- From: Pierre-Anthony Lemieux <pal@sandflow.com>
- Date: Mon, 25 Oct 2021 20:00:15 -0700
- To: Wan-Teh Chang <wtc@google.com>
- Cc: public-colorweb@w3.org
Hi Wan-Teh, Thanks! All, How should we catalog these parameters? Markdown on our github repo, issue on WebCodes repo, Google doc? Any preference. Best, -- Pierre On Mon, Oct 25, 2021 at 6:59 PM Wan-Teh Chang <wtc@google.com> wrote: > > Hi Pierre-Anthony, > > On Mon, Oct 25, 2021 at 3:39 PM Pierre-Anthony Lemieux <pal@sandflow.com> wrote: > > > > It was pointed out earlier today that now would be a good time to > > identify any HDR/WCG metadata present at the video codec bitstream > > level (as opposed to metadata at the container level), so that the > > metadata can be exposed through the WebCodecs API. > > > > Please reply to this thread if any such metadata comes to mind. > > AV1 has two HDR metadata types: METADATA_TYPE_HDR_CLL and > METADATA_TYPE_HDR_MDCV. See the AV1 specification: > https://aomediacodec.github.io/av1-spec/av1-spec.pdf > > In addition, the AV1 metadata type METADATA_TYPE_ITUT_T35 is > extensible and can be used to carry HDR10+ dynamic metadata. See > http://downloads.aomedia.org/assets/pdf/AV1-HDR10-Implementation-Note_1202.pdf > > Wan-Teh Chang
Received on Tuesday, 26 October 2021 03:00:41 UTC