add opus codec

projects/opus-codec.org/package.yml

@@ -0,0 +1,61 @@
+distributable:
+   url: https://github.com/xiph/opus/archive/refs/tags/v{{ version }}.tar.gz
+   strip-components: 1
+
+# if there’s a github then we can parse the versions
+versions:
+  github: xiph/opus/tags  # reads github tags from github
+  strip: /^v/
+
+build:
+  dependencies:
+    tea.xyz/gx/cc: c99
+    tea.xyz/gx/make: '*'
+    gnu.org/autoconf: 2
+    gnu.org/automake: 1.16
+    gnu.org/libtool: 2.4
+  script: |
+    ./autogen.sh
+    ./configure $ARGS
+    make --jobs {{ hw.concurrency }} 
+    make install
+
+    mv {{ prefix}}/include/opus/* {{prefix}}/include
+    rmdir {{ prefix}}/include/opus
+    ln -s . {{ prefix }}/include/opus
+  # it’s extremely common for packages to require the above
+  env: 
+    ARGS:
+      - --prefix={{ prefix }}
+      - --disable-dependency-tracking
+      - --disable-doc
+
+test:
+  dependencies:
+    tea.xyz/gx/cc: c99
+  fixture: |
+    #include <opus.h>
+    int main(int argc, char **argv)
+    {
+      int err = 0;
+      opus_int32 rate = 48000;
+      int channels = 2;
+      int app = OPUS_APPLICATION_AUDIO;
+      OpusEncoder *enc;
+      int ret;
+      enc = opus_encoder_create(rate, channels, app, &err);
+      if (!(err < 0))
+      {
+        err = opus_encoder_ctl(enc, OPUS_SET_BITRATE(OPUS_AUTO));
+        if (!(err < 0))
+        {
+            opus_encoder_destroy(enc);
+            return 0;
+        }
+      }
+      return err;
+    }
+  script: | 
+    mv $FIXTURE fixture.cpp
+    cc fixture.cpp -lopus
+    ./a.out