ref: 84ff16c0156e71de20af1cf149f26e3433213174
dir: /test/api/cpp_interface_test.cpp/
#include <gtest/gtest.h> #include "codec_api.h" #include <stddef.h> static void CheckFunctionOrder(int expect, int actual, const char* name) { EXPECT_EQ(expect, actual) << "Wrong function order: " << name; } typedef void(*CheckFunc)(int, int, const char*); extern "C" void CheckEncoderInterface(ISVCEncoder* p, CheckFunc); extern "C" void CheckDecoderInterface(ISVCDecoder* p, CheckFunc); extern "C" size_t GetBoolSize(void); extern "C" size_t GetBoolOffset(void); extern "C" size_t GetBoolStructSize(void); // Store the 'this' pointer to verify 'this' is received as expected from C code. static void* gThis; /** * Return a unique number for each virtual function so that we are able to * check if the order of functions in the virtual table is as expected. */ struct SVCEncoderImpl : public ISVCEncoder { virtual ~SVCEncoderImpl() {} virtual int EXTAPI Initialize(const SEncParamBase* pParam) { EXPECT_TRUE(gThis == this); return 1; } virtual int EXTAPI InitializeExt(const SEncParamExt* pParam) { EXPECT_TRUE(gThis == this); return 2; } virtual int EXTAPI GetDefaultParams(SEncParamExt* pParam) { EXPECT_TRUE(gThis == this); return 3; } virtual int EXTAPI Uninitialize() { EXPECT_TRUE(gThis == this); return 4; } virtual int EXTAPI EncodeFrame(const SSourcePicture* kpSrcPic, SFrameBSInfo* pBsInfo) { EXPECT_TRUE(gThis == this); return 5; } virtual int EXTAPI EncodeParameterSets(SFrameBSInfo* pBsInfo) { EXPECT_TRUE(gThis == this); return 6; } virtual int EXTAPI PauseFrame(const SSourcePicture* kpSrcPic, SFrameBSInfo* pBsInfo) { EXPECT_TRUE(gThis == this); return 7; } virtual int EXTAPI ForceIntraFrame(bool bIDR) { EXPECT_TRUE(gThis == this); return 8; } virtual int EXTAPI SetOption(ENCODER_OPTION eOptionId, void* pOption) { EXPECT_TRUE(gThis == this); return 9; } virtual int EXTAPI GetOption(ENCODER_OPTION eOptionId, void* pOption) { EXPECT_TRUE(gThis == this); return 10; } }; struct SVCDecoderImpl : public ISVCDecoder { virtual ~SVCDecoderImpl() {} virtual long EXTAPI Initialize(const SDecodingParam* pParam) { EXPECT_TRUE(gThis == this); return 1; } virtual long EXTAPI Uninitialize() { EXPECT_TRUE(gThis == this); return 2; } virtual DECODING_STATE EXTAPI DecodeFrame(const unsigned char* pSrc, const int iSrcLen, unsigned char** ppDst, int* pStride, int& iWidth, int& iHeight) { EXPECT_TRUE(gThis == this); return static_cast<DECODING_STATE>(3); } virtual DECODING_STATE EXTAPI DecodeFrame2(const unsigned char* pSrc, const int iSrcLen, void** ppDst, SBufferInfo* pDstInfo) { EXPECT_TRUE(gThis == this); return static_cast<DECODING_STATE>(4); } virtual DECODING_STATE EXTAPI DecodeFrameEx(const unsigned char* pSrc, const int iSrcLen, unsigned char* pDst, int iDstStride, int& iDstLen, int& iWidth, int& iHeight, int& iColorFormat) { EXPECT_TRUE(gThis == this); return static_cast<DECODING_STATE>(5); } virtual long EXTAPI SetOption (DECODER_OPTION eOptionId, void* pOption) { EXPECT_TRUE(gThis == this); return 6; } virtual long EXTAPI GetOption (DECODER_OPTION eOptionId, void* pOption) { EXPECT_TRUE(gThis == this); return 7; } }; TEST(ISVCEncoderTest, CheckFunctionOrder) { SVCEncoderImpl* p = new SVCEncoderImpl; gThis = p; CheckEncoderInterface(p, CheckFunctionOrder); delete p; } TEST(ISVCDecoderTest, CheckFunctionOrder) { SVCDecoderImpl* p = new SVCDecoderImpl; gThis = p; CheckDecoderInterface(p, CheckFunctionOrder); delete p; } struct bool_test_struct { char c; bool b; }; TEST(ISVCDecoderEncoderTest, CheckCAbi) { EXPECT_EQ(sizeof(bool), GetBoolSize()) << "Wrong size of bool type"; EXPECT_EQ(offsetof(bool_test_struct, b), GetBoolOffset()) << "Wrong alignment of bool in a struct"; EXPECT_EQ(sizeof(bool_test_struct), GetBoolStructSize()) << "Wrong size of struct with a bool"; }