X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg_content.cc;h=3bee49146a5304024d083c6138b00e8332012390;hb=4ba8772aef261da209bbb882325fd61a8b479fd7;hp=ad7af07d864479123513384ecf93241e49176af7;hpb=64a2f1bb6a7b972607fa363631ef7a47444e8217;p=dcpomatic.git diff --git a/src/lib/ffmpeg_content.cc b/src/lib/ffmpeg_content.cc index ad7af07d8..3bee49146 100644 --- a/src/lib/ffmpeg_content.cc +++ b/src/lib/ffmpeg_content.cc @@ -1,5 +1,3 @@ -/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */ - /* Copyright (C) 2013 Carl Hetherington @@ -19,13 +17,19 @@ */ +extern "C" { +#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" @@ -34,54 +38,81 @@ 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; 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 (shared_ptr f, boost::filesystem::path p) : Content (f, p) , VideoContent (f, p) , AudioContent (f, p) + , SubtitleContent (f, p) { } -FFmpegContent::FFmpegContent (shared_ptr f, shared_ptr node) +FFmpegContent::FFmpegContent (shared_ptr f, shared_ptr node, int version) : Content (f, node) , VideoContent (f, node) , 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 (shared_ptr (new 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, version))); 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 (shared_ptr (new 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) { + _filters.push_back (Filter::from_id ((*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 @@ -91,6 +122,7 @@ FFmpegContent::as_xml (xmlpp::Node* node) const Content::as_xml (node); VideoContent::as_xml (node); AudioContent::as_xml (node); + SubtitleContent::as_xml (node); boost::mutex::scoped_lock lm (_mutex); @@ -109,6 +141,14 @@ FFmpegContent::as_xml (xmlpp::Node* node) const } (*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 (lexical_cast (_first_video.get ())); + } } void @@ -121,42 +161,68 @@ FFmpegContent::examine (shared_ptr job) shared_ptr film = _film.lock (); assert (film); - shared_ptr decoder (new FFmpegDecoder (film, shared_from_this (), true, false, false)); + shared_ptr examiner (new FFmpegExaminer (shared_from_this ())); - ContentVideoFrame video_length = 0; - video_length = decoder->video_length (); - film->log()->log (String::compose ("Video length obtained from header as %1 frames", decoder->video_length ())); + VideoFrame 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); + { + boost::mutex::scoped_lock lm (_mutex); - _video_length = video_length; + _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 (); - } - } + _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_decoder (decoder); + take_from_video_examiner (examiner); - 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); - signal_changed (AudioContentProperty::AUDIO_CHANNELS); + 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().string()); + /* 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 = String::compose ("id %1", _audio_stream->id); + } + + string ss = "none"; + if (_subtitle_stream) { + ss = String::compose ("id %1", _subtitle_stream->id); + } + + pair filt = Filter::ffmpeg_strings (_filters); + + return Content::technical_summary() + " - " + + VideoContent::technical_summary() + " - " + + AudioContent::technical_summary() + " - " + + String::compose ( + "ffmpeg: audio %1, subtitle %2, filters %3 %4", as, ss, filt.first, filt.second + ); } string @@ -177,38 +243,38 @@ FFmpegContent::information () const void 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 (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 +AudioFrame FFmpegContent::audio_length () const { int const cafr = content_audio_frame_rate (); int const vfr = video_frame_rate (); - ContentVideoFrame const vl = video_length (); + VideoFrame const vl = video_length (); boost::mutex::scoped_lock lm (_mutex); - if (!_audio_stream) { - return 0; - } - - return video_frames_to_audio_frames (vl, cafr, vfr); + if (!_audio_stream) { + return 0; + } + + return video_frames_to_audio_frames (vl, cafr, vfr); } int @@ -216,11 +282,11 @@ FFmpegContent::audio_channels () const { boost::mutex::scoped_lock lm (_mutex); - if (!_audio_stream) { - return 0; - } + if (!