[FFmpeg-user] HW Acceleration 101? 2-Up Streaming from RTSP-->ffmpeg-->YouTube
andrei ka
andrei.k.gml at gmail.com
Mon Nov 8 19:43:27 EET 2021
you could simply plug a recent low profile nvidia (e.g. 1030) into pcie
slot of your hpe micro and nvenc would do 2 fhd h264 encodes like a charm
&rei
On Sun, Nov 7, 2021 at 11:40 PM Steven Kan <steven at kan.org> wrote:
> > On Jan 18, 2021, at 10:42 PM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
> wrote:
> >
> > Am Mo., 18. Jan. 2021 um 23:34 Uhr schrieb Steven Kan <steven at kan.org>:
> >>
> >>> On Jan 18, 2021, at 12:50 PM, Michael Koch <
> astroelectronic at t-online.de> wrote:
> >
> >>>> C:\Program Files\ffmpeg\bin> .\ffmpeg.exe -re -thread_queue_size 1024
> -i rtsp://anonymous:password@192.168.1.47:554 -i rtsp://
> anonymous:password at 192.168.1.50:554 -vcodec h264_amf -acodec copy -t
> 01:47:02 -filter_complex hstack=inputs=2 -f flv out.flv
> >>>>
> >>>> [snip
> >>
> >>>> Input #0, rtsp, from 'rtsp://anonymous:password@192.168.1.47:554':
> >>>> Metadata:
> >>>> title : Media Server
> >>>> Duration: N/A, start: 0.080000, bitrate: N/A
> >>>> Stream #0:0: Video: h264 (High), yuvj420p(pc, bt709, progressive),
> 1920x1080, 25 fps, 25 tbr, 90k tbn, 180k tbc
> >>>> Input #1, rtsp, from 'rtsp://anonymous:password@192.168.1.50:554':
> >>>> Metadata:
> >>>> title : Media Server
> >>>> Duration: N/A, start: 0.100000, bitrate: N/A
> >>>> Stream #1:0: Video: h264 (Main), yuv420p(progressive), 1920x1080,
> 100 tbr, 90k tbn, 180k tbc
> >>>
> >>> I see that the two streams have different pixel formats yuvj420p and
> yuv420p. You could try to bring them to the same pixel format before using
> hstack.
> >>> [0]format=yuv420p[a];[a][1]hstack
> >>>
> >>> It's only a wild guess, I'm not sure.
> >>
> >> Do I put this into the filter_complex argument, e.g. -filter_complex
> "[0]format=yuv420p[a];[a][1] hstack=inputs=2”
> >>
> >> That still results in the "Conversion failed!” error.
> >
> > There is a "scale" missing behind format iirc but for performance
> reasons you
> > want to overwrite the pix_fmt instead, not sure if this is possible.
>
> Some progress, here. I’m now attempting this on an M1-powered Mac mini:
>
> ./ffmpeg -thread_queue_size 1024 -hwaccel videotoolbox -i rtsp://
> anonymous:password at 192.168.1.47:554 -hwaccel videotoolbox -i rtsp://
> anonymous:password at 192.168.1.50:554 -vcodec h264_videotoolbox -acodec
> copy -t 01:00:00 -filter_complex hstack=inputs=2 -f flv "rtmp://
> a.rtmp.youtube.com/live2/<my-youtube-streaming-key”
>
> which results in:
>
> ffmpeg version 4.4 Copyright (c) 2000-2021 the FFmpeg developers
> built with Apple clang version 12.0.0 (clang-1200.0.32.27)
> configuration: --prefix=/Volumes/tempdisk/sw
> --extra-cflags=-fno-stack-check --arch=arm64 --cc=/usr/bin/clang
> --enable-gpl --enable-videotoolbox --enable-libopenjpeg --enable-libopus
> --enable-libmp3lame --enable-libx264 --enable-libx265 --enable-libvpx
> --enable-libwebp --enable-libass --enable-libfreetype --enable-libtheora
> --enable-libvorbis --enable-libsnappy --enable-libaom --enable-libvidstab
> --enable-libzimg --enable-libsvtav1 --enable-version3
> --pkg-config-flags=--static --disable-ffplay --enable-postproc
> --enable-nonfree --enable-neon --enable-runtime-cpudetect
> --disable-indev=qtkit --disable-indev=x11grab_xcb
> libavutil 56. 70.100 / 56. 70.100
> libavcodec 58.134.100 / 58.134.100
> libavformat 58. 76.100 / 58. 76.100
> libavdevice 58. 13.100 / 58. 13.100
> libavfilter 7.110.100 / 7.110.100
> libswscale 5. 9.100 / 5. 9.100
> libswresample 3. 9.100 / 3. 9.100
> libpostproc 55. 9.100 / 55. 9.100
> Input #0, rtsp, from 'rtsp://anonymous:password@192.168.1.47:554':
> Metadata:
> title : Media Server
> Duration: N/A, start: 0.080000, bitrate: N/A
