Collect parsing events into a manifest object
Create a parser that interprets parsing events and produces a manifest object. Get all the tests working. Comment a few manifest controller tests out because the interface of that object needs to be updated to use the new parser.
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151 additions
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20 deletions
... | @@ -18,7 +18,7 @@ | ... | @@ -18,7 +18,7 @@ |
18 | "grunt": "~0.4.1" | 18 | "grunt": "~0.4.1" |
19 | }, | 19 | }, |
20 | "dependencies": { | 20 | "dependencies": { |
21 | "video.js": "~4.2.2", | 21 | "video.js": "git+https://github.com/dmlap/video-js.git#v4.3.0-3", |
22 | "videojs-contrib-media-sources": "0.0.0" | 22 | "videojs-contrib-media-sources": "0.0.0" |
23 | } | 23 | } |
24 | } | 24 | } | ... | ... |
1 | (function(parseInt, undefined) { | 1 | (function(parseInt, isFinite, mergeOptions, undefined) { |
2 | var | 2 | var |
3 | noop = function() {}, | ||
3 | parseAttributes = function(attributes) { | 4 | parseAttributes = function(attributes) { |
4 | var | 5 | var |
5 | attrs = attributes.split(','), | 6 | attrs = attributes.split(','), |
... | @@ -13,10 +14,12 @@ | ... | @@ -13,10 +14,12 @@ |
13 | return result; | 14 | return result; |
14 | }, | 15 | }, |
15 | Stream, | 16 | Stream, |
16 | Tokenizer, | 17 | LineStream, |
18 | ParseStream, | ||
17 | Parser; | 19 | Parser; |
18 | 20 | ||
19 | Stream = function() { | 21 | Stream = function() { |
22 | this.init = function() { | ||
20 | var listeners = {}; | 23 | var listeners = {}; |
21 | this.on = function(type, listener) { | 24 | this.on = function(type, listener) { |
22 | if (!listeners[type]) { | 25 | if (!listeners[type]) { |
... | @@ -46,16 +49,16 @@ | ... | @@ -46,16 +49,16 @@ |
46 | } | 49 | } |
47 | }; | 50 | }; |
48 | }; | 51 | }; |
52 | }; | ||
49 | Stream.prototype.pipe = function(destination) { | 53 | Stream.prototype.pipe = function(destination) { |
50 | this.on('data', function(data) { | 54 | this.on('data', function(data) { |
51 | destination.push(data); | 55 | destination.push(data); |
52 | }); | 56 | }); |
53 | }; | 57 | }; |
54 | 58 | ||
55 | Tokenizer = function() { | 59 | LineStream = function() { |
56 | var | 60 | var buffer = ''; |
57 | buffer = '', | 61 | LineStream.prototype.init.call(this); |
58 | tokenizer; | ||
59 | 62 | ||
60 | this.push = function(data) { | 63 | this.push = function(data) { |
61 | var nextNewline; | 64 | var nextNewline; |
... | @@ -69,11 +72,13 @@ | ... | @@ -69,11 +72,13 @@ |
69 | } | 72 | } |
70 | }; | 73 | }; |
71 | }; | 74 | }; |
72 | Tokenizer.prototype = new Stream(); | 75 | LineStream.prototype = new Stream(); |
73 | 76 | ||
74 | Parser = function() {}; | 77 | ParseStream = function() { |
75 | Parser.prototype = new Stream(); | 78 | ParseStream.prototype.init.call(this); |
76 | Parser.prototype.push = function(line) { | 79 | }; |
80 | ParseStream.prototype = new Stream(); | ||
81 | ParseStream.prototype.push = function(line) { | ||
77 | var match, event; | 82 | var match, event; |
78 | if (line.length === 0) { | 83 | if (line.length === 0) { |
79 | // ignore empty lines | 84 | // ignore empty lines |
... | @@ -114,7 +119,7 @@ | ... | @@ -114,7 +119,7 @@ |
114 | tagType: 'inf' | 119 | tagType: 'inf' |
115 | }; | 120 | }; |
116 | if (match[1]) { | 121 | if (match[1]) { |
117 | event.duration = parseInt(match[1], 10); | 122 | event.duration = parseFloat(match[1], 10); |
118 | } | 123 | } |
119 | if (match[2]) { | 124 | if (match[2]) { |
120 | event.title = match[2]; | 125 | event.title = match[2]; |
... | @@ -146,7 +151,7 @@ | ... | @@ -146,7 +151,7 @@ |
146 | this.trigger('data', event); | 151 | this.trigger('data', event); |
