LICENSE.txt

@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2019 Shimmermare <shimmermare@gmail.com>
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

Makefile

@@ -0,0 +1,8 @@
+CC ?= gcc
+CFLAGS += -fPIC -shared
+nyav1.so:
+	$(CC) $(CFLAGS) nyav1.c -o nyav1.so
+
+.PHONY: clean
+clean:
+	rm -f nyav1.so

README.md

@@ -1,9 +0,0 @@
-# Not yet, AV1 #  
-  
-This is extremely lightweight Chrome plugin to disable AV1 on YouTube and other sites.  
-
-I believe that AV1 is still very green format and can't be played 4k60fps without hardware support.  
-  
-Fundamentally this is [h264ify](https://github.com/erkserkserks/h264ify) by [erkserkserks](https://github.com/erkserkserks), but without options and h264-only restriction.  
-
-![](example.jpg)

manifest.json

@@ -1,27 +0,0 @@
-{
-	"manifest_version": 2,
-	"name": "Not yet, AV1",
-	"version": "1.0.0",
-	"description": "Extremely lightweight Chrome plugin to disable AV1 on YouTube and other sites.",
-	"icons": {
-		"16": "icons/16.png",
-		"48": "icons/48.png",
-		"128": "icons/128.png"
-	},
-	"content_scripts": [
-		{
-			"matches": [
-				"*://*.youtube.com/*",
-				"*://*.youtube-nocookie.com/*",
-				"*://*.youtu.be/*"
-			],
-			"js": [
-				"src/inject/inject.js",
-				"src/inject/content_script.js"
-			],
-			"run_at": "document_start",
-			"all_frames": true
-		}
-	],
-	"homepage_url": "https://github.com/Shimmermare/NotYetAV1"
-}

nyav1.c

@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include <dlfcn.h>
+static int (*old) (void *a, void *b) = NULL;
+int dav1d_open (void *a, void *b) {
+    int max_frame_delay = *(((int*)b)+1);
+    if (max_frame_delay == 1) {
+        if (!old) old = dlsym(RTLD_NEXT, "dav1d_open");
+        printf("dav1d_open passthrough, max_frame_delay=%d\n", max_frame_delay);
+        return old(a, b);
+    }
+    printf("dav1d_open force -1, max_frame_delay=%d\n", max_frame_delay);
+    return -1;
+}

src/inject/content_script.js

@@ -1,37 +0,0 @@
-/**
- * The MIT License (MIT)
- *
- * Copyright (c) 2015 erkserkserks
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-// This content script runs in an isolated environment and cannot modify any
-// javascript variables on the youtube page. Thus, we have to inject another
-// script into the DOM.
-
-var injectScript = document.createElement('script');
-// Use textContent instead of src to run inject() synchronously
-injectScript.textContent = "(function(){" + inject.toString() + "inject();})();";
-injectScript.onload = function() {
-  // Remove <script> node after injectScript runs.
-  this.parentNode.removeChild(this);
-};
-(document.head || document.documentElement).appendChild(injectScript);
-

src/inject/inject.js

@@ -1,52 +0,0 @@
-/**
- * The MIT License (MIT)
- *
- * Copyright (c) 2015 erkserkserks
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-function inject() {
-    override();
-	
-    function override() {
-        // Override video element canPlayType() function
-        var videoElem = document.createElement('video');
-        var origCanPlayType = videoElem.canPlayType.bind(videoElem);
-        videoElem.__proto__.canPlayType = makeModifiedTypeChecker(origCanPlayType);
-        
-        // Override media source extension isTypeSupported() function
-        var mse = window.MediaSource;
-        // Check for MSE support before use
-        if (mse === undefined) return;
-        var origIsTypeSupported = mse.isTypeSupported.bind(mse);
-        mse.isTypeSupported = makeModifiedTypeChecker(origIsTypeSupported);
-    }
-	
-    // return a custom MIME type checker that can defer to the original function
-    function makeModifiedTypeChecker(origChecker) {
-        // Check if a video type is allowed
-        return function (type) {
-            if (type === undefined || type.indexOf('av01') !== -1) return '';
-            // Otherwise, ask the browser
-            return origChecker(type);
-        };
-    }
-}
-