ср, 19 июн. 2024 г., 03:30 Terje J. Hanssen via Cin < [email protected]>:
> Late last year I posted a thread "[Cin] Prepping HW upgrade options for > AV1 de-/encoding" > https://www.mail-archive.com/[email protected]/msg06626.html > > and there have also been other threads about hardware acceleration > > So here again, I also wanted to give it a first try with ffmpeg -hwaccel > AV1 QSV encoding. > First some system specifications: > > inxi -CGS > System: > Host: localhost.localdomain Kernel: 6.9.4-1-default arch: x86_64 bits: 64 > Desktop: GNOME v: 46.2 Distro: openSUSE Tumbleweed-Slowroll 20240605 > CPU: > Info: 12-core (8-mt/4-st) model: 12th Gen Intel Core i7-12700KF bits: 64 > type: MST AMCP cache: L2: 12 MiB > Speed (MHz): avg: 800 min/max: 800/4900:5000:3800 cores: 1: 800 2: 800 > 3: 800 4: 800 5: 800 6: 800 7: 800 8: 800 9: 800 10: 800 11: 800 12: > 800 > 13: 800 14: 800 15: 800 16: 800 17: 800 18: 800 19: 800 20: 800 > Graphics: > Device-1: Intel DG2 [Arc A750] driver: i915 v: kernel > Device-2: Microdia Camera driver: snd-usb-audio,uvcvideo type: USB > Display: wayland server: X.org v: 1.21.1.12 with: Xwayland v: 24.1.0 > compositor: gnome-shell driver: gpu: i915 resolution: 2560x1440~60Hz > API: OpenGL v: 4.6 vendor: intel mesa v: 24.0.8 renderer: Mesa Intel Arc > A750 Graphics (DG2) > API: EGL Message: EGL data requires eglinfo. Check --recommends. > > ls /dev/dri > by-path card1 renderD128 > > > ffmpeg -hide_banner -hwaccels > Hardware acceleration methods: > vdpau > cuda > vaapi > qsv > drm > vulkan > > ffmpeg -hide_banner -h encoder=av1_qsv > Encoder av1_qsv [AV1 (Intel Quick Sync Video acceleration)]: > General capabilities: delay hybrid > Threading capabilities: none > Supported hardware devices: qsv qsv qsv > Supported pixel formats: nv12 p010le qsv > av1_qsv encoder AVOptions: > -async_depth <int> E..V....... Maximum processing > parallelism (from 1 to INT_MAX) (default 4) > -preset <int> E..V....... (from 0 to 7) (default 0) > veryfast 7 E..V....... > faster 6 E..V....... > fast 5 E..V....... > medium 4 E..V....... > slow 3 E..V....... > slower 2 E..V....... > veryslow 1 E..V....... > -forced_idr <boolean> E..V....... Forcing I frames as IDR > frames (default false) > -low_power <boolean> E..V....... enable low power > mode(experimental: many limitations by mfx version, BRC modes, etc.) > (default auto) > -b_strategy <int> E..V....... Strategy to choose between > I/P/B-frames (from -1 to 1) (default -1) > -adaptive_i <int> E..V....... Adaptive I-frame placement > (from -1 to 1) (default -1) > -adaptive_b <int> E..V....... Adaptive B-frame placement > (from -1 to 1) (default -1) > -extbrc <int> E..V....... Extended bitrate control > (from -1 to 1) (default -1) > -low_delay_brc <boolean> E..V....... Allow to strictly obey avg > frame size (default auto) > -max_frame_size <int> E..V....... Maximum encoded frame size > in bytes (from -1 to INT_MAX) (default -1) > -max_frame_size_i <int> E..V....... Maximum encoded I frame size > in bytes (from -1 to INT_MAX) (default -1) > -max_frame_size_p <int> E..V....... Maximum encoded P frame size > in bytes (from -1 to INT_MAX) (default -1) > -profile <int> E..V....... (from 0 to INT_MAX) (default > unknown) > unknown 0 E..V....... > main 1 E..V....... > -tile_cols <int> E..V....... Number of columns for tiled > encoding (from 0 to 65535) (default 0) > -tile_rows <int> E..V....... Number of rows for tiled > encoding (from 0 to 65535) (default 