bump to ffmpeg v4.2.2

Author: almarklein

imageio_ffmpeg/_definitions.py

@@ -28,11 +28,11 @@ def get_platform():
 
 # Platform string -> ffmpeg filename
 FNAME_PER_PLATFORM = {
-    "osx64": "ffmpeg-osx64-v4.1",  # 10.9+
-    "win32": "ffmpeg-win32-v4.1.exe",  # Windows 7+
-    "win64": "ffmpeg-win64-v4.1.exe",
-    # "linux32": "ffmpeg-linux32-v4.1",
-    "linux64": "ffmpeg-linux64-v4.1",  # Kernel 2.6.32+
+    "osx64": "ffmpeg-osx64-v4.2.2",  # 10.10+
+    "win32": "ffmpeg-win32-v4.2.2.exe",  # Windows 7+
+    "win64": "ffmpeg-win64-v4.2.2.exe",
+    # "linux32": "ffmpeg-linux32-v4.2.2",
+    "linux64": "ffmpeg-linux64-v4.2.2",  # Kernel 3.2.0+
 }
 
 osxplats = "macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64"