Make BitsPerPixel tag optional; fix some confusions with colour range reporting in...

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

diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc
index f8a1a142a75b40dcb5877ec33d5097319d00f400..071f9861281cb2d236a7ad3c3c518b888a198d7b 100644 (file)
--- a/src/lib/ffmpeg_content.cc
+++ b/src/lib/ffmpeg_content.cc
@@ -109,7 +109,7 @@ FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr no
                node->optional_number_child<int>("ColorTransferCharacteristic").get_value_or (AVCOL_TRC_UNSPECIFIED)
                );
        _colorspace = static_cast<AVColorSpace> (node->optional_number_child<int>("Colorspace").get_value_or (AVCOL_SPC_UNSPECIFIED));
-       _bits_per_pixel = static_cast<int> (node->number_child<int> ("BitsPerPixel"));
+       _bits_per_pixel = node->optional_number_child<int> ("BitsPerPixel");
 
 }
 
@@ -170,7 +170,9 @@ FFmpegContent::as_xml (xmlpp::Node* node) const
        node->add_child("ColorPrimaries")->add_child_text (raw_convert<string> (_color_primaries));
        node->add_child("ColorTransferCharacteristic")->add_child_text (raw_convert<string> (_color_trc));
        node->add_child("Colorspace")->add_child_text (raw_convert<string> (_colorspace));
-       node->add_child("BitsPerPixel")->add_child_text (raw_convert<string> (_bits_per_pixel));
+       if (_bits_per_pixel) {
+               node->add_child("BitsPerPixel")->add_child_text (raw_convert<string> (_bits_per_pixel.get ()));
+       }
 }
 
 void
@@ -366,21 +368,37 @@ FFmpegContent::add_properties (list<pair<string, string> >& p) const
 {
        VideoContent::add_properties (p);
 
-       int const sub = 219 * pow (2, _bits_per_pixel - 8);
-       int const total = pow (2, _bits_per_pixel);
-
-       switch (_color_range) {
-       case AVCOL_RANGE_UNSPECIFIED:
-               p.push_back (make_pair (_("Colour range"), _("Unspecified")));
-               break;
-       case AVCOL_RANGE_MPEG:
-               p.push_back (make_pair (_("Colour range"), String::compose ("Limited (%1-%2)", (total - sub) / 2, (total + sub) / 2)));
-               break;
-       case AVCOL_RANGE_JPEG:
-               p.push_back (make_pair (_("Colour range"), String::compose ("Full (0-total)", (total - sub) / 2, (total + sub) / 2)));
-               break;
-       default:
-               DCPOMATIC_ASSERT (false);
+       if (_bits_per_pixel) {
+               int const sub = 219 * pow (2, _bits_per_pixel.get() - 8);
+               int const total = pow (2, _bits_per_pixel.get());
+
+               switch (_color_range) {
+               case AVCOL_RANGE_UNSPECIFIED:
+                       p.push_back (make_pair (_("Colour range"), _("Unspecified")));
+                       break;
+               case AVCOL_RANGE_MPEG:
+                       p.push_back (make_pair (_("Colour range"), String::compose (_("Limited (%1-%2)"), (total - sub) / 2, (total + sub) / 2)));
+                       break;
+               case AVCOL_RANGE_JPEG:
+                       p.push_back (make_pair (_("Colour range"), String::compose (_("Full (0-%1)"), total)));
+                       break;
+               default:
+                       DCPOMATIC_ASSERT (false);
+               }
+       } else {
+               switch (_color_range) {
+               case AVCOL_RANGE_UNSPECIFIED:
+                       p.push_back (make_pair (_("Colour range"), _("Unspecified")));
+                       break;
+               case AVCOL_RANGE_MPEG:
+                       p.push_back (make_pair (_("Colour range"), _("Limited")));
+                       break;
+               case AVCOL_RANGE_JPEG:
+                       p.push_back (make_pair (_("Colour range"), _("Full")));
+                       break;
+               default:
+                       DCPOMATIC_ASSERT (false);
+               }
        }
 
        char const * primaries[] = {
@@ -438,5 +456,7 @@ FFmpegContent::add_properties (list<pair<string, string> >& p) const
        DCPOMATIC_ASSERT (AVCOL_SPC_NB == 11);
        p.push_back (make_pair (_("Colourspace"), spaces[_colorspace]));
 
-       p.push_back (make_pair (_("Bits per pixel"), raw_convert<string> (_bits_per_pixel)));
+       if (_bits_per_pixel) {
+               p.push_back (make_pair (_("Bits per pixel"), raw_convert<string> (_bits_per_pixel.get ())));
+       }
 }