Pass scaleResolutionDownBy param

hypervideo · Oct 25, 2024 · e477fb3 · e477fb3
1 parent 72d7bdf
commit e477fb3
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Showing 3 changed files with 15 additions and 4 deletions.
diff --git a/burrito/burrito.js b/burrito/burrito.js
@@ -39,6 +39,7 @@ let resolutions = [
         webCodecVideoElement: spatial240pWebCodecVideoElement,
         webCodecTrackGenerator: mediaStreamTrackGenerator240p,
         webCodecWritable: mediaStreamWritable240p,
+        scaleResolutionDownBy: 4.5,
     },
     {
         title: "480p",
@@ -52,6 +53,7 @@ let resolutions = [
         webCodecVideoElement: spatial480pWebCodecVideoElement,
         webCodecTrackGenerator: mediaStreamTrackGenerator480p,
         webCodecWritable: mediaStreamWritable480p,
+        scaleResolutionDownBy: 2.25
     },
     {
         title: "720p",
@@ -65,6 +67,7 @@ let resolutions = [
         webCodecVideoElement: spatial720pWebCodecVideoElement,
         webCodecTrackGenerator: mediaStreamTrackGenerator720p,
         webCodecWritable: mediaStreamWritable720p,
+        scaleResolutionDownBy: 1.5,
     },
 ];
 
@@ -246,7 +249,8 @@ async function call() {
 
                 resolution.remoteVideoElement.srcObject = e.streams[0];
             },
-            scalabilityMode
+            scalabilityMode,
+            resolution.scaleResolutionDownBy
         );
 
         resolution.videoPipe.pc1.getSenders().forEach((s) => {

diff --git a/js/main.js b/js/main.js
@@ -382,6 +382,7 @@ async function call() {
             gotRemoteStream(e.streams[0], video2);
         },
         primarySVCModeTitle.innerText,
+        1.0,
     );
     startToEnd.pc1.getSenders().forEach((s) => setupSenderTransform(s, true));
     await startToEnd.negotiate();
@@ -400,6 +401,7 @@ async function call() {
             gotRemoteStream(e.streams[0], video2a);
         },
         secondarySVCModeTitle.innerText,
+        1.0,
     );
     secondaryStartToEnd.pc1.getSenders().forEach((s) => setupSenderTransform(s, false));
     await secondaryStartToEnd.negotiate();

diff --git a/js/videopipe.js b/js/videopipe.js
@@ -21,7 +21,7 @@
 //
 'use strict';
 
-function VideoPipe(stream, forceSend, forceReceive, handler, scalabilityMode) {
+function VideoPipe(stream, forceSend, forceReceive, handler, scalabilityMode, scaleResolutionDownBy) {
     this.pc1 = new RTCPeerConnection({
         encodedInsertableStreams: forceSend,
     });
@@ -36,7 +36,12 @@ function VideoPipe(stream, forceSend, forceReceive, handler, scalabilityMode) {
         } else {
             let tr = this.pc1.addTransceiver(track, {
                 streams: [stream],
-                sendEncodings: [{ scalabilityMode: scalabilityMode }],
+                sendEncodings: [
+                    {
+                        scalabilityMode: scalabilityMode,
+                        scaleResolutionDownBy: scaleResolutionDownBy
+                    }
+                ],
             });
 
             const videoCodecs = RTCRtpSender.getCapabilities('video').codecs;
@@ -59,7 +64,7 @@ VideoPipe.prototype.negotiate = async function () {
 
     const offer = await this.pc1.createOffer();
     // Disable video/red to allow for easier inspection in Wireshark.
-    await this.pc2.setRemoteDescription({ type: 'offer', sdp: offer.sdp.replace('red/90000', 'green/90000') });
+    await this.pc2.setRemoteDescription({type: 'offer', sdp: offer.sdp.replace('red/90000', 'green/90000')});
     await this.pc1.setLocalDescription(offer);
 
     const answer = await this.pc2.createAnswer();