Basics of joining.

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

diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc
index 4ca2ddc2933ff34e7a323c0a9b038c2a22d5e52f..e843e1e168c3fbb71e561279b9babe2debf6b376 100644 (file)
--- a/src/lib/ffmpeg_content.cc
+++ b/src/lib/ffmpeg_content.cc
@@ -26,6 +26,7 @@
 #include "filter.h"
 #include "film.h"
 #include "log.h"
+#include "exceptions.h"
 
 #include "i18n.h"
 
@@ -37,6 +38,7 @@ using std::cout;
 using std::pair;
 using boost::shared_ptr;
 using boost::lexical_cast;
+using boost::dynamic_pointer_cast;
 
 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
@@ -83,6 +85,33 @@ FFmpegContent::FFmpegContent (shared_ptr<const Film> f, shared_ptr<const cxml::N
        _first_video = node->optional_number_child<double> ("FirstVideo");
 }
 
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, vector<boost::shared_ptr<Content> > c)
+       : Content (f, c)
+       , VideoContent (f, c)
+       , AudioContent (f, c)
+       , SubtitleContent (f, c)
+{
+       shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
+       assert (ref);
+       
+       for (size_t i = 0; i < c.size(); ++i) {
+               shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
+               if (*(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
+                       throw JoinError (_("Content to be joined must use the same subtitle stream."));
+               }
+
+               if (*(fc->_audio_stream.get()) != *(ref->_audio_stream.get())) {
+                       throw JoinError (_("Content to be joined must use the same audio stream."));
+               }
+       }
+
+       _subtitle_streams = ref->subtitle_streams ();
+       _subtitle_stream = ref->subtitle_stream ();
+       _audio_streams = ref->audio_streams ();
+       _audio_stream = ref->audio_stream ();
+       _first_video = ref->_first_video;
+}
+
 void
 FFmpegContent::as_xml (xmlpp::Node* node) const
 {
@@ -299,12 +328,24 @@ operator== (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b)
        return a.id == b.id;
 }
 
+bool
+operator!= (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b)
+{
+       return a.id != b.id;
+}
+
 bool
 operator== (FFmpegAudioStream const & a, FFmpegAudioStream const & b)
 {
        return a.id == b.id;
 }
 
+bool
+operator!= (FFmpegAudioStream const & a, FFmpegAudioStream const & b)
+{
+       return a.id != b.id;
+}
+
 FFmpegAudioStream::FFmpegAudioStream (shared_ptr<const cxml::Node> node)
        : mapping (node->node_child ("Mapping"))
 {