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#include <cfloat>
#include <cmath>
#include <cstring>
#include <string>
#include <vector>
#include <ffms.h>
#include <gtest/gtest.h>
#include "tests.h"
typedef struct HDR10Data {
double MasteringDisplayPrimariesX[3];
double MasteringDisplayPrimariesY[3];
double MasteringDisplayWhitePointX;
double MasteringDisplayWhitePointY;
double MasteringDisplayMinLuminance;
double MasteringDisplayMaxLuminance;
} HDR10Data;
// Tests relative error with an error of 1e-5, given the accuracy of
// the hardcoded test values, and how it would affect HDR.
#define TEST_DOUBLE(A, B) (fabs((A / B) - 1) < (double) 1e-5)
const HDR10Data StreamHDR10Data = {
{ 35400.0 / 50000.0, 8500.0 / 50000.0, 6550.0 / 50000.0 },
{ 14599.0 / 50000.0 , 39850.0 / 50000.0 , 2300.0 / 50000.0 },
15634.0 / 50000.0,
16450.0 / 50000.0,
10.0 / 10000.0,
10000000.0 / 10000.0
};
const HDR10Data ContainerHDR10Data {
{ 34000.0 / 50000.0, 13250.0 / 50000.0, 7500.0 / 50000.0 },
{ 16000.0 / 50000.0, 34500.0 / 50000.0, 3000.0 / 50000.0 },
15635.0 / 50000.0,
16450.0 / 50000.0,
100.0 / 10000.0,
10000000.0 / 10000.0
};
namespace {
class HDR10Test : public ::testing::Test {
protected:
virtual void SetUp();
virtual void TearDown();
bool DoIndexing(std::string);
FFMS_Indexer* indexer;
FFMS_Index* index;
int video_track_idx;
FFMS_VideoSource* video_source;
const FFMS_VideoProperties* VP;
FFMS_ErrorInfo E;
char ErrorMsg[1024];
std::string SamplesDir;
};
void HDR10Test::SetUp() {
indexer = nullptr;
index = nullptr;
video_track_idx = -1;
video_source = nullptr;
VP = nullptr;
E.Buffer = ErrorMsg;
E.BufferSize = sizeof(ErrorMsg);
SamplesDir = STRINGIFY(SAMPLES_DIR);
FFMS_Init(0,0);
}
void HDR10Test::TearDown() {
FFMS_DestroyIndex(index);
FFMS_DestroyVideoSource(video_source);
}
bool HDR10Test::DoIndexing(std::string file_name) {
indexer = FFMS_CreateIndexer(file_name.c_str(), &E);
NULL_CHECK(indexer);
FFMS_TrackTypeIndexSettings(indexer, FFMS_TYPE_VIDEO, 1, 0);
index = FFMS_DoIndexing2(indexer, 0, &E);
NULL_CHECK(index);
video_track_idx = FFMS_GetFirstTrackOfType(index, FFMS_TYPE_VIDEO, &E);
EXPECT_GE(0, video_track_idx);
video_source = FFMS_CreateVideoSource(file_name.c_str(), video_track_idx, index, 1, FFMS_SEEK_NORMAL, &E);
NULL_CHECK(video_source);
VP = FFMS_GetVideoProperties(video_source); // Can't fail
return true;
}
TEST_F(HDR10Test, StreamData) {
std::string FilePath = SamplesDir + "/hdr10tags-stream.mp4";
ASSERT_TRUE(DoIndexing(FilePath));
ASSERT_TRUE(!!VP->HasMasteringDisplayPrimaries);
for (int i = 0; i < 3; i++) {
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayPrimariesX[i], StreamHDR10Data.MasteringDisplayPrimariesX[i]));
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayPrimariesY[i], StreamHDR10Data.MasteringDisplayPrimariesY[i]));
}
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayWhitePointX, StreamHDR10Data.MasteringDisplayWhitePointX));
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayWhitePointY, StreamHDR10Data.MasteringDisplayWhitePointY));
ASSERT_TRUE(!!VP->HasMasteringDisplayLuminance);
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayMinLuminance, StreamHDR10Data.MasteringDisplayMinLuminance));
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayMaxLuminance, StreamHDR10Data.MasteringDisplayMaxLuminance));
}
TEST_F(HDR10Test, ContainerData) {
std::string FilePath = SamplesDir + "/hdr10tags-container.mkv";
ASSERT_TRUE(DoIndexing(FilePath));
// Stream HDR metadata should be used.
ASSERT_TRUE(!!VP->HasMasteringDisplayPrimaries);
for (int i = 0; i < 3; i++) {
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayPrimariesX[i], ContainerHDR10Data.MasteringDisplayPrimariesX[i]));
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayPrimariesY[i], ContainerHDR10Data.MasteringDisplayPrimariesY[i]));
}
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayWhitePointX, ContainerHDR10Data.MasteringDisplayWhitePointX));
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayWhitePointY, ContainerHDR10Data.MasteringDisplayWhitePointY));
ASSERT_TRUE(!!VP->HasMasteringDisplayLuminance);
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayMinLuminance, ContainerHDR10Data.MasteringDisplayMinLuminance));
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayMaxLuminance, ContainerHDR10Data.MasteringDisplayMaxLuminance));
}
TEST_F(HDR10Test, StreamAndContainerData) {
std::string FilePath = SamplesDir + "/hdr10tags-both.mkv";
ASSERT_TRUE(DoIndexing(FilePath));
// Stream HDR metadata should be used.
ASSERT_TRUE(!!VP->HasMasteringDisplayPrimaries);
for (int i = 0; i < 3; i++) {
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayPrimariesX[i], StreamHDR10Data.MasteringDisplayPrimariesX[i]));
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayPrimariesY[i], StreamHDR10Data.MasteringDisplayPrimariesY[i]));
}
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayWhitePointX, StreamHDR10Data.MasteringDisplayWhitePointX));
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayWhitePointY, StreamHDR10Data.MasteringDisplayWhitePointY));
ASSERT_TRUE(!!VP->HasMasteringDisplayLuminance);
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayMinLuminance, StreamHDR10Data.MasteringDisplayMinLuminance));
ASSERT_TRUE(TEST_DOUBLE(VP->MasteringDisplayMaxLuminance, StreamHDR10Data.MasteringDisplayMaxLuminance));
}
} //namespace
int main(int argc, char **argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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