Round start bitrate for svc (#920)

livekit · Nov 2, 2023 · 525d90c · 525d90c
1 parent b6e1f1a
commit 525d90c
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Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/.changeset/tricky-grapes-cheer.md b/.changeset/tricky-grapes-cheer.md
@@ -0,0 +1,5 @@
+---
+'livekit-client': patch
+---
+
+Round start bitrate for svc
diff --git a/src/room/PCTransport.ts b/src/room/PCTransport.ts
@@ -256,7 +256,9 @@ export default class PCTransport extends EventEmitter {
           for (const fmtp of media.fmtp) {
             if (fmtp.payload === codecPayload) {
               if (!fmtp.config.includes('x-google-start-bitrate')) {
-                fmtp.config += `;x-google-start-bitrate=${trackbr.maxbr * startBitrateForSVC}`;
+                fmtp.config += `;x-google-start-bitrate=${Math.round(
+                  trackbr.maxbr * startBitrateForSVC,
+                )}`;
               }
               if (!fmtp.config.includes('x-google-max-bitrate')) {
                 fmtp.config += `;x-google-max-bitrate=${trackbr.maxbr}`;
@@ -269,9 +271,9 @@ export default class PCTransport extends EventEmitter {
           if (!fmtpFound) {
             media.fmtp.push({
               payload: codecPayload,
-              config: `x-google-start-bitrate=${
-                trackbr.maxbr * startBitrateForSVC
-              };x-google-max-bitrate=${trackbr.maxbr}`,
+              config: `x-google-start-bitrate=${Math.round(
+                trackbr.maxbr * startBitrateForSVC,
+              )};x-google-max-bitrate=${trackbr.maxbr}`,
             });
           }