/docs/codecs/Recent content in Codecs on ObserveRTCHugoenCopyright (c) 2020-2024 ThuliteSun, 13 Sep 2026 10:00:00 +0200/docs/codecs/protobuf/Sun, 13 Sep 2026 10:00:00 +0200/docs/codecs/protobuf/<p><code>@observertc/samples-protobuf-codec</code> encodes and decodes <a href="/docs/schema/clientsample/"><code>ClientSample</code></a> objects over protobuf. It is a <strong>delta</strong> codec: each message on the wire carries the difference between one sample and the one before it, because a WebRTC stats sample is mostly identifiers, codec parameters and slow-moving counters that repeat verbatim every tick.</p>/docs/codecs/json/Sun, 13 Sep 2026 10:00:00 +0200/docs/codecs/json/<p><code>@observertc/samples-json-codec</code> encodes each <a href="/docs/schema/clientsample/"><code>ClientSample</code></a> as the difference from the last one — which is where nearly all of the saving comes from, since a WebRTC stats sample is mostly identifiers, codec parameters and slow-moving counters that repeat verbatim every tick.</p>