Fix nvidia vulkan decoding. Fix vulkan filters output format.

Original patch for fixing nvidia vulkan decoding:
https://github.com/streetpea/chiaki4deck/issues/239#issuecomment-1929365254

References
----------
[1] https://trac.ffmpeg.org/ticket/10847
[2] https://trac.ffmpeg.org/ticket/10970
[3] https://trac.ffmpeg.org/ticket/10876
[4] https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/eb7d019b326b0c34e07f2369f31e8ba266fa666b

050-ffmpeg-fix-segfault-with-avisynthplus.patch

@@ -0,0 +1,11 @@
+--- a/libavformat/avisynth.c
++++ b/libavformat/avisynth.c
+@@ -142,7 +142,7 @@ static av_cold void avisynth_atexit_handler(void);
+ 
+ static av_cold int avisynth_load_library(void)
+ {
+-    avs_library.library = dlopen(AVISYNTH_LIB, RTLD_NOW | RTLD_LOCAL);
++    avs_library.library = dlopen(AVISYNTH_LIB, RTLD_NOW | RTLD_DEEPBIND);
+     if (!avs_library.library)
+         return AVERROR_UNKNOWN;
+