[FFmpeg-devel] TCP timeout for HTTP/HTTPS connections.

[Steven Liu]

> 在 2019年11月18日，16:44，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
> 
> That would probably work in the one case where it's looking at the next
> entry in the list. It's actually blocking on a read, so I need some way
> to interrupt it. I will try AVIOInterruptCB and see how I go.

AVIOInterruptCB maybe ok if that is blocking. But is dose not useful if it always refresh m3u8.
> 
> 
> 
> On 18/11/19 7:36 pm, Steven Liu wrote:
>> 
>>> 在 2019年11月18日，16:11，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
>>> 
>>> I essentially have a thread that I need to have exit immediately.  I
>>> thought tweaking timeouts would be one way to get this done, but I'm
>>> starting to think that's a bad approach.
>>> 
>>> So, let me, maybe, rephrase the question: Is there a way I can tell
>>> ffmpeg to terminate? Like, closing its sockets, or something like that?
>>> This is all from another thread.
>> Just append an “#EXT-X-ENDLIST” into the m3u8 list is ok.
>> 
>>> 
>>> On 18/11/19 7:06 pm, Steven Liu wrote:
>>>>> 在 2019年11月18日，15:37，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
>>>>> 
>>>>> That seems to change the call-stack a bit, but it still gets stuck on
>>>>> something in hls.c.
>>>>> 
>>>>> I'm looking into what it is. I've also tried connect_timeout.
>>>>> 
>>>>> I really just need to terminate the av_read_frame call, so that it
>>>>> returns immediately when I need it to, but av_read_frame appears to
>>>>> reconnect internally.
>>>> Ah, maybe i get your point, do you mean you don’t like the hls always retry 
>>>> get the m3u8 list when the last segment don’t update living mode?
>>>> 
>>>>> On 18/11/19 6:02 pm, Steven Liu wrote:
>>>>>>> 在 2019年11月18日，14:56，Tom Gaudasiński <tomg at records.headdesk.com.au> 写道：
>>>>>>> 
>>>>>>> I'm trying to set a read timeout for a http/https stream through the
>>>>>>> API. Currently I'm passing...
>>>>>>> 
>>>>>>>    av_dict_set(&options, "timeout", "100000", 0);
>>>>>>> 
>>>>>>> ... to avformat_open_input().
>>>>>>> 
>>>>>>> This appears to not work once the connection has been established. The
>>>>>>> protocol call-stack appears to be
>>>>>>> 
>>>>>>> hls.c -> http.c -> avio.c -> tcp.c -> network.c
>>>>>> What about use rw_timeout ?
>>>>>>> The issue, I think, is that tcp.c only gets it's timeout from a
>>>>>>> ?key=val&key=val  string at the end of the URL supplied to tcp.c, but
>>>>>>> http.c or avio.c don't supply this. In fact, when I see what was passed
>>>>>>> down, it's just "tcp://hostname.tld:80".
>>>>>>> 
>>>>>>> Am I missing something? Is there a way to get ffmpeg to set tcp-timeout
>>>>>>> from the very top-level API calls? I can't see it.
>>>>>>> 
>>>>>>> Thank you.
>>>>>>> 
>>>>>>> --Tom G.
>>>>>>> 
>>>>>>> 
>>>>>>> _______________________________________________
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>>>>>> Thanks
>>>>>> Steven
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
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>>>>> _______________________________________________
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>>>> Thanks
>>>> Steven
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
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>>> 
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>> Thanks
>> Steven
>> 
>> 
>> 
>> 
>> 
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> 
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Thanks
Steven