Bitmovin encoding distorts colors on HDR video

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1

After encoding, video recorded on iPhone 13 Pro with HDR enabled has very different colors in the resulting video. Screenshots of original video (left) and after encoding (right):

Screen Shot 2022-03-21 at 8.04.53 PM
Screen Shot 2022-03-21 at 8.04.53 PM1920×1493 302 KB

Here’s configuration part for encoding:

new H264VideoConfiguration({
    name: `H.264 720p`,
    presetConfiguration: PresetConfiguration.VOD_STANDARD,
    height,
    bitrate,
});

Muxing:

new Fmp4Muxing({
    segmentLength: 4.0,
    outputs: [buildEncodingOutput(output, outputPath)],
    streams: [new MuxingStream({ streamId: stream.id })],
});

Thanks!

2

Thanks for reaching out @sulyashev !
It seems like you haven’t added a HDR configuration to your codec configuration.

Please feel free to check out our documentation as well as the following article for further information and configuration examples.

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3

In addition, our newly published SDK example on using HDR (and if necessary convert it to SDR) should provide some useful pointers:

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