0) > -look_ahead_depth <int> E..V....... Depth of look ahead in > number frames, available when extbrc option is enabled (from 0 to 100) > (default 0) > > -------------- > > So far I have not found any detailed user guide for this, so suggestions > are welcome. > > I have tried to apply a sample command line from the FFmpeg > wiki:Hardware/QuickSync > https://trac.ffmpeg.org/wiki/Hardware/QuickSync#Transcode > > ffmpeg -hwaccel qsv -qsv_device /dev/dri/renderD128 -c:v h264_qsv -i > input.mp4 -c:v h264_qsv output.mp4 > > > I added -preset 4 (medium) from above (which gives much more compression > and smaller file size than with -preset 4 for av1_svt). > This didn't seem to change the file size compression compared with the > defaults (without setting preset) > Some visible artifacts (mosaic and stuttering ) is seen during zoom and > pan in the hdv file; probably due to hard compression and/or the memory > allocation error messages, I would guess. > > ------------- > > In short, I have tested the same SD-DV 576i and HDV 1080i video files as > with SVT-AV1 (CPU based) in another resent post. > > ffmpeg -hide_banner -hwaccel qsv -qsv_device /dev/dri/renderD128 -i > dv01_07.dv -c:v av1_qsv -preset 4 dv01_07_av1_qsv_pr4.webm > frame= 2832 fps=2106 q=-0.0 Lsize= 10554KiB time=00:01:53.24 bitrate= > 763.5kbits/s speed=84.2x > > fmpeg -hide_banner -hwaccel qsv -qsv_device /dev/dri/renderD128 -i > hdv09_04.m2t -c:v av1_qsv -preset 4 hdv09_04.m2t_av1_qsv_pr4.webm > frame= 5913 fps=700 q=-0.0 Lsize= 48022KiB time=00:03:58.77 > bitrate=1647.6kbits/s dup=0 drop=4 speed=28.3x > > > du -sh dv01_07* > 389M dv01_07.dv > 11M dv01_07_av1_qsv_pr4.webm > 24M dv01_07_svt-av1_pr4.webm > 27M dv01_07_svt-av1_pr6.webm > 28M dv01_07_svt-av1_pr8.webm > 31M dv01_07_svt-av1_pr10.webm > 33M dv01_07_svt-av1_pr12.webm > > du -sh hdv09_04* > 745M hdv09_04.m2t > 47M hdv09_04.m2t_av1_qsv_pr4.webm > 111M hdv09_04_m2t_svt-av1_pr4.webm > 119M hdv09_04_m2t_svt-av1_pr6.webm > 118M hdv09_04_m2t_svt-av1_pr8.webm > 125M hdv09_04_m2t_svt-av1_pr10.webm > 134M hdv09_04_m2t_svt-av1_pr12.webm > > > A warning output in both command lines is: > > [vist#0:0/dvvideo @ 0x556a3f679100] WARNING: defaulting > hwaccel_output_format to qsv for compatibility with old commandlines. This > behaviour is DEPRECATED and will be removed in the future. Please > explicitly set "-hwaccel_output_format qsv". > > I tried to add this without success, so suggestion is welcome !? > > > And possibly suggestions regarding the more seriously errors "Cannot > allocate memory" that arised from the second command transcoding the hdv > file? > well, you tried to add -extra_hw_frames 16 for example to your ffmpeg line? I think mpeg2 is not most popular input codec nowadays .... [mpeg2_qsv @ 0x5596ba3d1500] Failed to allocate a qsv/nv12 frame from a > fixed pool of hardware frames. > [mpeg2_qsv @ 0x5596ba3d1500] Consider setting extra_hw_frames to a larger > value (currently set to 8, giving a pool size of 32). > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Error submitting packet to decoder: Cannot allocate memory > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Error submitting packet to decoder: Cannot allocate memory > ....... skip > [mpegts @ 0x5596ba48c000] PES packet size mismatch0:03:46.20 > bitrate=1650.3kbits/s speed=28.3x > [mpegts @ 0x5596ba48c000] Packet corrupt (stream = 1, dts = 258142320). > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Decoding error: Cannot