Import aom library

This is the reference implementation for the Alliance for Open Media's av1 video code.

The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36.

1 files changed, 180 insertions, 0 deletions

diff --git a/third_party/aom/test/cpu_speed_test.cc b/third_party/aom/test/cpu_speed_test.cc
new file mode 100644
index 000000000..9b7966462
--- /dev/null
+++ b/third_party/aom/test/cpu_speed_test.cc
@@ -0,0 +1,180 @@
+/*
+ * Copyright (c) 2016, 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 "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/util.h"
+#include "test/y4m_video_source.h"
+
+namespace {
+
+const int kMaxPSNR = 100;
+
+class CpuSpeedTest
+    : public ::libaom_test::EncoderTest,
+      public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int> {
+ protected:
+  CpuSpeedTest()
+      : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
+        set_cpu_used_(GET_PARAM(2)), min_psnr_(kMaxPSNR),
+        tune_content_(AOM_CONTENT_DEFAULT) {}
+  virtual ~CpuSpeedTest() {}
+
+  virtual void SetUp() {
+    InitializeConfig();
+    SetMode(encoding_mode_);
+    if (encoding_mode_ != ::libaom_test::kRealTime) {
+      cfg_.g_lag_in_frames = 25;
+      cfg_.rc_end_usage = AOM_VBR;
+    } else {
+      cfg_.g_lag_in_frames = 0;
+      cfg_.rc_end_usage = AOM_CBR;
+    }
+  }
+
+  virtual void BeginPassHook(unsigned int /*pass*/) { min_psnr_ = kMaxPSNR; }
+
+  virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                                  ::libaom_test::Encoder *encoder) {
+    if (video->frame() == 1) {
+      encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
+      encoder->Control(AV1E_SET_TUNE_CONTENT, tune_content_);
+      if (encoding_mode_ != ::libaom_test::kRealTime) {
+        encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
+        encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
+        encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
+      }
+    }
+  }
+
+  virtual void PSNRPktHook(const aom_codec_cx_pkt_t *pkt) {
+    if (pkt->data.psnr.psnr[0] < min_psnr_) min_psnr_ = pkt->data.psnr.psnr[0];
+  }
+
+  void TestQ0();
+  void TestScreencastQ0();
+  void TestTuneScreen();
+  void TestEncodeHighBitrate();
+  void TestLowBitrate();
+
+  ::libaom_test::TestMode encoding_mode_;
+  int set_cpu_used_;
+  double min_psnr_;
+  int tune_content_;
+};
+
+void CpuSpeedTest::TestQ0() {
+  // Validate that this non multiple of 64 wide clip encodes and decodes
+  // without a mismatch when passing in a very low max q.  This pushes
+  // the encoder to producing lots of big partitions which will likely
+  // extend into the border and test the border condition.
+  cfg_.rc_2pass_vbr_minsection_pct = 5;
+  cfg_.rc_2pass_vbr_maxsection_pct = 2000;
+  cfg_.rc_target_bitrate = 400;
+  cfg_.rc_max_quantizer = 0;
+  cfg_.rc_min_quantizer = 0;
+
+  ::libaom_test::I420VideoSource video("hantro_odd.yuv", 208, 144, 30, 1, 0,
+                                       10);
+
+  init_flags_ = AOM_CODEC_USE_PSNR;
+
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  EXPECT_GE(min_psnr_, kMaxPSNR);
+}
+
+void CpuSpeedTest::TestScreencastQ0() {
+  ::libaom_test::Y4mVideoSource video("screendata.y4m", 0, 10);
+  cfg_.g_timebase = video.timebase();
