Move VideoEncoderSoftwareFallbackWrapper from webrtc/video_encoder.h to webrtc/media/engine/

webrtc/video/video_encoder_unittest.cc

Index: webrtc/video/video_encoder_unittest.cc
diff --git a/webrtc/video/video_encoder_unittest.cc b/webrtc/video/video_encoder_unittest.cc
deleted file mode 100644
index 5f6f17e7b49e2da1655df6b4b0d5722e31e39dfb..0000000000000000000000000000000000000000
--- a/webrtc/video/video_encoder_unittest.cc
+++ /dev/null
@@ -1,293 +0,0 @@
-/*
- *  Copyright (c) 2015 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 "webrtc/video_encoder.h"
-
-#include "webrtc/modules/video_coding/include/video_codec_interface.h"
-#include "webrtc/modules/video_coding/include/video_error_codes.h"
-#include "webrtc/test/gtest.h"
-
-namespace webrtc {
-
-const int kWidth = 320;
-const int kHeight = 240;
-const size_t kMaxPayloadSize = 800;
-
-class VideoEncoderSoftwareFallbackWrapperTest : public ::testing::Test {
- protected:
-  VideoEncoderSoftwareFallbackWrapperTest()
-      : fallback_wrapper_(kVideoCodecVP8, &fake_encoder_) {}
-
-  class CountingFakeEncoder : public VideoEncoder {
-   public:
-    int32_t InitEncode(const VideoCodec* codec_settings,
-                       int32_t number_of_cores,
-                       size_t max_payload_size) override {
-      ++init_encode_count_;
-      return init_encode_return_code_;
-    }
-    int32_t Encode(const VideoFrame& frame,
-                   const CodecSpecificInfo* codec_specific_info,
-                   const std::vector<FrameType>* frame_types) override {
-      ++encode_count_;
-      if (encode_complete_callback_ &&
-          encode_return_code_ == WEBRTC_VIDEO_CODEC_OK) {
-        CodecSpecificInfo info;
-        info.codec_name = ImplementationName();
-        encode_complete_callback_->OnEncodedImage(EncodedImage(), &info,
-                                                  nullptr);
-      }
-      return encode_return_code_;
-    }
-
-    int32_t RegisterEncodeCompleteCallback(
-        EncodedImageCallback* callback) override {
-      encode_complete_callback_ = callback;
-      return WEBRTC_VIDEO_CODEC_OK;
-    }
-
-    int32_t Release() override {
-      ++release_count_;
-      return WEBRTC_VIDEO_CODEC_OK;
-    }
-
-    int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) override {
-      ++set_channel_parameters_count_;
-      return WEBRTC_VIDEO_CODEC_OK;
-    }
-
-    int32_t SetRates(uint32_t bitrate, uint32_t framerate) override {
-      ++set_rates_count_;
-      return WEBRTC_VIDEO_CODEC_OK;
-    }
-
-    void OnDroppedFrame() override { ++on_dropped_frame_count_; }
-
-    bool SupportsNativeHandle() const override {
-      ++supports_native_handle_count_;
-      return false;
-    }
-
-    const char* ImplementationName() const override {
-      return "fake-encoder";
-    }
-
-    int init_encode_count_ = 0;
-    int32_t init_encode_return_code_ = WEBRTC_VIDEO_CODEC_OK;
-    int32_t encode_return_code_ = WEBRTC_VIDEO_CODEC_OK;
-    int encode_count_ = 0;
-    EncodedImageCallback* encode_complete_callback_ = nullptr;
-    int release_count_ = 0;
-    int set_channel_parameters_count_ = 0;
-    int set_rates_count_ = 0;
-    int on_dropped_frame_count_ = 0;
-    mutable int supports_native_handle_count_ = 0;
-  };
-
-  class FakeEncodedImageCallback : public EncodedImageCallback {
-   public:
-    Result OnEncodedImage(
-        const EncodedImage& encoded_image,
