playa-ffmpeg 8.0.3

Safe FFmpeg wrapper with vcpkg integration for simplified cross-platform builds (FFmpeg 8.0, Rust 2024)
Documentation 
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

use super::Context;
use crate::{Error, Frame, Rational, ffi::*};
use libc::c_int;

pub struct Sink<'a> {
    ctx: &'a mut Context,
}

impl<'a> Sink<'a> {
    pub unsafe fn wrap(ctx: &'a mut Context) -> Self {
        Self { ctx }
    }
}

impl<'a> Sink<'a> {
    pub fn frame(&mut self, frame: &mut Frame) -> Result<(), Error> {
        unsafe {
            match av_buffersink_get_frame(self.ctx.as_mut_ptr(), frame.as_mut_ptr()) {
                n if n >= 0 => Ok(()),
                e => Err(Error::from(e)),
            }
        }
    }

    pub fn samples(&mut self, frame: &mut Frame, samples: usize) -> Result<(), Error> {
        unsafe {
            match av_buffersink_get_samples(self.ctx.as_mut_ptr(), frame.as_mut_ptr(), samples as c_int) {
                n if n >= 0 => Ok(()),
                e => Err(Error::from(e)),
            }
        }
    }

    pub fn set_frame_size(&mut self, value: u32) {
        unsafe {
            av_buffersink_set_frame_size(self.ctx.as_mut_ptr(), value);
        }
    }

    pub fn time_base(&self) -> Rational {
        unsafe { av_buffersink_get_time_base(self.ctx.as_ptr()) }.into()
    }
}