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https://github.com/hank/dsf2flac

Code for converting DSF to FLAC files
https://github.com/hank/dsf2flac

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Code for converting DSF to FLAC files

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README 

        
dsf2flac - ~http://code.google.com/p/dsf2flac/~



# Introduction

A file conversion tool for translating dsf or dff dsd audio files into flac pcm

audio files.  I originally wrote this because I could not quite find any tool

which did exactly what I wanted.  I program quite a lot in java and I'm pretty

good at matlab. Although I've very occasionally written things in C and CPP,

this is really my first attempt at a full CPP program. I'm sure there are

errors, hopefully none to horrible.  I've tried to write things in a pretty

versatile/clear way. It should be possible to expand the functionality to add

other file types quite easily.  If you want to try different convesion filters

then it should be dead simple: just look in `filters.cpp`.



# Compiling

I developed and tested this program on Linux x86_64 with GCC. It probably

compile and works on x86 GCC too. Windows might be a bit more work.  If you are

building statically you'll need to link against these libs:

```

FLAC++

FLAC

boost_system

boost_timer

boost_filesystem

boost_chrono

id3

z

rt

ogg

```

However, only the following are required to build a dynamically linked library (which is probably the use case for most people):

```

FLAC++

boost_system

boost_timer

boost_filesystem

id3

```

Simply run `./autogen.sh` if you have GNU autoconf and automake installed. If all goes well, it will generate and run `configure` which will execute successfully. If there are any errors such as missing development libraries, please fix them and re-run `./autogen.sh`.



If everything went smoothly, you can now run `make` and `src/dsf2flac` should be generated. By default, the installation prefix is set to `/usr/local`, so `sudo make install` would install it in `/usr/local/bin`. However, the prefix can be overriden using the `configure` script after running `autogen.sh`. Simply run `./configure --prefix=/your/prefix/path`. For more information, please see `./configure --help`



# Running

If you run `dsf2flac -h` you'll get a list of the options.



At the very simplest level you just need to run

```

dsf2flac -i some_audio_file.dsf

```

Or you may play file directly via DSD capable sound card

```

dsf2flac -d -i "some_audio_file.dsf" -o - 2>/dev/null | ffmpeg -i - -c pcm_s32le  -f alsa hw:1

```



# Benchmark

I was quite pleased with the performance.

For example, with the default filters (which are quite long) the program

will convert and encode from DSD64 to 24bit 88200Hz flac at around 

14x realtime on my ageing laptop (Intel Core2Duo P8600 @2.4GHz)



# License

Copyright (c) 2013 by respective authors.



This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2 of the License, or

(at your option) any later version.



This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.



You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



# Acknowledgements

Many thanks to the following authors and projects whose work has greatly

helped the development of this tool.



Sebastian Gesemann - dsd2pcm (http://code.google.com/p/dsd2pcm/)  

SACD Ripper (http://code.google.com/p/sacd-ripper/)  

Maxim V.Anisiutkin - foo_input_sacd (http://sourceforge.net/projects/sacddecoder/files/)  

Vladislav Goncharov - foo_input_sacd_hq (http://vladgsound.wordpress.com)  

Jesus R - www.sonore.us  

Erik Gregg - slight mods and github posting  

Misha Nasledov - autotools-based build mess to make it easier to build for the masses (http://github.com/mishan/)  

Michaela Merz - piped output (http://blog.michaelamerz.com/wordpress/playing-dsd-files-without-mpd/)