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"
30 #include <libavcodec/avcodec.h>
31 #include <libavformat/avformat.h>
34 class FFmpegFileEncoder
38 dcp::Size video_frame_size,
44 boost::filesystem::path output
45 #ifdef DCPOMATIC_VARIANT_SWAROOP
46 , boost::optional<dcp::Key> key
47 , boost::optional<std::string> id
51 void video (boost::shared_ptr<PlayerVideo>, dcpomatic::DCPTime);
52 void audio (boost::shared_ptr<AudioBuffers>);
53 void subtitle (PlayerText, dcpomatic::DCPTimePeriod);
57 static AVPixelFormat pixel_format (ExportFormat format);
63 void audio_frame (int size);
65 static void buffer_free(void* opaque, uint8_t* data);
66 void buffer_free2(uint8_t* data);
68 AVCodec* _video_codec;
69 AVCodecContext* _video_codec_context;
70 AVCodec* _audio_codec;
71 AVCodecContext* _audio_codec_context;
72 AVFormatContext* _format_context;
73 AVStream* _video_stream;
74 AVStream* _audio_stream;
75 AVPixelFormat _pixel_format;
76 AVSampleFormat _sample_format;
77 AVDictionary* _video_options;
78 std::string _video_codec_name;
79 std::string _audio_codec_name;
82 boost::filesystem::path _output;
83 dcp::Size _video_frame_size;
84 int _video_frame_rate;
85 int _audio_frame_rate;
87 int64_t _audio_frames;
89 boost::shared_ptr<AudioBuffers> _pending_audio;
91 /** Store of shared_ptr<Image> to keep them alive whilst raw pointers into
92 their data have been passed to FFmpeg.
94 std::map<uint8_t*, boost::shared_ptr<const Image> > _pending_images;
95 boost::mutex _pending_images_mutex;
97 static int _video_stream_index;
98 static int _audio_stream_index;