Remove swaroop variant.
[dcpomatic.git] / src / lib / ffmpeg_content.cc
index a3a1cfb0fd491da77b0b2ac23b6964fb75983309..ac62ac7f44870e6b979ced49e8bfa6f82e69cc16 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2019 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -30,6 +30,7 @@
 #include "filter.h"
 #include "film.h"
 #include "log.h"
+#include "config.h"
 #include "exceptions.h"
 #include "frame_rate_change.h"
 #include "text_content.h"
@@ -56,14 +57,15 @@ using boost::shared_ptr;
 using boost::dynamic_pointer_cast;
 using boost::optional;
 using dcp::raw_convert;
+using namespace dcpomatic;
 
 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
 int const FFmpegContentProperty::FILTERS = 102;
+int const FFmpegContentProperty::KDM = 103;
 
 FFmpegContent::FFmpegContent (boost::filesystem::path p)
        : Content (p)
-       , _encrypted (false)
 {
 
 }
@@ -124,8 +126,6 @@ FFmpegContent::FFmpegContent (cxml::ConstNodePtr node, int version, list<string>
        _color_trc = get_optional_enum<AVColorTransferCharacteristic>(node, "ColorTransferCharacteristic");
        _colorspace = get_optional_enum<AVColorSpace>(node, "Colorspace");
        _bits_per_pixel = node->optional_number_child<int> ("BitsPerPixel");
-       _decryption_key = node->optional_string_child ("DecryptionKey");
-       _encrypted = node->optional_bool_child("Encrypted").get_value_or(false);
 }
 
 FFmpegContent::FFmpegContent (vector<shared_ptr<Content> > c)
@@ -187,7 +187,6 @@ FFmpegContent::FFmpegContent (vector<shared_ptr<Content> > c)
        _color_trc = ref->_color_trc;
        _colorspace = ref->_colorspace;
        _bits_per_pixel = ref->_bits_per_pixel;
-       _encrypted = ref->_encrypted;
 }
 
 void
@@ -247,12 +246,6 @@ FFmpegContent::as_xml (xmlpp::Node* node, bool with_paths) const
        if (_bits_per_pixel) {
                node->add_child("BitsPerPixel")->add_child_text (raw_convert<string> (*_bits_per_pixel));
        }
-       if (_decryption_key) {
-               node->add_child("DecryptionKey")->add_child_text (_decryption_key.get());
-       }
-       if (_encrypted) {
-               node->add_child("Encypted")->add_child_text ("1");
-       }
 }
 
 void
@@ -261,7 +254,9 @@ FFmpegContent::examine (shared_ptr<const Film> film, shared_ptr<Job> job)
        ChangeSignaller<Content> cc1 (this, FFmpegContentProperty::SUBTITLE_STREAMS);
        ChangeSignaller<Content> cc2 (this, FFmpegContentProperty::SUBTITLE_STREAM);
 
-       job->set_progress_unknown ();
+       if (job) {
+               job->set_progress_unknown ();
+       }
 
        Content::examine (film, job);
 
@@ -317,13 +312,19 @@ FFmpegContent::examine (shared_ptr<const Film> film, shared_ptr<Job> job)
                        text.push_back (shared_ptr<TextContent> (new TextContent (this, TEXT_OPEN_SUBTITLE, TEXT_UNKNOWN)));
                        _subtitle_stream = _subtitle_streams.front ();
                }
-
-               _encrypted = first_path.extension() == ".ecinema";
        }
 
        if (examiner->has_video ()) {
                set_default_colour_conversion ();
        }
+
+       if (examiner->has_video() && examiner->pulldown() && video_frame_rate() && fabs(*video_frame_rate() - 29.97) < 0.001) {
+               /* FFmpeg has detected this file as 29.97 and the examiner thinks it is using "soft" 2:3 pulldown (telecine).
+                * This means we can treat it as a 23.976fps file.
+                */
+               set_video_frame_rate (24000.0 / 1001);
+               video->set_length (video->length() * 24.0 / 30);
+       }
 }
 
 string
@@ -516,8 +517,10 @@ FFmpegContent::add_properties (shared_ptr<const Film> film, list<UserProperty>&
                video->add_properties (p);
 
                if (_bits_per_pixel) {
-                       int const sub = 219 * pow (2, _bits_per_pixel.get() - 8);
-                       int const total = pow (2, _bits_per_pixel.get());
+                       /* Assuming there's three components, so bits per pixel component is _bits_per_pixel / 3 */
+                       int const lim_start = pow(2, _bits_per_pixel.get() / 3 - 4);
+                       int const lim_end = 235 * pow(2, _bits_per_pixel.get() / 3 - 8);
+                       int const total = pow(2, _bits_per_pixel.get() / 3);
 
                        switch (_color_range.get_value_or(AVCOL_RANGE_UNSPECIFIED)) {
                        case AVCOL_RANGE_UNSPECIFIED:
@@ -530,7 +533,7 @@ FFmpegContent::add_properties (shared_ptr<const Film> film, list<UserProperty>&
                                /// file is limited, so that not all possible values are valid.
                                p.push_back (
                                        UserProperty (
-                                               UserProperty::VIDEO, _("Colour range"), String::compose (_("Limited (%1-%2)"), (total - sub) / 2, (total + sub) / 2)
+                                               UserProperty::VIDEO, _("Colour range"), String::compose(_("Limited (%1-%2)"), lim_start, lim_end)
                                                )
                                        );
                                break;
@@ -686,3 +689,4 @@ FFmpegContent::take_settings_from (shared_ptr<const Content> c)
        Content::take_settings_from (c);
        _filters = fc->_filters;
 }
+