From fa15dc1a375e13d2047a857e5aef202179eec0d4 Mon Sep 17 00:00:00 2001 From: Carl Hetherington Date: Tue, 19 Mar 2024 17:10:27 +0100 Subject: Extract VideoEncoder as a parent of J2KEncoder. --- src/lib/video_encoder.cc | 64 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/lib/video_encoder.cc (limited to 'src/lib/video_encoder.cc') diff --git a/src/lib/video_encoder.cc b/src/lib/video_encoder.cc new file mode 100644 index 000000000..590dc7471 --- /dev/null +++ b/src/lib/video_encoder.cc @@ -0,0 +1,64 @@ +/* + Copyright (C) 2024 Carl Hetherington + + 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. + + 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 DCP-o-matic. If not, see . + +*/ + + +#include "video_encoder.h" + + +using std::shared_ptr; +using boost::optional; + + +VideoEncoder::VideoEncoder(shared_ptr film, Writer& writer) + : _film(film) + , _writer(writer) + , _history(200) +{ + +} + + +void +VideoEncoder::encode(shared_ptr, dcpomatic::DCPTime time) +{ + _last_player_video_time = time; +} + + +/** @return Number of video frames that have been queued for encoding */ +int +VideoEncoder::video_frames_enqueued() const +{ + if (!_last_player_video_time) { + return 0; + } + + return _last_player_video_time->frames_floor(_film->video_frame_rate()); +} + + +/** @return an estimate of the current number of frames we are encoding per second, + * if known. + */ +optional +VideoEncoder::current_encoding_rate() const +{ + return _history.rate(); +} -- cgit v1.2.3