X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg.h;h=95a8bf5d9aa1bb7f860d1365b69bfc7fc550b058;hb=b18c12353d22037d85086c150ff9b3d3a2546f4d;hp=dcafe17f759237945fc16f015d9111eb820b522f;hpb=f1bf21a9c2581591ab80bfc997a22b93046f8c56;p=dcpomatic.git

diff --git a/src/lib/ffmpeg.h b/src/lib/ffmpeg.h
index dcafe17f7..95a8bf5d9 100644
--- a/src/lib/ffmpeg.h
+++ b/src/lib/ffmpeg.h
@@ -1,39 +1,41 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
-#include <vector>
-#include <boost/shared_ptr.hpp>
-#include <boost/thread/mutex.hpp>
+#ifndef DCPOMATIC_FFMPEG_H
+#define DCPOMATIC_FFMPEG_H
+
+#include "file_group.h"
+#include "ffmpeg_subtitle_period.h"
 extern "C" {
 #include <libavcodec/avcodec.h>
 }
+#include <boost/shared_ptr.hpp>
+#include <boost/thread/mutex.hpp>
 
-struct AVFilterGraph;
-struct AVCodecContext;
-struct AVFilterContext;
 struct AVFormatContext;
 struct AVFrame;
-struct AVBufferContext;
-struct AVCodec;
-struct AVStream;
+struct AVIOContext;
 
 class FFmpegContent;
+class FFmpegAudioStream;
+class Log;
 
 class FFmpeg
 {
@@ -45,17 +47,33 @@ public:
 		return _ffmpeg_content;
 	}
 
+	int avio_read (uint8_t *, int);
+	int64_t avio_seek (int64_t, int);
+
 protected:
+	AVCodecContext* video_codec_context () const;
+	AVCodecContext* subtitle_codec_context () const;
+	ContentTime pts_offset (
+		std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams, boost::optional<ContentTime> first_video, double video_frame_rate
+		) const;
+
+	static FFmpegSubtitlePeriod subtitle_period (AVSubtitle const & sub);
+	static std::string subtitle_id (AVSubtitle const & sub);
+	static bool subtitle_starts_image (AVSubtitle const & sub);
+
 	boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
+
+	uint8_t* _avio_buffer;
+	int _avio_buffer_size;
+	AVIOContext* _avio_context;
+	FileGroup _file_group;
+
 	AVFormatContext* _format_context;
 	AVPacket _packet;
 	AVFrame* _frame;
-	int _video_stream;
 
-	AVCodecContext* _video_codec_context;
-	AVCodec* _video_codec;
-	AVCodecContext* _audio_codec_context;    ///< may be 0 if there is no audio
-	AVCodec* _audio_codec;                   ///< may be 0 if there is no audio
+	/** Index of video stream within AVFormatContext */
+	boost::optional<int> _video_stream;
 
 	/* It would appear (though not completely verified) that one must have
 	   a mutex around calls to avcodec_open* and avcodec_close... and here
@@ -65,6 +83,10 @@ protected:
 
 private:
 	void setup_general ();
-	void setup_video ();
-	void setup_audio ();
+	void setup_decoders ();
+
+	static void ffmpeg_log_callback (void* ptr, int level, const char* fmt, va_list vl);
+	static boost::weak_ptr<Log> _ffmpeg_log;
 };
+
+#endif