147 | return; | 152 | return; |
148 | } | 153 | } |
149 | match = (/^#EXT-X-MEDIA-SEQUENCE:?([0-9.]*)?/).exec(line); | 154 | match = (/^#EXT-X-MEDIA-SEQUENCE:?(\-?[0-9.]*)?/).exec(line); |
150 | if (match) { | 155 | if (match) { |
151 | event = { | 156 | event = { |
152 | type: 'tag', | 157 | type: 'tag', |
... | @@ -246,8 +251,135 @@ | ... | @@ -246,8 +251,135 @@ |
246 | }); | 251 | }); |
247 | }; | 252 | }; |
248 | 253 | ||
254 | Parser = function() { | ||
255 | var | ||
256 | self = this, | ||
257 | uris = [], | ||
258 | currentUri = {}; | ||
259 | Parser.prototype.init.call(this); | ||
260 | |||
261 | this.lineStream = new LineStream(); | ||
262 | this.parseStream = new ParseStream(); | ||
263 | this.lineStream.pipe(this.parseStream); | ||
264 | |||
265 | // the manifest is empty until the parse stream begins delivering data | ||
266 | this.manifest = { | ||
267 | allowCache: true | ||
268 | }; | ||
269 | |||
270 | // update the manifest with the m3u8 entry from the parse stream | ||
271 | this.parseStream.on('data', function(entry) { | ||
272 | ({ | ||
273 | tag: function() { | ||
274 | // switch based on the tag type | ||
275 | (({ | ||
276 | 'allow-cache': function() { | ||
277 | this.manifest.allowCache = entry.allowed; | ||
278 | if (!('allowed' in entry)) { | ||
279 | this.trigger('info', { | ||
280 | message: 'defaulting allowCache to YES' | ||
281 | }); | ||
282 | this.manifest.allowCache = true; | ||
283 | } | ||
284 | }, | ||
285 | 'byterange': function() { | ||
286 | var byterange = {}; | ||
287 | if ('length' in entry) { | ||
288 | currentUri.byterange = byterange; | ||
289 | byterange.length = entry.length; | ||
290 | |||
291 | if (!('offset' in entry)) { | ||
292 | this.trigger('info', { | ||
293 | message: 'defaulting offset to zero' | ||
294 | }); | ||
295 | entry.offset = 0; | ||
296 | } | ||
297 | } | ||
298 | if ('offset' in entry) { | ||
299 | currentUri.byterange = byterange; | ||
300 | byterange.offset = entry.offset; | ||
301 | } | ||
302 | }, | ||
303 | 'inf': function() { | ||
304 | if (!this.manifest.playlistType) { | ||
305 | this.manifest.playlistType = 'VOD'; | ||
306 | this.trigger('info', { | ||
307 | message: 'defaulting playlist type to VOD' | ||
308 | }); | ||
309 | } | ||
310 | if (!('mediaSequence' in this.manifest)) { | ||
311 | this.manifest.mediaSequence = 0; | ||
312 | this.trigger('info', { | ||
313 | message: 'defaulting media sequence to zero' | ||
314 | }); | ||
315 | } | ||
316 | if (entry.duration >= 0) { | ||
317 | currentUri.duration = entry.duration; | ||
318 | } | ||
319 | this.manifest.segments = uris; | ||
320 | }, | ||
321 | 'media-sequence': function() { | ||
322 | if (!isFinite(entry.number)) { | ||
323 | this.trigger('warn', { | ||
324 | message: 'ignoring invalid media sequence: ' + entry.number | ||
325 | }); | ||
326 | return; | ||
327 | } | ||
328 | this.manifest.mediaSequence = entry.number; | ||
329 | }, | ||
330 | 'playlist-type': function() { | ||
331 | if (!(/VOD|EVENT/).test(entry.playlistType)) { | ||
332 | this.trigger('warn', { | ||
333 | message: 'ignoring unknown playlist type: ' + entry.playlist | ||
334 | }); | ||
335 | return; | ||
336 | } | ||
337 | this.manifest.playlistType = entry.playlistType; | ||
338 | }, | ||
339 | 'stream-inf': function() { | ||
340 | if (!currentUri.attributes) { | ||
341 | currentUri.attributes = {}; | ||
342 | } | ||
343 | currentUri.attributes = mergeOptions(currentUri.attributes, | ||
344 | entry.attributes); | ||
345 | this.manifest.playlists = uris; | ||
346 | }, | ||
347 | 'targetduration': function() { | ||
348 | if (!isFinite(entry.duration) || entry.duration < 0) { | ||
