Picovoice · ErisMik · Apr 15, 2025 · Apr 15, 2025 · Apr 15, 2025
diff --git a/.github/workflows/c-demos.yml b/.github/workflows/c-demos.yml
@@ -48,14 +48,21 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
+        include:
+          - os: ubuntu-latest
+            pv_recorder_platform: "linux"
+          - os: windows-latest
+            pv_recorder_platform: "windows-amd64"
+          - os: macos-latest
+            pv_recorder_platform: "mac-arm64"
 
     steps:
     - uses: actions/checkout@v3
       with:
         submodules: recursive
 
     - name: Create build directory
-      run: cmake -B ./build
+      run: cmake -B ./build -DPV_RECORDER_PLATFORM="${{ matrix.pv_recorder_platform }}"
 
     - name: Build micdemo
       run: cmake --build ./build --target rhino_demo_mic
@@ -65,18 +72,33 @@ jobs:
 
     strategy:
       matrix:
-        machine: [rpi3-32, rpi3-64, rpi4-32, rpi4-64, rpi5-64]
-        make_file: ["Unix Makefiles"]
+        machine: [rpi3-32, rpi3-64, rpi4-32, rpi4-64, rpi5-64, pv-windows-arm64]
         include:
+          - machine: rpi3-32
+            make_file: "Unix Makefiles"
+            pv_recorder_platform: "raspberry-pi3"
+          - machine: rpi3-64
+            make_file: "Unix Makefiles"
+            pv_recorder_platform: "raspberry-pi3-64"
+          - machine: rpi4-32
+            make_file: "Unix Makefiles"
+            pv_recorder_platform: "raspberry-pi4"
+          - machine: rpi4-64
+            make_file: "Unix Makefiles"
+            pv_recorder_platform: "raspberry-pi4-64"
+          - machine: rpi5-64
+            make_file: "Unix Makefiles"
+            pv_recorder_platform: "raspberry-pi5-64"
           - machine: pv-windows-arm64
             make_file: "MinGW Makefiles"
+            pv_recorder_platform: "windows-arm64"
     steps:
     - uses: actions/checkout@v3
       with:
         submodules: recursive
 
     - name: Create build directory
-      run: cmake -G "${{ matrix.make_file }}" -B ./build
+      run: cmake -G "${{ matrix.make_file }}" -B ./build -DPV_RECORDER_PLATFORM="${{ matrix.pv_recorder_platform }}"
 
     - name: Build micdemo
       run: cmake --build ./build --target rhino_demo_mic
@@ -91,12 +113,15 @@ jobs:
         - os: ubuntu-latest
           platform: linux
           arch: x86_64
+          pv_recorder_platform: "linux"
         - os: windows-latest
           platform: windows
           arch: amd64
+          pv_recorder_platform: "windows-amd64"
         - os: macos-latest
           platform: mac
           arch: arm64
+          pv_recorder_platform: "mac-arm64"
 
     steps:
     - uses: actions/checkout@v3
@@ -109,7 +134,7 @@ jobs:
         python-version: '3.10'
 
     - name: Create build directory
-      run: cmake -B ./build
+      run: cmake -B ./build -DPV_RECORDER_PLATFORM="${{ matrix.pv_recorder_platform }}"
 
     - name: Build filedemo
       run: cmake --build ./build --target rhino_demo_file
@@ -125,36 +150,46 @@ jobs:
 
     strategy:
       matrix:
-        machine: [rpi3-32, rpi3-64, rpi4-32, rpi4-64, rpi5-64]
-        make_file: ["Unix Makefiles"]
+        machine: [rpi3-32, rpi3-64, rpi4-32, rpi4-64, rpi5-64, pv-windows-arm64]
         include:
         - machine: rpi3-32
           platform: raspberry-pi
           arch: cortex-a53
+          make_file: "Unix Makefiles"
+          pv_recorder_platform: "raspberry-pi3"
         - machine: rpi3-64
           platform: raspberry-pi
           arch: cortex-a53-aarch64
+          make_file: "Unix Makefiles"
+          pv_recorder_platform: "raspberry-pi3-64"
         - machine: rpi4-32
           platform: raspberry-pi
           arch: cortex-a72
+          make_file: "Unix Makefiles"
+          pv_recorder_platform: "raspberry-pi4"
         - machine: rpi4-64
           platform: raspberry-pi
           arch: cortex-a72-aarch64
+          make_file: "Unix Makefiles"
+          pv_recorder_platform: "raspberry-pi4-64"
         - machine: rpi5-64
           platform: raspberry-pi
           arch: cortex-a76-aarch64
+          make_file: "Unix Makefiles"
+          pv_recorder_platform: "raspberry-pi5-64"
         - machine: pv-windows-arm64
           platform: windows
           arch: arm64
           make_file: "MinGW Makefiles"
+          pv_recorder_platform: "windows-arm64"
 
     steps:
     - uses: actions/checkout@v3
       with:
         submodules: recursive
 
     - name: Create build directory
-      run: cmake -G "${{ matrix.make_file }}" -B ./build
+      run: cmake -G "${{ matrix.make_file }}" -B ./build -DPV_RECORDER_PLATFORM="${{ matrix.pv_recorder_platform }}"
 
