playa_ffmpeg/filter/context/
source.rs

1use std::ptr;
2
3use super::Context;
4use crate::{Error, Frame, ffi::*};
5
6pub struct Source<'a> {
7    ctx: &'a mut Context,
8}
9
10impl<'a> Source<'a> {
11    pub unsafe fn wrap(ctx: &'a mut Context) -> Self {
12        Self { ctx }
13    }
14}
15
16impl<'a> Source<'a> {
17    pub fn failed_requests(&self) -> usize {
18        unsafe { av_buffersrc_get_nb_failed_requests(self.ctx.as_ptr() as *mut _) as usize }
19    }
20
21    pub fn add(&mut self, frame: &Frame) -> Result<(), Error> {
22        unsafe {
23            match av_buffersrc_add_frame(self.ctx.as_mut_ptr(), frame.as_ptr() as *mut _) {
24                0 => Ok(()),
25                e => Err(Error::from(e)),
26            }
27        }
28    }
29
30    pub fn flush(&mut self) -> Result<(), Error> {
31        unsafe { self.add(&Frame::wrap(ptr::null_mut())) }
32    }
33
34    pub fn close(&mut self, pts: i64) -> Result<(), Error> {
35        unsafe {
36            match av_buffersrc_close(self.ctx.as_mut_ptr(), pts, 0) {
37                0 => Ok(()),
38                e => Err(Error::from(e)),
39            }
40        }
41    }
42}
playa_ffmpeg/filter/context/source.rs

playa_ffmpeg/filter/context/
source.rs
