gumd 0.0.5

gumd, Grande Unified Multicast Daemon

Grande Unified M ulticast D aemon,

---

" I've been googling for some time now, and still have yet to find a working example of Python multicast..."

Is what your mom and your sister used to say, before gumd.

---

• Requires

  • python3.6 +

• Install

git clone https://github.com/futzu/gumd

cd gumd

### as root

install gumd.py /usr/local/bin/gumd 

• Use

  • Supported input mpegts URIs:

    • files gumd -i /home/me/vid.ts

    • http(s) gumd -i https://futzu.com/xaa.ts

    • multicast gumd -i udp://@235.1.2.3:4567

    • reading from stdin cat myvideo.ts | gumd

usage: gumd [-h] [-i INPUT] [-a ADDR] [-t TTL]

options:
  -h, --help            show this help message and exit
  
  -i INPUT, --input INPUT
                        like "/home/a/vid.ts" 
                        or "https://futzu.com/xaa.ts"
                        
                        default: sys.stdin.buffer
                        
  -a ADDR, --addr ADDR  multicast stream address like "235.35.3.5:3535"
        
                        default "235.35.3.5:3535"
  
  -t TTL, --ttl TTL     ttl value for stream, range 1 - 255
  
                        default 1

• start gumd

gumd -i video.ts

• play gumd stream with ffplay

ffplay udp://@235.35.3.5:3535

• segment stream from gumd into hls with x9k3

pypy3 x9k3.py -i udp://@235.35.3.5:3535

• On Linux, this is how I set up for receiving a multicast stream.

## <dev> is the network device

ip link set <dev> multicast on allmulticast on

ethtool  -G <dev> rx 4096

sysctl -w net.core.rmem_default=50000000

sysctl -w net.core.rmem_max=150000000