-        const CodecSpecificInfo* codec_specific_info,
-        const RTPFragmentationHeader* fragmentation) override {
-      ++callback_count_;
-      last_codec_name_ = codec_specific_info->codec_name;
-      return Result(Result::OK, callback_count_);
-    }
-    int callback_count_ = 0;
-    std::string last_codec_name_;
-  };
-
-  void UtilizeFallbackEncoder();
-  void FallbackFromEncodeRequest();
-  void EncodeFrame();
-  void CheckLastEncoderName(const char* expected_name) {
-    EXPECT_STREQ(expected_name, callback_.last_codec_name_.c_str());
-  }
-
-  FakeEncodedImageCallback callback_;
-  CountingFakeEncoder fake_encoder_;
-  VideoEncoderSoftwareFallbackWrapper fallback_wrapper_;
-  VideoCodec codec_ = {};
-  std::unique_ptr<VideoFrame> frame_;
-};
-
-void VideoEncoderSoftwareFallbackWrapperTest::EncodeFrame() {
-  rtc::scoped_refptr<I420Buffer> buffer = I420Buffer::Create(
-      kWidth, kHeight, kWidth, (kWidth + 1) / 2, (kWidth + 1) / 2);
-  buffer->SetToBlack();
-  std::vector<FrameType> types(1, kVideoFrameKey);
-
-  frame_.reset(new VideoFrame(buffer, 0, 0, webrtc::kVideoRotation_0));
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
-            fallback_wrapper_.Encode(*frame_, nullptr, &types));
-}
-
-void VideoEncoderSoftwareFallbackWrapperTest::UtilizeFallbackEncoder() {
-  fallback_wrapper_.RegisterEncodeCompleteCallback(&callback_);
-  EXPECT_EQ(&callback_, fake_encoder_.encode_complete_callback_);
-
-  // Register with failing fake encoder. Should succeed with VP8 fallback.
-  codec_.codecType = kVideoCodecVP8;
-  codec_.maxFramerate = 30;
-  codec_.width = kWidth;
-  codec_.height = kHeight;
-  fake_encoder_.init_encode_return_code_ = WEBRTC_VIDEO_CODEC_ERROR;
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
-            fallback_wrapper_.InitEncode(&codec_, 2, kMaxPayloadSize));
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.SetRates(300, 30));
-
-  int callback_count = callback_.callback_count_;
-  int encode_count = fake_encoder_.encode_count_;
-  EncodeFrame();
-  EXPECT_EQ(encode_count, fake_encoder_.encode_count_);
-  EXPECT_EQ(callback_count + 1, callback_.callback_count_);
-}
-
-void VideoEncoderSoftwareFallbackWrapperTest::FallbackFromEncodeRequest() {
-  fallback_wrapper_.RegisterEncodeCompleteCallback(&callback_);
-  codec_.codecType = kVideoCodecVP8;
-  codec_.maxFramerate = 30;
-  codec_.width = kWidth;
-  codec_.height = kHeight;
-  fallback_wrapper_.InitEncode(&codec_, 2, kMaxPayloadSize);
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.SetRates(300, 30));
-  EXPECT_EQ(1, fake_encoder_.init_encode_count_);
-
-  // Have the non-fallback encoder request a software fallback.
-  fake_encoder_.encode_return_code_ = WEBRTC_VIDEO_CODEC_FALLBACK_SOFTWARE;
-  int callback_count = callback_.callback_count_;
-  int encode_count = fake_encoder_.encode_count_;
-  EncodeFrame();
-  // Single encode request, which returned failure.
-  EXPECT_EQ(encode_count + 1, fake_encoder_.encode_count_);
-  EXPECT_EQ(callback_count + 1, callback_.callback_count_);
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest, InitializesEncoder) {
-  VideoCodec codec = {};
-  fallback_wrapper_.InitEncode(&codec, 2, kMaxPayloadSize);
-  EXPECT_EQ(1, fake_encoder_.init_encode_count_);
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest, EncodeRequestsFallback) {
-  FallbackFromEncodeRequest();
-  // After fallback, further encodes shouldn't hit the fake encoder.
