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, 188 insertions, 0 deletions

diff --git a/third_party/aom/test/ethread_test.cc b/third_party/aom/test/ethread_test.cc
new file mode 100644
index 000000000..5b519f8fe
--- /dev/null
+++ b/third_party/aom/test/ethread_test.cc
@@ -0,0 +1,188 @@
+/*
+ * 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 <string>
+#include <vector>
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/md5_helper.h"
+#include "test/util.h"
+#include "test/y4m_video_source.h"
+
+namespace {
+class AVxEncoderThreadTest
+    : public ::libaom_test::EncoderTest,
+      public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode, int> {
+ protected:
+  AVxEncoderThreadTest()
+      : EncoderTest(GET_PARAM(0)), encoder_initialized_(false),
+        encoding_mode_(GET_PARAM(1)), set_cpu_used_(GET_PARAM(2)) {
+    init_flags_ = AOM_CODEC_USE_PSNR;
+    aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
+    cfg.w = 1280;
+    cfg.h = 720;
+    decoder_ = codec_->CreateDecoder(cfg, 0);
+#if CONFIG_AV1 && CONFIG_EXT_TILE
+    if (decoder_->IsAV1()) {
+      decoder_->Control(AV1_SET_DECODE_TILE_ROW, -1);
+      decoder_->Control(AV1_SET_DECODE_TILE_COL, -1);
+    }
+#endif
+
+    size_enc_.clear();
+    md5_dec_.clear();
+    md5_enc_.clear();
+  }
+  virtual ~AVxEncoderThreadTest() { delete decoder_; }
+
+  virtual void SetUp() {
+    InitializeConfig();
+    SetMode(encoding_mode_);
+
+    if (encoding_mode_ != ::libaom_test::kRealTime) {
+      cfg_.g_lag_in_frames = 3;
+      cfg_.rc_end_usage = AOM_VBR;
+      cfg_.rc_2pass_vbr_minsection_pct = 5;
+      cfg_.rc_2pass_vbr_maxsection_pct = 2000;
+    } else {
+      cfg_.g_lag_in_frames = 0;
+      cfg_.rc_end_usage = AOM_CBR;
+      cfg_.g_error_resilient = 1;
+    }
+    cfg_.rc_max_quantizer = 56;
+    cfg_.rc_min_quantizer = 0;
+  }
+
+  virtual void BeginPassHook(unsigned int /*pass*/) {
+    encoder_initialized_ = false;
+  }
+
+  virtual void PreEncodeFrameHook(::libaom_test::VideoSource * /*video*/,
+                                  ::libaom_test::Encoder *encoder) {
+    if (!encoder_initialized_) {
+#if CONFIG_AV1 && CONFIG_EXT_TILE
+      encoder->Control(AV1E_SET_TILE_COLUMNS, 1);
+      if (codec_ == &libaom_test::kAV1) {
+        // TODO(geza): Start using multiple tile rows when the multi-threaded
+        // encoder can handle them
+        encoder->Control(AV1E_SET_TILE_ROWS, 32);
+      } else {
+        encoder->Control(AV1E_SET_TILE_ROWS, 0);
+      }
+#else
+      // Encode 4 tile columns.
+      encoder->Control(AV1E_SET_TILE_COLUMNS, 2);
+      encoder->Control(AV1E_SET_TILE_ROWS, 0);
+#endif  // CONFIG_AV1 && CONFIG_EXT_TILE
+#if CONFIG_LOOPFILTERING_ACROSS_TILES
+      encoder->Control(AV1E_SET_TILE_LOOPFILTER, 0);
+#endif  // CONFIG_LOOPFILTERING_ACROSS_TILES
+      encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
+      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);
+        encoder->Control(AV1E_SET_FRAME_PARALLEL_DECODING, 0);
+      } else {
+        encoder->Control(AOME_SET_ENABLEAUTOALTREF, 0);
+        encoder->Control(AV1E_SET_AQ_MODE, 3);
+      }
+      encoder_initialized_ = true;
+    }
+  }
+
+  virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
+    size_enc_.push_back(pkt->data.frame.sz);
+
+    ::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());
+
+    const aom_codec_err_t res = decoder_->DecodeFrame(
+        reinterpret_cast<uint8_t *>(pkt->data.frame.buf), pkt->data.frame.sz);
+    if (res != AOM_CODEC_OK) {
+      abort_ = true;
+      ASSERT_EQ(AOM_CODEC_OK, res);
+    }
+    const aom_image_t *img = decoder_->GetDxData().Next();
+
+    if (img) {
+      ::libaom_test::MD5 md5_res;
+      md5_res.Add(img);
+      md5_dec_.push_back(md5_res.Get());
+    }
+  }
+
+  void DoTest() {
+    ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 15, 18);
+    cfg_.rc_target_bitrate = 1000;
+
+    // Encode using single thread.
+    cfg_.g_threads = 1;
+    init_flags_ = AOM_CODEC_USE_PSNR;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    std::vector<size_t> single_thr_size_enc;
+    std::vector<std::string> single_thr_md5_enc;
+    std::vector<std::string> single_thr_md5_dec;
+    single_thr_size_enc = size_enc_;
+    single_thr_md5_enc = md5_enc_;
+    single_thr_md5_dec = md5_dec_;
+    size_enc_.clear();
+    md5_enc_.clear();
+    md5_dec_.clear();
+
+    // Encode using multiple threads.
+    cfg_.g_threads = 4;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    std::vector<size_t> multi_thr_size_enc;
+    std::vector<std::string> multi_thr_md5_enc;
+    std::vector<std::string> multi_thr_md5_dec;
+    multi_thr_size_enc = size_enc_;
+    multi_thr_md5_enc = md5_enc_;
+    multi_thr_md5_dec = md5_dec_;
+    size_enc_.clear();
+    md5_enc_.clear();
+    md5_dec_.clear();
+
+    // Check that the vectors are equal.
+    ASSERT_EQ(single_thr_size_enc, multi_thr_size_enc);
+    ASSERT_EQ(single_thr_md5_enc, multi_thr_md5_enc);
+    ASSERT_EQ(single_thr_md5_dec, multi_thr_md5_dec);
+  }
+
+  bool encoder_initialized_;
+  ::libaom_test::TestMode encoding_mode_;
+  int set_cpu_used_;
+  ::libaom_test::Decoder *decoder_;
+  std::vector<size_t> size_enc_;
+  std::vector<std::string> md5_enc_;
+  std::vector<std::string> md5_dec_;
+};
+
+TEST_P(AVxEncoderThreadTest, EncoderResultTest) { DoTest(); }
+
+class AVxEncoderThreadTestLarge : public AVxEncoderThreadTest {};
+
+TEST_P(AVxEncoderThreadTestLarge, EncoderResultTest) { DoTest(); }
+
+// For AV1, only test speed 0 to 3.
+AV1_INSTANTIATE_TEST_CASE(AVxEncoderThreadTest,
+                          ::testing::Values(::libaom_test::kTwoPassGood,
+                                            ::libaom_test::kOnePassGood),
+                          ::testing::Range(2, 4));
+
+AV1_INSTANTIATE_TEST_CASE(AVxEncoderThreadTestLarge,
+                          ::testing::Values(::libaom_test::kTwoPassGood,
+                                            ::libaom_test::kOnePassGood),
+                          ::testing::Range(0, 2));
+}  // namespace