349 | this.trigger('warn', { | ||
350 | message: 'ignoring invalid target duration: ' + entry.duration | ||
351 | }); | ||
352 | return; | ||
353 | } | ||
354 | this.manifest.targetDuration = entry.duration; | ||
355 | } | ||
356 | })[entry.tagType] || noop).call(self); | ||
357 | }, | ||
358 | uri: function() { | ||
359 | currentUri.uri = entry.uri; | ||
360 | uris.push(currentUri); | ||
361 | |||
362 | // prepare for the next URI | ||
363 | currentUri = {}; | ||
364 | }, | ||
365 | comment: function() { | ||
366 | // comments are not important for playback | ||
367 | } | ||
368 | })[entry.type].call(self); | ||
369 | }); | ||
370 | }; | ||
371 | Parser.prototype = new Stream(); | ||
372 | Parser.prototype.push = function(chunk) { | ||
373 | this.lineStream.push(chunk); | ||
374 | }; | ||
375 | Parser.prototype.end = function() { | ||
376 | // flush any buffered input | ||
377 | this.lineStream.push('\n'); | ||
378 | }; | ||
379 | |||
249 | window.videojs.m3u8 = { | 380 | window.videojs.m3u8 = { |
250 | Tokenizer: Tokenizer, | 381 | LineStream: LineStream, |
382 | ParseStream: ParseStream, | ||
251 | Parser: Parser | 383 | Parser: Parser |
252 | }; | 384 | }; |
253 | })(window.parseInt); | 385 | })(window.parseInt, window.isFinite, window.videojs.util.mergeOptions); | ... | ... |
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1 | window.playlist_media_sequence_template = '#EXTM3U\n'+ | 1 | window.playlist_media_sequence_template = '#EXTM3U\n'+ |
2 | '#EXT-X-PLAYLIST-TYPE:VOD\n'+ | 2 | '#EXT-X-PLAYLIST-TYPE:VOD\n'+ |
3 | '{{#if mediaSequence}}#EXT-X-MEDIA-SEQUENCE:{{{mediaSequence}}}{{/if}}\n'+ | 3 | '{{#if mediaSequence}}#EXT-X-MEDIA-SEQUENCE:{{{mediaSequence}}}{{/if}}\n'+ |
4 | '{{#if mediaSequence1}}#EXT-X-MEDIA-SEQUENCE:{{{mediaSequence2}}}{{/if}}\n'+ | 4 | '{{#if mediaSequence1}}#EXT-X-MEDIA-SEQUENCE:{{{mediaSequence1}}}{{/if}}\n'+ |
5 | '#EXT-X-ALLOW-CACHE:YES\n'+ | 5 | '#EXT-X-ALLOW-CACHE:YES\n'+ |
6 | '#EXT-X-TARGETDURATION:8\n'+ | 6 | '#EXT-X-TARGETDURATION:8\n'+ |
7 | '#EXTINF:6.640,{}\n'+ | 7 | '#EXTINF:6.640,{}\n'+ | ... | ... |
... | @@ -11,7 +11,7 @@ | ... | @@ -11,7 +11,7 @@ |
11 | <script src="../libs/handlebars/handlebars-v1.1.2.js"></script> | 11 | <script src="../libs/handlebars/handlebars-v1.1.2.js"></script> |
12 | 12 | ||
13 | <!-- video.js --> | 13 | <!-- video.js --> |
14 | <script src="../node_modules/video.js/video.dev.js"></script> | 14 | <script src="../node_modules/video.js/dist/video-js/video.js"></script> |
15 | 15 | ||
16 | <!-- HLS plugin --> | 16 | <!-- HLS plugin --> |
17 | <script src="../src/video-js-hls.js"></script> | 17 | <script src="../src/video-js-hls.js"></script> |
... | @@ -22,10 +22,9 @@ | ... | @@ -22,10 +22,9 @@ |
22 | <script src="../src/segment-parser.js"></script> | 22 | <script src="../src/segment-parser.js"></script> |
23 | 23 | ||
24 | <!-- M3U8 --> | 24 | <!-- M3U8 --> |
25 | <script src="../src/m3u8/m3u8-tokenizer.js"></script> | 25 | <script src="../src/m3u8/m3u8-parser.js"></script> |
26 | <script src="../src/m3u8/m3u8.js"></script> | 26 | <script src="../src/m3u8/m3u8.js"></script> |
27 | <script src="../src/m3u8/m3u8-tag-types.js"></script> | 27 | <script src="../src/m3u8/m3u8-tag-types.js"></script> |
28 | <script src="../build/m3u8-parser.js"></script> | ||
29 | <script src="../src/manifest-controller.js"></script> | 28 | <script src="../src/manifest-controller.js"></script> |
30 | <!-- M3U8 TEST DATA --> | 29 | <!-- M3U8 TEST DATA --> |
31 | <script src="manifest/playlistM3U8data.js"></script> | 30 | <script src="manifest/playlistM3U8data.js"></script> | ... | ... |
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