Video and WebGL are a mess!!!

greggman · phemavax · commit a671afe55f97 · 2024-07-05T14:19:20.000+05:30
There is no official way to know when it's safe to read a video element.
Do it wrong and your app breaks. Browsers change what the requirements
are every few years breaking any example using video and WebGL
diff --git a/color-adjust/color-adjust.html b/color-adjust/color-adjust.html
@@ -609,7 +609,7 @@
     target[1] = g_targetHeight;
     target[2] = Math.cos(g_eyeClock + Math.PI) * g_targetRadius;
 
-    if (copyVideo || setVideo) {
+    if (video.currentTime > 0 && (copyVideo || setVideo)) {
       if (setVideo) {
         video.currentTime = audio.currentTime;
       }

Original file line number	Diff line number	Diff line change
`@@ -609,7 +609,7 @@`
`609`	`609`	`target[1] = g_targetHeight;`
`610`	`610`	`target[2] = Math.cos(g_eyeClock + Math.PI) * g_targetRadius;`
`611`	`611`
`612`		`- if (copyVideo \|\| setVideo) {`
	`612`	`+ if (video.currentTime > 0 && (copyVideo \|\| setVideo)) {`
`613`	`613`	`if (setVideo) {`
`614`	`614`	`video.currentTime = audio.currentTime;`
`615`	`615`	`}`