multifilesink not producing viewable files. Help!?

[Piper984]

Hi:

I have a C application that receives an h264 stream and saves it to the HD. 
Currently, this uses the filesink element, and it works fine. I can view the
raw h264 data with VLC, and I can use MP4Box to convert the H264 stream into
an MP4 file with the correct fps being set.  However, these incoming clips
are very long and so I need my application to split the file into multiple
segements, calling an event once each segments has been written to the HD so
I can announce each segment to the database that manages all the incoming
video segments.

>From the docs, the multifilesink element seems to be what I need.  To test,
I changed my app, replacing:

... filesink location=\"%s\"" ...

to:

... multifilesink post-messages=1 next-file=4 max-file-size=5000000
location=\"f-%%05d-%s\"" ...

This does create new files ~ every 5 megs named correctly, but I can't view
the files with VLC like I can when I just used the filesink elemenet.  I
also tried to convert the h264 to mp4 container via MP4Box, but MP4Box
doesn't see the segmented .h264 files as valid.

I also tried adding the aggregate-gops property like this:

... multifilesink post-messages=1 aggregate-gops=1 next-file=4
max-file-size=5000000 location=\"f-%%05d-%s\"" ...

but no change in behavior.

Right now I am using GStreamer 1.4.3, so not able to use splitmuxsink. 
Also, I don't think splitmuxsink has the ability to raise an event when each
segments lands?  I am able to upgrade the GStreamer library for my app as
needed, but I think I'm still mostly interested in multifilesink due to the
post-messages feature. FYI: I have not tried hooking up the callback
function yet.

Could someone with background with the multifilesink element provide some
guidance as to what I may be doing wrong?

Thanks!




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