ref: d1123a8bb193ff4f7e064fba7298c95515ff646f
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, unsigned char** 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"; }