ref: 4cb75fb16aab10c37983e885bb431039c41fe5e5
dir: /test/api/BaseThreadDecoderTest.cpp/
#include <fstream>
#include <gtest/gtest.h>
#include "codec_def.h"
#include "codec_app_def.h"
#include "utils/BufferedData.h"
#include "BaseThreadDecoderTest.h"
static int32_t readBit (uint8_t* pBufPtr, int32_t& curBit) {
int nIndex = curBit / 8;
int nOffset = curBit % 8 + 1;
curBit++;
return (pBufPtr[nIndex] >> (8 - nOffset)) & 0x01;
}
static int32_t readBits (uint8_t* pBufPtr, int32_t& n, int32_t& curBit) {
int r = 0;
int i;
for (i = 0; i < n; i++) {
r |= (readBit (pBufPtr, curBit) << (n - i - 1));
}
return r;
}
static int32_t bsGetUe (uint8_t* pBufPtr, int32_t& curBit) {
int r = 0;
int i = 0;
while ((readBit (pBufPtr, curBit) == 0) && (i < 32)) {
i++;
}
r = readBits (pBufPtr, i, curBit);
r += (1 << i) - 1;
return r;
}
static int32_t readFirstMbInSlice (uint8_t* pSliceNalPtr) {
int32_t curBit = 0;
int32_t firstMBInSlice = bsGetUe (pSliceNalPtr + 1, curBit);
return firstMBInSlice;
}
static int32_t ReadFrame (uint8_t* pBuf, const int32_t& iFileSize, const int32_t& bufPos) {
int32_t bytes_available = iFileSize - bufPos;
if (bytes_available < 4) {
return bytes_available;
}
uint8_t* ptr = pBuf + bufPos;
int32_t read_bytes = 0;
int32_t sps_count = 0;
int32_t pps_count = 0;
int32_t non_idr_pict_count = 0;
int32_t idr_pict_count = 0;
int32_t nal_deliminator = 0;
while (read_bytes < bytes_available - 4) {
bool has4ByteStartCode = ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 0 && ptr[3] == 1;
bool has3ByteStartCode = false;
if (!has4ByteStartCode) {
has3ByteStartCode = ptr[0] == 0 && ptr[1] == 0 && ptr[2] == 1;
}
if (has4ByteStartCode || has3ByteStartCode) {
int32_t byteOffset = has4ByteStartCode ? 4 : 3;
uint8_t nal_unit_type = has4ByteStartCode ? (ptr[4] & 0x1F) : (ptr[3] & 0x1F);
if (nal_unit_type == 1) {
int32_t firstMBInSlice = readFirstMbInSlice (ptr + byteOffset);
if (++non_idr_pict_count >= 1 && idr_pict_count >= 1 && firstMBInSlice == 0) {
return read_bytes;
}
if (non_idr_pict_count >= 2 && firstMBInSlice == 0) {
return read_bytes;
}
} else if (nal_unit_type == 5) {
int32_t firstMBInSlice = readFirstMbInSlice (ptr + byteOffset);
if (++idr_pict_count >= 1 && non_idr_pict_count >= 1 && firstMBInSlice == 0) {
return read_bytes;
}
if (idr_pict_count >= 2 && firstMBInSlice == 0) {
return read_bytes;
}
} else if (nal_unit_type == 7) {
if ((++sps_count >= 1) && (non_idr_pict_count >= 1 || idr_pict_count >= 1)) {
return read_bytes;
}
if (sps_count == 2) return read_bytes;
} else if (nal_unit_type == 8) {
if (++pps_count >= 1 && (non_idr_pict_count >= 1 || idr_pict_count >= 1)) return read_bytes;
} else if (nal_unit_type == 9) {
if (++nal_deliminator == 2) {
return read_bytes;
}
}
if (read_bytes >= bytes_available - 4) {
return bytes_available;
}
