2 Copyright (C) 2013-2016 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 "video_content.h"
22 #include "audio_content.h"
23 #include "ffmpeg_examiner.h"
24 #include "ffmpeg_subtitle_stream.h"
25 #include "ffmpeg_audio_stream.h"
26 #include "compose.hpp"
32 #include "exceptions.h"
33 #include "frame_rate_change.h"
34 #include "safe_stringstream.h"
35 #include "raw_convert.h"
36 #include "subtitle_content.h"
37 #include <libcxml/cxml.h>
39 #include <libavformat/avformat.h>
40 #include <libavutil/pixdesc.h>
42 #include <libxml++/libxml++.h>
43 #include <boost/foreach.hpp>
48 #define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
56 using boost::shared_ptr;
57 using boost::dynamic_pointer_cast;
58 using boost::optional;
60 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
61 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
62 int const FFmpegContentProperty::FILTERS = 102;
64 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, boost::filesystem::path p)
70 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, list<string>& notes)
71 : Content (film, node)
73 video = VideoContent::from_xml (this, film, node, version);
74 audio = AudioContent::from_xml (this, film, node);
75 subtitle = SubtitleContent::from_xml (this, film, node, version);
77 list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
78 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
79 _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i, version)));
80 if ((*i)->optional_number_child<int> ("Selected")) {
81 _subtitle_stream = _subtitle_streams.back ();
85 c = node->node_children ("AudioStream");
86 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
87 shared_ptr<FFmpegAudioStream> as (new FFmpegAudioStream (*i, version));
88 audio->add_stream (as);
89 if (version < 11 && !(*i)->optional_node_child ("Selected")) {
90 /* This is an old file and this stream is not selected, so un-map it */
91 as->set_mapping (AudioMapping (as->channels (), MAX_DCP_AUDIO_CHANNELS));
95 c = node->node_children ("Filter");
96 for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
97 Filter const * f = Filter::from_id ((*i)->content ());
99 _filters.push_back (f);
101 notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content()));
105 optional<ContentTime::Type> const f = node->optional_number_child<ContentTime::Type> ("FirstVideo");
107 _first_video = ContentTime (f.get ());
110 _color_range = static_cast<AVColorRange> (node->optional_number_child<int>("ColorRange").get_value_or (AVCOL_RANGE_UNSPECIFIED));
111 _color_primaries = static_cast<AVColorPrimaries> (node->optional_number_child<int>("ColorPrimaries").get_value_or (AVCOL_PRI_UNSPECIFIED));
112 _color_trc = static_cast<AVColorTransferCharacteristic> (
113 node->optional_number_child<int>("ColorTransferCharacteristic").get_value_or (AVCOL_TRC_UNSPECIFIED)
115 _colorspace = static_cast<AVColorSpace> (node->optional_number_child<int>("Colorspace").get_value_or (AVCOL_SPC_UNSPECIFIED));
116 _bits_per_pixel = node->optional_number_child<int> ("BitsPerPixel");
120 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, vector<boost::shared_ptr<Content> > c)
123 video.reset (new VideoContent (this, film, c));
124 audio.reset (new AudioContent (this, film, c));
125 subtitle.reset (new SubtitleContent (this, film, c));
127 shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
128 DCPOMATIC_ASSERT (ref);
130 for (size_t i = 0; i < c.size(); ++i) {
131 shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
132 if (fc->subtitle->use() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
133 throw JoinError (_("Content to be joined must use the same subtitle stream."));
137 /* XXX: should probably check that more of the stuff below is the same in *this and ref */
139 _subtitle_streams = ref->subtitle_streams ();
140 _subtitle_stream = ref->subtitle_stream ();
141 _first_video = ref->_first_video;
142 _filters = ref->_filters;
143 _color_range = ref->_color_range;
144 _color_primaries = ref->_color_primaries;
145 _color_trc = ref->_color_trc;
146 _colorspace = ref->_colorspace;
147 _bits_per_pixel = ref->_bits_per_pixel;
151 FFmpegContent::as_xml (xmlpp::Node* node) const
153 node->add_child("Type")->add_child_text ("FFmpeg");
154 Content::as_xml (node);
157 video->as_xml (node);
161 audio->as_xml (node);
165 subtitle->as_xml (node);
168 boost::mutex::scoped_lock lm (_mutex);
170 for (vector<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
171 xmlpp::Node* t = node->add_child("SubtitleStream");
172 if (_subtitle_stream && *i == _subtitle_stream) {
173 t->add_child("Selected")->add_child_text("1");
178 BOOST_FOREACH (AudioStreamPtr i, audio->streams ()) {
179 shared_ptr<FFmpegAudioStream> f = dynamic_pointer_cast<FFmpegAudioStream> (i);
180 DCPOMATIC_ASSERT (f);
181 f->as_xml (node->add_child("AudioStream"));
184 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
185 node->add_child("Filter")->add_child_text ((*i)->id ());
189 node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
192 node->add_child("ColorRange")->add_child_text (raw_convert<string> (_color_range));
193 node->add_child("ColorPrimaries")->add_child_text (raw_convert<string> (_color_primaries));
