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feat: Dynamically parse and apply GTK UI hotkeys from config json

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katR 2026-09-02 16:41:34 +05:30
parent 587b164457
commit 32ada5214a
6 changed files with 757 additions and 17 deletions
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Cargo.lock generated
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@ -11,6 +11,28 @@ dependencies = [
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dependencies = [
"windows-core",
"windows-link",
"windows-threading",
]
[[package]]
name = "windows-implement"
version = "0.60.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.119",
]
[[package]]
name = "windows-interface"
version = "0.59.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.119",
]
[[package]]
name = "windows-link"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
[[package]]
name = "windows-numerics"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6e2e40844ac143cdb44aead537bbf727de9b044e107a0f1220392177d15b0f26"
dependencies = [
"windows-core",
"windows-link",
]
[[package]]
name = "windows-result"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7781fa89eaf60850ac3d2da7af8e5242a5ea78d1a11c49bf2910bb5a73853eb5"
dependencies = [
"windows-link",
]
[[package]]
name = "windows-strings"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7837d08f69c77cf6b07689544538e017c1bfcf57e34b4c0ff58e6c2cd3b37091"
dependencies = [
"windows-link",
]
[[package]]
name = "windows-sys"
version = "0.59.0"
@ -2017,6 +2570,15 @@ dependencies = [
"windows_x86_64_msvc",
]
[[package]]
name = "windows-threading"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3949bd5b99cafdf1c7ca86b43ca564028dfe27d66958f2470940f73d86d75b37"
dependencies = [
"windows-link",
]
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.52.6"

2
Cargo.toml
View file

@ -23,3 +23,5 @@ serde_json = "1.0.151"
tokio = { version = "1.53.1", features = ["rt", "macros", "rt-multi-thread"] }
xcb = { version = "1.7.1", features = ["shm", "xfixes"] }
dirs = "6.0.0"
cpal = "0.18.2"
rubato = "5.0.0"

7
src/bin/vrec-ui.rs
View file

@ -38,8 +38,11 @@ fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
}
let manager = GlobalHotKeyManager::new().unwrap();
let save_hotkey = HotKey::new(Some(Modifiers::CONTROL | Modifiers::SHIFT), Code::KeyR);
let menu_hotkey = HotKey::new(Some(Modifiers::ALT), Code::KeyZ);
let config = vrec::config::VrecConfig::load();
let save_hotkey = vrec::hotkey::parse_hotkey(&config.save_hotkey)
.unwrap_or_else(|| HotKey::new(Some(Modifiers::CONTROL | Modifiers::SHIFT), Code::KeyR));
let menu_hotkey = vrec::hotkey::parse_hotkey(&config.menu_hotkey)
.unwrap_or_else(|| HotKey::new(Some(Modifiers::ALT), Code::KeyZ));
if let Err(e) = manager.register(save_hotkey) {
eprintln!("Failed to register global hotkey! Wayland compositor might be blocking it: {}", e);

1
src/capture/mod.rs
View file

@ -35,3 +35,4 @@ pub trait FrameSource: Send {
fn next_frame(&mut self) -> Result<Frame, Box<dyn std::error::Error + Send + Sync>>;
}
pub mod mock;
pub mod audio;

