ignore ffmpeg deprecated warnings
ignore ffmpeg deprecated warnings

joshmarinacci/aminogfx-gl,joshmarinacci/aminogfx-gl,cbratschi/aminogfx-gl,joshmarinacci/aminogfx-gl,cbratschi/aminogfx-gl,joshmarinacci/aminogfx-gl,joshmarinacci/aminogfx-gl,cbratschi/aminogfx-gl,cbratschi/aminogfx-gl,cbratschi/aminogfx-gl