[FFmpeg-devel] [PATCH] [RFC]doc/examples: alternative input handler

[Bodecs Bela]

2018.04.06. 1:34 keltezéssel, wm4 írta:
> On Fri, 30 Mar 2018 14:47:25 +0200
> Bodecs Bela <bodecsb at vivanet.hu> wrote:
>
>> Hi All,
>>
>> regularly, on different forums and mailing lists a requirement popups
>> for a feature to automatically failover switching between main input and a
>> secondary input in case of main input unavailability.
>>
>> The base motivation: let's say you have a unreliable live stream source
>> and you
>> want to transcode its video and audio streams in realtime but you
>> want to survive the ocasions when the source is unavailable. So use a
>> secondary live source but the transition should occur seamlessly without
>> breaking/re-starting the transcoding processs.
>>
>> Some days ago there was a discussion on devel-irc about this topic and
>> we concluded that this feature is not feasible inside ffmpeg without
>> "hacking", but a separate client app could do this.
>>
>> So I created this example app to handle two separate input sources and
>> switching realtime between them. I am not sure wheter it should be
>> inside the tools subdir.
>>
>> The detailed description is available in the header section of the
>> source file.
>>
>> I will appretiate your suggestions about it.
>>
>> Thank you in advance.
>>
>> best,
>>
>> Bela Bodecs
>>
>>
> Does this really quality as example? It's way too complex and seems to
> be about a specific use case in place of ffmpeg.c, rather than
> demonstrating API use in an educational way (what code examples are
> supposed to do).
>
> If someone wants to merge this, at least add it as top level program,
> and not under the examples directory.
Thank you for your feedback.
Because on irc some said that other program can do this live switching, 
I only wanted to demonstrate that this feature is feasible based on ffmpeg.
As I wrote I am also not sure wheter it should be inside the tools 
subdir or as an example or something else.
Frankly, I do not know what formal requirements I  should include into 
the code to be qualified as a separate tool.

bb

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