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Thread: Issue with "Record all incoming streams" option

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  1. #1
    Join Date
    Feb 2015
    Posts
    2

    Default Issue with "Record all incoming streams" option

    I'm currently using the "Record all incoming streams" option that is avaible for our live application. It works pretty well by generating a mp4 file that's got the name of the stream. I've got an issue with this mp4 file though... When I try to read it with vlc, the player reports the file length as 493h+ although it should only be a few minutes. When I ffmpeg -i this file, I've got:

    Seems stream 0 codec frame rate differs from container frame rate: 60.00 (60/1) -> 1000.00 (1000/1)
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'monarch.mp4':
      Metadata:
        major_brand     : f4v
        minor_version   : 0
        compatible_brands: isommp42m4v
        creation_time   : 2015-02-27 11:09:50
      Duration: 493:58:17.07, start: 0.000000, bitrate: N/A
        Stream #0.0(eng): Video: h264 (Main), yuv420p, 640x360 [PAR 1:1 DAR 16:9], -0.01 fps, 1k tbr, 90k tbn, 60 tbc
        Metadata:
          creation_time   : 2015-02-27 11:09:50
        Stream #0.1(eng): Audio: mp3, 22050 Hz, mono, s16, 0 kb/s
        Metadata:
          creation_time   : 2015-02-27 11:09:50
        Stream #0.2(eng): Data: amf0 / 0x30666D61
        Metadata:
          creation_time   : 2015-02-27 11:09:50
    At least one output file must be specified
    Any idea why this file is corrupted? Cheers!

  2. #2
    Join Date
    Feb 2015
    Posts
    2

    Default

    mediainfo of the file:

    General
    Complete name                            : monarch.mp4
    Format                                   : MPEG-4
    Format profile                           : Adobe Flash
    Codec ID                                 : f4v
    File size                                : 118 KiB
    Duration                                 : 493h 58mn
    Overall bit rate mode                    : Constant
    Overall bit rate                         : 0
    Encoded date                             : UTC 2015-02-27 11:09:50
    Tagged date                              : UTC 2015-02-27 11:09:50
    
    Video
    ID                                       : 1
    Format                                   : AVC
    Format/Info                              : Advanced Video Codec
    Format profile                           : Main@L3.1
    Format settings, CABAC                   : Yes
    Format settings, ReFrames                : 3 frames
    Codec ID                                 : avc1
    Codec ID/Info                            : Advanced Video Coding
    Duration                                 : 484h 42mn
    Bit rate mode                            : Constant
    Bit rate                                 : 0
    Nominal bit rate                         : 50.0 Kbps
    Width                                    : 640 pixels
    Height                                   : 360 pixels
    Display aspect ratio                     : 16:9
    Frame rate mode                          : Variable
    Frame rate                               : 0.000 fps
    Original frame rate                      : 30.000 fps
    Minimum frame rate                       : 0.000 fps
    Maximum frame rate                       : 30.303 fps
    Standard                                 : NTSC
    Color space                              : YUV
    Chroma subsampling                       : 4:2:0
    Bit depth                                : 8 bits
    Scan type                                : Progressive
    Bits/(Pixel*Frame)                       : 0.007
    Stream size                              : 55.4 KiB (47%)
    Title                                    : WowzaStreamingEngine
    Language                                 : English
    Encoded date                             : UTC 2015-02-27 11:09:50
    Tagged date                              : UTC 2015-02-27 11:09:50
    Material_Duration                        : 26949560
    Material_StreamSize                      : 56688
    Material_FrameCount                      : 261
    
    Audio
    ID                                       : 2
    Format                                   : MPEG Audio
    Format version                           : Version 2
    Format profile                           : Layer 3
    Codec ID                                 : .mp3
    Duration                                 : 493h 58mn
    Bit rate mode                            : Constant
    Bit rate                                 : 48.0 Kbps
    Channel(s)                               : 1 channel
    Sampling rate                            : 22.05 KHz
    Compression mode                         : Lossy
    Stream size                              : 53.3 KiB (45%)
    Title                                    : WowzaStreamingEngine
    Language                                 : English
    Encoded date                             : UTC 2015-02-27 11:09:50
    Tagged date                              : UTC 2015-02-27 11:09:50
    Material_Duration                        : 12588310
    Material_StreamSize                      : 54600

  3. #3
    Join Date
    Jun 2012
    Posts
    722

    Default

    Hi,

    It does look like this recording got corrupted.
    I suspect that the MOOV atom was not written to the file correctly. As the MOOV atom is added at the end of the recording, it is possible that something happened to the recording process so it failed and the MOOV atom wasn't properly written.

    You can try using FFMPEG and re-encode the file to create the moov atom. Perhaps this might work:
    ffmpeg -i input.mp4 -c:v copy -c:a copy output.mp4
    Zoran

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