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>
37 #include <libavutil/pixdesc.h>
39 #include <libxml++/libxml++.h>
40 #include <boost/foreach.hpp>
45 #define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
53 using boost::shared_ptr;
54 using boost::dynamic_pointer_cast;
55 using boost::optional;
57 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
58 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
59 int const FFmpegContentProperty::FILTERS = 102;
61 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, boost::filesystem::path p)
63 , VideoContent (film, p)
64 , AudioContent (film, p)
65 , SubtitleContent (film, p)
70 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, list<string>& notes)
71 : Content (film, node)
72 , VideoContent (film, node, version)
73 , AudioContent (film, node)
74 , SubtitleContent (film, node, version)
76 list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
77 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
78 _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i)));
79 if ((*i)->optional_number_child<int> ("Selected")) {
80 _subtitle_stream = _subtitle_streams.back ();
84 c = node->node_children ("AudioStream");
85 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
86 _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i, version)));
87 if (version < 11 && !(*i)->optional_node_child ("Selected")) {
88 /* This is an old file and this stream is not selected, so un-map it */
89 _audio_streams.back()->set_mapping (AudioMapping (_audio_streams.back()->channels (), MAX_DCP_AUDIO_CHANNELS));
93 c = node->node_children ("Filter");
94 for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
95 Filter const * f = Filter::from_id ((*i)->content ());
97 _filters.push_back (f);
99 notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content()));
103 optional<ContentTime::Type> const f = node->optional_number_child<ContentTime::Type> ("FirstVideo");
105 _first_video = ContentTime (f.get ());
108 _color_range = static_cast<AVColorRange> (node->optional_number_child<int>("ColorRange").get_value_or (AVCOL_RANGE_UNSPECIFIED));
109 _color_primaries = static_cast<AVColorPrimaries> (node->optional_number_child<int>("ColorPrimaries").get_value_or (AVCOL_PRI_UNSPECIFIED));
110 _color_trc = static_cast<AVColorTransferCharacteristic> (
111 node->optional_number_child<int>("ColorTransferCharacteristic").get_value_or (AVCOL_TRC_UNSPECIFIED)
113 _colorspace = static_cast<AVColorSpace> (node->optional_number_child<int>("Colorspace").get_value_or (AVCOL_SPC_UNSPECIFIED));
114 _bits_per_pixel = node->optional_number_child<int> ("BitsPerPixel");
118 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, vector<boost::shared_ptr<Content> > c)
120 , VideoContent (film, c)
121 , AudioContent (film, c)
122 , SubtitleContent (film, c)
124 shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
125 DCPOMATIC_ASSERT (ref);
127 for (size_t i = 0; i < c.size(); ++i) {
128 shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
129 if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
130 throw JoinError (_("Content to be joined must use the same subtitle stream."));
134 _subtitle_streams = ref->subtitle_streams ();
135 _subtitle_stream = ref->subtitle_stream ();
136 _audio_streams = ref->ffmpeg_audio_streams ();
137 _first_video = ref->_first_video;
141 FFmpegContent::as_xml (xmlpp::Node* node) const
143 node->add_child("Type")->add_child_text ("FFmpeg");
144 Content::as_xml (node);
145 VideoContent::as_xml (node);
146 AudioContent::as_xml (node);
147 SubtitleContent::as_xml (node);
149 boost::mutex::scoped_lock lm (_mutex);
151 for (vector<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
152 xmlpp::Node* t = node->add_child("SubtitleStream");
153 if (_subtitle_stream && *i == _subtitle_stream) {
154 t->add_child("Selected")->add_child_text("1");
159 for (vector<shared_ptr<FFmpegAudioStream> >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
160 (*i)->as_xml (node->add_child("AudioStream"));
163 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
164 node->add_child("Filter")->add_child_text ((*i)->id ());
168 node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
171 node->add_child("ColorRange")->add_child_text (raw_convert<string> (_color_range));
172 node->add_child("ColorPrimaries")->add_child_text (raw_convert<string> (_color_primaries));
173 node->add_child("ColorTransferCharacteristic")->add_child_text (raw_convert<string> (_color_trc));
174 node->add_child("Colorspace")->add_child_text (raw_convert<string> (_colorspace));
175 if (_bits_per_pixel) {
176 node->add_child("BitsPerPixel")->add_child_text (raw_convert<string> (_bits_per_pixel.get ()));
181 FFmpegContent::examine (shared_ptr<Job> job)
183 job->set_progress_unknown ();
185 Content::examine (job);
187 shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
188 take_from_video_examiner (examiner);
190 shared_ptr<const Film> film = _film.lock ();
191 DCPOMATIC_ASSERT (film);
194 boost::mutex::scoped_lock lm (_mutex);
196 _subtitle_streams = examiner->subtitle_streams ();
197 if (!_subtitle_streams.empty ()) {
198 _subtitle_stream = _subtitle_streams.front ();
201 _audio_streams = examiner->audio_streams ();
203 if (!_audio_streams.empty ()) {
204 AudioMapping m = _audio_streams.front()->mapping ();
205 film->make_audio_mapping_default (m);
206 _audio_streams.front()->set_mapping (m);
