Delete VP8 feedback mode.

webrtc/modules/video_coding/codecs/vp8/reference_picture_selection_unittest.cc

-/*
- *  Copyright (c) 2011 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.
- */
-
-#include "vpx/vp8cx.h"
-#include "vpx/vpx_encoder.h"
-#include "webrtc/modules/video_coding/codecs/vp8/reference_picture_selection.h"
-#include "webrtc/test/gtest.h"
-
-using webrtc::ReferencePictureSelection;
-
-// The minimum time between reference frame updates. Should match the values
-// set in reference_picture_selection.h
-static const uint32_t kMinUpdateInterval = 10;
-// The minimum time between decoder refreshes through restricted prediction.
-// Should match the values set in reference_picture_selection.h
-static const int kRtt = 10;
-
-static const int kNoPropagationGolden =
-    VP8_EFLAG_NO_REF_ARF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
-static const int kNoPropagationAltRef =
-    VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_UPD_GF | VP8_EFLAG_NO_UPD_ARF;
-static const int kPropagateGolden = VP8_EFLAG_FORCE_GF | VP8_EFLAG_NO_UPD_ARF |
-                                    VP8_EFLAG_NO_REF_GF | VP8_EFLAG_NO_REF_LAST;
-static const int kPropagateAltRef = VP8_EFLAG_FORCE_ARF | VP8_EFLAG_NO_UPD_GF |
-                                    VP8_EFLAG_NO_REF_ARF |
-                                    VP8_EFLAG_NO_REF_LAST;
-static const int kRefreshFromGolden =
-    VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_ARF;
-static const int kRefreshFromAltRef =
-    VP8_EFLAG_NO_REF_LAST | VP8_EFLAG_NO_REF_GF;
-
-class TestRPS : public ::testing::Test {
- protected:
-  virtual void SetUp() {
-    rps_.Init();
-    // Initialize with sending a key frame and acknowledging it.
-    rps_.EncodedKeyFrame(0);
-    rps_.ReceivedRPSI(0);
-    rps_.SetRtt(kRtt);
-  }
-
-  ReferencePictureSelection rps_;
-};
-
-TEST_F(TestRPS, TestPropagateReferenceFrames) {
-  // Should propagate the alt-ref reference.
-  uint32_t time = (4 * kMinUpdateInterval) / 3 + 1;
-  EXPECT_EQ(rps_.EncodeFlags(1, false, 90 * time), kPropagateAltRef);
-  rps_.ReceivedRPSI(1);
-  time += (4 * (time + kMinUpdateInterval)) / 3 + 1;
-  // Should propagate the golden reference.
-  EXPECT_EQ(rps_.EncodeFlags(2, false, 90 * time), kPropagateGolden);
-  rps_.ReceivedRPSI(2);
-  // Should propagate the alt-ref reference.
-  time = (4 * (time + kMinUpdateInterval)) / 3 + 1;
-  EXPECT_EQ(rps_.EncodeFlags(3, false, 90 * time), kPropagateAltRef);
-  rps_.ReceivedRPSI(3);
-  // Shouldn't propagate any reference frames (except last), and the established
-  // reference is alt-ref.
-  time = time + kMinUpdateInterval;
-  EXPECT_EQ(rps_.EncodeFlags(4, false, 90 * time), kNoPropagationAltRef);
-}
-
-TEST_F(TestRPS, TestDecoderRefresh) {
-  uint32_t time = kRtt + 1;
-  // No more than one refresh per RTT.
-  EXPECT_EQ(rps_.ReceivedSLI(90 * time), true);
-  time += 5;
-  EXPECT_EQ(rps_.ReceivedSLI(90 * time), false);
-  time += kRtt - 4;
-  EXPECT_EQ(rps_.ReceivedSLI(90 * time), true);
-  // Enough time have elapsed since the previous reference propagation, we will
-  // therefore get both a refresh from golden and a propagation of alt-ref.
-  EXPECT_EQ(rps_.EncodeFlags(5, true, 90 * time),
-            kRefreshFromGolden | kPropagateAltRef);
-  rps_.ReceivedRPSI(5);
-  time += kRtt + 1;
-  // Enough time for a new refresh, but not enough time for a reference
-  // propagation.
-  EXPECT_EQ(rps_.ReceivedSLI(90 * time), true);
-  EXPECT_EQ(rps_.EncodeFlags(6, true, 90 * time),
-            kRefreshFromAltRef | kNoPropagationAltRef);
-}
-
-TEST_F(TestRPS, TestWrap) {
-  EXPECT_EQ(rps_.ReceivedSLI(0xffffffff), true);
-  EXPECT_EQ(rps_.ReceivedSLI(1), false);
-  EXPECT_EQ(rps_.ReceivedSLI(90 * 100), true);
-
-  EXPECT_EQ(rps_.EncodeFlags(7, false, 0xffffffff), kPropagateAltRef);
-  EXPECT_EQ(rps_.EncodeFlags(8, false, 1), kNoPropagationGolden);
-  EXPECT_EQ(rps_.EncodeFlags(10, false, 90 * 100), kPropagateAltRef);
-}