1 files changed, 109 insertions, 0 deletions
diff --git a/third_party/aom/test/superframe_test.cc b/third_party/aom/test/superframe_test.cc
new file mode 100644
index 000000000..7be18f72a
--- /dev/null
+++ b/third_party/aom/test/superframe_test.cc
@@ -0,0 +1,109 @@
+/*
+ * 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 <climits>
+#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/i420_video_source.h"
+#include "test/util.h"
+
+namespace {
+
+const int kTestMode = 0;
+const int kTileCols = 1;
+const int kTileRows = 2;
+
+typedef ::testing::tuple<libaom_test::TestMode, int, int> SuperframeTestParam;
+
+class SuperframeTest
+    : public ::libaom_test::CodecTestWithParam<SuperframeTestParam>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  SuperframeTest() : EncoderTest(GET_PARAM(0)), last_sf_pts_(0) {}
+  virtual ~SuperframeTest() {}
+
+  virtual void SetUp() {
+    InitializeConfig();
+    const SuperframeTestParam input = GET_PARAM(1);
+    const libaom_test::TestMode mode = ::testing::get<kTestMode>(input);
+    SetMode(mode);
+    sf_count_ = 0;
+    sf_count_max_ = INT_MAX;
+    n_tile_cols_ = ::testing::get<kTileCols>(input);
+    n_tile_rows_ = ::testing::get<kTileRows>(input);
+  }
+
+  virtual void PreEncodeFrameHook(libaom_test::VideoSource *video,
+                                  libaom_test::Encoder *encoder) {
+    if (video->frame() == 1) {
+      encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
+      encoder->Control(AOME_SET_CPUUSED, 2);
+      encoder->Control(AV1E_SET_TILE_COLUMNS, n_tile_cols_);
+      encoder->Control(AV1E_SET_TILE_ROWS, n_tile_rows_);
+    }
+  }
+
+  virtual const aom_codec_cx_pkt_t *MutateEncoderOutputHook(
+      const aom_codec_cx_pkt_t *pkt) {
+    if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) return pkt;
+
+    const uint8_t *buffer = reinterpret_cast<uint8_t *>(pkt->data.frame.buf);
+    const uint8_t marker = buffer[0];
+    const int frames = (marker & 0x7) + 1;
+    const int mag = ((marker >> 3) & 3) + 1;
+    const unsigned int index_sz = 2 + mag * (frames - 1);
+    if ((marker & 0xe0) == 0xc0 && pkt->data.frame.sz >= index_sz &&
+        buffer[index_sz - 1] == marker) {
+      // frame is a superframe. strip off the index.
+      modified_buf_.resize(pkt->data.frame.sz - index_sz);
+      memcpy(&modified_buf_[0], (uint8_t *)pkt->data.frame.buf + index_sz,
+             pkt->data.frame.sz - index_sz);
+      modified_pkt_ = *pkt;
+      modified_pkt_.data.frame.buf = &modified_buf_[0];
+      modified_pkt_.data.frame.sz -= index_sz;
+
+      sf_count_++;
+      last_sf_pts_ = pkt->data.frame.pts;
+      return &modified_pkt_;
+    }
+
+    // Make sure we do a few frames after the last SF
+    abort_ |=
+        sf_count_ > sf_count_max_ && pkt->data.frame.pts - last_sf_pts_ >= 5;
+    return pkt;
+  }
+
+  int sf_count_;
+  int sf_count_max_;
+  aom_codec_cx_pkt_t modified_pkt_;
+  std::vector<uint8_t> modified_buf_;
+  aom_codec_pts_t last_sf_pts_;
+
+ private:
+  int n_tile_cols_;
+  int n_tile_rows_;
+};
+
+TEST_P(SuperframeTest, TestSuperframeIndexIsOptional) {
+  sf_count_max_ = 0;  // early exit on successful test.
+  cfg_.g_lag_in_frames = 25;
+  cfg_.large_scale_tile = 1;
+  ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
+                                       30, 1, 0, 40);
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  // NOTE: The use of BWDREF_FRAME will enable the coding of more non-show
+  //       frames besides ALTREF_FRAME.
+  EXPECT_GE(sf_count_, 1);
+}
+
+}  // namespace