Delete all of the video_processing module but the denoiser code.

webrtc/modules/video_processing/test/video_processing_unittest.cc

Index: webrtc/modules/video_processing/test/video_processing_unittest.cc
diff --git a/webrtc/modules/video_processing/test/video_processing_unittest.cc b/webrtc/modules/video_processing/test/video_processing_unittest.cc
deleted file mode 100644
index b40b7c0ef76bf5648a891394a12979dfb3b96e32..0000000000000000000000000000000000000000
--- a/webrtc/modules/video_processing/test/video_processing_unittest.cc
+++ /dev/null
@@ -1,289 +0,0 @@
-/*
- *  Copyright (c) 2012 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/modules/video_processing/test/video_processing_unittest.h"
-
-#include <gflags/gflags.h>
-
-#include <memory>
-#include <string>
-
-#include "webrtc/base/keep_ref_until_done.h"
-#include "webrtc/base/timeutils.h"
-#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
-#include "webrtc/test/frame_utils.h"
-#include "webrtc/test/testsupport/fileutils.h"
-
-namespace webrtc {
-
-namespace {
-
-// Define command line flag 'gen_files' (default value: false).
-DEFINE_bool(gen_files, false, "Output files for visual inspection.");
-
-}  // namespace
-
-static void PreprocessFrameAndVerify(const VideoFrame& source,
-                                     int target_width,
-                                     int target_height,
-                                     VideoProcessing* vpm,
-                                     const VideoFrame** out_frame);
-static rtc::scoped_refptr<VideoFrameBuffer> CropBuffer(
-    rtc::scoped_refptr<VideoFrameBuffer> source_buffer,
-    int offset_x,
-    int offset_y,
-    int cropped_width,
-    int cropped_height);
-// The |source_data| is cropped and scaled to |target_width| x |target_height|,
-// and then scaled back to the expected cropped size. |expected_psnr| is used to
-// verify basic quality, and is set to be ~0.1/0.05dB lower than actual PSNR
-// verified under the same conditions.
-static void TestSize(
-    const VideoFrame& source_frame,
-    const VideoFrameBuffer& cropped_source_buffer,
-    int target_width,
-    int target_height,
-    double expected_psnr,
-    VideoProcessing* vpm);
-static void WriteProcessedFrameForVisualInspection(const VideoFrame& source,
-                                                   const VideoFrame& processed);
-
-VideoProcessingTest::VideoProcessingTest()
-    : vp_(NULL),
-      source_file_(NULL),
-      width_(352),
-      half_width_((width_ + 1) / 2),
-      height_(288),
-      size_y_(width_ * height_),
-      size_uv_(half_width_ * ((height_ + 1) / 2)),
-      frame_length_(CalcBufferSize(kI420, width_, height_)) {}
-
-void VideoProcessingTest::SetUp() {
-  vp_ = VideoProcessing::Create();
-  ASSERT_TRUE(vp_ != NULL);
-
-  const std::string video_file =
-      webrtc::test::ResourcePath("foreman_cif", "yuv");
-  source_file_ = fopen(video_file.c_str(), "rb");
-  ASSERT_TRUE(source_file_ != NULL)
-      << "Cannot read source file: " + video_file + "\n";
-}
-
-void VideoProcessingTest::TearDown() {
-  if (source_file_ != NULL) {
-    ASSERT_EQ(0, fclose(source_file_));
-  }
-  source_file_ = NULL;
-  delete vp_;
-  vp_ = NULL;
-}
-
-#if defined(WEBRTC_IOS)
-TEST_F(VideoProcessingTest, DISABLED_PreprocessorLogic) {
-#else
-TEST_F(VideoProcessingTest, PreprocessorLogic) {
-#endif
-  // Disable temporal sampling (frame dropping).
-  vp_->EnableTemporalDecimation(false);
-  int resolution = 100;
-  EXPECT_EQ(VPM_OK, vp_->SetTargetResolution(resolution, resolution, 15));
-  EXPECT_EQ(VPM_OK, vp_->SetTargetResolution(resolution, resolution, 30));
-  // Disable spatial sampling.
-  vp_->SetInputFrameResampleMode(kNoRescaling);
-  EXPECT_EQ(VPM_OK, vp_->SetTargetResolution(resolution, resolution, 30));
-  const VideoFrame* out_frame = NULL;
-  // Set rescaling => output frame != NULL.
