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• Converting a rtsp stream to hls but got error "Non-monotonous DTS in output stream 0:0"

  8 mai 2023, par Devi

  I'm converting a rtsp live camera stream to hls using ffmpeg, it is all good the first few hours, each segment file sizes around 1.1M, which match the setting of segment_time of 5 seconds. However, when I check back a few days later, the size of each segment file became 20G, and I found that some error are logged.

  


  My current implementation is like this :

  


  ffmpeg -fflags nobuffer \
           -rtsp_transport tcp \
           -i rtsp://abc.com/live.sdp \
           -fps_mode 0 \
           -copyts \
           -c copy \
           -movflags frag_keyframe+empty_moov \
           -hls_flags delete_segments+append_list \
           -f segment \
           -segment_list_flags live \
           -segment_time 5 \
           -segment_list_size 3 \
           -segment_format mpegts \
           -segment_list /app/mount/test/live.m3u8 \
           -segment_list_type m3u8 \
           -segment_wrap 10 \
           /app/mount/test/%04d.ts \
           2>&1 


  


  Here's the logged error :

  


  [segment @ 0x7fe5123101c0] Non-monotonous DTS in output stream 0:0; previous: 14179898636, current: 11332822107; changing to 14179898637. This may result in incorrect timestamps in the output file.
[segment @ 0x7fe5123101c0] stream:0 start_pts_time:157550 pts:14179898637 pts_time:157554 dts:14179898637 dts_time:157554 -> pts:14179898637 pts_time:157554 dts:14179898637 dts_time:157554
[NULL @ 0x7fe510744880] unknown SEI type 229
[segment @ 0x7fe5123101c0] Non-monotonous DTS in output stream 0:0; previous: 14179898637, current: 11332823907; changing to 14179898638. This may result in incorrect timestamps in the output file.
[segment @ 0x7fe5123101c0] stream:0 start_pts_time:157550 pts:14179898638 pts_time:157554 dts:14179898638 dts_time:157554 -> pts:14179898638 pts_time:157554 dts:14179898638 dts_time:157554
[segment @ 0x7fe5123101c0] Non-monotonous DTS in output stream 0:0; previous: 14179898638, current: 11332825707; changing to 14179898639. This may result in incorrect timestamps in the output file.
[segment @ 0x7fe5123101c0] stream:0 start_pts_time:157550 pts:14179898639 pts_time:157554 dts:14179898639 dts_time:157554 -> pts:14179898639 pts_time:157554 dts:14179898639 dts_time:157554


  


  I've tried :

  


  

  1. Changing the option -fps_mode with passthrough, vfr, drop.

  


  2. Changing the option -c with -c copy, -c:a copy -c:v libx264.

  


  


  None of the above works for me.

  


• Calling ffmpeg from Java calling command line/ shell script throws "Trailing garbage after a filter" Error

  28 juin 2023, par coenni

  Calling ffmpeg from Java throws "Trailing garbage after a filter" Error

  


  I tried to call from Java application command string over dockerized ffmpeg, same result.

  


  docker run --rm  -v sample-test:/config linuxserver/ffmpeg  -loop 1 -t 5 -i  config/1.jpeg  -loop 1 -t 5 -i  config/3.jpeg  -y -filter_complex "[0:v]fade=t=out:st=4:d=1[v0];  [1:v]fade=t=in:st=0:d=1,fade=t=out:st=4:d=1[v1];  [v0][v1]concat=n=2:v=1:a=0,format=yuv420p[v];" -map "[v]"  config/output/video_java.mp4


  


  My goal is to run such a query from Java application

  


  ffmpeg \
-loop 1 -t 5 -i input0.png \
-loop 1 -t 5 -i input1.png \
-loop 1 -t 5 -i input2.png \
-loop 1 -t 5 -i input3.png \
-loop 1 -t 5 -i input4.png \
-filter_complex \
"[0:v]scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=out:st=4:d=1[v0]; \
 [1:v]scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=4:d=1[v1]; \
 [2:v]scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=4:d=1[v2]; \
 [3:v]scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=4:d=1[v3]; \
 [4:v]scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=4:d=1[v4]; \
 [v0][v1][v2][v3][v4]concat=n=5:v=1:a=0,format=yuv420p[v]" -map "[v]" out.mp4


Runtime.getRuntime().exec(String.format("/bin/sh -c " + ffmpegCommand));


  


  Why it happens and how to solve ? Appreciating

  


• ffmpeg generates "unconnected output" error using -filte_complext [closed]

  25 juillet 2023, par ConiferRod

  I'm trying to combine the rtsp streams of 4 Wyze cameras into a single stream and pipe the result into ffplay (Windows 11). My -filter_complex generates an 'unconnected output' error.

  


  The command :
"C :\Program Files\ffmpeg\ffmpeg.exe" ^
-i rtsp ://user:password@10.0.0.239/live ^
-i rtsp ://user:password@10.0.0.181/live ^
-i rtsp ://user:password@10.0.0.251/live ^
-i rtsp ://user:password@10.0.0.252/live ^
-filter_complex "[0:v][1:v][2:v][3:v]xstack=inputs=4:layout=0_0|w0_0|0_h0|w0_h0[v]" -map '[v]' ^
| "C :\Program Files\ffmpeg\ffplay.exe" -

  


  The error :
[fc#0 @ 000001f45c979d40] Filter xstack:default has an unconnected output
Error : Invalid argument
fd: : Invalid data found when processing input 0KB sq= 0B f=0/0