diff options
Diffstat (limited to 'src/lib/encoder.cc')
| -rw-r--r-- | src/lib/encoder.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/lib/encoder.cc b/src/lib/encoder.cc index 6a99132fd..ebe72b6cd 100644 --- a/src/lib/encoder.cc +++ b/src/lib/encoder.cc @@ -47,6 +47,7 @@ using std::stringstream; using std::vector; using std::list; using std::cout; +using std::min; using std::make_pair; using namespace boost; @@ -149,6 +150,20 @@ Encoder::process_end () } #endif + if (_film->audio_channels() == 0 && _film->minimum_audio_channels() > 0) { + /* Put audio in where there is none at all */ + int64_t af = video_frames_to_audio_frames (_video_frames_out, 48000, _film->dcp_frame_rate ()); + while (af) { + int64_t const this_time = min (af, 24000L); + shared_ptr<AudioBuffers> out (new AudioBuffers (_film->minimum_audio_channels(), this_time)); + out->make_silent (); + out->set_frames (this_time); + write_audio (out); + + af -= this_time; + } + } + boost::mutex::scoped_lock lock (_mutex); _film->log()->log (String::compose (N_("Clearing queue of %1"), _queue.size ())); |