2 Copyright (C) 2013-2017 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include "video_examiner.h"
23 #include <boost/optional.hpp>
27 class FFmpegAudioStream;
28 class FFmpegSubtitleStream;
31 class FFmpegExaminer : public FFmpeg, public VideoExaminer
34 FFmpegExaminer (boost::shared_ptr<const FFmpegContent>, boost::shared_ptr<Job> job = boost::shared_ptr<Job> ());
36 bool has_video () const;
38 boost::optional<double> video_frame_rate () const;
39 dcp::Size video_size () const;
40 Frame video_length () const;
41 boost::optional<double> sample_aspect_ratio () const;
44 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
45 return _subtitle_streams;
48 std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
49 return _audio_streams;
52 boost::optional<dcpomatic::ContentTime> first_video () const {
56 VideoRange range () const;
58 AVColorRange color_range () const {
59 return video_codec_context()->color_range;
62 AVColorPrimaries color_primaries () const {
63 return video_codec_context()->color_primaries;
66 AVColorTransferCharacteristic color_trc () const {
67 return video_codec_context()->color_trc;
70 AVColorSpace colorspace () const {
71 return video_codec_context()->colorspace;
74 boost::optional<int> bits_per_pixel () const;
76 boost::optional<double> rotation () const {
80 bool pulldown () const {
84 #ifdef DCPOMATIC_VARIANT_SWAROOP
85 boost::optional<std::string> id () const {
91 void video_packet (AVCodecContext *, std::string& temporal_reference);
92 void audio_packet (AVCodecContext *, boost::shared_ptr<FFmpegAudioStream>);
94 std::string stream_name (AVStream* s) const;
95 std::string subtitle_stream_name (AVStream* s) const;
96 boost::optional<dcpomatic::ContentTime> frame_time (AVStream* s) const;
98 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
99 std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
100 boost::optional<dcpomatic::ContentTime> _first_video;
101 /** Video length, either obtained from the header or derived by running
102 * through the whole file.
105 bool _need_video_length;
107 boost::optional<double> _rotation;
110 #ifdef DCPOMATIC_VARIANT_SWAROOP
111 boost::optional<std::string> _id;
116 SubtitleStart (std::string id_, bool image_, dcpomatic::ContentTime time_)
123 /** true if it's an image subtitle, false for text */
125 dcpomatic::ContentTime time;
128 typedef std::map<boost::shared_ptr<FFmpegSubtitleStream>, boost::optional<SubtitleStart> > LastSubtitleMap;
129 LastSubtitleMap _last_subtitle_start;