[FFmpeg-devel] [PATCH] delete the old segment file from hls list

Steven Liu lingjiujianke at gmail.com
Tue Aug 12 15:30:52 CEST 2014

On Aug 12, 2014, at 8:37 PM, Simon Thelen <ffmpeg-dev at c-14.de> wrote:

> On 12/08/14 at 10:36, Steven Liu wrote:
>> 2014-08-12 7:26 GMT+08:00 Simon Thelen <ffmpeg-dev at c-14.de>:
>>> On 11/08/14 at 17:39, Steven Liu wrote:
> [..]
>>>> The FFmpeg hls module can make m3u8 and ts, but it dosen't delete the
>>>> old ts segment file.
>>>> If always run this module, the disk will full, so this patch can fix
>>>> the problem.
>>>> When update the segment list m3u8 file, it will delete the ts segment
>>>> out range from the list file.
>>> [..]
>>> I'm pretty sure this is why the hls muxer has the `-hls_wrap wrap' option.
> [..]
>>     hls_list_size and hls_wrap option two can fix the problem, but this
>> patch can fix the problem of the default parameter, because the ts file on
>> disk , one to one correspondence with the m3u8 file will better, isn't it?
> IMO, the problem is that you're modifying the default behavior even
> though an option already exists to let you specify the amount of segment
> files to keep around. This might be suitable in your use-case, but what
> if I (or someone else) wanted to keep all the segment files for archival
> purposes, but not list them in the m3u8; with your patch this no longer
> becomes possible.
> If you were to write a new patch that made hls_wrap default to
> hls_list_size instead of the default 0, it would no longer impose
> artificial limits on users. At that point, the inclusion of the patch
> would depend on the opinion of the hls maintainer and the other FFmpeg
> maintainers with opinions on the matter.
Hi Simon Thelen,

	Maybe you’re right.
	I think the '-f segment' can save all of the segment ts file, so hls is used for living stream,
	so it not save segment ts be better;  
	Maybe i’m wrong. but this patch just used for remove the segment ts not list in m3u8. :D
> -- 
> Simon Thelen
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