read_bytes += 4;
ptr += 4;
} else {
++ptr;
++read_bytes;
}
}
return bytes_available;
}
static void Write2File (FILE* pFp, unsigned char* pData[3], int iStride[2], int iWidth, int iHeight) {
int i;
unsigned char* pPtr = NULL;
pPtr = pData[0];
for (i = 0; i < iHeight; i++) {
fwrite (pPtr, 1, iWidth, pFp);
pPtr += iStride[0];
}
iHeight = iHeight / 2;
iWidth = iWidth / 2;
pPtr = pData[1];
for (i = 0; i < iHeight; i++) {
fwrite (pPtr, 1, iWidth, pFp);
pPtr += iStride[1];
}
pPtr = pData[2];
for (i = 0; i < iHeight; i++) {
fwrite (pPtr, 1, iWidth, pFp);
pPtr += iStride[1];
}
}
static void Process (SBufferInfo* pInfo, FILE* pFp) {
if (pFp && pInfo->pDst[0] && pInfo->pDst[1] && pInfo->pDst[2] && pInfo) {
int iStride[2];
int iWidth = pInfo->UsrData.sSystemBuffer.iWidth;
int iHeight = pInfo->UsrData.sSystemBuffer.iHeight;
iStride[0] = pInfo->UsrData.sSystemBuffer.iStride[0];
iStride[1] = pInfo->UsrData.sSystemBuffer.iStride[1];
Write2File (pFp, (unsigned char**)pInfo->pDst, iStride, iWidth, iHeight);
}
}
BaseThreadDecoderTest::BaseThreadDecoderTest()
: decoder_ (NULL), uiTimeStamp (0), pYuvFile (NULL), bEnableYuvDumpTest (false), decodeStatus_ (OpenFile) {
}
int32_t BaseThreadDecoderTest::SetUp() {
long rv = WelsCreateDecoder (&decoder_);
EXPECT_EQ (0, rv);
EXPECT_TRUE (decoder_ != NULL);
if (decoder_ == NULL) {
return rv;
}
SDecodingParam decParam;
memset (&decParam, 0, sizeof (SDecodingParam));
decParam.uiTargetDqLayer = UCHAR_MAX;
decParam.eEcActiveIdc = ERROR_CON_SLICE_COPY;
decParam.sVideoProperty.eVideoBsType = VIDEO_BITSTREAM_DEFAULT;
int iThreadCount = (rand() % 2) + 2;
decoder_->SetOption (DECODER_OPTION_NUM_OF_THREADS, &iThreadCount);
rv = decoder_->Initialize (&decParam);
EXPECT_EQ (0, rv);
return (int32_t)rv;
}
void BaseThreadDecoderTest::TearDown() {
if (decoder_ != NULL) {
decoder_->Uninitialize();
WelsDestroyDecoder (decoder_);
}
}
void BaseThreadDecoderTest::DecodeFrame (const uint8_t* src, size_t sliceSize, Callback* cbk) {
SBufferInfo bufInfo;
memset (pData, 0, sizeof (pData));
memset (&bufInfo, 0, sizeof (SBufferInfo));
bufInfo.uiInBsTimeStamp = ++uiTimeStamp;
DECODING_STATE rv = decoder_->DecodeFrameNoDelay (src, (int) sliceSize, pData, &bufInfo);
ASSERT_TRUE (rv == dsErrorFree);
sBufInfo = bufInfo;
if (sBufInfo.iBufferStatus == 1 && cbk != NULL) {
if (bEnableYuvDumpTest) {
Process (&sBufInfo, pYuvFile);
}
const Frame frame = {
{
// y plane
sBufInfo.pDst[0],
bufInfo.UsrData.sSystemBuffer.iWidth,
bufInfo.UsrData.sSystemBuffer.iHeight,
bufInfo.UsrData.sSystemBuffer.iStride[0]
},
{
// u plane
sBufInfo.pDst[1],
sBufInfo.UsrData.sSystemBuffer.iWidth / 2,
sBufInfo.UsrData.sSystemBuffer.iHeight / 2,
sBufInfo.UsrData.sSystemBuffer.iStride[1]
},
{
// v plane
sBufInfo.pDst[2],
sBufInfo.UsrData.sSystemBuffer.iWidth / 2,