194 node->add_child("ColorTransferCharacteristic")->add_child_text (raw_convert<string> (_color_trc));
195 node->add_child("Colorspace")->add_child_text (raw_convert<string> (_colorspace));
196 if (_bits_per_pixel) {
197 node->add_child("BitsPerPixel")->add_child_text (raw_convert<string> (_bits_per_pixel.get ()));
202 FFmpegContent::examine (shared_ptr<Job> job)
204 job->set_progress_unknown ();
206 Content::examine (job);
208 shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
210 if (examiner->has_video ()) {
211 video.reset (new VideoContent (this, film ()));
212 video->take_from_examiner (examiner);
213 set_default_colour_conversion ();
217 boost::mutex::scoped_lock lm (_mutex);
219 if (examiner->has_video ()) {
220 _first_video = examiner->first_video ();
221 _color_range = examiner->color_range ();
222 _color_primaries = examiner->color_primaries ();
223 _color_trc = examiner->color_trc ();
224 _colorspace = examiner->colorspace ();
225 _bits_per_pixel = examiner->bits_per_pixel ();
228 if (!examiner->audio_streams().empty ()) {
229 audio.reset (new AudioContent (this, film ()));
231 BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, examiner->audio_streams ()) {
232 audio->add_stream (i);
235 AudioStreamPtr as = audio->streams().front();
236 AudioMapping m = as->mapping ();
237 film()->make_audio_mapping_default (m);
241 _subtitle_streams = examiner->subtitle_streams ();
242 if (!_subtitle_streams.empty ()) {
243 subtitle.reset (new SubtitleContent (this, film ()));
244 _subtitle_stream = _subtitle_streams.front ();
249 signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
250 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
254 FFmpegContent::summary () const
256 if (video && audio) {
257 return String::compose (_("%1 [movie]"), path_summary ());
259 return String::compose (_("%1 [video]"), path_summary ());
261 return String::compose (_("%1 [audio]"), path_summary ());
264 return path_summary ();
268 FFmpegContent::technical_summary () const
271 BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, ffmpeg_audio_streams ()) {
272 as += i->technical_summary () + " " ;
280 if (_subtitle_stream) {
281 ss = _subtitle_stream->technical_summary ();
284 string filt = Filter::ffmpeg_string (_filters);
286 string s = Content::technical_summary ();
289 s += " - " + video->technical_summary ();
293 s += " - " + audio->technical_summary ();
296 return s + String::compose (
297 "ffmpeg: audio %1 subtitle %2 filters %3", as, ss, filt
302 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
305 boost::mutex::scoped_lock lm (_mutex);
306 _subtitle_stream = s;
309 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
313 operator== (FFmpegStream const & a, FFmpegStream const & b)
315 return a._id == b._id;
319 operator!= (FFmpegStream const & a, FFmpegStream const & b)
321 return a._id != b._id;
325 FFmpegContent::full_length () const
327 FrameRateChange const frc (active_video_frame_rate (), film()->video_frame_rate ());
329 return DCPTime::from_frames (llrint (video->length_after_3d_combine() * frc.factor()), film()->video_frame_rate());
332 DCPOMATIC_ASSERT (audio);
333 return DCPTime::from_frames (llrint (audio->stream()->length() / frc.speed_up), audio->stream()->frame_rate());
337 FFmpegContent::set_filters (vector<Filter const *> const & filters)
340 boost::mutex::scoped_lock lm (_mutex);
344 signal_changed (FFmpegContentProperty::FILTERS);
348 FFmpegContent::identifier () const
352 s << Content::identifier() << "_"
353 << video->identifier() << "_"
354 << subtitle->identifier();
356 boost::mutex::scoped_lock lm (_mutex);
358 if (_subtitle_stream) {
359 s << "_" << _subtitle_stream->identifier ();
362 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
363 s << "_" << (*i)->id ();
369 list<ContentTimePeriod>
370 FFmpegContent::image_subtitles_during (ContentTimePeriod period, bool starting) const
372 shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
374 return list<ContentTimePeriod> ();
377 return stream->image_subtitles_during (period, starting);
380 list<ContentTimePeriod>
381 FFmpegContent::text_subtitles_during (ContentTimePeriod period, bool starting) const
383 shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
385 return list<ContentTimePeriod> ();
388 return stream->text_subtitles_during (period, starting);
392 FFmpegContent::set_default_colour_conversion ()
394 dcp::Size const s = video->size ();
396 boost::mutex::scoped_lock lm (_mutex);
398 if (s.width < 1080) {
399 video->set_colour_conversion (PresetColourConversion::from_id ("rec601").conversion);
401 video->set_colour_conversion (PresetColourConversion::from_id ("rec709").conversion);
406 FFmpegContent::add_properties (list<UserProperty>& p) const
408 Content::add_properties (p);
409 video->add_properties (p);
410 audio->add_properties (p);
412 if (_bits_per_pixel) {
413 int const sub = 219 * pow (2, _bits_per_pixel.get() - 8);
414 int const total = pow (2, _bits_per_pixel.get());
416 switch (_color_range) {
417 case AVCOL_RANGE_UNSPECIFIED:
418 /// TRANSLATORS: this means that the range of pixel values used in this
419 /// file is unknown (not specified in the file).
