Fix GitHub rate limiting requests for downloading XLA prebuilt binaries

.github/workflows/ci.yml

@@ -77,6 +77,11 @@ jobs:
     name: test-macos-x86-64 / macos-13 / OTP latest / Elixir latest
     env:
       MIX_ENV: test
+      # MacOS runners seem to have static IP addresses
+      # which results in GitHub rate limiting our requests
+      # for downloading prebuilt XLA binaries.
+      # Adding token seems to help.
+      XLA_HTTP_HEADERS: "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"
     steps:
       - uses: actions/checkout@v2
       - run: brew install ffmpeg elixir
@@ -88,6 +93,7 @@ jobs:
     name: test-macos-arm / macos-14 / OTP latest / Elixir latest
     env:
       MIX_ENV: test
+      XLA_HTTP_HEADERS: "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}"
     steps:
       - uses: actions/checkout@v2
       - run: brew install ffmpeg elixir

c_src/xav/reader.c

@@ -249,6 +249,8 @@ static int init_converter(struct Reader *reader) {
     // Let's check againts it and take default channel order for the given channels number.
     // This is also what newer FFmpeg versions do under the hood when passing
     // unspecified channel order.
+    XAV_LOG_DEBUG("Channel layout unset. Setting to default for channels number: %d",
+                  reader->frame->channels);
     in_chlayout.layout = av_get_default_channel_layout(reader->frame->channels);
   } else if (reader->frame->channel_layout == 0) {
     XAV_LOG_DEBUG("Both channel layout and channels are unset. Cannot init converter.");