[Libav-user] av_read_frame() hangup (no timeout)

[bsenftner at earthlink.net]

Are you looking for this?

https://gist.github.com/bsenftner/ba3d493fa36b0b201ffd995e8c2c60a2

That's the modification to av_read_frame() for detecting an unexpected stream termination.

-Blake Senftner

-----Original Message-----
From: Libav-user <libav-user-bounces at ffmpeg.org> On Behalf Of Paul B Mahol
Sent: Sunday, November 17, 2019 3:35 AM
To: This list is about using libavcodec, libavformat, libavutil, libavdevice and libavfilter. <libav-user at ffmpeg.org>
Subject: Re: [Libav-user] av_read_frame() hangup (no timeout)

On 11/16/19, bsenftner at earthlink.net <bsenftner at earthlink.net> wrote:
>
>
>>I am implementing rtmp reading into my viewer and have run into the 
>>unfortunate event that av_read_frame() hangs when reaching the end of 
>>the video being sent over the protocol.  I was hoping it would return 
>>AVERROR_EOF or a timeout error, but none of the sort seems to happen.
>>Thus, my viewer just hangs at the end of the video.
>>
>>I tested with ffplay and the same seems to happen there, where the 
>>window close button becomes ineffective.
>>
>
> Please take a look at this:
> https://ffmpeg.org/pipermail/libav-user/2017-February/010086.html
>
> It is a 5 line addition to libavformat/utils.c that adds an 
> av_read_frame() I/O callback.
> I added this a few years ago to my local ffmpeg compile, tried to get 
> it adopted by the official ffmpeg dev maintainers, but they felt it 
> was (incorrectly, IMHO) too specific to streaming playback.

Where is such statement?

> My company uses this av_read_frame()callback to identify when a 
> network stream unexpectedly terminates, often caused by someone 
> turning off or tripping over a security camera cable.
>
>
> -Blake Senftner, geek.
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