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, 147 insertions, 0 deletions

diff --git a/third_party/aom/test/tile_independence_test.cc b/third_party/aom/test/tile_independence_test.cc
new file mode 100644
index 000000000..a29051f2f
--- /dev/null
+++ b/third_party/aom/test/tile_independence_test.cc
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+/*
+ * 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 <cstdio>
+#include <cstdlib>
+#include <string>
+#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/md5_helper.h"
+#include "aom_mem/aom_mem.h"
+
+namespace {
+class TileIndependenceTest
+    : public ::libaom_test::EncoderTest,
+      public ::libaom_test::CodecTestWith2Params<int, int> {
+ protected:
+  TileIndependenceTest()
+      : EncoderTest(GET_PARAM(0)), md5_fw_order_(), md5_inv_order_(),
+        n_tile_cols_(GET_PARAM(1)), n_tile_rows_(GET_PARAM(2)) {
+    init_flags_ = AOM_CODEC_USE_PSNR;
+    aom_codec_dec_cfg_t cfg = aom_codec_dec_cfg_t();
+    cfg.w = 704;
+    cfg.h = 144;
+    cfg.threads = 1;
+    fw_dec_ = codec_->CreateDecoder(cfg, 0);
+    inv_dec_ = codec_->CreateDecoder(cfg, 0);
+    inv_dec_->Control(AV1_INVERT_TILE_DECODE_ORDER, 1);
+
+#if CONFIG_AV1 && CONFIG_EXT_TILE
+    if (fw_dec_->IsAV1() && inv_dec_->IsAV1()) {
+      fw_dec_->Control(AV1_SET_DECODE_TILE_ROW, -1);
+      fw_dec_->Control(AV1_SET_DECODE_TILE_COL, -1);
+      inv_dec_->Control(AV1_SET_DECODE_TILE_ROW, -1);
+      inv_dec_->Control(AV1_SET_DECODE_TILE_COL, -1);
+    }
+#endif
+  }
+
+  virtual ~TileIndependenceTest() {
+    delete fw_dec_;
+    delete inv_dec_;
+  }
+
+  virtual void SetUp() {
+    InitializeConfig();
+    SetMode(libaom_test::kTwoPassGood);
+  }
+
+  virtual void PreEncodeFrameHook(libaom_test::VideoSource *video,
+                                  libaom_test::Encoder *encoder) {
+    if (video->frame() == 1) {
+      encoder->Control(AV1E_SET_TILE_COLUMNS, n_tile_cols_);
+      encoder->Control(AV1E_SET_TILE_ROWS, n_tile_rows_);
+#if CONFIG_EXT_TILE
+      encoder->Control(AV1E_SET_TILE_ENCODING_MODE, 0);  // TILE_NORMAL
+#endif                                                   // CONFIG_EXT_TILE
+#if CONFIG_LOOPFILTERING_ACROSS_TILES
+      encoder->Control(AV1E_SET_TILE_LOOPFILTER, 0);
+#endif  // CONFIG_LOOPFILTERING_ACROSS_TILES
+      SetCpuUsed(encoder);
+    }
+  }
+
+  virtual void SetCpuUsed(libaom_test::Encoder *encoder) {
+    static const int kCpuUsed = 3;
+    encoder->Control(AOME_SET_CPUUSED, kCpuUsed);
+  }
+
+  void UpdateMD5(::libaom_test::Decoder *dec, const aom_codec_cx_pkt_t *pkt,
+                 ::libaom_test::MD5 *md5) {
+    const aom_codec_err_t res = dec->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 = dec->GetDxData().Next();
+    md5->Add(img);
+  }
+
+  virtual void FramePktHook(const aom_codec_cx_pkt_t *pkt) {
+    UpdateMD5(fw_dec_, pkt, &md5_fw_order_);
+    UpdateMD5(inv_dec_, pkt, &md5_inv_order_);
+  }
+
+  void DoTest() {
+    const aom_rational timebase = { 33333333, 1000000000 };
+    cfg_.g_timebase = timebase;
+    cfg_.rc_target_bitrate = 500;
+    cfg_.g_lag_in_frames = 12;
+    cfg_.rc_end_usage = AOM_VBR;
+
+    libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 704, 576,
+                                       timebase.den, timebase.num, 0, 5);
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+    const char *md5_fw_str = md5_fw_order_.Get();
+    const char *md5_inv_str = md5_inv_order_.Get();
+    ASSERT_STREQ(md5_fw_str, md5_inv_str);
+  }
+
+  ::libaom_test::MD5 md5_fw_order_, md5_inv_order_;
+  ::libaom_test::Decoder *fw_dec_, *inv_dec_;
+
+ private:
+  int n_tile_cols_;
+  int n_tile_rows_;
+};
+
+// run an encode with 2 or 4 tiles, and do the decode both in normal and
+// inverted tile ordering. Ensure that the MD5 of the output in both cases
+// is identical. If so, tiles are considered independent and the test passes.
+TEST_P(TileIndependenceTest, MD5Match) { DoTest(); }
+
+class TileIndependenceTestLarge : public TileIndependenceTest {
+  virtual void SetCpuUsed(libaom_test::Encoder *encoder) {
+    static const int kCpuUsed = 0;
+    encoder->Control(AOME_SET_CPUUSED, kCpuUsed);
+  }
+};
+
+TEST_P(TileIndependenceTestLarge, MD5Match) { DoTest(); }
+
+#if CONFIG_EXT_TILE
+AV1_INSTANTIATE_TEST_CASE(TileIndependenceTest, ::testing::Values(1, 2, 32),
+                          ::testing::Values(1, 2, 32));
+AV1_INSTANTIATE_TEST_CASE(TileIndependenceTestLarge,
+                          ::testing::Values(1, 2, 32),
+                          ::testing::Values(1, 2, 32));
+#else
+AV1_INSTANTIATE_TEST_CASE(TileIndependenceTest, ::testing::Values(0, 1),
+                          ::testing::Values(0, 1));
+AV1_INSTANTIATE_TEST_CASE(TileIndependenceTestLarge, ::testing::Values(0, 1),
+                          ::testing::Values(0, 1));
+#endif  // CONFIG_EXT_TILE
+}  // namespace