[Cin] FFmpeg supported QSV pixel formats and profiles
Terje J. Hanssen
terjejhanssen at gmail.com
Sat Oct 12 15:59:37 CEST 2024
Den 12.10.2024 15:09, skrev Terje J. Hanssen:
>
>
> Den 12.10.2024 14:39, skrev Andrew Randrianasulu:
>>
>>
>> сб, 12 окт. 2024 г., 13:23 Terje J. Hanssen via Cin
>> <cin at lists.cinelerra-gg.org>:
>>
>>
>>
>> Den 12.10.2024 12:08, skrev Terje J. Hanssen:
>>> An overview over the system FFmpeg 7.x supported QSV pixel
>>> formats and profiles:
>>>
>>>
>>> ffmpeg -hide_banner -h encoder=hevc_qsv | egrep
>>> 'Supported|profile|main'
>>> Supported hardware devices: qsv qsv qsv
>>> Supported pixel formats: nv12 p010le p012le yuyv422 y210le
>>> qsv bgra x2rgb10le vuyx xv30le
>>> -profile <int> E..V....... (from 0 to INT_MAX)
>>> (default unknown)
>>> main 1 E..V.......
>>> main10 2 E..V.......
>>> mainsp 3 E..V.......
>>> main 0 E..V.......
>>>
>>>
>>> ffmpeg -hide_banner -h encoder=h264_qsv | egrep
>>> 'Supported|profile|main'
>>> Supported hardware devices: qsv qsv qsv
>>> Supported pixel formats: nv12 qsv
>>> -profile <int> E..V....... (from 0 to INT_MAX)
>>> (default unknown)
>>> main 77 E..V.......
>>
>>
>> I think we can concentrate on av1 for now.
>>
>> does it fail if you add "-profile main" to ffmpeg command line for dv
>> av1 encode?
>>
>> dv due to it being software codec, so ffmpeg forced to push and
>> convert frames from system memory, as opposed to hdv (hw) = > av1
>> on-gpu transcode)
>>
>
> No, it doesn't fail:
but claims:
"Please use -profile:a or -profile:v, -profile is ambiguous"
>
> ffmpeg -hide_banner -hwaccel_output_format qsv -qsv_device
> /dev/dri/renderD128 -i dv01_07.dv -c:v av1_qsv -preset 4 -profile main
> -b:v 1570k dv01_07_av1_qsv_main_pr4_bv1570k.webm
> libva info: VA-API version 1.22.0
> libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so
> libva info: Found init function __vaDriverInit_1_22
> libva info: va_openDriver() returns 0
> libva info: VA-API version 1.22.0
> libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so
> libva info: Found init function __vaDriverInit_1_22
> libva info: va_openDriver() returns 0
> [dv @ 0x5606d5914c00] Estimating duration from bitrate, this may be
> inaccurate
> Input #0, dv, from 'dv01_07.dv':
> Metadata:
> timecode : 01:09:35:09
> Duration: 00:01:53.28, start: 0.000000, bitrate: 28800 kb/s
> Stream #0:0: Video: dvvideo, yuv420p, 720x576 [SAR 16:15 DAR 4:3],
> 28800 kb/s, 60k fps, 25 tbr, 60k tbn
> Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
> Please use -profile:a or -profile:v, -profile is ambiguous
> Stream mapping:
> Stream #0:0 -> #0:0 (dvvideo (native) -> av1 (av1_qsv))
> Stream #0:1 -> #0:1 (pcm_s16le (native) -> opus (libopus))
> Press [q] to stop, [?] for help
> [libopus @ 0x5606d5ac5100] No bit rate set. Defaulting to 96000 bps.
> Output #0, webm, to 'dv01_07_av1_qsv_main_pr4_bv1570k.webm':
> Metadata:
> timecode : 01:09:35:09
> encoder : Lavf61.1.100
> Stream #0:0: Video: av1, nv12(bottom coded first (swapped)), 720x576
> [SAR 16:15 DAR 4:3], q=2-31, 1570 kb/s, 25 fps, 1k tbn
> Metadata:
> encoder : Lavc61.3.100 av1_qsv
> Stream #0:1: Audio: opus, 48000 Hz, stereo, s16, 96 kb/s
> Metadata:
> encoder : Lavc61.3.100 libopus
> [out#0/webm @ 0x5606d591cf40] video:22613KiB audio:1186KiB
> subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead:
> 0.223557%
> frame= 2832 fps=1764 q=-0.0 Lsize= 23852KiB time=00:01:53.24
> bitrate=1725.5kbits/s speed=70.5x
>
>>
>>
>>>
>>
>> hevc_qsv and h264_qsv encoders also have "high" profile:
>>
>>
>> ffmpeg -hide_banner -h encoder=hevc_qsv | egrep
>> 'Supported|profile|main|high'
>> Supported hardware devices: qsv qsv qsv
>> Supported pixel formats: nv12 p010le p012le yuyv422 y210le
>> qsv bgra x2rgb10le vuyx xv30le
>> -profile <int> E..V....... (from 0 to INT_MAX)
>> (default unknown)
>> main 1 E..V.......
>> main10 2 E..V.......
>> mainsp 3 E..V.......
>> -tier <int> E..V....... Set the encoding
>> tier (only level >= 4 can support high tier) (from 0 to 256)
>> (default high)
>> main 0 E..V.......
>> high 256 E..V.......
>>
>>
>> ffmpeg -hide_banner -h encoder=h264_qsv | egrep
>> 'Supported|profile|main|high'
>> Supported hardware devices: qsv qsv qsv
>> Supported pixel formats: nv12 qsv
>> -profile <int> E..V....... (from 0 to INT_MAX)
>> (default unknown)
>> main 77 E..V.......
>> high 100 E..V.......
>>
>>
>>
>>>
>>> ffmpeg -hide_banner -h encoder=av1_qsv | egrep
>>> 'Supported|profile|main'
>>> Supported hardware devices: qsv qsv qsv
>>> Supported pixel formats: nv12 p010le qsv
>>> -profile <int> E..V....... (from 0 to INT_MAX)
>>> (default unknown)
>>> main 1 E..V.......
>>>
>>>
>>> ffmpeg -hide_banner -h encoder=vp9_qsv | egrep
>>> 'Supported|profile|main'
>>> Supported hardware devices: qsv qsv qsv
>>> Supported pixel formats: nv12 p010le vuyx qsv xv30le
>>> -profile <int> E..V....... (from 0 to INT_MAX)
>>> (default unknown)
>>> profile0 1 E..V.......
>>> profile1 2 E..V.......
>>> profile2 3 E..V.......
>>> profile3 4 E..V.......
>>>
>>>
>>> ffmpeg -hide_banner -h encoder=vp9_qsv | egrep 'Supported|main'
>>> Supported hardware devices: qsv qsv qsv
>>> Supported pixel formats: nv12 p010le vuyx qsv xv30le
>>
>> --
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>> Cin at lists.cinelerra-gg.org
>> https://lists.cinelerra-gg.org/mailman/listinfo/cin
>>
>
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