start

simple_ffmpeg

Function start 

Source 
pub fn start(
    out_file: impl AsRef<OsStr>,
    width: usize,
    height: usize,
    fps: u32,
) -> Result<FFMpeg>
Expand description

Start the FFMPEG rendering

Alias for FFMpeg::start

Examples found in repository?
examples/bouncing-square.rs (line 26)
23fn main() -> ffmpeg::Result<()> {
24    let mut pixels: [Color; PIXEL_COUNT] = [0; PIXEL_COUNT];
25
26    let mut ffmpeg = ffmpeg::start("out.mp4", WIDTH, HEIGHT, FPS)?;
27
28    let mut x = 0;
29    let mut y = 0;
30    let mut dx = 1;
31    let mut dy = 1;
32    let w = 50;
33    let h = 50;
34    for _ in 0..(60 * FPS) {
35        pixels.fill(0);
36        draw_rect(&mut pixels, WIDTH, x, y, w, h, 0xFF00FF00);
37        ffmpeg.send_frame(&pixels)?;
38
39        let new_x = x + dx;
40        if (0..WIDTH as i32 - w).contains(&new_x) {
41            x = new_x;
42        } else {
43            dx *= -1;
44        }
45
46        let new_y = y + dy;
47        if (0..HEIGHT as i32 - h).contains(&new_y) {
48            y = new_y;
49        } else {
50            dy *= -1;
51        }
52    }
53
54    ffmpeg.finalize()?;
55
56    Ok(())
57}