Builds and appear to work on aarch64/termux, still not tested on say Arch arm ... x265 [info]: HEVC encoder version 3.5+1-f0c1022b6 x265 [info]: build info [Linux][clang 16.0.5][64 bit] 8bit x265 [info]: using cpu capabilities: NEON x265 [info]: Main profile, Level-4 (Main tier) x265 [info]: Thread pool created using 8 threads x265 [info]: Slices : 1 x265 [info]: frame threads / pool features : 3 / wpp(17 rows) x265 [info]: Coding QT: max CU size, min CU size : 64 / 8 x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra x265 [info]: ME / range / subpel / merge : hex / 57 / 2 / 3 x265 [info]: Keyframe min / max / scenecut / bias : 30 / 30 / 40 / 5.00 x265 [info]: Lookahead / bframes / badapt : 20 / 4 / 2 x265 [info]: b-pyramid / weightp / weightb : 1 / 1 / 0 x265 [info]: References / ref-limit cu / depth : 3 / off / on x265 [info]: AQ: mode / str / qg-size / cu-tree : 2 / 1.0 / 32 / 1 x265 [info]: Rate Control / qCompress : CRF-28.0 / 0.60 x265 [info]: tools: rd=3 psy-rd=2.00 early-skip rskip mode=1 signhide tmvp x265 [info]: tools: b-intra strong-intra-smoothing lslices=6 deblock sao FFMPEG::open_decoder: some stream times estimated: /data/data/com.termux/files/home/20081103140154.m2t x265 [info]: frame I: 5, Avg QP:28.02 kb/s: 14141.36 x265 [info]: frame P: 25, Avg QP:28.87 kb/s: 3623.26 x265 [info]: frame B: 92, Avg QP:34.67 kb/s: 504.94 x265 [info]: Weighted P-Frames: Y:4.0% UV:0.0% encoded 122 frames in 39.10s (3.12 fps), 1702.81 kb/s, Avg QP:33.20 Render::render_single: Session finished. ** rendered 122 frames in 43.021 secs, 2.836 fps === for 1440*1080 m2ts re-encoding