[FFmpeg-devel] [PATCH] lavf/dashenc: Fix file URI handling when deleting files.

Jeyapal, Karthick kjeyapal at akamai.com
Fri Nov 30 08:08:32 EET 2018

On 11/29/18 11:49 PM, Andrey Semashev wrote:
> On 11/29/18 2:17 PM, Andrey Semashev wrote:
>> On 11/29/18 2:15 PM, Andrey Semashev wrote:
>>> On 11/28/18 7:47 PM, Jeyapal, Karthick wrote:
>>>> On 11/28/18 4:46 PM, Andrey Semashev wrote:
>>>>> The URI used to open the output streams may be an actual URI with "file" scheme,
>>>>> according to https://tools.ietf.org/html/rfc8089. This commit makes file
>>>>> deletion routine recognize file URIs and extract the actual filesystem path
>>>>> from it. 
>>>> There is already some code in ffmpeg to handle this. It is present in file_delete() function in file.c.
>>>> We will need to avoid code duplication for the same functionality. One option could be to call avpriv_io_delete() function instead of calling unlink, so that file_delete function gets called.
>>>> Calling avpriv_io_delete will also make the delete functionality easily extendable for other output protocols. 
>>> That would be fine with me, but I'm using Linux. Looking at file_delete (in libavformat/file.c), it looks like it will only work on POSIX systems but not on Windows, since it doesn't have unistd.h. Am I correct? And if so, is avpriv_io_delete still the preferred approach? 
>> Also, that code doesn't seem to support the URI with an authority field and doesn't check the special "localhost" case. 
> I've sent a new set of patches that updates both file.c and dashenc.c.
Thanks for your understanding. Looks like that will be the clean approach for fixing this problem.
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