playa_ffmpeg/filter/context/
sink.rs

1use super::Context;
2use crate::{Error, Frame, Rational, ffi::*};
3use libc::c_int;
4
5pub struct Sink<'a> {
6    ctx: &'a mut Context,
7}
8
9impl<'a> Sink<'a> {
10    pub unsafe fn wrap(ctx: &'a mut Context) -> Self {
11        Self { ctx }
12    }
13}
14
15impl<'a> Sink<'a> {
16    pub fn frame(&mut self, frame: &mut Frame) -> Result<(), Error> {
17        unsafe {
18            match av_buffersink_get_frame(self.ctx.as_mut_ptr(), frame.as_mut_ptr()) {
19                n if n >= 0 => Ok(()),
20                e => Err(Error::from(e)),
21            }
22        }
23    }
24
25    pub fn samples(&mut self, frame: &mut Frame, samples: usize) -> Result<(), Error> {
26        unsafe {
27            match av_buffersink_get_samples(self.ctx.as_mut_ptr(), frame.as_mut_ptr(), samples as c_int) {
28                n if n >= 0 => Ok(()),
29                e => Err(Error::from(e)),
30            }
31        }
32    }
33
34    pub fn set_frame_size(&mut self, value: u32) {
35        unsafe {
36            av_buffersink_set_frame_size(self.ctx.as_mut_ptr(), value);
37        }
38    }
39
40    pub fn time_base(&self) -> Rational {
41        unsafe { av_buffersink_get_time_base(self.ctx.as_ptr()) }.into()
42    }
43}
playa_ffmpeg/filter/context/sink.rs

playa_ffmpeg/filter/context/
sink.rs
