[FFmpeg-user] fMP4 generation speed

[Ronak]

> On Jun 27, 2018, at 1:50 AM, Carl Zwanzig <cpz at tuunq.com> wrote:
> 
> On 6/26/2018 9:20 PM, Ronak wrote:
>> The temp files are made in the CWD. And they are constantly created and
>> destroyed for every single fragment it seems. I looked into the ffmpeg
>> code and it looks like every single method in hlsenc and dashenc opens
>> and closes these file handles.
>> I would like to make modifications to the code to fix it, but it's hard
>> to follow exactly which methods to modify.
> First thing I'd look at doing is to create the temp files in /tmp (*nix) or /temp (windoze); just that and a memory file system for /tmp would do wonders for throughput. Admittedly, it's not a real solution.
> 
> Past that, I suspect that any other change to use memory buffers instead of files will be a more structural change. If I have a chance, I'll look at the code tomorrow.
> 
> (z wonders why the code's author thought this was a good idea...)
> 
> Later,
> 
> z!

Ok great thanks Carl!


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