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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 !

  


• Thumbnail generation using golang+ffmpeg

  23 avril 2024, par godvlpr

  I try to generate thumbnail from video mp4 using Golang+ffmpeg.

  


  Let me provide some steps :

  


  

  1. Tried to generate using terminal ffmpeg -i test.mp4 -ss 00:00:00 -vframes 1 thumbnail.jpg - all works successfully

  


  2. Tried to generate from golang and put result into stdout   cmd := exec.Command("ffmpeg", "-i", "test.mp4", "-ss", "00:00:00", "-vframes", "1", "-f", "image2pipe", "-") - all works successfully

  


  3. Trying to open video using os.ReadFile and bytes.NewReader and after that -   cmd := exec.Command("ffmpeg", "-i", "pipe:", "-ss", "00:00:00", "-vframes", "1", "-f", "image2pipe", "-") And in this step I have an error.
Below provided all code and na error

  


  


      r, err := os.ReadFile("test.mp4")
    if err != nil {
        log.Fatalf("Failed to read video file: %v", err)
    }
    
    videoBuffer := bytes.NewReader(r)

    cmd := exec.Command("ffmpeg", "-i", "pipe:", "-ss", "00:00:00", "-vframes", "1", "-f", "image2pipe", "-")

    cmd.Stdin = videoBuffer

    // Capture output as bytes
    var out bytes.Buffer
    cmd.Stdout = &out

    var stderr bytes.Buffer
    cmd.Stderr = &stderr

    // Run the command
    err = cmd.Run()
    if err != nil {
        log.Fatalf("ffmpeg command failed: %v, stderr: %s", err, stderr.String())
    }

    // Convert bytes to image.Image
    img, _, err := image.Decode(&out)
    if err != nil {
        log.Fatalf("Failed to decode thumbnail: %v", err)
    }


  


  Error

  


  2024/04/23 13:25:51 ffmpeg command failed: exit status 183, stderr: ffmpeg version 7.0 Copyright (c) 2000-2024 the FFmpeg developers
  built with Apple clang version 15.0.0 (clang-1500.3.9.4)
  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/7.0 --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-libopenvino --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox --enable-audiotoolbox --enable-neon
  libavutil      59.  8.100 / 59.  8.100
  libavcodec     61.  3.100 / 61.  3.100
  libavformat    61.  1.100 / 61.  1.100
  libavdevice    61.  1.100 / 61.  1.100
  libavfilter    10.  1.100 / 10.  1.100
  libswscale      8.  1.100 /  8.  1.100
  libswresample   5.  1.100 /  5.  1.100
  libpostproc    58.  1.100 / 58.  1.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x136504080] stream 0, offset 0x30: partial file
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x136504080] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none, 1920x1080, 3496 kb/s): unspecified pixel format
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'pipe:':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.26.100
  Duration: 00:00:02.01, start: 0.000000, bitrate: N/A
  Stream #0:0[0x1](und): Video: h264 (avc1 / 0x31637661), none, 1920x1080, 3496 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
      Metadata:
        handler_name    : VideoHandler
        vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 96 kb/s (default)
      Metadata:
        handler_name    : SoundHandler
        vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native))
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x136504080] stream 0, offset 0x30: partial file
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 0x600001134000] Error during demuxing: Invalid data found when processing input
Cannot determine format of input 0:0 after EOF
[vf#0:0 @ 0x600001f2c000] Task finished with error code: -1094995529 (Invalid data found when processing input)
[vf#0:0 @ 0x600001f2c000] Terminating thread with return code -1094995529 (Invalid data found when processing input)
[vost#0:0/mjpeg @ 0x104a04650] Could not open encoder before EOF
[vost#0:0/mjpeg @ 0x104a04650] Task finished with error code: -22 (Invalid argument)
[vost#0:0/mjpeg @ 0x104a04650] Terminating thread with return code -22 (Invalid argument)
[out#0/image2pipe @ 0x60000182c000] Nothing was written into output file, because at least one of its streams received no packets.
frame=    0 fps=0.0 q=0.0 Lsize=       0KiB time=N/A bitrate=N/A speed=N/A    
Conversion failed!


  


  Also tried to do something like this cmd := exec.Command("ffmpeg", "-analyzeduration", "10000M", "-probesize", "10000M", "-i", "pipe:", "-ss", "00:00:00", "-vframes", "1", "-f", "image2pipe", "-") - and had the same error (almost the same).

  


  How to fix code or ffmpeg command - to bring this code workable ?

  


• Generation thumbnail from video using ffmpeg [closed]

  23 avril 2024, par godvlpr

  Try to create thumbnail from video using ffmpeg
This command work perfectly :

  


  ffmpeg -i test.mp4 -ss 00:00:00 -vframes 1 thumbnail.jpg

  


  But I need to push video to ffmpeg from stdin, and find solution with pipe :

  


  cat test.mp4 | ffmpeg -f mp4 -i pipe:0  -ss 00:00:00 -vframes 1 thumbnail.jpg

  


  But it's not work for me. Error :

  


  ffmpeg version 7.0 Copyright (c) 2000-2024 the FFmpeg developers
  built with Apple clang version 15.0.0 (clang-1500.3.9.4)
  configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/7.0 --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-libopenvino --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox --enable-audiotoolbox --enable-neon
  libavutil      59.  8.100 / 59.  8.100
  libavcodec     61.  3.100 / 61.  3.100
  libavformat    61.  1.100 / 61.  1.100
  libavdevice    61.  1.100 / 61.  1.100
  libavfilter    10.  1.100 / 10.  1.100
  libswscale      8.  1.100 /  8.  1.100
  libswresample   5.  1.100 /  5.  1.100
  libpostproc    58.  1.100 / 58.  1.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x14f706460] stream 0, offset 0x30: partial file
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x14f706460] Could not find codec parameters for stream 0 (Video: h264 (avc1 / 0x31637661), none, 1920x1080, 3496 kb/s): unspecified pixel format
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'pipe:0':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.26.100
  Duration: 00:00:02.01, start: 0.000000, bitrate: N/A
  Stream #0:0[0x1](und): Video: h264 (avc1 / 0x31637661), none, 1920x1080, 3496 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
      Metadata:
        handler_name    : VideoHandler
        vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 96 kb/s (default)
      Metadata:
        handler_name    : SoundHandler
        vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> mjpeg (native))
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x14f706460] stream 0, offset 0x30: partial file
[in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 0x600002e2c400] Error during demuxing: Invalid data found when processing input
Cannot determine format of input 0:0 after EOF
[vf#0:0 @ 0x60000202c240] Task finished with error code: -1094995529 (Invalid data found when processing input)
[vf#0:0 @ 0x60000202c240] Terminating thread with return code -1094995529 (Invalid data found when processing input)
[vost#0:0/mjpeg @ 0x14f7080e0] Could not open encoder before EOF
[vost#0:0/mjpeg @ 0x14f7080e0] Task finished with error code: -22 (Invalid argument)
[vost#0:0/mjpeg @ 0x14f7080e0] Terminating thread with return code -22 (Invalid argument)
[out#0/image2 @ 0x60000272c180] Nothing was written into output file, because at least one of its streams received no packets.
frame=    0 fps=0.0 q=0.0 Lsize=       0KiB time=N/A bitrate=N/A speed=N/A    
Conversion failed!


  


  Tried on macos and ubuntu. What can be wrong here and how to fix this issue ? Maybe exists other solutions without pipes, or something else..