rx-player
Version:
Canal+ HTML5 Video Player
111 lines (110 loc) • 6.88 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.
*/
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = pushMediaSegment;
var config_1 = require("../../../../config");
var object_assign_1 = require("../../../../utils/object_assign");
var append_segment_to_buffer_1 = require("./append_segment_to_buffer");
/**
* Push a given media segment (non-init segment) to a SegmentSink.
* @param {Object} args
* @param {Object} cancelSignal
* @returns {Promise}
*/
function pushMediaSegment(_a, cancelSignal_1) {
return __awaiter(this, arguments, void 0, function (_b, cancelSignal) {
var chunkData, chunkInfos, chunkOffset, chunkSize, appendWindow, codec, APPEND_WINDOW_SECURITIES, safeAppendWindow, data, estimatedStart, estimatedDuration, estimatedEnd, inventoryInfos, buffered;
var _c, _d;
var playbackObserver = _b.playbackObserver, bufferGoal = _b.bufferGoal, content = _b.content, initSegmentUniqueId = _b.initSegmentUniqueId, parsedSegment = _b.parsedSegment, segment = _b.segment, segmentSink = _b.segmentSink;
return __generator(this, function (_e) {
switch (_e.label) {
case 0:
if (parsedSegment.chunkData === null) {
return [2 /*return*/, null];
}
chunkData = parsedSegment.chunkData, chunkInfos = parsedSegment.chunkInfos, chunkOffset = parsedSegment.chunkOffset, chunkSize = parsedSegment.chunkSize, appendWindow = parsedSegment.appendWindow;
codec = content.representation.getMimeTypeString();
APPEND_WINDOW_SECURITIES = config_1.default.getCurrent().APPEND_WINDOW_SECURITIES;
safeAppendWindow = [
appendWindow[0] !== undefined
? Math.max(0, appendWindow[0] - APPEND_WINDOW_SECURITIES.START)
: undefined,
appendWindow[1] !== undefined
? appendWindow[1] + APPEND_WINDOW_SECURITIES.END
: undefined,
];
data = {
initSegmentUniqueId: initSegmentUniqueId,
chunk: chunkData,
timestampOffset: chunkOffset,
appendWindow: safeAppendWindow,
codec: codec,
};
estimatedStart = (_c = chunkInfos === null || chunkInfos === void 0 ? void 0 : chunkInfos.time) !== null && _c !== void 0 ? _c : segment.time;
estimatedDuration = (_d = chunkInfos === null || chunkInfos === void 0 ? void 0 : chunkInfos.duration) !== null && _d !== void 0 ? _d : segment.duration;
estimatedEnd = estimatedStart + estimatedDuration;
if (safeAppendWindow[0] !== undefined) {
estimatedStart = Math.max(estimatedStart, safeAppendWindow[0]);
}
if (safeAppendWindow[1] !== undefined) {
estimatedEnd = Math.min(estimatedEnd, safeAppendWindow[1]);
}
inventoryInfos = (0, object_assign_1.default)({ segment: segment, chunkSize: chunkSize, start: estimatedStart, end: estimatedEnd }, content);
return [4 /*yield*/, (0, append_segment_to_buffer_1.default)(playbackObserver, segmentSink, { data: data, inventoryInfos: inventoryInfos }, bufferGoal, cancelSignal)];
case 1:
buffered = _e.sent();
return [2 /*return*/, { content: content, segment: segment, buffered: buffered }];
}
});
});
}