Re-license LGPL-2.1 plugins to MPL-2

Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/168

34 files changed, 146 insertions, 379 deletions

diff --git a/video/closedcaption/src/caption_frame.rs b/video/closedcaption/src/caption_frame.rs
index 724757500..dda738cc7 100644
--- a/video/closedcaption/src/caption_frame.rs
+++ b/video/closedcaption/src/caption_frame.rs
@@ -1,10 +1,10 @@
 // Copyright (C) 2020 Sebastian Dröge <sebastian@centricular.com>
 //
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
+//
+// SPDX-License-Identifier: MPL-2.0
 
 use super::ffi;
 use std::mem;
diff --git a/video/closedcaption/src/ccdetect/imp.rs b/video/closedcaption/src/ccdetect/imp.rs
index cd85cde84..9d3a3075b 100644
--- a/video/closedcaption/src/ccdetect/imp.rs
+++ b/video/closedcaption/src/ccdetect/imp.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Matthew Waters <matthew@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/ccdetect/mod.rs b/video/closedcaption/src/ccdetect/mod.rs
index 4f1a83114..0aa65d0dc 100644
--- a/video/closedcaption/src/ccdetect/mod.rs
+++ b/video/closedcaption/src/ccdetect/mod.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Matthew Waters <matthew@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/ccutils.rs b/video/closedcaption/src/ccutils.rs
index 8d7fdadfd..5be0ed173 100644
--- a/video/closedcaption/src/ccutils.rs
+++ b/video/closedcaption/src/ccutils.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Matthew Waters <matthew@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use byteorder::{BigEndian, ByteOrder};
 use std::fmt;
diff --git a/video/closedcaption/src/cea608overlay/imp.rs b/video/closedcaption/src/cea608overlay/imp.rs
index 66065664d..4e859b1e8 100644
--- a/video/closedcaption/src/cea608overlay/imp.rs
+++ b/video/closedcaption/src/cea608overlay/imp.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/cea608overlay/mod.rs b/video/closedcaption/src/cea608overlay/mod.rs
index 61c4ee23b..bdc62cac2 100644
--- a/video/closedcaption/src/cea608overlay/mod.rs
+++ b/video/closedcaption/src/cea608overlay/mod.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 // Example command-line:
 //
diff --git a/video/closedcaption/src/cea608tojson/imp.rs b/video/closedcaption/src/cea608tojson/imp.rs
index 8f11a61d0..c498691ab 100644
--- a/video/closedcaption/src/cea608tojson/imp.rs
+++ b/video/closedcaption/src/cea608tojson/imp.rs
@@ -1,10 +1,10 @@
 // Copyright (C) 2021 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
+//
+// SPDX-License-Identifier: MPL-2.0
 
 // TODO:
 //
diff --git a/video/closedcaption/src/cea608tojson/mod.rs b/video/closedcaption/src/cea608tojson/mod.rs
index 42bbef79f..02ffc7684 100644
--- a/video/closedcaption/src/cea608tojson/mod.rs
+++ b/video/closedcaption/src/cea608tojson/mod.rs
@@ -1,10 +1,10 @@
 // Copyright (C) 2021 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
+//
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/cea608tott/imp.rs b/video/closedcaption/src/cea608tott/imp.rs
index 120ab7599..85d003ccd 100644
--- a/video/closedcaption/src/cea608tott/imp.rs
+++ b/video/closedcaption/src/cea608tott/imp.rs
@@ -1,10 +1,10 @@
 // Copyright (C) 2020 Sebastian Dröge <sebastian@centricular.com>
 //
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
+//
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/cea608tott/mod.rs b/video/closedcaption/src/cea608tott/mod.rs
index dadcf01ab..86f8b69d7 100644
--- a/video/closedcaption/src/cea608tott/mod.rs
+++ b/video/closedcaption/src/cea608tott/mod.rs
@@ -1,10 +1,10 @@
 // Copyright (C) 2020 Sebastian Dröge <sebastian@centricular.com>
 //
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
+//
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/jsontovtt/fku.rs b/video/closedcaption/src/jsontovtt/fku.rs
index 854e0cc6c..09b9b02db 100644
--- a/video/closedcaption/src/jsontovtt/fku.rs
+++ b/video/closedcaption/src/jsontovtt/fku.rs
@@ -1,10 +1,10 @@
 // Copyright (C) 2021 Jan Schmidt <jan@centricular.com>
 //
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
+//
+// SPDX-License-Identifier: MPL-2.0
 
 use std::cmp::Ordering;
 
