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

[Tom Gaudasiński]

Interesting. I will try this (AVIOInterruptCB) out and reply here soon.


On 18/11/19 7:37 pm, zhilizhao wrote:
>
>> On Nov 18, 2019, at 4:11 PM, Tom Gaudasiński <tomg at records.headdesk.com.au> wrote:
>>
>> 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.
> Does AVIOInterruptCB interrupt_callback work for the case?
>
>>
>> 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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>>> Thanks
>>> Steven
>>>
>>>
>>>
>>>
>>>
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