-  vp_->SetInputFrameResampleMode(kFastRescaling);
-
-  rtc::scoped_refptr<webrtc::I420Buffer> buffer =
-      I420Buffer::Create(width_, height_, width_, half_width_, half_width_);
-
-  // Clear video frame so DrMemory/Valgrind will allow reads of the buffer.
-  buffer->InitializeData();
-  VideoFrame video_frame(buffer, 0, 0, webrtc::kVideoRotation_0);
-
-  PreprocessFrameAndVerify(video_frame, resolution, resolution, vp_,
-                           &out_frame);
-  // No rescaling=> output frame = NULL.
-  vp_->SetInputFrameResampleMode(kNoRescaling);
-  EXPECT_TRUE(vp_->PreprocessFrame(video_frame) != nullptr);
-}
-
-#if defined(WEBRTC_IOS)
-TEST_F(VideoProcessingTest, DISABLED_Resampler) {
-#else
-TEST_F(VideoProcessingTest, Resampler) {
-#endif
-  enum { NumRuns = 1 };
-
-  int64_t min_runtime = 0;
-  int64_t total_runtime = 0;
-
-  rewind(source_file_);
-  ASSERT_TRUE(source_file_ != NULL) << "Cannot read input file \n";
-
-  // no temporal decimation
-  vp_->EnableTemporalDecimation(false);
-
-  // Reading test frame
-  rtc::scoped_refptr<VideoFrameBuffer> video_buffer(
-      test::ReadI420Buffer(width_, height_, source_file_));
-  ASSERT_TRUE(video_buffer);
-
-  for (uint32_t run_idx = 0; run_idx < NumRuns; run_idx++) {
-    // Initiate test timer.
-    const int64_t time_start = rtc::TimeNanos();
-
-    // Init the sourceFrame with a timestamp.
-    int64_t time_start_ms = time_start / rtc::kNumNanosecsPerMillisec;
-    VideoFrame video_frame(video_buffer, time_start_ms * 90, time_start_ms,
-                           webrtc::kVideoRotation_0);
-
-    // Test scaling to different sizes: source is of |width|/|height| = 352/288.
-    // Pure scaling:
-    TestSize(video_frame, *video_buffer, width_ / 4, height_ / 4, 25.2, vp_);
-    TestSize(video_frame, *video_buffer, width_ / 2, height_ / 2, 28.1, vp_);
-    // No resampling:
-    TestSize(video_frame, *video_buffer, width_, height_, -1, vp_);
-    TestSize(video_frame, *video_buffer, 2 * width_, 2 * height_, 32.2, vp_);
-
-    // Scaling and cropping. The cropped source frame is the largest center
-    // aligned region that can be used from the source while preserving aspect
-    // ratio.
-    TestSize(video_frame, *CropBuffer(video_buffer, 0, 56, 352, 176),
-             100, 50, 24.0, vp_);
-    TestSize(video_frame, *CropBuffer(video_buffer, 0, 30, 352, 225),
-             400, 256, 31.3, vp_);
-    TestSize(video_frame, *CropBuffer(video_buffer, 68, 0, 216, 288),
-             480, 640, 32.15, vp_);
-    TestSize(video_frame, *CropBuffer(video_buffer, 0, 12, 352, 264),
-             960, 720, 32.2, vp_);
-    TestSize(video_frame, *CropBuffer(video_buffer, 0, 44, 352, 198),
-             1280, 720, 32.15, vp_);
-
-    // Upsampling to odd size.
-    TestSize(video_frame, *CropBuffer(video_buffer, 0, 26, 352, 233),
-             501, 333, 32.05, vp_);
-    // Downsample to odd size.
-    TestSize(video_frame, *CropBuffer(video_buffer, 0, 34, 352, 219),
-             281, 175, 29.3, vp_);
-
-    // Stop timer.
-    const int64_t runtime =
-        (rtc::TimeNanos() - time_start) / rtc::kNumNanosecsPerMicrosec;
-    if (runtime < min_runtime || run_idx == 0) {
-      min_runtime = runtime;
-    }
-    total_runtime += runtime;
-  }
-
-  printf("\nAverage run time = %d us / frame\n",
-         static_cast<int>(total_runtime));
-  printf("Min run time = %d us / frame\n\n", static_cast<int>(min_runtime));
-}
-
-void PreprocessFrameAndVerify(const VideoFrame& source,
-                              int target_width,
-                              int target_height,
-                              VideoProcessing* vpm,
-                              const VideoFrame** out_frame) {
-  ASSERT_EQ(VPM_OK, vpm->SetTargetResolution(target_width, target_height, 30));
-  *out_frame = vpm->PreprocessFrame(source);
-  EXPECT_TRUE(*out_frame != nullptr);
-
-  // If no resizing is needed, expect the original frame.
