vo_opengl: adjust interpolation code for the new video-sync mechanism

This should make interpolation work much better in general, although
there still might be some side effects for unusual framerates (eg. 35 Hz
or 48 Hz). Most of the common framerates are tested and working fine.
(24 Hz, 30 Hz, 60 Hz)

The new code doesn't have support for oversample yet, so it's been
removed (and will most likely be reimplemented in a cleaner way if
there's enough demand). I would recommend using something like robidoux
or mitchell instead of oversample, though - they're much
smoother for the common cases.

1 files changed, 4 insertions, 5 deletions

diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst
index abf72f9b00..576c34e8e3 100644
--- a/DOCS/man/vo.rst
+++ b/DOCS/man/vo.rst
@@ -495,12 +495,11 @@ Available video output drivers are:
         The filter used for interpolating the temporal axis (frames). This is
         only used if ``interpolation`` is enabled. The only valid choices
         for ``tscale`` are separable convolution filters (use ``tscale=help``
-        to get a list). The default is ``oversample``.
+        to get a list). The default is ``robidoux``.
 
-        Note that the maximum supported filter radius is currently 3, and that
-        using filters with larger radius may introduce issues when pausing or
-        framestepping, proportional to the radius used. It is recommended to
-        stick to a radius of 1 or 2.
+        Note that the maximum supported filter radius is currently 3, due to
+        limitations in the number of video textures that can be loaded
+        simultaneously.
 
     ``dscale-radius``, ``cscale-radius``, ``tscale-radius``, etc.
         Set filter parameters for ``dscale``, ``cscale`` and ``tscale``,