1. King Mustard's Avatar
    Here's an example:



    Let me know if you'd need the original MP4 video file (13.5 MB).

    Here's the file info.:

    Code:
    General
    Format                         : MPEG-4
    Format profile                 : Base Media / Version 2
    Codec ID                       : mp42 (isom/mp42)
    File size                      : 13.5 MiB
    Duration                       : 2 s 762 ms
    Overall bit rate               : 41.1 Mb/s
    com.android.version            : 9
    
    Video
    ID                             : 1
    Format                         : AVC
    Format/Info                    : Advanced Video Codec
    Format profile                 : Baseline@L5.1
    Format settings                : 1 Ref Frames
    Format settings, CABAC         : No
    Format settings, Reference fra : 1 frame
    Codec ID                       : avc1
    Codec ID/Info                  : Advanced Video Coding
    Duration                       : 2 s 762 ms
    Source duration                : 2 s 761 ms
    Bit rate                       : 38.6 Mb/s
    Width                          : 1 280 pixels
    Height                         : 720 pixels
    Display aspect ratio           : 16:9
    Frame rate mode                : Variable
    Frame rate                     : 228.904 FPS
    Minimum frame rate             : 114.213 FPS
    Maximum frame rate             : 236.220 FPS
    Color space                    : YUV
    Chroma subsampling             : 4:2:0
    Bit depth                      : 8 bits
    Scan type                      : Progressive
    Bits/(Pixel*Frame)             : 0.183
    Stream size                    : 12.7 MiB (94%)
    Source stream size             : 12.7 MiB (94%)
    Title                          : VideoHandle
    mdhd_Duration                  : 2762
    Codec configuration box        : avcC
    
    Audio
    ID                             : 2
    Format                         : AAC LC
    Format/Info                    : Advanced Audio Codec Low Complexity
    Codec ID                       : mp4a-40-2
    Duration                       : 2 s 688 ms
    Bit rate mode                  : Constant
    Bit rate                       : 192 kb/s
    Channel(s)                     : 2 channels
    Channel layout                 : L R
    Sampling rate                  : 48.0 kHz
    Frame rate                     : 46.875 FPS (1024 SPF)
    Compression mode               : Lossy
    Stream size                    : 63.3 KiB (0%)
    Title                          : SoundHandle
    09-02-2019 08:07 PM
  2. Rukbat's Avatar
    It says:
    Code:
    Frame rate                     : 228.904 FPS
    Minimum frame rate             : 114.213 FPS
    Maximum frame rate             : 236.220 FPS
    I think it lies. There's probably some encoding in the video that tells the phone to play it back as if it was recorded at that frame rate, but it's really recorded at around 30fps.

    [Edit]
    I just noticed that the audio "frame rate" is 46.875 FPS, and that's probably what's used for video as well. Most 5X slo-mo won't play sound back during slo-mo playback.
    09-03-2019 03:19 PM
  3. King Mustard's Avatar
    It says:
    Code:
    Frame rate                     : 228.904 FPS
    Minimum frame rate             : 114.213 FPS
    Maximum frame rate             : 236.220 FPS
    I think it lies. There's probably some encoding in the video that tells the phone to play it back as if it was recorded at that frame rate, but it's really recorded at around 30fps.

    [Edit]
    I just noticed that the audio "frame rate" is 46.875 FPS, and that's probably what's used for video as well. Most 5X slo-mo won't play sound back during slo-mo playback.
    Any idea how I can play it back at normal rate on a computer?
    10-06-2019 09:11 AM

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