Tweaked start time by 1 sec to avoid getting piece of earlier clip

diff --git a/mkv_extract_chapter b/mkv_extract_chapter
index 53d3cb741d016820b0ebef43cd21370d2b9a55a1..9f5fd81a5949d6a70a0d71e4a712095bbd6a55c2 100755 (executable)
--- a/mkv_extract_chapter
+++ b/mkv_extract_chapter
@@ -1,6 +1,7 @@
 #!/usr/bin/perl
 # Author: Alan J. Pippin
 # Description: Extract the given chapter(s) from an mkv file into separate video files
 #!/usr/bin/perl
 # Author: Alan J. Pippin
 # Description: Extract the given chapter(s) from an mkv file into separate video files

+# Requires: Newer version of ffmpeg to be installed that supports MKV chapters

 
 # MOV:
 # major_brand : qt
 
 # MOV:
 # major_brand : qt


@@ -113,6 +114,7 @@ foreach $line (@ffmpeg_info) {
     if($line =~ /Chapter #\d+\.(\d+): start (\S+), end (\S+)/) {
        $chapter = $1;
        $start = $2;
     if($line =~ /Chapter #\d+\.(\d+): start (\S+), end (\S+)/) {
        $chapter = $1;
        $start = $2;

+        if($start > 0) { $start += 1; } # Add some margin to prevent taking a piece of the previous clip

        $end = $3;
        $duration = $end - $start;
        if($duration < 0) { die "-E- Unexpected negative duration detected for chapter $chapter\n"; }
        $end = $3;
        $duration = $end - $start;
        if($duration < 0) { die "-E- Unexpected negative duration detected for chapter $chapter\n"; }