138
src/encoder.rs
View file

@ -220,3 +220,141 @@ impl Drop for VaapiEncoder {
}
}
}
pub struct AudioEncoder {
codec_ctx: *mut AVCodecContext,
swr_ctx: *mut SwrContext,
next_pts: i64,
frame_size: i32,
channels: i32,
fifo: *mut AVAudioFifo,
}
impl AudioEncoder {
pub fn new(sample_rate: i32, channels: i32) -> Result<Self, String> {
unsafe {
let codec = avcodec_find_encoder(AVCodecID::AV_CODEC_ID_AAC);
if codec.is_null() {
return Err("AAC encoder not found".into());
}
let codec_ctx = avcodec_alloc_context3(codec);
(*codec_ctx).sample_rate = sample_rate;
(*codec_ctx).ch_layout.nb_channels = channels;
// AAC requires FLTP (planar float)
(*codec_ctx).sample_fmt = AVSampleFormat::AV_SAMPLE_FMT_FLTP;
(*codec_ctx).bit_rate = 192_000;
// For older ffmpeg compatibility:
(*codec_ctx).channel_layout = if channels == 2 { AV_CH_LAYOUT_STEREO } else { AV_CH_LAYOUT_MONO } as u64;
let ret = avcodec_open2(codec_ctx, codec, std::ptr::null_mut());
if ret < 0 {
return Err("Failed to open AAC encoder".into());
}
// Create SwrContext to convert from interleaved F32 (AV_SAMPLE_FMT_FLT) to planar F32 (AV_SAMPLE_FMT_FLTP)
let mut swr_ctx = swr_alloc();
av_opt_set_int(swr_ctx as _, c"in_channel_layout".as_ptr(), (*codec_ctx).channel_layout as i64, 0);
av_opt_set_int(swr_ctx as _, c"in_sample_rate".as_ptr(), sample_rate as i64, 0);
av_opt_set_sample_fmt(swr_ctx as _, c"in_sample_fmt".as_ptr(), AVSampleFormat::AV_SAMPLE_FMT_FLT, 0);
av_opt_set_int(swr_ctx as _, c"out_channel_layout".as_ptr(), (*codec_ctx).channel_layout as i64, 0);
av_opt_set_int(swr_ctx as _, c"out_sample_rate".as_ptr(), sample_rate as i64, 0);
av_opt_set_sample_fmt(swr_ctx as _, c"out_sample_fmt".as_ptr(), AVSampleFormat::AV_SAMPLE_FMT_FLTP, 0);
swr_init(swr_ctx);
let frame_size = (*codec_ctx).frame_size;
let fifo = av_audio_fifo_alloc(AVSampleFormat::AV_SAMPLE_FMT_FLTP, channels, 1024 * 10);
Ok(Self {
codec_ctx,
swr_ctx,
next_pts: 0,
frame_size,
channels,
fifo,
})
}
}
pub fn codec_ctx(&self) -> *mut AVCodecContext {
self.codec_ctx
}
pub fn encode_pcm(&mut self, data: &[f32]) -> Result<Vec<crate::ring::Packet>, String> {
let mut packets = Vec::new();
unsafe {
let nb_samples = data.len() as i32 / self.channels;
// Allocate input frame (interleaved FLT)
let mut in_frame = av_frame_alloc();
(*in_frame).nb_samples = nb_samples;
(*in_frame).format = AVSampleFormat::AV_SAMPLE_FMT_FLT as i32;
(*in_frame).channel_layout = (*self.codec_ctx).channel_layout;
(*in_frame).sample_rate = (*self.codec_ctx).sample_rate;
av_frame_get_buffer(in_frame, 0);
std::slice::from_raw_parts_mut((*in_frame).data[0], data.len() * 4)
.copy_from_slice(std::slice::from_raw_parts(data.as_ptr() as *const u8, data.len() * 4));
// Allocate output frame (planar FLTP)
let mut out_frame = av_frame_alloc();
(*out_frame).nb_samples = nb_samples;
(*out_frame).format = AVSampleFormat::AV_SAMPLE_FMT_FLTP as i32;
(*out_frame).channel_layout = (*self.codec_ctx).channel_layout;
(*out_frame).sample_rate = (*self.codec_ctx).sample_rate;
av_frame_get_buffer(out_frame, 0);
swr_convert(
self.swr_ctx,
(*out_frame).data.as_mut_ptr(),
nb_samples,
(*in_frame).data.as_ptr() as *const *const u8,
nb_samples
);
av_audio_fifo_write(self.fifo, (*out_frame).data.as_mut_ptr() as *mut *mut std::ffi::c_void, nb_samples);
av_frame_free(&mut in_frame);
av_frame_free(&mut out_frame);
// Read exactly frame_size chunks from FIFO and encode
while av_audio_fifo_size(self.fifo) >= self.frame_size {
let mut enc_frame = av_frame_alloc();
(*enc_frame).nb_samples = self.frame_size;
(*enc_frame).format = AVSampleFormat::AV_SAMPLE_FMT_FLTP as i32;
(*enc_frame).channel_layout = (*self.codec_ctx).channel_layout;
(*enc_frame).sample_rate = (*self.codec_ctx).sample_rate;
av_frame_get_buffer(enc_frame, 0);
av_audio_fifo_read(self.fifo, (*enc_frame).data.as_mut_ptr() as *mut *mut std::ffi::c_void, self.frame_size);
(*enc_frame).pts = self.next_pts;
self.next_pts += self.frame_size as i64;
if avcodec_send_frame(self.codec_ctx, enc_frame) >= 0 {
let mut pkt = av_packet_alloc();
while avcodec_receive_packet(self.codec_ctx, pkt) >= 0 {
let new_pkt = av_packet_alloc();
av_packet_move_ref(new_pkt, pkt);
packets.push(crate::ring::Packet::new(new_pkt));
}
av_packet_free(&mut pkt);
}
av_frame_free(&mut enc_frame);
}
}
Ok(packets)
}
}
impl Drop for AudioEncoder {
fn drop(&mut self) {
unsafe {
av_audio_fifo_free(self.fifo);
swr_free(&mut self.swr_ctx);
avcodec_free_context(&mut self.codec_ctx);
}
}
}

