FFmpeg 9.1 prepares Vulkan video and audio improvements

FFmpeg 9.1’s release branch adds Vulkan-based encoding for the royalty-free APV format and NVIDIA optical-flow frame-rate up-conversion, alongside H.265 Vulkan encoding improvements. The feature release also lists an improved AAC encoder, ASTC image encoding/decoding, H.264 data partitioning, and additional codecs and filters.

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