X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Fvideo_decoder.cc;h=8bb7f3700ec6a54c51f54ff02e5a13b16ee5606c;hb=e8819ad7580f25eea7ca3c59cf0a3979d76a6b44;hp=cb74a7987fead8961b5ae283a4257e550e0ff09c;hpb=929b4c37eaf9593892f61df80309a8c8ad6c05a0;p=dcpomatic.git diff --git a/src/lib/video_decoder.cc b/src/lib/video_decoder.cc index cb74a7987..8bb7f3700 100644 --- a/src/lib/video_decoder.cc +++ b/src/lib/video_decoder.cc @@ -23,51 +23,58 @@ #include "subtitle.h" #include "film.h" #include "image.h" -#include "log.h" -#include "job.h" #include "i18n.h" using std::cout; using boost::shared_ptr; -using boost::optional; VideoDecoder::VideoDecoder (shared_ptr f, shared_ptr c) : Decoder (f) , _next_video (0) , _video_content (c) + , _frame_rate_conversion (c->video_frame_rate(), f->dcp_frame_rate()) + , _odd (false) { } -/** Called by subclasses to tell the world that some video data is ready. - * We find a subtitle then emit it for listeners. +/** Called by subclasses when some video is ready. * @param image frame to emit. + * @param same true if this frame is the same as the last one passed to this call. * @param t Time of the frame within the source. */ void -VideoDecoder::emit_video (shared_ptr image, bool same, Time t) +VideoDecoder::video (shared_ptr image, bool same, Time t) { + if (_frame_rate_conversion.skip && _odd) { + _odd = !_odd; + return; + } + shared_ptr sub; if (_timed_subtitle && _timed_subtitle->displayed_at (t)) { sub = _timed_subtitle->subtitle (); } - TIMING (N_("Decoder emits %1"), _video_frame); Video (image, same, sub, t); - ++_video_frame; - /* XXX: who's doing skip / repeat? */ - _next_video = t + _film->video_frames_to_time (1); + if (_frame_rate_conversion.repeat) { + Video (image, true, sub, t + _film->video_frames_to_time (1)); + _next_video = t + _film->video_frames_to_time (2); + } else { + _next_video = t + _film->video_frames_to_time (1); + } + + _odd = !_odd; } -/** Set up the current subtitle. This will be put onto frames that - * fit within its time specification. s may be 0 to say that there - * is no current subtitle. +/** Called by subclasses when a subtitle is ready. + * s may be 0 to say that there is no current subtitle. * @param s New current subtitle, or 0. */ void -VideoDecoder::emit_subtitle (shared_ptr s) +VideoDecoder::subtitle (shared_ptr s) { _timed_subtitle = s;