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)
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;
59 friend bool operator== (FFmpegStream const & a, FFmpegStream const & b);
60 friend bool operator!= (FFmpegStream const & a, FFmpegStream const & b);
66 class FFmpegAudioStream : public FFmpegStream
69 FFmpegAudioStream (std::string n, int i, int f, int c)
75 mapping.make_default ();
78 FFmpegAudioStream (boost::shared_ptr<const cxml::Node>, int);
80 void as_xml (xmlpp::Node *) const;
85 boost::optional<double> first_audio;
88 friend class ffmpeg_pts_offset_test;
90 /* Constructor for tests */
92 : FFmpegStream ("", 0)
99 class FFmpegSubtitleStream : public FFmpegStream
102 FFmpegSubtitleStream (std::string n, int i)
103 : FFmpegStream (n, i)
106 FFmpegSubtitleStream (boost::shared_ptr<const cxml::Node>);
108 void as_xml (xmlpp::Node *) const;
111 class FFmpegContentProperty : public VideoContentProperty
114 static int const SUBTITLE_STREAMS;
115 static int const SUBTITLE_STREAM;
116 static int const AUDIO_STREAMS;
117 static int const AUDIO_STREAM;
118 static int const FILTERS;
121 class FFmpegContent : public VideoContent, public AudioContent, public SubtitleContent
124 FFmpegContent (boost::shared_ptr<const Film>, boost::filesystem::path);
125 FFmpegContent (boost::shared_ptr<const Film>, boost::shared_ptr<const cxml::Node>, int version);
126 FFmpegContent (boost::shared_ptr<const Film>, std::vector<boost::shared_ptr<Content> >);
128 boost::shared_ptr<FFmpegContent> shared_from_this () {
129 return boost::dynamic_pointer_cast<FFmpegContent> (Content::shared_from_this ());
132 void examine (boost::shared_ptr<Job>);
133 std::string summary () const;
134 std::string technical_summary () const;
135 std::string information () const;
136 void as_xml (xmlpp::Node *) const;
137 Time full_length () const;
139 std::string identifier () const;
142 int audio_channels () const;
143 AudioContent::Frame audio_length () const;
144 int content_audio_frame_rate () const;
145 int output_audio_frame_rate () const;
146 AudioMapping audio_mapping () const;
147 void set_audio_mapping (AudioMapping);
149 void set_filters (std::vector<Filter const *> const &);
151 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
152 boost::mutex::scoped_lock lm (_mutex);
153 return _subtitle_streams;
156 boost::shared_ptr<FFmpegSubtitleStream> subtitle_stream () const {
157 boost::mutex::scoped_lock lm (_mutex);
158 return _subtitle_stream;
161 std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
162 boost::mutex::scoped_lock lm (_mutex);
163 return _audio_streams;
166 boost::shared_ptr<FFmpegAudioStream> audio_stream () const {
167 boost::mutex::scoped_lock lm (_mutex);
168 return _audio_stream;
171 std::vector<Filter const *> filters () const {
172 boost::mutex::scoped_lock lm (_mutex);
176 void set_subtitle_stream (boost::shared_ptr<FFmpegSubtitleStream>);
177 void set_audio_stream (boost::shared_ptr<FFmpegAudioStream>);
179 boost::optional<double> first_video () const {
180 boost::mutex::scoped_lock lm (_mutex);
185 friend class ffmpeg_pts_offset_test;
187 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
188 boost::shared_ptr<FFmpegSubtitleStream> _subtitle_stream;
189 std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
190 boost::shared_ptr<FFmpegAudioStream> _audio_stream;
191 boost::optional<double> _first_video;
192 /** Video filters that should be used when generating DCPs */
193 std::vector<Filter const *> _filters;