Re: [Boost-users] count compressed bytes

Subject: Re: [Boost-users] count compressed bytes
From: Roland Bock (rbock_at_[hidden])
Date: 2010-06-11 03:41:40

Kraus Philipp wrote:
> Hi,
> 
> I have implemented this litte code to compress a file
> 
> bio::filtering_streambuf< bio::input > l_deflate;
> switch (m_compress) {
>     case gzip   : l_deflate.push( bio::gzip_compressor() );     break;
>     case bzip2  : l_deflate.push( bio::bzip2_compressor() );    break;
> }
> 
>        
> 
> l_deflate.push( bio::file_source(p_str, BOOST_IOS::binary) );
> 
> 
> I need only the number of compressed bytes of l_deflate. I try to
> 
> use l_deflate.size() but it returns only a fixed number.
> 
> 
> How I can read the number of compressed bytes?
> 
> 
> Thanks
> 
> 
> Phil
> 

The only method I know is to add a small filter which counts the Bytes.

Regards,

Roland