chromium/third_party/libvpx/source/libvpx/test/decode_svc_test.cc

/*
 *  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 = …;

class DecodeSvcTest : public ::libvpx_test::DecoderTest,
                      public ::libvpx_test::CodecTestWithParam<const char *> { … };

// 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) { … }

// 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) { … }

// 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) { … }

// 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) { … }

VP9_INSTANTIATE_TEST_SUITE(…);
}  // namespace