On Thu, Nov 14, 2024 at 1:35 AM Terje J. Hanssen <[email protected]> wrote:
> > > > Den 13.11.2024 16:10, skrev Andrew Randrianasulu: > > > > 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. > > >> > Yes, but too much. Now it seems like all presets based on nv12, p010le and > y210le respectively end up as yuv422p10le format. > > At least we found correct place to modify! I'll try to make something better tomorrow > > > > >> sorry, a bit busy with other issues. >> >>> >>> >>> >>> >>> -- >>> Cin mailing list >>> [email protected] >>> https://lists.cinelerra-gg.org/mailman/listinfo/cin >>> >> >> >
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