Merge pull request #533 from dmlap/live-edge-constant
Make a constant for the live edge
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1 changed file
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16 additions
and
5 deletions
... | @@ -4,6 +4,16 @@ | ... | @@ -4,6 +4,16 @@ |
4 | (function(window, videojs) { | 4 | (function(window, videojs) { |
5 | 'use strict'; | 5 | 'use strict'; |
6 | 6 | ||
7 | var Playlist = { | ||
8 | /** | ||
9 | * The number of segments that are unsafe to start playback at in | ||
10 | * a live stream. Changing this value can cause playback stalls. | ||
11 | * See HTTP Live Streaming, "Playing the Media Playlist File" | ||
12 | * https://tools.ietf.org/html/draft-pantos-http-live-streaming-18#section-6.3.3 | ||
13 | */ | ||
14 | UNSAFE_LIVE_SEGMENTS: 3 | ||
15 | }; | ||
16 | |||
7 | var duration, intervalDuration, backwardDuration, forwardDuration, seekable; | 17 | var duration, intervalDuration, backwardDuration, forwardDuration, seekable; |
8 | 18 | ||
9 | backwardDuration = function(playlist, endSequence) { | 19 | backwardDuration = function(playlist, endSequence) { |
... | @@ -186,13 +196,14 @@ | ... | @@ -186,13 +196,14 @@ |
186 | // https://tools.ietf.org/html/draft-pantos-http-live-streaming-16#section-6.3.3 | 196 | // https://tools.ietf.org/html/draft-pantos-http-live-streaming-16#section-6.3.3 |
187 | start = intervalDuration(playlist, playlist.mediaSequence); | 197 | start = intervalDuration(playlist, playlist.mediaSequence); |
188 | end = intervalDuration(playlist, | 198 | end = intervalDuration(playlist, |
189 | playlist.mediaSequence + Math.max(0, playlist.segments.length - 3)); | 199 | playlist.mediaSequence + |
200 | Math.max(0, playlist.segments.length - Playlist.UNSAFE_LIVE_SEGMENTS)); | ||
190 | return videojs.createTimeRange(start, end); | 201 | return videojs.createTimeRange(start, end); |
191 | }; | 202 | }; |
192 | 203 | ||
193 | // exports | 204 | // exports |
194 | videojs.Hls.Playlist = { | 205 | Playlist.duration = duration; |
195 | duration: duration, | 206 | Playlist.seekable = seekable; |
196 | seekable: seekable | 207 | videojs.Hls.Playlist = Playlist; |
197 | }; | 208 | |
198 | })(window, window.videojs); | 209 | })(window, window.videojs); | ... | ... |
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