On 15 Nov 2003, Florin Andrei wrote:
> On Thu, 2003-11-06 at 16:46, Steven M. Schultz wrote:
> > To get 'I' frame only encoding I thought the method was to
> > specify the min and max GOP size to be 1.
>
> An MPEG2 stream with I-frames only... wouldn't that be something
> slightly similar to MJPEG?
Similar is concept yes. Both are lossy compression methods.
The I frame only encoding is functional now (in the cvs version
of mpeg2enc). I was experimenting last night on the file I use
for testing purposes
The original file is 1555440000 bytes and the I frame only
.m2v file (mpeg2enc -f 8 -E -10 -g 1 -G 1 -2 1 -q 6 -K kvcd)
came out to be 392705279 bytes (average bitrate 7263Kb/s with
an average I frame size of 30296 bytes).
Nice thing about a GOP size of 1 is that editing is trivial :)
Cheers,
Steven Schultz
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