Rename player DCP directory to player content; ignore failures to load directories...

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

diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc
index 7a821a04e812c1850313006829a6ffd6e3ad2205..70b86717266edeffe91f4da54b088f714ae7402e 100644 (file)
--- a/src/lib/ffmpeg_content.cc
+++ b/src/lib/ffmpeg_content.cc
@@ -32,7 +32,7 @@
 #include "log.h"
 #include "exceptions.h"
 #include "frame_rate_change.h"
-#include "caption_content.h"
+#include "text_content.h"
 #include <dcp/raw_convert.h>
 #include <libcxml/cxml.h>
 extern "C" {
@@ -85,7 +85,7 @@ FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr no
 {
        video = VideoContent::from_xml (this, node, version);
        audio = AudioContent::from_xml (this, node, version);
-       caption = CaptionContent::from_xml (this, node, version);
+       text = TextContent::from_xml (this, node, version);
 
        list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
        for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
@@ -125,7 +125,68 @@ FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr no
        _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");
+}
+
+FFmpegContent::FFmpegContent (shared_ptr<const Film> film, vector<shared_ptr<Content> > c)
+       : Content (film, c)
+{
+       vector<shared_ptr<Content> >::const_iterator i = c.begin ();
+
+       bool need_video = false;
+       bool need_audio = false;
+       bool need_text = false;
+
+       if (i != c.end ()) {
+               need_video = static_cast<bool> ((*i)->video);
+               need_audio = static_cast<bool> ((*i)->audio);
+               need_text = !(*i)->text.empty();
+       }
+
+       while (i != c.end ()) {
+               if (need_video != static_cast<bool> ((*i)->video)) {
+                       throw JoinError (_("Content to be joined must all have or not have video"));
+               }
+               if (need_audio != static_cast<bool> ((*i)->audio)) {
+                       throw JoinError (_("Content to be joined must all have or not have audio"));
+               }
+               if (need_text != !(*i)->text.empty()) {
+                       throw JoinError (_("Content to be joined must all have or not have subtitles or captions"));
+               }
+               ++i;
+       }
 
+       if (need_video) {
+               video.reset (new VideoContent (this, c));
+       }
+       if (need_audio) {
+               audio.reset (new AudioContent (this, c));
+       }
+       if (need_text) {
+               text.push_back (shared_ptr<TextContent> (new TextContent (this, c)));
+       }
+
+       shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
+       DCPOMATIC_ASSERT (ref);
+
+       for (size_t i = 0; i < c.size(); ++i) {
+               shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
+               if (fc->only_text() && fc->only_text()->use() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
+                       throw JoinError (_("Content to be joined must use the same subtitle stream."));
+               }
+       }
+
+       /* XXX: should probably check that more of the stuff below is the same in *this and ref */
+
+       _subtitle_streams = ref->subtitle_streams ();
+       _subtitle_stream = ref->subtitle_stream ();
+       _first_video = ref->_first_video;
+       _filters = ref->_filters;
+       _color_range = ref->_color_range;
+       _color_primaries = ref->_color_primaries;
+       _color_trc = ref->_color_trc;
+       _colorspace = ref->_colorspace;
+       _bits_per_pixel = ref->_bits_per_pixel;
 }
 
 void
@@ -148,8 +209,8 @@ FFmpegContent::as_xml (xmlpp::Node* node, bool with_paths) const
                }
        }
 
-       if (caption) {
-               caption->as_xml (node);
+       if (only_text()) {
+               only_text()->as_xml (node);
        }
 
        boost::mutex::scoped_lock lm (_mutex);
@@ -185,11 +246,17 @@ 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());
+       }
 }
 
 void
 FFmpegContent::examine (shared_ptr<Job> job)
 {
+       ChangeSignaller<Content> cc1 (this, FFmpegContentProperty::SUBTITLE_STREAMS);
+       ChangeSignaller<Content> cc2 (this, FFmpegContentProperty::SUBTITLE_STREAM);
+
        job->set_progress_unknown ();
 
        Content::examine (job);
@@ -242,7 +309,8 @@ FFmpegContent::examine (shared_ptr<Job> job)
 
                _subtitle_streams = examiner->subtitle_streams ();
                if (!_subtitle_streams.empty ()) {
-                       caption.reset (new CaptionContent (this));
+                       text.clear ();
+                       text.push_back (shared_ptr<TextContent> (new TextContent (this, TEXT_OPEN_SUBTITLE, TEXT_UNKNOWN)));
                        _subtitle_stream = _subtitle_streams.front ();
                }
 
@@ -251,9 +319,6 @@ FFmpegContent::examine (shared_ptr<Job> job)
        if (examiner->has_video ()) {
                set_default_colour_conversion ();
        }
-
-       signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
-       signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
 }
 
 string
@@ -307,12 +372,12 @@ FFmpegContent::technical_summary () const
 void
 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
 {
+       ChangeSignaller<Content> cc (this, FFmpegContentProperty::SUBTITLE_STREAM);
+
        {
                boost::mutex::scoped_lock lm (_mutex);
                _subtitle_stream = s;
        }
-
-       signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
 }
 
 bool
@@ -348,12 +413,12 @@ FFmpegContent::full_length () const
 void
 FFmpegContent::set_filters (vector<Filter const *> const & filters)
 {
+       ChangeSignaller<Content> cc (this, FFmpegContentProperty::FILTERS);
+
        {
                boost::mutex::scoped_lock lm (_mutex);
                _filters = filters;
        }
-
-       signal_changed (FFmpegContentProperty::FILTERS);
 }
 
 string
@@ -365,8 +430,8 @@ FFmpegContent::identifier () const
                s += "_" + video->identifier();
        }
 
-       if (caption && caption->use() && caption->burn()) {
-               s += "_" + caption->identifier();
+       if (only_text() && only_text()->use() && only_text()->burn()) {
+               s += "_" + only_text()->identifier();
        }
 
        boost::mutex::scoped_lock lm (_mutex);
@@ -567,7 +632,8 @@ FFmpegContent::add_properties (list<UserProperty>& p) const
 void
 FFmpegContent::signal_subtitle_stream_changed ()
 {
-       signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
+       /* XXX: this is too late; really it should be before the change */
+       ChangeSignaller<Content> cc (this, FFmpegContentProperty::SUBTITLE_STREAM);
 }
 
 vector<shared_ptr<FFmpegAudioStream> >