Screen Capturing and Encoding (#2)
* prototype * add scrap with DXGI * prototype * openh264 prototype * fixes * x264 prototype * fix ips * refactoring * refactor * refactoring * add params
This commit is contained in:
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|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.46"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "94e2ef8dbfc347b10c094890f778ee2e36ca9bb4262e86dc99cd217e35f3470b"
|
||||
dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quick-error"
|
||||
version = "1.2.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "1.0.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex"
|
||||
version = "1.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
|
||||
dependencies = [
|
||||
"aho-corasick",
|
||||
"memchr",
|
||||
"regex-syntax",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex-syntax"
|
||||
version = "0.6.27"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
|
||||
|
||||
[[package]]
|
||||
name = "rustc-demangle"
|
||||
version = "0.1.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
|
||||
|
||||
[[package]]
|
||||
name = "rustc-hash"
|
||||
version = "1.1.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
|
||||
|
||||
[[package]]
|
||||
name = "shlex"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "1.0.102"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3fcd952facd492f9be3ef0d0b7032a6e442ee9b361d4acc2b1d0c4aaa5f613a1"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "synstructure"
|
||||
version = "0.12.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f36bdaa60a83aca3921b5259d5400cbf5e90fc51931376a9bd4a0eb79aa7210f"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "termcolor"
|
||||
version = "1.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
|
||||
dependencies = [
|
||||
"winapi-util",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "textwrap"
|
||||
version = "0.11.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
|
||||
dependencies = [
|
||||
"unicode-width",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "toml"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "736b60249cb25337bc196faa43ee12c705e426f3d55c214d73a4e7be06f92cb4"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-width"
|
||||
version = "0.1.10"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
|
||||
|
||||
[[package]]
|
||||
name = "vec_map"
|
||||
version = "0.8.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
|
||||
|
||||
[[package]]
|
||||
name = "which"
|
||||
version = "3.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d011071ae14a2f6671d0b74080ae0cd8ebf3a6f8c9589a2cd45f23126fe29724"
|
||||
dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-util"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
|
||||
dependencies = [
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "windows"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0286ba339aa753e70765d521bb0242cc48e1194562bfa2a2ad7ac8a6de28f5d5"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.42.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
|
||||
|
||||
[[package]]
|
||||
name = "x264-sys"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5ed8f9c5101e193216a32330eb68fea45ac2b9fb2e7327bf61896b9262b373ec"
|
||||
dependencies = [
|
||||
"bindgen",
|
||||
"metadeps",
|
||||
]
|
||||
+39
@@ -0,0 +1,39 @@
|
||||
[package]
|
||||
name = "mira_sharer"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
[profile.release]
|
||||
debug = true
|
||||
|
||||
[dependencies]
|
||||
x264-sys = "0.2.0"
|
||||
failure = "0.1.8"
|
||||
