[Cin] 10bit VAAPI encoding preset

[Andrew Randrianasulu]

On Wed, Nov 13, 2024 at 9:31 PM Phyllis Smith via Cin <
cin at lists.cinelerra-gg.org> wrote:

> Andrew, when I check into Git the onevpl patch, I would like to checkin
> Terje's final tested 3 hevc_qsv render formats.  Even though there will be
> relatively few users who not only have the Intel hardware to use these as
> well as their own build, it seems like a valuable addition.  Any objections?
>

No objections



>
> On Wed, Nov 13, 2024 at 5:17 AM Terje J. Hanssen via Cin <
> cin at lists.cinelerra-gg.org> wrote:
>
>> 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?
>>
>>
>>
>>
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>>
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