decrease last_offset when ftyp is present

Originally committed as revision 5283 to svn://svn.ffmpeg.org/ffmpeg/trunk
19 years ago · fd7789dbe8
parent a336965e70
commit fd7789dbe8
1 changed files with 5 additions and 2 deletions
--- a/qt-faststart.c
+++ b/qt-faststart.c
@ -243,8 +243,11 @@ int main(int argc, char *argv[])
        free(moov_atom);
        return 1;
    }
-    /* seek after ftyp atom if needed */
-    fseeko(infile, start_offset, SEEK_SET);
+
+    if (start_offset > 0) { /* seek after ftyp atom */
+        fseeko(infile, start_offset, SEEK_SET);
+        last_offset -= start_offset;
+    }

    outfile = fopen(argv[2], "wb");
    if (!outfile) {