[FFmpeg-user] Facing issues in streaming videos
karthik
karthikdas81 at gmail.com
Tue Mar 10 11:50:58 EET 2020
hi,
I will updated to 52GB and check is that enough ??
But what is stale-buffer issue ??
Why CPU usage is Increasing and buffer while I am streaming for 2
hours.
On Tue, Mar 10, 2020 at 2:14 PM Mark Filipak <
markfilipak.windows+ffmpeg at gmail.com> wrote:
> On 03/10/2020 04:35 AM, Dennis Mungai wrote:
> > On Tue, 10 Mar 2020, 11:15 karthik, <karthikdas81 at gmail.com> wrote:
> >
> >> I am using below hardware specs for streaming 20 channels
> >>
> >> Cpu:
> >> AMD Ryzen 7 2700
> >> AMD A320 chipset
> >> 16GB DDR4 RAM
> >> NVidia GT 710 2GB card
> >>
> >>
> >> Am using ffmpeg Version :
> >>
> >> ffmpeg version 4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
> >> built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.11) 20160609
> >> configuration:
> >> libavutil 56. 31.100 / 56. 31.100
> >> libavcodec 58. 54.100 / 58. 54.100
> >> libavformat 58. 29.100 / 58. 29.100
> >> libavdevice 58. 8.100 / 58. 8.100
> >> libavfilter 7. 57.100 / 7. 57.100
> >> libswscale 5. 5.100 / 5. 5.100
> >> libswresample 3. 5.100 / 3. 5.100
> >>
> >>
> >>
> ================================================================================
> >> Tasks: 289 total, 12 running, 176 sleeping, 0 stopped, 0 zombie
> >> %Cpu(s): 58.3 us, 1.9 sy, 38.9 ni, 0.4 id, 0.0 wa, 0.0 hi, 0.5 si,
> >> 0.0 st
> >> KiB Mem : 16423264 total, 11093572 free, 4733008 used, 596684
> buff/cache
> >> KiB Swap: 999420 total, 999420 free, 0 used. 11328952 avail
> Mem
> >>
> >> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
> COMMAND
> >> 5025 root 20 0 3598168 229808 33836 R 126.4 1.4 0:08.70
> ffmpeg
> >> 4613 root 20 0 3598308 231520 33964 R 119.5 1.4 0:10.89
> ffmpeg
> >> 5231 root 20 0 3598536 223284 33920 R 117.2 1.4 0:05.79
> ffmpeg
> >> 5460 root 20 0 2541288 207180 33596 R 115.8 1.3 0:06.18
> ffmpeg
> >> 4446 root 20 0 3471104 292120 33896 R 110.2 1.8 0:20.06
> ffmpeg
> >> 5563 root 20 0 2545748 206224 33140 R 103.3 1.3 0:03.52
> ffmpeg
> >> 4476 root 20 0 3643392 324660 33932 S 82.5 2.0 0:14.31
> ffmpeg
> >> 4482 root 20 0 3650476 301012 34032 R 78.9 1.8 0:14.06
> ffmpeg
> >> 4504 root 20 0 3598264 231616 33868 S 75.2 1.4 0:11.53
> ffmpeg
> >> 4458 root 20 0 3649952 297736 33896 R 74.9 1.8 0:17.60
> ffmpeg
> >> 4452 root 20 0 3473868 296656 33928 S 73.3 1.8 0:15.71
> ffmpeg
> >> 4819 root 20 0 3598336 220988 34028 S 64.4 1.3 0:07.31
> ffmpeg
> >> 4510 root 20 0 3597992 222540 34152 S 64.0 1.4 0:09.64
> ffmpeg
> >> 4490 root 20 0 3649456 290672 33732 R 63.4 1.8 0:13.47
> ffmpeg
> >> 4922 root 20 0 3598496 228344 33796 S 63.4 1.4 0:05.26
> ffmpeg
> >> 4470 root 20 0 3639348 317708 33688 R 63.0 1.9 0:14.01
> ffmpeg
> >> 4464 root 20 0 3639132 316420 34032 R 61.4 1.9 0:12.07
> ffmpeg
> >> 4498 root 20 0 3597804 222796 34088 S 58.1 1.4 0:11.54
