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avidemux3.changes Changed

avidemux3.spec Changed

avidemux2-2.8.2.git20260826.tar.xz/avidemux_plugins/ADM_demuxers/Matroska/ADM_ebml.h -> avidemux2-2.8.2.git20260901.tar.xz/avidemux_plugins/ADM_demuxers/Matroska/ADM_ebml.h Changed

@@ -23,7 +23,7 @@
         int64_t     readSignedInt(uint32_t nb);
         uint64_t    readUnsignedInt(uint32_t nb);
         float       readFloat(uint32_t n);
-        uint8_t     readString(char *string, uint32_t maxLen);
+        uint32_t    readString(char *string, uint32_t maxLen);
         uint8_t     readUTF8(char *string, uint32_t maxLen);
         uint8_t     readElemId(uint64_t *code,uint64_t *len);
         uint64_t    readEBMCode(void);
@@ -40,7 +40,7 @@
              int32_t  reads32(void);
         /***********************************/
         virtual     bool     readBin(uint8_t *whereto,uint32_t len)=0;
-        virtual     bool     skip(uint32_t nbBytes)=0;
+        virtual     bool     skip(uint64_t nbBytes)=0;
         virtual     uint64_t tell(void)=0;
 };
 /**
@@ -59,7 +59,7 @@
                     bool      open(const char *fn);
        
         virtual     bool      readBin(uint8_t *whereto,uint32_t len);
-        virtual     bool      skip(uint32_t nbBytes);
+        virtual     bool      skip(uint64_t nbBytes);
                     uint64_t  tell(void);
                     bool      seek(uint64_t pos);
                     bool      finished(void);

avidemux2-2.8.2.git20260826.tar.xz/avidemux_plugins/ADM_demuxers/Matroska/ADM_mkvEntries.cpp -> avidemux2-2.8.2.git20260901.tar.xz/avidemux_plugins/ADM_demuxers/Matroska/ADM_mkvEntries.cpp Changed

@@ -97,7 +97,8 @@
  */
 static bool hasNeedle(const char *haystack, const char *needle)
 {
-    if(NULL!=strstr( (char *)(haystack+12),needle)) return true;
+    if (strstr((char *)haystack, needle))
+        return true;
     return false;
 }
 /**
@@ -713,10 +714,16 @@
                 {
                  if(ietfLanguageTagFound) break;
 #define LANG_DESC_BUF_LEN 100
-                 char sLANG_DESC_BUF_LEN;
-                 sLANG_DESC_BUF_LEN - 1 = 0;
-                 uint64_t sublen = (len < LANG_DESC_BUF_LEN) ? len : LANG_DESC_BUF_LEN - 1;
-                 father.readString(s, sublen);
+                 char sLANG_DESC_BUF_LEN = {0};
+                 uint32_t sublen = (len < LANG_DESC_BUF_LEN - 1) ? len : LANG_DESC_BUF_LEN - 1;
+                 sublen = father.readString(s, sublen);
+                 if (len >= LANG_DESC_BUF_LEN)
+                     ADM_warning("Language descriptor too long: %" PRIu64", damaged file?\n", len);
+                 if (len > sublen)
+                 {
+                     father.skip(len - sublen); // consume
+                     ADM_info("Skipping %" PRIu64" bytes after language descriptor.\n", len - sublen);
+                 }
                  if(!strlen(s))
                      strcpy(s,"eng"); // english is default
                  if(!strcmp(s,"unknown")) // we were using "unknown", which is not a valid ISO 639 code
@@ -748,16 +755,21 @@
             break;
         case MKV_CODEC_ID:
             {
-            uint8_t *codec=new uint8_tlen+1;
-                  father.readBin(codec,len);
-                  codeclen=0;
-                  entry->codecId = (char *)codec;
-                  entry->fcc=ADM_mkvCodecToFourcc((char *)codec);
-                  
-                  delete  codec;
-
+#define CODEC_ID_BUF_LEN 1024
+                char codecCODEC_ID_BUF_LEN = {0};
+                uint32_t sublen = (len < CODEC_ID_BUF_LEN - 1) ? len : CODEC_ID_BUF_LEN - 1;
+                sublen = father.readString(codec, sublen);
+                if (len >= CODEC_ID_BUF_LEN)
+                    ADM_warning("Codec ID too long: %" PRIu64" bytes, damaged file?\n", len);
+                if (len > sublen)
+                {
+                    father.skip(len - sublen); // consume
+                    ADM_warning("Skipped %" PRIu64" bytes after codec ID.\n", len - sublen);
+                }
+                entry->codecId = codec;
+                entry->fcc = ADM_mkvCodecToFourcc(codec);
             }
-                  break;
+            break;
         default: printf("MKVnot handled %s\n",ss);
                   father.skip(len);
         }

avidemux2-2.8.2.git20260826.tar.xz/avidemux_plugins/ADM_demuxers/Matroska/ebml.cpp -> avidemux2-2.8.2.git20260901.tar.xz/avidemux_plugins/ADM_demuxers/Matroska/ebml.cpp Changed

@@ -177,16 +177,23 @@
   return val;
 
 }
-uint8_t     ADM_ebml::readString(char *string, uint32_t maxLen)
+/**
+    \fn readString
+    \brief Read no more than maxLen bytes from the file and write
+           at most maxLen+1 bytes into buffer pointed to by string.
+*/
+uint32_t ADM_ebml::readString(char *string, uint32_t maxLen)
 {
   uint8_t v;
+  uint32_t bytes = 0;
   while(maxLen--)
   {
     v=*string++=readu8();
-    if(!v) return 1;
+    bytes++;
+    if(!v) return bytes;
   }
   *string=0;
-  return 1;
+  return bytes;
 }
 /******************
   Low level read
@@ -306,6 +313,8 @@
   _begin=0;
   _fileSize=_size=ftello(fp);
   fseeko(fp,0,SEEK_SET);
+  // Safeguard against wraparound in finished()
+  if(_fileSize < 2) return 0;
   return 1;
 }
 /**
@@ -325,14 +334,17 @@
  * @param vv
  * @return 
  */
-bool ADM_ebml_file::skip(uint32_t vv)
+bool ADM_ebml_file::skip(uint64_t vv)
 {
+  ADM_assert(vv <= INT64_MAX);
   fseeko(fp,vv,SEEK_CUR);
   return 1;
 }
 uint64_t ADM_ebml_file::tell(void)
 {
-  return ftello(fp);
+  int64_t off = ftello(fp);
+  ADM_assert(off >= 0);
+  return off;
 }
 /**
  * 
@@ -341,6 +353,7 @@
  */
 bool ADM_ebml_file::seek(uint64_t pos)
 {
+  ADM_assert(pos <= INT64_MAX);
   fseeko(fp,pos,SEEK_SET);
   return 1;
 }

avidemux2-2.8.2.git20260826.tar.xz/avidemux_plugins/ADM_demuxers/MpegTS/ADM_tsBruteForce.cpp -> avidemux2-2.8.2.git20260901.tar.xz/avidemux_plugins/ADM_demuxers/MpegTS/ADM_tsBruteForce.cpp Changed

Changes of Revision 33