2 Copyright (C) 2013-2014 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>
41 #define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
48 using boost::shared_ptr;
49 using boost::dynamic_pointer_cast;
51 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
52 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
53 int const FFmpegContentProperty::AUDIO_STREAMS = 102;
54 int const FFmpegContentProperty::AUDIO_STREAM = 103;
55 int const FFmpegContentProperty::FILTERS = 104;
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)));
83 if ((*i)->optional_number_child<int> ("Selected")) {
84 _audio_stream = _audio_streams.back ();
88 c = node->node_children ("Filter");
89 for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
90 Filter const * f = Filter::from_id ((*i)->content ());
92 _filters.push_back (f);
94 notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content()));
98 _first_video = node->optional_number_child<double> ("FirstVideo");
101 FFmpegContent::FFmpegContent (shared_ptr<const Film> f, vector<boost::shared_ptr<Content> > c)
103 , VideoContent (f, c)
104 , AudioContent (f, c)
105 , SubtitleContent (f, c)
107 shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
108 DCPOMATIC_ASSERT (ref);
110 for (size_t i = 0; i < c.size(); ++i) {
111 shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
112 if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
113 throw JoinError (_("Content to be joined must use the same subtitle stream."));
116 if (*(fc->_audio_stream.get()) != *(ref->_audio_stream.get())) {
117 throw JoinError (_("Content to be joined must use the same audio stream."));
121 _subtitle_streams = ref->subtitle_streams ();
122 _subtitle_stream = ref->subtitle_stream ();
123 _audio_streams = ref->audio_streams ();
124 _audio_stream = ref->audio_stream ();
125 _first_video = ref->_first_video;
129 FFmpegContent::as_xml (xmlpp::Node* node) const
131 node->add_child("Type")->add_child_text ("FFmpeg");
132 Content::as_xml (node);
133 VideoContent::as_xml (node);
134 AudioContent::as_xml (node);
135 SubtitleContent::as_xml (node);
137 boost::mutex::scoped_lock lm (_mutex);
139 for (vector<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
140 xmlpp::Node* t = node->add_child("SubtitleStream");
141 if (_subtitle_stream && *i == _subtitle_stream) {
142 t->add_child("Selected")->add_child_text("1");
147 for (vector<shared_ptr<FFmpegAudioStream> >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
148 xmlpp::Node* t = node->add_child("AudioStream");
149 if (_audio_stream && *i == _audio_stream) {
150 t->add_child("Selected")->add_child_text("1");
155 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
156 node->add_child("Filter")->add_child_text ((*i)->id ());
160 node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
165 FFmpegContent::examine (shared_ptr<Job> job)
167 job->set_progress_unknown ();
169 Content::examine (job);
171 shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
172 take_from_video_examiner (examiner);
174 shared_ptr<const Film> film = _film.lock ();
175 DCPOMATIC_ASSERT (film);
178 boost::mutex::scoped_lock lm (_mutex);
180 _subtitle_streams = examiner->subtitle_streams ();
181 if (!_subtitle_streams.empty ()) {
182 _subtitle_stream = _subtitle_streams.front ();
185 _audio_streams = examiner->audio_streams ();
186 if (!_audio_streams.empty ()) {
187 _audio_stream = _audio_streams.front ();
190 _first_video = examiner->first_video ();
193 signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
194 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
195 signal_changed (FFmpegContentProperty::AUDIO_STREAMS);
196 signal_changed (FFmpegContentProperty::AUDIO_STREAM);
197 signal_changed (AudioContentProperty::AUDIO_CHANNELS);
201 FFmpegContent::summary () const
203 /* Get the string() here so that the name does not have quotes around it */
204 return String::compose (_("%1 [movie]"), path_summary ());
208 FFmpegContent::technical_summary () const
212 as = _audio_stream->technical_summary ();
216 if (_subtitle_stream) {
217 ss = _subtitle_stream->technical_summary ();
220 string filt = Filter::ffmpeg_string (_filters);
222 return Content::technical_summary() + " - "
223 + VideoContent::technical_summary() + " - "
224 + AudioContent::technical_summary() + " - "
226 "ffmpeg: audio %1, subtitle %2, filters %3", as, ss, filt
231 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
234 boost::mutex::scoped_lock lm (_mutex);
235 _subtitle_stream = s;
238 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
242 FFmpegContent::set_audio_stream (shared_ptr<FFmpegAudioStream> s)
245 boost::mutex::scoped_lock lm (_mutex);
249 signal_changed (FFmpegContentProperty::AUDIO_STREAM);
253 FFmpegContent::audio_length () const
255 if (!audio_stream ()) {
256 return ContentTime ();
259 return video_length ();
263 FFmpegContent::audio_channels () const
265 boost::mutex::scoped_lock lm (_mutex);
267 if (!_audio_stream) {
271 return _audio_stream->channels ();
275 FFmpegContent::audio_frame_rate () const
277 boost::mutex::scoped_lock lm (_mutex);
279 if (!_audio_stream) {
283 return _audio_stream->frame_rate ();
287 operator== (FFmpegStream const & a, FFmpegStream const & b)
289 return a._id == b._id;
293 operator!= (FFmpegStream const & a, FFmpegStream const & b)
295 return a._id != b._id;
299 FFmpegContent::full_length () const
301 shared_ptr<const Film> film = _film.lock ();
302 DCPOMATIC_ASSERT (film);
303 return DCPTime (video_length_after_3d_combine(), FrameRateChange (video_frame_rate (), film->video_frame_rate ()));
307 FFmpegContent::audio_mapping () const
309 boost::mutex::scoped_lock lm (_mutex);
311 if (!_audio_stream) {
312 return AudioMapping ();
315 return _audio_stream->mapping ();
319 FFmpegContent::set_filters (vector<Filter const *> const & filters)
322 boost::mutex::scoped_lock lm (_mutex);
326 signal_changed (FFmpegContentProperty::FILTERS);
330 FFmpegContent::set_audio_mapping (AudioMapping m)
332 audio_stream()->set_mapping (m);
333 AudioContent::set_audio_mapping (m);
337 FFmpegContent::identifier () const
341 s << VideoContent::identifier();
343 boost::mutex::scoped_lock lm (_mutex);
345 if (_subtitle_stream) {
346 s << "_" << _subtitle_stream->identifier ();
349 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
350 s << "_" << (*i)->id ();
356 boost::filesystem::path
357 FFmpegContent::audio_analysis_path () const
359 shared_ptr<const Film> film = _film.lock ();
361 return boost::filesystem::path ();
364 /* We need to include the stream ID in this path so that we get different
365 analyses for each stream.
368 boost::filesystem::path p = film->audio_analysis_dir ();
369 string name = digest();
370 if (audio_stream ()) {
371 name += "_" + audio_stream()->identifier ();
377 list<ContentTimePeriod>
378 FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
380 list<ContentTimePeriod> d;
382 shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
387 /* XXX: inefficient */
388 for (vector<ContentTimePeriod>::const_iterator i = stream->periods.begin(); i != stream->periods.end(); ++i) {
389 if ((starting && period.contains (i->from)) || (!starting && period.overlaps (*i))) {
398 FFmpegContent::has_subtitles () const
400 return !subtitle_streams().empty ();