Metadata: detect force Subtitles in embedded mp4 and DolbyVision

Is nice to see following features:

  • forced subtitles tracks are not recognised in mp4 files:
    Text #1
    ID : 6
    Format : Timed Text
    Muxing mode : sbtl
    Codec ID : tx3g
    Duration : 1 h 57 min
    Bit rate mode : Variable
    Bit rate : 3 b/s
    Stream size : 2.59 KiB (0%)
    Language : German
    Default : Yes
    Forced : Yes <---------- This entry **********
    Alternate group : 2
    Encoded date : UTC 2018-01-28 08:52:06
    Tagged date : UTC 2018-01-28 08:52:06
    Subtitles For : 1,2

  • dolby vision shown in Info:
    Video
    ID : 33 (0x21)
    Menu ID : 2 (0x2)
    Format : HEVC
    Format/Info : High Efficiency Video Coding
    Format profile : Main 10@L5@Main
    Dolby Vision : 1.0, dvhe.dtr@uhd24, BL+EL+RPU <---------- This entry **********
    Codec ID : 36
    Duration : 1 min 19 s
    Bit rate : 29.6 Mb/s
    Width : 3 840 pixels
    Height : 2 160 pixels
    Display aspect ratio : 16:9
    Frame rate : 23.976 (24000/1001) FPS
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 10 bits
    Bits/(Pixel*Frame) : 0.149
    Stream size : 282 MiB (92%)

Hi Plex Team,

is there no change, that you can detect “Forced Subtitles” ??

Early 2021 clean-up: