[Mp4-tech] RE: [MPEGIF Discuss] Media file format

[Mehdi Sharifi]

hi ,
thank you all.
but the document ISO/IEC 14496 part 1 is also for sale . i donn't have credit card.
thank you any way. I have another question , can you refer me to a good library , parser or free source code  that I can use to  decode 3gp , amr , mp4 files ?
with best wishes
--mehdi
Jayank Bhalod <jayank.bhalod vidiator.com> wrote:
v\:* {behavior:url(#default#VML);}o\:* {behavior:url(#default#VML);}w\:* {behavior:url(#default#VML);}.shape {behavior:url(#default#VML);}
Why don’t you read ISO/IEC 14496 part 1 chapter 13 which explains this to the limit of 3gpp file? Or else you should be able to get some mp4 parser, which you can modify to make it 3gp compliant.
Thanks,
Jay
-----Original Message-----
From: Mehdi Sharifi [mailto:gedrozia yahoo.com] 
Sent: Monday, August 23, 2023 10:37 PM
To: discuss lists.mpegif.org
Subject: [MPEGIF Discuss] Media file format
hi,
  thank you for replying me.   let me explain my work to you. I have a .3gp file and I should decode it and extract Audio and Video streams from it. I read  3GPP TS 26.244 (3GPP file format) but this document only had  info about "Sample Description Box" 
and it referred other Boxes to "Information technology – Coding of audio-visual objects – Part 12: ISO base media file format"  and I can't  afford thid document . I hope if you can give me this file.
thank you
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