The execution time jumped after the capture returned 0 bytes of data, increasing by 4-5 times.

[nooly1998]

scap = "0.0.8"
platform = macOS M2

[START] Executing function: get_capture...
[END] function: get_capture executed in 19.526167ms
捕获第 1 帧，数据大小: 20736000 字节
[h264_videotoolbox @ 0x13b7060e0] Color range not set for yuv420p. Using MPEG range.
send packets: 0
[START] Executing function: get_capture...
[END] function: get_capture executed in 7.063042ms
捕获第 2 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.411959ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.476167ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.603042ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.211417ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.164375ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.1005ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.536541ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.4045ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.548ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.940709ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.11225ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 6.784125ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 7.987875ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.67175ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.948792ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.402875ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.295417ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.208459ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.201334ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.419667ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.061541ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.868458ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.495917ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.950208ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 6.986791ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 7.831875ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.728625ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.297458ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.291958ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.736958ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.315917ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.127042ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.778875ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.595791ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.284334ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.152ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.226458ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.207333ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.396125ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.504042ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.609375ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.203875ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.564292ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.233292ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.388417ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.042083ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 2.167µs
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[START] Executing function: get_capture...
[END] function: get_capture executed in 3.891667ms
捕获第 50 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.689541ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.744709ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 1.75µs
捕获第 53 帧，数据大小: 0 字节
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.064167ms
捕获第 54 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.203667ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.447708ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.272625ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.16975ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.2265ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.11125ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.444333ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.340458ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.77875ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.189417ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.279208ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.095333ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.361959ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.506208ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.459084ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.989333ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.190792ms
捕获第 71 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.263084ms
捕获第 72 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 6.540041ms
捕获第 73 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.5575ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 6.97075ms
捕获第 75 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.243583ms
捕获第 76 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.640875ms
捕获第 77 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.069541ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.661292ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 6.516875ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.3965ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 17.175917ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.116625ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.701333ms
捕获第 84 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 12.626625ms
捕获第 85 帧，数据大小: 0 字节
[START] Executing function: get_capture...
[END] function: get_capture executed in 21.645292ms
捕获第 86 帧，数据大小: 20736000 字节
send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.76725ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 8.427542ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.270042ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.241708ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 12.270792ms
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[START] Executing function: get_capture...
[END] function: get_capture executed in 21.891792ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 3.523167ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 5.595333ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.942167ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.779209ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 22.359583ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 4.595708ms
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send packets: 1
[START] Executing function: get_capture...
[END] function: get_capture executed in 13.304417ms
捕获第 99 帧，数据大小: 0 字节
[START] Executing function: get_capture...
[END] function: get_capture executed in 24.253583ms
捕获第 100 帧，数据大小: 20736000 字节
send packets: 1

#[instrument]
fn get_capture(&mut self) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
    let frame = self.capture.get_next_frame()?;
    match frame {
        Frame::BGRA(frame) => {
            let buffer = frame.data;
            let width = frame.width;
            let height = frame.height;
            self.width = width as f64;
            self.height = height as f64;
            self.bytes_per_row = (width * 4) as u32;
            Ok(buffer)
        }
        _ => Err(Box::from("can not match frame type!")),
    }
}