Re: [Mjpeg-users] Colorspace transform question

2003-03-28 Thread scholnik
Out of curiosity how much is the data "damaged" by a conversion from 4:1:1 to RGB and from there to 4:2:0? Or really how much more damage than is already done going from 4:1:1 to 4:2:0, which really results in the (quality) equivalent of 4:1:0 (if such a beast ex

[Mjpeg-users] (no subject)

2003-03-28 Thread Edgar Zanella Alvarenga
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Re: [Mjpeg-users] Colorspace transform question

2003-03-28 Thread Steven M. Schultz
Hi Dan - > From: [EMAIL PROTECTED] > Or really how much more damage than is already done going from 4:1:1 > to 4:2:0, which really results in the (quality) equivalent of 4:1:0 Very true. One of my brothers works at a TV station and mentioned they use 10 bit 4:2:2 everywhere up t

Re: [Mjpeg-users] Colorspace transform question

2003-03-28 Thread Ronald Bultje
Hey Steven, On Fri, 2003-03-28 at 18:19, Steven M. Schultz wrote: > Very true. One of my brothers works at a TV station and mentioned > they use 10 bit 4:2:2 everywhere up till the final stage - some > really good looking pictures when he showed me around ;) 4:2:2 10-bit? Wher

Re: [Mjpeg-users] Colorspace transform question

2003-03-28 Thread Steven M. Schultz
Hi - > From: Ronald Bultje <[EMAIL PROTECTED]> > > 4:2:2 10-bit? Where did he get that?!? Isn't that 16-bit? Intead of 8 bits per sample (which is what we use - 8 bits for Y' 8 bits for Cr and 8 for Cb) the professional folks use 10 bits for each of Y' Cr and Cb. > >

[Mjpeg-users] Problems compiling

2003-03-28 Thread Da Maestro
Whenever I ty to compile mjpegtools i get theis message: /usr/include/jpeglib.h:1096:65: jpegint.h: No such file or directory make[2]: *** [mjpeg.o] Error 1 make[2]: Leaving directory `/usr/src/mjpegtools-1.4.1/mjpeg' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/usr/src/mjpegt

Re: [Mjpeg-users] Problems compiling

2003-03-28 Thread Bernhard Praschinger
Hallo > Whenever I ty to compile mjpegtools i get theis message: > > /usr/include/jpeglib.h:1096:65: jpegint.h: No such file or directory > make[2]: *** [mjpeg.o] Error 1 > make[2]: Leaving directory `/usr/src/mjpegtools-1.4.1/mjpeg' > make[1]: *** [all-recursive] Error 1 > make[1]: Leaving direc

[Mjpeg-users] mjpegtools 1.6.1, error in quantize_x86.c

2003-03-28 Thread danalien
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, I try to compile mjpegtools 1.6.1, and I get this error: quantize_x86.c: In function `quant_non_intra_3dnow': quantize_x86.c:137: warning: implicit declaration of function `pi2fd_r2r' quantize_x86.c:137: `mm2' undeclared (first use in this functi