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Add VideoEncoderConfig.contentHint #729

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Merged
merged 2 commits into from
Oct 26, 2023
Merged

Add VideoEncoderConfig.contentHint #729

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f0781f0
Add VideoEncoderConfig.contentHint
Djuffin Oct 17, 2023
0061291
adding a priority note
Djuffin Oct 17, 2023
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20 changes: 19 additions & 1 deletion index.src.html
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Original file line number Diff line number Diff line change
Expand Up @@ -47,9 +47,12 @@
type: dfn; text: current playback position; url: media.html#current-playback-position
type: dfn; text: live; url: infrastructure.html#live

spec: webrtc-svc; urlPrefix: https://w3c.github.io/webrtc-svc/
spec: webrtc-svc; urlPrefix: https://www.w3.org/TR/webrtc-svc/
type: dfn; text: scalability mode identifier; url:#scalabilitymodes*

spec: mst-content-hint; urlPrefix: https://www.w3.org/TR/mst-content-hint/
type: dfn; text: video content hints; url:#video-content-hints

spec: ECMASCRIPT; urlPrefix: https://tc39.es/ecma262/
type: dfn; text: the current Realm; url: #current-realm
</pre>
Expand Down Expand Up @@ -2104,6 +2107,7 @@
DOMString scalabilityMode;
VideoEncoderBitrateMode bitrateMode = "variable";
LatencyMode latencyMode = "quality";
DOMString contentHint;
};
</xmp>

Expand Down Expand Up @@ -2221,6 +2225,20 @@
<dd>
Configures latency related behaviors for this codec. See {{LatencyMode}}.
</dd>
<dt><dfn dict-member for=VideoEncoderConfig>contentHint</dfn></dt>
<dd>
An encoding [=video content hint=] as defined by [[mst-content-hint]].

The User Agent <em class="rfc2119">MAY</em> use this hint to set
expectations about incoming {{VideoFrame}}s and to improve encoding quality.

The User Agent <em class="rfc2119">MUST NOT</em> refuse the configuration
if it doesn't support this content hint.
See {{VideoEncoder/isConfigSupported()}}.

NOTE: Any codec-specific encoding options take precedence over
{{contentHint}}.
</dd>

</dl>

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