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Signed-off-by: 21pages <pages21@163.com>
This commit is contained in:
21pages
2023-10-27 15:44:07 +08:00
parent 46a363cce4
commit f05f86dc80
80 changed files with 1182 additions and 1186 deletions
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40
libs/scrap/src/quartz/frame.rs
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@@ -5,8 +5,8 @@ use super::ffi::*;
pub struct Frame {
surface: IOSurfaceRef,
inner: &'static [u8],
i420: *mut u8,
i420_len: usize,
bgra: Vec<u8>,
bgra_stride: usize,
}
impl Frame {
@@ -24,8 +24,8 @@ impl Frame {
Frame {
surface,
inner,
i420: ptr::null_mut(),
i420_len: 0,
bgra: Vec::new(),
bgra_stride: 0,
}
}
@@ -34,23 +34,20 @@ impl Frame {
self.inner
}
pub fn nv12_to_i420<'a>(&'a mut self, w: usize, h: usize, i420: &'a mut Vec<u8>) {
pub fn stride(&self) -> usize {
self.bgra_stride
}
pub fn surface_to_bgra<'a>(&'a mut self, h: usize) {
unsafe {
let plane0 = IOSurfaceGetBaseAddressOfPlane(self.surface, 0);
let stride0 = IOSurfaceGetBytesPerRowOfPlane(self.surface, 0);
let plane1 = IOSurfaceGetBaseAddressOfPlane(self.surface, 1);
let stride1 = IOSurfaceGetBytesPerRowOfPlane(self.surface, 1);
crate::common::nv12_to_i420(
self.bgra_stride = IOSurfaceGetBytesPerRowOfPlane(self.surface, 0);
self.bgra.resize(self.bgra_stride * h, 0);
std::ptr::copy_nonoverlapping(
plane0 as _,
stride0 as _,
plane1 as _,
stride1 as _,
w,
h,
i420,
self.bgra.as_mut_ptr(),
self.bgra_stride * h,
);
self.i420 = i420.as_mut_ptr() as _;
self.i420_len = i420.len();
}
}
}
@@ -58,14 +55,7 @@ impl Frame {
impl ops::Deref for Frame {
type Target = [u8];
fn deref<'a>(&'a self) -> &'a [u8] {
if self.i420.is_null() {
self.inner
} else {
unsafe {
let inner = slice::from_raw_parts(self.i420 as *const u8, self.i420_len);
inner
}
}
&self.bgra
}
}