X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_content.cc;h=f810d53be21374e27cd3e929214d04130fcb98b6;hb=362ed9ee4f73bee21b3ef8d3b449bb8e8877f501;hp=cc95105e5cc280afc482f3c607df477c8ceb76dd;hpb=1bff0990433ab0ce588acaef7c589fa623bd998b;p=dcpomatic.git diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc index cc95105e5..f810d53be 100644 --- a/src/lib/ffmpeg_content.cc +++ b/src/lib/ffmpeg_content.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2013 Carl Hetherington + Copyright (C) 2013-2014 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,13 +17,20 @@ */ +extern "C" { +#include +} #include +#include #include "ffmpeg_content.h" -#include "ffmpeg_decoder.h" +#include "ffmpeg_examiner.h" #include "compose.hpp" #include "job.h" #include "util.h" +#include "filter.h" +#include "film.h" #include "log.h" +#include "exceptions.h" #include "i18n.h" @@ -31,54 +38,87 @@ using std::string; using std::stringstream; using std::vector; using std::list; +using std::cout; +using std::pair; using boost::shared_ptr; -using boost::lexical_cast; +using boost::dynamic_pointer_cast; +using libdcp::raw_convert; int const FFmpegContentProperty::SUBTITLE_STREAMS = 100; int const FFmpegContentProperty::SUBTITLE_STREAM = 101; int const FFmpegContentProperty::AUDIO_STREAMS = 102; int const FFmpegContentProperty::AUDIO_STREAM = 103; +int const FFmpegContentProperty::FILTERS = 104; -FFmpegContent::FFmpegContent (boost::filesystem::path f) - : Content (f) - , VideoContent (f) - , AudioContent (f) +FFmpegContent::FFmpegContent (shared_ptr f, boost::filesystem::path p) + : Content (f, p) + , VideoContent (f, p) + , AudioContent (f, p) + , SubtitleContent (f, p) { } -FFmpegContent::FFmpegContent (shared_ptr node) - : Content (node) - , VideoContent (node) - , AudioContent (node) +FFmpegContent::FFmpegContent (shared_ptr f, shared_ptr node, int version, list& notes) + : Content (f, node) + , VideoContent (f, node, version) + , AudioContent (f, node) + , SubtitleContent (f, node, version) { - list > c = node->node_children ("SubtitleStream"); - for (list >::const_iterator i = c.begin(); i != c.end(); ++i) { - _subtitle_streams.push_back (FFmpegSubtitleStream (*i)); + list c = node->node_children ("SubtitleStream"); + for (list::const_iterator i = c.begin(); i != c.end(); ++i) { + _subtitle_streams.push_back (shared_ptr (new FFmpegSubtitleStream (*i))); if ((*i)->optional_number_child ("Selected")) { _subtitle_stream = _subtitle_streams.back (); } } c = node->node_children ("AudioStream"); - for (list >::const_iterator i = c.begin(); i != c.end(); ++i) { - _audio_streams.push_back (FFmpegAudioStream (*i)); + for (list::const_iterator i = c.begin(); i != c.end(); ++i) { + _audio_streams.push_back (shared_ptr (new FFmpegAudioStream (*i, version))); if ((*i)->optional_number_child ("Selected")) { _audio_stream = _audio_streams.back (); } } + + c = node->node_children ("Filter"); + for (list::iterator i = c.begin(); i != c.end(); ++i) { + Filter const * f = Filter::from_id ((*i)->content ()); + if (f) { + _filters.push_back (f); + } else { + notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content())); + } + } + + _first_video = node->optional_number_child ("FirstVideo"); } -FFmpegContent::FFmpegContent (FFmpegContent const & o) - : Content (o) - , VideoContent (o) - , AudioContent (o) - , _subtitle_streams (o._subtitle_streams) - , _subtitle_stream (o._subtitle_stream) - , _audio_streams (o._audio_streams) - , _audio_stream (o._audio_stream) +FFmpegContent::FFmpegContent (shared_ptr f, vector > c) + : Content (f, c) + , VideoContent (f, c) + , AudioContent (f, c) + , SubtitleContent (f, c) { + shared_ptr ref = dynamic_pointer_cast (c[0]); + assert (ref); + + for (size_t i = 0; i < c.size(); ++i) { + shared_ptr fc = dynamic_pointer_cast (c[i]); + if (f->with_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) { + throw JoinError (_("Content to be joined must use the same subtitle stream.")); + } + if (*(fc->_audio_stream.get()) != *(ref->_audio_stream.get())) { + throw JoinError (_("Content to be joined must use the same audio stream.")); + } + } + + _subtitle_streams = ref->subtitle_streams (); + _subtitle_stream = ref->subtitle_stream (); + _audio_streams = ref->audio_streams (); + _audio_stream = ref->audio_stream (); + _first_video = ref->_first_video; } void @@ -87,77 +127,108 @@ FFmpegContent::as_xml (xmlpp::Node* node) const node->add_child("Type")->add_child_text ("FFmpeg"); Content::as_xml (node); VideoContent::as_xml (node); + AudioContent::as_xml (node); + SubtitleContent::as_xml (node); boost::mutex::scoped_lock lm (_mutex); - for (vector::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) { + for (vector >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) { xmlpp::Node* t = node->add_child("SubtitleStream"); - if (_subtitle_stream && *i == _subtitle_stream.get()) { + if (_subtitle_stream && *i == _subtitle_stream) { t->add_child("Selected")->add_child_text("1"); } - i->as_xml (t); + (*i)->as_xml (t); } - for (vector::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) { + for (vector >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) { xmlpp::Node* t = node->add_child("AudioStream"); - if (_audio_stream && *i == _audio_stream.get()) { + if (_audio_stream && *i == _audio_stream) { t->add_child("Selected")->add_child_text("1"); } - i->as_xml (t); + (*i)->as_xml (t); + } + + for (vector::const_iterator i = _filters.begin(); i != _filters.end(); ++i) { + node->add_child("Filter")->add_child_text ((*i)->id ()); + } + + if (_first_video) { + node->add_child("FirstVideo")->add_child_text (raw_convert (_first_video.get ())); } } void -FFmpegContent::examine (shared_ptr film, shared_ptr job, bool quick) +FFmpegContent::examine (shared_ptr job) { job->set_progress_unknown (); - Content::examine (film, job, quick); - - shared_ptr decoder (new FFmpegDecoder (film, shared_from_this (), true, false, false, true)); - - ContentVideoFrame video_length = 0; - if (quick) { - video_length = decoder->video_length (); - film->log()->log (String::compose ("Video length obtained from header as %1 frames", decoder->video_length ())); - } else { - while (!decoder->pass ()) { - /* keep going */ - } - - video_length = decoder->video_frame (); - film->log()->log (String::compose ("Video length examined as %1 frames", decoder->video_frame ())); - } - - { - boost::mutex::scoped_lock lm (_mutex); - - _video_length = video_length; - - _subtitle_streams = decoder->subtitle_streams (); - if (!_subtitle_streams.empty ()) { - _subtitle_stream = _subtitle_streams.front (); - } - - _audio_streams = decoder->audio_streams (); - if (!_audio_streams.empty ()) { - _audio_stream = _audio_streams.front (); - } - } - - take_from_video_decoder (decoder); - - signal_changed (VideoContentProperty::VIDEO_LENGTH); - signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS); - signal_changed (FFmpegContentProperty::SUBTITLE_STREAM); - signal_changed (FFmpegContentProperty::AUDIO_STREAMS); - signal_changed (FFmpegContentProperty::AUDIO_STREAM); + Content::examine (job); + + shared_ptr film = _film.lock (); + assert (film); + + shared_ptr examiner (new FFmpegExaminer (shared_from_this ())); + + VideoContent::Frame video_length = 0; + video_length = examiner->video_length (); + film->log()->log (String::compose ("Video length obtained from header as %1 frames", video_length)); + + { + boost::mutex::scoped_lock lm (_mutex); + + _video_length = video_length; + + _subtitle_streams = examiner->subtitle_streams (); + if (!_subtitle_streams.empty ()) { + _subtitle_stream = _subtitle_streams.front (); + } + + _audio_streams = examiner->audio_streams (); + if (!