[Cin] FFmpeg supported QSV pixel formats and profiles
Terje J. Hanssen
terjejhanssen at gmail.com
Sat Oct 12 15:09:50 CEST 2024
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:
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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