From bb767c7e338414beee132af3e96829c1448e214b Mon Sep 17 00:00:00 2001 From: Carl Hetherington Date: Sun, 15 Jul 2012 00:14:28 +0100 Subject: Move things round a bit. --- src/lib/encoder.h | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 src/lib/encoder.h (limited to 'src/lib/encoder.h') diff --git a/src/lib/encoder.h b/src/lib/encoder.h new file mode 100644 index 000000000..bed2c0988 --- /dev/null +++ b/src/lib/encoder.h @@ -0,0 +1,87 @@ +/* + Copyright (C) 2012 Carl Hetherington + + This program 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, + 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. + +*/ + +#ifndef DVDOMATIC_ENCODER_H +#define DVDOMATIC_ENCODER_H + +/** @file src/encoder.h + * @brief Parent class for classes which can encode video and audio frames. + */ + +#include +#include +#include +#include + +class FilmState; +class Options; +class Image; +class Log; + +/** @class Encoder + * @brief Parent class for classes which can encode video and audio frames. + * + * Video is supplied to process_video as YUV frames, and audio + * is supplied as uncompressed PCM in blocks of various sizes. + * + * The subclass is expected to encode the video and/or audio in + * some way and write it to disk. + */ + +class Encoder +{ +public: + Encoder (boost::shared_ptr s, boost::shared_ptr o, Log* l); + + /** Called to indicate that a processing run is about to begin */ + virtual void process_begin () = 0; + + /** Called with a frame of video. + * @param i Video frame image. + * @param f Frame number within the film. + */ + virtual void process_video (boost::shared_ptr i, int f) = 0; + + /** Called with some audio data. + * @param d Data. + * @param s Size of data (in bytes) + */ + virtual void process_audio (uint8_t* d, int s) = 0; + + /** Called when a processing run has finished */ + virtual void process_end () = 0; + + float current_frames_per_second () const; + +protected: + void frame_done (); + + /** FilmState of the film that we are encoding */ + boost::shared_ptr _fs; + /** Options */ + boost::shared_ptr _opt; + /** Log */ + Log* _log; + + mutable boost::mutex _history_mutex; + std::list _time_history; + static int const _history_size; +}; + +#endif -- cgit v1.2.3