-  int encode_count = fake_encoder_.encode_count_;
-  EncodeFrame();
-  EXPECT_EQ(encode_count, fake_encoder_.encode_count_);
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest, CanUtilizeFallbackEncoder) {
-  UtilizeFallbackEncoder();
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release());
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       InternalEncoderReleasedDuringFallback) {
-  EXPECT_EQ(0, fake_encoder_.release_count_);
-  UtilizeFallbackEncoder();
-  EXPECT_EQ(1, fake_encoder_.release_count_);
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release());
-  // No extra release when the fallback is released.
-  EXPECT_EQ(1, fake_encoder_.release_count_);
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       InternalEncoderNotEncodingDuringFallback) {
-  UtilizeFallbackEncoder();
-  int encode_count = fake_encoder_.encode_count_;
-  EncodeFrame();
-  EXPECT_EQ(encode_count, fake_encoder_.encode_count_);
-
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release());
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       CanRegisterCallbackWhileUsingFallbackEncoder) {
-  UtilizeFallbackEncoder();
-  // Registering an encode-complete callback should still work when fallback
-  // encoder is being used.
-  FakeEncodedImageCallback callback2;
-  fallback_wrapper_.RegisterEncodeCompleteCallback(&callback2);
-  EXPECT_EQ(&callback2, fake_encoder_.encode_complete_callback_);
-
-  // Encoding a frame using the fallback should arrive at the new callback.
-  std::vector<FrameType> types(1, kVideoFrameKey);
-  frame_->set_timestamp(frame_->timestamp() + 1000);
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
-            fallback_wrapper_.Encode(*frame_, nullptr, &types));
-
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release());
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       SetChannelParametersForwardedDuringFallback) {
-  UtilizeFallbackEncoder();
-  EXPECT_EQ(0, fake_encoder_.set_channel_parameters_count_);
-  fallback_wrapper_.SetChannelParameters(1, 1);
-  EXPECT_EQ(1, fake_encoder_.set_channel_parameters_count_);
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release());
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       SetRatesForwardedDuringFallback) {
-  UtilizeFallbackEncoder();
-  EXPECT_EQ(1, fake_encoder_.set_rates_count_);
-  fallback_wrapper_.SetRates(1, 1);
-  EXPECT_EQ(2, fake_encoder_.set_rates_count_);
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release());
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       OnDroppedFrameForwardedWithoutFallback) {
-  fallback_wrapper_.OnDroppedFrame();
-  EXPECT_EQ(1, fake_encoder_.on_dropped_frame_count_);
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       OnDroppedFrameNotForwardedDuringFallback) {
-  UtilizeFallbackEncoder();
-  fallback_wrapper_.OnDroppedFrame();
-  EXPECT_EQ(0, fake_encoder_.on_dropped_frame_count_);
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release());
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       SupportsNativeHandleForwardedWithoutFallback) {
-  fallback_wrapper_.SupportsNativeHandle();
-  EXPECT_EQ(1, fake_encoder_.supports_native_handle_count_);
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       SupportsNativeHandleNotForwardedDuringFallback) {
-  UtilizeFallbackEncoder();
-  fallback_wrapper_.SupportsNativeHandle();
-  EXPECT_EQ(0, fake_encoder_.supports_native_handle_count_);
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, fallback_wrapper_.Release());
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest, ReportsImplementationName) {
-  VideoCodec codec = {};
-  fallback_wrapper_.RegisterEncodeCompleteCallback(&callback_);
-  fallback_wrapper_.InitEncode(&codec, 2, kMaxPayloadSize);
-  EncodeFrame();
-  CheckLastEncoderName("fake-encoder");
-}
-
-TEST_F(VideoEncoderSoftwareFallbackWrapperTest,
-       ReportsFallbackImplementationName) {
-  UtilizeFallbackEncoder();
-  // Hard coded expected value since libvpx is the software implementation name
-  // for VP8. Change accordingly if the underlying implementation does.
-  CheckLastEncoderName("libvpx");
-}
-
-}  // namespace webrtc