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 166)

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

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 48)

8fn filter(
9    spec: &str,
10    decoder: &codec::decoder::Audio,
11    encoder: &codec::encoder::Audio,
12) -> Result<filter::Graph, ffmpeg_rs::Error> {
13    let mut filter = filter::Graph::new();
14
15    let args = format!(
16        "time_base={}:sample_rate={}:sample_fmt={}:channel_layout=0x{:x}",
17        decoder.time_base(),
18        decoder.rate(),
19        decoder.format().name(),
20        decoder.channel_layout().bits()
21    );
22
23    filter.add(&filter::find("abuffer").unwrap(), "in", &args)?;
24    filter.add(&filter::find("abuffersink").unwrap(), "out", "")?;
25
26    {
27        let mut out = filter.get("out").unwrap();
28
29        out.set_sample_format(encoder.format());
30        out.set_channel_layout(encoder.channel_layout());
31        out.set_sample_rate(encoder.rate());
32    }
33
34    filter.output("in", 0)?.input("out", 0)?.parse(spec)?;
35    filter.validate()?;
36
37    println!("{}", filter.dump());
38
39    if let Some(codec) = encoder.codec() {
40        if !codec
41            .capabilities()
42            .contains(ffmpeg_rs::codec::capabilities::Capabilities::VARIABLE_FRAME_SIZE)
43        {
44            filter
45                .get("out")
46                .unwrap()
47                .sink()
48                .set_frame_size(encoder.frame_size());
49        }
50    }
51
52    Ok(filter)
53}