_audio_streams.empty ()) { + _audio_stream = _audio_streams.front (); + } + + _first_video = examiner->first_video (); + } + + take_from_video_examiner (examiner); + + signal_changed (ContentProperty::LENGTH); + signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS); + signal_changed (FFmpegContentProperty::SUBTITLE_STREAM); + signal_changed (FFmpegContentProperty::AUDIO_STREAMS); + signal_changed (FFmpegContentProperty::AUDIO_STREAM); + signal_changed (AudioContentProperty::AUDIO_CHANNELS); } string FFmpegContent::summary () const { - return String::compose (_("Movie: %1"), file().filename ()); + /* Get the string() here so that the name does not have quotes around it */ + return String::compose (_("%1 [movie]"), path_summary ()); +} + +string +FFmpegContent::technical_summary () const +{ + string as = "none"; + if (_audio_stream) { + as = _audio_stream->technical_summary (); + } + + string ss = "none"; + if (_subtitle_stream) { + ss = _subtitle_stream->technical_summary (); + } + + string filt = Filter::ffmpeg_string (_filters); + + return Content::technical_summary() + " - " + + VideoContent::technical_summary() + " - " + + AudioContent::technical_summary() + " - " + + String::compose ( + "ffmpeg: audio %1, subtitle %2, filters %3", as, ss, filt + ); } string @@ -169,101 +240,171 @@ FFmpegContent::information () const stringstream s; - s << String::compose (_("%1 frames; %2 frames per second"), video_length(), video_frame_rate()) << "\n"; + s << String::compose (_("%1 frames; %2 frames per second"), video_length_after_3d_combine(), video_frame_rate()) << "\n"; s << VideoContent::information (); return s.str (); } void -FFmpegContent::set_subtitle_stream (FFmpegSubtitleStream s) +FFmpegContent::set_subtitle_stream (shared_ptr s) { - { - boost::mutex::scoped_lock lm (_mutex); - _subtitle_stream = s; - } + { + boost::mutex::scoped_lock lm (_mutex); + _subtitle_stream = s; + } - signal_changed (FFmpegContentProperty::SUBTITLE_STREAM); + signal_changed (FFmpegContentProperty::SUBTITLE_STREAM); } void -FFmpegContent::set_audio_stream (FFmpegAudioStream s) +FFmpegContent::set_audio_stream (shared_ptr s) { - { - boost::mutex::scoped_lock lm (_mutex); - _audio_stream = s; - } + { + boost::mutex::scoped_lock lm (_mutex); + _audio_stream = s; + } - signal_changed (FFmpegContentProperty::AUDIO_STREAM); + signal_changed (FFmpegContentProperty::AUDIO_STREAM); } -ContentAudioFrame +AudioContent::Frame FFmpegContent::audio_length () const { - if (!_audio_stream) { - return 0; - } - - return video_frames_to_audio_frames (_video_length, audio_frame_rate(), video_frame_rate()); + int const cafr = content_audio_frame_rate (); + float const vfr = video_frame_rate (); + VideoContent::Frame const vl = video_length_after_3d_combine (); + + boost::mutex::scoped_lock lm (_mutex); + if (!_audio_stream) { + return 0; + } + + return video_frames_to_audio_frames (vl, cafr, vfr); } int FFmpegContent::audio_channels () const { - if (!_audio_stream) { - return 0; - } + boost::mutex::scoped_lock lm (_mutex); + + if (!_audio_stream) { + return 0; + } - return _audio_stream->channels (); + return _audio_stream->channels; } int -FFmpegContent::audio_frame_rate () const +FFmpegContent::content_audio_frame_rate () const { - if (!_audio_stream) { - return 0; - } + boost::mutex::scoped_lock lm (_mutex); - return _audio_stream->frame_rate; + if (!_audio_stream) { + return 0; + } + + return _audio_stream->frame_rate; } -int64_t -FFmpegContent::audio_channel_layout () const +int +FFmpegContent::output_audio_frame_rate () const { - if (!_audio_stream) { - return 0; - } + shared_ptr film = _film.lock (); + assert (film); + + /* Resample to a DCI-approved sample rate */ + double t = dcp_audio_frame_rate (content_audio_frame_rate ()); + + FrameRateConversion frc (video_frame_rate(), film->video_frame_rate()); + + /* Compensate if the DCP is being run at a different frame rate + to the source; that is, if the video is run such that it will + look different in the DCP compared to the source (slower or faster). + skip/repeat doesn't come into effect here. + */ + + if (frc.change_speed) { + t *= video_frame_rate() * frc.factor() / film->video_frame_rate(); + } - return _audio_stream->channel_layout; + return rint (t); } - + bool -operator== (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b) +operator== (FFmpegStream const & a, FFmpegStream const & b) { - return a.id == b.id; + return a._id == b._id; } bool -operator== (FFmpegAudioStream const & a, FFmpegAudioStream const & b) +operator!