openh264/test/encoder_test.cpp
2014-01-20 22:11:47 +05:30

150 lines
4.0 KiB
C++

#include <gtest/gtest.h>
#include <stdint.h>
#include <fstream>
#include "codec_api.h"
#include "utils/BufferedData.h"
#include "utils/HashFunctions.h"
static int InitWithParam(ISVCEncoder* encoder, int width,
int height, float frameRate) {
SVCEncodingParam param;
memset (&param, 0, sizeof(SVCEncodingParam));
param.sSpatialLayers[0].iVideoWidth = width;
param.sSpatialLayers[0].iVideoHeight = height;
param.sSpatialLayers[0].fFrameRate = frameRate;
param.sSpatialLayers[0].iQualityLayerNum = 1;
param.sSpatialLayers[0].iSpatialBitrate = 600000;
SSliceConfig* sliceCfg = &param.sSpatialLayers[0].sSliceCfg;
sliceCfg->sSliceArgument.uiSliceNum = 1;
sliceCfg->sSliceArgument.uiSliceSizeConstraint = 1500;
sliceCfg->sSliceArgument.uiSliceMbNum[0] = 960;
param.fFrameRate = param.sSpatialLayers[0].fFrameRate;
param.iPicWidth = param.sSpatialLayers[0].iVideoWidth;
param.iPicHeight = param.sSpatialLayers[0].iVideoHeight;
param.iTargetBitrate = 5000000;
param.iTemporalLayerNum = 3;
param.iSpatialLayerNum = 1;
param.bEnableBackgroundDetection = true;
param.bEnableLongTermReference = true;
param.iLtrMarkPeriod = 30;
param.iInputCsp = videoFormatI420;
param.bEnableSpsPpsIdAddition = true;
return encoder->Initialize(&param, INIT_TYPE_PARAMETER_BASED);
}
static void UpdateHashFromFrame(const SFrameBSInfo& info, SHA_CTX* ctx) {
for (int i = 0; i < info.iLayerNum; ++i) {
const SLayerBSInfo& layerInfo = info.sLayerInfo[i];
int layerSize = 0;
for (int j = 0; j < layerInfo.iNalCount; ++j) {
layerSize += layerInfo.iNalLengthInByte[j];
}
SHA1_Update(ctx, layerInfo.pBsBuf, layerSize);
}
}
static void CompareFileToHash(ISVCEncoder* encoder,
const char* fileName, const char* hashStr,
int width, int height, float frameRate) {
std::ifstream file(fileName, std::ios::in | std::ios::binary);
ASSERT_TRUE(file.is_open());
int rv = InitWithParam(encoder, width, height, frameRate);
ASSERT_TRUE(rv == cmResultSuccess);
// I420: 1(Y) + 1/4(U) + 1/4(V)
int frameSize = width * height * 3 / 2;
BufferedData buf;
buf.SetLength(frameSize);
ASSERT_TRUE(buf.Length() == frameSize);
char* data = reinterpret_cast<char*>(buf.data());
SFrameBSInfo info;
memset(&info, 0, sizeof(SFrameBSInfo));
unsigned char digest[SHA_DIGEST_LENGTH];
SHA_CTX ctx;
SHA1_Init(&ctx);
while (file.read(data, frameSize), file.gcount() == frameSize) {
rv = encoder->EncodeFrame(buf.data(), &info);
if (rv == videoFrameTypeInvalid) {
SHA1_Final(digest, &ctx);
FAIL() << "unable to encode frame";
}
if (rv != videoFrameTypeSkip) {
UpdateHashFromFrame(info, &ctx);
}
}
SHA1_Final(digest, &ctx);
ASSERT_TRUE(CompareHash(digest, hashStr));
}
class EncoderBaseTest : public ::testing::Test {
public:
EncoderBaseTest() : encoder_(NULL) {}
virtual void SetUp() {
int rv = CreateSVCEncoder(&encoder_);
ASSERT_EQ(0, rv);
ASSERT_TRUE(encoder_ != NULL);
}
virtual void TearDown() {
if (encoder_) {
encoder_->Uninitialize();
DestroySVCEncoder(encoder_);
}
}
protected:
ISVCEncoder* encoder_;
};
TEST_F(EncoderBaseTest, JustInit) {
}
struct EncodeFileParam {
const char* fileName;
const char* hashStr;
int width;
int height;
float frameRate;
};
class EncoderOutputTest : public EncoderBaseTest ,
public ::testing::WithParamInterface<EncodeFileParam> {
};
TEST_P(EncoderOutputTest, CompareOutput) {
EncodeFileParam p = GetParam();
CompareFileToHash(encoder_, p.fileName, p.hashStr, p.width, p.height, p.frameRate);
}
static const EncodeFileParam kFileParamArray[] = {
{
"res/CiscoVT2people_320x192_12fps.yuv",
"4df5751a59eb02153e086ade9b3ecfcb8845c30b", 320, 192, 12.0f
},
{
"res/CiscoVT2people_160x96_6fps.yuv",
"6eb53b6bfdb95dfca0575bd3efe81aa58163951c", 160, 96, 6.0f
},
{
"res/Static_152_100.yuv",
"c5af55647a5ead570bd5d96651e05ea699762b8e", 152, 100, 6.0f
},
};
INSTANTIATE_TEST_CASE_P(EncodeFile, EncoderOutputTest,
::testing::ValuesIn(kFileParamArray));