rx-player
Version:
Canal+ HTML5 Video Player
55 lines (54 loc) • 1.85 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.getAudioCodecs = getAudioCodecs;
exports.getVideoCodecs = getVideoCodecs;
var is_non_empty_string_1 = require("../../../utils/is_non_empty_string");
/**
* @param {string} codecPrivateData
* @param {string|undefined} fourCC
* @returns {string}
*/
function getAudioCodecs(codecPrivateData, fourCC) {
var mpProfile;
if (fourCC === "AACH") {
mpProfile = 5; // High Efficiency AAC Profile
}
else {
mpProfile = (0, is_non_empty_string_1.default)(codecPrivateData)
? (parseInt(codecPrivateData.substring(0, 2), 16) & 0xf8) >> 3
: 2;
}
if (mpProfile === 0) {
// Return default audio codec
return "mp4a.40.2";
}
return "mp4a.40.".concat(mpProfile);
}
/**
* @param {string} codecPrivateData
* @returns {string}
*/
function getVideoCodecs(codecPrivateData) {
// we can extract codes only if fourCC is on of "H264", "X264", "DAVC", "AVC1"
var arr = /00000001\d7([0-9a-fA-F]{6})/.exec(codecPrivateData);
if (arr === null || !(0, is_non_empty_string_1.default)(arr[1])) {
// Return default video codec
return "avc1.4D401E";
}
return "avc1." + arr[1];
}