2 Copyright (C) 2013-2016 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<ContentTime> first_video () const {
56 AVColorRange color_range () const {
57 return video_codec_context()->color_range;
60 AVColorPrimaries color_primaries () const {
61 return video_codec_context()->color_primaries;
64 AVColorTransferCharacteristic color_trc () const {
65 return video_codec_context()->color_trc;
68 AVColorSpace colorspace () const {
69 return video_codec_context()->colorspace;
72 int bits_per_pixel () const;
75 void video_packet (AVCodecContext *);
76 void audio_packet (AVCodecContext *, boost::shared_ptr<FFmpegAudioStream>);
77 void subtitle_packet (AVCodecContext *, boost::shared_ptr<FFmpegSubtitleStream>);
79 std::string stream_name (AVStream* s) const;
80 std::string subtitle_stream_name (AVStream* s) const;
81 boost::optional<ContentTime> frame_time (AVStream* s) const;
83 std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
84 std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
85 boost::optional<ContentTime> _first_video;
86 /** Video length, either obtained from the header or derived by running
87 * through the whole file.
90 bool _need_video_length;
94 SubtitleStart (std::string id_, bool image_, ContentTime time_)
101 /** true if it's an image subtitle, false for text */
106 typedef std::map<boost::shared_ptr<FFmpegSubtitleStream>, boost::optional<SubtitleStart> > LastSubtitleMap;
107 LastSubtitleMap _last_subtitle_start;