[MPlayer-users] Bug Report: jpeg to avi is broken NOVIRUS

Sun Jul 24 23:52:46 CEST 2005

Reimar, that's an excellent call on the progressive JPG.

I've converted my JPGS to PNGs and tried to mencode them, but mencoder 
complains about not recognizing their format.  So, I try to recompile with 
--enable-jpg, but the compile craps out with the following error:

...
vd_mpng.c:80: error: `png_colorp' undeclared (first use in this function)
vd_mpng.c:80: error: syntax error before "pal"
vd_mpng.c:85: error: `png' undeclared (first use in this function)
vd_mpng.c:85: warning: implicit declaration of function 
`png_create_read_struct'
vd_mpng.c:85: error: `PNG_LIBPNG_VER_STRING' undeclared (first use in this 
function)
vd_mpng.c:86: warning: implicit declaration of function 
`png_create_info_struct'
vd_mpng.c:86: error: incompatible types in assignment
vd_mpng.c:87: error: `endinfo' undeclared (first use in this function)
vd_mpng.c:91: warning: implicit declaration of function `png_set_read_fn'
vd_mpng.c:92: warning: implicit declaration of function `png_set_sig_bytes'
vd_mpng.c:93: warning: implicit declaration of function `png_read_info'
vd_mpng.c:94: warning: implicit declaration of function `png_get_IHDR'
vd_mpng.c:94: error: `png_width' undeclared (first use in this function)
vd_mpng.c:94: error: `png_height' undeclared (first use in this function)
vd_mpng.c:95: warning: implicit declaration of function `png_set_bgr'
vd_mpng.c:97: error: invalid type argument of `->'
vd_mpng.c:98: error: `PNG_COLOR_TYPE_GRAY_ALPHA' undeclared (first use in 
this function)
vd_mpng.c:101: error: `PNG_COLOR_TYPE_GRAY' undeclared (first use in this 
function)
vd_mpng.c:104: error: `PNG_COLOR_TYPE_PALETTE' undeclared (first use in this 
function)
vd_mpng.c:107: error: `PNG_COLOR_TYPE_RGB_ALPHA' undeclared (first use in 
this function)
vd_mpng.c:110: error: `PNG_COLOR_TYPE_RGB' undeclared (first use in this 
function)
vd_mpng.c:114: error: invalid type argument of `->'
vd_mpng.c:140: error: syntax error before ')' token
vd_mpng.c:142: error: `i' undeclared (first use in this function)
vd_mpng.c:143: warning: implicit declaration of function `png_read_image'
vd_mpng.c:147: warning: implicit declaration of function `png_get_PLTE'
vd_mpng.c:147: error: `pal' undeclared (first use in this function)
vd_mpng.c:158: warning: implicit declaration of function `png_read_end'
vd_mpng.c:159: warning: implicit declaration of function 
`png_destroy_read_struct'
make[1]: *** [vd_mpng.o] Error 1
make[1]: Leaving directory `/var/tmp/cvs/main/libmpcodecs'
make: *** [libmpcodecs/libmpcodecs.a] Error 2
memeticcandiru:/var/tmp/cvs/main#

Any thoughts?  I am using Debian Sarge, and have libpng installed.

>From: Reimar Döffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de>
>Reply-To: "MPlayer usage questions, feature requests,  bug reports" 
><mplayer-users at mplayerhq.hu>
>To: "MPlayer usage questions, feature requests,  bug reports" 
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>Subject: Re: [MPlayer-users] Bug Report: jpeg to avi is broken NOVIRUS
>Date: Sun, 24 Jul 2005 22:00:06 +0200
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>
>Hi,
>On Sun, Jul 24, 2005 at 01:48:16PM -0600, Daniel Swan wrote:
> > I've downloaded the latest CVS, and was able to compile it successfully,
> > but I am still unable to convert my jpgs to avi.    Please advise.
>
>That is because you have a different problem. MPlayer supports only
>baseline (c0) and lossless huffman (c3) encoding for jpg files, whereas
>yours use progressive huffman (c2). I doubt this will be supported in
>the near future (if at all).
>You can still convert them to a supported format first.
>
>Greetings,
>Reimar Döffinger
>
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