spice-client 0.2.0

A pure Rust SPICE client library with native and WebAssembly support
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69

use crate::multimedia::{
    audio::{AudioFormat, AudioOutput},
    AudioSpec, MultimediaError, Result,
};

pub struct WasmAudio {
    spec: Option<AudioSpec>,
    format: Option<AudioFormat>,
    volume: f32,
    paused: bool,
}

impl WasmAudio {
    pub fn new() -> Result<Self> {
        Ok(Self {
            spec: None,
            format: None,
            volume: 1.0,
            paused: false,
        })
    }
}

impl AudioOutput for WasmAudio {
    fn initialize(&mut self, spec: AudioSpec, format: AudioFormat) -> Result<()> {
        self.spec = Some(spec);
        self.format = Some(format);
        // TODO: Initialize Web Audio API context
        Ok(())
    }

    fn queue_samples(&mut self, _samples: &[u8]) -> Result<()> {
        // TODO: Queue samples to Web Audio API
        Ok(())
    }

    fn get_queued_size(&self) -> usize {
        0 // TODO: Track queued samples
    }

    fn clear_queue(&mut self) -> Result<()> {
        // TODO: Clear audio queue
        Ok(())
    }

    fn set_volume(&mut self, volume: f32) -> Result<()> {
        self.volume = volume.clamp(0.0, 1.0);
        // TODO: Set gain node value
        Ok(())
    }

    fn get_volume(&self) -> f32 {
        self.volume
    }

    fn pause(&mut self, paused: bool) -> Result<()> {
        self.paused = paused;
        // TODO: Pause/resume audio context
        Ok(())
    }

    fn is_paused(&self) -> bool {
        self.paused
    }

    fn get_spec(&self) -> Option<&AudioSpec> {
        self.spec.as_ref()
    }
}