209 _first_video = examiner->first_video ();
211 _color_range = examiner->color_range ();
212 _color_primaries = examiner->color_primaries ();
213 _color_trc = examiner->color_trc ();
214 _colorspace = examiner->colorspace ();
215 _bits_per_pixel = examiner->bits_per_pixel ();
218 signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
219 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
220 signal_changed (AudioContentProperty::AUDIO_STREAMS);
224 FFmpegContent::summary () const
226 /* Get the string() here so that the name does not have quotes around it */
227 return String::compose (_("%1 [movie]"), path_summary ());
231 FFmpegContent::technical_summary () const
234 BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, ffmpeg_audio_streams ()) {
235 as += i->technical_summary () + " " ;
243 if (_subtitle_stream) {
244 ss = _subtitle_stream->technical_summary ();
247 string filt = Filter::ffmpeg_string (_filters);
249 return Content::technical_summary() + " - "
250 + VideoContent::technical_summary() + " - "
251 + AudioContent::technical_summary() + " - "
253 "ffmpeg: audio %1 subtitle %2 filters %3", as, ss, filt
258 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
261 boost::mutex::scoped_lock lm (_mutex);
262 _subtitle_stream = s;
265 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
269 operator== (FFmpegStream const & a, FFmpegStream const & b)
271 return a._id == b._id;
275 operator!= (FFmpegStream const & a, FFmpegStream const & b)
277 return a._id != b._id;
281 FFmpegContent::full_length () const
283 shared_ptr<const Film> film = _film.lock ();
284 DCPOMATIC_ASSERT (film);
285 FrameRateChange const frc (video_frame_rate (), film->video_frame_rate ());
286 return DCPTime::from_frames (llrint (video_length_after_3d_combine() * frc.factor()), film->video_frame_rate());
290 FFmpegContent::set_filters (vector<Filter const *> const & filters)
293 boost::mutex::scoped_lock lm (_mutex);
297 signal_changed (FFmpegContentProperty::FILTERS);
301 FFmpegContent::identifier () const
305 s << VideoContent::identifier() << "_"
306 << SubtitleContent::identifier();
308 boost::mutex::scoped_lock lm (_mutex);
310 if (_subtitle_stream) {
311 s << "_" << _subtitle_stream->identifier ();
314 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
315 s << "_" << (*i)->id ();
321 list<ContentTimePeriod>
322 FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
324 shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
326 return list<ContentTimePeriod> ();
329 return stream->subtitles_during (period, starting);
333 FFmpegContent::has_text_subtitles () const
339 FFmpegContent::has_image_subtitles () const
341 return !subtitle_streams().empty ();
345 FFmpegContent::set_default_colour_conversion ()
347 dcp::Size const s = video_size ();
349 boost::mutex::scoped_lock lm (_mutex);
351 if (s.width < 1080) {
352 _colour_conversion = PresetColourConversion::from_id ("rec601").conversion;
354 _colour_conversion = PresetColourConversion::from_id ("rec709").conversion;
358 vector<AudioStreamPtr>
359 FFmpegContent::audio_streams () const
361 boost::mutex::scoped_lock lm (_mutex);
363 vector<AudioStreamPtr> s;
364 copy (_audio_streams.begin(), _audio_streams.end(), back_inserter (s));
369 FFmpegContent::add_properties (list<pair<string, string> >& p) const
371 VideoContent::add_properties (p);
373 if (_bits_per_pixel) {
374 int const sub = 219 * pow (2, _bits_per_pixel.get() - 8);
375 int const total = pow (2, _bits_per_pixel.get());
377 switch (_color_range) {
378 case AVCOL_RANGE_UNSPECIFIED:
379 p.push_back (make_pair (_("Colour range"), _("Unspecified")));
381 case AVCOL_RANGE_MPEG:
382 p.push_back (make_pair (_("Colour range"), String::compose (_("Limited (%1-%2)"), (total - sub) / 2, (total + sub) / 2)));
384 case AVCOL_RANGE_JPEG:
385 p.push_back (make_pair (_("Colour range"), String::compose (_("Full (0-%1)"), total)));
388 DCPOMATIC_ASSERT (false);
391 switch (_color_range) {
392 case AVCOL_RANGE_UNSPECIFIED:
393 p.push_back (make_pair (_("Colour range"), _("Unspecified")));
395 case AVCOL_RANGE_MPEG:
396 p.push_back (make_pair (_("Colour range"), _("Limited")));
398 case AVCOL_RANGE_JPEG:
399 p.push_back (make_pair (_("Colour range"), _("Full")));
402 DCPOMATIC_ASSERT (false);
406 char const * primaries[] = {
413 _("SMPTE 170M (BT601)"),
419 DCPOMATIC_ASSERT (AVCOL_PRI_NB == 10);
420 p.push_back (make_pair (_("Colour primaries"), primaries[_color_primaries]));
422 char const * transfers[] = {
427 _("Gamma 22 (BT470M)"),
428 _("Gamma 28 (BT470BG)"),
429 _("SMPTE 170M (BT601)"),
432 _("Logarithmic (100:1 range)"),
433 _("Logarithmic (316:1 range)"),
435 _("BT1361 extended colour gamut"),
436 _("IEC61966-2-1 (sRGB or sYCC)"),
437 _("BT2020 for a 10-bit system"),
438 _("BT2020 for a 12-bit system")
441 DCPOMATIC_ASSERT (AVCOL_TRC_NB == 16);
442 p.push_back (make_pair (_("Colour transfer characteristic"), transfers[_color_trc]));
444 char const * spaces[] = {
445 _("RGB / sRGB (IEC61966-2-1)"),
450 _("BT470BG (BT601-6)"),
451 _("SMPTE 170M (BT601-6)"),
454 _("BT2020 non-constant luminance"),
455 _("BT2020 constant luminance"),
458 DCPOMATIC_ASSERT (AVCOL_SPC_NB == 11);
459 p.push_back (make_pair (_("Colourspace"), spaces[_colorspace]));
461 if (_bits_per_pixel) {
462 p.push_back (make_pair (_("Bits per pixel"), raw_convert<string> (_bits_per_pixel.get ())));