[gst-devel] gst-ffmpeg-0.10.5: ffmux_* can not be restarted

[Irfan Shaikh]

Hi try using asfdemux instead instead ffdemux_asf,
It should work..

Inform me if it works

Regards,
Irfan


-----Original Message-----
From: Pavel Zeldin [mailto:pzeldin at gmail.com]
Sent: Tue 10/7/2008 4:57 AM
To: Discussion of the development of GStreamer
Subject: Re: [gst-devel] gst-ffmpeg-0.10.5: ffmux_* can not be restarted
 
On Mon, Oct 6, 2008 at 10:34 AM, Irfan Shaikh
<irfanshaikh at tataelxsi.co.in> wrote:
>
> hi,
> Can you just explain in brief, watz the problem you are facing with
> ffmux_asf.If you explain with the pipeline i would be more clear.
For the pipeline like this:
videotestsrc ! ffmpegcolorspace ! timeoverlay ! ffenc_msmpeg4 !
ffmux_asf ! ffdemux_asf ! ffdec_msmpeg4 ! ffmpegcolorspace !
ximagesink
When the pipeline goes NULL->PLAYING .. PLAYING->NULL .. NULL->PLAYING
I expect to see the timestamps reset to zero on second NULL->PLAYING
transition. It does not happen. If the pipeline
does not have 'fmux_asf ! ffdemux_asf' it works as expected.

I tried avimux as well, but there are bugs in gstavidemux.c that
prevent it from working :-(

What I really need to do is to create a recording application that
quikly rotates the file (close, open new). I am using
filesink and when size or time limit is exceeded set pipeline to
READY, change "location", set to "PLAYING" again.
Works with avimux, but not with ffmux.

I attached a test program to the bug. The program runs a pipeline and
does PLAYING->NULL->PLAYING on HUP  signal.

>
> There are 2 muxer plugins for asf.
> 1)ffmpeg's ASF muxer (ffmux_asf)
> 2)There is gstasfmux.c file in gst-plugins-ugly and gst-plugins
>
> In the second approach you need to port the .c file to the current
> gstreamer.
>
> Porting of these .c file to gstreamer would be appreciated,
>
> Regards,
> Irfan
>
>
>
>
>
> -----Original Message-----
> From: Stefan Kost [mailto:ensonic at hora-obscura.de]
> Sent: Mon 10/6/2008 7:45 PM
> To: Discussion of the development of GStreamer
> Subject: Re: [gst-devel] gst-ffmpeg-0.10.5: ffmux_* can not be restarted
>
> hi,
>
> asf plugin code (in gst-plugins-ugly) has a muxer that could be ported
> to 0.10. Reusing ffmpeg components seems to be a bit tricky.
>
> Stefan
>
> Pavel Zeldin schrieb:
>> Ignorance.
>> What muxer should I use for ASF and mpeg?
>> And what's the deal with ffmux?
>> -Pavel.
>>
>> On Sun, Oct 5, 2008 at 5:49 AM, Felipe Contreras
>> <felipe.contreras at gmail.com> wrote:
>>
>>> On Fri, Oct 3, 2008 at 1:35 AM, Pavel Zeldin <pzeldin at gmail.com> wrote:
>>>
>>>> I have a pipeline with ffmux (ffmux_mpeg or ffmux_asf) which I need to
>>>> stop and restart (PLAYING->PAUSED->READY->NULL;
>>>> NULL->READY->PAUSED->PLAYING) repeatedly. It does not work because the
>>>> streams are not reset, and after restart mux sees buffers with timestamp
>>>> earlier than what it expects, outputs "error, non monotone timestamps"
>>>> and returns an error.
>>>> The same pipeline works with avimux.
>>>>
>>> FFmpeg muxers aren't properly supported, why are you trying them?
>>>
>>> --
>>> Felipe Contreras
>>>
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