├── .cargo └── config.toml ├── .gitignore ├── Cargo.lock ├── Cargo.toml ├── LICENSE ├── README.md ├── presets └── test │ └── reactive.milk ├── rel.sh ├── scripts └── clippy.sh └── src ├── app.rs ├── app ├── audio.rs ├── config.rs ├── main_loop.rs ├── playlist.rs └── video.rs ├── dummy_audio.rs └── main.rs /.cargo/config.toml: -------------------------------------------------------------------------------- 1 | [env] 2 | # use pipewire for audio 3 | #SDL_AUDIODRIVER = "pipewire" 4 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .vscode/ 2 | target/ 3 | .nvim-dap.lua 4 | -------------------------------------------------------------------------------- /Cargo.lock: -------------------------------------------------------------------------------- 1 | # This file is automatically @generated by Cargo. 2 | # It is not intended for manual editing. 3 | version = 3 4 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| "syn", 504 | ] 505 | -------------------------------------------------------------------------------- /Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | name = "projectm_sdl" 3 | version = "0.1.1" 4 | edition = "2021" 5 | rust-version = "1.68.2" 6 | 7 | [dependencies] 8 | libc = "*" 9 | #projectm = { path = "../projectm-rs", version = "3", features = ["playlist", "static"] } 10 | projectm = { version = "3", features = ['playlist', 'static'] } 11 | sdl3 = { version = "0.14.24", features = ["build-from-source-static"] } 12 | #sdl3 = { path = "../../sdl3-rs", version = "0", features = ["build-from-source"] } 13 | rand = "0.8.5" 14 | include_dir = "0.7" 15 | 16 | [features] 17 | static-link = ["sdl3/static-link"] 18 | dummy_audio = [] 19 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU LESSER GENERAL PUBLIC LICENSE 2 | Version 2.1, February 1999 3 | 4 | Copyright (C) 1991, 1999 Free Software Foundation, Inc. 5 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | [This is the first released version of the Lesser GPL. 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4 | 5 | [![Contributors][contributors-shield]][contributors-url] 6 | [![Forks][forks-shield]][forks-url] 7 | [![Stargazers][stars-shield]][stars-url] 8 | [![Issues][issues-shield]][issues-url] 9 | [![License][license-shield]][license-url] 10 | 11 |
12 | 13 |

ProjectM

14 | 15 |

16 | Reference projectM application in Rust, utilizing the projectM crate 17 |
18 |
19 | Report Bug 20 | · 21 | Request Feature 22 |

23 |
24 | 25 |
26 | 27 | 28 |
29 | Table of Contents 30 |
    31 |
  1. 32 | Getting Started 33 | 36 |
    2. 37 |
  2. Usage
    3. 38 |
  3. Contributing
    4. 39 |
  4. License
    5. 40 |
  5. Support
    6. 41 |
  6. Contact
    7. 42 |
43 |
44 | 45 |
46 | 47 | 48 | 49 | ## Getting Started 50 | 51 | To get this crate up and running properly, you'll need to install some prerequisites. 52 | 53 | ### Prerequisites 54 | 55 | Depending on the OS/distribution and packaging system, libraries might be split into separate packages with binaries and 56 | development files. To build projectM, both binaries and development files need to be installed. 57 | 58 | #### General build dependencies for all platforms: 59 | 60 | - [**Rust**](https://www.rust-lang.org/tools/install) 61 | - A working build toolchain. 62 | - [**CMake**](https://cmake.org/): Used to generate platform-specific build files. 63 | - **OpenGL**: 3D graphics library. Used to render the visualizations. 64 | - or **GLES3**: OpenGL libraries for embedded systems, version 3. Required to build projectM on Android devices, 65 | Raspberry Pi, Emscripten and the Universal Windows Platform. 66 | - [**glm**](https://github.com/g-truc/glm): OpenGL Mathematics library. Optional, will use a bundled version with 67 | autotools or if not installed. 68 | - [**SDL3**](https://github.com/libsdl-org/SDL): Simple Directmedia Layer >= 3. Provided by sdl3-rs. 69 | the test UI. 70 | - [**LLVM**](https://llvm.org/): Low-Level Virtual Machine. Optional and **experimental**, used to speed up preset 71 | execution by leveraging the LLVM JIT compiler. 72 | 73 | #### Only relevant for Windows: 74 | 75 | - [**vcpkg**](https://github.com/microsoft/vcpkg): C++ Library Manager for Windows. _Optional_, but recommended to 76 | install the aforementioned library dependencies. 77 | - [**GLEW**](http://glew.sourceforge.net/): The OpenGL Extension Wrangler Library. Only required if using CMake to 78 | configure the build, the pre-created solutions use a bundled copy of GLEW. 79 |

