2 Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "ffmpeg_content.h"
21 #include "ffmpeg_examiner.h"
22 #include "ffmpeg_subtitle_stream.h"
23 #include "ffmpeg_audio_stream.h"
24 #include "compose.hpp"
30 #include "exceptions.h"
31 #include "frame_rate_change.h"
32 #include "safe_stringstream.h"
33 #include "raw_convert.h"
34 #include <libcxml/cxml.h>
36 #include <libavformat/avformat.h>
38 #include <boost/foreach.hpp>
42 #define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
49 using boost::shared_ptr;
50 using boost::dynamic_pointer_cast;
52 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
53 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
54 int const FFmpegContentProperty::AUDIO_STREAMS = 102;
55 int const FFmpegContentProperty::FILTERS = 103;
57 FFmpegContent::FFmpegContent (shared_ptr<const Film> f, boost::filesystem::path p)
61 , SubtitleContent (f, p)
66 FFmpegContent::FFmpegContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version, list<string>& notes)
68 , VideoContent (f, node, version)
69 , AudioContent (f, node)
70 , SubtitleContent (f, node, version)
72 list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
73 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
74 _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i)));
75 if ((*i)->optional_number_child<int> ("Selected")) {
76 _subtitle_stream = _subtitle_streams.back ();
80 c = node->node_children ("AudioStream");
81 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
82 _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i, version)));
85 c = node->node_children ("Filter");
86 for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
87 Filter const * f = Filter::from_id ((*i)->content ());
89 _filters.push_back (f);
91 notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content()));
95 _first_video = node->optional_number_child<double> ("FirstVideo");
98 FFmpegContent::FFmpegContent (shared_ptr<const Film> f, vector<boost::shared_ptr<Content> > c)
100 , VideoContent (f, c)
101 , AudioContent (f, c)
102 , SubtitleContent (f, c)
104 shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
105 DCPOMATIC_ASSERT (ref);
107 for (size_t i = 0; i < c.size(); ++i) {
108 shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
109 if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
110 throw JoinError (_("Content to be joined must use the same subtitle stream."));
114 _subtitle_streams = ref->subtitle_streams ();
115 _subtitle_stream = ref->subtitle_stream ();
116 _audio_streams = ref->ffmpeg_audio_streams ();
117 _first_video = ref->_first_video;
121 FFmpegContent::as_xml (xmlpp::Node* node) const
123 node->add_child("Type")->add_child_text ("FFmpeg");
124 Content::as_xml (node);
125 VideoContent::as_xml (node);
126 AudioContent::as_xml (node);
127 SubtitleContent::as_xml (node);
129 boost::mutex::scoped_lock lm (_mutex);
131 for (vector<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
132 xmlpp::Node* t = node->add_child("SubtitleStream");
133 if (_subtitle_stream && *i == _subtitle_stream) {
134 t->add_child("Selected")->add_child_text("1");
139 for (vector<shared_ptr<FFmpegAudioStream> >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
140 (*i)->as_xml (node->add_child("AudioStream"));
143 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
144 node->add_child("Filter")->add_child_text ((*i)->id ());
148 node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
153 FFmpegContent::examine (shared_ptr<Job> job)
155 job->set_progress_unknown ();
157 Content::examine (job);
159 shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
160 take_from_video_examiner (examiner);
162 shared_ptr<const Film> film = _film.lock ();
163 DCPOMATIC_ASSERT (film);
166 boost::mutex::scoped_lock lm (_mutex);
168 _subtitle_streams = examiner->subtitle_streams ();
169 if (!_subtitle_streams.empty ()) {
170 _subtitle_stream = _subtitle_streams.front ();
173 _audio_streams = examiner->audio_streams ();
175 if (!_audio_streams.empty ()) {
176 AudioMapping m = _audio_streams.front()->mapping ();
178 _audio_streams.front()->set_mapping (m);
181 _first_video = examiner->first_video ();
184 signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
185 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
186 signal_changed (FFmpegContentProperty::AUDIO_STREAMS);
190 FFmpegContent::summary () const
192 /* Get the string() here so that the name does not have quotes around it */
193 return String::compose (_("%1 [movie]"), path_summary ());
197 FFmpegContent::technical_summary () const
200 BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, ffmpeg_audio_streams ()) {
201 as += i->technical_summary () + " " ;
209 if (_subtitle_stream) {
210 ss = _subtitle_stream->technical_summary ();
213 string filt = Filter::ffmpeg_string (_filters);
215 return Content::technical_summary() + " - "
216 + VideoContent::technical_summary() + " - "
217 + AudioContent::technical_summary() + " - "
219 "ffmpeg: audio %1 subtitle %2 filters %3", as, ss, filt
224 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
227 boost::mutex::scoped_lock lm (_mutex);
228 _subtitle_stream = s;
231 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
235 operator== (FFmpegStream const & a, FFmpegStream const & b)
237 return a._id == b._id;
241 operator!= (FFmpegStream const & a, FFmpegStream const & b)
243 return a._id != b._id;
247 FFmpegContent::full_length () const
249 shared_ptr<const Film> film = _film.lock ();
250 DCPOMATIC_ASSERT (film);
251 FrameRateChange const frc (video_frame_rate (), film->video_frame_rate ());
252 return DCPTime::from_frames (rint (video_length_after_3d_combine() * frc.factor()), film->video_frame_rate());
256 FFmpegContent::set_filters (vector<Filter const *> const & filters)
259 boost::mutex::scoped_lock lm (_mutex);
263 signal_changed (FFmpegContentProperty::FILTERS);
267 FFmpegContent::identifier () const
271 s << VideoContent::identifier();
273 boost::mutex::scoped_lock lm (_mutex);
275 if (_subtitle_stream) {
276 s << "_" << _subtitle_stream->identifier ();
279 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
280 s << "_" << (*i)->id ();
286 list<ContentTimePeriod>
287 FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
289 shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
291 return list<ContentTimePeriod> ();
294 return stream->subtitles_during (period, starting);
298 FFmpegContent::has_subtitles () const
300 return !subtitle_streams().empty ();
304 FFmpegContent::set_default_colour_conversion ()
306 dcp::Size const s = video_size ();
308 boost::mutex::scoped_lock lm (_mutex);
310 if (s.width < 1080) {
311 _colour_conversion = PresetColourConversion::from_id ("rec601").conversion;
313 _colour_conversion = PresetColourConversion::from_id ("rec709").conversion;
317 vector<AudioStreamPtr>
318 FFmpegContent::audio_streams () const
320 boost::mutex::scoped_lock lm (_mutex);
322 vector<AudioStreamPtr> s;
323 copy (_audio_streams.begin(), _audio_streams.end(), back_inserter (s));