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• FFmpeg - record from stream terminating unexpectedly using kokorin/Jaffree ffmpeg wrapper for Java

  18 avril 2024, par pyrmon

  I am programming a Spring Boot Application using Maven and Java 21. I am trying to record a stream from a url and save it to a mkv file. I intend to do this with kokorin/Jaffree in version 2023.09.10. The recording seems to work ok, however longer videos are terminating unexpectedly. Sometimes after 5 minutes, other times an hour or even longer. Sometimes with Exit Code 0 and sometimes with 1.

  


  I have implemented the recording like this :

  


  @Override
    public void startRecording(RecordingSchedule recordingSchedule) {
        logger.info("Starting recording for schedule with filename {}", recordingSchedule.getFileName());

        String m3uUrl = recordingSchedule.getM3uUrl();
        LocalDateTime endTime = timeUtils.parseStringToLocalDateTime(recordingSchedule.getEndTime());
        LocalDateTime stopTime = endTime.plusSeconds(20);
        String timeToRecord = timeUtils.calculateTimeToRecord(stopTime);
        Path outputPath = Paths.get("/recordings/" + recordingSchedule.getFileName());

        try {
            FFmpeg.atPath()
                  .addInput(UrlInput.fromUrl(m3uUrl))
                  .addArgument("-xerror")
                  .addArguments("-reconnect", "5")
                  .addArguments("-reconnect_streamed", "5")
                  .addArguments("-reconnect_delay_max", "20")
                  .addArguments("-t", timeToRecord)
                  .addArguments("-c", "copy")
                  .addOutput(
                      UrlOutput.toPath(outputPath))
                  .setLogLevel(LogLevel.WARNING)
                  .execute();
            logger.info("Recording complete. Output file: {}", outputPath.toAbsolutePath());
        } catch (Exception e) {
            logger.error("Error recording M3U stream {}: {}", recordingSchedule.getFileName(), e.getMessage());
        }
    }


  


  And I am calling the method like this :
executorConfig.executorService().submit(() -> ffmpegService.startRecording(recording));

  


  Any ideas what I am doing wrong ?
Here are the log lines at the beginning and end of recording of the past two attempts :

  


  2024-04-18T00:54:48.689+02:00  INFO 1 --- [pool-2-thread-1] m.s.r.service.impl.FfmpegServiceImpl     : Starting recording for schedule with filename Example1.mkv
2024-04-18T00:54:48.697+02:00  WARN 1 --- [pool-2-thread-1] c.github.kokorin.jaffree.ffmpeg.FFmpeg   : ProgressListener isn't set, progress won't be reported
2024-04-18T00:54:48.698+02:00  INFO 1 --- [pool-2-thread-1] c.g.k.jaffree.process.ProcessHandler     : Command constructed:
ffmpeg -loglevel level+warning -i http://example.stream.url.com -n -xerror -reconnect 5 -reconnect_streamed 5 -reconnect_delay_max 20 -t 10771 -c copy /recordings/Example1.mkv
2024-04-18T00:54:48.698+02:00  INFO 1 --- [pool-2-thread-1] c.g.k.jaffree.process.ProcessHandler     : Starting process: ffmpeg
2024-04-18T00:54:48.701+02:00  INFO 1 --- [pool-2-thread-1] c.g.k.jaffree.process.ProcessHandler     : Waiting for process to finish
2024-04-18T01:31:02.633+02:00  WARN 1 --- [         StdErr] c.g.k.jaffree.process.BaseStdReader      : [h264 @ 0x559cd22dd940] [warning] Increasing reorder buffer to 2
2024-04-18T01:31:02.633+02:00  INFO 1 --- [pool-2-thread-1] c.g.k.jaffree.process.ProcessHandler     : Process has finished with status: 0
2024-04-18T01:31:02.734+02:00  INFO 1 --- [pool-2-thread-1] m.s.r.service.impl.FfmpegServiceImpl     : Recording complete. Output file: /recordings/Example1.mkv

