[Ffmpeg-devel] Re: ffmpeg mp4 demuxer doesnt handle 64bit

[bond]

> I tried to fix it but I don't know if it works as I don't have any test
> file with version1 mdhd that I know of.
>
> plese cvs up and test.

great i will try it asap

> >    type mdia
> >     type mdhd
> >      version = 1 (0x01)
> >      flags = 0 (0x000000)
> >      creationTime = 3218293987 (0x00000000bfd344e3)
> >      modificationTime = 3218295051 (0x00000000bfd3490b)
> >      timeScale = 15712911 (0x00efc28f)
>
> So is it 32 or 64 bits here ??
>
> >      duration = 4525654016 (0x000000010dc00000)

creation/modtime and duration is 64bit, as mentioned in the specs

> >      language = 21956 (0x55c4)
>
> That doesn't look like a valid language code (< 138, though the table I
> have is partial)

its valid and means "und" for undefined. you can use quicktime or mp4box for
setting the language tags on mp4 files