*/
+
+#include "butler.h"
+#include "cross.h"
#include "ffmpeg_encoder.h"
#include "film.h"
+#include "image.h"
#include "job.h"
+#include "log.h"
#include "player.h"
#include "player_video.h"
-#include "log.h"
-#include "image.h"
-#include "cross.h"
-#include "butler.h"
#include "compose.hpp"
#include <iostream>
#include "i18n.h"
-using std::string;
-using std::runtime_error;
+
using std::cout;
-using std::pair;
-using boost::shared_ptr;
+using std::list;
+using std::make_shared;
+using std::shared_ptr;
+using std::string;
+using std::weak_ptr;
using boost::bind;
-using boost::weak_ptr;
+using boost::optional;
+using namespace dcpomatic;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
-FFmpegEncoder::FFmpegEncoder (shared_ptr<const Film> film, weak_ptr<Job> job, boost::filesystem::path output, ExportFormat format, bool mixdown_to_stereo, int x264_crf)
+FFmpegEncoder::FFmpegEncoder (
+ shared_ptr<const Film> film,
+ weak_ptr<Job> job,
+ boost::filesystem::path output,
+ ExportFormat format,
+ bool mixdown_to_stereo,
+ bool split_reels,
+ bool audio_stream_per_channel,
+ int x264_crf
+ )
: Encoder (film, job)
- , _file_encoder (
- _film->frame_size(),
- _film->video_frame_rate(),
- _film->audio_frame_rate(),
- mixdown_to_stereo ? 2 : film->audio_channels(),
- _film->log(),
- format,
- x264_crf,
- output
+ , _output_audio_channels(mixdown_to_stereo ? 2 : (_film->audio_channels() > 8 ? 16 : _film->audio_channels()))
+ , _history (200)
+ , _output (output)
+ , _format (format)
+ , _split_reels (split_reels)
+ , _audio_stream_per_channel (audio_stream_per_channel)
+ , _x264_crf (x264_crf)
+ , _butler(
+ _film,
+ _player,
+ mixdown_to_stereo ? stereo_map() : many_channel_map(),
+ _output_audio_channels,
+ boost::bind(&PlayerVideo::force, FFmpegFileEncoder::pixel_format(format)),
+ VideoRange::VIDEO,
+ Image::Alignment::PADDED,
+ false,
+ false,
+ Butler::Audio::ENABLED
)
- , _history (1000)
{
- _player->set_always_burn_open_subtitles ();
- _player->set_play_referenced ();
-
- int const ch = film->audio_channels ();
-
- AudioMapping map;
- if (mixdown_to_stereo) {
- _output_audio_channels = 2;
- 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);
- } else {
- _output_audio_channels = ch;
- map = AudioMapping (ch, ch);
- for (int i = 0; i < ch; ++i) {
- map.set (i, i, 1);
- }
+ _player.set_always_burn_open_subtitles();
+ _player.set_play_referenced();
+}
+
+
+AudioMapping
+FFmpegEncoder::stereo_map() const
+{
+ auto map = AudioMapping(_film->audio_channels(), 2);
+ float const overall_gain = 2 / (4 + sqrt(2));
+ float const minus_3dB = 1 / sqrt(2);
+ switch (_film->audio_channels()) {
+ case 2:
+ map.set(dcp::Channel::LEFT, 0, 1);
+ map.set(dcp::Channel::RIGHT, 1, 1);
+ break;
+ case 4:
+ map.set(dcp::Channel::LEFT, 0, overall_gain);
+ map.set(dcp::Channel::RIGHT, 1, overall_gain);
+ map.set(dcp::Channel::CENTRE, 0, overall_gain * minus_3dB);
+ map.set(dcp::Channel::CENTRE, 1, overall_gain * minus_3dB);
+ map.set(dcp::Channel::LS, 0, overall_gain);
+ break;
+ case 6:
+ map.set(dcp::Channel::LEFT, 0, overall_gain);
+ map.set(dcp::Channel::RIGHT, 1, overall_gain);
+ map.set(dcp::Channel::CENTRE, 0, overall_gain * minus_3dB);
+ map.set(dcp::Channel::CENTRE, 1, overall_gain * minus_3dB);
+ map.set(dcp::Channel::LS, 0, overall_gain);
+ map.set(dcp::Channel::RS, 1, overall_gain);
+ break;
}
+ /* XXX: maybe we should do something better for >6 channel DCPs */
+ return map;
+}
- _butler.reset (new Butler (_player, film->log(), map, _output_audio_channels));
+
+AudioMapping
+FFmpegEncoder::many_channel_map() const
+{
+ auto map = AudioMapping(_film->audio_channels(), _output_audio_channels);
+ for (int i = 0; i < _film->audio_channels(); ++i) {
+ map.set(i, i, 1);
+ }
+ return map;
}
+
void
FFmpegEncoder::go ()
{
{
- shared_ptr<Job> job = _job.lock ();
+ auto job = _job.lock ();
DCPOMATIC_ASSERT (job);
job->sub (_("Encoding"));
}
- DCPTime const video_frame = DCPTime::from_frames (1, _film->video_frame_rate ());