2024-04-18T03:54:48.678+02:00  INFO 1 --- [pool-2-thread-2] m.s.r.service.impl.FfmpegServiceImpl     : Starting recording for schedule with filename Example2.mkv
2024-04-18T03:54:48.678+02:00  WARN 1 --- [pool-2-thread-2] c.github.kokorin.jaffree.ffmpeg.FFmpeg   : ProgressListener isn't set, progress won't be reported
2024-04-18T03:54:48.678+02:00  INFO 1 --- [pool-2-thread-2] c.g.k.jaffree.process.ProcessHandler     : Command constructed:
ffmpeg -loglevel level+warning -i http://example.stream.url.com/ -n -xerror -reconnect 5 -reconnect_streamed 5 -reconnect_delay_max 20 -t 11431 -c copy /recordings/Example2.mkv
2024-04-18T03:54:48.678+02:00  INFO 1 --- [pool-2-thread-2] c.g.k.jaffree.process.ProcessHandler     : Starting process: ffmpeg
2024-04-18T03:54:48.679+02:00  INFO 1 --- [pool-2-thread-2] c.g.k.jaffree.process.ProcessHandler     : Waiting for process to finish
2024-04-18T04:57:22.256+02:00  WARN 1 --- [         StdErr] c.g.k.jaffree.process.BaseStdReader      : [h264 @ 0x55707ba988c0] [warning] Increasing reorder buffer to 3
2024-04-18T04:58:47.455+02:00 ERROR 1 --- [         StdErr] c.g.k.jaffree.process.BaseStdReader      : [NULL @ 0x55707ba988c0] [error] Picture timing SEI payload too large
2024-04-18T04:58:47.456+02:00 ERROR 1 --- [         StdErr] c.g.k.jaffree.process.BaseStdReader      : [NULL @ 0x55707ba988c0] [error] non-existing PPS 1 referenced
2024-04-18T04:58:47.456+02:00  WARN 1 --- [         StdErr] c.g.k.jaffree.process.BaseStdReader      : [matroska @ 0x55707ba9a380] [warning] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
2024-04-18T04:58:47.456+02:00 ERROR 1 --- [         StdErr] c.g.k.jaffree.process.BaseStdReader      : [matroska @ 0x55707ba9a380] [error] Can't write packet with unknown timestamp
2024-04-18T04:58:47.463+02:00 ERROR 1 --- [         StdErr] c.g.k.jaffree.process.BaseStdReader      : [error] av_interleaved_write_frame(): Invalid argument
2024-04-18T04:58:47.463+02:00  INFO 1 --- [pool-2-thread-2] c.g.k.jaffree.process.ProcessHandler     : Process has finished with status: 1
2024-04-18T04:58:47.564+02:00 ERROR 1 --- [pool-2-thread-2] m.s.r.service.impl.FfmpegServiceImpl     : Error recording M3U stream Example2.mkv: Process execution has ended with non-zero status: 1. Check logs for detailed error message.


  


  They were supposed to run nearly 3 hours and the other one over 3 hours. And with the timestamps you can see that they are not running nearly as long.
Thank you for your help !

  


• Ffmpeg RTSP stream with size=N/A bitrate=N/A [closed]

  6 octobre 2024, par Comycos

  When I try to stream a video it seems to work but bitrate and size are N/A frame=  277 fps= 26 q=-1.0 size=N/A time=00:00:11.07 bitrate=N/A speed=1.05x

  


  I run the following command to stream a video to a RTSP server :
ffmpeg -re -stream_loop -1 -i idurre-2024-09-17-12h33m19s.mp4 -c copy -f rtsp -rtsp_transport tcp rtsp://localhost:8554/test

  


  The output ffmpeg is like this :

  


  ffmpeg version 7.1 Copyright (c) 2000-2024 the FFmpeg developers
  built with Apple clang version 15.0.0 (clang-1500.1.0.2.5)
  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/7.1 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags='-Wl,-ld_classic' --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-libharfbuzz --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox --enable-audiotoolbox --enable-neon
  libavutil      59. 39.100 / 59. 39.100
  libavcodec     61. 19.100 / 61. 19.100
  libavformat    61.  7.100 / 61.  7.100
  libavdevice    61.  3.100 / 61.  3.100
  libavfilter    10.  4.100 / 10.  4.100
  libswscale      8.  3.100 /  8.  3.100
  libswresample   5.  3.100 /  5.  3.100
  libpostproc    58.  3.100 / 58.  3.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x127704880] st: 0 edit list: 1 Missing key frame while searching for timestamp: 0
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x127704880] st: 0 edit list 1 Cannot find an index entry before timestamp: 0.
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'idurre-2024-09-17-12h33m19s.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 0
    compatible_brands: mp41avc1
    creation_time   : 2024-09-17T10:34:16.000000Z
    encoder         : vlc 3.0.21 stream output
    encoder-eng     : vlc 3.0.21 stream output
  Duration: 00:00:55.68, start: 0.000000, bitrate: 16205 kb/s
  Stream #0:0[0x1](eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, bt709, progressive), 1920x1080, 16203 kb/s, 25 fps, 25 tbr, 1000k tbn (default)
      Metadata:
        creation_time   : 2024-09-17T10:34:16.000000Z
        handler_name    : VideoHandler
        vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Output #0, rtsp, to 'rtsp://localhost:8554/test':
  Metadata:
    major_brand     : isom
    minor_version   : 0
    compatible_brands: mp41avc1
    encoder         : Lavf61.7.100
  Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, bt709, progressive), 1920x1080, q=2-31, 16203 kb/s, 25 fps, 25 tbr, 90k tbn (default)
      Metadata:
        creation_time   : 2024-09-17T10:34:16.000000Z
        handler_name    : VideoHandler
        vendor_id       : [0][0][0][0]
Press [q] to stop, [?] for help
frame=  516 fps= 26 q=-1.0 size=N/A time=00:00:20.63 bitrate=N/A speed=1.03x    

[q] command received. Exiting.

