[Phash-support] pHash-support Digest, Vol 3, Issue 2

Quilby quilby at gmail.com
Fri Sep 25 20:54:12 PDT 2009

Here are the last two messages. I will forward the rest to your email if I
find more.


i'm trying to compile phash on mac osx, however: without success. i've
build ffmpeg from the available svn snapshot, i've doublechecked, that
ffmpeg compiles libswscale, however phash's ./configure keeps telling

*** Configuring video Hash ***

checking whether FFmpeg is present... checking for avcodec_alloc_frame
in -lavcodec... yes
checking for av_read_frame in -lavformat... yes
checking for sws_getContext in -lswscale... no
configure: error:

*** libswscale not found.

however there is a libswscale.a available in /usr/local/lib/ ...

any help would be very appreciated!




I'm trying to compile pHash on Debian (lenny).

I've installed the following dev packages:

apt-get install libavcodec-dev
apt-get install libavformat-dev
apt-get install libswscale-dev
apt-get install fftw-dev
apt-get install fftw3-dev
apt-get install libjpeg-dev
apt-get install libx11-dev
apt-get install cimg-dev

I had to change cimgffmpeg.h to point to ffmpeg for the includes
       #include "ffmpeg/avformat.h"
       #include "ffmpeg/avcodec.h"
       #include "ffmpeg/swscale.h"

But I still get problems when compiling, the problems seem to be with cimg.
I note when I run ./configure that a number of tests for cimg seem to fail.
What version (if there is more than one) of cimg should pHash be compiled

I also tried the latest deb package that exists on the cimg website with
worse results.



On Fri, Sep 25, 2009 at 11:36 PM, <phash-support-request at lists.phash.org>wrote:

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> ----------------------------------------------------------------------
> Message: 1
> Date: Fri, 25 Sep 2009 09:25:02 -0700
> From: dstarkweather at phash.org
> To: phash-support at lists.phash.org
> Subject: [Phash-support] pHash support list
> Message-ID:
>        <1a223db396504d9f793c63b55ae9126e.squirrel at webmail.phash.org>
> Content-Type: text/plain;charset=iso-8859-1
> All:
> Apologies for the lack of response to your questions so far,  but it turns
> out that the support list was not configured properly, so neither Evan nor
> I have received any of those emails.  You are welcome to resubmit any
> unresolved issues you may have.  We will be happy to address them.
> There was a significant bug introduced into the 0.5 release, that may have
> affected the dct image hash.  I urge you to get the new download.  It
> should be cleared up.
> thanks,
> dgs.
> ------------------------------
> _______________________________________________
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> End of pHash-support Digest, Vol 3, Issue 2
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