Add resolution bitrate thresholds to EncoderInfo.

When provided, these thresholds will be used instead of WebRTC default
limits specified in DropDueToSize() and GetMaxDefaultVideoBitrateKbps().

Bug: none
Change-Id: Ida45ea832041963b8b8475d69114b5c60a172fb7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/142170
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Alex Glaznev <glaznev@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28390}

sdk/android/native_unittests/org/webrtc/CodecsWrapperTestHelper.java

@@ -23,4 +23,9 @@ public class CodecsWrapperTestHelper {
     VideoCodecInfo codec_info = new VideoCodecInfo("H264", params);
     return codec_info;
   }
+
+  @CalledByNative
+  public static VideoEncoder createFakeVideoEncoder() {
+    return new FakeVideoEncoder();
+  }
 }

sdk/android/native_unittests/org/webrtc/FakeVideoEncoder.java

@@ -0,0 +1,58 @@
+/*
+ *  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;
+
+/**
+ * An implementation of VideoEncoder that is used for testing of functionalities of
+ * VideoEncoderWrapper.
+ */
+class FakeVideoEncoder implements VideoEncoder {
+  @Override
+  public VideoCodecStatus initEncode(Settings settings, Callback encodeCallback) {
+    return VideoCodecStatus.OK;
+  }
+
+  @Override
+  public VideoCodecStatus release() {
+    return VideoCodecStatus.OK;
+  }
+
+  @Override
+  public VideoCodecStatus encode(VideoFrame frame, EncodeInfo info) {
+    return VideoCodecStatus.OK;
+  }
+
+  @Override
+  public VideoCodecStatus setRateAllocation(BitrateAllocation allocation, int framerate) {
+    return VideoCodecStatus.OK;
+  }
+
+  @Override
+  public ScalingSettings getScalingSettings() {
+    return ScalingSettings.OFF;
+  }
+
+  @Override
+  public ResolutionBitrateThresholds[] getResolutionBitrateThresholds() {
+    ResolutionBitrateThresholds resolution_bitrate_thresholds[] = {
+        new ResolutionBitrateThresholds(/* frameSizePixels = */ 640 * 360,
+            /* minStartBitrateBps = */ 300000,
+            /* minBitrateBps = */ 200000,
+            /* maxBitrateBps = */ 1000000)};
+
+    return resolution_bitrate_thresholds;
+  }
+
+  @Override
+  public String getImplementationName() {
+    return "FakeVideoEncoder";
+  }
+}