Merge master.
[dcpomatic.git] / src / lib / encoder.cc
index 0c810d12c6aaf88a65e8782d9e0d389e2c4581cc..46d11c55640e2fbf92a0789748f9f9a284c1d0b8 100644 (file)
@@ -27,7 +27,6 @@
 #include <libdcp/picture_asset.h>
 #include "encoder.h"
 #include "util.h"
-#include "options.h"
 #include "film.h"
 #include "log.h"
 #include "exceptions.h"
 #include "format.h"
 #include "cross.h"
 #include "writer.h"
+#include "player.h"
+#include "audio_mapping.h"
+
+#include "i18n.h"
 
 using std::pair;
 using std::string;
@@ -46,7 +49,8 @@ using std::vector;
 using std::list;
 using std::cout;
 using std::make_pair;
-using namespace boost;
+using boost::shared_ptr;
+using boost::optional;
 
 int const Encoder::_history_size = 25;
 
@@ -75,28 +79,28 @@ Encoder::~Encoder ()
 void
 Encoder::process_begin ()
 {
-       if (_film->audio_stream() && _film->audio_stream()->sample_rate() != _film->target_audio_sample_rate()) {
+       if (_film->has_audio() && _film->audio_frame_rate() != _film->target_audio_sample_rate()) {
 #ifdef HAVE_SWRESAMPLE
 
                stringstream s;
-               s << "Will resample audio from " << _film->audio_stream()->sample_rate() << " to " << _film->target_audio_sample_rate();
+               s << String::compose (N_("Will resample audio from %1 to %2"), _film->audio_frame_rate(), _film->target_audio_sample_rate());
                _film->log()->log (s.str ());
 
                /* We will be using planar float data when we call the resampler */
                _swr_context = swr_alloc_set_opts (
                        0,
-                       _film->audio_stream()->channel_layout(),
+                       _film->audio_channel_layout(),
                        AV_SAMPLE_FMT_FLTP,
                        _film->target_audio_sample_rate(),
-                       _film->audio_stream()->channel_layout(),
+                       _film->audio_channel_layout(),
                        AV_SAMPLE_FMT_FLTP,
-                       _film->audio_stream()->sample_rate(),
+                       _film->audio_frame_rate(),
                        0, 0
                        );
                
                swr_init (_swr_context);
 #else
-               throw EncodeError ("Cannot resample audio as libswresample is not present");
+               throw EncodeError (_("Cannot resample audio as libswresample is not present"));
 #endif
        } else {
 #ifdef HAVE_SWRESAMPLE
@@ -124,15 +128,15 @@ void
 Encoder::process_end ()
 {
 #if HAVE_SWRESAMPLE    
-       if (_film->audio_stream() && _film->audio_stream()->channels() && _swr_context) {
+       if (_film->has_audio() && _film->audio_channels() && _swr_context) {
 
-               shared_ptr<AudioBuffers> out (new AudioBuffers (_film->audio_stream()->channels(), 256));
+               shared_ptr<AudioBuffers> out (new AudioBuffers (_film->audio_channels(), 256));
                        
                while (1) {
                        int const frames = swr_convert (_swr_context, (uint8_t **) out->data(), 256, 0, 0);
 
                        if (frames < 0) {
-                               throw EncodeError ("could not run sample-rate converter");
+                               throw EncodeError (_("could not run sample-rate converter"));
                        }
 
                        if (frames == 0) {
@@ -149,11 +153,11 @@ Encoder::process_end ()
 
        boost::mutex::scoped_lock lock (_mutex);
 
-       _film->log()->log ("Clearing queue of " + lexical_cast<string> (_queue.size ()));
+       _film->log()->log (String::compose (N_("Clearing queue of %1"), _queue.size ()));
 
        /* Keep waking workers until the queue is empty */
        while (!_queue.empty ()) {
-               _film->log()->log ("Waking with " + lexical_cast<string> (_queue.size ()), Log::VERBOSE);
+               _film->log()->log (String::compose (N_("Waking with %1"), _queue.size ()), Log::VERBOSE);
                _condition.notify_all ();
                _condition.wait (lock);
        }
@@ -162,7 +166,7 @@ Encoder::process_end ()
        
        terminate_threads ();
 
