Index: remoting/webapp/crd/js/media_source_renderer.js |
diff --git a/remoting/webapp/crd/js/media_source_renderer.js b/remoting/webapp/crd/js/media_source_renderer.js |
deleted file mode 100644 |
index b9cc24c611ebcc4daf311ec46eae1851afa867db..0000000000000000000000000000000000000000 |
--- a/remoting/webapp/crd/js/media_source_renderer.js |
+++ /dev/null |
@@ -1,116 +0,0 @@ |
-// Copyright 2014 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-'use strict'; |
- |
-/** @suppress {duplicate} */ |
-var remoting = remoting || {}; |
- |
-/** |
- * @param {HTMLMediaElement} videoTag <video> tag to render to. |
- * @constructor |
- */ |
-remoting.MediaSourceRenderer = function(videoTag) { |
- /** @type {HTMLMediaElement} */ |
- this.video_ = videoTag; |
- |
- /** @type {MediaSource} */ |
- this.mediaSource_ = null; |
- |
- /** @type {SourceBuffer} */ |
- this.sourceBuffer_ = null; |
- |
- /** @type {!Array.<ArrayBuffer>} Queue of pending buffers that haven't been |
- * processed. A null element indicates that the SourceBuffer can be reset |
- * because the following buffer contains a keyframe. */ |
- this.buffers_ = []; |
- |
- this.lastKeyFramePos_ = 0; |
-} |
- |
-/** |
- * @param {string} format Format of the stream. |
- */ |
-remoting.MediaSourceRenderer.prototype.reset = function(format) { |
- // Reset the queue. |
- this.buffers_ = []; |
- |
- // Create a new MediaSource instance. |
- this.sourceBuffer_ = null; |
- this.mediaSource_ = new MediaSource(); |
- this.mediaSource_.addEventListener('sourceopen', |
- this.onSourceOpen_.bind(this, format)); |
- this.mediaSource_.addEventListener('sourceclose', function(e) { |
- console.error("MediaSource closed unexpectedly."); |
- }); |
- this.mediaSource_.addEventListener('sourceended', function(e) { |
- console.error("MediaSource ended unexpectedly."); |
- }); |
- |
- // Start playback from new MediaSource. |
- this.video_.src = |
- /** @type {string} */( |
- window.URL.createObjectURL(/** @type {!Blob} */(this.mediaSource_))); |
- this.video_.play(); |
-} |
- |
-/** |
- * @param {string} format |
- * @private |
- */ |
-remoting.MediaSourceRenderer.prototype.onSourceOpen_ = function(format) { |
- this.sourceBuffer_ = |
- this.mediaSource_.addSourceBuffer(format); |
- |
- this.sourceBuffer_.addEventListener( |
- 'updateend', this.processPendingData_.bind(this)); |
- this.processPendingData_(); |
-} |
- |
-/** |
- * @private |
- */ |
-remoting.MediaSourceRenderer.prototype.processPendingData_ = function() { |
- if (this.sourceBuffer_) { |
- while (this.buffers_.length > 0 && !this.sourceBuffer_.updating) { |
- var buffer = /** @type {ArrayBuffer} */ this.buffers_.shift(); |
- if (buffer == null) { |
- // Remove data from the SourceBuffer from the beginning to the previous |
- // key frame. By default Chrome buffers up to 150MB of data. We never |
- // need to seek the stream, so it doesn't make sense to keep any of that |
- // data. |
- if (this.sourceBuffer_.buffered.length > 0) { |
- // TODO(sergeyu): Check currentTime to make sure that the current |
- // playback position is not being removed. crbug.com/398290 . |
- if (this.lastKeyFramePos_ > this.sourceBuffer_.buffered.start(0)) { |
- this.sourceBuffer_.remove(this.sourceBuffer_.buffered.start(0), |
- this.lastKeyFramePos_); |
- } |
- |
- this.lastKeyFramePos_ = this.sourceBuffer_.buffered.end( |
- this.sourceBuffer_.buffered.length - 1); |
- } |
- } else { |
- // TODO(sergeyu): Figure out the way to determine when a frame is |
- // rendered and use it to report performance statistics. |
- this.sourceBuffer_.appendBuffer(buffer); |
- } |
- } |
- } |
-} |
- |
-/** |
- * @param {ArrayBuffer} data |
- * @param {boolean} keyframe |
- */ |
-remoting.MediaSourceRenderer.prototype.onIncomingData = |
- function(data, keyframe) { |
- if (keyframe) { |
- // Queue SourceBuffer reset request. |
- this.buffers_.push(null); |
- } |
- this.buffers_.push(data); |
- this.processPendingData_(); |
-} |
- |