+ Waker waker;
+
+ list<FileEncoderSet> file_encoders;
+
+ 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,
+ _audio_stream_per_channel,
+ _x264_crf,
+ _film->three_d(),
+ filename,
+ extension
+ )
+ );
+ }
+
+ auto reel_periods = _film->reels ();
+ auto reel = reel_periods.begin ();
+ auto encoder = file_encoders.begin ();
+
+ auto 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));
- for (DCPTime i; i < _film->length(); i += video_frame) {
- pair<shared_ptr<PlayerVideo>, DCPTime> v = _butler->get_video ();
- _file_encoder.video (v.first, v.second);
+ std::vector<float> interleaved(_output_audio_channels * audio_frames);
+ auto deinterleaved = make_shared<AudioBuffers>(_output_audio_channels, audio_frames);
+ int const gets_per_frame = _film->three_d() ? 2 : 1;
+ for (DCPTime time; time < _film->length(); time += video_frame) {
+
+ if (file_encoders.size() > 1 && !reel->contains(time)) {
+ /* Next reel and file */
+ ++reel;
+ ++encoder;
+ DCPOMATIC_ASSERT (reel != reel_periods.end());
+ DCPOMATIC_ASSERT (encoder != file_encoders.end());
+ }
+
+ for (int j = 0; j < gets_per_frame; ++j) {
+ Butler::Error e;
+ auto video = _butler.get_video(Butler::Behaviour::BLOCKING, &e);
+ _butler.rethrow();
+ if (video.first) {
+ auto fe = encoder->get(video.first->eyes());
+ if (fe) {
+ fe->video(video.first, video.second - reel->from);
+ }
+ } else {
+ if (e.code != Butler::Error::Code::FINISHED) {
+ throw DecodeError(String::compose("Error during decoding: %1", e.summary()));
+ }
+ }
+ }
_history.event ();
{
boost::mutex::scoped_lock lm (_mutex);
- _last_time = i;
+ _last_time = time;
}
- shared_ptr<Job> job = _job.lock ();
+ auto job = _job.lock ();
if (job) {
- job->set_progress (float(i.get()) / _film->length().get());
+ job->set_progress(float(time.get()) / _film->length().get());
}
- _butler->get_audio (interleaved, audio_frames);
+ waker.nudge ();
+
+ _butler.get_audio(Butler::Behaviour::BLOCKING, interleaved.data(), audio_frames);
/* XXX: inefficient; butler interleaves and we deinterleave again */
- float* p = interleaved;
+ float* p = interleaved.data();
for (int j = 0; j < audio_frames; ++j) {
for (int k = 0; k < _output_audio_channels; ++k) {
deinterleaved->data(k)[j] = *p++;
}
}
- _file_encoder.audio (deinterleaved);
+ encoder->audio (deinterleaved);
}
- delete[] interleaved;
- _file_encoder.flush ();
+ for (auto 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,
+ bool audio_stream_per_channel,
+ int x264_crf,
+ bool three_d,
+ boost::filesystem::path output,
+ string extension
+ )
+{
+ if (three_d) {
+ _encoders[Eyes::LEFT] = make_shared<FFmpegFileEncoder>(
+ video_frame_size, video_frame_rate, audio_frame_rate, channels, format,
+ // TRANSLATORS: L here is an abbreviation for "left", to indicate the left-eye part of a 3D export
+ audio_stream_per_channel, x264_crf, String::compose("%1_%2%3", output.string(), _("L"), extension)
+ );
+ _encoders[Eyes::RIGHT] = make_shared<FFmpegFileEncoder>(
+ video_frame_size, video_frame_rate, audio_frame_rate, channels, format,
+ // TRANSLATORS: R here is an abbreviation for "right", to indicate the right-eye part of a 3D export
+ audio_stream_per_channel, x264_crf, String::compose("%1_%2%3", output.string(), _("R"), extension)
+ );
+ } else {
+ _encoders[Eyes::BOTH] = make_shared<FFmpegFileEncoder>(
+ video_frame_size, video_frame_rate, audio_frame_rate, channels, format,
+ audio_stream_per_channel, x264_crf, String::compose("%1%2", output.string(), extension)
+ );
+ }
+}
+
+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 {};
+ }
+ }
+
+ auto i = _encoders.find (eyes);
+ DCPOMATIC_ASSERT (i != _encoders.end());
+ return i->second;
+}
+
+void
+FFmpegEncoder::FileEncoderSet::flush ()
+{
+ for (auto& i: _encoders) {
+ i.second->flush ();
+ }
+}
+
+void
+FFmpegEncoder::FileEncoderSet::audio (shared_ptr<AudioBuffers> a)
+{
+ for (auto& i: _encoders) {
+ i.second->audio (a);
+ }
+}