+/*
+ Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+extern "C" {
+#include <libavformat/avformat.h>
+}
+#include <libcxml/cxml.h>
#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"
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;
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<const Film> f, boost::filesystem::path p)
+ : Content (f, p)
+ , VideoContent (f, p)
+ , AudioContent (f, p)
+ , SubtitleContent (f, p)
+{
-FFmpegContent::FFmpegContent (boost::filesystem::path f)
- : Content (f)
- , VideoContent (f)
- , AudioContent (f)
+}
+
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
+ : Content (f, node)
+ , VideoContent (f, node)
+ , AudioContent (f, node)
+ , SubtitleContent (f, node)
{
+ list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
+ for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
+ _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i, version)));
+ if ((*i)->optional_number_child<int> ("Selected")) {
+ _subtitle_stream = _subtitle_streams.back ();
+ }
+ }
+
+ c = node->node_children ("AudioStream");
+ for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
+ _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i, version)));
+ if ((*i)->optional_number_child<int> ("Selected")) {
+ _audio_stream = _audio_streams.back ();
+ }
+ }
+
+ c = node->node_children ("Filter");
+ for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
+ _filters.push_back (Filter::from_id ((*i)->content ()));
+ }
+ _first_video = node->optional_number_child<double> ("FirstVideo");
+}
+
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, vector<boost::shared_ptr<Content> > c)
+ : Content (f, c)
+ , VideoContent (f, c)
+ , AudioContent (f, c)
+ , SubtitleContent (f, c)
+{
+ shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
+ assert (ref);
+
+ for (size_t i = 0; i < c.size(); ++i) {
+ shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (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
-FFmpegContent::examine (shared_ptr<Film> film, shared_ptr<Job> job, bool quick)
+FFmpegContent::as_xml (xmlpp::Node* node) const
{
- job->descend (0.5);
- Content::examine (film, job, quick);
- job->ascend ();
+ 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<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
+ xmlpp::Node* t = node->add_child("SubtitleStream");
+ if (_subtitle_stream && *i == _subtitle_stream) {
+ t->add_child("Selected")->add_child_text("1");
+ }
+ (*i)->as_xml (t);
+ }
+
+ for (vector<shared_ptr<FFmpegAudioStream> >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
+ xmlpp::Node* t = node->add_child("AudioStream");
+ if (_audio_stream && *i == _audio_stream) {
+ t->add_child("Selected")->add_child_text("1");
+ }
+ (*i)->as_xml (t);
+ }
+
+ for (vector<Filter const *>::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<string> (_first_video.get ()));
+ }
+}
+void
+FFmpegContent::examine (shared_ptr<Job> job)
+{
job->set_progress_unknown ();
- shared_ptr<FFmpegDecoder> decoder (new FFmpegDecoder (film, shared_from_this (), true, false, false, true));
+ Content::examine (job);
+
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+
+ shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this ()));
- 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 */
- }
+ VideoFrame video_length = 0;
+ video_length = examiner->video_length ();
+ film->log()->log (String::compose ("Video length obtained from header as %1 frames", video_length));
- 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);
- {
- boost::mutex::scoped_lock lm (_mutex);
+ _video_length = video_length;
- _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 ();
+ }
- _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 ();
- }
- }
+ _first_video = examiner->first_video ();
+ }
- take_from_video_decoder (decoder);
+ take_from_video_examiner (examiner);
- Changed (VideoContentProperty::VIDEO_LENGTH);
- Changed (FFmpegContentProperty::SUBTITLE_STREAMS);
- Changed (FFmpegContentProperty::SUBTITLE_STREAM);
- Changed (FFmpegContentProperty::AUDIO_STREAMS);
- Changed (FFmpegContentProperty::AUDIO_STREAM);
+ 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 = String::compose ("id %1", _audio_stream->id);
+ }
+
+ string ss = "none";
+ if (_subtitle_stream) {
+ ss = String::compose ("id %1", _subtitle_stream->id);
+ }
+
+ pair<string, string> 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
+FFmpegContent::information () const
+{
+ if (video_length() == 0 || video_frame_rate() == 0) {
+ return "";
+ }
+
+ stringstream s;
+
+ s << String::compose (_("%1 frames; %2 frames per second"), video_length(), video_frame_rate()) << "\n";
+ s << VideoContent::information ();
+
+ return s.str ();
}
void
-FFmpegContent::set_subtitle_stream (FFmpegSubtitleStream s)
+FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _subtitle_stream = s;
- }
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _subtitle_stream = s;
+ }
- Changed (FFmpegContentProperty::SUBTITLE_STREAM);
+ signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
}
void
-FFmpegContent::set_audio_stream (FFmpegAudioStream s)
+FFmpegContent::set_audio_stream (shared_ptr<FFmpegAudioStream> s)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _audio_stream = s;
- }
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _audio_stream = s;
+ }
- Changed (FFmpegContentProperty::AUDIO_STREAM);
+ signal_changed (FFmpegContentProperty::AUDIO_STREAM);
}
-ContentAudioFrame
+AudioFrame
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 ();
+ int const vfr = video_frame_rate ();
+ 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);
}
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);
+
+ if (!_audio_stream) {
+ return 0;
+ }
- return _audio_stream->frame_rate;
+ 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<const Film> film = _film.lock ();
+ assert (film);
+
+ /* Resample to a DCI-approved sample rate */
+ double t = dcp_audio_frame_rate (content_audio_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).
+ */
- return _audio_stream->channel_layout;
+ if (frc.change_speed) {
+ t /= frc.speed_up;
+ }
+
+ return rint (t);
}
-
+
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;
+}
+
+bool
+operator!= (FFmpegAudioStream const & a, FFmpegAudioStream const & b)
+{
+ return a.id != b.id;
}
+
+FFmpegStream::FFmpegStream (shared_ptr<const cxml::Node> node, int version)
+ : _legacy_id (false)
+{
+ name = node->string_child ("Name");
+ id = node->number_child<int> ("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<string> (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<const cxml::Node> node, int version)
+ : FFmpegStream (node, version)
+ , mapping (node->node_child ("Mapping"), version)
+{
+ frame_rate = node->number_child<int> ("FrameRate");
+ channels = node->number_child<int64_t> ("Channels");
+ first_audio = node->optional_number_child<double> ("FirstAudio");
+}
+
+void
+FFmpegAudioStream::as_xml (xmlpp::Node* root) const
+{
+ FFmpegStream::as_xml (root);
+ root->add_child("FrameRate")->add_child_text (lexical_cast<string> (frame_rate));
+ root->add_child("Channels")->add_child_text (lexical_cast<string> (channels));
+ if (first_audio) {
+ root->add_child("FirstAudio")->add_child_text (lexical_cast<string> (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<const cxml::Node> node, int version)
+ : FFmpegStream (node, version)
+{
+
+}
+
+void
+FFmpegSubtitleStream::as_xml (xmlpp::Node* root) const
+{
+ FFmpegStream::as_xml (root);
+}
+
+DCPTime
+FFmpegContent::full_length () const
+{
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+
+ FrameRateChange frc (video_frame_rate (), film->video_frame_rate ());
+ return video_length() * 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<Filter const *> 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<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
+ s << "_" << (*i)->id ();
+ }
+
+ return s.str ();
+}
+
projects / dcpomatic.git / blobdiff