/*
 * 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/video_source.h"

namespace {

class AV1FrameSizeTests : public ::libaom_test::EncoderTest,
                          public ::testing::Test {
 protected:
  AV1FrameSizeTests()
      : EncoderTest(&::libaom_test::kAV1), expected_res_(AOM_CODEC_OK) {}
  virtual ~AV1FrameSizeTests() {}

  virtual void SetUp() {
    InitializeConfig();
    SetMode(::libaom_test::kRealTime);
  }

  virtual bool HandleDecodeResult(const aom_codec_err_t res_dec,
                                  libaom_test::Decoder *decoder) {
    EXPECT_EQ(expected_res_, res_dec) << decoder->DecodeError();
    return !::testing::Test::HasFailure();
  }

  virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
                                  ::libaom_test::Encoder *encoder) {
    if (video->frame() == 1) {
      encoder->Control(AOME_SET_CPUUSED, 7);
      encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
      encoder->Control(AOME_SET_ARNR_MAXFRAMES, 7);
      encoder->Control(AOME_SET_ARNR_STRENGTH, 5);
    }
  }

  int expected_res_;
};

TEST_F(AV1FrameSizeTests, TestInvalidSizes) {
  ::libaom_test::RandomVideoSource video;

#if CONFIG_SIZE_LIMIT
  video.SetSize(DECODE_WIDTH_LIMIT + 16, DECODE_HEIGHT_LIMIT + 16);
  video.set_limit(2);
  expected_res_ = AOM_CODEC_CORRUPT_FRAME;
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
#endif
}

TEST_F(AV1FrameSizeTests, LargeValidSizes) {
  ::libaom_test::RandomVideoSource video;

#if CONFIG_SIZE_LIMIT
  video.SetSize(DECODE_WIDTH_LIMIT, DECODE_HEIGHT_LIMIT);
  video.set_limit(2);
  expected_res_ = AOM_CODEC_OK;
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
#else
  // This test produces a pretty large single frame allocation,  (roughly
  // 25 megabits). The encoder allocates a good number of these frames
  // one for each lag in frames (for 2 pass), and then one for each possible
  // reference buffer (8) - we can end up with up to 30 buffers of roughly this
  // size or almost 1 gig of memory.
  // In total the allocations will exceed 2GiB which may cause a failure with
  // non-64 bit platforms, use a smaller size in that case.
  if (sizeof(void *) < 8)
    video.SetSize(2560, 1440);
  else
    video.SetSize(4096, 4096);

  video.set_limit(2);
  expected_res_ = AOM_CODEC_OK;
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
#endif
}

TEST_F(AV1FrameSizeTests, OneByOneVideo) {
  ::libaom_test::RandomVideoSource video;

  video.SetSize(1, 1);
  video.set_limit(2);
  expected_res_ = AOM_CODEC_OK;
  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
}
#undef ONE_BY_ONE_VIDEO_NAME
}  // namespace