diff options
Diffstat (limited to 'src/lib/film.cc')
| -rw-r--r-- | src/lib/film.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/lib/film.cc b/src/lib/film.cc index d67182022..98b921029 100644 --- a/src/lib/film.cc +++ b/src/lib/film.cc @@ -72,6 +72,7 @@ using std::map; using std::vector; using std::setfill; using std::min; +using std::max; using std::make_pair; using std::endl; using std::cout; @@ -805,6 +806,7 @@ Film::set_audio_processor (AudioProcessor const * processor) { _audio_processor = processor; signal_changed (AUDIO_PROCESSOR); + signal_changed (AUDIO_CHANNELS); } void @@ -1230,3 +1232,18 @@ Film::audio_output_names () const return vector<string> (n.begin(), n.begin() + audio_channels ()); } + +int +Film::audio_channels () const +{ + int minimum = 0; + if (_audio_processor) { + minimum = _audio_processor->out_channels (); + } + + if (minimum % 2 == 1) { + ++minimum; + } + + return max (minimum, _audio_channels); +} |