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80 | 81 | 82 | 83 | ## Usage 84 | 85 | ``` 86 | // run app 87 | cargo run 88 | 89 | // build app 90 | cargo build 91 | ``` 92 | 93 | ### If using SDL installed via Homebrew 94 | 95 | ``` 96 | RUSTFLAGS="-L$(brew --prefix sdl3)/lib" cargo build 97 | RUSTFLAGS="-L$(brew --prefix sdl3)/lib" cargo run 98 | ``` 99 | 100 | ### Optimized build 101 | 102 | ``` 103 | cargo run --release 104 | ``` 105 | 106 |

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107 | 108 | 109 | 110 | ## Contributing 111 | 112 | Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are **greatly appreciated**. 113 | 114 | If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement". 115 | Don't forget to give the project a star! Thanks again! 116 | 117 | 1. Fork the Project 118 | 2. Create your Feature Branch (`git checkout -b feature/AmazingFeature`) 119 | 3. Commit your Changes (`git commit -m 'Add some AmazingFeature'`) 120 | 4. Push to the Branch (`git push origin feature/AmazingFeature`) 121 | 5. Open a Pull Request 122 | 123 |

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124 | 125 | 126 | 127 | ## License 128 | 129 | Distributed under the LGPL-2.1 license. See `LICENSE` for more information. 130 | 131 |

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132 | 133 | 134 | 135 | ## Support 136 | 137 | [![Discord][discord-shield]][discord-url] 138 | 139 |

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140 | 141 | 142 | 143 | ## Contact 144 | 145 | Blaquewithaq (Discord: SoFloppy#1289) - [@anomievision](https://twitter.com/anomievision) - anomievision@gmail.com 146 | 147 |

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148 | 149 | 150 | 151 | 152 | [contributors-shield]: https://img.shields.io/github/contributors/projectM-visualizer/projectm-rs.svg?style=for-the-badge 153 | [contributors-url]: https://github.com/projectM-visualizer/frontend-sdl-rust/graphs/contributors 154 | [forks-shield]: https://img.shields.io/github/forks/projectM-visualizer/projectm-rs.svg?style=for-the-badge 155 | [forks-url]: https://github.com/projectM-visualizer/frontend-sdl-rust/network/members 156 | [stars-shield]: https://img.shields.io/github/stars/projectM-visualizer/projectm-rs.svg?style=for-the-badge 157 | [stars-url]: https://github.com/projectM-visualizer/frontend-sdl-rust/stargazers 158 | [issues-shield]: https://img.shields.io/github/issues/projectM-visualizer/projectm-rs.svg?style=for-the-badge 159 | [issues-url]: https://github.com/projectM-visualizer/frontend-sdl-rust/issues 160 | [license-shield]: https://img.shields.io/github/license/projectM-visualizer/projectm-rs.svg?style=for-the-badge 161 | [license-url]: https://github.com/projectM-visualizer/frontend-sdl-rust/blob/master/LICENSE 162 | [crates-shield]: https://img.shields.io/crates/v/projectm-rs?style=for-the-badge 163 | [crates-url]: https://crates.io/crates/projectm-rs 164 | [crates-dl-shield]: https://img.shields.io/crates/d/projectm-rs?style=for-the-badge 165 | [crates-dl-url]: https://crates.io/crates/projectm-rs 166 | [discord-shield]: https://img.shields.io/discord/737206408482914387?style=for-the-badge 167 | [discord-url]: https://discord.gg/7fQXN43n9W 168 | -------------------------------------------------------------------------------- /presets/test/reactive.milk: -------------------------------------------------------------------------------- 1 | [preset00] 2 | fDecay=0.75 3 | fWarpScale=2.853000 4 | fZoomExponent=1.000000 5 | warp=0.000000 6 | wave_a=0 7 | cy=1.0 8 | cx=0.5 9 | sx=1 10 | sy=1 11 | dx=0 12 | dy=0.02 13 | zoom=1.0 14 | ob_size=0 15 | ib_size=0.0 16 | 17 | per_pixel_1=cx=x 18 | 19 | wavecode_0_enabled=1 20 | wavecode_0_r=1 21 | wavecode_0_g=0 22 | wavecode_0_b=0 23 | wavecode_0_mode=0 24 | wavecode_0_bDrawThick=0 25 | wavecode_0_bAdditive=1 26 | wavecode_0_scaling=1.0 27 | wavecode_0_smoothing=0.0 28 | wavecode_0_r=0.000000 29 | wavecode_0_g=1.000000 30 | wavecode_0_b=1.000000 31 | wavecode_0_a=1.000000 32 | wave_0_per_frame1=t1=if(above(bass,9.5),0.95,bass/10) 33 | wave_0_per_point1=x=0.01666 + 0.3*sample; 34 | wave_0_per_point2=y=t1 + value1/20; 35 | 36 | 37 | wavecode_1_enabled=1 38 | wavecode_1_r=0 39 | wavecode_1_g=1 40 | wavecode_1_b=0 41 | wavecode_1_mode=0 42 | wavecode_1_bDrawThick=0 43 | wavecode_1_bAdditive=1 44 | wavecode_1_scaling=1.0 45 | wavecode_1_smoothing=0.0 46 | wavecode_1_r=0.000000 47 | wavecode_1_g=1.000000 48 | wavecode_1_b=1.000000 49 | wavecode_1_a=1.000000 50 | wave_1_per_frame1=t1=if(above(mid,9.5),0.95,mid/10) 51 | wave_1_per_point1=x=0.35 + 0.3*sample; 52 | wave_1_per_point2=y=t1 + value2/20; 53 | 54 | 55 | wavecode_2_enabled=1 56 | wavecode_2_r=0 57 | wavecode_2_g=0 58 | wavecode_2_b=1 59 | wavecode_2_mode=0 60 | wavecode_2_bDrawThick=0 61 | wavecode_2_bAdditive=1 62 | wavecode_2_scaling=1.0 63 | wavecode_2_smoothing=0.0 64 | wavecode_2_r=0.000000 65 | wavecode_2_g=1.000000 66 | wavecode_2_b=1.000000 67 | wavecode_2_a=1.000000 68 | wave_2_per_frame1=t1=if(above(treb,9.5),0.95,treb/10) 69 | wave_2_per_point1=x=0.6833 + 0.3*sample; 70 | wave_2_per_point2=y=t1 + value1/20; 71 | -------------------------------------------------------------------------------- /rel.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | set -e 4 | 5 | ####################################### 6 | # Variables 7 | ####################################### 8 | APP_NAME="projectm_sdl" 9 | BUNDLE_ID="projectM" 10 | DEVELOPER_ID="Developer ID Application: Mischa Spiegelmock (5926VBQM6Y)" 11 | TEAM_ID="5926VBQM6Y" 12 | KEYCHAIN_PROFILE="projectm" 13 | 14 | BUILD_DIR="target" 15 | OUTPUT_DIR="${PWD}/dist" 16 | 17 | # Paths for universal binary 18 | UNIVERSAL_BINARY="${OUTPUT_DIR}/${APP_NAME}" 19 | 20 | # .app bundle paths 21 | APP_BUNDLE_NAME="${APP_NAME}.app" 22 | APP_BUNDLE_PATH="${OUTPUT_DIR}/${APP_BUNDLE_NAME}" 23 | APP_EXECUTABLE_PATH="${APP_BUNDLE_PATH}/Contents/MacOS" 24 | INFO_PLIST_PATH="${APP_BUNDLE_PATH}/Contents/Info.plist" 25 | RESOURCES_PATH="${APP_BUNDLE_PATH}/Contents/Resources" 26 | 27 | # Entitlements file (if sandboxing is needed) 28 | ENTITLEMENTS_FILE="${OUTPUT_DIR}/entitlements.plist" 29 | 30 | # Zip paths 31 | PRE_NOTARIZATION_ZIP="${OUTPUT_DIR}/${APP_NAME}-pre-notarization.zip" 32 | FINAL_ZIP="${OUTPUT_DIR}/${APP_NAME}.zip" 33 | 34 | ####################################### 35 | # 1) Build Rust Binaries (x86_64 + arm64) 36 | ####################################### 37 | echo "==> Building for x86_64" 38 | cargo build --release --target x86_64-apple-darwin 39 | 40 | echo "==> Building for arm64" 41 | cargo build --release --target aarch64-apple-darwin 42 | 43 | ####################################### 44 | # 2) Create Universal Binary 45 | ####################################### 46 | mkdir -p "${OUTPUT_DIR}" 47 | echo "==> Creating universal binary" 48 | lipo -create -output "${UNIVERSAL_BINARY}" \ 49 | "${BUILD_DIR}/x86_64-apple-darwin/release/${APP_NAME}" \ 50 | "${BUILD_DIR}/aarch64-apple-darwin/release/${APP_NAME}" 51 | 52 | ####################################### 53 | # 3) Create .app Bundle Structure 54 | ####################################### 55 | echo "==> Creating .app bundle structure" 56 | rm -rf "${APP_BUNDLE_PATH}" || true 57 | mkdir -p "${APP_EXECUTABLE_PATH}" 58 | mkdir -p "${RESOURCES_PATH}" 59 | 60 | # Move the universal binary into MacOS/ 61 | mv "${UNIVERSAL_BINARY}" "${APP_EXECUTABLE_PATH}/${APP_NAME}" 62 | 63 | ####################################### 64 | # 4) Create Info.plist with Microphone Access 65 | ####################################### 66 | echo "==> Creating Info.plist" 67 | cat > "${INFO_PLIST_PATH}" < 69 | 71 | 72 | 73 | CFBundleName 74 | ${APP_NAME} 75 | CFBundleIdentifier 76 | ${BUNDLE_ID} 77 | CFBundleVersion 78 | 1.0 79 | CFBundleExecutable 80 | ${APP_NAME} 81 | CFBundlePackageType 82 | APPL 83 | LSMinimumSystemVersion 84 | 10.12 85 | NSMicrophoneUsageDescription 86 | This app requires microphone access for audio input. 87 | 88 | 89 | EOL 90 | 91 | ####################################### 92 | # 5) (Optional) Create Entitlements File for Sandboxing 93 | ####################################### 94 | echo "==> Creating entitlements file for sandboxing (optional)" 95 | cat > "${ENTITLEMENTS_FILE}" < 97 | 99 | 100 | 101 | com.apple.security.app-sandbox 102 | 103 | com.apple.security.device.audio-input 104 | 105 | 106 | 107 | EOL 108 | 109 | ####################################### 110 | # 6) Clone and Copy Presets/Textures 111 | ####################################### 112 | echo "==> Cloning preset repositories" 113 | TEMP_DIR="$(mktemp -d)" 114 | pushd "$TEMP_DIR" >/dev/null 115 | 116 | # cream-of-the-crop 117 | git clone git@github.com:projectM-visualizer/presets-cream-of-the-crop.git 118 | mkdir -p "${RESOURCES_PATH}/presets" 119 | cp -R presets-cream-of-the-crop/"." "${RESOURCES_PATH}/presets/" 120 | 121 | # milkdrop-texture-pack 