-       _film->log()->log ("Mopping up " + lexical_cast<string> (_queue.size()));
+       _film->log()->log (String::compose (N_("Mopping up %1"), _queue.size()));
 
        /* The following sequence of events can occur in the above code:
             1. a remote worker takes the last image off the queue
@@ -174,12 +178,12 @@ Encoder::process_end ()
        */
 
        for (list<shared_ptr<DCPVideoFrame> >::iterator i = _queue.begin(); i != _queue.end(); ++i) {
-               _film->log()->log (String::compose ("Encode left-over frame %1", (*i)->frame ()));
+               _film->log()->log (String::compose (N_("Encode left-over frame %1"), (*i)->frame ()));
                try {
                        _writer->write ((*i)->encode_locally(), (*i)->frame ());
                        frame_done ();
                } catch (std::exception& e) {
-                       _film->log()->log (String::compose ("Local encode failed (%1)", e.what ()));
+                       _film->log()->log (String::compose (N_("Local encode failed (%1)"), e.what ()));
                }
        }
 
@@ -191,7 +195,7 @@ Encoder::process_end ()
  *  or 0 if not known.
  */
 float
-Encoder::current_frames_per_second () const
+Encoder::current_encoding_rate () const
 {
        boost::mutex::scoped_lock lock (_history_mutex);
        if (int (_time_history.size()) < _history_size) {
@@ -229,11 +233,11 @@ Encoder::frame_done ()
 }
 
 void
-Encoder::process_video (shared_ptr<Image> image, bool same, boost::shared_ptr<Subtitle> sub)
+Encoder::process_video (shared_ptr<Image> image, bool same, shared_ptr<Subtitle> sub)
 {
-       DCPFrameRate dfr (_film->frames_per_second ());
+       FrameRateConversion frc (_film->video_frame_rate(), _film->dcp_frame_rate());
        
-       if (dfr.skip && (_video_frames_in % 2)) {
+       if (frc.skip && (_video_frames_in % 2)) {
                ++_video_frames_in;
                return;
        }
@@ -251,6 +255,10 @@ Encoder::process_video (shared_ptr<Image> image, bool same, boost::shared_ptr<Su
                return;
        }
 
+       if (_writer->thrown ()) {
+               _writer->rethrow ();
+       }
+
        if (_writer->can_fake_write (_video_frames_out)) {
                _writer->fake_write (_video_frames_out);
                _have_a_real_frame = false;
@@ -263,11 +271,11 @@ Encoder::process_video (shared_ptr<Image> image, bool same, boost::shared_ptr<Su
                /* Queue this new frame for encoding */
                pair<string, string> const s = Filter::ffmpeg_strings (_film->filters());
                TIMING ("adding to queue of %1", _queue.size ());
-               _queue.push_back (boost::shared_ptr<DCPVideoFrame> (
+               _queue.push_back (shared_ptr<DCPVideoFrame> (
                                          new DCPVideoFrame (
                                                  image, sub, _film->format()->dcp_size(), _film->format()->dcp_padding (_film),
                                                  _film->subtitle_offset(), _film->subtitle_scale(),
-                                                 _film->scaler(), _video_frames_out, _film->frames_per_second(), s.second,
+                                                 _film->scaler(), _video_frames_out, _film->dcp_frame_rate(), s.second,
                                                  _film->colour_lut(), _film->j2k_bandwidth(),
                                                  _film->log()
                                                  )
@@ -280,7 +288,7 @@ Encoder::process_video (shared_ptr<Image> image, bool same, boost::shared_ptr<Su
        ++_video_frames_in;
        ++_video_frames_out;
 
-       if (dfr.repeat) {
+       if (frc.repeat) {
                _writer->repeat (_video_frames_out);
                ++_video_frames_out;
                frame_done ();
@@ -295,9 +303,9 @@ Encoder::process_audio (shared_ptr<AudioBuffers> data)
        if (_swr_context) {
 
                /* Compute the resampled frames count and add 32 for luck */
-               int const max_resampled_frames = ceil ((int64_t) data->frames() * _film->target_audio_sample_rate() / _film->audio_stream()->sample_rate()) + 32;
+               int const max_resampled_frames = ceil ((int64_t) data->frames() * _film->target_audio_sample_rate() / _film->audio_frame_rate()) + 32;
 
