[vlc-devel] [PATCH 01/10] [RFC] core: add demux-filter objects to intercept & filter demuxer calls

[Steve Lhomme]

On Tue, May 31, 2016 at 4:28 PM, Rémi Denis-Courmont <remi at remlab.net> wrote:
> Le 2016-05-31 16:05, Steve Lhomme a écrit :
>>
>> On Tue, May 31, 2016 at 3:28 PM, Rémi Denis-Courmont <remi at remlab.net>
>> wrote:
>>>
>>> Le 2016-05-31 13:15, Steve Lhomme a écrit :
>>>>
>>>>
>>>> This can be used to tweak the results of some Control() calls or delay
>>>> the
>>>> actual Demux() call.
>>>>
>>>> A demuxer filter should call demux_FilterDemuxNext() to call the demux
>>>> operation to the next demuxer in line and demux_vaFilterControlNext() to
>>>> pass
>>>> the control calls to the next demuxer in line.
>>>
>>>
>>>
>>> No way. I have spent an awful lot of times removing this bug with stream
>>> filters and access. You don't get to add it back.
>>
>>
>> It is only for demuxer filters. This code did not exist before. All
>> the other demuxer users continue to work the same.
>
>
> And? Just like access, stream_filters, and pretty much all plugin types,
> demuxers are not reentrant.

What's reentrant about filterA->filterB->demuxer calls ?

> --
> Rémi Denis-Courmont
> http://www.remlab.net/
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