winegstreamer: Avoid performing color matrix conversions in videoconvert.

This reduces the time videoconvert takes to process I420 -> YV12 from 15 ms to 0.8 ms on my system. Signed-off-by: Zebediah Figura <z.figura12@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

winegstreamer: Avoid performing color matrix conversions in videoconvert.
fd25ba65 · Zebediah Figura · Alexandre Julliard · 930dc23c · fd25ba65
Commit fd25ba65 authored Jun 22, 2020 by Zebediah Figura Committed by Alexandre Julliard Jun 23, 2020
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gstdemux.c dlls/winegstreamer/gstdemux.c +3 -0

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--- a/dlls/winegstreamer/gstdemux.c
+++ b/dlls/winegstreamer/gstdemux.c
@@ -1022,6 +1022,9 @@ static void init_new_decoded_pad(GstElement *bin, GstPad *pad, struct gstdemux *
            goto out;
        }

+        /* Avoid expensive color matrix conversions. */
+        gst_util_set_object_arg(G_OBJECT(vconv), "matrix-mode", "none");
+
        /* GStreamer outputs RGB video top-down, but DirectShow expects bottom-up. */
        if (!(flip = gst_element_factory_make("videoflip", NULL)))
        {