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avidemux3.changes Changed

avidemux3.spec Changed

avidemux2-2.8.2.git20261026.tar.xz/avidemux_plugins/ADM_demuxers/Mp4/ADM_mp4.cpp -> avidemux2-2.8.2.git20261029.tar.xz/avidemux_plugins/ADM_demuxers/Mp4/ADM_mp4.cpp Changed

@@ -244,8 +244,8 @@
 
     } else if(sz > ADM_COMPRESSED_MAX_DATA_LENGTH)
     {
-        ADM_warning("Frame %u size %llu exceeds max %u, truncating.\n",framenum,sz,ADM_COMPRESSED_MAX_DATA_LENGTH);
-        sz = ADM_COMPRESSED_MAX_DATA_LENGTH;
+        ADM_error("Frame %u size %llu exceeds maximum supported size of %u bytes!\n", framenum, sz, ADM_COMPRESSED_MAX_DATA_LENGTH);
+        return 0;
     }
 
     uint64_t offset=idx->offset; //+_mdatOffset;
@@ -523,7 +523,7 @@
         { // Same story for H263 : Analyze 1st frame to get the real width/height
             uint32_t w,h,sz;
             uint8_t *bfer=NULL;
-            sz=VDEO.index0.size;
+            sz = (VDEO.index0.size > ADM_COMPRESSED_MAX_DATA_LENGTH)? 0 : VDEO.index0.size;
             if(sz)
             {
                 bfer=new uint8_tsz;
@@ -564,8 +564,9 @@
                     uint32_t nalSize = ADM_getNalSizeH264(VDEO.extraData,VDEO.extraDataSize);
                     uint32_t prevSpsLen=0;
                     uint8_t *prevSps=NULL, *curSps=NULL;
-#define MAX_FRAME_LENGTH (1920*1080*3) // ~7 MiB, should be enough even for 4K
-                    uint8_t *bfer=new uint8_tMAX_FRAME_LENGTH;
+#define INITIAL_BUFFER_SIZE 0x400000 // 4 MiB
+                    uint32_t curBferSize = INITIAL_BUFFER_SIZE;
+                    uint8_t *bfer = new uint8_tcurBferSize;
                     ADMCompressedImage img;
                     img.data=bfer;
                     uint32_t i,fields=0,nb=VDEO.nbIndex;
@@ -580,11 +581,24 @@
                             cancelled = true;
                             break; // cancelling frame type decoding is non-fatal
                         }
-                        if(VDEO.indexi.size > MAX_FRAME_LENGTH)
+                        if(VDEO.indexi.size > ADM_COMPRESSED_MAX_DATA_LENGTH)
                         {
                             ADM_warning("Frame %u too large (%" PRIu64" bytes) while decoding H.264 frame type, skipping.\n",i,VDEO.indexi.size);
                             continue;
                         }
+                        if(VDEO.indexi.size > curBferSize)
+                        {
+                            ADM_warning("H.264 probe buffer size %u insufficient for frame %u, reallocating.\n", curBferSize, i);
+                            delete  bfer;
+                            uint64_t larger = VDEO.indexi.size;
+                            larger = ((larger / INITIAL_BUFFER_SIZE) + 1) * INITIAL_BUFFER_SIZE;
+                            if (larger > ADM_COMPRESSED_MAX_DATA_LENGTH)
+                               larger = ADM_COMPRESSED_MAX_DATA_LENGTH;
+                            curBferSize = larger;
+                            bfer = new uint8_tcurBferSize;
+                            img.data = bfer;
+                            ADM_info("H.264 probe buffer reallocated, new size: %u bytes.\n", curBferSize);
+                        }
                         if(!getFrame(i,&img))
                         {
                             ADM_warning("Could not get frame %u while decoding H.264 frame type.\n",i);
@@ -712,7 +726,8 @@
                 if (!indexLoadedFromDisk)
                 {
                     uint32_t nalSize = ADM_getNalSizeH265(VDEO.extraData,VDEO.extraDataSize);
-                    uint8_t *bfer = new uint8_tMAX_FRAME_LENGTH;
+                    uint32_t curBferSize = INITIAL_BUFFER_SIZE;
+                    uint8_t *bfer = new uint8_tcurBferSize;
                     ADMCompressedImage img;
                     img.data = bfer;
                     int poc = INT_MIN;
@@ -727,11 +742,24 @@
                             cancelled = true;
                             break; // cancelling frame type decoding is non-fatal
                         }
-                        if(VDEO.indexi.size > MAX_FRAME_LENGTH)
+                        if(VDEO.indexi.size > ADM_COMPRESSED_MAX_DATA_LENGTH)
                         {
                             ADM_warning("Frame %u too large (%" PRIu64" bytes) while decoding HEVC frame type, skipping.\n",i,VDEO.indexi.size);
                             continue;
                         }
+                        if(VDEO.indexi.size > curBferSize)
+                        {
+                            ADM_warning("HEVC probe buffer size %u insufficient for frame %u, reallocating.\n", curBferSize, i);
+                            delete  bfer;
+                            uint64_t larger = VDEO.indexi.size;
+                            larger = ((larger / INITIAL_BUFFER_SIZE) + 1) * INITIAL_BUFFER_SIZE;
+                            if (larger > ADM_COMPRESSED_MAX_DATA_LENGTH)
+                               larger = ADM_COMPRESSED_MAX_DATA_LENGTH;
+                            curBferSize = larger;
+                            bfer = new uint8_tcurBferSize;
+                            img.data = bfer;
+                            ADM_info("HEVC probe buffer reallocated, new size: %u bytes.\n", curBferSize);
+                        }
                         if(!getFrame(i,&img))
                         {
                             ADM_warning("Could not get frame %u while decoding HEVC frame type.\n",i);

Changes of Revision 50