vf_vapoursynth: pass through container FPS value

This is basically a hack; but apparently a needed one, since many
vapoursynth filters insist on having a FPS set.

We need to apply the FPS override before creating the filters. Also
change some terminal output related to the FPS value.

1 files changed, 2 insertions, 0 deletions

diff --git a/video/filter/vf.h b/video/filter/vf.h
index 4ff8398229..37ad4ca29c 100644
--- a/video/filter/vf.h
+++ b/video/filter/vf.h
@@ -123,6 +123,8 @@ struct vf_chain {
     struct mp_image_params output_params;
     uint8_t allowed_output_formats[IMGFMT_END - IMGFMT_START];
 
+    double container_fps;
+
     struct mp_log *log;
     struct MPOpts *opts;
     struct mpv_global *global;