122 | git clone git@github.com:projectM-visualizer/presets-milkdrop-texture-pack.git 123 | mkdir -p "${RESOURCES_PATH}/textures" 124 | cp -R presets-milkdrop-texture-pack/textures/"." "${RESOURCES_PATH}/textures/" 125 | 126 | popd >/dev/null 127 | rm -rf "$TEMP_DIR" 128 | 129 | ####################################### 130 | # 7) Sign the .app Bundle with Entitlements 131 | ####################################### 132 | echo "==> Signing the .app with hardened runtime and entitlements" 133 | codesign --deep --verbose --force --options runtime \ 134 | --entitlements "${ENTITLEMENTS_FILE}" \ 135 | --sign "${DEVELOPER_ID}" "${APP_BUNDLE_PATH}" 136 | 137 | ####################################### 138 | # 8) Zip the Signed .app for Notarization 139 | ####################################### 140 | echo "==> Creating zip for notarization" 141 | rm -f "${PRE_NOTARIZATION_ZIP}" 142 | ditto -c -k --sequesterRsrc --keepParent \ 143 | "${APP_BUNDLE_PATH}" \ 144 | "${PRE_NOTARIZATION_ZIP}" 145 | 146 | ####################################### 147 | # 9) Submit the Zip File for Notarization 148 | ####################################### 149 | echo "==> Submitting for notarization" 150 | xcrun notarytool submit "${PRE_NOTARIZATION_ZIP}" \ 151 | --keychain-profile "${KEYCHAIN_PROFILE}" \ 152 | --team-id "${TEAM_ID}" \ 153 | --wait 154 | 155 | ####################################### 156 | # 10) Staple the Now-Notarized .app 157 | ####################################### 158 | echo "==> Stapling notarization ticket to .app" 159 | xcrun stapler staple "${APP_BUNDLE_PATH}" 160 | 161 | ####################################### 162 | # 11) (Optional) Create Final Zip with Stapled .app 163 | ####################################### 164 | echo "==> Creating final zip of stapled .app" 165 | rm -f "${FINAL_ZIP}" 166 | ditto -c -k --sequesterRsrc --keepParent \ 167 | "${APP_BUNDLE_PATH}" \ 168 | "${FINAL_ZIP}" 169 | 170 | ####################################### 171 | # 12) Verify with Gatekeeper 172 | ####################################### 173 | echo "==> Verifying with spctl" 174 | spctl --assess --verbose=4 "${APP_BUNDLE_PATH}" 175 | 176 | rm "${PRE_NOTARIZATION_ZIP}" 177 | rm "${ENTITLEMENTS_FILE}" 178 | 179 | echo "✅ Build, sign, notarize, staple, and package completed successfully!" -------------------------------------------------------------------------------- /scripts/clippy.sh: -------------------------------------------------------------------------------- 1 | cargo clippy --all-features --all-targets -- -D warnings 2 | -------------------------------------------------------------------------------- /src/app.rs: -------------------------------------------------------------------------------- 1 | use projectm::core::ProjectM; 2 | use sdl3::video::{GLProfile, WindowPos}; 3 | use std::convert::TryInto; 4 | use std::rc::Rc; 5 | 6 | pub mod audio; 7 | pub mod config; 8 | pub mod main_loop; 9 | pub mod playlist; 10 | pub mod video; 11 | 12 | pub type ProjectMWrapped = Rc; 13 | 14 | /// Application state 15 | pub struct App { 16 | pm: ProjectMWrapped, 17 | playlist: projectm::playlist::Playlist, 18 | sdl_context: sdl3::Sdl, 19 | window: sdl3::video::Window, 20 | config: config::Config, 21 | audio: audio::Audio, 22 | _gl_context: sdl3::video::GLContext, 23 | } 24 | 25 | pub fn default_config() -> config::Config { 26 | config::Config::default() 27 | } 28 | 29 | impl App { 30 | pub fn new(config: Option) -> Self { 31 | // setup sdl 32 | let sdl_context = sdl3::init().unwrap(); 33 | // print SDL version 34 | let version = sdl3::version::version(); 35 | println!( 36 | "SDL version: {}.{}.{}", 37 | version.major, version.minor, version.patch 38 | ); 39 | let video_subsystem = sdl_context.video().unwrap(); 40 | 41 | // request GL version 42 | // TODO: deal with OpenGL ES here 43 | let gl_attr = video_subsystem.gl_attr(); 44 | gl_attr.set_context_profile(GLProfile::Core); 45 | gl_attr.set_context_version(3, 3); 46 | gl_attr.set_context_flags().debug().set(); 47 | assert_eq!(gl_attr.context_profile(), GLProfile::Core); 48 | assert_eq!