From 1d01ec45990179d51fb61a19497bb62948fafd21 Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Sat, 31 Jan 2004 10:47:36 +0000
Subject: [PATCH] Do not automatically discard big VobSub packets anymore.

---
 ChangeLog              | 3 +++
 src/common/common.cpp  | 1 +
 src/hacks.h            | 1 +
 src/input/r_vobsub.cpp | 3 ++-
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 7d875c8a2..81b7a9c4b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2004-01-31  Moritz Bunkus  <moritz@bunkus.org>
 
+	* mkvmerge: The VobSub reader will not discard packets that exceed
+	a certain size (64KB) anymore.
+
 	* mkvmerge: Improved some internal memory freeing decisions. This
 	should help with files/sections in which are only few keyframes.
 
diff --git a/src/common/common.cpp b/src/common/common.cpp
index 67e9fce24..4abd77d69 100644
--- a/src/common/common.cpp
+++ b/src/common/common.cpp
@@ -1291,6 +1291,7 @@ static const char *mosu_hacks[] = {
   ENGAGE_NO_VARIABLE_DATA,
   ENGAGE_NO_DEFAULT_HEADER_VALUES,
   ENGAGE_FORCE_PASSTHROUGH_PACKETIZER,
+  ENGAGE_SKIP_BIG_VOBSUBS,
   NULL
 };
 static vector<const char *> engaged_hacks;
diff --git a/src/hacks.h b/src/hacks.h
index 0544e10ec..f9f28490d 100644
--- a/src/hacks.h
+++ b/src/hacks.h
@@ -32,6 +32,7 @@
 #define ENGAGE_NO_VARIABLE_DATA "no_variable_data"
 #define ENGAGE_NO_DEFAULT_HEADER_VALUES "no_default_header_values"
 #define ENGAGE_FORCE_PASSTHROUGH_PACKETIZER "force_passthrough_packetizer"
+#define ENGAGE_SKIP_BIG_VOBSUBS "skip_big_vobsubs"
 
 bool hack_engaged(const char *hack);
 
diff --git a/src/input/r_vobsub.cpp b/src/input/r_vobsub.cpp
index 86227cdb7..e33ed7c0d 100644
--- a/src/input/r_vobsub.cpp
+++ b/src/input/r_vobsub.cpp
@@ -25,6 +25,7 @@
 #include <errno.h>
 
 #include "common.h"
+#include "hacks.h"
 #include "iso639.h"
 #include "mkvmerge.h"
 #include "mm_io.h"
@@ -325,7 +326,7 @@ vobsub_reader_c::read(generic_packetizer_c *ptzr) {
 
   id = i;
   i = track->idx;
-  if (track->sizes[i] > 64 * 1024) {
+  if ((track->sizes[i] > 64 * 1024) && hack_engaged(ENGAGE_SKIP_BIG_VOBSUBS)) {
     mxwarn(PFX "Skipping entry at timecode %llds of track ID %u in '%s' "
            "because it is too big (%lld bytes). This is usually the case for "
            "the very last index lines for each track in the .idx file because "