 ++++++----
 src/lib/analyse_audio_job.h  |  8 ++++----
 src/lib/job_manager.cc       |  2 +-
 3 files changed, 11 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/lib/analyse_audio_job.cc b/src/lib/analyse_audio_job.cc
index 4596bd431..cd6a2bbd6 100644
--- a/src/lib/analyse_audio_job.cc
+++ b/src/lib/analyse_audio_job.cc
@@ -41,6 +41,7 @@ using std::shared_ptr;
 using std::string;
 using std::vector;
 using namespace dcpomatic;
+using boost::optional;
 #if BOOST_VERSION >= 106100
 using namespace boost::placeholders;
 #endif
@@ -50,11 +51,11 @@ using namespace boost::placeholders;
  *  to analyse just the single piece of content in the playlist (i.e. start from Playlist::start() and do not
  *  use processors).
  */
-AnalyseAudioJob::AnalyseAudioJob(shared_ptr<const Film> film, shared_ptr<const Playlist> playlist, bool whole_film)
+AnalyseAudioJob::AnalyseAudioJob(shared_ptr<const Film> film, shared_ptr<const Playlist> playlist, bool whole_film, optional<boost::filesystem::path> path)
 	: Job(film)
 	, _analyser(film, playlist, whole_film, boost::bind(&Job::set_progress, this, _1, false))
 	, _playlist(playlist)
-	, _path(film->audio_analysis_path(playlist))
+	, _path(path)
 	, _whole_film(whole_film)
 {
 	LOG_DEBUG_AUDIO_ANALYSIS_NC("AnalyseAudioJob::AnalyseAudioJob");
@@ -111,8 +112,9 @@ AnalyseAudioJob::run()
 	LOG_DEBUG_AUDIO_ANALYSIS_NC("Loop complete");
 
 	_analyser.finish();
-	auto analysis = _analyser.get();
-	analysis.write(_path);
+	if (_path) {
+		analysis().write(*_path);
+	}
 
 	LOG_DEBUG_AUDIO_ANALYSIS_NC("Job finished");
 	set_progress(1);
diff --git a/src/lib/analyse_audio_job.h b/src/lib/analyse_audio_job.h
index 5aea9e13d..fe3d9d0b6 100644
--- a/src/lib/analyse_audio_job.h
+++ b/src/lib/analyse_audio_job.h
@@ -50,7 +50,7 @@ class Playlist;
 class AnalyseAudioJob : public Job
 {
 public:
-	AnalyseAudioJob(std::shared_ptr<const Film>, std::shared_ptr<const Playlist>, bool whole_film);
+	AnalyseAudioJob(std::shared_ptr<const Film>, std::shared_ptr<const Playlist>, bool whole_film, boost::optional<boost::filesystem::path> path);
 	~AnalyseAudioJob();
 
 	std::string name() const override;
@@ -60,7 +60,7 @@ public:
 		return true;
 	}
 
-	boost::filesystem::path path() const {
+	boost::optional<boost::filesystem::path> path() const {
 		return _path;
 	}
 
@@ -71,8 +71,8 @@ private:
 	AudioAnalyser _analyser;
 
 	std::shared_ptr<const Playlist> _playlist;
-	/** playlist's audio analysis path when the job was created */
-	boost::filesystem::path _path;
+	/** Path to write analysis file to */
+	boost::optional<boost::filesystem::path> _path;
 	bool _whole_film;
 
 	static const int _num_points;
diff --git a/src/lib/job_manager.cc b/src/lib/job_manager.cc
index c429dab6e..3c6566727 100644
--- a/src/lib/job_manager.cc
+++ b/src/lib/job_manager.cc
@@ -251,7 +251,7 @@ JobManager::analyse_audio(
 	{
 		boost::mutex::scoped_lock lm(_mutex);
 
-		job = make_shared<AnalyseAudioJob>(film, playlist, from_zero);
+		job = make_shared<AnalyseAudioJob>(film, playlist, from_zero, film->audio_analysis_path(playlist));
 		connection = job->Finished.connect(ready);
 		_jobs.push_back(job);
 		_schedule_condition.notify_all();
-- 
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