Put Time types in dcpomatic namespace.
[dcpomatic.git] / src / lib / dcp_decoder.cc
index 1098bb87a8c94a8df56cf2ca0f3a7d40cd24f72c..5a72fb2281b30fda0d06d1cefc6b33b779b9792c 100644 (file)
@@ -54,21 +54,24 @@ using std::cout;
 using boost::shared_ptr;
 using boost::dynamic_pointer_cast;
 using boost::optional;
+using namespace dcpomatic;
 
 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));
-       }
-       if (c->audio) {
-               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, ContentTime())));
+       if (c->can_be_played()) {
+               if (c->video) {
+                       video.reset (new VideoDecoder (this, c));
+               }
+               if (c->audio) {
+                       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, ContentTime())));
+               }
        }
 
        list<shared_ptr<dcp::CPL> > cpl_list = cpls ();
@@ -122,7 +125,7 @@ DCPDecoder::pass ()
        pass_texts (_next, picture_asset->size());
 
        if ((_mono_reader || _stereo_reader) && (_decode_referenced || !_dcp_content->reference_video())) {
-               int64_t const entry_point = (*_reel)->main_picture()->entry_point ();
+               int64_t const entry_point = (*_reel)->main_picture()->entry_point().get_value_or(0);
                if (_mono_reader) {
                        video->emit (
                                film(),
@@ -168,7 +171,7 @@ DCPDecoder::pass ()
        }
 
        if (_sound_reader && (_decode_referenced || !_dcp_content->reference_audio())) {
-               int64_t const entry_point = (*_reel)->main_sound()->entry_point ();
+               int64_t const entry_point = (*_reel)->main_sound()->entry_point().get_value_or(0);
                shared_ptr<const dcp::SoundFrame> sf = _sound_reader->get_frame (entry_point + frame);
                uint8_t const * from = sf->data ();
 
@@ -208,7 +211,7 @@ DCPDecoder::pass_texts (ContentTime next, dcp::Size size)
                        next,
                        (*_reel)->main_subtitle()->asset(),
                        _dcp_content->reference_text(TEXT_OPEN_SUBTITLE),
-                       (*_reel)->main_subtitle()->entry_point(),
+                       (*_reel)->main_subtitle()->entry_point().get_value_or(0),
                        *decoder,
                        size
                        );
@@ -217,7 +220,7 @@ DCPDecoder::pass_texts (ContentTime next, dcp::Size size)
        BOOST_FOREACH (shared_ptr<dcp::ReelClosedCaptionAsset> i, (*_reel)->closed_captions()) {
                DCPOMATIC_ASSERT (decoder != text.end ());
                pass_texts (
-                       next, i->asset(), _dcp_content->reference_text(TEXT_CLOSED_CAPTION), i->entry_point(), *decoder, size
+                       next, i->asset(), _dcp_content->reference_text(TEXT_CLOSED_CAPTION), i->entry_point().get_value_or(0), *decoder, size
                        );
                ++decoder;
        }
@@ -259,45 +262,20 @@ DCPDecoder::pass_texts (
                                strings.push_back (*is);
                        }
 
+                       /* XXX: perhaps these image subs should also be collected together like the string ones are;
+                          this would need to be done both here and in DCPSubtitleDecoder.
+                       */
+
                        shared_ptr<dcp::SubtitleImage> ii = dynamic_pointer_cast<dcp::SubtitleImage> (i);
                        if (ii) {
-                               FFmpegImageProxy proxy (ii->png_image());
-                               shared_ptr<Image> image = proxy.image().first;
-                               /* set up rect with height and width */
-                               dcpomatic::Rect<double> rect(0, 0, image->size().width / double(size.width), image->size().height / double(size.height));
-
-                               /* add in position */
-
-                               switch (ii->h_align()) {
-                               case dcp::HALIGN_LEFT:
-                                       rect.x += ii->h_position();
-                                       break;
-                               case dcp::HALIGN_CENTER:
-                                       rect.x += 0.5 + ii->h_position() - rect.width / 2;
-                                       break;
-                               case dcp::HALIGN_RIGHT:
-                                       rect.x += 1 - ii->h_position() - rect.width;
-                                       break;
-                               }
-
-                               switch (ii->v_align()) {
-                               case dcp::VALIGN_TOP:
-                                       rect.y += ii->v_position();
-                                       break;
-                               case dcp::VALIGN_CENTER:
-                                       rect.y += 0.5 + ii->v_position() - rect.height / 2;
-                                       break;
-                               case dcp::VALIGN_BOTTOM:
-                                       rect.y += 1 - ii->v_position() - rect.height;
-                                       break;
-                               }
-
-                               decoder->emit_bitmap (
+                               emit_subtitle_image (
                                        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 ())
                                                ),
-                                       image, rect
+                                       *ii,
+                                       size,
+                                       decoder
                                        );
                        }
                }
@@ -319,7 +297,7 @@ DCPDecoder::pass_texts (
 void
 DCPDecoder::next_reel ()
 {
-       _offset += (*_reel)->main_picture()->duration();
+       _offset += (*_reel)->main_picture()->actual_duration();
        ++_reel;
        get_readers ();
 }
@@ -382,8 +360,12 @@ 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(film()))) {
-               ContentTime rd = ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate(film()));
+       while (
+               _reel != _reels.end() &&
+               pre >= ContentTime::from_frames ((*_reel)->main_picture()->actual_duration(), _dcp_content->active_video_frame_rate(film()))
+               ) {
+
+               ContentTime rd = ContentTime::from_frames ((*_reel)->main_picture()->actual_duration(), _dcp_content->active_video_frame_rate(film()));
                pre -= rd;
                t -= rd;
                next_reel ();
@@ -399,8 +381,12 @@ 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(film()))) {
-               t -= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->active_video_frame_rate(film()));
+       while (
+               _reel != _reels.end() &&
+               t >= ContentTime::from_frames ((*_reel)->main_picture()->actual_duration(), _dcp_content->active_video_frame_rate(film()))
+               ) {
+
+               t -= ContentTime::from_frames ((*_reel)->main_picture()->actual_duration(), _dcp_content->active_video_frame_rate(film()));
                next_reel ();
        }