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• ffmpeg - Can't stably save rtsp stream to file

  20 août 2022, par André Luís

  I'm trying to save the RTSP stream of this camera to file. However, at some point I'll get the following errors, which will stop the process.

  


  


  video:331639kB audio:5199kB subtitle:0kB other streams:0kB global
headers:0kB muxing overhead : unknown

  


  


  And a bunch of these, before the previous one :

  


  


  Non-monotonous DTS in output stream 0:1 ; previous : 5439375, current :
5439283 ; changing to 5439376. This may result in incorrect timestamps
in the output file.

  


  


  Here is the command I'm running :

  


  ffmpeg "rtsp://192.168.0.100:554/cam/realmonitor?channel=1&subtype=0" -c copy -f segment -segment_time 00:01:00 -reset_timestamps 1 -segment_format mkv -strftime 1 /home/user/.camera/recordings/2022/8/19/%H_%M_%S.mkv


  


  I've tried adding each of these parameters and they all together :

  


  -fflags +autobsf+genpts -y -threads 1 -use_wallclock_as_timestamps 1 -dts_delta_threshold 0 -rtsp_transport tcp -i


  


  ffprobe :

  


  {
    "streams": [
        {
            "index": 0,
            "codec_name": "h264",
            "codec_long_name": "H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10",
            "profile": "Main",
            "codec_type": "video",
            "codec_tag_string": "[0][0][0][0]",
            "codec_tag": "0x0000",
            "width": 1920,
            "height": 1080,
            "coded_width": 1920,
            "coded_height": 1080,
            "closed_captions": 0,
            "film_grain": 0,
            "has_b_frames": 0,
            "pix_fmt": "yuvj420p",
            "level": 40,
            "color_range": "pc",
            "chroma_location": "left",
            "field_order": "progressive",
            "refs": 1,
            "is_avc": "false",
            "nal_length_size": "0",
            "r_frame_rate": "100/1",
            "avg_frame_rate": "0/0",
            "time_base": "1/90000",
            "start_pts": 9000,
            "start_time": "0.100000",
            "bits_per_raw_sample": "8",
            "extradata_size": 27,
            "disposition": {
                "default": 0,
                "dub": 0,
                "original": 0,
                "comment": 0,
                "lyrics": 0,
                "karaoke": 0,
                "forced": 0,
                "hearing_impaired": 0,
                "visual_impaired": 0,
                "clean_effects": 0,
                "attached_pic": 0,
                "timed_thumbnails": 0,
                "captions": 0,
                "descriptions": 0,
                "metadata": 0,
                "dependent": 0,
                "still_image": 0
            }
        },
        {
            "index": 1,
            "codec_name": "aac",
            "codec_long_name": "AAC (Advanced Audio Coding)",
            "profile": "LC",
            "codec_type": "audio",
            "codec_tag_string": "[0][0][0][0]",
            "codec_tag": "0x0000",
            "sample_fmt": "fltp",
            "sample_rate": "16000",
            "channels": 1,
            "channel_layout": "mono",
            "bits_per_sample": 0,
            "r_frame_rate": "0/0",
            "avg_frame_rate": "0/0",
            "time_base": "1/16000",
            "start_pts": 0,
            "start_time": "0.000000",
            "extradata_size": 2,
            "disposition": {
                "default": 0,
                "dub": 0,
                "original": 0,
                "comment": 0,
                "lyrics": 0,
                "karaoke": 0,
                "forced": 0,
                "hearing_impaired": 0,
                "visual_impaired": 0,
                "clean_effects": 0,
                "attached_pic": 0,
                "timed_thumbnails": 0,
                "captions": 0,
                "descriptions": 0,
                "metadata": 0,
                "dependent": 0,
                "still_image": 0
            }
        }
    ]
}


  


  I honestly don't know what else to do.

  


• how to configure ffserver to save the incoming feed in a different file every 30 mins or so

  29 mai 2014, par Muhammad Ali

  I want to have a backlog of my camera video in files of 30 mins duration. What i’ve read so far from the internet about ffserver has allowed me to connect all my cameras to ffserver using ffmpeg and receive the video on another system using VLC or ffplay .

  Now what I want is to store the camera video in a different file preferably named as time-stamp. And keep streaming the live video.

  Once there is a list of 30 mins files. I’d like to have a playlist which can be opened in VLC player of files that have been saved and can be played.

  sort of like a remote media player with video sources coming from ffserver with playlist and 30 mins duration video clips.

• lavr : only save/restore the mixing matrix if mixing is being done

  30 novembre 2012, par Justin Ruggles

  lavr : only save/restore the mixing matrix if mixing is being done