#11585: Error converting 10bit to 8bit and vice-versa (Operation not supported) -------------------------------------+------------------------------------- Reporter: Paul | Type: defect Pacifico | Status: new | Priority: important Component: ffmpeg | Version: git- | master Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- **Summary of the bug:** I can't convert between colorspaces with the latest ffmpeg git version. **10bit source file to 8bit x264:** [swscaler @ 0x1316c0000] Unsupported input (Operation not supported): fmt:yuv422p10le csp:bt709 prim:bt709 trc:(null) -> fmt:yuv420p csp:bt709 prim:bt709 trc:(null) **8bit source file to 10bit prores:** [swscaler @ 0x151cd8000] Unsupported input (Operation not supported): fmt:yuv420p csp:bt709 prim:reserved trc:reserved -> fmt:yuv422p10le csp:bt709 prim:reserved trc:reserved How to reproduce: {{{ % ffmpeg -i 10bit-source-file.mov -c:v libx264 -an -pix_fmt yuv420p output.mp4 ffmpeg version N-119450-g244ad944e9 built on Mac OS 15.0 ARM }}} Paul. -- Ticket URL: <https://trac.ffmpeg.org/ticket/11585> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker