/vpx-yuv now contains only the latest set of decoded frames

Author: ankh-g

src/web_app/js/appcontroller.js

@@ -427,11 +427,8 @@ AppController.prototype.transitionToActive_ = function () {
 
         const sendFrame = () => {
           const time = Date.now();
-
-          console.log('taking a rgba video frame');
           localContext2d.drawImage(this.miniVideo_, 0, 0, width, height);
           const {data: rgba} = localContext2d.getImageData(0, 0, width, height);
-
           const packets = this.libvpx_.encode(rgba);
           console.log('Total time to process this frame:', Date.now() - time, 'ms');
           console.warn('Sending IVF data to remote:', packets.length, 'bytes');

src/web_app/js/libvpx.js

@@ -28,7 +28,6 @@ class LibVPX {
 
     this._initialized = false;
     this._lastIvfSize = 0;
-    this._lastYuvSize = 0;
 
     this._loadWasm('/wasm/libvpx/libvpx.js');
   }
@@ -103,7 +102,6 @@ class LibVPX {
     const ivfSize = FS.stat(IVF_FILE).size;
     FS.write(ivfFile, ivfData, 0, ivfData.length, ivfSize);
     FS.close(ivfFile);
-    console.log('Added new IVF data at file pos', ivfSize);
 
     if (!this._initialized) {
       console.warn('initializing vpx decoder');
@@ -119,19 +117,7 @@ class LibVPX {
 
     // Read the new YUV frames written by the decoder.
 
-    const newYuvSize = FS.stat(YUV_FILE).size;
-
-    if (newYuvSize == this._lastYuvSize) {
-      console.warn('No new YUV frames decoded.');
-      return [];
-    }
-
-    const yuvFile = FS.open(YUV_FILE, 'r');
-    const yuvFrames = new Uint8Array(newYuvSize - this._lastYuvSize);
-    FS.read(yuvFile, yuvFrames, 0, yuvFrames.length, this._lastYuvSize);
-    FS.close(yuvFile);
-    this._lastYuvSize = newYuvSize;
-
+    const yuvFrames = FS.readFile(YUV_FILE);
     if (yuvFrames.length % yuvSize != 0)
       console.warn('Wrong YUV size:', yuvFrames.length, '%', yuvSize, '!= 0');
 

src/web_app/wasm/libvpx/libvpx.a

@@ -1834,7 +1834,7 @@ var ASM_CONSTS = [];
 
 STATIC_BASE = GLOBAL_BASE;
 
-STATICTOP = STATIC_BASE + 131616;
+STATICTOP = STATIC_BASE + 131600;
 /* global initializers */  __ATINIT__.push();
 
 
@@ -1843,7 +1843,7 @@ STATICTOP = STATIC_BASE + 131616;
 
 
 
-var STATIC_BUMP = 131616;
+var STATIC_BUMP = 131600;
 Module["STATIC_BASE"] = STATIC_BASE;
 Module["STATIC_BUMP"] = STATIC_BUMP;