86 lines
3.2 KiB
ActionScript
86 lines
3.2 KiB
ActionScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mangui.osmf.plugins.traits {
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import org.mangui.hls.HLS;
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import org.mangui.hls.event.HLSEvent;
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import org.osmf.traits.DynamicStreamTrait;
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import org.osmf.utils.OSMFStrings;
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CONFIG::LOGGING {
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import org.mangui.hls.utils.Log;
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}
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public class HLSDynamicStreamTrait extends DynamicStreamTrait {
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private var _hls : HLS;
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public function HLSDynamicStreamTrait(hls : HLS) {
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CONFIG::LOGGING {
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Log.debug("HLSDynamicStreamTrait()");
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}
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_hls = hls;
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_hls.addEventListener(HLSEvent.LEVEL_SWITCH, _levelSwitchHandler);
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super(true, _hls.startLevel, hls.levels.length);
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}
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override public function dispose() : void {
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CONFIG::LOGGING {
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Log.debug("HLSDynamicStreamTrait:dispose");
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}
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_hls.removeEventListener(HLSEvent.LEVEL_SWITCH, _levelSwitchHandler);
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super.dispose();
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}
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override public function getBitrateForIndex(index : int) : Number {
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if (index > numDynamicStreams - 1 || index < 0) {
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throw new RangeError(OSMFStrings.getString(OSMFStrings.STREAMSWITCH_INVALID_INDEX));
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}
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var bitrate : Number = _hls.levels[index].bitrate / 1000;
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CONFIG::LOGGING {
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Log.debug("HLSDynamicStreamTrait:getBitrateForIndex(" + index + ")=" + bitrate);
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}
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return bitrate;
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}
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override public function switchTo(index : int) : void {
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CONFIG::LOGGING {
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Log.debug("HLSDynamicStreamTrait:switchTo(" + index + ")/max:" + maxAllowedIndex);
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}
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if (index < 0 || index > maxAllowedIndex) {
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throw new RangeError(OSMFStrings.getString(OSMFStrings.STREAMSWITCH_INVALID_INDEX));
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}
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autoSwitch = false;
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if (!switching) {
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setSwitching(true, index);
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}
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}
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override protected function autoSwitchChangeStart(value : Boolean) : void {
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CONFIG::LOGGING {
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Log.debug("HLSDynamicStreamTrait:autoSwitchChangeStart:" + value);
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}
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if (value == true && _hls.autoLevel == false) {
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_hls.nextLevel = -1;
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}
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}
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override protected function switchingChangeStart(newSwitching : Boolean, index : int) : void {
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CONFIG::LOGGING {
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Log.debug("HLSDynamicStreamTrait:switchingChangeStart(newSwitching/index):" + newSwitching + "/" + index);
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}
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if (newSwitching) {
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_hls.currentLevel = index;
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}
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}
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/** Update playback position/duration **/
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private function _levelSwitchHandler(event : HLSEvent) : void {
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var newLevel : int = event.level;
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CONFIG::LOGGING {
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Log.debug("HLSDynamicStreamTrait:_qualitySwitchHandler:" + newLevel);
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}
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setCurrentIndex(newLevel);
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setSwitching(false, newLevel);
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};
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}
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} |