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Encode AV1 with SVT-AV1 v4.2.0 (rtc + low delay + CBR) instead of libaom on all 64-bit targets; 32-bit targets keep aom. Decoding is unchanged and the wire format is still AV1, so old peers are unaffected. - vcpkg overlay port pinned to v4.2.0: static build, LTO off (mixed toolchain safety), MSVC >= 1950 inline workaround, no forced llvm binutils - low delay contract: one packet out per picture in, blocking get_packet - bitrate and frame rate change on the fly via RATE_CHANGE_EVENT / FRAME_RATE_CHANGE_EVENT; VideoQoS pushes its pacing rate through the new EncoderApi::set_fps, applied only after a successful send - fall back to aom for i444 (svt-av1 is 4:2:0 only), for unsupported resolutions and on encoder init failure - test_av1 now gates auto AV1 on the encoder actually used, the cached verdict is re-keyed (SVT-Y/SVT-N) so upgrades re-measure - unit tests: per-frame packet contract, aom cross-decode of the bitstream, on-the-fly event acceptance Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_012Wf7v1KJM6mbhiYxWSz4PH
Derived from https://github.com/quadrupleslap/scrap
scrap
Scrap records your screen! At least it does if you're on Windows, macOS, or Linux.
Usage
[dependencies]
scrap = "0.5"
Its API is as simple as it gets!
struct Display; /// A screen.
struct Frame; /// An array of the pixels that were on-screen.
struct Capturer; /// A recording instance.
impl Capturer {
/// Begin recording.
pub fn new(display: Display) -> io::Result<Capturer>;
/// Try to get a frame.
/// Returns WouldBlock if it's not ready yet.
pub fn frame<'a>(&'a mut self) -> io::Result<Frame<'a>>;
pub fn width(&self) -> usize;
pub fn height(&self) -> usize;
}
impl Display {
/// The primary screen.
pub fn primary() -> io::Result<Display>;
/// All the screens.
pub fn all() -> io::Result<Vec<Display>>;
pub fn width(&self) -> usize;
pub fn height(&self) -> usize;
}
impl<'a> ops::Deref for Frame<'a> {
/// A frame is just an array of bytes.
type Target = [u8];
}
The Frame Format
- The frame format is guaranteed to be packed BGRA.
- The width and height are guaranteed to remain constant.
- The stride might be greater than the width, and it may also vary between frames.
System Requirements
| OS | Minimum Requirements |
|---|---|
| macOS | macOS 10.8 |
| Linux | XCB + SHM + RandR |
| Windows | DirectX 11.1 |