420 p.push_back (UserProperty (_("Video"), _("Colour range"), _("Unspecified")));
422 case AVCOL_RANGE_MPEG:
423 /// TRANSLATORS: this means that the range of pixel values used in this
424 /// file is limited, so that not all possible values are valid.
427 _("Video"), _("Colour range"), String::compose (_("Limited (%1-%2)"), (total - sub) / 2, (total + sub) / 2)
431 case AVCOL_RANGE_JPEG:
432 /// TRANSLATORS: this means that the range of pixel values used in this
433 /// file is full, so that all possible pixel values are valid.
434 p.push_back (UserProperty (_("Video"), _("Colour range"), String::compose (_("Full (0-%1)"), total)));
437 DCPOMATIC_ASSERT (false);
440 switch (_color_range) {
441 case AVCOL_RANGE_UNSPECIFIED:
442 /// TRANSLATORS: this means that the range of pixel values used in this
443 /// file is unknown (not specified in the file).
444 p.push_back (UserProperty (_("Video"), _("Colour range"), _("Unspecified")));
446 case AVCOL_RANGE_MPEG:
447 /// TRANSLATORS: this means that the range of pixel values used in this
448 /// file is limited, so that not all possible values are valid.
449 p.push_back (UserProperty (_("Video"), _("Colour range"), _("Limited")));
451 case AVCOL_RANGE_JPEG:
452 /// TRANSLATORS: this means that the range of pixel values used in this
453 /// file is full, so that all possible pixel values are valid.
454 p.push_back (UserProperty (_("Video"), _("Colour range"), _("Full")));
457 DCPOMATIC_ASSERT (false);
461 char const * primaries[] = {
468 _("SMPTE 170M (BT601)"),
472 _("SMPTE ST 428-1 (CIE 1931 XYZ)")
475 DCPOMATIC_ASSERT (AVCOL_PRI_NB == 11);
476 p.push_back (UserProperty (_("Video"), _("Colour primaries"), primaries[_color_primaries]));
478 char const * transfers[] = {
483 _("Gamma 22 (BT470M)"),
484 _("Gamma 28 (BT470BG)"),
485 _("SMPTE 170M (BT601)"),
488 _("Logarithmic (100:1 range)"),
489 _("Logarithmic (316:1 range)"),
491 _("BT1361 extended colour gamut"),
492 _("IEC61966-2-1 (sRGB or sYCC)"),
493 _("BT2020 for a 10-bit system"),
494 _("BT2020 for a 12-bit system"),
495 _("SMPTE ST 2084 for 10, 12, 14 and 16 bit systems"),
499 DCPOMATIC_ASSERT (AVCOL_TRC_NB == 18);
500 p.push_back (UserProperty (_("Video"), _("Colour transfer characteristic"), transfers[_color_trc]));
502 char const * spaces[] = {
503 _("RGB / sRGB (IEC61966-2-1)"),
508 _("BT470BG (BT601-6)"),
509 _("SMPTE 170M (BT601-6)"),
512 _("BT2020 non-constant luminance"),
513 _("BT2020 constant luminance"),
516 DCPOMATIC_ASSERT (AVCOL_SPC_NB == 11);
517 p.push_back (UserProperty (_("Video"), _("Colourspace"), spaces[_colorspace]));
519 if (_bits_per_pixel) {
520 p.push_back (UserProperty (_("Video"), _("Bits per pixel"), raw_convert<string> (_bits_per_pixel.get ())));
524 /** Our subtitle streams have colour maps, which can be changed, but
525 * they have no way of signalling that change. As a hack, we have this
526 * method which callers can use when they've modified one of our subtitle
530 FFmpegContent::signal_subtitle_stream_changed ()
532 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
535 vector<shared_ptr<FFmpegAudioStream> >
536 FFmpegContent::ffmpeg_audio_streams () const
538 vector<shared_ptr<FFmpegAudioStream> > fa;
539 BOOST_FOREACH (AudioStreamPtr i, audio->streams()) {
540 fa.push_back (dynamic_pointer_cast<FFmpegAudioStream> (i));