(gl_attr.context_version(), (3, 3)); 49 | 50 | // create window 51 | let mut window = video_subsystem 52 | .window("ProjectM", 1024, 768) 53 | .build() 54 | .expect("could not initialize video subsystem"); 55 | 56 | // create openGL context 57 | let gl_context = window.gl_create_context().unwrap(); 58 | window.gl_make_current(&gl_context).unwrap(); 59 | 60 | // initialize projectM 61 | let pm = Rc::new(ProjectM::create()); 62 | 63 | // and a preset playlist 64 | let playlist = projectm::playlist::Playlist::create(&pm); 65 | 66 | // make window full-size 67 | let primary_display_id = video_subsystem.get_primary_display_id(); 68 | let display_bounds = video_subsystem 69 | .display_usable_bounds(primary_display_id) 70 | .unwrap(); 71 | window 72 | .set_size(display_bounds.width(), display_bounds.height()) 73 | .unwrap(); 74 | window.set_position(WindowPos::Centered, WindowPos::Centered); 75 | window 76 | .set_display_mode(None) 77 | .expect("could not set display mode"); 78 | 79 | // initialize audio 80 | let audio = audio::Audio::new(&sdl_context, Rc::clone(&pm)); 81 | 82 | Self { 83 | pm, 84 | playlist, 85 | sdl_context, 86 | window, 87 | config: config.unwrap_or_else(default_config), 88 | audio, 89 | _gl_context: gl_context, // keep this around to keep the context alive 90 | } 91 | } 92 | 93 | pub fn init(&mut self) { 94 | // load config 95 | self.load_config(&self.config); 96 | 97 | // initialize audio 98 | self.audio.init(self.get_frame_rate()); 99 | 100 | self.update_projectm_window_size(); 101 | } 102 | } 103 | -------------------------------------------------------------------------------- /src/app/audio.rs: -------------------------------------------------------------------------------- 1 | use projectm::core::ProjectM; 2 | use sdl3::audio::{AudioDevice, AudioDeviceID, AudioSpec, AudioStream}; 3 | 4 | use super::config::FrameRate; 5 | use super::ProjectMWrapped; 6 | 7 | type SampleFormat = f32; // Format of audio samples 8 | const CHANNELS: u32 = 2; // Number of audio channels 9 | 10 | pub struct Audio { 11 | audio_subsystem: sdl3::AudioSubsystem, 12 | recording_stream: Option>, 13 | is_capturing: bool, 14 | frame_rate: Option, 15 | projectm: ProjectMWrapped, 16 | current_device_id: Option, 17 | current_device_name: Option, // Store device name for comparison 18 | } 19 | 20 | impl Audio { 21 | pub fn new(sdl_context: &sdl3::Sdl, projectm: ProjectMWrapped) -> Self { 22 | let audio_subsystem = sdl_context.audio().unwrap(); 23 | println!( 24 | "Using audio driver: {}", 25 | audio_subsystem.current_audio_driver() 26 | ); 27 | 28 | Self { 29 | is_capturing: false, 30 | audio_subsystem, 31 | frame_rate: None, 32 | current_device_id: None, 33 | current_device_name: None, 34 | recording_stream: None, 35 | projectm, 36 | } 37 | } 38 | 39 | pub fn init(&mut self, frame_rate: FrameRate) { 40 | self.list_devices(); 41 | 42 | self.frame_rate = Some(frame_rate); 43 | 44 | #[cfg(not(feature = "dummy_audio"))] 45 | self.begin_audio_recording(None); 46 | } 47 | 48 | pub fn list_devices(&self) { 49 | let devices = self.get_device_list(); 50 | 51 | println!("Audio Devices:"); 52 | for device in devices { 53 | println!(" - {} [{}]", device.name(), device.id()); 54 | } 55 | } 56 | 57 | /// Start capturing audio from device_id. 58 | pub fn begin_audio_recording(&mut self, device_id: Option) { 59 | // Stop capturing from current stream/device 60 | self.stop_audio_recording(); 61 | 62 | let sample_rate: u32 = 44100; 63 | 64 | let desired_spec = AudioSpec { 65 | freq: Some(sample_rate as i32), 66 | channels: Some(CHANNELS.try_into().unwrap()), 67 | format: Some(sdl3::audio::AudioFormat::f32_sys()), // Assuming F32SYS is the correct format 68 | }; 69 | 70 | // Open audio device for recording (use default device if none specified) 71 | let device_id = device_id 72 | .or_else(|| Some(self.get_default_recording_device().id())) 73 | .unwrap(); // Ensure device_id is Some 74 | 75 | let audio_stream = match AudioStream::open_device_stream(device_id, Some(&desired_spec)) { 76 | Ok(stream) => stream, 77 | Err(e) => { 78 | println!("Failed to open audio stream: {}", e); 79 | return; 80 | } 81 | }; 82 | println!("Capturing audio from device {:?}", audio_stream); 83 | 84 | // Get the actual device ID and name from the stream 85 | let actual_device_id = audio_stream.device_id(); 86 | let actual_device_name = audio_stream.device_name(); 87 | 88 | if actual_device_id.is_none() { 89 | println!("Failed to get device ID from audio stream: {:?}", audio_stream); 90 | return; 91 | } 92 | 93 | let actual_device_id = actual_device_id.unwrap(); 94 | let actual_device_name = actual_device_name.unwrap_or_else(|| "unknown".to_string()); 95 | 96 | // Start capturing 97 | if let Err(e) = audio_stream.resume() { 98 | println!