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parity between browser and node using binary encoding
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James Halliday committed Jun 4, 2015
1 parent a549fca commit 123fd37
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27 changes: 12 additions & 15 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -18,18 +18,15 @@ happens here.
``` js
var min = require('sdp-minimizer');
console.log(min.reduce({
'sdp':'v=0\r\no=- 5569982971256804497 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na'
+ '=msid-semantic: WMS\r\nm=application 53110 DTLS/SCTP 5000\r\nc=IN IP4 14'
+ '2.254.26.9\r\na=candidate:3338612916 1 udp 2122194687 192.168.186.18 531'
+ '10 typ host generation 0\r\na=candidate:2289880132 1 tcp 1518214911 192.'
+ '168.186.18 0 typ host tcptype active generation 0\r\na=candidate:1752471'
+ '43 1 udp 1685987071 142.254.26.9 53110 typ srflx raddr 192.168.186.18 rp'
+ 'ort 53110 generation 0\r\na=ice-ufrag:tCjVOmVGpVZjCem/\r\na=ice-pwd:dOU7'
+ '7RWjJ8qQNb5OTz6D+U7h\r\na=ice-options:google-ice\r\na=fingerprint:sha-25'
+ '6 AE:DB:BE:7E:9B:17:45:A7:A5:54:40:A8:66:19:11:5C:F2:34:C8:0A:B9:85:32:7'
+ '0:09:2E:A9:91:A2:82:E8:71\r\na=setup:actpass\r\na=mid:data\r\na=sctpmap:'
+ '5000 webrtc-datachannel 1024\r\n',
'type':'offer'
type: 'offer',
sdp: 'v=0\r\no=- 5498186869896684180 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na'
+ '=msid-semantic: WMS\r\nm=application 9 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0'
+ '.0\r\na=mid:data\r\na=sctpmap:5000 webrtc-datachannel 1024\r\na=setup:a'
+ 'ctpass\r\na=ice-ufrag:tCjVOmVGpVZjCem/\r\na=ice-pwd:dOU77RWjJ8qQNb5OTz6'
+ 'D+U7h\r\na=fingerprint:sha-256 C2:AE:C3:9B:C2:BE:7E:C2:9B:17:45:C2:A7:C'
+ '2:A5:54:40:C2:A8:66:19:11:5C:C3:B2:34:C3:88:0A:C2:B9:C2:85:32:70:09:2E:'
+ 'C2:A9:C2:91:C2:A2:C2:82:C3:A8:71\r\na=candidate:0 1 udp 1 0.0.0.0 typ '
+ 'host\r\n'
}));
```

Expand All @@ -44,16 +41,16 @@ O,tCjVOmVGpVZjCem/,dOU77RWjJ8qQNb5OTz6D+U7h,wq7Dm8K+fsKbF0XCp8KlVEDCqGYZEVzDsjTD
``` js
var min = require('sdp-minimizer');
console.log(min.expand(
'O,tCjVOmVGpVZjCem/,dOU77RWjJ8qQNb5OTz6D+U7h,wq7Dm8K+fsKbF0XCp8KlVEDCqGYZEVzD'
+ 'sjTDiArCucKFMnAJLsKpwpHCosKCw6hx'
'O,tCjVOmVGpVZjCem/,dOU77RWjJ8qQNb5OTz6D+U7h,wq7Dm8K+fsKbF0XCp8KlVEDCqGYZEVz'
+ 'DsjTDiArCucKFMnAJLsKpwpHCosKCw6hx'
));
```

output:

```
{ type: 'offer',
sdp: 'v=0\r\no=- 5498186869896684180 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=msid-semantic: WMS\r\nm=application 9 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:data\r\na=sctpmap:5000 webrtc-datachannel 1024\r\na=setup:actpass\r\na=ice-ufrag:tCjVOmVGpVZjCem/\r\na=ice-pwd:dOU77RWjJ8qQNb5OTz6D+U7h\r\na=fingerprint:sha-256 AE:DB:BE:7E:9B:17:45:A7:A5:54:40:A8:66:19:11:5C:F2:34:C8:0A:B9:85:32:70:09:2E:A9:91:A2:82:E8:71\r\na=candidate:0 1 udp 1 0.0.0.0 typ host\r\n' }
sdp: 'v=0\r\no=- 5498186869896684180 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=msid-semantic: WMS\r\nm=application 9 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0.0\r\na=mid:data\r\na=sctpmap:5000 webrtc-datachannel 1024\r\na=setup:actpass\r\na=ice-ufrag:tCjVOmVGpVZjCem/\r\na=ice-pwd:dOU77RWjJ8qQNb5OTz6D+U7h\r\na=fingerprint:sha-256 C2:AE:C3:9B:C2:BE:7E:C2:9B:17:45:C2:A7:C2:A5:54:40:C2:A8:66:19:11:5C:C3:B2:34:C3:88:0A:C2:B9:C2:85:32:70:09:2E:C2:A9:C2:91:C2:A2:C2:82:C3:A8:71\r\na=candidate:0 1 udp 1 0.0.0.0 typ host\r\n' }
```

