mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-25 17:45:03 +03:00
Jacob Trimble
398bf66edd
Now only error logs will be displayed, except when they are expected. This also allows the logging in the tests to be changed easily in one place (spec/util.js). Change-Id: Ib7dd093ebfd2f7004392b775c7bce48dc43ec6fc
258 lines
9.8 KiB
JavaScript
258 lines
9.8 KiB
JavaScript
/**
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* @license
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* Copyright 2015 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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goog.require('shaka.util.Error');
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goog.require('shaka.util.Pssh');
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goog.require('shaka.util.Uint8ArrayUtils');
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describe('Pssh', function() {
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var fromHex = shaka.util.Uint8ArrayUtils.fromHex;
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var toHex = shaka.util.Uint8ArrayUtils.toHex;
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const WIDEVINE_SYSTEM_ID = 'edef8ba979d64acea3c827dcd51d21ed';
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const PLAYREADY_SYSTEM_ID = '9a04f07998404286ab92e65be0885f95';
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const GENERIC_SYSTEM_ID = '1077efecc0b24d02ace33c1e52e2fb4b';
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const WIDEVINE_PSSH =
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'00000028' + // atom size
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'70737368' + // atom type='pssh'
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'00000000' + // v0, flags=0
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'edef8ba979d64acea3c827dcd51d21ed' + // system id (Widevine)
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'00000008' + // data size
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'0102030405060708'; // data
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const PLAYREADY_PSSH =
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'00000028' + // atom size
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'70737368' + // atom type 'pssh'
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'00000000' + // v0, flags=0
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'9a04f07998404286ab92e65be0885f95' + // system id (PlayReady)
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'00000008' + // data size
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'0102030405060708'; // data
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const GENERIC_PSSH =
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'00000044' + // atom size
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'70737368' + // atom type 'pssh'
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'01000000' + // v1, flags=0
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'1077efecc0b24d02ace33c1e52e2fb4b' + // system id (generic CENC)
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'00000002' + // key ID count
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'30313233343536373839303132333435' + // key ID='0123456789012345'
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'38393031323334354142434445464748' + // key ID='ABCDEFGHIJKLMNOP'
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'00000000'; // data size=0
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const ZERO_SIZED_GENERIC_PSSH =
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'00000000' + // atom size (whole buffer)
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'70737368' + // atom type='pssh'
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'01000000' + // v1, flags=0
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'1077efecc0b24d02ace33c1e52e2fb4b' + // system id (generic CENC)
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'00000002' + // key ID count
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'30313233343536373839303132333435' + // key ID='0123456789012345'
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'38393031323334354142434445464748' + // key ID='ABCDEFGHIJKLMNOP'
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'00000000'; // data size=0
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const OTHER_BOX =
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'00000018' + // atom size
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'77686174' + // atom type 'what'
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'deadbeefdeadbeefdeadbeefdeadbeef'; // garbage box data
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const TRUNCATED_WIDEVINE_PSSH =
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WIDEVINE_PSSH.substr(0, WIDEVINE_PSSH.length - 6);
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const TRUNCATED_PLAYREADY_PSSH =
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PLAYREADY_PSSH.substr(0, PLAYREADY_PSSH.length - 6);
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const TRUNCATED_GENERIC_PSSH =
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GENERIC_PSSH.substr(0, GENERIC_PSSH.length - 6);
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it('parses a Widevine PSSH', function() {
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var pssh = new shaka.util.Pssh(fromHex(WIDEVINE_PSSH));
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expect(pssh.systemIds.length).toBe(1);
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expect(pssh.systemIds[0]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(0);
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});
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it('parses a PlayReady PSSH', function() {
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var pssh = new shaka.util.Pssh(fromHex(PLAYREADY_PSSH));
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expect(pssh.systemIds.length).toBe(1);
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expect(pssh.systemIds[0]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(0);
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});
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it('parses a generic CENC PSSH', function() {
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var pssh = new shaka.util.Pssh(fromHex(GENERIC_PSSH));
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expect(pssh.systemIds.length).toBe(1);
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expect(pssh.systemIds[0]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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});
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it('throws on a truncated PSSH', function() {
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var psshs = [
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fromHex(TRUNCATED_WIDEVINE_PSSH),
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fromHex(TRUNCATED_PLAYREADY_PSSH),
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fromHex(TRUNCATED_GENERIC_PSSH),
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fromHex(WIDEVINE_PSSH + TRUNCATED_PLAYREADY_PSSH),
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fromHex(WIDEVINE_PSSH + TRUNCATED_GENERIC_PSSH),
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fromHex(PLAYREADY_PSSH + TRUNCATED_WIDEVINE_PSSH),
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fromHex(PLAYREADY_PSSH + TRUNCATED_GENERIC_PSSH),
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fromHex(GENERIC_PSSH + TRUNCATED_WIDEVINE_PSSH),
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fromHex(GENERIC_PSSH + TRUNCATED_PLAYREADY_PSSH)
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];
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for (var i = 0; i < psshs.length; ++i) {
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try {
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new shaka.util.Pssh(psshs[i]);
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fail();
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} catch (error) {
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expect(error instanceof shaka.util.Error).toBe(true);
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expect(error.code).toBe(
