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Autres articles (64)

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    Mediaspip core
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Sur d’autres sites (11770)

  • ffmpeg save video in segments, time does not match

    22 août 2022, par Yohann

    I use ffmpeg to save the rtsp live stream to the local, specify the fragment size of 2 seconds and use the current time to name the video file

    


    But the length of the returned video is not equal to 2 seconds and the interval between file names is not 2 seconds

    


    I have tried several command line arguments

    


    ffmpeg -i rtsp://192.168.18.119/live/test -f segment -strftime 1 -segment_time 2 -segment_atclocktime 1 -reset_timestamps 1 -an -vcodec copy ./%Y-%m-%d-%H.%M.%S.mp4

# execute result
2022-08-22-17.20.16.mp4  duration：00:03
2022-08-22-17.20.17.mp4  duration：00:03
2022-08-22-17.20.18.mp4  duration：00:07
2022-08-22-17.20.19.mp4  duration：00:03
2022-08-22-17.20.20.mp4  duration：00:03
# file names are not time aligned


    


    ffmpeg -i rtsp://192.168.18.119/live/test -f segment -strftime 1 -segment_time 2 -reset_timestamps 1 -an -vcodec copy ./%Y-%m-%d-%H.%M.%S.mp4

# execute result
2022-08-22-17.42.36.mp4 duration：00:03
2022-08-22-17.42.37.mp4 duration：00:03
2022-08-22-17.42.41.mD4 duration：00:03
2022-08-22-17.42.44.mp4 duration：00:03
2022-08-22-17.42.48.mp4 duration：00:03
2022-08-22-17.42.51.mp4 duration：00:03
# file names are not time aligned


    


    Expect to generate video

    


    2022-08-22-17.50.00.mp4 时长：00:02
2022-08-22-17.50.02.mp4 时长：00:02
2022-08-22-17.50.04.mD4 时长：00:02
2022-08-22-17.50.06.mp4 时长：00:02
2022-08-22-17.50.08.mp4 时长：00:02
2022-08-22-17.50.10.mp4 时长：00:02
...


    


  • Revision ea43ba4aee : fixed a bug of context overwritten by key frame recoding The recoding loop save

    15 mars 2012, par Yaowu Xu

    Changed Paths : Modify /vp8/encoder/ratectrl.c fixed a bug of context overwritten by key frame recoding The recoding loop save and restore frame coding context for recodes. However in recoding of key frames, some of the coding context saved was stale from last encoded inter frame. The (...)

  • Revision 6b7ec50812 : fixed a bug of context overwritten by key frame recoding The recoding loop save

    15 mars 2012, par Yaowu Xu

    Changed Paths : Modify /vp8/encoder/ratectrl.c fixed a bug of context overwritten by key frame recoding The recoding loop save and restore frame coding context for recodes. However in recoding of key frames, some of the coding context saved was stale from last encoded inter frame. The (...)

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