_audio_stream) { + return 0; + } - return _audio_stream->channels; + return _audio_stream->channels; } int @@ -228,11 +294,11 @@ FFmpegContent::content_audio_frame_rate () const { boost::mutex::scoped_lock lm (_mutex); - if (!_audio_stream) { - return 0; - } + if (!_audio_stream) { + return 0; + } - return _audio_stream->frame_rate; + return _audio_stream->frame_rate; } int @@ -244,16 +310,15 @@ FFmpegContent::output_audio_frame_rate () const /* Resample to a DCI-approved sample rate */ double t = dcp_audio_frame_rate (content_audio_frame_rate ()); - FrameRateConversion frc (video_frame_rate(), film->dcp_video_frame_rate()); + FrameRateChange 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->dcp_video_frame_rate(); + t /= frc.speed_up; } return rint (t); @@ -262,65 +327,132 @@ FFmpegContent::output_audio_frame_rate () const bool operator== (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b) { - return a.id == b.id; + return a.id == b.id; +} + +bool +operator!= (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b) +{ + return a.id != b.id; } bool operator== (FFmpegAudioStream const & a, FFmpegAudioStream const & b) { - return a.id == b.id; + return a.id == b.id; } -FFmpegAudioStream::FFmpegAudioStream (shared_ptr node) +bool +operator!= (FFmpegAudioStream const & a, FFmpegAudioStream const & b) +{ + return a.id != b.id; +} + +FFmpegStream::FFmpegStream (shared_ptr node, int version) + : _legacy_id (false) { name = node->string_child ("Name"); id = node->number_child ("Id"); + if (version == 4 || node->optional_bool_child ("LegacyId")) { + _legacy_id = true; + } +} + +void +FFmpegStream::as_xml (xmlpp::Node* root) const +{ + root->add_child("Name")->add_child_text (name); + root->add_child("Id")->add_child_text (lexical_cast (id)); + if (_legacy_id) { + /* Write this so that version > 4 files are read in correctly + if the Id came originally from a version <= 4 file. + */ + root->add_child("LegacyId")->add_child_text ("1"); + } +} + +FFmpegAudioStream::FFmpegAudioStream (shared_ptr node, int version) + : FFmpegStream (node, version) + , mapping (node->node_child ("Mapping"), version) +{ frame_rate = node->number_child ("FrameRate"); channels = node->number_child ("Channels"); - mapping = AudioMapping (node->node_child ("Mapping")); + 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)); + FFmpegStream::as_xml (root); root->add_child("FrameRate")->add_child_text (lexical_cast (frame_rate)); root->add_child("Channels")->add_child_text (lexical_cast (channels)); + if (first_audio) { + root->add_child("FirstAudio")->add_child_text (lexical_cast (first_audio.get ())); + } mapping.as_xml (root->add_child("Mapping")); } +int +FFmpegStream::index (AVFormatContext const * fc) const +{ + if (_legacy_id) { + return id; + } + + size_t i = 0; + while (i < fc->nb_streams) { + if (fc->streams[i]->id == id) { + return i; + } + ++i; + } + + assert (false); +} + +AVStream * +FFmpegStream::stream (AVFormatContext const * fc) const +{ + if (_legacy_id) { + return fc->streams[id]; + } + + 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(). * @param t String returned from to_string(). * @param v State file version. */ -FFmpegSubtitleStream::FFmpegSubtitleStream (shared_ptr node) +FFmpegSubtitleStream::FFmpegSubtitleStream (shared_ptr node, int version) + : FFmpegStream (node, version) { - 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); } -shared_ptr -FFmpegContent::clone () const -{ - return shared_ptr (new FFmpegContent (*this)); -} - -Time -FFmpegContent::length () const +DCPTime +FFmpegContent::full_length () const { shared_ptr film = _film.lock (); assert (film); - FrameRateConversion frc (video_frame_rate (), film->dcp_video_frame_rate ()); - return video_length() * frc.factor() * TIME_HZ / film->dcp_video_frame_rate (); + FrameRateChange frc (video_frame_rate (), film->video_frame_rate ()); + return video_length() * frc.factor() * TIME_HZ / film->video_frame_rate (); } AudioMapping @@ -335,3 +467,41 @@ FFmpegContent::audio_mapping () const 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->id; + } + + for (vector::const_iterator i = _filters.begin(); i != _filters.end(); ++i) { + s << "_" << (*i)->id (); + } + + return s.str (); +} +