From 90eb048e8d2fff805b8e05f6e949a8dfccd47cf8 Mon Sep 17 00:00:00 2001
From: Hans-Peter Herzog <hherzog@sipwise.com>
Date: Wed, 27 Oct 2021 09:58:17 +0200
Subject: [PATCH] TT#145900 Call - Configure video constraints including
 frameRate

Change-Id: I0662ec689d8309049a05c659b0a86056d12d9973
---
 src/api/ngcp-call.js | 41 +++++++++++++++++++++++++++++++++--------
 1 file changed, 33 insertions(+), 8 deletions(-)

diff --git a/src/api/ngcp-call.js b/src/api/ngcp-call.js
index 08e73517..e828318d 100644
--- a/src/api/ngcp-call.js
+++ b/src/api/ngcp-call.js
@@ -21,13 +21,38 @@ const TERMINATION_OPTIONS = {
     reason_phrase: 'Decline'
 }
 
-const MEDIA_VIDEO_DEFAULT_CONFIG = {
-    width: {
-        ideal: 4096
-    },
-    height: {
-        ideal: 2160
+const VIDEO_MAX_FRAME_RATE = 30
+const VIDEO_IDEAL_WIDTH = 1920
+const VIDEO_IDEAL_HEIGHT = 1080
+
+function callGetVideoConstraints () {
+    const supported = navigator?.mediaDevices?.getSupportedConstraints()
+    const constraints = {}
+    if (supported.frameRate) {
+        constraints.frameRate = {
+            max: VIDEO_MAX_FRAME_RATE
+        }
+    }
+    constraints.width = {
+        ideal: VIDEO_IDEAL_WIDTH
+    }
+    constraints.height = {
+        ideal: VIDEO_IDEAL_HEIGHT
+    }
+    return constraints
+}
+
+function callGetCameraConstraints () {
+    const supported = navigator?.mediaDevices?.getSupportedConstraints()
+    const constraints = callGetVideoConstraints()
+    if (supported.facingMode) {
+        constraints.facingMode = 'user'
     }
+    return constraints
+}
+
+function callGetScreenConstraints () {
+    return callGetVideoConstraints()
 }
 
 export const callEvent = new EventEmitter()
@@ -235,7 +260,7 @@ export async function callSendVideo (stream, audioMuted) {
 export async function callAddCamera () {
     $isVideoScreen = false
     await callSendVideo(await navigator.mediaDevices.getUserMedia({
-        video: MEDIA_VIDEO_DEFAULT_CONFIG,
+        video: callGetCameraConstraints(),
         audio: false
     }))
 }
@@ -243,7 +268,7 @@ export async function callAddCamera () {
 export async function callAddScreen () {
     $isVideoScreen = true
     await callSendVideo(await navigator.mediaDevices.getDisplayMedia({
-        video: MEDIA_VIDEO_DEFAULT_CONFIG,
+        video: callGetScreenConstraints(),
         audio: false
     }))
 }