sBufInfo.UsrData.sSystemBuffer.iHeight / 2,
sBufInfo.UsrData.sSystemBuffer.iStride[1]
},
};
cbk->onDecodeFrame (frame);
}
}
void BaseThreadDecoderTest::FlushFrame (Callback* cbk) {
SBufferInfo bufInfo;
memset (pData, 0, sizeof (pData));
memset (&bufInfo, 0, sizeof (SBufferInfo));
DECODING_STATE rv = decoder_->FlushFrame (pData, &bufInfo);
ASSERT_TRUE (rv == dsErrorFree);
sBufInfo = bufInfo;
if (sBufInfo.iBufferStatus == 1 && cbk != NULL) {
if (bEnableYuvDumpTest) {
Process (&sBufInfo, pYuvFile);
}
const Frame frame = {
{
// y plane
sBufInfo.pDst[0],
sBufInfo.UsrData.sSystemBuffer.iWidth,
sBufInfo.UsrData.sSystemBuffer.iHeight,
sBufInfo.UsrData.sSystemBuffer.iStride[0]
},
{
// u plane
sBufInfo.pDst[1],
sBufInfo.UsrData.sSystemBuffer.iWidth / 2,
sBufInfo.UsrData.sSystemBuffer.iHeight / 2,
sBufInfo.UsrData.sSystemBuffer.iStride[1]
},
{
// v plane
sBufInfo.pDst[2],
sBufInfo.UsrData.sSystemBuffer.iWidth / 2,
sBufInfo.UsrData.sSystemBuffer.iHeight / 2,
sBufInfo.UsrData.sSystemBuffer.iStride[1]
},
};
cbk->onDecodeFrame (frame);
}
}
bool BaseThreadDecoderTest::ThreadDecodeFile (const char* fileName, Callback* cbk) {
std::ifstream file (fileName, std::ios::in | std::ios::binary);
if (!file.is_open())
return false;
BufferedData buf;
char b;
for (;;) {
file.read (&b, 1);
if (file.gcount() != 1) { // end of file
break;
}
if (!buf.PushBack (b)) {
std::cout << "unable to allocate memory" << std::endl;
return false;
}
}
std::string outFileName = std::string (fileName);
size_t pos = outFileName.find_last_of (".");
if (bEnableYuvDumpTest) {
outFileName = outFileName.substr (0, pos) + std::string (".yuv");
pYuvFile = fopen (outFileName.c_str(), "wb");
}
uiTimeStamp = 0;
memset (&sBufInfo, 0, sizeof (SBufferInfo));
int32_t bufPos = 0;
int32_t bytesConsumed = 0;
int32_t fileSize = buf.Length();
while (bytesConsumed < fileSize) {
int32_t frameSize = ReadFrame (buf.data(), fileSize, bufPos);
if (::testing::Test::HasFatalFailure()) {
return false;
}
uint8_t* frame_ptr = buf.data() + bufPos;
DecodeFrame (frame_ptr, frameSize, cbk);
if (::testing::Test::HasFatalFailure()) {
return false;
}
bufPos += frameSize;
bytesConsumed += frameSize;
}
int32_t iEndOfStreamFlag = 1;
decoder_->SetOption (DECODER_OPTION_END_OF_STREAM, &iEndOfStreamFlag);
// Flush out last frames in decoder buffer
int32_t num_of_frames_in_buffer = 0;
decoder_->GetOption (DECODER_OPTION_NUM_OF_FRAMES_REMAINING_IN_BUFFER, &num_of_frames_in_buffer);
for (int32_t i = 0; i < num_of_frames_in_buffer; ++i) {
FlushFrame (cbk);
}
if (bEnableYuvDumpTest) {
fclose (pYuvFile);
}
return true;
}
bool BaseThreadDecoderTest::Open (const char* fileName) {
if (decodeStatus_ == OpenFile) {
file_.open (fileName, std::ios_base::out | std::ios_base::binary);
if (file_.is_open()) {
decodeStatus_ = Decoding;
return true;
}
}
return false;
}