sdl_mixer: try to open from common path

Copy sounfont to known path for macOS and Windows CI builds (in Linux,
this is already handled with a environment var SDL_SOUNDFONTS). And also
use that location if there is any soundfont.

.github/scripts/Linux/prepare.sh

@@ -51,8 +51,9 @@ sudo apt install libva-dev libdrm-dev libx11-dev libx11-xcb-dev libxcb-present-d
 
 sudo apt install qtbase5-dev
 
-sf=TimGM6mb_but_fixed__piano_.sf2 # https://musical-artifacts.com/artifacts/2642
-curl http://frakira.fi.muni.cz/~xpulec/$sf -o "$HOME/$sf"
+. "$GITHUB_WORKSPACE/.github/scripts/defs.sh"
+sf=$(basename "$DEFAULT_SF_URL")
+curl -L "$DEFAULT_SF_URL" -o "$HOME/$sf"
 printf '%b' "SDL_SOUNDFONTS=$HOME/$sf\n" >> "$GITHUB_ENV"
 
 # Install cross-platform deps

.github/scripts/Windows/prepare_msys.sh

@@ -100,6 +100,13 @@ build_cineform() {
         )
 }
 
+install_soundfont() {
+        . "$GITHUB_WORKSPACE/.github/scripts/defs.sh"
+        sf_dir="$GITHUB_WORKSPACE/data/Windows/share/soundfonts"
+        mkdir -p "$sf_dir"
+        curl -L "$DEFAULT_SF_URL" -o "$sf_dir/default.sf2"
+}
+
 # Install cross-platform deps
 "$GITHUB_WORKSPACE/.github/scripts/install-common-deps.sh"
 
@@ -111,4 +118,5 @@ build_cineform() {
 
 build_cineform
 install_aja
+install_soundfont
 

.github/scripts/defs.sh

@@ -0,0 +1 @@
+DEFAULT_SF_URL=http://frakira.fi.muni.cz/~xpulec/TimGM6mb_but_fixed__piano_.sf2 # https://musical-artifacts.com/artifacts/2642

.github/scripts/macOS/prepare.sh

@@ -103,6 +103,13 @@ install_live555() {
         cd ..
 }
 
+install_soundfont() {
+        . "$GITHUB_WORKSPACE/.github/scripts/defs.sh"
+        sf_dir="$GITHUB_WORKSPACE/data/MacOS-bundle-template/Contents/share/soundfonts"
+        mkdir -p "$sf_dir"
+        curl -L "$DEFAULT_SF_URL" -o "$sf_dir/default.sf2"
+}
+
 install_syphon() {
         wget --no-verbose https://github.com/Syphon/Syphon-Framework/releases/download/5/Syphon.SDK.5.zip
         unzip Syphon.SDK.5.zip
@@ -117,6 +124,7 @@ install_deltacast
 install_glfw
 install_live555
 install_ndi
+install_soundfont
 install_syphon
 install_ximea
 

.github/workflows/ccpp.yml

@@ -311,7 +311,7 @@ jobs:
           make install
           for exe in "$DESTDIR"/*exe; do data/scripts/get_dll_depends.sh "$exe" | while read -r n; do cp "$n" "$DESTDIR"; done; done
           if command -v windeployqt-qt6 >/dev/null; then windeployqt-qt6 "$DESTDIR/uv-qt.exe"; else windeployqt "$DESTDIR/uv-qt.exe"; fi
-          cp data/update.ps1 "$DESTDIR"
+          cp -r data/Windows/* "$DESTDIR"
     - name: make dist-check
       run: PATH= /usr/bin/make distcheck TARGET=build/UltraGrid-$VERSION-win64/uv.exe REFLECTOR_TARGET=build/UltraGrid-$VERSION-win64/hd-rum-transcode.exe GUI_EXE=build/UltraGrid-$VERSION-win64/uv-qt.exe
     - name: Upload Release Asset

src/audio/capture/sdl_mixer.c

@@ -143,6 +143,24 @@ static const char *load_song1() {
         return filename;
 }
 
+static void try_open_soundfont() {
+        if (getenv("SDL_SOUNDFONT") != NULL) {
+                return;
+        }
+        const char *root = get_install_root();
+        const char *suffix = "/share/soundfonts/default.sf2";
+        const size_t len = strlen(root) + strlen(suffix) + 1;
+        char path[len];
+        strncpy(path, root, len - 1);
+        strncat(path, suffix, len - strlen(path) - 1);
+        FILE *f = fopen(path, "r");
+        if (!f) {
+                return;
+        }
+        fclose(f);
+        Mix_SetSoundFonts(path);
+}
+
 static void * audio_cap_sdl_mixer_init(struct module *parent, const char *cfg)
 {
         UNUSED(parent);
@@ -182,6 +200,7 @@ static void * audio_cap_sdl_mixer_init(struct module *parent, const char *cfg)
                         goto error;
                 }
         }
+        try_open_soundfont();
         Mix_Music *music = Mix_LoadMUS(filename);
         if (filename != s->req_filename) {
                 unlink(filename);