Encoder:
+ Update help information when the encoder is run with no arguments to
include the version number, to clarify the usage of the "-w" option
and to show some examples of common use.
+ Remove -s option on windows, as it doesn't work there yet.
+ Add support for videos at 23.97fps
+ Fix the makefile for x86_64 linux platforms.
+ Fix audio resampling bug when converting from sample rates lower
than 32kHz.
+ Fix freezing / memory allocation problem with certain video inputs.
+ Change default output filename to be the input file name with the
extension changed to '.dsv'

Decoder:
Unchanged.

试了一下，确实还没到实用阶段
移植了ffmpeg，目前只能跑到12多fps，23.97指的是支持23.97的源文件转换成12.5fps，而不是说可以转换出来23.976的可播放片段
另外，画质不佳，转换软件尚未成型，仅支持avi输入