RAW H264 to MP4

[Robin Aproskie]

Hi Tim

So how do you execute the  '-e' option in C ?

Robin


On Tue, 2014-05-06 at 16:16 -0400, Luis de Bethencourt wrote:

> Not sure if this is possible.
> Not sure if you can mux again the h264 considering
> timestamps/keyframes change very easily.
> Please somebody correct me if I am wrong.

Why would it not work? It should work just fine.

This seems to work for me with 1.2.4:

 $ gst-launch-1.0 videotestsrc ! x264enc ! rtph264pay config-interval=10
pt=96 ! udpsink host=127.0.0.1 port=5001 &

 $ gst-launch-1.0 -v -e udpsrc address=127.0.0.1 port=5001
caps='application/x-rtp, media=(string)video, clock-rate=(int)90000,
encoding-name=(string)H264' ! rtpjitterbuffer ! rtph264depay !
h264parse ! mp4mux ! filesink location=/tmp/rtp.mp4

I was wrong. That is very cool!

Thanks Tim.

Luis


Might take a few seconds for things to start on the receiver (lower
config-interval on the sender to make that faster).

Important is the -e argument here, to make sure that the .mp4 file gets
finalized properly when you stop the receiver with Control-C.

Cheers
 -Tim

> On 6 May 2014 06:07, digi <griesel at me.com<mailto:griesel at me.com>> wrote:
>         Hey guys,
>
>         *tx:* gst-launch-1.0 filesrc location=input.h264 !
>         video/x-h264,width=640,height=480,framerate=30/1 ! h264parse !
>         rtph264pay
>         config-interval=10 pt=96 ! udpsink host=127.0.0.1 port=5001
>
>         *rx:* gst-launch-1.0 -v udpsrc port=5001
>         caps='application/x-rtp,
>         media=(string)video, clock-rate=(int)90000,
>         encoding-name=(string)H264' !
>         rtph264depay !
>         video/x-h264,width=640,height=480,framerate=30/1 ! h264parse
>         ! mp4mux ! filesink location=output.mp4
>
>         The rx command gave me:
>         0x7f908c0cda30 WARN qtmux
>         gstqtmux.c:2116:check_and_subtract_ts:<mp4mux0>
>         Subtraction would result in negative value, using 0 as result
>
>         What is the right way to convert raw h264 data into mp4 files
>         without
>         re-encoding?
>
>         Thanks,
>         Digi
>
>
>
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--
Tim Müller, Centricular Ltd - http://www.centricular.com

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