[FFmpeg-devel] [PATCH] Reduce exessive seeking in mov demuxer

Baptiste Coudurier baptiste.coudurier
Sat Dec 15 20:10:09 CET 2007


Michael Niedermayer wrote:
> Hi
> 
> On Sat, Oct 06, 2007 at 12:40:51AM +0200, elupus wrote:
> 
>>>Yes, I totally agree.
>>>Im still thinking about a nice way to handle piped or streamed files
>>>where it might be better to read by position.
>>>Demuxing that way for url_is_streamed files might be ok.
>>>
>>>What do you think about that ?
>>>
>>
>>In general that sounds like a good plan, but there is a problem with that 
>>for http streams where seeking actually is allowed, just not fast. Setting 
>>url_is_streamed then isn't a good approach as it breaks other files + 
>>changes how the mov header is read.
>>
>>I'm quite sure the supplied patch will be accepted as is. if nothing else 
>>cause it does mix in some cosmetics + code dup. But maybe something like it 
>>would.
>>
>>It can force up to a second of buffered data wich might be unacceptable. 
>>But for my purpose it'll be fine (we buffer almost 8 seconds :/).
>>
>>What do you guys think?
> 
> 
> the patch is trashed that is linewrapped ..
> also it should be split in the url_is_streamed and the 1 second part
> the first i think we all agree is good
> iam not so sure about the 1sec part, but iam not objecting against that
> if baptiste thinks its usefull
> 

Applied slightly modified.

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