Lots of #include <iostream>s for Arch.

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

diff --git a/src/lib/player.cc b/src/lib/player.cc
index a40c65cd54027e7a553ea416098793302f490533..f5d851c96f1b5f47a637384b25b15ed4311d82a6 100644 (file)
--- a/src/lib/player.cc
+++ b/src/lib/player.cc
@@ -49,6 +49,7 @@
 #include <boost/foreach.hpp>
 #include <stdint.h>
 #include <algorithm>
+#include <iostream>
 
 #include "i18n.h"
 
@@ -74,7 +75,9 @@ Player::Player (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist
        , _playlist (playlist)
        , _have_valid_pieces (false)
        , _ignore_video (false)
+       , _ignore_audio (false)
        , _always_burn_subtitles (false)
+       , _fast (false)
 {
        _film_changed_connection = _film->Changed.connect (bind (&Player::film_changed, this, _1));
        _playlist_changed_connection = _playlist->Changed.connect (bind (&Player::playlist_changed, this));
@@ -126,13 +129,13 @@ Player::setup_pieces ()
                /* FFmpeg */
                shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (i);
                if (fc) {
-                       decoder.reset (new FFmpegDecoder (fc, _film->log()));
+                       decoder.reset (new FFmpegDecoder (fc, _film->log(), _fast));
                        frc = FrameRateChange (fc->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));
+                       decoder.reset (new DCPDecoder (dc, _fast));
                        frc = FrameRateChange (dc->video_frame_rate(), _film->video_frame_rate());
                }
 
@@ -157,7 +160,7 @@ Player::setup_pieces ()
                /* SndfileContent */
                shared_ptr<const SndfileContent> sc = dynamic_pointer_cast<const SndfileContent> (i);
                if (sc) {
-                       decoder.reset (new SndfileDecoder (sc));
+                       decoder.reset (new SndfileDecoder (sc, _fast));
                        frc = best_overlap_frc;
                }
 
@@ -180,6 +183,11 @@ Player::setup_pieces ()
                        vd->set_ignore_video ();
                }
 
+               shared_ptr<AudioDecoder> ad = dynamic_pointer_cast<AudioDecoder> (decoder);
+               if (ad && _ignore_audio) {
+                       ad->set_ignore_audio ();
+               }
+
                _pieces.push_back (shared_ptr<Piece> (new Piece (i, decoder, frc.get ())));
        }
 
@@ -501,7 +509,7 @@ Player::get_audio (DCPTime time, DCPTime length, bool accurate)
                        }
 
                        if (_audio_processor) {
-                               dcp_mapped = _audio_processor->run (dcp_mapped);
+                               dcp_mapped = _audio_processor->run (dcp_mapped, _film->audio_channels ());
                        }
 
                        all.audio = dcp_mapped;
@@ -524,15 +532,25 @@ Player::dcp_to_content_video (shared_ptr<const Piece> piece, DCPTime t) const
        shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (piece->content);
        DCPTime s = t - piece->content->position ();
        s = min (piece->content->length_after_trim(), s);
-       return max (ContentTime (), ContentTime (s, piece->frc) + piece->content->trim_start ()).frames_round (vc->video_frame_rate ());
+       s = max (DCPTime(), s + DCPTime (piece->content->trim_start(), piece->frc));
+
+       /* It might seem more logical here to convert s to a ContentTime (using the FrameRateChange)
+          then convert that ContentTime to frames at the content's rate.  However this fails for
+          situations like content at 29.9978733fps, DCP at 30fps.  The accuracy of the Time type is not
+          enough to distinguish between the two with low values of time (e.g. 3200 in Time units).
+
+          Instead we convert the DCPTime using the DCP video rate then account for any skip/repeat.
+       */
+       return s.frames_floor (piece->frc.dcp) / piece->frc.factor ();
 }
 
 DCPTime
 Player::content_video_to_dcp (shared_ptr<const Piece> piece, Frame f) const
 {
        shared_ptr<const VideoContent> vc = dynamic_pointer_cast<const VideoContent> (piece->content);
-       ContentTime const c = ContentTime::from_frames (f, vc->video_frame_rate ()) - piece->content->trim_start ();
-       return max (DCPTime (), DCPTime (c, piece->frc) + piece->content->position ());
+       /* See comment in dcp_to_content_video */
+       DCPTime const d = DCPTime::from_frames (f * piece->frc.factor(), piece->frc.dcp) - DCPTime (piece->content->trim_start (), piece->frc);
+       return max (DCPTime (), d + piece->content->position ());
 }
 
 Frame
@@ -642,6 +660,13 @@ Player::set_ignore_video ()
        _ignore_video = true;
 }
 
+/** Set this player never to produce any audio data */
+void
+Player::set_ignore_audio ()
+{
+       _ignore_audio = true;
+}
+
 /** Set whether or not this player should always burn text subtitles into the image,
  *  regardless of the content settings.
  *  @param burn true to always burn subtitles, false to obey content settings.
@@ -651,3 +676,10 @@ Player::set_always_burn_subtitles (bool burn)
 {
        _always_burn_subtitles = burn;
 }
+
+void
+Player::set_fast ()
+{
+       _fast = true;
+       _have_valid_pieces = false;
+}