[tsdemux] ffmpeg :0:: non-existing PPS referenced

[Olivier Crête]

Hi,

h264parse can be used to re-transmit the PPS regularly. That said, the
most common RTP scenario is to send audio and video over separate ports
(so each uses a separate payloader).

Olivier


On Mon, 2014-03-17 at 09:41 -0400, Chuck Crisler wrote:
> You can't decode the h264 stream without an SPS/PPS. If you think that
> it worked then you probably missed something. Since you can't
> re-transmit the SPS/PPS with rtpmp2tpay (don't know why not) you
> should look further upstream (at the source?) and see if you can set
> the SPS/PPS/IFrame (or GOP) interval.
> 
> 
> 
> On Sat, Mar 15, 2014 at 2:49 AM, cxphong <caoxuanphong.khtn at gmail.com>
> wrote:
>         I found out the reason of my problem.
>         
>         It causes by missing *SPS/PPS* so *ffdec_h264* can't decode
>         the stream.
>         Weird, when receiver run before sender, *ffdec_h264* can
>         decode the stream
>         without *SPS/PPS* from sender.
>         Could someone please explain it?
>         
>         And If I stream only video, I can use *rtph264pay* with option
>         *config-interval* to resend SPS/PPS so ffdec_h264 can decode
>         the stream, but
>         here I stream video+audio so I used *rtpmp2tpay*. So I don't
>         know how to fix
>         this problem with *rtpmp2tpay*.
>         
>         Thanks all!
>         
>         
>         
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-- 
Olivier Crête
olivier.crete at collabora.com