/*
- Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2015 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
*/
-extern "C" {
-#include <libavformat/avformat.h>
-}
-#include <libcxml/cxml.h>
#include "ffmpeg_content.h"
#include "ffmpeg_examiner.h"
+#include "ffmpeg_subtitle_stream.h"
+#include "ffmpeg_audio_stream.h"
#include "compose.hpp"
#include "job.h"
#include "util.h"
#include "film.h"
#include "log.h"
#include "exceptions.h"
+#include "frame_rate_change.h"
+#include "safe_stringstream.h"
+#include "raw_convert.h"
+#include <libcxml/cxml.h>
+extern "C" {
+#include <libavformat/avformat.h>
+}
#include "i18n.h"
+#define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
+
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;
}
-FFmpegContent::FFmpegContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version, list<string>& notes)
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version, list<string>& notes)
: Content (f, node)
, VideoContent (f, node, version)
, AudioContent (f, node)
, SubtitleContent (f, c)
{
shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
- assert (ref);
+ DCPOMATIC_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())) {
+ if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
throw JoinError (_("Content to be joined must use the same subtitle stream."));
}
}
if (_first_video) {
- node->add_child("FirstVideo")->add_child_text (lexical_cast<string> (_first_video.get().get()));
+ node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
}
}
Content::examine (job);
- shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this ()));
+ shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
take_from_video_examiner (examiner);
- ContentTime video_length = examiner->video_length ();
-
shared_ptr<const Film> film = _film.lock ();
- assert (film);
- film->log()->log (String::compose ("Video length obtained from header as %1 frames", video_length.frames (video_frame_rate ())));
+ DCPOMATIC_ASSERT (film);
{
boost::mutex::scoped_lock lm (_mutex);
- _video_length = video_length;
-
_subtitle_streams = examiner->subtitle_streams ();
if (!_subtitle_streams.empty ()) {
_subtitle_stream = _subtitle_streams.front ();
_first_video = examiner->first_video ();
}
- signal_changed (ContentProperty::LENGTH);
signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
signal_changed (FFmpegContentProperty::AUDIO_STREAMS);
);
}
-string
-FFmpegContent::information () const
-{
- if (video_length() == ContentTime (0) || video_frame_rate() == 0) {
- return "";
- }
-
- stringstream s;
-
- s << String::compose (_("%1 frames; %2 frames per second"), video_length_after_3d_combine().frames (video_frame_rate()), video_frame_rate()) << "\n";
- s << VideoContent::information ();
-
- return s.str ();
-}
-
void
FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
{
ContentTime
FFmpegContent::audio_length () const
{
- boost::mutex::scoped_lock lm (_mutex);
- if (!_audio_stream) {
+ if (!audio_stream ()) {
return ContentTime ();
}
return 0;
}
- return _audio_stream->channels;
+ return _audio_stream->channels ();
}
int
-FFmpegContent::content_audio_frame_rate () const
+FFmpegContent::audio_frame_rate () const
{
boost::mutex::scoped_lock lm (_mutex);
return 0;
}
- return _audio_stream->frame_rate;
-}
-
-int
-FFmpegContent::output_audio_frame_rate () const
-{
- 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).
- */
-
- if (frc.change_speed) {
- t /= frc.speed_up;
- }
-
- return rint (t);
+ return _audio_stream->frame_rate ();
}
bool
return a._id != b._id;
}
-FFmpegStream::FFmpegStream (shared_ptr<const cxml::Node> node)
- : name (node->string_child ("Name"))
- , _id (node->number_child<int> ("Id"))
-{
-
-}
-
-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));
-}
-
-FFmpegAudioStream::FFmpegAudioStream (shared_ptr<const cxml::Node> node, int version)
- : FFmpegStream (node)
- , 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().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().
- * @param t String returned from to_string().
- * @param v State file version.
- */
-FFmpegSubtitleStream::FFmpegSubtitleStream (shared_ptr<const cxml::Node> node)
- : FFmpegStream (node)
-{
-
-}
-
-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);
+ DCPOMATIC_ASSERT (film);
return DCPTime (video_length_after_3d_combine(), FrameRateChange (video_frame_rate (), film->video_frame_rate ()));
}
return AudioMapping ();
}
- return _audio_stream->mapping;
+ return _audio_stream->mapping ();
}
void
void
FFmpegContent::set_audio_mapping (AudioMapping m)
{
- audio_stream()->mapping = m;
- signal_changed (AudioContentProperty::AUDIO_MAPPING);
+ audio_stream()->set_mapping (m);
+ AudioContent::set_audio_mapping (m);
}
string
FFmpegContent::identifier () const
{
- stringstream s;
+ SafeStringStream s;
s << VideoContent::identifier();
analyses for each stream.
*/
- boost::filesystem::path p = film->audio_analysis_dir ();
- string name = digest ();
+ boost::filesystem::path p = AudioContent::audio_analysis_path ();
if (audio_stream ()) {
- name += "_" + audio_stream()->identifier ();
+ p = p.string() + "_" + audio_stream()->identifier ();
}
- p /= name;
return p;
}
+
+list<ContentTimePeriod>
+FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
+{
+ shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
+ if (!stream) {
+ return list<ContentTimePeriod> ();
+ }
+
+ return stream->subtitles_during (period, starting);
+}
+
+bool
+FFmpegContent::has_subtitles () const
+{
+ return !subtitle_streams().empty ();
+}