rx-player
Version:
Canal+ HTML5 Video Player
102 lines (101 loc) • 4.63 kB
JavaScript
/**
* Copyright 2015 CANAL+ Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { parseString } from "../utils";
export function generateSegmentTemplateAttrParser(segmentTemplateAttrs, linearMemory) {
const textDecoder = new TextDecoder();
return function onSegmentTemplateAttribute(attr, ptr, len) {
switch (attr) {
case 19 /* AttributeName.SegmentTimeline */: {
const dataView = new DataView(linearMemory.buffer);
segmentTemplateAttrs.timeline = [];
let base = ptr;
for (let i = 0; i < len / 24; i++) {
segmentTemplateAttrs.timeline.push({
start: dataView.getFloat64(base, true),
duration: dataView.getFloat64(base + 8, true),
repeatCount: dataView.getFloat64(base + 16, true),
});
base += 24;
}
break;
}
case 67 /* AttributeName.InitializationMedia */:
segmentTemplateAttrs.initialization = {
media: parseString(textDecoder, linearMemory.buffer, ptr, len),
};
break;
case 28 /* AttributeName.Index */:
segmentTemplateAttrs.index = parseString(textDecoder, linearMemory.buffer, ptr, len);
break;
case 43 /* AttributeName.AvailabilityTimeOffset */: {
const dataView = new DataView(linearMemory.buffer);
segmentTemplateAttrs.availabilityTimeOffset = dataView.getFloat64(ptr, true);
break;
}
case 22 /* AttributeName.AvailabilityTimeComplete */: {
segmentTemplateAttrs.availabilityTimeComplete =
new DataView(linearMemory.buffer).getUint8(0) === 0;
break;
}
case 24 /* AttributeName.PresentationTimeOffset */: {
const dataView = new DataView(linearMemory.buffer);
segmentTemplateAttrs.presentationTimeOffset = dataView.getFloat64(ptr, true);
break;
}
case 27 /* AttributeName.TimeScale */: {
const dataView = new DataView(linearMemory.buffer);
segmentTemplateAttrs.timescale = dataView.getFloat64(ptr, true);
break;
}
case 31 /* AttributeName.IndexRange */: {
const dataView = new DataView(linearMemory.buffer);
segmentTemplateAttrs.indexRange = [
dataView.getFloat64(ptr, true),
dataView.getFloat64(ptr + 8, true),
];
break;
}
case 23 /* AttributeName.IndexRangeExact */: {
segmentTemplateAttrs.indexRangeExact =
new DataView(linearMemory.buffer).getUint8(0) === 0;
break;
}
case 30 /* AttributeName.Media */:
segmentTemplateAttrs.media = parseString(textDecoder, linearMemory.buffer, ptr, len);
break;
case 32 /* AttributeName.BitstreamSwitching */: {
segmentTemplateAttrs.bitstreamSwitching =
new DataView(linearMemory.buffer).getUint8(0) === 0;
break;
}
case 1 /* AttributeName.Duration */: {
const dataView = new DataView(linearMemory.buffer);
segmentTemplateAttrs.duration = dataView.getFloat64(ptr, true);
break;
}
case 20 /* AttributeName.StartNumber */: {
const dataView = new DataView(linearMemory.buffer);
segmentTemplateAttrs.startNumber = dataView.getFloat64(ptr, true);
break;
}
case 76 /* AttributeName.EndNumber */: {
const dataView = new DataView(linearMemory.buffer);
segmentTemplateAttrs.endNumber = dataView.getFloat64(ptr, true);
break;
}
}
};
}