Pad silence for things that already have at least some audio.

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

diff --git a/src/lib/film.cc b/src/lib/film.cc
index d92d7a9777a477dad28644a2a2274b0ec298b3fa..ce555ac8b29b3ac33d17e906ec05a3699620da7e 100644 (file)
--- a/src/lib/film.cc
+++ b/src/lib/film.cc
@@ -108,6 +108,7 @@ Film::Film (string d, bool must_exist)
        , _j2k_bandwidth (200000000)
        , _dci_metadata (Config::instance()->default_dci_metadata ())
        , _dcp_frame_rate (0)
+       , _minimum_audio_channels (0)
        , _source_frame_rate (0)
        , _dirty (false)
 {
@@ -185,6 +186,7 @@ Film::Film (Film const & o)
        , _dci_metadata      (o._dci_metadata)
        , _dci_date          (o._dci_date)
        , _dcp_frame_rate    (o._dcp_frame_rate)
+       , _minimum_audio_channels (o._minimum_audio_channels)
        , _size              (o._size)
        , _length            (o._length)
        , _content_digest    (o._content_digest)
@@ -506,6 +508,7 @@ Film::write_metadata () const
        _dci_metadata.write (f);
        f << "dci_date " << boost::gregorian::to_iso_string (_dci_date) << endl;
        f << "dcp_frame_rate " << _dcp_frame_rate << endl;
+       f << "minimum_audio_channels " << _minimum_audio_channels << endl;
        f << "width " << _size.width << endl;
        f << "height " << _size.height << endl;
        f << "length " << _length.get_value_or(0) << endl;
@@ -642,6 +645,8 @@ Film::read_metadata ()
                        _dci_date = boost::gregorian::from_undelimited_string (v);
                } else if (k == "dcp_frame_rate") {
                        _dcp_frame_rate = atoi (v.c_str ());
+               } else if (k == "minimum_audio_channels") {
+                       _minimum_audio_channels = atoi (v.c_str ());
                }
 
                _dci_metadata.read (k, v);
@@ -1323,6 +1328,16 @@ Film::set_dcp_frame_rate (int f)
        signal_changed (DCP_FRAME_RATE);
 }
 
+void
+Film::set_minimum_audio_channels (int c)
+{
+       {
+               boost::mutex::scoped_lock lm (_state_mutex);
+               _minimum_audio_channels = c;
+       }
+       signal_changed (MINIMUM_AUDIO_CHANNELS);
+}
+                       
 void
 Film::set_size (libdcp::Size s)
 {