the #GstVideoInfo describing the video data in src_buffer
the source buffer containing video pixels to scale
the height in pixels to scale the video data in src_buffer to
the width in pixels to scale the video data in src_buffer to
pointer to a #GstVideoInfo structure that will be filled in with the details for dest_buffer
a pointer to a #GstBuffer variable, which will be set to a newly-allocated buffer containing the scaled pixels.
Scales a buffer containing RGBA (or AYUV) video. This is an internal helper function which is used to scale subtitle overlays, and may be deprecated in the near future. Use #GstVideoScaler to scale video buffers instead.