[FFmpeg-devel] [PATCH] ffmpeg: block output == input for files

[Gyan Doshi]

On 29-08-2018 09:48 AM, Gyan Doshi wrote:
> On 29-08-2018 02:43 AM, Michael Niedermayer wrote:
>> On Tue, Aug 28, 2018 at 08:31:51AM +0200, Marton Balint wrote:
> 
>>>
>>> Instead of this, maybe we should add support to write lock the files 
>>> when
>>> opening them for reading. Then ffmpeg can request this. That would be an
>>> useful option, and not just for unexperienced users.
>>
>> depending on how this is done, it could interfere with reading a file 
>> while
>> it is being written/appeneded to by another process
> 
> Yes, a user may use a growing MPEG-TS file as input.
> 
> Also, is there a universal & portable way to secure a write lock across 
> all platforms?
> 
> I think a 'soft' solution is preferable.

Any suggestions or objections?

If no, will push in a day.

Gyan