Rename video/audio/subtitle part methods.
[dcpomatic.git] / src / lib / analyse_audio_job.cc
index 5dba56598d9196f78fe2efab0466d587f45d1d65..fefb8bc16240cf0b80c9a5b4af35ffb7b91971cc 100644 (file)
 #include "playlist.h"
 #include "filter.h"
 #include "audio_filter_graph.h"
+#include "config.h"
 extern "C" {
 #include <libavutil/channel_layout.h>
+#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
+#include <libavfilter/f_ebur128.h>
+#endif
 }
 #include <boost/foreach.hpp>
 #include <iostream>
@@ -44,16 +48,6 @@ using boost::dynamic_pointer_cast;
 
 int const AnalyseAudioJob::_num_points = 1024;
 
-extern "C" {
-/* I added these functions to the FFmpeg that DCP-o-matic is built with, but there isn't an
-   existing header file to put the prototype in.  Cheat by putting it in here.
-*/
-double* av_ebur128_get_true_peaks         (void* context);
-double* av_ebur128_get_sample_peaks       (void* context);
-double  av_ebur128_get_integrated_loudness(void* context);
-double  av_ebur128_get_loudness_range     (void* context);
-}
-
 AnalyseAudioJob::AnalyseAudioJob (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist)
        : Job (film)
        , _playlist (playlist)
@@ -62,10 +56,14 @@ AnalyseAudioJob::AnalyseAudioJob (shared_ptr<const Film> film, shared_ptr<const
        , _current (0)
        , _sample_peak (0)
        , _sample_peak_frame (0)
-       , _ebur128 (new AudioFilterGraph (film->audio_frame_rate(), av_get_default_channel_layout(film->audio_channels())))
+#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
+       , _ebur128 (new AudioFilterGraph (film->audio_frame_rate(), film->audio_channels()))
+#endif
 {
+#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
        _filters.push_back (new Filter ("ebur128", "ebur128", "audio", "ebur128=peak=true"));
        _ebur128->setup (_filters);
+#endif
 }
 
 AnalyseAudioJob::~AnalyseAudioJob ()
@@ -108,7 +106,7 @@ AnalyseAudioJob::run ()
 
        bool has_any_audio = false;
        BOOST_FOREACH (shared_ptr<Content> c, _playlist->content ()) {
-               if (dynamic_pointer_cast<AudioContent> (c)) {
+               if (c->audio) {
                        has_any_audio = true;
                }
        }
@@ -118,7 +116,11 @@ AnalyseAudioJob::run ()
                DCPTime const block = DCPTime::from_seconds (1.0 / 8);
                for (DCPTime t = start; t < length; t += block) {
                        shared_ptr<const AudioBuffers> audio = player->get_audio (t, block, false);
-                       _ebur128->process (audio);
+#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
+                       if (Config::instance()->analyse_ebur128 ()) {
+                               _ebur128->process (audio);
+                       }
+#endif
                        analyse (audio);
                        set_progress ((t.seconds() - start.seconds()) / (length.seconds() - start.seconds()));
                }
@@ -126,22 +128,26 @@ AnalyseAudioJob::run ()
 
        _analysis->set_sample_peak (_sample_peak, DCPTime::from_frames (_sample_peak_frame, _film->audio_frame_rate ()));
 
-       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]);
+#ifdef DCPOMATIC_HAVE_EBUR128_PATCHED_FFMPEG
+       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) {
                /* If there was only one piece of content in this analysis we may later need to know what its
                   gain was when we analysed it.
                */
-               shared_ptr<const AudioContent> ac = dynamic_pointer_cast<const AudioContent> (_playlist->content().front ());
+               shared_ptr<const AudioContent> ac = _playlist->content().front()->audio;
                DCPOMATIC_ASSERT (ac);
-               _analysis->set_analysis_gain (ac->audio_gain ());
+               _analysis->set_analysis_gain (ac->gain ());
        }
 
        _analysis->write (_film->audio_analysis_path (_playlist));