chromium/third_party/libvpx/source/libvpx/test/video_source.h

/*
 *  Copyright (c) 2012 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.
 */
#ifndef VPX_TEST_VIDEO_SOURCE_H_
#define VPX_TEST_VIDEO_SOURCE_H_

#if defined(_WIN32)
#undef NOMINMAX
#define NOMINMAX
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#endif
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <memory>
#include <string>

#if !defined(_WIN32)
#include "gtest/gtest.h"
#endif
#include "test/acm_random.h"
#include "vpx/vpx_encoder.h"

namespace libvpx_test {

// Helper macros to ensure LIBVPX_TEST_DATA_PATH is a quoted string.
// These are undefined right below GetDataPath
// NOTE: LIBVPX_TEST_DATA_PATH MUST NOT be a quoted string before
// Stringification or the GetDataPath will fail at runtime
#define TO_STRING …
#define STRINGIFY …

// A simple function to encapsulate cross platform retrieval of test data path
static std::string GetDataPath() { … }

// Undefining stringification macros because they are not used elsewhere
#undef TO_STRING
#undef STRINGIFY

inline FILE *OpenTestDataFile(const std::string &file_name) { … }

static FILE *GetTempOutFile(std::string *file_name, const char *io_mode) { … }

class TempOutFile { … };

// Abstract base class for test video sources, which provide a stream of
// vpx_image_t images with associated timestamps and duration.
class VideoSource { … };

class DummyVideoSource : public VideoSource { … };

class RandomVideoSource : public DummyVideoSource { … };

// Abstract base class for test video sources, which provide a stream of
// decompressed images to the decoder.
class CompressedVideoSource { … };

}  // namespace libvpx_test

#endif  // VPX_TEST_VIDEO_SOURCE_H_