commit cfe53d45307ceb8e8d49b2d1a0ed1c6396c20340
parent 2e101735bcb571463fd083fff12c7c8b294422aa
Author: Oliver Lowe <o@olowe.co>
Date: Sat, 1 Jun 2024 17:27:40 +1000
scte35: Finally remove last of Comcast's code
Now we can remove all the extra license files and notices. Big thanks
to @blckfalcon!
Diffstat:
6 files changed, 38 insertions(+), 297 deletions(-)
diff --git a/scte35/LICENSE b/scte35/LICENSE
@@ -1,201 +0,0 @@
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- you may not use this file except in compliance with the License.
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- Unless required by applicable law or agreed to in writing, software
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diff --git a/scte35/LICENSE.ISC b/scte35/LICENSE.ISC
@@ -1,13 +0,0 @@
-Copyright 2024 The Untangled Authors <o@olowe.co>
-
-Permission to use, copy, modify, and distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
diff --git a/scte35/NOTICE.md b/scte35/NOTICE.md
@@ -1,23 +0,0 @@
-SCTE-35
-
-Copyright 2021 Comcast Cable Communications Management, LLC
-
-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
-
-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.
-
-SPDX-License-Identifier: Apache-2.0
-
-This product includes software developed at Comcast (http://www.comcast.com/).
diff --git a/scte35/README.md b/scte35/README.md
@@ -1,10 +0,0 @@
-# License
-
-Unless otherwise noted, this software is
-by The Untangled Authors is licensed under the ISC License.
-See LICENSE.ISC.
-
-The file crc_32.go is
-Copyright 2021 Comcast Cable Communications Management, LLC
-licensed under the Apache License, Version 2.0.
-See NOTICE.md and LICENSE.
diff --git a/scte35/crc32.go b/scte35/crc32.go
@@ -0,0 +1,38 @@
+package scte35
+
+var crctab = makeCRC32Table(crc32PolyNormal)
+
+// The reverse of crc32.IEEE, from
+// https://en.wikipedia.org/wiki/Cyclic_redundancy_check#Polynomial_representations
+const crc32PolyNormal = 0x04C11DB7
+
+// From Go's package compress/bzip2.
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in
+// https://cs.opensource.google/go/go/+/master:LICENSE;bpv=0
+
+// makeCRC32Table generates CRC32/BZIP2 table using poly.
+func makeCRC32Table(poly uint32) [256]uint32 {
+ var tab [256]uint32
+ for i := range tab {
+ crc := uint32(i) << 24
+ for j := 0; j < 8; j++ {
+ if crc&0x80000000 != 0 {
+ crc = (crc << 1) ^ poly
+ } else {
+ crc = crc << 1
+ }
+ }
+ tab[i] = crc
+ }
+ return tab
+}
+
+func updateCRC(val uint32, b []byte) uint32 {
+ crc := ^val
+ for _, v := range b {
+ crc = crctab[byte(crc>>24)^v] ^ (crc << 8)
+ }
+ return ^crc
+}
diff --git a/scte35/crc_32.go b/scte35/crc_32.go
@@ -1,50 +0,0 @@
-// Copyright 2021 Comcast Cable Communications Management, LLC
-//
-// 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.
-//
-// SPDX-License-Identifier: Apache-2.0
-
-package scte35
-
-import "hash/crc32"
-
-var crctab = makeCRC32Table(crc32PolyNormal)
-
-// The reverse of crc32.IEEE, from
-// https://en.wikipedia.org/wiki/Cyclic_redundancy_check#Polynomial_representations
-const crc32PolyNormal = 0x04C11DB7
-
-// makeCRC32Table generates CRC32/BZIP2 table using poly.
-func makeCRC32Table(poly uint32) crc32.Table {
- var tab crc32.Table
- for i := range tab {
- crc := uint32(i) << 24
- for j := 0; j < 8; j++ {
- if crc&0x80000000 != 0 {
- crc = (crc << 1) ^ poly
- } else {
- crc = crc << 1
- }
- }
- tab[i] = crc
- }
- return tab
-}
-
-func updateCRC(val uint32, b []byte) uint32 {
- crc := ^val
- for _, v := range b {
- crc = crctab[byte(crc>>24)^v] ^ (crc << 8)
- }
- return ^crc
-}
