mp4 file playback in VLC and in QT

[Sriharsha B]

Hi all..

I m using mp4creator  (mpeg4ip ) for generation of mp4 file. it is
playing fine. i wrote plugin for mp4creator. so for that i changed
mp4creator library for pushing data instead of writing to a file. the
size updation of all atoms i have done.  when i m creating mp4 file with
my plugin then it is  playing in vlc and quicktime player but no video
is coming . i m using this pipeline (only for video )...

gst-launch filesrc
location=/home/Gurpreet/inputfilesmp4/Akiyo_100_176_144_I_0_0_AllIDR.264
! h264parse output-format=0 ! video/x-h264,width=176, height=144,
framerate=25/1 ! mp4mux ! filesink
location=/home/Gurpreet/outputfilesmp4/temp-1.mp4

can anybody tell me what can be the problem...??

Thanks
Gurpreet



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[Overkill]

Hello Sriharsha,

I've some similar issue, but my files plays on VLC and not in QT.
I've solved by pushing out on caps
the codec_data.

I think you may use

gst-launch -v v4lsrc ! yourcodec264 ! fakesink

read the "codec_data" on the caps
out of yourcodec264 and copy the string
forcing thah caps.

gst-launch filesrc
location=/home/Gurpreet/inputfilesmp4/Akiyo_100_176_144_I_0_0_AllIDR.264
! h264parse output-format=0 ! video/x-h264,width=176, height=144,
framerate=25/1 stream-format=avc  codec_data="READ THIS" !  mp4mux ! filesink
location=/home/Gurpreet/outputfilesmp4/temp-1.mp4

I've not really well understand why it works, so I'll be glad
if someone can better explain :)

Also try with ffmux_mp4 and mov instead of mp4 (qtmux or ffmux_mov).

***** By The Overkill !!! *****

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