= (FFmpegStream const & a, FFmpegStream const & b) +{ + return a._id != b._id; +} + +FFmpegStream::FFmpegStream (shared_ptr node) + : name (node->string_child ("Name")) + , _id (node->number_child ("Id")) +{ + +} + +void +FFmpegStream::as_xml (xmlpp::Node* root) const { - return a.id == b.id; + root->add_child("Name")->add_child_text (name); + root->add_child("Id")->add_child_text (raw_convert (_id)); } -FFmpegAudioStream::FFmpegAudioStream (shared_ptr node) +FFmpegAudioStream::FFmpegAudioStream (shared_ptr node, int version) + : FFmpegStream (node) + , mapping (node->node_child ("Mapping"), version) { - name = node->string_child ("Name"); - id = node->number_child ("Id"); frame_rate = node->number_child ("FrameRate"); - channel_layout = node->number_child ("ChannelLayout"); + channels = node->number_child ("Channels"); + first_audio = node->optional_number_child ("FirstAudio"); } void FFmpegAudioStream::as_xml (xmlpp::Node* root) const { - root->add_child("Name")->add_child_text (name); - root->add_child("Id")->add_child_text (lexical_cast (id)); - root->add_child("FrameRate")->add_child_text (lexical_cast (frame_rate)); - root->add_child("ChannelLayout")->add_child_text (lexical_cast (channel_layout)); + FFmpegStream::as_xml (root); + root->add_child("FrameRate")->add_child_text (raw_convert (frame_rate)); + root->add_child("Channels")->add_child_text (raw_convert (channels)); + if (first_audio) { + root->add_child("FirstAudio")->add_child_text (raw_convert (first_audio.get ())); + } + mapping.as_xml (root->add_child("Mapping")); +} + +bool +FFmpegStream::uses_index (AVFormatContext const * fc, int index) const +{ + size_t i = 0; + while (i < fc->nb_streams) { + if (fc->streams[i]->id == _id) { + return int (i) == index; + } + ++i; + } + + return false; +} + +AVStream * +FFmpegStream::stream (AVFormatContext const * fc) const +{ + size_t i = 0; + while (i < fc->nb_streams) { + if (fc->streams[i]->id == _id) { + return fc->streams[i]; + } + ++i; + } + + assert (false); + return 0; } /** Construct a SubtitleStream from a value returned from to_string(). @@ -271,20 +412,94 @@ FFmpegAudioStream::as_xml (xmlpp::Node* root) const * @param v State file version. */ FFmpegSubtitleStream::FFmpegSubtitleStream (shared_ptr node) + : FFmpegStream (node) { - name = node->string_child ("Name"); - id = node->number_child ("Id"); + } void FFmpegSubtitleStream::as_xml (xmlpp::Node* root) const { - root->add_child("Name")->add_child_text (name); - root->add_child("Id")->add_child_text (lexical_cast (id)); + FFmpegStream::as_xml (root); +} + +Time +FFmpegContent::full_length () const +{ + shared_ptr film = _film.lock (); + assert (film); + + FrameRateConversion frc (video_frame_rate (), film->video_frame_rate ()); + return video_length_after_3d_combine() * frc.factor() * TIME_HZ / film->video_frame_rate (); +} + +AudioMapping +FFmpegContent::audio_mapping () const +{ + boost::mutex::scoped_lock lm (_mutex); + + if (!_audio_stream) { + return AudioMapping (); + } + + return _audio_stream->mapping; +} + +void +FFmpegContent::set_filters (vector const & filters) +{ + { + boost::mutex::scoped_lock lm (_mutex); + _filters = filters; + } + + signal_changed (FFmpegContentProperty::FILTERS); +} + +void +FFmpegContent::set_audio_mapping (AudioMapping m) +{ + audio_stream()->mapping = m; + signal_changed (AudioContentProperty::AUDIO_MAPPING); +} + +string +FFmpegContent::identifier () const +{ + stringstream s; + + s << VideoContent::identifier(); + + boost::mutex::scoped_lock lm (_mutex); + + if (_subtitle_stream) { + s << "_" << _subtitle_stream->identifier (); + } + + for (vector::const_iterator i = _filters.begin(); i != _filters.end(); ++i) { + s << "_" << (*i)->id (); + } + + return s.str (); } -shared_ptr -FFmpegContent::clone () const +boost::filesystem::path +FFmpegContent::audio_analysis_path () const { - return shared_ptr (new FFmpegContent (*this)); + shared_ptr film = _film.lock (); + if (!film) { + return boost::filesystem::path (); + } + + /* We need to include the stream ID in this path so that we get different + analyses for each stream. + */ + + boost::filesystem::path p = film->audio_analysis_dir (); + string name = digest (); + if (audio_stream ()) { + name += "_" + audio_stream()->identifier (); + } + p /= name; + return p; }