# Usage
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4 changes: 2 additions & 2 deletions b.js
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@@ -1,2 +1,2 @@
exports.btoa = function (s) { return Buffer(s).toString('base64') }
exports.atob = function (s) { return Buffer(s, 'base64').toString() }
exports.btoa = function (s) { return Buffer(s, 'binary').toString('base64') }
exports.atob = function (s) { return Buffer(s, 'base64').toString('binary') }
4 changes: 2 additions & 2 deletions example/expand.js
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@@ -1,5 +1,5 @@
var min = require('../');
console.log(min.expand(
'O,tCjVOmVGpVZjCem/,dOU77RWjJ8qQNb5OTz6D+U7h,wq7Dm8K+fsKbF0XCp8KlVEDCqGYZEVzD'
+ 'sjTDiArCucKFMnAJLsKpwpHCosKCw6hx'
'O,tCjVOmVGpVZjCem/,dOU77RWjJ8qQNb5OTz6D+U7h,wq7Dm8K+fsKbF0XCp8KlVEDCqGYZEVz'
+ 'DsjTDiArCucKFMnAJLsKpwpHCosKCw6hx'
));
21 changes: 9 additions & 12 deletions example/reduce.js
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Original file line number Diff line number Diff line change
@@ -1,15 +1,12 @@
var min = require('../');
console.log(min.reduce({
'sdp':'v=0\r\no=- 5569982971256804497 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na'
+ '=msid-semantic: WMS\r\nm=application 53110 DTLS/SCTP 5000\r\nc=IN IP4 14'
+ '2.254.26.9\r\na=candidate:3338612916 1 udp 2122194687 192.168.186.18 531'
+ '10 typ host generation 0\r\na=candidate:2289880132 1 tcp 1518214911 192.'
+ '168.186.18 0 typ host tcptype active generation 0\r\na=candidate:1752471'
+ '43 1 udp 1685987071 142.254.26.9 53110 typ srflx raddr 192.168.186.18 rp'
+ 'ort 53110 generation 0\r\na=ice-ufrag:tCjVOmVGpVZjCem/\r\na=ice-pwd:dOU7'
+ '7RWjJ8qQNb5OTz6D+U7h\r\na=ice-options:google-ice\r\na=fingerprint:sha-25'
+ '6 AE:DB:BE:7E:9B:17:45:A7:A5:54:40:A8:66:19:11:5C:F2:34:C8:0A:B9:85:32:7'
+ '0:09:2E:A9:91:A2:82:E8:71\r\na=setup:actpass\r\na=mid:data\r\na=sctpmap:'
+ '5000 webrtc-datachannel 1024\r\n',
'type':'offer'
type: 'offer',
sdp: 'v=0\r\no=- 5498186869896684180 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na'
+ '=msid-semantic: WMS\r\nm=application 9 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0'
+ '.0\r\na=mid:data\r\na=sctpmap:5000 webrtc-datachannel 1024\r\na=setup:a'
+ 'ctpass\r\na=ice-ufrag:tCjVOmVGpVZjCem/\r\na=ice-pwd:dOU77RWjJ8qQNb5OTz6'
+ 'D+U7h\r\na=fingerprint:sha-256 C2:AE:C3:9B:C2:BE:7E:C2:9B:17:45:C2:A7:C'
+ '2:A5:54:40:C2:A8:66:19:11:5C:C3:B2:34:C3:88:0A:C2:B9:C2:85:32:70:09:2E:'
+ 'C2:A9:C2:91:C2:A2:C2:82:C3:A8:71\r\na=candidate:0 1 udp 1 0.0.0.0 typ '
+ 'host\r\n'
}));
7 changes: 4 additions & 3 deletions test/min.js
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Expand Up @@ -6,9 +6,10 @@ var expanded = {
+ '=msid-semantic: WMS\r\nm=application 9 DTLS/SCTP 5000\r\nc=IN IP4 0.0.0'
+ '.0\r\na=mid:data\r\na=sctpmap:5000 webrtc-datachannel 1024\r\na=setup:a'
+ 'ctpass\r\na=ice-ufrag:tCjVOmVGpVZjCem/\r\na=ice-pwd:dOU77RWjJ8qQNb5OTz6'
+ 'D+U7h\r\na=fingerprint:sha-256 AE:DB:BE:7E:9B:17:45:A7:A5:54:40:A8:66:1'
+ '9:11:5C:F2:34:C8:0A:B9:85:32:70:09:2E:A9:91:A2:82:E8:71\r\na=candidate:'
+ '0 1 udp 1 0.0.0.0 typ host\r\n'
+ 'D+U7h\r\na=fingerprint:sha-256 C2:AE:C3:9B:C2:BE:7E:C2:9B:17:45:C2:A7:C'
+ '2:A5:54:40:C2:A8:66:19:11:5C:C3:B2:34:C3:88:0A:C2:B9:C2:85:32:70:09:2E:'
+ 'C2:A9:C2:91:C2:A2:C2:82:C3:A8:71\r\na=candidate:0 1 udp 1 0.0.0.0 typ '
+ 'host\r\n'
};
var compact = 'O,tCjVOmVGpVZjCem/,dOU77RWjJ8qQNb5OTz6D+U7h,wq7Dm8K+fsKbF0XCp8K'
+ 'lVEDCqGYZEVzDsjTDiArCucKFMnAJLsKpwpHCosKCw6hx';
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