[ExtractStream] Ok, got started last night.

Steven Webb steve at b...
Fri, 6 Jul 2001 11:45:46 -0600 (MDT)


Weird, is my video stream broken?

Attached is the output of the new mplex conversion attempt on the full
data stream.

- Steve

(161) steve@c... Fri 11:37am [/d2/tivo] % ./mplex -o letterman.mpg program1.m2a program1.m2v
INFO: mplex version 1.4.1 (7.12.2000)
INFO: File program1.m2a is a 11172-3 Audio stream.
INFO: File program1.m2v is a MPEG-1/2 Video stream.
INFO: Scanning Video stream for access units information.
INFO: VIDEO STREAM:
INFO: nStream length : 1710054889
INFO: Sequence start : 7692
INFO: Sequence end : 0
INFO: No. Pictures : 117119
INFO: No. Groups : 7692
INFO: No. I Frames : 7692 avg. size 53024 bytes
INFO: No. P Frames : 31558 avg. size 22935 bytes
INFO: No. B Frames : 77869 avg. size 7427 bytes
INFO: No. D Frames : 0 avg. size 0 bytes
INFO: Horizontal size: 480
INFO: Vertical size : 480
INFO: Aspect ratio : 0.6735
INFO: Picture rate : 29.970 frames/sec
INFO: Bit rate : 3500000 bits/sec
INFO: Computed rate : 3500800 bits/sec
INFO: Peak rate : 7284800 bits/sec
INFO: Vbv buffer size: 229376 bytes
INFO: CSPF : 0
INFO: Scanning Audio stream for access units information.
INFO: Done, stream bit offset 750352896.
INFO: AUDIO STREAM:
INFO: Audio version : 1.0
INFO: Stream length : 93794112
INFO: Syncwords : 108558
INFO: Frames : 108558 size 864 bytes
INFO: Frames : 0 size 865 bytes
INFO: Layer : 2
INFO: CRC checksums : no
INFO: Bit rate : 24576 bytes/sec (192 kbit/sec)
INFO: Frequency : 32000 Hz
INFO: Mode : 0 stereo
INFO: Mode extension : 0
INFO: Copyright bit : 0 no copyright
INFO: Original/Copy : 0 copy
INFO: Emphasis : 0 none
INFO: Selecting generic MPEG1 output profile
INFO: SYSTEMS/PROGRAM stream:
INFO: best-guess multiplexed stream data rate : 3757200
INFO: Setting best-guess data rate.
INFO: New sequence commences...
INFO: sectors muxed: audio=0000000 video=00000000 padding=0000000
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
**ERROR: Likely buffer under-run at video sector 16
(162) steve@c... Fri 11:41am [/d2/tivo] % 



On Fri, 6 Jul 2001 sharkey@a... wrote:

> Date: Fri, 06 Jul 2001 10:29:07 -0400
> From: sharkey@a...
> Reply-To: ExtractStream@yahoogroups.com
> To: ExtractStream@yahoogroups.com
> Subject: Re: [ExtractStream] Ok, got started last night. 
> 
> > Well, I waited until my girlfriend went to sleep
> 
> Did you remember to laugh maniacally when she did so?
> 
> > When I run mplex to multiplex the two files together, I get about 3
> > megs of data and then mplex dies.
> 
> I've had this problem, too, but I haven't figured it out yet.
> 
> > Anyone know what the deal is? I'm
> > running mplex on my debian linux machine (potato). I have read about
> > other versions of mplex, but I don't know where to find it.
> 
> Pick one:
> 
> http://prdownloads.sourceforge.net/mjpeg/mjpegtools_1.4.1-2i686_i386.deb
> http://prdownloads.sourceforge.net/mjpeg/mjpegtools_1.4.1-2_i386.deb
> 
> Eric
> 
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> 
> 

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