Put Film pointer into Decoder.
[dcpomatic.git] / src / lib / dcp_decoder.cc
index 72db5369c81e9dd162457d5636bb0c3b420b44fa..1098bb87a8c94a8df56cf2ca0f3a7d40cd24f72c 100644 (file)
@@ -55,19 +55,20 @@ using boost::shared_ptr;
 using boost::dynamic_pointer_cast;
 using boost::optional;
 
-DCPDecoder::DCPDecoder (shared_ptr<const DCPContent> c, shared_ptr<Log> log, bool fast)
+DCPDecoder::DCPDecoder (shared_ptr<const Film> film, shared_ptr<const DCPContent> c, bool fast)
        : DCP (c)
+       , Decoder (film)
        , _decode_referenced (false)
 {
        if (c->video) {
-               video.reset (new VideoDecoder (this, c, log));
+               video.reset (new VideoDecoder (this, c));
        }
        if (c->audio) {
-               audio.reset (new AudioDecoder (this, c->audio, log, fast));
+               audio.reset (new AudioDecoder (this, c->audio, fast));
        }
        BOOST_FOREACH (shared_ptr<TextContent> i, c->text) {
                /* XXX: this time here should be the time of the first subtitle, not 0 */
-               text.push_back (shared_ptr<TextDecoder> (new TextDecoder (this, i, log, ContentTime())));
+               text.push_back (shared_ptr<TextDecoder> (new TextDecoder (this, i, ContentTime())));
        }
 
        list<shared_ptr<dcp::CPL> > cpl_list = cpls ();
@@ -107,7 +108,7 @@ DCPDecoder::pass ()
                return true;
        }
 
-       double const vfr = _dcp_content->active_video_frame_rate ();
+       double const vfr = _dcp_content->active_video_frame_rate (film());
 
        /* Frame within the (played part of the) reel that is coming up next */
        int64_t const frame = _next.frames_round (vfr);
@@ -124,6 +125,7 @@ DCPDecoder::pass ()
                int64_t const entry_point = (*_reel)->main_picture()->entry_point ();
                if (_mono_reader) {
                        video->emit (
+                               film(),
                                shared_ptr<ImageProxy> (
                                        new J2KImageProxy (
                                                _mono_reader->get_frame (entry_point + frame),
@@ -136,6 +138,7 @@ DCPDecoder::pass ()
                                );
                } else {
                        video->emit (
+                               film(),
                                shared_ptr<ImageProxy> (
                                        new J2KImageProxy (
                                                _stereo_reader->get_frame (entry_point + frame),
@@ -149,6 +152,7 @@ DCPDecoder::pass ()
                                );
 
                        video->emit (
+                               film(),
                                shared_ptr<ImageProxy> (
                                        new J2KImageProxy (
                                                _stereo_reader->get_frame (entry_point + frame),
@@ -179,7 +183,7 @@ DCPDecoder::pass ()
                        }
                }
 
-               audio->emit (_dcp_content->audio->stream(), data, ContentTime::from_frames (_offset, vfr) + _next);
+               audio->emit (film(), _dcp_content->audio->stream(), data, ContentTime::from_frames (_offset, vfr) + _next);
        }
 
        _next += ContentTime::from_frames (1, vfr);
@@ -201,7 +205,12 @@ DCPDecoder::pass_texts (ContentTime next, dcp::Size size)
        if ((*_reel)->main_subtitle()) {
                DCPOMATIC_ASSERT (decoder != text.end ());
                pass_texts (
-                       next, (*_reel)->main_subtitle()->asset(), _dcp_content->reference_text(TEXT_OPEN_SUBTITLE), (*_reel)->main_subtitle()->entry_point(), *decoder, size
+                       next,
+                       (*_reel)->main_subtitle()->asset(),
+                       _dcp_content->reference_text(TEXT_OPEN_SUBTITLE),
+                       (*_reel)->main_subtitle()->entry_point(),
+                       *decoder,
+                       size
                        );
                ++decoder;
        }
@@ -215,9 +224,11 @@ DCPDecoder::pass_texts (ContentTime next, dcp::Size size)
 }
 
 void
-DCPDecoder::pass_texts (ContentTime next, shared_ptr<dcp::SubtitleAsset> asset, bool reference, int64_t entry_point, shared_ptr<TextDecoder> decoder, dcp::Size size)
+DCPDecoder::pass_texts (
+       ContentTime next, shared_ptr<dcp::SubtitleAsset> asset, bool reference, int64_t entry_point, shared_ptr<TextDecoder> decoder, dcp::Size size
+       )
 {
-       double const vfr = _dcp_content->active_video_frame_rate ();
+       double const vfr = _dcp_content->active_video_frame_rate (film());
        /* Frame within the (played part of the) reel that is coming up next */
        int64_t const frame = next.frames_round (vfr);
 
