2 Copyright (C) 2013 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)
44 FFmpegStream (boost::shared_ptr<const cxml::Node>, int);
46 void as_xml (xmlpp::Node *) const;
48 /** @param c An AVFormatContext.
49 * @return Stream index within the AVFormatContext.
51 int index (AVFormatContext const * c) const;
52 AVStream* stream (AVFormatContext const * c) const;
58 /** If this is true, id is in fact the index */
62 class FFmpegAudioStream : public FFmpegStream
65 FFmpegAudioStream (std::string n, int i, int f, int c)
71 mapping.make_default ();
74 FFmpegAudioStream (boost::shared_ptr<const cxml::Node>, int);
76 void as_xml (xmlpp::Node *) const;
81 boost::optional<double> first_audio;
84 friend class ffmpeg_pts_offset_test;
86 /* Constructor for tests */
88 : FFmpegStream ("", 0)
95 extern bool operator== (FFmpegAudioStream const & a, FFmpegAudioStream const & b);
96 extern bool operator!= (FFmpegAudioStream const & a, FFmpegAudioStream const & b);
98 class FFmpegSubtitleStream : public FFmpegStream
101 FFmpegSubtitleStream (std::string n, int i)
102 : FFmpegStream (n, i)
105 FFmpegSubtitleStream (boost::shared_ptr<const cxml::Node>, int);
107 void as_xml (xmlpp::Node *) const;
110 extern bool operator== (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b);
111 extern bool operator!= (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b);
113 class FFmpegContentProperty : public VideoContentProperty
116 static int const SUBTITLE_STREAMS;
117 static int const SUBTITLE_STREAM;
118 static int const AUDIO_STREAMS;
119 static int const AUDIO_STREAM;
120 static int const FILTERS;
123 class FFmpegContent : public VideoContent, public AudioContent, public SubtitleContent
126 FFmpegContent (boost::shared_ptr<const Film>, boost::filesystem::path);
127 FFmpegContent (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>, int version);
128 FFmpegContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
130 boost::shared_ptr<FFmpegContent> shared_from_this () {
131 return boost::dynamic_pointer_cast<FFmpegContent> (Content::shared_from_this ());
134 void examine (boost::shared_ptr<Job>);
135 std::string summary () const;
136 std::string technical_summary () const;
137 std::string information () const;
138 void as_xml (xmlpp::Node *) const;
139 Time full_length () const;
141 std::string identifier () const;
144 int audio_channels () const;
145 AudioContent::Frame audio_length () const;
146 int content_audio_frame_rate () const;
147 int output_audio_frame_rate () const;
148 AudioMapping audio_mapping () const;
149 void set_audio_mapping (AudioMapping);
151 void set_filters (std::vector<Filter const *> const &);
153 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
154 boost::mutex::scoped_lock lm (_mutex);
155 return _subtitle_streams;
158 boost::shared_ptr<FFmpegSubtitleStream> subtitle_stream () const {
159 boost::mutex::scoped_lock lm (_mutex);
160 return _subtitle_stream;
163 std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
164 boost::mutex::scoped_lock lm (_mutex);
165 return _audio_streams;
168 boost::shared_ptr<FFmpegAudioStream> audio_stream () const {
169 boost::mutex::scoped_lock lm (_mutex);
170 return _audio_stream;
173 std::vector<Filter const *> filters () const {
174 boost::mutex::scoped_lock lm (_mutex);
178 void set_subtitle_stream (boost::shared_ptr<FFmpegSubtitleStream>);
179 void set_audio_stream (boost::shared_ptr<FFmpegAudioStream>);
181 boost::optional<double> first_video () const {
182 boost::mutex::scoped_lock lm (_mutex);
187 friend class ffmpeg_pts_offset_test;
189 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
190 boost::shared_ptr<FFmpegSubtitleStream> _subtitle_stream;
191 std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
192 boost::shared_ptr<FFmpegAudioStream> _audio_stream;
193 boost::optional<double> _first_video;
194 /** Video filters that should be used when generating DCPs */
195 std::vector<Filter const *> _filters;