Hand-apply 111f02f4fc8ace359a16aea1c88c2821bf3dde31 from master; improve progress...

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

diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc
index d3e0fa7b25687010a18cc2797db9aa9a76df3483..d5fd592d6c9a11cf726cf596c4eea01916aa3a1c 100644 (file)
--- a/src/lib/ffmpeg_content.cc
+++ b/src/lib/ffmpeg_content.cc
@@ -34,13 +34,13 @@ extern "C" {
 #include "log.h"
 #include "exceptions.h"
 #include "frame_rate_change.h"
+#include "safe_stringstream.h"
 
 #include "i18n.h"
 
 #define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
 
 using std::string;
-using std::stringstream;
 using std::vector;
 using std::list;
 using std::cout;
@@ -106,11 +106,11 @@ FFmpegContent::FFmpegContent (shared_ptr<const Film> f, vector<boost::shared_ptr
        , SubtitleContent (f, c)
 {
        shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
-       assert (ref);
+       DCPOMATIC_ASSERT (ref);
 
        for (size_t i = 0; i < c.size(); ++i) {
                shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
-               if (f->with_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
+               if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
                        throw JoinError (_("Content to be joined must use the same subtitle stream."));
                }
 
@@ -163,26 +163,21 @@ FFmpegContent::as_xml (xmlpp::Node* node) const
 }
 
 void
-FFmpegContent::examine (shared_ptr<Job> job)
+FFmpegContent::examine (shared_ptr<Job> job, bool calculate_digest)
 {
        job->set_progress_unknown ();
 
-       Content::examine (job);
+       Content::examine (job, calculate_digest);
 
-       shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this ()));
+       shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
        take_from_video_examiner (examiner);
 
-       ContentTime video_length = examiner->video_length ();
-
        shared_ptr<const Film> film = _film.lock ();
-       assert (film);
-       LOG_GENERAL ("Video length obtained from header as %1 frames", video_length.frames (video_frame_rate ()));
+       DCPOMATIC_ASSERT (film);
 
        {
                boost::mutex::scoped_lock lm (_mutex);
 
-               _video_length = video_length;
-
                _subtitle_streams = examiner->subtitle_streams ();
                if (!_subtitle_streams.empty ()) {
                        _subtitle_stream = _subtitle_streams.front ();
@@ -196,7 +191,6 @@ FFmpegContent::examine (shared_ptr<Job> job)
                _first_video = examiner->first_video ();
        }
 
-       signal_changed (ContentProperty::LENGTH);
        signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
        signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
        signal_changed (FFmpegContentProperty::AUDIO_STREAMS);
@@ -234,21 +228,6 @@ FFmpegContent::technical_summary () const
                        );
 }
 
-string
-FFmpegContent::information () const
-{
-       if (video_length() == ContentTime (0) || video_frame_rate() == 0) {
-               return "";
-       }
-       
-       stringstream s;
-       
-       s << String::compose (_("%1 frames; %2 frames per second"), video_length_after_3d_combine().frames (video_frame_rate()), video_frame_rate()) << "\n";
-       s << VideoContent::information ();
-
-       return s.str ();
-}
-
 void
 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
 {
@@ -290,7 +269,7 @@ FFmpegContent::audio_channels () const
                return 0;
        }
 
-       return _audio_stream->channels;
+       return _audio_stream->channels ();
 }
 
 int
@@ -302,7 +281,7 @@ FFmpegContent::audio_frame_rate () const
                return 0;
        }
 
-       return _audio_stream->frame_rate;
+       return _audio_stream->frame_rate ();
 }
 
 bool
@@ -321,7 +300,7 @@ DCPTime
 FFmpegContent::full_length () const
 {
        shared_ptr<const Film> film = _film.lock ();
-       assert (film);
+       DCPOMATIC_ASSERT (film);
        return DCPTime (video_length_after_3d_combine(), FrameRateChange (video_frame_rate (), film->video_frame_rate ()));
 }
 
@@ -334,7 +313,7 @@ FFmpegContent::audio_mapping () const
                return AudioMapping ();
        }
 
-       return _audio_stream->mapping;
+       return _audio_stream->mapping ();
 }
 
 void
@@ -351,14 +330,14 @@ FFmpegContent::set_filters (vector<Filter const *> const & filters)
 void
 FFmpegContent::set_audio_mapping (AudioMapping m)
 {
-       audio_stream()->mapping = m;
+       audio_stream()->set_mapping (m);
        AudioContent::set_audio_mapping (m);
 }
 
 string
 FFmpegContent::identifier () const
 {
-       stringstream s;
+       SafeStringStream s;
 
        s << VideoContent::identifier();
 
@@ -388,7 +367,7 @@ FFmpegContent::audio_analysis_path () const
        */
 
        boost::filesystem::path p = film->audio_analysis_dir ();
-       string name = digest ();
+       string name = digest().get_value_or ("X");
        if (audio_stream ()) {
                name += "_" + audio_stream()->identifier ();
        }
@@ -396,20 +375,28 @@ FFmpegContent::audio_analysis_path () const
        return p;
 }
 
-bool
-FFmpegContent::has_subtitle_during (ContentTimePeriod period) const
+list<ContentTimePeriod>
+FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
 {
+       list<ContentTimePeriod> d;
+       
        shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
        if (!stream) {
-               return false;
+               return d;
        }
 
        /* XXX: inefficient */
        for (vector<ContentTimePeriod>::const_iterator i = stream->periods.begin(); i != stream->periods.end(); ++i) {
-               if (i->from <= period.to && i->to >= period.from) {
-                       return true;
+               if ((starting && period.contains (i->from)) || (!starting && period.overlaps (*i))) {
+                       d.push_back (*i);
                }
        }
 
-       return false;
+       return d;
+}
+
+bool
+FFmpegContent::has_subtitles () const
+{
+       return !subtitle_streams().empty ();
 }