/* *  Copyright (c) 2016 The WebM project authors. All Rights Reserved. * *  Use of this source code is governed by a BSD-style license *  that can be found in the LICENSE file in the root of the source *  tree. An additional intellectual property rights grant can be found *  in the file PATENTS.  All contributing project authors may *  be found in the AUTHORS file in the root of the source tree. */ #include <memory>#include <string> #include "test/codec_factory.h"#include "test/decode_test_driver.h"#include "test/ivf_video_source.h"#include "test/test_vectors.h"#include "test/util.h" namespace { const unsigned int kNumFrames = 19; class DecodeSvcTest : public ::libvpx_test::DecoderTest,                      public ::libvpx_test::CodecTestWithParam<const char *> { protected:  DecodeSvcTest() : DecoderTest(GET_PARAM(::libvpx_test::kCodecFactoryParam)) {}  virtual ~DecodeSvcTest() {}   virtual void PreDecodeFrameHook(      const libvpx_test::CompressedVideoSource &video,      libvpx_test::Decoder *decoder) {    if (video.frame_number() == 0)      decoder->Control(VP9_DECODE_SVC_SPATIAL_LAYER, spatial_layer_);  }   virtual void DecompressedFrameHook(const vpx_image_t &img,                                     const unsigned int frame_number) {    ASSERT_EQ(img.d_w, width_);    ASSERT_EQ(img.d_h, height_);    total_frames_ = frame_number;  }   int spatial_layer_;  unsigned int width_;  unsigned int height_;  unsigned int total_frames_;}; // SVC test vector is 1280x720, with 3 spatial layers, and 20 frames. // Decode the SVC test vector, which has 3 spatial layers, and decode up to// spatial layer 0. Verify the resolution of each decoded frame and the total// number of frames decoded. This results in 1/4x1/4 resolution (320x180).TEST_P(DecodeSvcTest, DecodeSvcTestUpToSpatialLayer0) {  const std::string filename = GET_PARAM(1);  std::unique_ptr<libvpx_test::CompressedVideoSource> video;  video.reset(new libvpx_test::IVFVideoSource(filename));  ASSERT_NE(video.get(), nullptr);  video->Init();  total_frames_ = 0;  spatial_layer_ = 0;  width_ = 320;  height_ = 180;  ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));  ASSERT_EQ(total_frames_, kNumFrames);} // Decode the SVC test vector, which has 3 spatial layers, and decode up to// spatial layer 1. Verify the resolution of each decoded frame and the total// number of frames decoded. This results in 1/2x1/2 resolution (640x360).TEST_P(DecodeSvcTest, DecodeSvcTestUpToSpatialLayer1) {  const std::string filename = GET_PARAM(1);  std::unique_ptr<libvpx_test::CompressedVideoSource> video;  video.reset(new libvpx_test::IVFVideoSource(filename));  ASSERT_NE(video.get(), nullptr);  video->Init();  total_frames_ = 0;  spatial_layer_ = 1;  width_ = 640;  height_ = 360;  ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));  ASSERT_EQ(total_frames_, kNumFrames);} // Decode the SVC test vector, which has 3 spatial layers, and decode up to// spatial layer 2. Verify the resolution of each decoded frame and the total// number of frames decoded. This results in the full resolution (1280x720).TEST_P(DecodeSvcTest, DecodeSvcTestUpToSpatialLayer2) {  const std::string filename = GET_PARAM(1);  std::unique_ptr<libvpx_test::CompressedVideoSource> video;  video.reset(new libvpx_test::IVFVideoSource(filename));  ASSERT_NE(video.get(), nullptr);  video->Init();  total_frames_ = 0;  spatial_layer_ = 2;  width_ = 1280;  height_ = 720;  ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));  ASSERT_EQ(total_frames_, kNumFrames);} // Decode the SVC test vector, which has 3 spatial layers, and decode up to// spatial layer 10. Verify the resolution of each decoded frame and the total// number of frames decoded. This is beyond the number of spatial layers, so// the decoding should result in the full resolution (1280x720).TEST_P(DecodeSvcTest, DecodeSvcTestUpToSpatialLayer10) {  const std::string filename = GET_PARAM(1);  std::unique_ptr<libvpx_test::CompressedVideoSource> video;  video.reset(new libvpx_test::IVFVideoSource(filename));  ASSERT_NE(video.get(), nullptr);  video->Init();  total_frames_ = 0;  spatial_layer_ = 10;  width_ = 1280;  height_ = 720;  ASSERT_NO_FATAL_FAILURE(RunLoop(video.get()));  ASSERT_EQ(total_frames_, kNumFrames);} VP9_INSTANTIATE_TEST_SUITE(    DecodeSvcTest, ::testing::ValuesIn(libvpx_test::kVP9TestVectorsSvc,                                       libvpx_test::kVP9TestVectorsSvc +                                           libvpx_test::kNumVP9TestVectorsSvc));}  // namespace