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shaka.util.Error.Code.BUFFER_READ_OUT_OF_BOUNDS);
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}
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}
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});
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it('parses concatenated PSSHs in any order', function() {
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var pssh = new shaka.util.Pssh(fromHex(
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WIDEVINE_PSSH + PLAYREADY_PSSH));
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expect(pssh.systemIds.length).toBe(2);
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expect(pssh.systemIds[0]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(0);
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pssh = new shaka.util.Pssh(fromHex(
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PLAYREADY_PSSH + WIDEVINE_PSSH));
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expect(pssh.systemIds[0]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(0);
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pssh = new shaka.util.Pssh(fromHex(
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WIDEVINE_PSSH + GENERIC_PSSH));
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expect(pssh.systemIds[0]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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pssh = new shaka.util.Pssh(fromHex(
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GENERIC_PSSH + WIDEVINE_PSSH));
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expect(pssh.systemIds[0]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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pssh = new shaka.util.Pssh(fromHex(
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WIDEVINE_PSSH + PLAYREADY_PSSH + GENERIC_PSSH));
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expect(pssh.systemIds[0]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.systemIds[2]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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pssh = new shaka.util.Pssh(fromHex(
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PLAYREADY_PSSH + WIDEVINE_PSSH + GENERIC_PSSH));
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expect(pssh.systemIds[0]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.systemIds[2]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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pssh = new shaka.util.Pssh(fromHex(
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WIDEVINE_PSSH + GENERIC_PSSH + PLAYREADY_PSSH));
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expect(pssh.systemIds[0]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.systemIds[2]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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pssh = new shaka.util.Pssh(fromHex(
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PLAYREADY_PSSH + GENERIC_PSSH + WIDEVINE_PSSH));
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expect(pssh.systemIds[0]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.systemIds[2]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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pssh = new shaka.util.Pssh(fromHex(
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GENERIC_PSSH + WIDEVINE_PSSH + PLAYREADY_PSSH));
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expect(pssh.systemIds[0]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.systemIds[2]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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pssh = new shaka.util.Pssh(fromHex(
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GENERIC_PSSH + PLAYREADY_PSSH + WIDEVINE_PSSH));
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expect(pssh.systemIds[0]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.systemIds[2]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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});
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it('ignores non-PSSH boxes and continues parsing', function() {
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var pssh = new shaka.util.Pssh(fromHex(
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OTHER_BOX + WIDEVINE_PSSH));
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expect(pssh.systemIds.length).toBe(1);
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expect(pssh.systemIds[0]).toBe(WIDEVINE_SYSTEM_ID);
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pssh = new shaka.util.Pssh(fromHex(
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WIDEVINE_PSSH + OTHER_BOX));
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expect(pssh.systemIds.length).toBe(1);
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expect(pssh.systemIds[0]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(0);
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pssh = new shaka.util.Pssh(fromHex(
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PLAYREADY_PSSH + OTHER_BOX + WIDEVINE_PSSH));
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expect(pssh.systemIds.length).toBe(2);
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expect(pssh.systemIds[0]).toBe(PLAYREADY_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(0);
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});
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it('parses a zero-sized PSSH box', function() {
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var pssh = new shaka.util.Pssh(fromHex(ZERO_SIZED_GENERIC_PSSH));
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expect(pssh.systemIds.length).toBe(1);
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expect(pssh.systemIds[0]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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pssh = new shaka.util.Pssh(fromHex(
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WIDEVINE_PSSH + ZERO_SIZED_GENERIC_PSSH));
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expect(pssh.systemIds.length).toBe(2);
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expect(pssh.systemIds[0]).toBe(WIDEVINE_SYSTEM_ID);
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expect(pssh.systemIds[1]).toBe(GENERIC_SYSTEM_ID);
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expect(pssh.cencKeyIds.length).toBe(2);
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});
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it('extracts boundaries for concatenated boxes', function() {
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var psshData = fromHex(
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GENERIC_PSSH +
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WIDEVINE_PSSH +
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OTHER_BOX +
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PLAYREADY_PSSH);
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var pssh = new shaka.util.Pssh(psshData);
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expect(pssh.dataBoundaries.length).toBe(3);
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var data1 = psshData.subarray(
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pssh.dataBoundaries[0].start,
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pssh.dataBoundaries[0].end + 1);
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var data2 = psshData.subarray(
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pssh.dataBoundaries[1].start,
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pssh.dataBoundaries[1].end + 1);
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var data3 = psshData.subarray(
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pssh.dataBoundaries[2].start,
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pssh.dataBoundaries[2].end + 1);
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expect(toHex(data1)).toEqual(GENERIC_PSSH);
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expect(toHex(data2)).toEqual(WIDEVINE_PSSH);
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expect(toHex(data3)).toEqual(PLAYREADY_PSSH);
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});
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});
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