Two simple tests I got working Cinelerra Infinity - built: Sep 8 2024 10:37:25 (rpm installation) on Leap 15.6 on i7-12700KF + Arc A750 gpu As seen below, quite fast rendering: * 207 fps for hdv.m2t (yuv420p) input -> yuvj420p * 125 fps for proreshq.mov (yuv422p10le) -> yuvj420p (10-bit to 8-bit color depth) 1) hdv.m2t Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR 16:9], 25000 kb/s, 25 fps, 25 tbr, 90k tbn Side data: cpb: bitrate max/min/avg: 25000000/0/0 buffer size: 7340032 vbv_delay: N/A Stream #0:1[0x814]: Audio: mp2 (mp3float) ([3][0][0][0] / 0x0003), 48000 Hz, stereo, fltp, 384 kb/s -> hevc_vaapi.mp4 ** rendered 5972 frames in 28.721 secs, 207.931 fps audio0 pad 64 0 (64) tream #0:0[0x1](und): Video: hevc (Main) (hev1 / 0x31766568), yuvj420p(pc, bt709/unknown/unknown, top coded first (swapped)), 1440x1080 [SAR 4:3 DAR 16:9], 11716 kb/s, 25 fps, 25 tbr, 12800 tbn (default) Metadata: handler_name : VideoHandler vendor_id : [0][0][0][0] Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 129 kb/s (default) 2) hd.mov Stream #0:0[0x1](eng): Video: prores (HQ) (apch / 0x68637061), yuv422p10le(bt709, top coded first (swapped)), 1920x1080, 182130 kb/s, SAR 1:1 DAR 16:9, 25 fps, 25 tbr, 2500 tbn (default) Metadata: creation_time : 2016-02-23T23:49:21.000000Z handler_name : Apple Video Media Handler vendor_id : appl encoder : Apple ProRes 422 (HQ) Stream #0:1[0x2](eng): Audio: pcm_s24le (lpcm / 0x6D63706C), 48000 Hz, 16 channels, s32 (24 bit), 18432 kb/s (default) -> hevc_vaapi.mp4 ** rendered 1781 frames in 14.188 secs, 125.529 fps audio0 pad 128 0 (128) Stream #0:0[0x1](und): Video: hevc (Main) (hev1 / 0x31766568), yuvj420p(pc, bt709/unknown/unknown, top coded first (swapped)), 1920x1080 [SAR 1:1 DAR 16:9], 11427 kb/s, 25 fps, 25 tbr, 12800 tbn (default) Metadata: handler_name : VideoHandler vendor_id : [0][0][0][0] Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 16 channels, fltp, 378 kb/s (default)