diff --git a/video/closedcaption/src/jsontovtt/imp.rs b/video/closedcaption/src/jsontovtt/imp.rs
index 21eadfeeb..554898800 100644
--- a/video/closedcaption/src/jsontovtt/imp.rs
+++ b/video/closedcaption/src/jsontovtt/imp.rs
@@ -1,11 +1,11 @@
 // Copyright (C) 2021 Mathieu Duponchelle <mathieu@centricular.com>
 // Copyright (C) 2021 Jan Schmidt <jan@centricular.com>
 //
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
+//
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/jsontovtt/mod.rs b/video/closedcaption/src/jsontovtt/mod.rs
index 6a673dc47..8e57133f8 100644
--- a/video/closedcaption/src/jsontovtt/mod.rs
+++ b/video/closedcaption/src/jsontovtt/mod.rs
@@ -1,10 +1,10 @@
 // Copyright (C) 2021 Jan Schmidt <jan@centricular.com>
 //
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
+//
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/lib.rs b/video/closedcaption/src/lib.rs
index a15c2f46e..8bae593d5 100644
--- a/video/closedcaption/src/lib.rs
+++ b/video/closedcaption/src/lib.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 #![allow(clippy::non_send_fields_in_send_ty)]
 #![recursion_limit = "128"]
 
@@ -63,7 +54,8 @@ gst::plugin_define!(
     env!("CARGO_PKG_DESCRIPTION"),
     plugin_init,
     concat!(env!("CARGO_PKG_VERSION"), "-", env!("COMMIT_ID")),
-    "LGPL",
+    // FIXME: MPL-2.0 is only allowed since 1.18.3 (as unknown) and 1.20 (as known)
+    "MPL",
     env!("CARGO_PKG_NAME"),
     env!("CARGO_PKG_NAME"),
     env!("CARGO_PKG_REPOSITORY"),
diff --git a/video/closedcaption/src/line_reader.rs b/video/closedcaption/src/line_reader.rs
index 1d64d128f..4f9ceef0f 100644
--- a/video/closedcaption/src/line_reader.rs
+++ b/video/closedcaption/src/line_reader.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use std::collections::VecDeque;
 
diff --git a/video/closedcaption/src/mcc_enc/headers.rs b/video/closedcaption/src/mcc_enc/headers.rs
index 6995c99c3..63faf141b 100644
--- a/video/closedcaption/src/mcc_enc/headers.rs
+++ b/video/closedcaption/src/mcc_enc/headers.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 pub const PREAMBLE_V1: &[u8] = b"File Format=MacCaption_MCC V1.0\r\n\
 \r\n\
diff --git a/video/closedcaption/src/mcc_enc/imp.rs b/video/closedcaption/src/mcc_enc/imp.rs
index eccf7183d..5bce00598 100644
--- a/video/closedcaption/src/mcc_enc/imp.rs
+++ b/video/closedcaption/src/mcc_enc/imp.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/mcc_enc/mod.rs b/video/closedcaption/src/mcc_enc/mod.rs
index 2d9a9ac43..978bed90e 100644
--- a/video/closedcaption/src/mcc_enc/mod.rs
+++ b/video/closedcaption/src/mcc_enc/mod.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/mcc_parse/imp.rs b/video/closedcaption/src/mcc_parse/imp.rs
index fc479a0dc..b48221c19 100644
--- a/video/closedcaption/src/mcc_parse/imp.rs
+++ b/video/closedcaption/src/mcc_parse/imp.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/mcc_parse/mod.rs b/video/closedcaption/src/mcc_parse/mod.rs
index b4ef031dd..15b9b4cf6 100644
--- a/video/closedcaption/src/mcc_parse/mod.rs
+++ b/video/closedcaption/src/mcc_parse/mod.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/mcc_parse/parser.rs b/video/closedcaption/src/mcc_parse/parser.rs
index d52bd2f44..0d818e1ed 100644
--- a/video/closedcaption/src/mcc_parse/parser.rs
+++ b/video/closedcaption/src/mcc_parse/parser.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2018,2020 Sebastian Dröge <sebastian@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use either::Either;
 
diff --git a/video/closedcaption/src/parser_utils.rs b/video/closedcaption/src/parser_utils.rs
index cdfcc8052..26a2853b5 100644
--- a/video/closedcaption/src/parser_utils.rs
+++ b/video/closedcaption/src/parser_utils.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Sebastian Dröge <sebastian@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use nom::IResult;
 
