Moving src/webrtc into src/.

In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}

sdk/android/api/org/webrtc/VideoDecoder.java

@@ -0,0 +1,73 @@
+/*
+ *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+/**
+ * Interface for a video decoder that can be used in WebRTC. All calls to the class will be made on
+ * a single decoding thread.
+ */
+public interface VideoDecoder {
+  /** Settings passed to the decoder by WebRTC. */
+  public class Settings {
+    public final int numberOfCores;
+    public final int width;
+    public final int height;
+
+    public Settings(int numberOfCores, int width, int height) {
+      this.numberOfCores = numberOfCores;
+      this.width = width;
+      this.height = height;
+    }
+  }
+
+  /** Additional info for decoding. */
+  public class DecodeInfo {
+    public final boolean isMissingFrames;
+    public final long renderTimeMs;
+
+    public DecodeInfo(boolean isMissingFrames, long renderTimeMs) {
+      this.isMissingFrames = isMissingFrames;
+      this.renderTimeMs = renderTimeMs;
+    }
+  }
+
+  public interface Callback {
+    /**
+     * Call to return a decoded frame. Can be called on any thread.
+     *
+     * @param frame Decoded frame
+     * @param decodeTimeMs Time it took to decode the frame in milliseconds or null if not available
+     * @param qp QP value of the decoded frame or null if not available
+     */
+    void onDecodedFrame(VideoFrame frame, Integer decodeTimeMs, Integer qp);
+  }
+
+  /**
+   * Initializes the decoding process with specified settings. Will be called on the decoding thread
+   * before any decode calls.
+   */
+  VideoCodecStatus initDecode(Settings settings, Callback decodeCallback);
+  /**
+   * Called when the decoder is no longer needed. Any more calls to decode will not be made.
+   */
+  VideoCodecStatus release();
+  /**
+   * Request the decoder to decode a frame.
+   */
+  VideoCodecStatus decode(EncodedImage frame, DecodeInfo info);
+  /**
+   * The decoder should return true if it prefers late decoding. That is, it can not decode
+   * infinite number of frames before the decoded frame is consumed.
+   */
+  boolean getPrefersLateDecoding();
+  /** Should return a descriptive name for the implementation. */
+  String getImplementationName();
+}