ptb

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -5208,26 +5208,46 @@ static void enable_tracks(AVFormatContext *s)
             st->codecpar->codec_type >= AVMEDIA_TYPE_NB)
             continue;
 
+        // note the first stream number for each type
         if (first[st->codecpar->codec_type] < 0)
             first[st->codecpar->codec_type] = i;

ptb

## based on https://github.com/lioonline/OS-X-El-Capitan
## pkg file link - http://osxapps.itunes.apple.com/apple-assets-us-std-000001/Purple30/v4/cc/62/24/cc62243b-7ed7-74cd-d47e-374bc470ecdf/diu414781394017735583.pkg

# !!IMPORTANT!! Run this from folder where you have downloaded or copied diu414781394017735583.pkg file

#create a tmp folder
mkdir sierraRoot && cd sierraRoot

#create a folder structure to match apple server
sudo mkdir -p ./apple-assets-us-std-000001/Purple30/v4/cc/62/24/cc62243b-7ed7-74cd-d47e-374bc470ecdf/

ptb

#!/usr/bin/python

import sys
import hashlib
from OpenSSL.crypto import *

def main():
  if(len(sys.argv) != 4):
    print sys.argv[0] + " /path/to/ssl.crt /path/to/ssl.key ProcessedMachineIdentifier"
    sys.exit(0)