> Stream #0:0: Video: h264 (High), yuvj420p(pc, bt709, progressive),
> 1920x1080, 25 fps, 25 tbr, 90k tbn, 180k tbc
> Input #1, rtsp, from 'rtsp://anonymous:password@192.168.1.50:554':
> Metadata:
> title : Media Server
> Duration: N/A, start: 0.060000, bitrate: N/A
> Stream #1:0: Video: h264 (Main), yuv420p(progressive), 1920x1080, 100
> tbr, 90k tbn, 180k tbc
> Stream #1:1: Audio: aac (LC), 8000 Hz, mono, fltp
> Stream mapping:
> Stream #0:0 (h264) -> hstack:input0
> Stream #1:0 (h264) -> hstack:input1
> hstack -> Stream #0:0 (h264_videotoolbox)
> Stream #1:1 -> #0:1 (copy)
> Press [q] to stop, [?] for help
> [rtsp @ 0x14a00ca00] max delay reached. need to consume packet
> [rtsp @ 0x14a00ca00] RTP: missed 146 packets
> [rtsp @ 0x139013a00] Thread message queue blocking; consider raising the
> thread_queue_size option (current value: 8)
> [rtsp @ 0x14a00ca00] max delay reached. need to consume packet
> [rtsp @ 0x14a00ca00] RTP: missed 80 packets
> Output #0, flv, to 'rtmp://
> a.rtmp.youtube.com/live2/q9rg-sqaq-f0mg-yj1c-e42f':
> Metadata:
> title : Media Server
> encoder : Lavf58.76.100
> Stream #0:0: Video: h264 ([7][0][0][0] / 0x0007), nv12(progressive),
> 3840x1080, q=2-31, 200 kb/s, 1k tbn (default)
> Metadata:
> encoder : Lavc58.134.100 h264_videotoolbox
> Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 8000 Hz, mono,
> fltp
> [h264_videotoolbox @ 0x14b01b800] Color range not set for nv12. Using MPEG
> range.
> [rtsp @ 0x139013a00] max delay reached. need to consume
> packettrate=6235.2kbits/s dup=0 drop=1 speed=0.794x
> [rtsp @ 0x139013a00] RTP: missed 29 packets
> [rtsp @ 0x139013a00] max delay reached. need to consume packet
> [rtsp @ 0x139013a00] RTP: missed 78 packets
> [rtsp @ 0x139013a00] max delay reached. need to consume packet
> [rtsp @ 0x139013a00] RTP: missed 132 packets
> [rtsp @ 0x139013a00] max delay reached. need to consume packet
> [rtsp @ 0x139013a00] RTP: missed 49 packets
> [rtsp @ 0x139013a00] max delay reached. need to consume packet
> [rtsp @ 0x139013a00] RTP: missed 12 packets
> [h264 @ 0x139074600] hardware accelerator failed to decode picture
> [h264 @ 0x139074c00] hardware accelerator failed to decode picture
> [h264 @ 0x139075200] hardware accelerator failed to decode picture
> [h264 @ 0x139070a00] hardware accelerator failed to decode picture
> [h264 @ 0x139072800] hardware accelerator failed to decode picture
> [h264 @ 0x139072e00] hardware accelerator failed to decode picture
> [h264 @ 0x139073400] hardware accelerator failed to decode picture
> [h264 @ 0x139073a00] hardware accelerator failed to decode picture
> Error while decoding stream #1:0: Unknown error occurred
> [h264 @ 0x139074000] hardware accelerator failed to decode picture
> Error while decoding stream #1:0: Unknown error occurred
>
> After a few seconds those errors go away, and then the status line just
> reads:
>
> frame=20249 fps= 55 q=-0.0 size= 67873kB time=00:06:12.99
> bitrate=1490.7kbits/s dup=0 drop=2 speed= 1x
>
> I don’t know why the errors occur, nor why they resolve themselves, but
> eventually it works. ¯\_(ツ)_/¯
>
> top shows ffmpeg consuming about ~30% of the CPU, which is more than I had
> hoped for, but far better than I’d seen on my previous i5- and AMD-powered
> boxes.
>
> So I should be able to stream 4 cameras to 2 YT channels without
> completely cooking my mini.
>
> I tried using hevc_videotoolbox, but I get the error, "Video codec hevc
> not compatible with flv"
>
> I am hopeful that further optimization of ffmpeg for AS is coming!
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
> To unsubscribe, visit link above, or email
> ffmpeg-user-request at ffmpeg.org with subject "unsubscribe".
>
More information about the ffmpeg-user
mailing list