-  if (target_width == source.width() && target_height == source.height()) {
-    EXPECT_EQ(&source, *out_frame);
-    return;
-  }
-
-  // Verify the resampled frame.
-  EXPECT_EQ(source.render_time_ms(), (*out_frame)->render_time_ms());
-  EXPECT_EQ(source.timestamp(), (*out_frame)->timestamp());
-  EXPECT_EQ(target_width, (*out_frame)->width());
-  EXPECT_EQ(target_height, (*out_frame)->height());
-}
-
-rtc::scoped_refptr<VideoFrameBuffer> CropBuffer(
-    rtc::scoped_refptr<VideoFrameBuffer> source_buffer,
-    int offset_x,
-    int offset_y,
-    int cropped_width,
-    int cropped_height) {
-  // Force even.
-  offset_x &= ~1;
-  offset_y &= ~1;
-
-  size_t y_start = offset_x + offset_y * source_buffer->StrideY();
-  size_t u_start = (offset_x / 2) + (offset_y / 2) * source_buffer->StrideU();
-  size_t v_start = (offset_x / 2) + (offset_y / 2) * source_buffer->StrideV();
-
-  return rtc::scoped_refptr<VideoFrameBuffer>(
-      new rtc::RefCountedObject<WrappedI420Buffer>(
-          cropped_width, cropped_height, source_buffer->DataY() + y_start,
-          source_buffer->StrideY(), source_buffer->DataU() + u_start,
-          source_buffer->StrideU(), source_buffer->DataV() + v_start,
-          source_buffer->StrideV(), rtc::KeepRefUntilDone(source_buffer)));
-}
-
-void TestSize(const VideoFrame& source_frame,
-              const VideoFrameBuffer& cropped_source,
-              int target_width,
-              int target_height,
-              double expected_psnr,
-              VideoProcessing* vpm) {
-  // Resample source_frame to out_frame.
-  const VideoFrame* out_frame = NULL;
-  vpm->SetInputFrameResampleMode(kBox);
-  PreprocessFrameAndVerify(source_frame, target_width, target_height, vpm,
-                           &out_frame);
-  if (out_frame == NULL)
-    return;
-  WriteProcessedFrameForVisualInspection(source_frame, *out_frame);
-
-  // Scale |resampled_source_frame| back to the source scale.
-  VideoFrame resampled_source_frame(*out_frame);
-  // Compute PSNR against the cropped source frame and check expectation.
-  PreprocessFrameAndVerify(resampled_source_frame,
-                           cropped_source.width(),
-                           cropped_source.height(), vpm, &out_frame);
-  WriteProcessedFrameForVisualInspection(resampled_source_frame, *out_frame);
-
-  // Compute PSNR against the cropped source frame and check expectation.
-  double psnr =
-      I420PSNR(cropped_source, *out_frame->video_frame_buffer());
-  EXPECT_GT(psnr, expected_psnr);
-  printf(
-      "PSNR: %f. PSNR is between source of size %d %d, and a modified "
-      "source which is scaled down/up to: %d %d, and back to source size \n",
-      psnr, source_frame.width(), source_frame.height(), target_width,
-      target_height);
-}
-
-void WriteProcessedFrameForVisualInspection(const VideoFrame& source,
-                                            const VideoFrame& processed) {
-  // Skip if writing to files is not enabled.
-  if (!FLAGS_gen_files)
-    return;
-  // Write the processed frame to file for visual inspection.
-  std::ostringstream filename;
-  filename << webrtc::test::OutputPath() << "Resampler_from_" << source.width()
-           << "x" << source.height() << "_to_" << processed.width() << "x"
-           << processed.height() << "_30Hz_P420.yuv";
-  std::cout << "Watch " << filename.str() << " and verify that it is okay."
-            << std::endl;
-  FILE* stand_alone_file = fopen(filename.str().c_str(), "wb");
-  if (PrintVideoFrame(processed, stand_alone_file) < 0)
-    std::cerr << "Failed to write: " << filename.str() << std::endl;
-  if (stand_alone_file)
-    fclose(stand_alone_file);
-}
-
-}  // namespace webrtc