<div dir="auto">How I understood hdr is device depending features Example camcorder FS5 outgoing hlg with bt2020 color space. <div dir="auto"> Where can find coordination between x264 mnemonics with real devices?</div></div><br><div class="gmail_quote"><div dir="ltr">чт, 16 Май 2019, 18:35 Vittorio Giovara <a href="mailto:vittorio.giovara@gmail.com">vittorio.giovara@gmail.com</a>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>10 bit is a requirement for HDR, together with bt2020 and optional metadata depending on your usecase (pq/hlg)<br></div><div>x264 supports setting smpte2084 and arib-b67 transfers and bt2020 color space and is 10 bit, the only missing piece is setting metadata for pq (smpte2086)</div><div>so for HLG, hdr is fully supported by x264, for HDR10 someone needs to provide a patch to set the optional metadata</div><div><br></div><div>Vittorio<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, May 16, 2019 at 8:48 AM Nikolay Sidorov <<a href="mailto:nickola.sid@gmail.com" target="_blank" rel="noreferrer">nickola.sid@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">HDR is High Dynamic Range imaging of brightness & contrast and maybe 8-bit color scheme.<div dir="auto"><a href="https://ru.m.wikipedia.org/wiki/High_Dynamic_Range_Imaging" target="_blank" rel="noreferrer">https://ru.m.wikipedia.org/wiki/High_Dynamic_Range_Imaging</a><br></div><div dir="auto"><br></div></div><br><div class="gmail_quote"><div dir="ltr">чт, 16 Май 2019, 15:36 qw <a href="mailto:applemax82@163.com" target="_blank" rel="noreferrer">applemax82@163.com</a>:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="line-height:1.7;color:rgb(0,0,0);font-size:14px;font-family:Arial"><pre>>> Does x264 support REC.2020 color space?
>
>x264 supports 10-bit bit depth and can signal Rec.2020/Rec.2100 color
>primaries/transfer characteristics
</pre><div><br></div>Could you show me one example(x264 command) where x264 encode 10bit with Rec.2020 color space?<br><br><div>Thanks!</div><div><br></div><div>Regard</div><div><br></div><div>Andrew</div><br><div></div><div id="m_-5487604467471150032gmail-m_-3239990539330302483m_2095937726259045626divNeteaseMailCard"></div><pre><br>At 2019-05-16 19:29:15, "Henrik Gramner" <<a href="mailto:henrik@gramner.com" rel="noreferrer noreferrer" target="_blank">henrik@gramner.com</a>> wrote:
>On Thu, May 16, 2019 at 1:04 PM qw <<a href="mailto:applemax82@163.com" rel="noreferrer noreferrer" target="_blank">applemax82@163.com</a>> wrote:
>> Does x264 support REC.2020 color space?
>
>x264 supports 10-bit bit depth and can signal Rec.2020/Rec.2100 color
>primaries/transfer characteristics
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</blockquote></div><br clear="all"><br>-- <br><div dir="ltr" class="m_-5487604467471150032gmail_signature">Vittorio</div>
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