Revert "Use make_shared<>."
[dcpomatic.git] / src / lib / player.cc
index 53df8a3721cec68cc610c6fd679e4dd979b515a8..30313d39dd23bb57445cf43ff8a45f7b9c2d8b00 100644 (file)
@@ -1,36 +1,27 @@
 /*
     Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
 #include "player.h"
 #include "film.h"
-#include "ffmpeg_decoder.h"
-#include "video_decoder.h"
 #include "audio_buffers.h"
-#include "audio_content.h"
-#include "ffmpeg_content.h"
-#include "image_decoder.h"
-#include "image_content.h"
-#include "sndfile_decoder.h"
-#include "sndfile_content.h"
-#include "subtitle_content.h"
-#include "text_subtitle_decoder.h"
-#include "text_subtitle_content.h"
+#include "content_audio.h"
 #include "dcp_content.h"
 #include "job.h"
 #include "image.h"
 #include "content_video.h"
 #include "player_video.h"
 #include "frame_rate_change.h"
-#include "dcp_content.h"
-#include "dcp_decoder.h"
-#include "dcp_subtitle_content.h"
-#include "dcp_subtitle_decoder.h"
 #include "audio_processor.h"
 #include "playlist.h"
 #include "referenced_reel_asset.h"
+#include "decoder_factory.h"
+#include "decoder.h"
+#include "video_decoder.h"
+#include "audio_decoder.h"
+#include "subtitle_content.h"
+#include "subtitle_decoder.h"
+#include "ffmpeg_content.h"
+#include "audio_content.h"
+#include "content_subtitle.h"
+#include "dcp_decoder.h"
+#include "image_decoder.h"
 #include <dcp/reel.h>
 #include <dcp/reel_sound_asset.h>
 #include <dcp/reel_subtitle_asset.h>
@@ -117,7 +115,6 @@ Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist
 void
 Player::setup_pieces ()
 {
-       list<shared_ptr<Piece> > old_pieces = _pieces;
        _pieces.clear ();
 
        BOOST_FOREACH (shared_ptr<Content> i, _playlist->content ()) {
@@ -126,85 +123,12 @@ Player::setup_pieces ()
                        continue;
                }
 
-               shared_ptr<Decoder> decoder;
-               optional<FrameRateChange> frc;
-
-               /* FFmpeg */
-               shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (i);
-               if (fc) {
-                       decoder.reset (new FFmpegDecoder (fc, _film->log(), _fast));
-                       frc = FrameRateChange (fc->active_video_frame_rate(), _film->video_frame_rate());
-               }
-
-               shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (i);
-               if (dc) {
-                       decoder.reset (new DCPDecoder (dc, _film->log(), _fast));
-                       frc = FrameRateChange (dc->active_video_frame_rate(), _film->video_frame_rate());
-               }
+               shared_ptr<Decoder> decoder = decoder_factory (i, _film->log(), _fast);
+               FrameRateChange frc (i->active_video_frame_rate(), _film->video_frame_rate());
 
-               /* ImageContent */
-               shared_ptr<const ImageContent> ic = dynamic_pointer_cast<const ImageContent> (i);
-               if (ic) {
-                       /* See if we can re-use an old ImageDecoder */
-                       for (list<shared_ptr<Piece> >::const_iterator j = old_pieces.begin(); j != old_pieces.end(); ++j) {
-                               shared_ptr<ImageDecoder> imd = dynamic_pointer_cast<ImageDecoder> ((*j)->decoder);
-                               if (imd && imd->content() == ic) {
-                                       decoder = imd;
-                               }
-                       }
-
-                       if (!decoder) {
-                               decoder.reset (new ImageDecoder (ic, _film->log()));
-                       }
-
-                       frc = FrameRateChange (ic->active_video_frame_rate(), _film->video_frame_rate());
-               }
-
-               /* SndfileContent */
-               shared_ptr<const SndfileContent> sc = dynamic_pointer_cast<const SndfileContent> (i);
-               if (sc) {
-                       decoder.reset (new SndfileDecoder (sc, _fast, _film->log()));
-
-                       /* Work out a FrameRateChange for the best overlap video for this content */
-                       DCPTime best_overlap_t;
-                       shared_ptr<Content> best_overlap;
-                       BOOST_FOREACH (shared_ptr<Content> j, _playlist->content ()) {
-                               if (!j->video) {
-                                       continue;
-                               }
-
-                               DCPTime const overlap = min (j->end(), i->end()) - max (j->position(), i->position());
-                               if (overlap > best_overlap_t) {
-                                       best_overlap = j;
-                                       best_overlap_t = overlap;
-                               }
-                       }
-
-                       if (best_overlap) {
-                               frc = FrameRateChange (best_overlap->active_video_frame_rate(), _film->video_frame_rate ());
-                       } else {
-                               /* No video overlap; e.g. if the DCP is just audio */
-                               frc = FrameRateChange (_film->video_frame_rate(), _film->video_frame_rate ());
-                       }
-               }
-
-               /* It's questionable whether subtitle content should have a video frame rate; perhaps
-                  it should be assumed that any subtitle content has been prepared at the same rate
-                  as simultaneous video content (like we do with audio).
-               */
-
-               /* TextSubtitleContent */
-               shared_ptr<const TextSubtitleContent> rc = dynamic_pointer_cast<const TextSubtitleContent> (i);
-               if (rc) {
-                       decoder.reset (new TextSubtitleDecoder (rc));
-                       frc = FrameRateChange (rc->active_video_frame_rate(), _film->video_frame_rate());
-               }
-
-               /* DCPSubtitleContent */
-               shared_ptr<const DCPSubtitleContent> dsc = dynamic_pointer_cast<const DCPSubtitleContent> (i);
-               if (dsc) {
-                       decoder.reset (new DCPSubtitleDecoder (dsc));
-                       frc = FrameRateChange (dsc->active_video_frame_rate(), _film->video_frame_rate());
+               if (!decoder) {
+                       /* Not something that we can decode; e.g. Atmos content */
+                       continue;
                }
 
                if (decoder->video && _ignore_video) {
@@ -215,7 +139,7 @@ Player::setup_pieces ()
                        decoder->audio->set_ignore ();
                }
 
-               _pieces.push_back (shared_ptr<Piece> (new Piece (i, decoder, frc.get ())));
+               _pieces.push_back (shared_ptr<Piece> (new Piece (i, decoder, frc)));
        }
 
        _have_valid_pieces = true;
@@ -420,7 +344,7 @@ Player::get_video (DCPTime time, bool accurate)
                /* Get video from appropriate piece(s) */
                BOOST_FOREACH (shared_ptr<Piece> piece, ov) {
 
-                       shared_ptr<VideoDecoder> decoder = dynamic_pointer_cast<VideoDecoder> (piece->decoder);
+                       shared_ptr<VideoDecoder> decoder = piece->decoder->video;
                        DCPOMATIC_ASSERT (decoder);
 
                        shared_ptr<DCPContent> dcp_content = dynamic_pointer_cast<DCPContent> (piece->content);
@@ -450,12 +374,12 @@ Player::get_video (DCPTime time, bool accurate)
                                                        shared_ptr<PlayerVideo> (
                                                                new PlayerVideo (
                                                                        i->image,
-                                                                       content_video_to_dcp (piece, i->frame),
+                                                                       time,
                                                                        piece->content->video->crop (),
-                                                                       piece->content->video->fade (i->frame),
+                                                                       piece->content->video->fade (i->frame.index()),
                                                                        image_size,
                                                                        _video_container_size,
-                                                                       i->eyes,
+                                                                       i->frame.eyes(),
                                                                        i->part,
                                                                        piece->content->video->colour_conversion ()
                                                                        )
@@ -513,7 +437,7 @@ Player::get_audio (DCPTime time, DCPTime length, bool accurate)
        BOOST_FOREACH (shared_ptr<Piece> i, ov) {
 
                DCPOMATIC_ASSERT (i->content->audio);
-               shared_ptr<AudioDecoder> decoder = dynamic_pointer_cast<AudioDecoder> (i->decoder);
+               shared_ptr<AudioDecoder> decoder = i->decoder->audio;
                DCPOMATIC_ASSERT (decoder);
 
                /* The time that we should request from the content */
@@ -655,7 +579,7 @@ Player::get_subtitles (DCPTime time, DCPTime length, bool starting, bool burnt,
                        continue;
                }
 
-               shared_ptr<SubtitleDecoder> subtitle_decoder = dynamic_pointer_cast<SubtitleDecoder> ((*j)->decoder);
+               shared_ptr<SubtitleDecoder> subtitle_decoder = (*j)->decoder->subtitle;
                ContentTime const from = dcp_to_content_subtitle (*j, time);
                /* XXX: this video_frame_rate() should be the rate that the subtitle content has been prepared for */
                ContentTime const to = from + ContentTime::from_frames (1, _film->video_frame_rate ());