+  cfg_.rc_2pass_vbr_minsection_pct = 5;
+  cfg_.rc_2pass_vbr_maxsection_pct = 2000;
+  cfg_.rc_target_bitrate = 400;
+  cfg_.rc_max_quantizer = 0;
+  cfg_.rc_min_quantizer = 0;
+
+  init_flags_ = AOM_CODEC_USE_PSNR;
+
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  EXPECT_GE(min_psnr_, kMaxPSNR);
+}
+
+void CpuSpeedTest::TestTuneScreen() {
+  ::libaom_test::Y4mVideoSource video("screendata.y4m", 0, 10);
+  cfg_.g_timebase = video.timebase();
+  cfg_.rc_2pass_vbr_minsection_pct = 5;
+  cfg_.rc_2pass_vbr_minsection_pct = 2000;
+  cfg_.rc_target_bitrate = 2000;
+  cfg_.rc_max_quantizer = 63;
+  cfg_.rc_min_quantizer = 0;
+  tune_content_ = AOM_CONTENT_SCREEN;
+
+  init_flags_ = AOM_CODEC_USE_PSNR;
+
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+}
+
+void CpuSpeedTest::TestEncodeHighBitrate() {
+  // Validate that this non multiple of 64 wide clip encodes and decodes
+  // without a mismatch when passing in a very low max q.  This pushes
+  // the encoder to producing lots of big partitions which will likely
+  // extend into the border and test the border condition.
+  cfg_.rc_2pass_vbr_minsection_pct = 5;
+  cfg_.rc_2pass_vbr_maxsection_pct = 2000;
+  cfg_.rc_target_bitrate = 12000;
+  cfg_.rc_max_quantizer = 10;
+  cfg_.rc_min_quantizer = 0;
+
+  ::libaom_test::I420VideoSource video("hantro_odd.yuv", 208, 144, 30, 1, 0,
+                                       10);
+
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+}
+
+void CpuSpeedTest::TestLowBitrate() {
+  // Validate that this clip encodes and decodes without a mismatch
+  // when passing in a very high min q.  This pushes the encoder to producing
+  // lots of small partitions which might will test the other condition.
+  cfg_.rc_2pass_vbr_minsection_pct = 5;
+  cfg_.rc_2pass_vbr_maxsection_pct = 2000;
+  cfg_.rc_target_bitrate = 200;
+  cfg_.rc_min_quantizer = 40;
+
+  ::libaom_test::I420VideoSource video("hantro_odd.yuv", 208, 144, 30, 1, 0,
+                                       10);
+
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+}
+
+TEST_P(CpuSpeedTest, TestQ0) { TestQ0(); }
+TEST_P(CpuSpeedTest, TestScreencastQ0) { TestScreencastQ0(); }
+TEST_P(CpuSpeedTest, TestTuneScreen) { TestTuneScreen(); }
+TEST_P(CpuSpeedTest, TestEncodeHighBitrate) { TestEncodeHighBitrate(); }
+TEST_P(CpuSpeedTest, TestLowBitrate) { TestLowBitrate(); }
+
+class CpuSpeedTestLarge : public CpuSpeedTest {};
+
+TEST_P(CpuSpeedTestLarge, TestQ0) { TestQ0(); }
+TEST_P(CpuSpeedTestLarge, TestScreencastQ0) { TestScreencastQ0(); }
+TEST_P(CpuSpeedTestLarge, TestTuneScreen) { TestTuneScreen(); }
+TEST_P(CpuSpeedTestLarge, TestEncodeHighBitrate) { TestEncodeHighBitrate(); }
+TEST_P(CpuSpeedTestLarge, TestLowBitrate) { TestLowBitrate(); }
+
+AV1_INSTANTIATE_TEST_CASE(CpuSpeedTest,
+                          ::testing::Values(::libaom_test::kTwoPassGood,
+                                            ::libaom_test::kOnePassGood),
+                          ::testing::Range(1, 3));
+AV1_INSTANTIATE_TEST_CASE(CpuSpeedTestLarge,
+                          ::testing::Values(::libaom_test::kTwoPassGood,
+                                            ::libaom_test::kOnePassGood),
+                          ::testing::Range(0, 1));
+}  // namespace