using std::cout;
using std::pair;
using std::list;
+using std::map;
using boost::shared_ptr;
using boost::bind;
using boost::weak_ptr;
+using boost::optional;
+using namespace dcpomatic;
+/** @param key Key to use to encrypt MP4 outputs */
FFmpegEncoder::FFmpegEncoder (
shared_ptr<const Film> film,
weak_ptr<Job> job,
bool mixdown_to_stereo,
bool split_reels,
int x264_crf
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+ , optional<dcp::Key> key
+ , optional<string> id
+#endif
)
: Encoder (film, job)
- , _history (1000)
+ , _history (200)
{
- int const files = split_reels ? film->reels().size() : 1;
- for (int i = 0; i < files; ++i) {
-
- boost::filesystem::path filename = output;
- if (files > 1) {
- string extension = boost::filesystem::extension (filename);
- filename = boost::filesystem::change_extension (filename, "");
- /// TRANSLATORS: _reel%1.%2 here is to be added to an export filename to indicate
- /// which reel it is. Preserve the %1 and %2; %1 will be replaced with the reel number
- /// and %2 with the file extension.
- filename = filename.string() + String::compose(_("_reel%1%2"), i + 1, extension);
- }
-
- _file_encoders.push_back (
- shared_ptr<FFmpegFileEncoder>(
- new FFmpegFileEncoder(
- _film->frame_size(),
- _film->video_frame_rate(),
- _film->audio_frame_rate(),
- mixdown_to_stereo ? 2 : film->audio_channels(),
- _film->log(),
- format,
- x264_crf,
- filename
- )
- )
- );
- }
-
_player->set_always_burn_open_subtitles ();
_player->set_play_referenced ();
map = AudioMapping (ch, 2);
float const overall_gain = 2 / (4 + sqrt(2));
float const minus_3dB = 1 / sqrt(2);
- map.set (dcp::LEFT, 0, overall_gain);
- map.set (dcp::RIGHT, 1, overall_gain);
- map.set (dcp::CENTRE, 0, overall_gain * minus_3dB);
- map.set (dcp::CENTRE, 1, overall_gain * minus_3dB);
- map.set (dcp::LS, 0, overall_gain);
- map.set (dcp::RS, 1, overall_gain);
+ if (ch == 2) {
+ map.set (dcp::LEFT, 0, 1);
+ map.set (dcp::RIGHT, 1, 1);
+ } else if (ch == 4) {
+ map.set (dcp::LEFT, 0, overall_gain);
+ map.set (dcp::RIGHT, 1, overall_gain);
+ map.set (dcp::CENTRE, 0, overall_gain * minus_3dB);
+ map.set (dcp::CENTRE, 1, overall_gain * minus_3dB);
+ map.set (dcp::LS, 0, overall_gain);
+ } else if (ch >= 6) {
+ map.set (dcp::LEFT, 0, overall_gain);
+ map.set (dcp::RIGHT, 1, overall_gain);
+ map.set (dcp::CENTRE, 0, overall_gain * minus_3dB);
+ map.set (dcp::CENTRE, 1, overall_gain * minus_3dB);
+ map.set (dcp::LS, 0, overall_gain);
+ map.set (dcp::RS, 1, overall_gain);
+ }
+ /* XXX: maybe we should do something better for >6 channel DCPs */
} else {
- _output_audio_channels = ch;
- map = AudioMapping (ch, ch);
+ /* Our encoders don't really want to encode any channel count between 9 and 15 inclusive,
+ * so let's just use 16 channel exports for any project with more than 8 channels.
+ */
+ _output_audio_channels = ch > 8 ? 16 : ch;
+ map = AudioMapping (ch, _output_audio_channels);
for (int i = 0; i < ch; ++i) {
map.set (i, i, 1);
}
}
- _butler.reset (new Butler (_player, film->log(), map, _output_audio_channels, bind(&PlayerVideo::force, _1, FFmpegFileEncoder::pixel_format(format)), true, false));
+ _butler.reset (new Butler(_player, map, _output_audio_channels, bind(&PlayerVideo::force, _1, FFmpegFileEncoder::pixel_format(format)), true, false));
+
+ int const files = split_reels ? film->reels().size() : 1;
+ for (int i = 0; i < files; ++i) {
+
+ boost::filesystem::path filename = output;
+ string extension = boost::filesystem::extension (filename);
+ filename = boost::filesystem::change_extension (filename, "");
+
+ if (files > 1) {
+ /// TRANSLATORS: _reel%1 here is to be added to an export filename to indicate
+ /// which reel it is. Preserve the %1; it will be replaced with the reel number.