-               shared_ptr<AudioBuffers> resampled (new AudioBuffers (_film->audio_stream()->channels(), max_resampled_frames));
+               shared_ptr<AudioBuffers> resampled (new AudioBuffers (_film->audio_channels(), max_resampled_frames));
 
                /* Resample audio */
                int const resampled_frames = swr_convert (
@@ -305,7 +313,7 @@ Encoder::process_audio (shared_ptr<AudioBuffers> data)
                        );
                
                if (resampled_frames < 0) {
-                       throw EncodeError ("could not run sample-rate converter");
+                       throw EncodeError (_("could not run sample-rate converter"));
                }
 
                resampled->set_frames (resampled_frames);
@@ -315,22 +323,6 @@ Encoder::process_audio (shared_ptr<AudioBuffers> data)
        }
 #endif
 
-       if (_film->audio_channels() == 1) {
-               /* We need to switch things around so that the mono channel is on
-                  the centre channel of a 5.1 set (with other channels silent).
-               */
-
-               shared_ptr<AudioBuffers> b (new AudioBuffers (6, data->frames ()));
-               b->make_silent (libdcp::LEFT);
-               b->make_silent (libdcp::RIGHT);
-               memcpy (b->data()[libdcp::CENTRE], data->data()[0], data->frames() * sizeof(float));
-               b->make_silent (libdcp::LFE);
-               b->make_silent (libdcp::LS);
-               b->make_silent (libdcp::RS);
-
-               data = b;
-       }
-
        _writer->write (data);
 }
 
@@ -370,8 +362,8 @@ Encoder::encoder_thread (ServerDescription* server)
                }
 
                TIMING ("encoder thread %1 wakes with queue of %2", boost::this_thread::get_id(), _queue.size());
-               boost::shared_ptr<DCPVideoFrame> vf = _queue.front ();
-               _film->log()->log (String::compose ("Encoder thread %1 pops frame %2 from queue", boost::this_thread::get_id(), vf->frame()), Log::VERBOSE);
+               shared_ptr<DCPVideoFrame> vf = _queue.front ();
+               _film->log()->log (String::compose (N_("Encoder thread %1 pops frame %2 from queue"), boost::this_thread::get_id(), vf->frame()), Log::VERBOSE);
                _queue.pop_front ();
                
                lock.unlock ();
@@ -383,7 +375,7 @@ Encoder::encoder_thread (ServerDescription* server)
                                encoded = vf->encode_remotely (server);
 
                                if (remote_backoff > 0) {
-                                       _film->log()->log (String::compose ("%1 was lost, but now she is found; removing backoff", server->host_name ()));
+                                       _film->log()->log (String::compose (N_("%1 was lost, but now she is found; removing backoff"), server->host_name ()));
                                }
                                
                                /* This job succeeded, so remove any backoff */
@@ -396,7 +388,7 @@ Encoder::encoder_thread (ServerDescription* server)
                                }
                                _film->log()->log (
                                        String::compose (
-                                               "Remote encode of %1 on %2 failed (%3); thread sleeping for %4s",
+                                               N_("Remote encode of %1 on %2 failed (%3); thread sleeping for %4s"),
                                                vf->frame(), server->host_name(), e.what(), remote_backoff)
                                        );
                        }
@@ -407,7 +399,7 @@ Encoder::encoder_thread (ServerDescription* server)
                                encoded = vf->encode_locally ();
                                TIMING ("encoder thread %1 finishes local encode of %2", boost::this_thread::get_id(), vf->frame());
                        } catch (std::exception& e) {
-                               _film->log()->log (String::compose ("Local encode failed (%1)", e.what ()));
+                               _film->log()->log (String::compose (N_("Local encode failed (%1)"), e.what ()));
                        }
                }
 
@@ -417,7 +409,7 @@ Encoder::encoder_thread (ServerDescription* server)
                } else {
                        lock.lock ();
                        _film->log()->log (
-                               String::compose ("Encoder thread %1 pushes frame %2 back onto queue after failure", boost::this_thread::get_id(), vf->frame())
+                               String::compose (N_("Encoder thread %1 pushes frame %2 back onto queue after failure"), boost::this_thread::get_id(), vf->frame())
                                );
                        _queue.push_front (vf);
                        lock.unlock ();