2 Copyright (C) 2013-2014 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 #ifndef DCPOMATIC_FFMPEG_CONTENT_H
21 #define DCPOMATIC_FFMPEG_CONTENT_H
23 #include <boost/enable_shared_from_this.hpp>
24 #include "video_content.h"
25 #include "audio_content.h"
26 #include "subtitle_content.h"
27 #include "audio_mapping.h"
29 struct AVFormatContext;
33 class ffmpeg_pts_offset_test;
38 FFmpegStream (std::string n, int i)
43 FFmpegStream (boost::shared_ptr<const cxml::Node>);
45 void as_xml (xmlpp::Node *) const;
47 /** @param c An AVFormatContext.
48 * @param index A stream index within the AVFormatContext.
49 * @return true if this FFmpegStream uses the given stream index.
51 bool uses_index (AVFormatContext const * c, int index) const;
52 AVStream* stream (AVFormatContext const * c) const;
54 std::string technical_summary () const {
55 return "id " + boost::lexical_cast<std::string> (_id);
58 std::string identifier () const {
59 return boost::lexical_cast<std::string> (_id);
64 friend bool operator== (FFmpegStream const & a, FFmpegStream const & b);
65 friend bool operator!= (FFmpegStream const & a, FFmpegStream const & b);
71 class FFmpegAudioStream : public FFmpegStream
74 FFmpegAudioStream (std::string n, int i, int f, int c)
80 mapping.make_default ();
83 FFmpegAudioStream (boost::shared_ptr<const cxml::Node>, int);
85 void as_xml (xmlpp::Node *) const;
90 boost::optional<ContentTime> first_audio;
93 friend class ffmpeg_pts_offset_test;
95 /* Constructor for tests */
97 : FFmpegStream ("", 0)
104 class FFmpegSubtitleStream : public FFmpegStream
107 FFmpegSubtitleStream (std::string n, int i)
108 : FFmpegStream (n, i)
111 FFmpegSubtitleStream (boost::shared_ptr<const cxml::Node>);
113 void as_xml (xmlpp::Node *) const;
116 class FFmpegContentProperty : public VideoContentProperty
119 static int const SUBTITLE_STREAMS;
120 static int const SUBTITLE_STREAM;
121 static int const AUDIO_STREAMS;
122 static int const AUDIO_STREAM;
123 static int const FILTERS;
126 class FFmpegContent : public VideoContent, public AudioContent, public SubtitleContent
129 FFmpegContent (boost::shared_ptr<const Film>, boost::filesystem::path);
130 FFmpegContent (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>, int version, std::list<std::string> &);
131 FFmpegContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
133 boost::shared_ptr<FFmpegContent> shared_from_this () {
134 return boost::dynamic_pointer_cast<FFmpegContent> (Content::shared_from_this ());
137 void examine (boost::shared_ptr<Job>);
138 std::string summary () const;
139 std::string technical_summary () const;
140 std::string information () const;
141 void as_xml (xmlpp::Node *) const;
142 DCPTime full_length () const;
144 std::string identifier () const;
147 int audio_channels () const;
148 ContentTime audio_length () const;
149 int audio_frame_rate () const;
150 AudioMapping audio_mapping () const;
151 void set_audio_mapping (AudioMapping);
152 boost::filesystem::path audio_analysis_path () const;
154 void set_filters (std::vector<Filter const *> const &);
156 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
157 boost::mutex::scoped_lock lm (_mutex);
158 return _subtitle_streams;
161 boost::shared_ptr<FFmpegSubtitleStream> subtitle_stream () const {
162 boost::mutex::scoped_lock lm (_mutex);
163 return _subtitle_stream;
166 std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
167 boost::mutex::scoped_lock lm (_mutex);
168 return _audio_streams;
171 boost::shared_ptr<FFmpegAudioStream> audio_stream () const {
172 boost::mutex::scoped_lock lm (_mutex);
173 return _audio_stream;
176 std::vector<Filter const *> filters () const {
177 boost::mutex::scoped_lock lm (_mutex);
181 void set_subtitle_stream (boost::shared_ptr<FFmpegSubtitleStream>);
182 void set_audio_stream (boost::shared_ptr<FFmpegAudioStream>);
184 boost::optional<ContentTime> first_video () const {
185 boost::mutex::scoped_lock lm (_mutex);
190 friend class ffmpeg_pts_offset_test;
192 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
193 boost::shared_ptr<FFmpegSubtitleStream> _subtitle_stream;
194 std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
195 boost::shared_ptr<FFmpegAudioStream> _audio_stream;
196 boost::optional<ContentTime> _first_video;
197 /** Video filters that should be used when generating DCPs */
198 std::vector<Filter const *> _filters;