[Ffmpeg-devel] amr file support fix

Michael Niedermayer michaelni
Wed Oct 11 01:21:07 CEST 2006


On Mon, Oct 09, 2006 at 09:24:11PM +0200, Simon Morlat wrote:
> Hello,
> While using libavformat to read AMR and AMR-WB files in my application, I 
> noticed that the 'pts' (presentation timestamp) field of the returned 
> AVPacket was not set (actually set to zero all the time).
> After some digging in the code I found that the AVPacket::duration field was 
> not set, and the time_base was left to a probable default value (1/90000) 
> which is usual for video but very unusual for audio.
> Here is a very little patch that fixes those issues. It was generated 
> with 'svn diff' today.
> It sets the time_base to 1/8000 for amr and 1/16000 for amr-wb, and makes the 
> pts incrementing respectively by 160 and 320, just by setting 
> AVPacket::duration.

looks ok

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is

More information about the ffmpeg-devel mailing list