X-Git-Url: https://git.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fvideo_decoder.cc;h=f61e63d4d1a4c312c99054c436bfee462f2afdab;hp=fcc0ccf41eeafcc5491e2fd6f7569bd3250d7131;hb=09a9ac376db005a40a351736bcff4077f098825d;hpb=46cd0fe7b5b514f0d9456b25f670679cc584a218 diff --git a/src/lib/video_decoder.cc b/src/lib/video_decoder.cc index fcc0ccf41..f61e63d4d 100644 --- a/src/lib/video_decoder.cc +++ b/src/lib/video_decoder.cc @@ -28,78 +28,22 @@ using std::cout; using boost::shared_ptr; -VideoDecoder::VideoDecoder (shared_ptr f, shared_ptr c) +VideoDecoder::VideoDecoder (shared_ptr f) : Decoder (f) - , _next_video (0) - , _video_content (c) - , _frame_rate_conversion (c->video_frame_rate(), f->dcp_video_frame_rate()) - , _odd (false) + , _video_position (0) { } -/** 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::video (shared_ptr image, bool same, Time t) +VideoDecoder::video (shared_ptr image, bool same, VideoContent::Frame frame) { - if (_frame_rate_conversion.skip && _odd) { - _odd = !_odd; - return; - } - - image = image->crop (_video_content->crop(), true); - - shared_ptr film = _film.lock (); - assert (film); - - libdcp::Size const container_size = _video_container_size.get_value_or (film->container()->size (film->full_frame ())); - libdcp::Size const image_size = _video_content->ratio()->size (container_size); - - shared_ptr out = image->scale_and_convert_to_rgb (image_size, film->scaler(), true); - - if (film->with_subtitles ()) { - shared_ptr sub; - if (_timed_subtitle && _timed_subtitle->displayed_at (t)) { - sub = _timed_subtitle->subtitle (); - } - - if (sub) { - dcpomatic::Rect const tx = subtitle_transformed_area ( - float (image_size.width) / _video_content->video_size().width, - float (image_size.height) / _video_content->video_size().height, - sub->area(), film->subtitle_offset(), film->subtitle_scale() - ); - - shared_ptr im = sub->image()->scale (tx.size(), film->scaler(), true); - out->alpha_blend (im, tx.position()); - } - } - - if (image_size != container_size) { - assert (image_size.width <= container_size.width); - assert (image_size.height <= container_size.height); - shared_ptr im (new SimpleImage (PIX_FMT_RGB24, container_size, true)); - im->make_black (); - im->copy (out, Position ((container_size.width - image_size.width) / 2, (container_size.height - image_size.height) / 2)); - out = im; - } - - Video (out, same, t); - - if (_frame_rate_conversion.repeat) { - Video (image, true, 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; + Video (image, same, frame); + _video_position = frame + 1; } +#if 0 + /** 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. @@ -114,40 +58,5 @@ VideoDecoder::subtitle (shared_ptr s) _timed_subtitle->subtitle()->set_position (Position (p.x - _video_content->crop().left, p.y - _video_content->crop().top)); } } +#endif -bool -VideoDecoder::video_done () const -{ - shared_ptr film = _film.lock (); - assert (film); - - return (_video_content->length() - _next_video) < film->video_frames_to_time (1); -} - -void -VideoDecoder::seek (Time t) -{ - _next_video = t; -} - -void -VideoDecoder::seek_back () -{ - shared_ptr film = _film.lock (); - assert (film); - _next_video -= film->video_frames_to_time (1); -} - -void -VideoDecoder::seek_forward () -{ - shared_ptr film = _film.lock (); - assert (film); - _next_video += film->video_frames_to_time (1); -} - -void -VideoDecoder::set_video_container_size (libdcp::Size s) -{ - _video_container_size = s; -}