将VVC VTM参考软件的值输出到文本文件中

Question

从CABACWriter.cpp编辑的代码这是我用来获取宏块中位数并将其输出到文本文件的代码：

int before;
int after;
int diff;
ofstream outfile;
outfile.open("Macroblock.txt");
if (isEncoding())
{
before = m_BinEncoder.getNumWrittenBits();
}
coding_unit( cu, partitioner, cuCtx );
if (isEncoding())
{

after = m_BinEncoder.getNumWrittenBits();
diff = after - before;
}

outfile << diff << endl;
outfile.close();

当我运行时，我只得到文本文件中最后一个宏块的位数。

这是我用来显示每个宏块中的位数的代码，而不将它们放在文本文件中：

int before;
int after;
int diff;

if (isEncoding())
{

before = m_BinEncoder.getNumWrittenBits();
}
// coding unit
coding_unit( cu, partitioner, cuCtx );
if (isEncoding())
{
after = m_BinEncoder.getNumWrittenBits();
diff = after - before;
}
cout<<"The difference is: "<<diff<<endl;

当我这样做的时候，我可以看到每个宏块中的比特数，而不仅仅是最后一个宏块。

有人能帮我显示输出文本文件中每个宏块的位数吗？我想使用for循环，但我不知道最大迭代应该是多少，因为每个视频在每帧中都有不同数量的宏块。所以我认为应该有一个适用于所有人的变量。

Answer 1

所以我想明白了。这是得到我想要的东西的正确答案：

int before;
int after;
int diff;
ofstream outfile;
outfile.open("Macroblock.txt", ofstream::app);
if (isEncoding())
{

before = m_BinEncoder.getNumWrittenBits();
}
// coding unit
coding_unit( cu, partitioner, cuCtx );
if (isEncoding()){

after = m_BinEncoder.getNumWrittenBits();

diff = after - before;
}

streambuf* stream_buffer_cout = cout.rdbuf();

streambuf* stream_buffer_file = outfile.rdbuf();
cout.rdbuf(stream_buffer_file);
cout<<"The difference is: "<<diff<<endl;

outfile.close();