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| author | Leo Famulari <leo@famulari.name> | 2020-11-05 15:01:46 -0500 |
|---|---|---|
| committer | Leo Famulari <leo@famulari.name> | 2020-12-15 22:07:09 -0500 |
| commit | c7ed031d0c5510437db48237ee41a2f95c29bae8 (patch) | |
| tree | b1b833e9314625e091b5aac0f07cd9f40ebf69ed | |
| parent | 9bbb4fa1452448c11fb736937eb0ae914f63cba9 (diff) | |
gnu: Add libcaption.
* gnu/packages/video.scm (libcaption): New variable.
| -rw-r--r-- | gnu/packages/video.scm | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm index 7a04df4d85..91c06ce3f2 100644 --- a/gnu/packages/video.scm +++ b/gnu/packages/video.scm @@ -154,6 +154,7 @@ #:use-module (gnu packages python-xyz) #:use-module (gnu packages qt) #:use-module (gnu packages rdesktop) + #:use-module (gnu packages re2c) #:use-module (gnu packages ruby) #:use-module (gnu packages rust-apps) #:use-module (gnu packages samba) @@ -4926,3 +4927,40 @@ BBC iPlayer output.") includes @code{dvdxchap} tool for extracting chapter information from DVD.") (license license:gpl2) (home-page "https://www.bunkus.org/videotools/ogmtools/"))) + +(define-public libcaption + (package + (name "libcaption") + (version "0.7") + (source (origin + (method git-fetch) + (uri (git-reference + (url "https://github.com/szatmary/libcaption") + (commit version))) + (file-name (git-file-name name version)) + (sha256 + (base32 + "16mhw8wpl7wdjj4n7rd1c294p1r8r322plj7z91crla5aah726rq")))) + (build-system cmake-build-system) + (arguments + `(#:tests? #f ; Cannot figure out how to run the unit tests + #:configure-flags '("-DENABLE_RE2C=ON"))) + (native-inputs + `(("re2c" ,re2c))) + (synopsis "CEA608 / CEA708 closed-caption codec") + (description "Libcaption creates and parses closed-caption data, +providing an encoder / decoder for the EIA608 and CEA708 closed-caption +standards. + +608 support is currently limited to encoding and decoding the necessary control +and preamble codes as well as support for the Basic North American, Special +North American and Extended Western European character sets. + +708 support is limited to encoding the 608 data in NTSC field 1 user data type +structure. + +In addition, utility functions to create h.264 SEI (Supplementary enhancement +information) NALUs (Network Abstraction Layer Unit) for inclusion into an h.264 +elementary stream are provided.") + (home-page "https://github.com/szatmary/libcaption") + (license license:expat))) |