@@ -228,18 +239,24 @@ DCPDecoder::pass_texts (ContentTime next, shared_ptr<dcp::SubtitleAsset> asset,
                        true
                        );
 
+               list<dcp::SubtitleString> strings;
+
                BOOST_FOREACH (shared_ptr<dcp::Subtitle> i, subs) {
                        shared_ptr<dcp::SubtitleString> is = dynamic_pointer_cast<dcp::SubtitleString> (i);
                        if (is) {
-                               list<dcp::SubtitleString> s;
-                               s.push_back (*is);
-                               decoder->emit_plain (
-                                       ContentTimePeriod (
-                                               ContentTime::from_frames (_offset - entry_point, vfr) + ContentTime::from_seconds (i->in().as_seconds ()),
-                                               ContentTime::from_frames (_offset - entry_point, vfr) + ContentTime::from_seconds (i->out().as_seconds ())
-                                               ),
-                                       s
-                                       );
+                               if (!strings.empty() && (strings.back().in() != is->in() || strings.back().out() != is->out())) {
+                                       dcp::SubtitleString b = strings.back();
+                                       decoder->emit_plain (
+                                               ContentTimePeriod (
+                                                       ContentTime::from_frames(_offset - entry_point, vfr) + ContentTime::from_seconds(b.in().as_seconds()),
+                                                       ContentTime::from_frames(_offset - entry_point, vfr) + ContentTime::from_seconds(b.out().as_seconds())
+                                                       ),
+                                               strings
+                                               );
+                                       strings.clear ();
+                               }
+
+                               strings.push_back (*is);
                        }
 
                        shared_ptr<dcp::SubtitleImage> ii = dynamic_pointer_cast<dcp::SubtitleImage> (i);
@@ -284,6 +301,18 @@ DCPDecoder::pass_texts (ContentTime next, shared_ptr<dcp::SubtitleAsset> asset,
                                        );
                        }
                }
+
+               if (!strings.empty()) {
+                       dcp::SubtitleString b = strings.back();
+                       decoder->emit_plain (
+                               ContentTimePeriod (
+                                       ContentTime::from_frames(_offset - entry_point, vfr) + ContentTime::from_seconds(b.in().as_seconds()),
+                                       ContentTime::from_frames(_offset - entry_point, vfr) + ContentTime::from_seconds(b.out().as_seconds())
+                                       ),
+                               strings
+                               );
+                       strings.clear ();
+               }
        }
 }
 
@@ -353,8 +382,8 @@ DCPDecoder::seek (ContentTime t, bool accurate)
 
        /* Seek to pre-roll position */
 
-       while (_reel != _reels.end() && pre >= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate ())) {
-               ContentTime rd = ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate ());
+       while (_reel != _reels.end() && pre >= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate(film()))) {
+               ContentTime rd = ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate(film()));
                pre -= rd;
                t -= rd;
                next_reel ();
@@ -362,7 +391,7 @@ DCPDecoder::seek (ContentTime t, bool accurate)
 
        /* Pass texts in the pre-roll */
 
-       double const vfr = _dcp_content->active_video_frame_rate ();
+       double const vfr = _dcp_content->active_video_frame_rate (film());
        for (int i = 0; i < pre_roll_seconds * vfr; ++i) {
                pass_texts (pre, (*_reel)->main_picture()->asset()->size());
                pre += ContentTime::from_frames (1, vfr);
@@ -370,8 +399,8 @@ DCPDecoder::seek (ContentTime t, bool accurate)
 
        /* Seek to correct position */
 
-       while (_reel != _reels.end() && t >= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate ())) {
-               t -= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate ());
+       while (_reel != _reels.end() && t >= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate(film()))) {
+               t -= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate(film()));
                next_reel ();
        }