recorded video file using gstreamer pipeline has problem in kdenlive(have no timestamp in VLC), failed to play

[Tim Müller]

On Sat, 2015-10-03 at 15:17 -0700, sina_sh wrote:

Hi,

> I have a gstreamer pipeline to record Video (MJPEG)+Audio from a
> Webcam
> (C930e) as below:
> 
> 
>     gst-launch-1.0  v4l2src device=/dev/video1 ! 'image/jpeg,
> width=1920,
> height=1080, framerate=30/1' \
>     ! videorate ! queue  ! mux2. \
>      pulsesrc
> device="alsa_input.usb-046d_Logitech_Webcam_C930e_AAF8A63E-02
> -C930e.analog-stereo"
> \
>     !  'audio/x-raw,rate=44100,channels=1,depth=24' !  audioconvert \
>     !  avenc_aac compliance=experimental ! queue ! mux2. matroskamux 
>    \
>     name="mux2" ! filesink location=/home/sina/Webcam.mts
> 
> 
> 
> every time I try to play the recorded video file (.mts) the player
> can not
> detect its duration (I'm using ffplay) + also Kdenlive can not even
> play it!
> 
> my assumption is that this happens because the kdenlive can not
> detect the
> duration of the video(?), am I right? 
> 
> What should I do to get the kdenlive (and other players) to play this
> video
> smoothly? what part of my pipeline causes the problem?

Pass the -e option to gst-launch-1.0, then the file will be finalized
properly when you interrupt the pipeline with Control-C.


> p.s: I don't wanna change the container to another one (or convert
> the video
> file) since it has to be in a .mts one due to future implementations.
> it has
> to capture in Mjpeg since that's the only option I have to capture in 
> HD.

Just keep in mind that ".mts" usually means MPEG-TS format, not
Matroska.

Cheers
 -Tim

-- 
Tim Müller, Centricular Ltd - http://www.centricular.com

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