ср, 13 нояб. 2024 г., 17:54 Terje J. Hanssen <[email protected]>:
> > > > Den 13.11.2024 14:31, skrev Andrew Randrianasulu: > > > > ср, 13 нояб. 2024 г., 15:17 Terje J. Hanssen via Cin < > [email protected]>: > >> After finishing the three hevc_qsv presets for _8b420, _10b420 and >> _10b422 mp4 >> https://lists.cinelerra-gg.org/pipermail/cin/2024-November/009039.html >> >> I thought to do the corresponding for hevc_vaapi >> >> However I am struggling to get 10bit 422 output rendered from Cingg, >> which so far falls back to 10bit 420 chroma subsampling >> >> fprobe -hide_banner hd01_hevc_vaapi_10b422.mp4 >> Duration: 00:01:11.20, start: 0.000000, bitrate: 11082 kb/s >> Stream #0:0[0x1](und): Video: hevc (Main 10) (hev1 / 0x31766568), >> yuv420p10le(tv, bt709/unknown/unknown, top coded first (swapped)), >> 1920x1080 [SAR 1:1 DAR 16:9], 11080 kb/s, 25 fps, 25 tbr, 12800 tbn >> (default) >> >> >> In a previous thread I proved that ffmpeg hevc_vaapi encoding has this >> 10bit-422 capability >> 3) 10-bit yuv422p10le hevc_vaapi encoding using -vf 'format=y210,hwupload' >> https://lists.cinelerra-gg.org/pipermail/cin/2024-November/008982.html >> >> >> And yes, there was also issues before hevc_qsv_10b422.mp4 combinations >> Pixel format/profile finally succeeded. >> But here are some differences, yet. While hevc_qsv provided a Pixels drop >> down menu with pixel formats, >> hevc_vaapi just has a single "vaapi" pixel format. >> >> Any idea why, and what can fulfill the vaapi 10bit 422 encoding here? >> > > > I have some idea (hack add some pixel formats to hevc_vaapi, will only be > usable with internal ffmpeg) > > > Just to clarify: my tests vaapi tests and qsv tests are run on Cingg with > the onevpl patch and internal ffmpeg > > > but for now you can try to modify same place my 10bit encoding patch > modified, just with yuv422p10 instead of 420p10. > > > Exactly how and where? > there should be line (after you patch cingg with 10bit patch) in cinelerra/ffmpeg.C if (tenbit_enc) frames_ctx->sw_format = AV_PIX_FMT_P010LE; you need to replace AV_PX_FMT part... with AV_PIX_FMT_Y210LE ? recompile cingg now when you set export CIN_10BIT_ENC=1 before launching cin it *may be* will give you y422 10bit encoding for hevc_vaapi. > > sorry, a bit busy with other issues. > >> >> >> >> >> -- >> Cin mailing list >> [email protected] >> https://lists.cinelerra-gg.org/mailman/listinfo/cin >> > >
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