("Failed to start audio capture: {}", e); 99 | return; 100 | } 101 | 102 | // Take ownership of the stream and store device information 103 | self.recording_stream = Some(Box::new(audio_stream)); 104 | self.current_device_id = Some(actual_device_id); 105 | self.current_device_name = Some(actual_device_name); 106 | self.is_capturing = true; 107 | } 108 | 109 | fn get_default_recording_device(&self) -> AudioDevice { 110 | self.audio_subsystem.default_recording_device() 111 | } 112 | 113 | /// Select a new audio device and start capturing audio from it. 114 | pub fn open_next_device(&mut self) { 115 | let current_device_name = self.recording_device_name(); 116 | 117 | let device_list = self.get_device_list(); 118 | 119 | println!("Device list: {:?}", device_list); 120 | println!("Current device name: {:?}", current_device_name); 121 | 122 | // Find the index of the current device by name 123 | let current_device_index = current_device_name.as_ref().and_then(|name| { 124 | device_list 125 | .iter() 126 | .position(|d| d.name() == *name) 127 | }); 128 | 129 | let current_device_index = current_device_index.unwrap_or_else(|| { 130 | println!("Current device not found in device list. Starting from the first device."); 131 | 0 132 | }); 133 | 134 | // Select next device index 135 | let next_device_index = (current_device_index + 1) % device_list.len(); 136 | let next_device_id = device_list[next_device_index]; 137 | 138 | println!( 139 | "Switching from device '{}' to '{}'", 140 | current_device_name.unwrap_or_else(|| "unknown".to_string()), 141 | next_device_id.name() 142 | ); 143 | 144 | // Start capturing from next device 145 | self.begin_audio_recording(Some(next_device_id)); 146 | } 147 | 148 | 149 | pub fn stop_audio_recording(&mut self) { 150 | if let Some(stream) = self.recording_stream.take() { 151 | // Retrieve the device name before dropping the stream 152 | let current_device_name = stream.device_name().unwrap_or_else(|| "unknown".to_string()); 153 | 154 | println!( 155 | "Stopping audio capture for device {}", 156 | current_device_name 157 | ); 158 | 159 | // The recording device will be closed when the stream is dropped 160 | self.is_capturing = false; 161 | drop(stream); 162 | } 163 | } 164 | 165 | /// Read all available audio samples from the recording stream and feed them to ProjectM. 166 | /// This method should be called once per frame. 167 | pub fn process_frame_samples(&mut self) { 168 | if !self.is_capturing || self.recording_stream.is_none() { 169 | return; 170 | } 171 | 172 | let stream = self.recording_stream.as_mut().unwrap(); 173 | let available_bytes = stream.available_bytes(); 174 | if available_bytes.is_err() || available_bytes.unwrap() == 0 { 175 | // nothing to read 176 | return; 177 | } 178 | 179 | // Retrieve the maximum number of PCM samples ProjectM can handle 180 | let max_samples: usize = ProjectM::pcm_get_max_samples() 181 | .try_into() 182 | .expect("Failed to convert max samples to usize"); 183 | 184 | // Allocate the sample buffer once to reuse in the loop 185 | let mut sample_buf = vec![0.0f32; max_samples]; 186 | 187 | // Start the loop to read and process samples 188 | loop { 189 | // Attempt to read samples into the buffer 190 | match stream.read_f32_samples(&mut sample_buf) { 191 | Ok(samples_read) => { 192 | if samples_read == 0 { 193 | // No more data to read; exit the loop 194 | break; 195 | } 196 | 197 | // Add the read samples to ProjectM for processing 198 | self.projectm 199 | .pcm_add_float(&sample_buf[..samples_read], CHANNELS); 200 | } 201 | Err(e) => { 202 | // Handle any read errors 203 | println!("Failed to read audio samples: {}", e); 204 | break; // Exit the loop on error 205 | } 206 | } 207 | } 208 | 209 | } 210 | 211 | fn get_device_list(&self) -> Vec { 212 | self.audio_subsystem.audio_recording_device_ids().unwrap_or_else(|e| { 213 | println!("Failed to get audio device list: {}", e); 214 | Vec::new() 215 | }) 216 | } 217 | 218 | pub fn recording_device_name(&self) -> Option { 219 | self.current_device_name.clone() 220 | } 221 | } -------------------------------------------------------------------------------- /src/app/config.rs: -------------------------------------------------------------------------------- 1 | use crate::app::App; 2 | use std::path::Path; 3 | 4 | pub type FrameRate = u32; 5 | 6 | /// Configuration for the application 7 | /// TODO: use config crate to support loading from env/CLI/file. 8 | /// Parameters are defined here: https://github.com/projectM-visualizer/projectm/blob/master/src/api/include/projectM-4/parameters.h 9 | pub struct Config { 10 | /// Frame rate to render at. Defaults to 60. 