Basics of splitting up Decoder tree like Content.

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

diff --git a/src/lib/dcp_decoder.cc b/src/lib/dcp_decoder.cc
index 1c25587e0aab2771255b0852978ee509896fd5de..2a769166692b8064ec288210ea0b2dc377949086 100644 (file)
--- a/src/lib/dcp_decoder.cc
+++ b/src/lib/dcp_decoder.cc
@@ -20,7 +20,10 @@
 #include "dcp_decoder.h"
 #include "dcp_content.h"
 #include "audio_content.h"
+#include "video_decoder.h"
+#include "audio_decoder.h"
 #include "j2k_image_proxy.h"
+#include "subtitle_decoder.h"
 #include "image.h"
 #include "config.h"
 #include <dcp/dcp.h>
@@ -44,11 +47,20 @@ using boost::shared_ptr;
 using boost::dynamic_pointer_cast;
 
 DCPDecoder::DCPDecoder (shared_ptr<const DCPContent> c, shared_ptr<Log> log, bool fast)
-       : VideoDecoder (c->video, log)
-       , AudioDecoder (c->audio, fast, log)
-       , SubtitleDecoder (c->subtitle)
-       , _dcp_content (c)
+       : _dcp_content (c)
 {
+       video.reset (new VideoDecoder (this, c, log));
+       audio.reset (new AudioDecoder (this, c->audio, fast, log));
+
+       subtitle.reset (
+               new SubtitleDecoder (
+                       this,
+                       c->subtitle,
+                       bind (&DCPDecoder::image_subtitles_during, this, _1, _2),
+                       bind (&DCPDecoder::text_subtitles_during, this, _1, _2)
+                       )
+               );
+
        dcp::DCP dcp (c->directory ());
        dcp.read (false, 0, true);
        if (c->kdm ()) {
@@ -74,7 +86,7 @@ DCPDecoder::pass (PassReason reason, bool)
                ++i;
        }
 
-       double const vfr = _dcp_content->video->frame_rate ();
+       double const vfr = _dcp_content->active_video_frame_rate ();
 
        /* Frame within the (played part of the) reel that is coming up next */
        int64_t const frame = _next.frames_round (vfr);
@@ -85,14 +97,14 @@ DCPDecoder::pass (PassReason reason, bool)
                shared_ptr<dcp::StereoPictureAsset> stereo = dynamic_pointer_cast<dcp::StereoPictureAsset> (asset);
                int64_t const entry_point = (*_reel)->main_picture()->entry_point ();
                if (mono) {
-                       video (shared_ptr<ImageProxy> (new J2KImageProxy (mono->get_frame (entry_point + frame), asset->size())), offset + frame);
+                       video->video (shared_ptr<ImageProxy> (new J2KImageProxy (mono->get_frame (entry_point + frame), asset->size())), offset + frame);
                } else {
-                       video (
+                       video->video (
                                shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame (entry_point + frame), asset->size(), dcp::EYE_LEFT)),
                                offset + frame
                                );
 
-                       video (
+                       video->video (
                                shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame (entry_point + frame), asset->size(), dcp::EYE_RIGHT)),
                                offset + frame
                                );
@@ -114,7 +126,7 @@ DCPDecoder::pass (PassReason reason, bool)
                        }
                }
 
-               audio (_dcp_content->audio->stream(), data, ContentTime::from_frames (offset, vfr) + _next);
+               audio->audio (_dcp_content->audio->stream(), data, ContentTime::from_frames (offset, vfr) + _next);
        }
 
        if ((*_reel)->main_subtitle ()) {
@@ -127,7 +139,7 @@ DCPDecoder::pass (PassReason reason, bool)
 
                if (!subs.empty ()) {
                        /* XXX: assuming that all `subs' are at the same time; maybe this is ok */
-                       text_subtitle (
+                       subtitle->text_subtitle (
                                ContentTimePeriod (
                                        ContentTime::from_frames (offset - entry_point, vfr) + ContentTime::from_seconds (subs.front().in().as_seconds ()),
                                        ContentTime::from_frames (offset - entry_point, vfr) + ContentTime::from_seconds (subs.front().out().as_seconds ())
@@ -152,13 +164,13 @@ DCPDecoder::pass (PassReason reason, bool)
 void
 DCPDecoder::seek (ContentTime t, bool accurate)
 {
-       VideoDecoder::seek (t, accurate);
-       AudioDecoder::seek (t, accurate);
-       SubtitleDecoder::seek (t, accurate);
+       video->seek (t, accurate);
+       audio->seek (t, accurate);
+       subtitle->seek (t, accurate);
 
        _reel = _reels.begin ();
-       while (_reel != _reels.end() && t >= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->video->frame_rate ())) {
-               t -= ContentTime::from_frames ((*_reel)->main_picture()->duration(), _dcp_content->video->frame_rate ());
+       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 ());
                ++_reel;
        }
 
@@ -178,7 +190,7 @@ DCPDecoder::text_subtitles_during (ContentTimePeriod period, bool starting) cons
        /* XXX: inefficient */
 
        list<ContentTimePeriod> ctp;
-       double const vfr = _dcp_content->video->frame_rate ();
+       double const vfr = _dcp_content->active_video_frame_rate ();
 
        BOOST_FOREACH (shared_ptr<dcp::Reel> r, _reels) {
                if (!r->main_subtitle ()) {