Rename SafeStringStream -> locked_stringstream. Bump deps for removal of stringstream.

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

diff --git a/src/lib/audio_content.cc b/src/lib/audio_content.cc
index 540279a95b862e980d66d00f664ac8d48bd79b72..4e9d5cd5cee5395b3a22058fd0cf6c08f57e1e57 100644 (file)
--- a/src/lib/audio_content.cc
+++ b/src/lib/audio_content.cc
@@ -1,19 +1,20 @@
 /*
     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/>.
 
 */
 
@@ -34,7 +35,6 @@
 using std::string;
 using std::cout;
 using std::vector;
-using std::stringstream;
 using std::fixed;
 using std::list;
 using std::pair;
@@ -48,8 +48,8 @@ int const AudioContentProperty::STREAMS = 200;
 int const AudioContentProperty::GAIN = 201;
 int const AudioContentProperty::DELAY = 202;
 
-AudioContent::AudioContent (Content* parent, shared_ptr<const Film> film)
-       : ContentPart (parent, film)
+AudioContent::AudioContent (Content* parent)
+       : ContentPart (parent)
        , _gain (0)
        , _delay (Config::instance()->default_audio_delay ())
 {
@@ -57,17 +57,28 @@ AudioContent::AudioContent (Content* parent, shared_ptr<const Film> film)
 }
 
 shared_ptr<AudioContent>
-AudioContent::from_xml (Content* parent, shared_ptr<const Film> film, cxml::ConstNodePtr node)
+AudioContent::from_xml (Content* parent, cxml::ConstNodePtr node, int version)
 {
+       if (version < 34) {
+               /* With old metadata FFmpeg content has the audio-related tags even with no
+                  audio streams, so check for that.
+               */
+               if (node->string_child("Type") == "FFmpeg" && node->node_children("AudioStream").empty()) {
+                       return shared_ptr<AudioContent> ();
+               }
+
+               /* Otherwise we can drop through to the newer logic */
+       }
+
        if (!node->optional_number_child<double> ("AudioGain")) {
                return shared_ptr<AudioContent> ();
        }
 
-       return shared_ptr<AudioContent> (new AudioContent (parent, film, node));
+       return shared_ptr<AudioContent> (new AudioContent (parent, node));
 }
 
-AudioContent::AudioContent (Content* parent, shared_ptr<const Film> film, cxml::ConstNodePtr node)
-       : ContentPart (parent, film)
+AudioContent::AudioContent (Content* parent, cxml::ConstNodePtr node)
+       : ContentPart (parent)
 {
        _gain = node->number_child<double> ("AudioGain");
        _delay = node->number_child<int> ("AudioDelay");
@@ -79,8 +90,8 @@ AudioContent::AudioContent (Content* parent, shared_ptr<const Film> film, cxml::
        }
 }
 
-AudioContent::AudioContent (Content* parent, shared_ptr<const Film> film, vector<shared_ptr<Content> > c)
-       : ContentPart (parent, film)
+AudioContent::AudioContent (Content* parent, vector<shared_ptr<Content> > c)
+       : ContentPart (parent)
 {
        shared_ptr<AudioContent> ref = c[0]->audio;
        DCPOMATIC_ASSERT (ref);
@@ -187,9 +198,7 @@ AudioContent::resampled_frame_rate () const
        /* Resample to a DCI-approved sample rate */
        double t = has_rate_above_48k() ? 96000 : 48000;
 
-       shared_ptr<const Film> film = _film.lock ();
-       DCPOMATIC_ASSERT (film);
-       FrameRateChange frc (_parent->active_video_frame_rate(), film->video_frame_rate());
+       FrameRateChange frc (_parent->active_video_frame_rate(), _parent->film()->video_frame_rate());
 
        /* Compensate if the DCP is being run at a different frame rate
           to the source; that is, if the video is run such that it will
@@ -293,38 +302,35 @@ AudioContent::add_properties (list<UserProperty>& p) const
        }
 
        if (stream) {
-               p.push_back (UserProperty (_("Audio"), _("Channels"), stream->channels ()));
-               p.push_back (UserProperty (_("Audio"), _("Content audio frame rate"), stream->frame_rate(), _("Hz")));
+               p.push_back (UserProperty (UserProperty::AUDIO, _("Channels"), stream->channels ()));
+               p.push_back (UserProperty (UserProperty::AUDIO, _("Content audio sample rate"), stream->frame_rate(), _("Hz")));
        }
 
-       shared_ptr<const Film> film = _film.lock ();
-       DCPOMATIC_ASSERT (film);
-
-       FrameRateChange const frc (_parent->active_video_frame_rate(), film->video_frame_rate());
+       FrameRateChange const frc (_parent->active_video_frame_rate(), _parent->film()->video_frame_rate());
        ContentTime const c (_parent->full_length(), frc);
 
        p.push_back (
-               UserProperty (_("Length"), _("Full length in video frames at content rate"), c.frames_round(frc.source))
+               UserProperty (UserProperty::LENGTH, _("Full length in video frames at content rate"), c.frames_round(frc.source))
                );
 
        if (stream) {
                p.push_back (
                        UserProperty (
-                               _("Length"),
-                               _("Full length in audio frames at content rate"),
+                               UserProperty::LENGTH,
+                               _("Full length in audio samples at content rate"),
                                c.frames_round (stream->frame_rate ())
                                )
                        );
        }
 
-       p.push_back (UserProperty (_("Audio"), _("DCP frame rate"), resampled_frame_rate (), _("Hz")));
-       p.push_back (UserProperty (_("Length"), _("Full length in video frames at DCP rate"), c.frames_round (frc.dcp)));
+       p.push_back (UserProperty (UserProperty::AUDIO, _("DCP sample rate"), resampled_frame_rate (), _("Hz")));
+       p.push_back (UserProperty (UserProperty::LENGTH, _("Full length in video frames at DCP rate"), c.frames_round (frc.dcp)));
 
        if (stream) {
                p.push_back (
                        UserProperty (
-                               _("Length"),
-                               _("Full length in audio frames at DCP rate"),
+                               UserProperty::LENGTH,
+                               _("Full length in audio samples at DCP rate"),
                                c.frames_round (resampled_frame_rate ())
                                )
                        );