11 | pub frame_rate: Option, 12 | 13 | /// Path to the preset directory. Defaults to /usr/local/share/projectM/presets 14 | pub preset_path: Option, 15 | 16 | /// Path to the texture directory. Defaults to /usr/local/share/projectM/textures 17 | pub texture_path: Option, 18 | 19 | /// How sensitive the beat detection is. 1.0 is default. 20 | pub beat_sensitivity: Option, 21 | 22 | /// How long to play a preset before switching to a new one (seconds). 23 | pub preset_duration: Option, 24 | } 25 | 26 | #[cfg(target_os = "macos")] 27 | fn default_resource_dir() -> std::path::PathBuf { 28 | // current_exe() => /Path/To/projectm_sdl.app/Contents/MacOS/projectm_sdl 29 | let exe_path = std::env::current_exe().unwrap(); 30 | // Jump up two levels to Contents/, then into Resources 31 | exe_path 32 | .parent() // MacOS 33 | .unwrap() 34 | .parent() // Contents 35 | .unwrap() 36 | .join("Resources") 37 | } 38 | 39 | #[cfg(not(target_os = "macos"))] 40 | fn default_resource_dir() -> std::path::PathBuf { 41 | // On Linux, Windows, etc., do as you wish 42 | "/usr/local/share/projectM".into() 43 | } 44 | 45 | impl Default for Config { 46 | fn default() -> Self { 47 | #[cfg(target_os = "macos")] 48 | let resource_dir = default_resource_dir(); // points to .app/Contents/Resources 49 | 50 | #[cfg(not(target_os = "macos"))] 51 | let resource_dir = std::path::PathBuf::from("/usr/local/share/projectM"); 52 | 53 | // Construct paths 54 | let presets_path = resource_dir.join("presets"); 55 | let textures_path = resource_dir.join("textures"); 56 | 57 | Self { 58 | preset_path: presets_path.exists().then(|| presets_path.to_string_lossy().to_string()), 59 | texture_path: textures_path.exists().then(|| textures_path.to_string_lossy().to_string()), 60 | frame_rate: Some(60), 61 | beat_sensitivity: Some(1.0), 62 | preset_duration: Some(10.0), 63 | } 64 | } 65 | } 66 | 67 | impl App { 68 | pub fn load_config(&self, config: &Config) { 69 | let pm = &self.pm; 70 | 71 | // load presets if provided 72 | if let Some(preset_path) = &config.preset_path { 73 | self.add_preset_path(preset_path); 74 | } 75 | 76 | // set frame rate if provided 77 | if let Some(frame_rate) = config.frame_rate { 78 | pm.set_fps(frame_rate); 79 | } 80 | 81 | // load textures if provided 82 | if let Some(texture_path) = &config.texture_path { 83 | let mut paths: Vec = Vec::new(); 84 | paths.push(texture_path.into()); 85 | pm.set_texture_search_paths(&paths, 1); 86 | } 87 | 88 | // set beat sensitivity if provided 89 | if let Some(beat_sensitivity) = config.beat_sensitivity { 90 | pm.set_beat_sensitivity(beat_sensitivity); 91 | } 92 | 93 | // set preset duration if provided 94 | if let Some(preset_duration) = config.preset_duration { 95 | pm.set_preset_duration(preset_duration); 96 | } 97 | 98 | // set preset shuffle mode 99 | // self.playlist.set_shuffle(true); 100 | } 101 | 102 | pub fn get_frame_rate(&self) -> FrameRate { 103 | self.pm.get_fps() 104 | } 105 | } 106 | -------------------------------------------------------------------------------- /src/app/main_loop.rs: -------------------------------------------------------------------------------- 1 | use crate::app::App; 2 | use sdl3::event::Event; 3 | use sdl3::keyboard::Keycode; 4 | use sdl3::timer::{delay, ticks}; 5 | 6 | #[cfg(feature = "dummy_audio")] 7 | use crate::dummy_audio; 8 | 9 | impl App { 10 | pub fn main_loop(&mut self) { 11 | let config = &self.config; 12 | let frame_rate = config.frame_rate.unwrap(); 13 | 14 | // events 15 | let mut event_pump = self.sdl_context.event_pump().unwrap(); 16 | 17 | // renderLoop 18 | 'running: loop { 19 | // get start time 20 | let start_time = ticks(); 21 | 22 | // check for event 23 | for event in event_pump.poll_iter() { 24 | match event { 25 | // quit (Esc) 26 | Event::Quit { .. } 27 | | Event::KeyDown { 28 | keycode: Some(Keycode::Escape), 29 | .. 30 | } => { 31 | break 'running; 32 | } 33 | 34 | // Next preset (N, right-arrow) 35 | Event::KeyUp { 36 | keycode: Some(Keycode::N), 37 | .. 38 | } => { 39 | self.playlist_play_next(); 40 | } 41 | // XXX: how to collapse these into one case? 42 | Event::KeyUp { 43 | keycode: Some(Keycode::Right), 44 | .. 45 | } => { 46 | self.playlist_play_next(); 47 | } 48 | 49 | // Previous preset (P, left-arrow) 50 | Event::KeyUp { 51 | keycode: Some(Keycode::P), 52 | .. 