Dear All:
I would like to stream some MP4 files with QuickTime Player6.0.
I prepared some mp4 files from internet and hint them by mp4creator.
I use a file as the sample. Before I hinted it, the information is bellow:
==========================================================================
$ ./mp4info.exe MPEGSolution_jurassic.mp4
d:\MultimediaD\streamingServer\mp4\mp4info.exe version 0.9.6
MPEGSolution_jurassic.mp4:
Track Type Info
2 video MPEG-4 Simple @ L3, 69.934 secs, 512 kbps, 0x0 @ 30.00 fps
1 audio MPEG-4 Main @ L2, 70.101 secs, 96 kbps, 1000 Hz
5 scene BIFS
4 od Object Descriptors
After I hinted the file,
$ mp4creator60.exe -hint=1 MPEGSolution_jurassic.mp4
$ mp4creator60.exe -hint=2 MPEGSolution_jurassic.mp4
The information of the file is bellow:
==========================================================================
$ ./mp4info.exe MPEGSolution_jurassic.mp4
d:\MultimediaD\streamingServer\mp4-2\mp4info.exe version 0.9.6
MPEGSolution_jurassic.mp4:
Track Type Info
2 video MPEG-4 Simple @ L3, 69.934 secs, 1099 kbps, 0x0 @ 30.00 fps
1 audio MPEG-4 Main @ L2, 70.101 secs, 92 kbps, 1000 Hz
5 scene BIFS
4 od Object Descriptors
6 hint Payload mpeg4-generic for track 1
7 hint Payload MP4V-ES for track 2
After I hinted the file, put into the movie directory and opened the QT
player.
QT player played something and the "thumb" moved forward.
However it displayed a white blank window with some irregular noise.
But it's OK when I use wmp4player(mpeg4ip) and mpegable as the client side
player
I found some topics in the archieves discussing about this, but found no
solutions.
Someone suggested that:
> Try changing the max_send_ahead_time value in the streamingserver.xml
> file from >25< to >0< (seconds) and restart your server.
> <PREF NAME="max_send_ahead_time" TYPE="UInt32" >25</PREF>
But it didn't work.
One said that:
>I've tried to get an .mp4 from Envivio's web site
>(http://www.envivio.tv/downloads/content/quality/v10_Startup_100k_24k.mp4),
>.to hint it (the audio and video tracks) with MP4Creator and to stream it
>with DSS using Envivio's plug-in for QT as a client but it failed.
>This comes from the fact that the BIFS and OD cannot be hinted in the
>current release.
And anthoer said in the FAQ :
>It appears that mpeg audio created and hinted with our mp4creator do not
>work correctly with Quicktime when streaming. This is most likely because
>we use a dynamic RTP payload number and a RTP TS frequency that matches
>the sampling frequency. QT seems to only like an RTP payload of 14 and
>a RTP TS frequency of 90000. (This is with QT 6.0).
But the video can't be displayed either.
Do I need another hinter or is there something need to be set in the streaming
server.
Or even there is no solution about this problem now.
I would be very appreciated if anybody could tell me in detail how to do
this.
Best Regards,
===============================================================
A.E. Chen
Chunghwa Telecommunication Laboratories
mailto:email@hiddenTEL:+886 3 4245938, FAX:+886 3 4244147
http://www.cht.com.tw, http://www.chttl.com.tw, http://www.hinet.net
===============================================================
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