+ filename = filename.string() + String::compose(_("_reel%1"), i + 1);
+ }
+
+ _file_encoders.push_back (
+ FileEncoderSet (
+ _film->frame_size(),
+ _film->video_frame_rate(),
+ _film->audio_frame_rate(),
+ _output_audio_channels,
+ format,
+ x264_crf,
+ _film->three_d(),
+ filename,
+ extension
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+ , key
+ , id
+#endif
+ )
+ );
+ }
}
+
void
FFmpegEncoder::go ()
{
job->sub (_("Encoding"));
}
+ Waker waker;
+
list<DCPTimePeriod> reel_periods = _film->reels ();
list<DCPTimePeriod>::const_iterator reel = reel_periods.begin ();
- list<shared_ptr<FFmpegFileEncoder> >::iterator encoder = _file_encoders.begin ();
+ list<FileEncoderSet>::iterator encoder = _file_encoders.begin ();
DCPTime const video_frame = DCPTime::from_frames (1, _film->video_frame_rate ());
int const audio_frames = video_frame.frames_round(_film->audio_frame_rate());
float* interleaved = new float[_output_audio_channels * audio_frames];
shared_ptr<AudioBuffers> deinterleaved (new AudioBuffers (_output_audio_channels, audio_frames));
+ int const gets_per_frame = _film->three_d() ? 2 : 1;
for (DCPTime i; i < _film->length(); i += video_frame) {
if (_file_encoders.size() > 1 && !reel->contains(i)) {
DCPOMATIC_ASSERT (encoder != _file_encoders.end());
}
- pair<shared_ptr<PlayerVideo>, DCPTime> v = _butler->get_video ();
- (*encoder)->video (v.first, v.second);
+ for (int j = 0; j < gets_per_frame; ++j) {
+ Butler::Error e;
+ pair<shared_ptr<PlayerVideo>, DCPTime> v = _butler->get_video (true, &e);
+ _butler->rethrow ();
+ if (!v.first) {
+ throw ProgrammingError(__FILE__, __LINE__, String::compose("butler returned no video; error was %1", static_cast<int>(e)));
+ }
+ shared_ptr<FFmpegFileEncoder> fe = encoder->get (v.first->eyes());
+ if (fe) {
+ fe->video(v.first, v.second);
+ }
+ }
_history.event ();
job->set_progress (float(i.get()) / _film->length().get());
}
+ waker.nudge ();
+
_butler->get_audio (interleaved, audio_frames);
/* XXX: inefficient; butler interleaves and we deinterleave again */
float* p = interleaved;
deinterleaved->data(k)[j] = *p++;
}
}
- (*encoder)->audio (deinterleaved);
+ encoder->audio (deinterleaved);
}
delete[] interleaved;
- BOOST_FOREACH (shared_ptr<FFmpegFileEncoder> i, _file_encoders) {
- i->flush ();
+ BOOST_FOREACH (FileEncoderSet i, _file_encoders) {
+ i.flush ();
}
}
-float
+optional<float>
FFmpegEncoder::current_rate () const
{
return _history.rate ();
boost::mutex::scoped_lock lm (_mutex);
return _last_time.frames_round (_film->video_frame_rate ());
}
+
+FFmpegEncoder::FileEncoderSet::FileEncoderSet (
+ dcp::Size video_frame_size,
+ int video_frame_rate,
+ int audio_frame_rate,
+ int channels,
+ ExportFormat format,
+ int x264_crf,
+ bool three_d,
+ boost::filesystem::path output,
+ string extension
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+ , optional<dcp::Key> key
+ , optional<string> id
+#endif
+ )
+{
+ if (three_d) {
+ /// TRANSLATORS: L here is an abbreviation for "left", to indicate the left-eye part of a 3D export
+ _encoders[EYES_LEFT] = shared_ptr<FFmpegFileEncoder>(
+ new FFmpegFileEncoder(video_frame_size, video_frame_rate, audio_frame_rate, channels, format, x264_crf, String::compose("%1_%2%3", output.string(), _("L"), extension)
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+ , key, id
+#endif
+ )
+ );
+ /// TRANSLATORS: R here is an abbreviation for "right", to indicate the right-eye part of a 3D export
+ _encoders[EYES_RIGHT] = shared_ptr<FFmpegFileEncoder>(
+ new FFmpegFileEncoder(video_frame_size, video_frame_rate, audio_frame_rate, channels, format, x264_crf, String::compose("%1_%2%3", output.string(), _("R"), extension)
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+ , key, id
+#endif
+ )
+ );
+ } else {
+ _encoders[EYES_BOTH] = shared_ptr<FFmpegFileEncoder>(
+ new FFmpegFileEncoder(video_frame_size, video_frame_rate, audio_frame_rate, channels, format, x264_crf, String::compose("%1%2", output.string(), extension)
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+ , key, id
+#endif
+ )
+ );
+ }
+}
+
+shared_ptr<FFmpegFileEncoder>
+FFmpegEncoder::FileEncoderSet::get (Eyes eyes) const
+{
+ if (_encoders.size() == 1) {
+ /* We are doing a 2D export... */
+ if (eyes == EYES_LEFT) {
+ /* ...but we got some 3D data; put the left eye into the output... */
+ eyes = EYES_BOTH;
+ } else if (eyes == EYES_RIGHT) {
+ /* ...and ignore the right eye.*/
+ return shared_ptr<FFmpegFileEncoder>();
+ }
+ }
+
+ map<Eyes, boost::shared_ptr<FFmpegFileEncoder> >::const_iterator i = _encoders.find (eyes);
+ DCPOMATIC_ASSERT (i != _encoders.end());
+ return i->second;
+}
+
+void
+FFmpegEncoder::FileEncoderSet::flush ()
+{
+ for (map<Eyes, boost::shared_ptr<FFmpegFileEncoder> >::iterator i = _encoders.begin(); i != _encoders.end(); ++i) {
+ i->second->flush ();
+ }
+}
+
+void
+FFmpegEncoder::FileEncoderSet::audio (shared_ptr<AudioBuffers> a)
+{
+ for (map<Eyes, boost::shared_ptr<FFmpegFileEncoder> >::iterator i = _encoders.begin(); i != _encoders.end(); ++i) {
+ i->second->audio (a);
+ }
+}
projects / dcpomatic.git / blobdiff