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• Streams stop when creating a quad split Multi-viewer using FFMPEG [closed]

  6 avril 2024, par Chris Parker

  Created a FFMPEG script that takes in 4 SRT Live Streams and displays them in a quad split MV. However when I launch this script all 4 SRT streams will play but 3 will pause and 1 will play.

  


  ffmpeg \
-re -hwaccel auto -hwaccel_output_csp videocore \
-stream_loop -1 \
-i "srt://address:5000?streamid=stream-id" \
-stream_loop -1 \
-i "srt://address:5000?streamid=stream-id" \
-stream_loop -1 \
-i "srt://address:5000?streamid=stream-id" \
-stream_loop -1 \
-i "srt://address:5000?streamid=stream-id" \
-filter_complex "\
[0]scale=1920x1080,setdar=16/9[a];\
[1]scale=1920x1080,setdar=16/9[b];\
[2]scale=1920x1080,setdar=16/9[c];\
[3]scale=1920x1080,setdar=16/9[d];\
[a][b][c][d]xstack=inputs=4:layout=0_0|w0_0|0_h0|w0_h0[v]" \
-map "[v]" \
-c:v libx264 -preset veryfast -crf 28 \
-pix_fmt yuv420p -g 48 -bf 2 -refs 4 \
-f mpegts -b:v 10M -maxrate:v 15M -bufsize:v 30M \
-fflags +discardcorrupt -reset_timestamps 1 \
"srt://address:5000?streamid=stream-id"


  


  getting a lot of the below error ;

  


  16:48:49.628704/SRT:RcvQ:w2!W:SRT.qr: @214003038:No room to store incoming packet seqno 649744568, insert offset 7190. Space avail 0/8192 pkts. (TSBPD ready in -12342ms, timespan 6093 ms). GETTIME_MONOTONIC drift 0 ms.


  


  I've tried smaller resolution and adjusting buffer sizes as well as the other flags but I'm not sure what else I can do.

  


• FFmpeg ; combining two multi-channel streams into one

  30 mars 2023, par Christiaan Roselaar

  Hi to all you FFmpeg Guru's.

  


  I'm doing my best to combine two incoming webstreams on my server. One of them containing two (2) mono audio-channels, the other five (5). The objective is to create one stream containing seven (7) channels, to be routed directly to the hardware.

  


  At the two transmission-origins, host_a and host_b, the streams are generated as follows :

  


  host_a : $ ffmpeg -hide_banner -loglevel error -f jack -channels 1 -i Tonmeister_mic1 -f jack -channels 1 -i Tonmeister_mic2 -nostdin -filter_complex "[0:a][1:a]amerge=inputs=2[a]" -map "[a]" -codec:a libopus -b:a 128k -vbr on -packet_loss 10 -fec on -compression_level 10 -frame_duration 20 -application audio -f mpegts udp ://X.X.X.X:yyyy &

  


  host_b : $ ffmpeg -hide_banner -loglevel error -f jack -channels 1 -i Tonmeister_mic1 -f jack -channels 1 -i Tonmeister_mic2 -f jack -channels 1 -i Tonmeister_mic3 -f jack -channels 1 -i Tonmeister_mic4 -f jack -channels 1 -i Tonmeister_mic5 -nostdin -filter_complex "[0:a][1:a][2:a][3:a][4:a]amerge=inputs=5[a]" -map "[a]" -codec:a libopus -b:a 128k -vbr on -packet_loss 10 -fec on -compression_level 10 -frame_duration 20 -application audio -f mpegts udp ://X.X.X.X:zzzz &

  


  The streams do seem to get in allright :

  


  cjr-macbook : CJR$ ffprobe -hide_banner -i udp ://127.0.0.1:yyyy
Input #0, mpegts, from 'udp ://127.0.0.1:yyyy' :
Duration : N/A, start : 4759.783900, bitrate : N/A
Program 1
Metadata :
service_name : Service01
service_provider : FFmpeg
Stream #0:0[0x100] : Audio : opus (Opus / 0x7375704F), 48000 Hz, stereo, fltp

  


  cjr-macbook : CJR$ ffprobe -hide_banner -i udp ://127.0.0.1:zzzz
Input #0, mpegts, from 'udp ://127.0.0.1:zzzz' :
Duration : N/A, start : 4856.559000, bitrate : N/A
Program 1
Metadata :
service_name : Service01
service_provider : FFmpeg
Stream #0:0[0x100] : Audio : opus (Opus / 0x7375704F), 48000 Hz, 5.0, fltp

  


  However, I just cannot figure out how to combine the seven (7) channels present in these two incoming streams into one seven-channel stream.

  


  At the receiving end I tried various commands, amongst others

  


  cjr-macbook : CJR$ ffmpeg -hide_banner -loglevel verbose -i udp ://127.0.0.1:yyyy -i udp ://127.0.0.1:zzzz -filter_complex "[0:a]channelsplit=channel_layout=stereo[b]" ;"[1:a]channelsplit=channel_layout=5.0[c]" ;"[b][c]amerge=inputs=7[d]" -map "[d]" sevenchannels.wav

  


  Any help appreciated !

  


• Need Help PRO ffmpeg Python input multi video type in folder for overlay logo and output to only mp4 with same or random name please

  29 août 2021, par noobherepleasehelpme

  I need help please
I'm new to python and ffmpeg.

  


  Now I use this basic command To use ffmpeg add a logo overlay to the video file.

  


  import ffmpeg
main = ffmpeg.input('1.mkv')
logo = ffmpeg.input('logo.png')
(
    ffmpeg
    .filter([main, logo], 'overlay', 10, 10)
    .output('2.mp4')
    .run(overwrite_output=True)
)



  


  It works very well, I found it on here.
But is it possible to have ffmpeg to input all mp4 or mkv files in a folder ?

  


  or command ffmpeg Find all types of video files in the folder. (if possible)

  


  and insert the logo with filter overlay as usual

  


  and output to the original file name or random name

  


  thanks please help me