1 files changed, 140 insertions, 0 deletions
diff --git a/third_party/aom/test/postproc_filters_test.cc b/third_party/aom/test/postproc_filters_test.cc
new file mode 100644
index 0000000000..9584dd8c35
--- /dev/null
+++ b/third_party/aom/test/postproc_filters_test.cc
@@ -0,0 +1,140 @@
+/*
+ * Copyright (c) 2022, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <memory>
+#include <string>
+#include <utility>
+#include <vector>
+
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/md5_helper.h"
+#include "test/util.h"
+#include "test/yuv_video_source.h"
+
+namespace {
+
+class PostprocFiltersTest
+    : public ::libaom_test::CodecTestWith2Params<int, unsigned int>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  PostprocFiltersTest()
+      : EncoderTest(GET_PARAM(0)), set_skip_postproc_filtering_(false),
+        frame_number_(0), cpu_used_(GET_PARAM(1)), bd_(GET_PARAM(2)) {}
+
+  void SetUp() override {
+    InitializeConfig(::libaom_test::kAllIntra);
+    cfg_.g_input_bit_depth = bd_;
+  }
+
+  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                          ::libaom_test::Encoder *encoder) override {
+    frame_number_ = video->frame();
+    if (frame_number_ == 0) {
+      encoder->Control(AOME_SET_CPUUSED, cpu_used_);
+      encoder->Control(AOME_SET_CQ_LEVEL, kCqLevel);
+    }
+    if (set_skip_postproc_filtering_) {
+      if (frame_number_ == 0) {
+        encoder->Control(AV1E_SET_SKIP_POSTPROC_FILTERING, 1);
+      } else if (frame_number_ == 10) {
+        encoder->Control(AV1E_SET_SKIP_POSTPROC_FILTERING, 0);
+      } else if (frame_number_ == 20) {
+        encoder->Control(AV1E_SET_SKIP_POSTPROC_FILTERING, 1);
+      }
+    }
+  }
+
+  void FramePktHook(const aom_codec_cx_pkt_t *pkt) override {
+    ::libaom_test::MD5 md5_enc;
+    md5_enc.Add(reinterpret_cast<uint8_t *>(pkt->data.frame.buf),
+                pkt->data.frame.sz);
+    md5_enc_.push_back(md5_enc.Get());
+  }
+
+  void PostEncodeFrameHook(::libaom_test::Encoder *encoder) override {
+    const aom_image_t *img_enc = encoder->GetPreviewFrame();
+    if (!set_skip_postproc_filtering_) {
+      ASSERT_NE(img_enc, nullptr);
+    } else {
+      // Null will be returned if we query the reconstructed frame when
+      // AV1E_SET_SKIP_POSTPROC_FILTERING is set to 1.
+      if (frame_number_ < 10) {
+        ASSERT_EQ(img_enc, nullptr);
+      } else if (frame_number_ < 20) {
+        // Reconstructed frame cannot be null when
+        // AV1E_SET_SKIP_POSTPROC_FILTERING is set to 0.
+        ASSERT_NE(img_enc, nullptr);
+      } else {
+        ASSERT_EQ(img_enc, nullptr);
+      }
+    }
+  }
+
+  // The encoder config flag 'AV1E_SET_SKIP_POSTPROC_FILTERING' can be used to
+  // skip the application of post-processing filters on reconstructed frame for
+  // ALLINTRA encode. This unit-test validates the bit exactness of 2 encoded
+  // streams with 'AV1E_SET_SKIP_POSTPROC_FILTERING':
+  // 1. disabled for all frames (default case)
+  // 2. enabled and disabled at different frame indices using control calls.
+  void DoTest() {
+    std::unique_ptr<libaom_test::VideoSource> video(
+        new libaom_test::YUVVideoSource("niklas_640_480_30.yuv",
+                                        AOM_IMG_FMT_I420, 640, 480, 30, 1, 0,
+                                        kFrames));
+    ASSERT_NE(video, nullptr);
+
+    // First encode: 'AV1E_SET_SKIP_POSTPROC_FILTERING' disabled for all frames
+    // (default case).
+    set_skip_postproc_filtering_ = false;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
+    std::vector<std::string> apply_postproc_filters_md5_enc =
+        std::move(md5_enc_);
+    md5_enc_.clear();
+
+    // Second encode: 'AV1E_SET_SKIP_POSTPROC_FILTERING' enabled and disabled at
+    // different frame intervals.
+    set_skip_postproc_filtering_ = true;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));
+    std::vector<std::string> toggle_apply_postproc_filters_md5_enc =
+        std::move(md5_enc_);
+    md5_enc_.clear();
+
+    // Check for bit match.
+    ASSERT_EQ(apply_postproc_filters_md5_enc,
+              toggle_apply_postproc_filters_md5_enc);
+  }
+
+  bool set_skip_postproc_filtering_;
+  unsigned int frame_number_;
+  std::vector<std::string> md5_enc_;
+
+ private:
+  static constexpr int kFrames = 30;
+  static constexpr unsigned int kCqLevel = 18;
+  int cpu_used_;
+  unsigned int bd_;
+};
+
+class PostprocFiltersTestLarge : public PostprocFiltersTest {};
+
+TEST_P(PostprocFiltersTest, MD5Match) { DoTest(); }
+
+TEST_P(PostprocFiltersTestLarge, MD5Match) { DoTest(); }
+
+AV1_INSTANTIATE_TEST_SUITE(PostprocFiltersTest, ::testing::Values(9),
+                           ::testing::Values(8, 10));
+
+// Test cpu_used 3 and 6.
+AV1_INSTANTIATE_TEST_SUITE(PostprocFiltersTestLarge, ::testing::Values(3, 6),
+                           ::testing::Values(8, 10));
+
+}  // namespace