diff --git a/video/closedcaption/src/scc_enc/imp.rs b/video/closedcaption/src/scc_enc/imp.rs
index 5a7ac6277..60598d701 100644
--- a/video/closedcaption/src/scc_enc/imp.rs
+++ b/video/closedcaption/src/scc_enc/imp.rs
@@ -1,20 +1,11 @@
 // Copyright (C) 2019 Sebastian Dröge <sebastian@centricular.com>
 // Copyright (C) 2019 Jordan Petridis <jordan@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/scc_enc/mod.rs b/video/closedcaption/src/scc_enc/mod.rs
index e157456be..44527fc70 100644
--- a/video/closedcaption/src/scc_enc/mod.rs
+++ b/video/closedcaption/src/scc_enc/mod.rs
@@ -1,20 +1,11 @@
 // Copyright (C) 2019 Sebastian Dröge <sebastian@centricular.com>
 // Copyright (C) 2019 Jordan Petridis <jordan@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/scc_parse/imp.rs b/video/closedcaption/src/scc_parse/imp.rs
index 6eef93724..b4ac750c7 100644
--- a/video/closedcaption/src/scc_parse/imp.rs
+++ b/video/closedcaption/src/scc_parse/imp.rs
@@ -1,20 +1,11 @@
 // Copyright (C) 2019 Sebastian Dröge <sebastian@centricular.com>
 // Copyright (C) 2019 Jordan Petridis <jordan@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/scc_parse/mod.rs b/video/closedcaption/src/scc_parse/mod.rs
index 2a74e294d..6d6714ff5 100644
--- a/video/closedcaption/src/scc_parse/mod.rs
+++ b/video/closedcaption/src/scc_parse/mod.rs
@@ -1,20 +1,11 @@
 // Copyright (C) 2019 Sebastian Dröge <sebastian@centricular.com>
 // Copyright (C) 2019 Jordan Petridis <jordan@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/scc_parse/parser.rs b/video/closedcaption/src/scc_parse/parser.rs
index 903ee9bda..603112d79 100644
--- a/video/closedcaption/src/scc_parse/parser.rs
+++ b/video/closedcaption/src/scc_parse/parser.rs
@@ -1,20 +1,11 @@
 // Copyright (C) 2019,2020 Sebastian Dröge <sebastian@centricular.com>
 // Copyright (C) 2019 Jordan Petridis <jordan@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use crate::parser_utils::{end_of_line, timecode, TimeCode};
 use nom::IResult;
diff --git a/video/closedcaption/src/transcriberbin/imp.rs b/video/closedcaption/src/transcriberbin/imp.rs
index aa084acca..62e6dad9f 100644
--- a/video/closedcaption/src/transcriberbin/imp.rs
+++ b/video/closedcaption/src/transcriberbin/imp.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2021 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use crate::ttutils::Cea608Mode;
 use anyhow::Error;
diff --git a/video/closedcaption/src/transcriberbin/mod.rs b/video/closedcaption/src/transcriberbin/mod.rs
index 56e74d53a..8c7d194c0 100644
--- a/video/closedcaption/src/transcriberbin/mod.rs
+++ b/video/closedcaption/src/transcriberbin/mod.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2021 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/tttocea608/imp.rs b/video/closedcaption/src/tttocea608/imp.rs
index f058f419c..442785c79 100644
--- a/video/closedcaption/src/tttocea608/imp.rs
+++ b/video/closedcaption/src/tttocea608/imp.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/tttocea608/mod.rs b/video/closedcaption/src/tttocea608/mod.rs
index 165490587..24279b01d 100644
--- a/video/closedcaption/src/tttocea608/mod.rs
+++ b/video/closedcaption/src/tttocea608/mod.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/tttojson/imp.rs b/video/closedcaption/src/tttojson/imp.rs
index 616ac2aba..58f50a64a 100644
--- a/video/closedcaption/src/tttojson/imp.rs
+++ b/video/closedcaption/src/tttojson/imp.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::gst_log;
diff --git a/video/closedcaption/src/tttojson/mod.rs b/video/closedcaption/src/tttojson/mod.rs
index b79be3c81..60a2df9dc 100644
--- a/video/closedcaption/src/tttojson/mod.rs
+++ b/video/closedcaption/src/tttojson/mod.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2020 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use gst::prelude::*;
diff --git a/video/closedcaption/src/ttutils.rs b/video/closedcaption/src/ttutils.rs
index 5223f282d..1c8d729ad 100644
--- a/video/closedcaption/src/ttutils.rs
+++ b/video/closedcaption/src/ttutils.rs
@@ -1,19 +1,10 @@
 // Copyright (C) 2021 Mathieu Duponchelle <mathieu@centricular.com>
 //
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
+// This Source Code Form is subject to the terms of the Mozilla Public License, v2.0.
+// If a copy of the MPL was not distributed with this file, You can obtain one at
+// <https://mozilla.org/MPL/2.0/>.
 //
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the
-// Free Software Foundation, Inc., 51 Franklin Street, Suite 500,
-// Boston, MA 02110-1335, USA.
+// SPDX-License-Identifier: MPL-2.0
 
 use gst::glib;
 use serde::{Deserialize, Serialize};