53 | } => { 54 | self.playlist_play_prev(); 55 | } 56 | Event::KeyUp { 57 | keycode: Some(Keycode::Left), 58 | .. 59 | } => { 60 | self.playlist_play_prev(); 61 | } 62 | 63 | // Random preset (R) 64 | Event::KeyUp { 65 | keycode: Some(Keycode::R), 66 | .. 67 | } => { 68 | self.playlist_play_random(); 69 | } 70 | 71 | // Toggle fullscreen (F) 72 | Event::KeyUp { 73 | keycode: Some(Keycode::F), 74 | .. 75 | } => { 76 | self.toggle_fullscreen(); 77 | } 78 | 79 | // Next audio capture input device (ctl-I, cmd-I) 80 | Event::KeyUp { 81 | keycode: Some(Keycode::I), 82 | keymod: 83 | sdl3::keyboard::Mod::LCTRLMOD 84 | | sdl3::keyboard::Mod::RCTRLMOD 85 | | sdl3::keyboard::Mod::LGUIMOD 86 | | sdl3::keyboard::Mod::RGUIMOD, 87 | .. 88 | } => { 89 | self.audio.open_next_device(); 90 | } 91 | 92 | // default 93 | _ => {} 94 | } 95 | } 96 | 97 | // generate random audio 98 | #[cfg(feature = "dummy_audio")] 99 | dummy_audio::generate_random_audio_data(&self.pm); 100 | 101 | // Feed audio data from capture device to projectM 102 | #[cfg(not(feature = "dummy_audio"))] 103 | self.audio.process_frame_samples(); 104 | 105 | // render a frame 106 | self.pm.render_frame(); 107 | 108 | // swap buffers 109 | self.window.gl_swap_window(); 110 | 111 | if frame_rate > 0 { 112 | // calculate frame time 113 | let frame_time: i32 = (ticks() - start_time).try_into().unwrap(); 114 | // what do we need to hit target frame rate? 115 | let frame_rate_i32: i32 = frame_rate.try_into().unwrap(); 116 | let delay_needed: i32 = 1000 / frame_rate_i32 - frame_time; 117 | if delay_needed > 0 { 118 | // sleep the remaining frame time 119 | delay(delay_needed.try_into().unwrap()); 120 | } 121 | } 122 | } 123 | } 124 | } 125 | -------------------------------------------------------------------------------- /src/app/playlist.rs: -------------------------------------------------------------------------------- 1 | use crate::app::App; 2 | 3 | impl App { 4 | /// Add presets to the playlist recursively skipping duplicates. 5 | pub fn add_preset_path(&self, preset_path: &str) { 6 | self.playlist.add_path(preset_path, true); 7 | println!("added preset path: {}", preset_path); 8 | println!("playlist size: {}", self.playlist.len()); 9 | } 10 | 11 | pub fn playlist_play_next(&mut self) { 12 | self.playlist.play_next(); 13 | } 14 | pub fn playlist_play_prev(&mut self) { 15 | self.playlist.play_prev(); 16 | } 17 | pub fn playlist_play_random(&mut self) { 18 | self.playlist.play_random(); 19 | } 20 | } 21 | -------------------------------------------------------------------------------- /src/app/video.rs: -------------------------------------------------------------------------------- 1 | use crate::app::App; 2 | 3 | impl App { 4 | pub fn toggle_fullscreen(&mut self) { 5 | let is_fullscreen = self.window.fullscreen_state(); 6 | self.window 7 | .set_fullscreen(match is_fullscreen { 8 | sdl3::video::FullscreenType::True => false, 9 | _ => true, 10 | }) 11 | .unwrap(); 12 | self.update_projectm_window_size(); 13 | } 14 | 15 | pub fn update_projectm_window_size(&mut self) { 16 | let (width, height) = self.window.size(); 17 | self.pm.set_window_size(width as usize, height as usize); 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /src/dummy_audio.rs: -------------------------------------------------------------------------------- 1 | use crate::app::ProjectMWrapped; 2 | 3 | #[allow(dead_code)] 4 | pub fn generate_random_audio_data(pm: &ProjectMWrapped) { 5 | // Create a Vec with 1024 elements 6 | // two channels of 512 samples each 7 | let mut pcm_data: Vec = vec![0; 1024]; 8 | 9 | for i in 0..512 { 10 | if i % 2 == 1 { 11 | pcm_data[i * 2] = -(pcm_data[i * 2] as i32) as i16; 12 | pcm_data[i * 2 + 1] = -(pcm_data[i * 2 + 1] as i32) as i16; 13 | } 14 | } 15 | 16 | pm.pcm_add_int16(&pcm_data, 2); 17 | } 18 | -------------------------------------------------------------------------------- /src/main.rs: -------------------------------------------------------------------------------- 1 | mod app; 2 | mod dummy_audio; 3 | 4 | fn main() -> Result<(), String> { 5 | let config = app::default_config(); 6 | // TODO: parse args here for config 7 | // config.preset_path = Some("./presets/test".to_string()); 8 | 9 | let mut app = app::App::new(Some(config)); 10 | app.init(); 11 | 12 | app.main_loop(); 13 | 14 | Ok(()) 15 | } 16 | --------------------------------------------------------------------------------