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 * @param index A stream index within the AVFormatContext.
50 * @return true if this FFmpegStream uses the given stream index.
52 bool uses_index (AVFormatContext const * c, int index) const;
53 AVStream* stream (AVFormatContext const * c) const;
59 /** If this is true, id is in fact the index */
63 class FFmpegAudioStream : public FFmpegStream
66 FFmpegAudioStream (std::string n, int i, int f, int c)
72 mapping.make_default ();
75 FFmpegAudioStream (boost::shared_ptr<const cxml::Node>, int);
77 void as_xml (xmlpp::Node *) const;
82 boost::optional<double> first_audio;
85 friend class ffmpeg_pts_offset_test;
87 /* Constructor for tests */
89 : FFmpegStream ("", 0)
96 extern bool operator== (FFmpegAudioStream const & a, FFmpegAudioStream const & b);
97 extern bool operator!= (FFmpegAudioStream const & a, FFmpegAudioStream const & b);
99 class FFmpegSubtitleStream : public FFmpegStream
102 FFmpegSubtitleStream (std::string n, int i)
103 : FFmpegStream (n, i)
106 FFmpegSubtitleStream (boost::shared_ptr<const cxml::Node>, int);
108 void as_xml (xmlpp::Node *) const;
111 extern bool operator== (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b);
112 extern bool operator!= (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b);
114 class FFmpegContentProperty : public VideoContentProperty
117 static int const SUBTITLE_STREAMS;
118 static int const SUBTITLE_STREAM;
119 static int const AUDIO_STREAMS;
120 static int const AUDIO_STREAM;
121 static int const FILTERS;
124 class FFmpegContent : public VideoContent, public AudioContent, public SubtitleContent
127 FFmpegContent (boost::shared_ptr<const Film>, boost::filesystem::path);
128 FFmpegContent (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>, int version);
129 FFmpegContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
131 boost::shared_ptr<FFmpegContent> shared_from_this () {
132 return boost::dynamic_pointer_cast<FFmpegContent> (Content::shared_from_this ());
135 void examine (boost::shared_ptr<Job>);
136 std::string summary () const;
137 std::string technical_summary () const;
138 std::string information () const;
139 void as_xml (xmlpp::Node *) const;
140 Time full_length () const;
142 std::string identifier () const;
145 int audio_channels () const;
146 AudioContent::Frame audio_length () const;
147 int content_audio_frame_rate () const;
148 int output_audio_frame_rate () const;
149 AudioMapping audio_mapping () const;
150 void set_audio_mapping (AudioMapping);
152 void set_filters (std::vector<Filter const *> const &);
154 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
155 boost::mutex::scoped_lock lm (_mutex);
156 return _subtitle_streams;
159 boost::shared_ptr<FFmpegSubtitleStream> subtitle_stream () const {
160 boost::mutex::scoped_lock lm (_mutex);
161 return _subtitle_stream;
164 std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
165 boost::mutex::scoped_lock lm (_mutex);
166 return _audio_streams;
169 boost::shared_ptr<FFmpegAudioStream> audio_stream () const {
170 boost::mutex::scoped_lock lm (_mutex);
171 return _audio_stream;
174 std::vector<Filter const *> filters () const {
175 boost::mutex::scoped_lock lm (_mutex);
179 void set_subtitle_stream (boost::shared_ptr<FFmpegSubtitleStream>);
180 void set_audio_stream (boost::shared_ptr<FFmpegAudioStream>);
182 boost::optional<double> first_video () const {
183 boost::mutex::scoped_lock lm (_mutex);
188 friend class ffmpeg_pts_offset_test;
190 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
191 boost::shared_ptr<FFmpegSubtitleStream> _subtitle_stream;
192 std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
193 boost::shared_ptr<FFmpegAudioStream> _audio_stream;
194 boost::optional<double> _first_video;
195 /** Video filters that should be used when generating DCPs */
196 std::vector<Filter const *> _filters;