[out#0/rtsp @ 0x6000008e0240] video:40672KiB audio:0KiB subtitle:0KiB other streams:0KiB global headers:0KiB muxing overhead: unknown
frame=  528 fps= 26 q=-1.0 Lsize=N/A time=00:00:21.11 bitrate=N/A speed=1.02x    


  


  The server I'm streaming to is a MediaMTX which is supposed to receive the stream. It seems to be connected as it logs it :

  


  mediamtx-rtsp  | 2024/10/06 10:35:13 INF MediaMTX v1.9.0
mediamtx-rtsp  | 2024/10/06 10:35:13 INF configuration loaded from /mediamtx.yml
mediamtx-rtsp  | 2024/10/06 10:35:13 INF [RTSP] listener opened on :8554 (TCP), :8000 (UDP/RTP), :8001 (UDP/RTCP)
mediamtx-rtsp  | 2024/10/06 10:35:13 INF [SRT] listener opened on :8890 (UDP)
mediamtx-rtsp  | 2024/10/06 10:35:16 INF [RTSP] [conn 192.168.65.1:17069] opened
mediamtx-rtsp  | 2024/10/06 10:35:16 INF [RTSP] [session b3bb2623] created by 192.168.65.1:17069
mediamtx-rtsp  | 2024/10/06 10:35:16 INF [RTSP] [session b3bb2623] is publishing to path 'test', 1 track (H264)


  


  But when I try to read it with ffplay nothing is showing...

  


• Lambda/ffmpeg timelapse generation - output zero bytes, can't debug ffmpeg

  25 août 2021, par GoOutside

  I am attempting to use an AWS Lambda FFMPEG layer to build a timelapse of static images in an S3 bucket. To begin, I am basing my project off of the tutorial located here.

  


  I can replicate the steps in the tutorial, so I know the FFMPEG layer is working in Lambda. I have replicated the FFMPEG commands on a standalone server, so I know they are correct.

  


  Here is my setup : I have two S3 buckets, lambda-source-bucket and lambda-destination-bucket. The contents of lambda-source-bucket are :

  


  1.jpg
2.jpg
3.jpg
4.jpg
5.jpg
6.jpg
7.jpg
files.txt


  


  The files.txt contains this :

  


  file 'https://lambda-source-bucket.s3.us-west-2.amazonaws.com/1.jpg'
file 'https://lambda-source-bucket.s3.us-west-2.amazonaws.com/2.jpg'
file 'https://lambda-source-bucket.s3.us-west-2.amazonaws.com/3.jpg'
file 'https://lambda-source-bucket.s3.us-west-2.amazonaws.com/4.jpg'
file 'https://lambda-source-bucket.s3.us-west-2.amazonaws.com/5.jpg'
file 'https://lambda-source-bucket.s3.us-west-2.amazonaws.com/6.jpg'
file 'https://lambda-source-bucket.s3.us-west-2.amazonaws.com/7.jpg'


  


  This is my Lambda function code (in Python) :

  


  import json
import os
import subprocess
import shlex
import boto3

S3_DESTINATION_BUCKET = "lambda-destination-bucket"
SIGNED_URL_TIMEOUT = 60

def lambda_handler(event, context):

    s3_source_bucket = event['Records'][0]['s3']['bucket']['name']
    s3_source_key = event['Records'][0]['s3']['object']['key']

    s3_source_basename = os.path.splitext(os.path.basename(s3_source_key))[0]
    s3_destination_filename = "timelapse.mp4"

    s3_client = boto3.client('s3')
    s3_source_signed_url = s3_client.generate_presigned_url('get_object',
        Params={'Bucket': s3_source_bucket, 'Key': s3_source_key},
        ExpiresIn=SIGNED_URL_TIMEOUT)

    ffmpeg_cmd = "/opt/bin/ffmpeg -y -r 24 -f concat -safe 0 -protocol_whitelist file,http,tcp,https,tls -I ""https://lambda-source-bucket.s3.us-west-2.amazonaws.com/files.txt"" -c copy -s 1024x576 -vcodec libx264 -"    
command1 = shlex.split(ffmpeg_cmd)
    p1 = subprocess.run(command1, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

    resp = s3_client.put_object(Body=p1.stdout, Bucket=S3_DESTINATION_BUCKET, Key=s3_destination_filename)

    return {
        'statusCode': 200,
        'body': json.dumps('Processing complete successfully')
    }


  


  The trigger for the Lambda function is when a new files.txt file is added to lambda-source-bucket.

  


  So far I have been able to get the trigger to fire, the function supposedly runs without errors (in Cloudwatch), and the function creates a new timelapse.mp4 in the lambda-destination-bucket. But this file is 0 bytes. I see no FFMPEG errors in the Cloudwatch console, though I am not sure I know how to configure my Lambda function code to log FFMPEG errors.

  


  Also : if I'm going about this in a totally wrong way, I'd love to hear feedback. I'm guessing that the concat and files.txt method of looping through https:// is not the most efficient way to do this, but it's the only way I can figure this out so far.

  


  Any help is most sincerely and humbly appreciated.