/* *  Copyright (c) 2013 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 <cstdio>#include <cstdlib>#include <string>#include "third_party/googletest/src/include/gtest/gtest.h"#include "../tools_common.h"#include "./vpx_config.h"#include "test/codec_factory.h"#include "test/decode_test_driver.h"#include "test/ivf_video_source.h"#include "test/md5_helper.h"#include "test/test_vectors.h"#include "test/util.h"#if CONFIG_WEBM_IO#include "test/webm_video_source.h"#endif#include "vpx_mem/vpx_mem.h" namespace { enum DecodeMode {  kSerialMode,  kFrameParallMode}; const int kDecodeMode = 0;const int kThreads = 1;const int kFileName = 2; typedef std::tr1::tuple<int, int, const char*> DecodeParam; class TestVectorTest : public ::libvpx_test::DecoderTest,    public ::libvpx_test::CodecTestWithParam<DecodeParam> { protected:  TestVectorTest()      : DecoderTest(GET_PARAM(0)),        md5_file_(NULL) {  }   virtual ~TestVectorTest() {    if (md5_file_)      fclose(md5_file_);  }   void OpenMD5File(const std::string& md5_file_name_) {    md5_file_ = libvpx_test::OpenTestDataFile(md5_file_name_);    ASSERT_TRUE(md5_file_ != NULL) << "Md5 file open failed. Filename: "        << md5_file_name_;  }   virtual void DecompressedFrameHook(const vpx_image_t& img,                                     const unsigned int frame_number) {    ASSERT_TRUE(md5_file_ != NULL);    char expected_md5[33];    char junk[128];     // Read correct md5 checksums.    const int res = fscanf(md5_file_, "%s  %s", expected_md5, junk);    ASSERT_NE(res, EOF) << "Read md5 data failed";    expected_md5[32] = '\0';     ::libvpx_test::MD5 md5_res;    md5_res.Add(&img);    const char *actual_md5 = md5_res.Get();     // Check md5 match.    ASSERT_STREQ(expected_md5, actual_md5)        << "Md5 checksums don't match: frame number = " << frame_number;  }  private:  FILE *md5_file_;}; // This test runs through the whole set of test vectors, and decodes them.// The md5 checksums are computed for each frame in the video file. If md5// checksums match the correct md5 data, then the test is passed. Otherwise,// the test failed.TEST_P(TestVectorTest, MD5Match) {  const DecodeParam input = GET_PARAM(1);  const std::string filename = std::tr1::get<kFileName>(input);  const int threads = std::tr1::get<kThreads>(input);  const int mode = std::tr1::get<kDecodeMode>(input);  libvpx_test::CompressedVideoSource *video = NULL;  vpx_codec_flags_t flags = 0;  vpx_codec_dec_cfg_t cfg = {0};  char str[256];   if (mode == kFrameParallMode) {    flags |= VPX_CODEC_USE_FRAME_THREADING;  }   cfg.threads = threads;   snprintf(str, sizeof(str) / sizeof(str[0]) - 1,           "file: %s  mode: %s threads: %d",           filename.c_str(), mode == 0 ? "Serial" : "Parallel", threads);  SCOPED_TRACE(str);   // Open compressed video file.  if (filename.substr(filename.length() - 3, 3) == "ivf") {    video = new libvpx_test::IVFVideoSource(filename);  } else if (filename.substr(filename.length() - 4, 4) == "webm") {#if CONFIG_WEBM_IO    video = new libvpx_test::WebMVideoSource(filename);#else    fprintf(stderr, "WebM IO is disabled, skipping test vector %s\n",            filename.c_str());    return;#endif  }  video->Init();   // Construct md5 file name.  const std::string md5_filename = filename + ".md5";  OpenMD5File(md5_filename);   // Set decode config and flags.  set_cfg(cfg);  set_flags(flags);   // Decode frame, and check the md5 matching.  ASSERT_NO_FATAL_FAILURE(RunLoop(video, cfg));  delete video;} // Test VP8 decode in serial mode with single thread.// NOTE: VP8 only support serial mode.VP8_INSTANTIATE_TEST_CASE(    TestVectorTest,    ::testing::Combine(        ::testing::Values(0),  // Serial Mode.        ::testing::Values(1),  // Single thread.        ::testing::ValuesIn(libvpx_test::kVP8TestVectors,                            libvpx_test::kVP8TestVectors +                                libvpx_test::kNumVP8TestVectors))); // Test VP9 decode in serial mode with single thread.VP9_INSTANTIATE_TEST_CASE(    TestVectorTest,    ::testing::Combine(        ::testing::Values(0),  // Serial Mode.        ::testing::Values(1),  // Single thread.        ::testing::ValuesIn(libvpx_test::kVP9TestVectors,                            libvpx_test::kVP9TestVectors +                                libvpx_test::kNumVP9TestVectors)));  #if CONFIG_VP9_DECODER// Test VP9 decode in frame parallel mode with different number of threads.INSTANTIATE_TEST_CASE_P(    VP9MultiThreadedFrameParallel, TestVectorTest,    ::testing::Combine(        ::testing::Values(            static_cast<const libvpx_test::CodecFactory *>(&libvpx_test::kVP9)),        ::testing::Combine(            ::testing::Values(1),        // Frame Parallel mode.            ::testing::Range(2, 9),      // With 2 ~ 8 threads.            ::testing::ValuesIn(libvpx_test::kVP9TestVectors,                                libvpx_test::kVP9TestVectors +                                    libvpx_test::kNumVP9TestVectors))));#endif}  // namespace