64
src/hotkey.rs
View file

@ -1,19 +1,53 @@
use global_hotkey::{GlobalHotKeyManager, hotkey::{HotKey, Modifiers, Code}, GlobalHotKeyEvent};
use crossbeam_channel::Sender;
use global_hotkey::hotkey::{HotKey, Modifiers, Code};
pub fn run_hotkey_listener(trigger_tx: Sender<()>) -> Result<(), Box<dyn std::error::Error>> {
let manager = GlobalHotKeyManager::new()?;
let hotkey = HotKey::new(Some(Modifiers::ALT), Code::KeyZ);
manager.register(hotkey)?;
println!("Registered global hotkey Ctrl+Shift+R to trigger replay save.");
let receiver = GlobalHotKeyEvent::receiver();
loop {
if let Ok(event) = receiver.recv()
&& event.id == hotkey.id() && event.state == global_hotkey::HotKeyState::Pressed {
println!("Hotkey triggered! Saving replay...");
let _ = trigger_tx.send(());
pub fn parse_hotkey(s: &str) -> Option<HotKey> {
let mut mods = Modifiers::empty();
let mut code = None;
for part in s.split('+') {
let p = part.trim().to_lowercase();
match p.as_str() {
"ctrl" | "control" => mods |= Modifiers::CONTROL,
"shift" => mods |= Modifiers::SHIFT,
"alt" => mods |= Modifiers::ALT,
"meta" | "super" | "windows" | "cmd" => mods |= Modifiers::META,
_ => {
// simple mapping
code = match p.as_str() {
"a" => Some(Code::KeyA),
"b" => Some(Code::KeyB),
"c" => Some(Code::KeyC),
"d" => Some(Code::KeyD),
"e" => Some(Code::KeyE),
"f" => Some(Code::KeyF),
"g" => Some(Code::KeyG),
"h" => Some(Code::KeyH),
"i" => Some(Code::KeyI),
"j" => Some(Code::KeyJ),
"k" => Some(Code::KeyK),
"l" => Some(Code::KeyL),
"m" => Some(Code::KeyM),
"n" => Some(Code::KeyN),
"o" => Some(Code::KeyO),
"p" => Some(Code::KeyP),
"q" => Some(Code::KeyQ),
"r" => Some(Code::KeyR),
"s" => Some(Code::KeyS),
"t" => Some(Code::KeyT),
"u" => Some(Code::KeyU),
"v" => Some(Code::KeyV),
"w" => Some(Code::KeyW),
"x" => Some(Code::KeyX),
"y" => Some(Code::KeyY),
"z" => Some(Code::KeyZ),
_ => None,
};
}
}
}
if let Some(c) = code {
Some(HotKey::new(Some(mods), c))
} else {
None
}
}