Add configure option to disable EBUR128 analysis of audio.

[dcpomatic.git] / src / lib / analyse_audio_job.cc

diff --git a/src/lib/analyse_audio_job.cc b/src/lib/analyse_audio_job.cc
index d17c4c30bfb06b51b43594064b4e392b3c8a7a0e..d81f25caca7118d18e1254f08b3b78e714553ac1 100644 (file)
--- a/src/lib/analyse_audio_job.cc
+++ b/src/lib/analyse_audio_job.cc
@@ -27,6 +27,7 @@
 #include "playlist.h"
 #include "filter.h"
 #include "audio_filter_graph.h"
+#include "config.h"
 extern "C" {
 #include <libavutil/channel_layout.h>
 #ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG
@@ -116,7 +117,9 @@ AnalyseAudioJob::run ()
                for (DCPTime t = start; t < length; t += block) {
                        shared_ptr<const AudioBuffers> audio = player->get_audio (t, block, false);
 #ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG
-                       _ebur128->process (audio);
+                       if (Config::instance()->analyse_ebur128 ()) {
+                               _ebur128->process (audio);
+                       }
 #endif
                        analyse (audio);
                        set_progress ((t.seconds() - start.seconds()) / (length.seconds() - start.seconds()));
@@ -126,14 +129,16 @@ AnalyseAudioJob::run ()
        _analysis->set_sample_peak (_sample_peak, DCPTime::from_frames (_sample_peak_frame, _film->audio_frame_rate ()));
 
 #ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG
-       void* eb = _ebur128->get("Parsed_ebur128_0")->priv;
-       double true_peak = 0;
-       for (int i = 0; i < _film->audio_channels(); ++i) {
-               true_peak = max (true_peak, av_ebur128_get_true_peaks(eb)[i]);
+       if (Config::instance()->analyse_ebur128 ()) {
+               void* eb = _ebur128->get("Parsed_ebur128_0")->priv;
+               double true_peak = 0;
+               for (int i = 0; i < _film->audio_channels(); ++i) {
+                       true_peak = max (true_peak, av_ebur128_get_true_peaks(eb)[i]);
+               }
+               _analysis->set_true_peak (true_peak);
+               _analysis->set_integrated_loudness (av_ebur128_get_integrated_loudness(eb));
+               _analysis->set_loudness_range (av_ebur128_get_loudness_range(eb));
        }
-       _analysis->set_true_peak (true_peak);
-       _analysis->set_integrated_loudness (av_ebur128_get_integrated_loudness(eb));
-       _analysis->set_loudness_range (av_ebur128_get_loudness_range(eb));
 #endif
 
        if (_playlist->content().size() == 1) {