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Update AV1 EncodedVideoChunk data and type definitions #968

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Update AV1 EncodedVideoChunk data and type definitions #968

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12 changes: 8 additions & 4 deletions av1_codec_registration.src.html
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Expand Up @@ -60,8 +60,10 @@
================================================

{{EncodedVideoChunk}} {{EncodedVideoChunk/[[internal data]]}} is expected to be
data compliant to the "low-overhead bitstream format" as described in Section 5
of [[AV1]].
a sequence of Open Bitstream Units (OBUs) compliant to the "low-overhead
bitstream format" (Section 5.2 of [[AV1]]) forming a single temporal unit
(Section 7.5 of [[AV1]]), except that the initial `OBU_TEMPORAL_DELIMITER` OBU
may be omitted.

VideoDecoderConfig description {#videodecoderconfig-description}
================================================================
Expand All @@ -73,8 +75,10 @@

If an {{EncodedVideoChunk}}'s {{EncodedVideoChunk/[[type]]}} is
{{EncodedVideoChunkType/key}}, then the {{EncodedVideoChunk}} is expected to
contain a frame with a `frame_type` of `KEY_FRAME` as defined in Section
6.8.2 of [[AV1]].
contain an `OBU_SEQUENCE_HEADER` OBU before the first frame header, and the
first frame header in the chunk is expected to have `show_existing_frame` equal
to `0`, `frame_type` equal to `KEY_FRAME`, and `show_frame` equal to `1`, as
defined in Section 6.8.2 and Section 7.5 of [[AV1]].

VideoEncoderEncodeOptions extensions {#videoencoderencodeoptions-extensions}
==============================================================
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