     - name: Build filedemo
       run: cmake --build ./build --target rhino_demo_file

diff --git a/demo/c/CMakeLists.txt b/demo/c/CMakeLists.txt
@@ -3,7 +3,7 @@ project(rhino_demo_c)
 
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_BUILD_TYPE Release)
-add_subdirectory(pvrecorder)
+add_subdirectory(pvrecorder/project)
 
 set(COMMON_LIBS dl)
 set(MIC_LIBS pthread m)
@@ -14,7 +14,7 @@ add_executable(
         rhino_demo_mic
         rhino_demo_mic.c
         $<TARGET_OBJECTS:pv_recorder_object>)
-target_include_directories(rhino_demo_mic PRIVATE pvrecorder/include)
+target_include_directories(rhino_demo_mic PRIVATE pvrecorder/project/include)
 
 add_executable(
         rhino_demo_file

diff --git a/demo/c/README.md b/demo/c/README.md
@@ -5,6 +5,7 @@
 You need a C99-compatible compiler to build these demos.
 
 ## Requirements
+
 - The demo requires [CMake](https://cmake.org/) version 3.13 or higher.
 - **For Windows Only**: [MinGW](https://www.mingw-w64.org/) is required to build the demo.
 
@@ -17,15 +18,21 @@ Signup or Login to [Picovoice Console](https://console.picovoice.ai/) to get you
 ## Build Linux/MacOS
 
 ```console
-cmake -S demo/c/. -B demo/c/build && cmake --build demo/c/build --target rhino_demo_mic
+cmake -S demo/c/. -B demo/c/build -DPV_RECORDER_PLATFORM={PV_RECORDER_PLATFORM}
+cmake --build demo/c/build --target rhino_demo_mic
 ```
 
+The {PV_RECORDER_PLATFORM} variable will set the compilation flags for the given platform. Exclude this variable to get a list of possible values.
+
 ## Build Windows
 
 ```console
-cmake -S demo/c/. -B demo/c/build -G "MinGW Makefiles" && cmake --build demo/c/build --target rhino_demo_mic
+cmake -S demo/c/. -B demo/c/build -DPV_RECORDER_PLATFORM={PV_RECORDER_PLATFORM} -G "MinGW Makefiles"
+cmake --build demo/c/build --target rhino_demo_mic
 ```
 
+The {PV_RECORDER_PLATFORM} variable will set the compilation flags for the given platform. Exclude this variable to get a list of possible values.
+
 ## Run
 
 ### Usage
@@ -120,9 +127,12 @@ If understood correctly, the following prints to the console:
 ## Build
 
 ```console
-cmake -S demo/c/. -B demo/c/build && cmake --build demo/c/build --target rhino_demo_file
+cmake -S demo/c/. -B demo/c/build -DPV_RECORDER_PLATFORM={PV_RECORDER_PLATFORM}
+cmake --build demo/c/build --target rhino_demo_file
 ```
 
+The {PV_RECORDER_PLATFORM} variable will set the compilation flags for the given platform. Exclude this variable to get a list of possible values.
+
 ## Run
 
 ### Usage

diff --git a/demo/c/pvrecorder b/demo/c/pvrecorder
diff --git a/demo/c/rhino_demo_mic.c b/demo/c/rhino_demo_mic.c
@@ -1,5 +1,5 @@
 /*
-    Copyright 2018-2023 Picovoice Inc.
+    Copyright 2018-2025 Picovoice Inc.
 
     You may not use this file except in compliance with the license. A copy of the license is located in the "LICENSE"
     file accompanying this source.
@@ -112,7 +112,7 @@ void show_audio_devices(void) {
     char **devices = NULL;
     int32_t count = 0;
 
-    pv_recorder_status_t status = pv_recorder_get_audio_devices(&count, &devices);
+    pv_recorder_status_t status = pv_recorder_get_available_devices(&count, &devices);
     if (status != PV_RECORDER_STATUS_SUCCESS) {
         fprintf(stderr, "Failed to get audio devices with: %s.\n", pv_recorder_status_to_string(status));
         exit(1);
@@ -123,7 +123,7 @@ void show_audio_devices(void) {
         fprintf(stdout, "index: %d, name: %s\n", i, devices[i]);
     }
 
-    pv_recorder_free_device_list(count, devices);
+    pv_recorder_free_available_devices(count, devices);
 }
 
 void print_error_message(char **message_stack, int32_t message_stack_depth) {
@@ -323,7 +323,7 @@ int picovoice_main(int argc, char *argv[]) {
 
     const int32_t frame_length = pv_rhino_frame_length_func();
     pv_recorder_t *recorder = NULL;
-    pv_recorder_status_t recorder_status = pv_recorder_init(device_index, frame_length, 100, true, true, &recorder);
+    pv_recorder_status_t recorder_status = pv_recorder_init(frame_length, device_index, 100, &recorder);
     if (recorder_status != PV_RECORDER_STATUS_SUCCESS) {
         fprintf(stderr, "Failed to initialize device with %s.\n", pv_recorder_status_to_string(recorder_status));
         exit(1);