Remove unused and largely untested encoding filters.

1 files changed, 34 insertions, 1 deletions

diff --git a/fitz/filt_dctd.c b/fitz/filt_dctd.c
index 39e97a0d..4f7778e8 100644
--- a/fitz/filt_dctd.c
+++ b/fitz/filt_dctd.c
@@ -1,10 +1,43 @@
 #include "fitz_base.h"
 #include "fitz_stream.h"
 
-#include "filt_dctc.h"
+#include <jpeglib.h>
+
+#include <setjmp.h>
 
 typedef struct fz_dctd_s fz_dctd;
 
+struct myerrmgr
+{
+	struct jpeg_error_mgr super;
+	jmp_buf jb;
+	char msg[JMSG_LENGTH_MAX];
+};
+
+static void myerrexit(j_common_ptr cinfo)
+{
+	struct myerrmgr *err = (struct myerrmgr *)cinfo->err;
+	char msgbuf[JMSG_LENGTH_MAX];
+	err->super.format_message(cinfo, msgbuf);
+	strlcpy(err->msg, msgbuf, sizeof err->msg);
+	longjmp(err->jb, 1);
+}
+
+static void myoutmess(j_common_ptr cinfo)
+{
+	struct myerrmgr *err = (struct myerrmgr *)cinfo->err;
+	char msgbuf[JMSG_LENGTH_MAX];
+	err->super.format_message(cinfo, msgbuf);
+	fz_warn("jpeg error: %s", msgbuf);
+}
+
+static void myiniterr(struct myerrmgr *err)
+{
+	jpeg_std_error(&err->super);
+	err->super.error_exit = myerrexit;
+	err->super.output_message = myoutmess;
+}
+
 struct mysrcmgr
 {
 	struct jpeg_source_mgr super;