Properties of ALAC in mp4
lalinsky at gmail.com
Wed Jun 8 20:21:26 CEST 2011
On Wed, Jun 8, 2011 at 7:40 PM, Frank Lai <frank.franklai at gmail.com> wrote:
> The alac format info is
> from http://wiki.multimedia.cx/index.php?title=Apple_Lossless_Audio_Coding
> Test an alac file encoded by iTunes. The bitrate is correct. But test
> another alac file encoded by FFmpeg, the bitrate is 1411 kbps.
> Found a link discussing this
> issue http://www.hydrogenaudio.org/forums/index.php?showtopic=76768
> Looks like FFmpeg did not fill the bitrate value correctly. But other
> applications (except iTunes) can report the correct bitrate, so there should
> be another way to calculate the bitrate.
Ah, if it's a FFmpeg bug then I'm happy with it. I've committed a test
file to the repo, any chance you could encode it using iTunes for me?
More information about the taglib-devel