allocate memory > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Decoding error: Cannot allocate memory > .......... skip > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [mpeg2_qsv @ 0x5596ba3d1500] Too many errors when draining, this is a bug. > Stop draining and force EOF. > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Decoding error: Internal bug, should not have happened > > I attach also the "complete" ffmpeg output FWIW for both files, though > skipping repeated error lines: > > ffmpeg -hide_banner -hwaccel qsv -qsv_device /dev/dri/renderD128 -i > dv01_07.dv -c:v av1_qsv -preset 4 dv01_07_av1_qsv_pr4.webm > libva info: VA-API version 1.21.0 > libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.21.0 > libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > [dv @ 0x556a3f643000] Estimating duration from bitrate, this may be > inaccurate > [vist#0:0/dvvideo @ 0x556a3f679100] WARNING: defaulting > hwaccel_output_format to qsv for compatibility with old commandlines. This > behaviour is DEPRECATED and will be removed in the future. Please > explicitly set "-hwaccel_output_format qsv". > 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 > 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 @ 0x556a3f656580] No bit rate set. Defaulting to 96000 bps. > [av1_qsv @ 0x556a3f653040] Using the constant quantization parameter (CQP) > by default. Please use the global_quality option and other options for a > quality-based mode or the b option and other options for a bitrate-based > mode if the default is not the desired choice. > Output #0, webm, to 'dv01_07_av1_qsv_pr4.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, 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 @ 0x556a3f4da5c0] video:9315KiB audio:1186KiB subtitle:0KiB > other streams:0KiB global headers:0KiB muxing overhead: 0.505196% > frame= 2832 fps=2106 q=-0.0 Lsize= 10554KiB time=00:01:53.24 bitrate= > 763.5kbits/s speed=84.2x > > bitrate= 763.5kbits/s sounds a bit low even for av1, so may be try to set -b to some higher value as suggested? ==== av1_qsv @ 0x556a3f653040] Using the constant quantization parameter (CQP) by default. Please use the global_quality option and other options for a quality-based mode or the b option and other options for a bitrate-based mode if the default is not the desired choice. ==== > > ------------------ > > ffmpeg -hide_banner -hwaccel qsv -qsv_device /dev/dri/renderD128 -i > hdv09_04.m2t -c:v av1_qsv -preset 4 hdv09_04.m2t_av1_qsv_pr4.webm > libva info: VA-API version 1.21.0 > libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > libva info: VA-API version 1.21.0 > libva info: Trying to open /usr/lib64/dri/iHD_drv_video.so > libva info: Found init function __vaDriverInit_1_20 > libva info: va_openDriver() returns 0 > [mpeg2video @ 0x5596ba391500] Invalid frame dimensions 0x0. > Last message repeated 3 times > [mpegts @ 0x5596ba48c000] PES packet size mismatch > [mpegts @ 0x5596ba48c000] Packet corrupt (stream = 1, dts = 258142320). > [mpegts @ 0x5596ba48c000] Could not find codec parameters for stream 2 > (Unknown: none ([160][0][0][0] / 0x00A0)): unknown codec > Consider increasing the value for the 'analyzeduration' (0) and > 'probesize' (5000000) options > [mpegts @ 0x5596ba48c000] Could not find codec parameters for stream 3 > (Unknown: none ([161][0][0][0] / 0x00A1)): unknown codec > Consider increasing the value for the 'analyzeduration' (0) and > 'probesize' (5000000) options > [vist#0:0/mpeg2video @ 0x5596ba394d00] WARNING: defaulting > hwaccel_output_format to qsv for compatibility with old commandlines. This > behaviour is DEPRECATED and will be removed in the future. Please > explicitly set "-hwaccel_output_format qsv". > Input #0, mpegts, from 'hdv09_04.m2t': > Duration: 00:03:59.06, start: 2629.496000, bitrate: 26110 kb/s > Program 100 > Stream #0:0[0x810]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), > yuv420p(tv, bt709, top first), 1440x1080 [SAR 4:3 DAR 16:9], 25000 kb/s, 25 > fps, 25 tbr, 90k tbn > Side data: > cpb: bitrate max/min/avg: 25000000/0/0 buffer size: 7340032 > vbv_delay: N/A > Stream #0:1[0x814]: Audio: mp2 (mp3float) ([3][0][0][0] / 0x0003), 48000 > Hz, stereo, fltp, 384 kb/s > Stream #0:2[0x815]: Unknown: none ([160][0][0][0] / 0x00A0) > Stream #0:3[0x811]: Unknown: none ([161][0][0][0] / 0x00A1) > Stream mapping: > Stream #0:0 -> #0:0 (mpeg2video (mpeg2_qsv) -> av1 (av1_qsv)) > Stream #0:1 -> #0:1 (mp2 (native) -> opus (libopus)) > Press [q] to stop, [?] for help > [libopus @ 0x5596ba448cc0] No bit rate set. Defaulting to 96000 bps. > [av1_qsv @ 0x5596ba39f1c0] Using the constant quantization parameter (CQP) > by default. Please use the global_quality option and other options for a > quality-based mode or the b option and other options for a bitrate-based > mode if the default is not the desired choice. > Output #0, webm, to 'hdv09_04.m2t_av1_qsv_pr4.webm': > Metadata: > encoder : Lavf61.1.100 > Stream #0:0: Video: av1, qsv(tv, bt709, top coded first (swapped)), > 1440x1080 [SAR 4:3 DAR 16:9], q=2-31, 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 > [mpeg2_qsv @ 0x5596ba3d1500] Failed to allocate a qsv/nv12 frame from a > fixed pool of hardware frames. > [mpeg2_qsv @ 0x5596ba3d1500] Consider setting extra_hw_frames to a larger > value (currently set to 8, giving a pool size of 32). > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Error submitting packet to decoder: Cannot allocate memory > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Error submitting packet to decoder: Cannot allocate memory > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > ............skip > [mpegts @ 0x5596ba48c000] PES packet size mismatch0:03:46.20 > bitrate=1650.3kbits/s speed=28.3x > [mpegts @ 0x5596ba48c000] Packet corrupt (stream = 1, dts = 258142320). > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Decoding error: Cannot allocate memory > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Decoding error: Cannot allocate memory > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Decoding error: Cannot allocate memory > .......skip > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Decoding error: Cannot allocate memory > [mpeg2_qsv @ 0x5596ba3d1500] get_buffer() failed > [mpeg2_qsv @ 0x5596ba3d1500] Too many errors when draining, this is a bug. > Stop draining and force EOF. > [vist#0:0/mpeg2video @ 0x5596ba394d00] [dec:mpeg2_qsv @ 0x5596ba3921c0] > Decoding error: Internal bug, should not have happened > [out#0/webm @ 0x5596ba3cc400] video:45422KiB audio:2490KiB subtitle:0KiB > other streams:0KiB global headers:0KiB muxing overhead: 0.230717% > frame= 5913 fps=700 q=-0.0 Lsize= 48022KiB time=00:03:58.77 > bitrate=1647.6kbits/s dup=0 drop=4 speed=28.3x > > > > > > > > > > > > > > > -- > Cin mailing list > [email protected] > https://lists.cinelerra-gg.org/mailman/listinfo/cin >
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