Added -vc option (video codec name)

README.md

@@ -34,6 +34,8 @@ Options:
   --turn-password       TURN password                        [string] [required]
   --turn-username       TURN username                        [string] [required]
   -u, --uri             MQTT broker URI                      [string] [required]
+  --vc, --video-codec   Codec name for video (SDP)
+                      [string] [choices: "H264", "VP8", "VP9"] [default: "H264"]
   --help                Show help                                      [boolean]
 ```
 

cli.js

@@ -66,6 +66,13 @@ const { argv } = require('yargs')
       demandOption: true,
       description: 'MQTT broker URI',
       type: 'string'
+    },
+    'vc': {
+      alias: 'video-codec',
+      choices: ['H264', 'VP8', 'VP9'],
+      default: 'H264',
+      description: 'Codec name for video (SDP)',
+      type: 'string'
     }
   })
   .help()
@@ -88,7 +95,8 @@ const {
   turn,
   turnPassword,
   turnUsername,
-  uri
+  uri,
+  videoCodec
 } = argv
 
 const iceServers = [
@@ -182,7 +190,7 @@ function startListening (client, mqttClient, activeRtcStream) {
       return peer.createOffer(listenerOptions)
     })
     .then(offer => {
-      const newOffer = transformOffer(offer)
+      const newOffer = transformOffer(offer, { videoCodec })
 
       return client.createRtcSignal(handleId, newOffer)
         .then((response) => ({ response, offer: newOffer }))

lib/peer.js

@@ -113,10 +113,10 @@ class Peer {
   }
 }
 
-function transformOffer (offer) {
+function transformOffer (offer, options) {
   return {
     type: 'offer',
-    sdp: transformOfferSDP(offer.sdp)
+    sdp: transformOfferSDP(offer.sdp, options)
   }
 }
 

lib/sdp.js

@@ -30,22 +30,19 @@ function mapByPayload (payload) {
   }
 }
 
-function transformOfferSDP (sdp) {
+function transformOfferSDP (sdp, options) {
   const sdpParsed = parse(sdp)
   const config = {
     audio: {
       codecName: 'opus',
       modifiedPayload: 109,
     },
     video: {
-      codecName: 'H264',
+      codecName: options.videoCodec,
       modifiedPayload: 126,
     }
   }
 
-  // console.debug('[sdp] opts', opts)
-  // console.debug('[sdp] original', sdpParsed)
-
   sdpParsed.media.forEach(m => {
     if (m.type === 'audio' || m.type === 'video') {
       const originalPayload = getPayloadByCodec(config[m.type].codecName, m.rtp)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ulms/wrtc-agent",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "WebRTC agent for load testing",
   "main": "cli.js",
   "bin": {