Streaming Conference #1 登壇資料 #streamingconf

1. 2018.02.26
RTMP
Streaming Conference #1
AbemaTV
RTMP 1.0

2. AbemaTV
Masashi SHIBATA
c-bata c_bata_! "

3. https://developers.cyberagent.co.jp/blog/archives/13739/

4. RTMP
Real time message protocol
2012 Adobe
https://www.adobe.com/jp/devnet/rtmp.html

5. AbemaTV
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RTMP
MPEG-DASH
HLS
HTTP
HD-SDI
Media Server
Encoder
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6. AbemaTV
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MPEG-DASH
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AbemaTV

10. 03 00 00 00 00 00 b8 14 00 00 00 00 ….
∠
∠
∠
Hex to Binary
fmt: 0
cs id: 3
timestamp: 0
message length: 184
message type id: 20
message stream id: 0
※ extended timestamp
0 0 0 0 0 0 1 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0
0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0

11. 03 00 00 00 00 00 b8 14 00 00 00 00 ….
∠
∠
∠
Hex to Binary
fmt: 0
cs id: 3
timestamp: 0
message length: 184
message type id: 20
message stream id: 0
※ extended timestamp
0 0 0 0 0 0 1 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0
0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
fmt:

12. 03 00 00 00 00 00 b8 14 00 00 00 00 ….
∠
∠
∠
Hex to Binary
fmt: 0
cs id: 3
timestamp: 0
message length: 184
message type id: 20
message stream id: 0
※ extended timestamp
0 0 0 0 0 0 1 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0
0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
csid: ID

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Video Audio RPC

14. 03 00 00 00 00 00 b8 14 00 00 00 00 ….
∠
∠
∠
Hex to Binary
fmt: 0
cs id: 3
timestamp: 0
message length: 184
message type id: 20
message stream id: 0
※ extended timestamp
0 0 0 0 0 0 1 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 1 0 1 1 1 0 0 0
0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
ID
/

16. 20
/

17. AMF: Action Message Format
. . . . . . . . .
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. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
. .
. . . . . . . . . . . . . .
http://wwwimages.adobe.com/content/dam/acom/en/devnet/pdf/
amf0-file-format-specification.pdf
AMF0 Specification

18. ! !
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nginx-rtmp-module ffmpeg
RTMP

19. github.com/c-bata/rtmp
Server implementation of RTMP 1.0 protocol in Go.

20. THANK YOU