Does directstream/remux still work for dolby vision in this case? Just adding profile 8 will cause ffmpeg to tag the video with dvh1 fourcc instead of dvh1 fourcc. If Tizen can handle fallback even in this case then this would be safe enough, otherwise we have to find a way to only add those for direct play, but remove those for remux and direct stream.

Does directstream/remux still work for dolby vision in this case? Just adding profile 8 will cause ffmpeg to tag the video with dvh1 fourcc instead of dvh1 fourcc. If Tizen can handle fallback even in this case then this would be safe enough, otherwise we have to find a way to only add those for direct play, but remove those for remux and direct stream.

Retested with "Stereo only": Direct streaming, playing fine.
Also, remuxed to MKV - also playing fine.

The only thing: on LT27H390 (Tizen 3) the colors are more "yellowish", on UE65NU7400 (Tizen 4) they are "reddish". I was testing P81_GlassBlowing2_1920x1080%4059.94fps_15200kbps_fmp4 sample. "Reddish" are looking better/natural, imo.

🤦‍♂️ LT27H390 (Tizen 3) isn't HDR Ready. This can be fixed on the app side.

Question. Can we just do this?

    let hevcVideoRangeTypes = 'SDR|DOVIWithSDR';
    let vp9VideoRangeTypes = 'SDR';
    let av1VideoRangeTypes = 'SDR';

    if (supportsHdr10(options)) {
        hevcVideoRangeTypes += '|HDR10|DOVIWithHDR10';
        vp9VideoRangeTypes += '|HDR10';
        av1VideoRangeTypes += '|HDR10';
    }

    if (supportsHlg(options)) {
        hevcVideoRangeTypes += '|HLG|DOVIWithHLG';
        vp9VideoRangeTypes += '|HLG';
        av1VideoRangeTypes += '|HLG';
    }

Or do we still have to support some DoVi data?

Question. Can we just do this?

If only for Tizen then yes, for other devices no because not all devices accepts the dvh1 fourcc tagged by ffmpeg and will not play the fallback layer at all, which means ffmpeg needs to tag it with hvc1 so that the device can play the HDR10/HLG fallback layer.

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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