2 Copyright (C) 2017-2018 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/>.
21 #ifndef DCPOMATIC_FFMPEG_FILE_ENCODER_H
22 #define DCPOMATIC_FFMPEG_FILE_ENCODER_H
25 #include "event_history.h"
26 #include "audio_mapping.h"
29 #include <libavcodec/avcodec.h>
30 #include <libavformat/avformat.h>
33 class FFmpegFileEncoder
37 dcp::Size video_frame_size,
43 boost::filesystem::path output
46 void video (boost::shared_ptr<PlayerVideo>, DCPTime);
47 void audio (boost::shared_ptr<AudioBuffers>);
48 void subtitle (PlayerText, DCPTimePeriod);
52 static AVPixelFormat pixel_format (ExportFormat format);
58 void audio_frame (int size);
60 static void buffer_free(void* opaque, uint8_t* data);
61 void buffer_free2(uint8_t* data);
63 AVCodec* _video_codec;
64 AVCodecContext* _video_codec_context;
65 AVCodec* _audio_codec;
66 AVCodecContext* _audio_codec_context;
67 AVFormatContext* _format_context;
68 AVStream* _video_stream;
69 AVStream* _audio_stream;
70 AVPixelFormat _pixel_format;
71 AVSampleFormat _sample_format;
72 AVDictionary* _video_options;
73 std::string _video_codec_name;
74 std::string _audio_codec_name;
77 boost::filesystem::path _output;
78 dcp::Size _video_frame_size;
79 int _video_frame_rate;
80 int _audio_frame_rate;
82 boost::shared_ptr<AudioBuffers> _pending_audio;
84 /** Store of shared_ptr<Image> to keep them alive whilst raw pointers into
85 their data have been passed to FFmpeg.
87 std::map<uint8_t*, boost::shared_ptr<const Image> > _pending_images;
89 static int _video_stream_index;
90 static int _audio_stream_index;