Struct Sink

Source

pub struct Sink<'a> { /* private fields */ }

Implementations§

Source §

pub fn frame(&mut self, frame: &mut Frame) -> Result<(), Error>

Examples found in repository ?

examples/transcode-audio.rs (line 170)

163    fn get_and_process_filtered_frames(&mut self, octx: &mut format::context::Output) {
164        let mut filtered = frame::Audio::empty();
165        while self
166            .filter
167            .get("out")
168            .unwrap()
169            .sink()
170            .frame(&mut filtered)
171            .is_ok()
172        {
173            self.send_frame_to_encoder(&filtered);
174            self.receive_and_process_encoded_packets(octx);
175        }
176    }

Source

pub fn samples( &mut self, frame: &mut Frame, samples: usize, ) -> Result<(), Error>

Source

pub fn set_frame_size(&mut self, value: u32)

Examples found in repository ?

examples/transcode-audio.rs (line 49)

9fn filter(
10    spec: &str,
11    decoder: &codec::decoder::Audio,
12    encoder: &codec::encoder::Audio,
13) -> Result<filter::Graph, ffmpeg::Error> {
14    let mut filter = filter::Graph::new();
15
16    let args = format!(
17        "time_base={}:sample_rate={}:sample_fmt={}:channel_layout=0x{:x}",
18        decoder.time_base(),
19        decoder.rate(),
20        decoder.format().name(),
21        decoder.channel_layout().bits()
22    );
23
24    filter.add(&filter::find("abuffer").unwrap(), "in", &args)?;
25    filter.add(&filter::find("abuffersink").unwrap(), "out", "")?;
26
27    {
28        let mut out = filter.get("out").unwrap();
29
30        out.set_sample_format(encoder.format());
31        out.set_channel_layout(encoder.channel_layout());
32        out.set_sample_rate(encoder.rate());
33    }
34
35    filter.output("in", 0)?.input("out", 0)?.parse(spec)?;
36    filter.validate()?;
37
38    println!("{}", filter.dump());
39
40    if let Some(codec) = encoder.codec() {
41        if !codec
42            .capabilities()
43            .contains(ffmpeg::codec::capabilities::Capabilities::VARIABLE_FRAME_SIZE)
44        {
45            filter
46                .get("out")
47                .unwrap()
48                .sink()
49                .set_frame_size(encoder.frame_size());
50        }
51    }
52
53    Ok(filter)
54}