> ffmpeg
> >> 5128 root 20 0 3598156 217808 33676 S 50.2 1.3 0:03.97
> ffmpeg
> >> 4716 root 20 0 1952556 129808 34060 S 19.8 0.8 0:03.28
> ffmpeg
> >> 94 root 20 0 0 0 0 S 0.3 0.0 0:00.08
> >> ksoftirqd/14
> >> 171 root 20 0 0 0 0 I 0.3 0.0 0:00.28
> >> kworker/1:1
> >> 173 root 20 0 0 0 0 I 0.3 0.0 0:00.22
> >> kworker/5:1
> >> 176 root 20 0 0 0 0 I 0.3 0.0 0:00.45
> >> kworker/8:1
> >> 178 root 20 0 0 0 0 I 0.3 0.0 0:00.51
> >> kworker/10:1
> >> 897 root 20 0 0 0 0 I 0.3 0.0 0:00.27
> >> kworker/3:2
> >> 1045 root 20 0 0 0 0 I 0.3 0.0 0:00.37
> >> kworker/12:2
> >> 1461 www-data 20 0 360740 4080 2580 S 0.3 0.0 0:00.51
> apache2
> >> 1462 www-data 20 0 360740 4080 2580 S 0.3 0.0 0:00.51
> apache2
> >> 1 root 20 0 185216 5876 4044 S 0.0 0.0 0:01.49
> systemd
> >> 2 root 20 0 0 0 0 S 0.0 0.0 0:00.00
> >> kthreadd
> >> 3 root 20 0 0 0 0 I 0.0 0.0 0:00.01
> >> kworker/0:0
> >>
> >>
> ===========================================================================
> >>
> >> But am facing memory consumption issue within 2 hours all RAM memories
> are
> >> full and streams are jerking to play.
> >>
> >> What is the solution for this problem. Is hardware is enough to play 20
> >> streamers.
> >>
> >> Am using below commands for streaming services
> >>
> >>
> >> =================================================================
> >> # Stream 1
> >> STREAM_NAME=stream1
> >> STREAM_PID_PATH=/tmp/$STREAM_NAME-pid
> >> INPUT_URL=udp://224.1.1.1:1100
> >> CH_NAME=mv_movies_hd
> >>
> >>
> >>
> >> ffmpeg -i "$INPUT_URL?overrun_nonfatal=1&fifo_size=5000000" \
> >> -filter_complex
> >>
> >>
> "[v:0]split=2[vtemp001][vtemp002];[vtemp001]scale=w=640:h=360[vout001],[vtemp002]scale=w=854:h=480[vout002]"
> >> \
> >> -map [vout001] -c:v:0 mpeg2video -b:v:0 600k -maxrate:v:0 900k
> >> -bufsize:v:0 1200k \
> >> -map [vout002] -c:v:1 mpeg2video -b:v:1 1000k -maxrate:v:1 1500k
> >> -bufsize:v:1 2000k \
> >> -map a:0 -map a:0 -c:a aac -b:a 128k -ac 2 \
> >> -f hls -hls_time 2 -hls_list_size 4 \
> >> -hls_wrap 40 -hls_allow_cache 0 \
> >> -hls_delete_threshold 1 \
> >> -hls_flags delete_segments \
> >> -hls_start_number_source datetime \
> >> -start_number 10 \
> >> -hls_playlist_type event -master_pl_name $CH_NAME.mpeg \
> >> -hls_segment_filename stream_%v/data%06d.ts \
> >> -use_localtime_mkdir 1 \
> >> -var_stream_map "v:0,a:0 v:1,a:1" -crf 22 stream_%v.mpeg
> >> =============================================================
> >
> > Look at the previous responses to the same query earlier on.
> >
> > 16 GB isn't even enough for the workload you're hitting.
>
> I'm a newbie, but what you write doesn't seem right to me, Dennis. If
> karthik is running for 2 hours before the problem shows up, it seems
> likely to me that there may be a stale-buffer issue.
>
> ...just my 2 cents.
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