[Mp4-tech] Mp4/M4a/WMA header format

[Magda Barros]

  Hi,
 Thanks for your help!
 I´ve already can get the meta data of MP4 file.... I've not can make the
parser for the 'covr' atom yet.
 I need get the picture information, like the mime type. Please, tell me If
you know how to do this.
 I would highly appreciate any help from you.
 Thanks in advance,
  Magda.
 On 7/29/06, tech list <mp3.aac.mp4 gmail.com> wrote:
>
> You would need a parser for MP4 file format. Open source code is
> available, you can give  a google search and come up with something. Parsing
> will tell you if the file contians video or auido or both. For the meta data
> like artist, album ,etc. I am not sure if there is a standard for it like
> ID3. Are you trying to embed this info into the MP4 files, or trying to
> extract them from existing files?
>
>  On 7/24/06, Magda Barros < magda.barros gmail.com> wrote:
>
> >
>   Hi,
>
>  With Mp3 files, through parser in ID3v1, ID3v2... I get informations:
> title,artist,album,comment,year,genre ...
> 1. In the case of MP4 and M4a files, as I can to get these information?
> 2. How to make parser in these two kind of files(header)?
> 3. Somebody has some document with the specification of the format of
> these formats?
> 4. I want to consider Mp4 archives that contain only information of audio.
> How to know that if the MP4 contains video, audio?
>    So, could me one of you help me?
>
>   Thanks,
>     Magda.*
>  *
> **
>
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