Assorted image subtitle fixes.
[dcpomatic.git] / src / lib / dcp_decoder.cc
index 1939fc1c9d21ef731467fb2d2d5075361855835c..ab0df8a8641d660315be9cc7068a6243896c0ba9 100644 (file)
 
 */
 
+#include "dcp_decoder.h"
+#include "dcp_content.h"
+#include "j2k_image_proxy.h"
+#include "image.h"
+#include "config.h"
 #include <dcp/dcp.h>
 #include <dcp/cpl.h>
 #include <dcp/reel.h>
 #include <dcp/mono_picture_mxf.h>
 #include <dcp/stereo_picture_mxf.h>
 #include <dcp/reel_picture_asset.h>
+#include <dcp/reel_sound_asset.h>
 #include <dcp/mono_picture_frame.h>
 #include <dcp/stereo_picture_frame.h>
-#include "dcp_decoder.h"
-#include "dcp_content.h"
-#include "image_proxy.h"
-#include "image.h"
+#include <dcp/sound_frame.h>
 
 using std::list;
 using std::cout;
 using boost::shared_ptr;
 using boost::dynamic_pointer_cast;
 
-DCPDecoder::DCPDecoder (shared_ptr<const DCPContent> c, shared_ptr<Log> log)
+DCPDecoder::DCPDecoder (shared_ptr<const DCPContent> c)
        : VideoDecoder (c)
        , AudioDecoder (c)
        , SubtitleDecoder (c)
-       , _log (log)
        , _dcp_content (c)
 {
        dcp::DCP dcp (c->directory ());
        dcp.read ();
-       assert (dcp.cpls().size() == 1);
+       if (c->kdm ()) {
+               dcp.add (dcp::DecryptedKDM (c->kdm().get (), Config::instance()->decryption_private_key ()));
+       }
+       DCPOMATIC_ASSERT (dcp.cpls().size() == 1);
        _reels = dcp.cpls().front()->reels ();
        _reel = _reels.begin ();
 }
@@ -52,43 +57,57 @@ DCPDecoder::DCPDecoder (shared_ptr<const DCPContent> c, shared_ptr<Log> log)
 bool
 DCPDecoder::pass ()
 {
-       if (_reel == _reels.end ()) {
+       if (_reel == _reels.end () || !_dcp_content->can_be_played ()) {
                return true;
        }
 
        float const vfr = _dcp_content->video_frame_rate ();
+       int64_t const frame = _next.frames (vfr);
        
        if ((*_reel)->main_picture ()) {
                shared_ptr<dcp::PictureMXF> mxf = (*_reel)->main_picture()->mxf ();
                shared_ptr<dcp::MonoPictureMXF> mono = dynamic_pointer_cast<dcp::MonoPictureMXF> (mxf);
                shared_ptr<dcp::StereoPictureMXF> stereo = dynamic_pointer_cast<dcp::StereoPictureMXF> (mxf);
-               int64_t const ep = (*_reel)->main_picture()->entry_point ();
+               int64_t const entry_point = (*_reel)->main_picture()->entry_point ();
                if (mono) {
-                       shared_ptr<Image> image (new Image (PIX_FMT_RGB24, mxf->size(), false));
-                       mono->get_frame (ep + _next.frames (vfr))->rgb_frame (image->data()[0]);
-                       shared_ptr<Image> aligned (new Image (image, true));
-                       video (shared_ptr<ImageProxy> (new RawImageProxy (aligned, _log)), _next.frames (vfr));
+                       video (shared_ptr<ImageProxy> (new J2KImageProxy (mono->get_frame (entry_point + frame), mxf->size())), frame);
                } else {
+                       video (
+                               shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame (entry_point + frame), mxf->size(), dcp::EYE_LEFT)),
+                               frame
+                               );
+                       
+                       video (
+                               shared_ptr<ImageProxy> (new J2KImageProxy (stereo->get_frame (entry_point + frame), mxf->size(), dcp::EYE_RIGHT)),
+                               frame
+                               );
+               }
+       }
 
-                       shared_ptr<Image> left (new Image (PIX_FMT_RGB24, mxf->size(), false));
-                       stereo->get_frame (ep + _next.frames (vfr))->rgb_frame (dcp::EYE_LEFT, left->data()[0]);
-                       shared_ptr<Image> aligned_left (new Image (left, true));
-                       video (shared_ptr<ImageProxy> (new RawImageProxy (aligned_left, _log)), _next.frames (vfr));
-
-                       shared_ptr<Image> right (new Image (PIX_FMT_RGB24, mxf->size(), false));
-                       stereo->get_frame (ep + _next.frames (vfr))->rgb_frame (dcp::EYE_RIGHT, right->data()[0]);
-                       shared_ptr<Image> aligned_right (new Image (right, true));
-                       video (shared_ptr<ImageProxy> (new RawImageProxy (aligned_right, _log)), _next.frames (vfr));
+       if ((*_reel)->main_sound ()) {
+               int64_t const entry_point = (*_reel)->main_sound()->entry_point ();
+               shared_ptr<const dcp::SoundFrame> sf = (*_reel)->main_sound()->mxf()->get_frame (entry_point + frame);
+               uint8_t const * from = sf->data ();
+
+               int const channels = _dcp_content->audio_channels ();
+               int const frames = sf->size() / (3 * channels);
+               shared_ptr<AudioBuffers> data (new AudioBuffers (channels, frames));
+               for (int i = 0; i < frames; ++i) {
+                       for (int j = 0; j < channels; ++j) {
+                               data->data()[j][i] = float (from[0] | (from[1] << 8) | (from[2] << 16)) / (1 << 23);
+                               from += 3;
+                       }
                }
+
+               audio (data, _next);
        }
 
-       /* XXX: sound */
        /* XXX: subtitle */
 
        _next += ContentTime::from_frames (1, vfr);
 
        if ((*_reel)->main_picture ()) {
-               if ((*_reel)->main_picture()->duration() >= _next.frames (vfr)) {
+               if (_next.frames (vfr) >= (*_reel)->main_picture()->duration()) {
                        ++_reel;
                }
        }
@@ -114,7 +133,14 @@ DCPDecoder::seek (ContentTime t, bool accurate)
 
 
 list<ContentTimePeriod>
-DCPDecoder::subtitles_during (ContentTimePeriod, bool starting) const
+DCPDecoder::image_subtitles_during (ContentTimePeriod, bool) const
+{
+       return list<ContentTimePeriod> ();
+}
+
+list<ContentTimePeriod>
+DCPDecoder::text_subtitles_during (ContentTimePeriod, bool) const
 {
+       /* XXX */
        return list<ContentTimePeriod> ();
 }