require 'formula' class Jasper < Formula url 'http://slackware.sukkology.net/packages/jasper/jasper-1.900.1.zip' homepage 'http://slackware.sukkology.net/packages/jasper/' md5 'a342b2b4495b3e1394e161eb5d85d754' depends_on 'jpeg' def options [["--universal", "Build a universal binary."]] end def patches DATA end fails_with_llvm "Undefined symbols when linking", :build => "2326" def install ENV.universal_binary if ARGV.build_universal? system "./configure", "--disable-debug", "--disable-dependency-tracking", "--enable-shared", "--prefix=#{prefix}", "--mandir=#{man}" system "make install" end end # The following patch fixes a bug (still in upstream as of jasper 1.900.1) where an assertion fails # when Jasper is fed certain JPEG-2000 files with an alpha channel. # see http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=469786 __END__ diff --git a/src/libjasper/jpc/jpc_dec.c b/src/libjasper/jpc/jpc_dec.c index fa72a0e..1f4845f 100644 --- a/src/libjasper/jpc/jpc_dec.c +++ b/src/libjasper/jpc/jpc_dec.c @@ -1069,12 +1069,18 @@ static int jpc_dec_tiledecode(jpc_dec_t *dec, jpc_dec_tile_t *tile) /* Apply an inverse intercomponent transform if necessary. */ switch (tile->cp->mctid) { case JPC_MCT_RCT: - assert(dec->numcomps == 3); + if (dec->numcomps != 3 && dec->numcomps != 4) { + jas_eprintf("bad number of components (%d)\n", dec->numcomps); + return -1; + } jpc_irct(tile->tcomps[0].data, tile->tcomps[1].data, tile->tcomps[2].data); break; case JPC_MCT_ICT: - assert(dec->numcomps == 3); + if (dec->numcomps != 3 && dec->numcomps != 4) { + jas_eprintf("bad number of components (%d)\n", dec->numcomps); + return -1; + } jpc_iict(tile->tcomps[0].data, tile->tcomps[1].data, tile->tcomps[2].data); break;