[Ffmpeg-devel] How to retrieve audio or video stream at same timestamp using av_read_frame

Martin Boehme boehme
Mon May 23 14:51:36 CEST 2005

Michel Bardiaux wrote:
> Martin Boehme wrote:
>> Michel Bardiaux wrote:
>>> Besides, I dont feel having 2 AVFormatContext (only way now to have 
>>> independently seekable streams) is going the thrash memory anyway 
>>> (strictly SOTP of course).
>> SOTP? Could you decode that for me...? ;-)
> Seat-of-the-pants :-)

Ah, OK... didn't know that one yet.

>> I wasn't that worried about thrashing memory... more worried about 
>> thrashing the disk. The OS's disk cache and/or the HD's built-in cache 
>> is probably going to catch that, but if not, the disk head is going to 
>> be going back and forth a lot. ;-) That's what I was referring to...
> It is unlikely that the disk blocks for V and A at the same timestamp 
> will be very far from each other.

Of course...


Martin B?hme
Inst. f. Neuro- and Bioinformatics
Ratzeburger Allee 160, D-23538 Luebeck
Phone: +49 451 500 5514
Fax:   +49 451 500 5502
boehme at inb.uni-luebeck.de

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