From ef5fe487f3fc3c1867089e1c56690f5ec745210b Mon Sep 17 00:00:00 2001
From: eumagga0x2a <eumagga0x2a@users.noreply.github.com>
Date: Wed, 20 Mar 2019 22:41:04 +0100
Subject: [PATCH] [coreDemuxerMpeg/coreUtils] Increase tolerance for detection
 of sequenced files to 8 MiB from 1 GiB fragment size on, this is probably the
 upper limit

---
 avidemux_core/ADM_coreDemuxerMpeg/src/dmx_io.cpp | 2 ++
 avidemux_core/ADM_coreUtils/src/avidemutils.cpp  | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/avidemux_core/ADM_coreDemuxerMpeg/src/dmx_io.cpp b/avidemux_core/ADM_coreDemuxerMpeg/src/dmx_io.cpp
index 1241ae2f82..df83498470 100644
--- a/avidemux_core/ADM_coreDemuxerMpeg/src/dmx_io.cpp
+++ b/avidemux_core/ADM_coreDemuxerMpeg/src/dmx_io.cpp
@@ -188,6 +188,8 @@ uint8_t fileParser::open( const char *filename,FP_TYPE *multi )
                         if(myFd.fileSize >= threshold-tolerance && myFd.fileSize <= threshold+tolerance)
                             break;
                         threshold<<=1;
+                        if(i==1)
+                            tolerance<<=3; // 8 MiB starting with 1 GiB fragment size
                     }
                 }
                 count++;
diff --git a/avidemux_core/ADM_coreUtils/src/avidemutils.cpp b/avidemux_core/ADM_coreUtils/src/avidemutils.cpp
index ce861cf973..b85671e713 100644
--- a/avidemux_core/ADM_coreUtils/src/avidemutils.cpp
+++ b/avidemux_core/ADM_coreUtils/src/avidemutils.cpp
@@ -510,6 +510,8 @@ bool ADM_probeSequencedFile(const char *fileName)
             break;
         }
         threshold<<=1;
+        if(i==1)
+            tolerance<<=3; // 8 MiB starting with 1 GiB fragment size
     }
     if(!success)
         return false;