clap = { version = "4.0.14", features = ["derive"] }
|
||||
|
||||
[dependencies.windows]
|
||||
version = "0.42.0"
|
||||
features = [
|
||||
"Data_Xml_Dom",
|
||||
"Foundation",
|
||||
"Win32_Foundation",
|
||||
"Win32_Security",
|
||||
"Win32_System_Threading",
|
||||
"Win32_UI_WindowsAndMessaging",
|
||||
"Win32_Graphics_Gdi",
|
||||
"Win32_System_WinRT",
|
||||
"Win32_System_WinRT_Graphics_Capture",
|
||||
"Win32_Graphics_Direct3D",
|
||||
"Win32_Graphics_Direct3D11",
|
||||
"Win32_Graphics_Dwm",
|
||||
"Win32_Graphics_Gdi",
|
||||
"Win32_Graphics_Dxgi",
|
||||
"Win32_Graphics_Dxgi_Common",
|
||||
"Graphics",
|
||||
"Graphics_Capture",
|
||||
"Graphics_DirectX",
|
||||
"Graphics_DirectX_Direct3D11",
|
||||
"Graphics_Imaging",
|
||||
"Win32_System_WinRT_Direct3D11",
|
||||
]
|
||||
@@ -0,0 +1,12 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<module type="RUST_MODULE" version="4">
|
||||
<component name="NewModuleRootManager" inherit-compiler-output="true">
|
||||
<exclude-output />
|
||||
<content url="file://$MODULE_DIR$">
|
||||
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
|
||||
<excludeFolder url="file://$MODULE_DIR$/target" />
|
||||
</content>
|
||||
<orderEntry type="inheritedJdk" />
|
||||
<orderEntry type="sourceFolder" forTests="false" />
|
||||
</component>
|
||||
</module>
|
||||
@@ -0,0 +1,9 @@
|
||||
use crate::{Encoder, OutputSink, Result};
|
||||
|
||||
pub trait ScreenCapture {
|
||||
fn capture(&mut self, encoder: &mut dyn Encoder, output: &mut dyn OutputSink) -> Result<()>;
|
||||
}
|
||||
|
||||
mod wgc_capture;
|
||||
|
||||
pub use wgc_capture::WGCScreenCapture;
|
||||
@@ -0,0 +1,99 @@
|
||||
use std::slice;
|
||||
use std::sync::mpsc::channel;
|
||||
use windows::core::{IInspectable, Interface};
|
||||
use windows::Foundation::TypedEventHandler;
|
||||
use windows::Graphics::Capture::{Direct3D11CaptureFramePool, GraphicsCaptureItem};
|
||||
use windows::Graphics::DirectX::Direct3D11::IDirect3DSurface;
|
||||
use windows::Graphics::DirectX::DirectXPixelFormat;
|
||||
use windows::Win32::Graphics::Direct3D11::{D3D11_BIND_FLAG, D3D11_CPU_ACCESS_READ, D3D11_MAP_READ, D3D11_RESOURCE_MISC_FLAG, D3D11_TEXTURE2D_DESC, D3D11_USAGE_STAGING, ID3D11Device, ID3D11DeviceContext, ID3D11Resource, ID3D11Texture2D};
|
||||
use crate::result::Result;
|
||||
use crate::{d3d, OutputSink};
|
||||
use crate::encoder::Encoder;
|
||||
use super::ScreenCapture;
|
||||
|
||||
pub struct WGCScreenCapture<'a> {
|
||||
item: &'a GraphicsCaptureItem,
|
||||
device: ID3D11Device,
|
||||
d3d_context: ID3D11DeviceContext,
|
||||
frame_pool: Direct3D11CaptureFramePool,
|
||||
}
|
||||
|
||||
impl<'a> WGCScreenCapture<'a> {
|
||||
unsafe fn surface_to_texture(&mut self, surface: &IDirect3DSurface) -> Result<ID3D11Texture2D> {
|
||||
let source_texture: ID3D11Texture2D = d3d::get_d3d_interface_from_object(surface)?;
|
||||
let mut desc = D3D11_TEXTURE2D_DESC::default();
|
||||
source_texture.GetDesc(&mut desc);
|
||||
desc.BindFlags = D3D11_BIND_FLAG(0);
|
||||
desc.MiscFlags = D3D11_RESOURCE_MISC_FLAG(0);
|
||||
desc.Usage = D3D11_USAGE_STAGING;
|
||||
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
|
||||
let copy_texture = self.device.CreateTexture2D(&desc, None)?;
|
||||
let src: ID3D11Resource = source_texture.cast()?;
|
||||
let dst: ID3D11Resource = copy_texture.cast()?;
|
||||
self.d3d_context.CopyResource(&dst, &src);
|
||||
Ok(copy_texture)
|
||||
}
|
||||
|
||||
pub fn new(item: &'a GraphicsCaptureItem) -> Result<Self> {
|
||||
let item_size = item.Size()?;
|
||||
let (device, d3d_device, d3d_context) = d3d::create_direct3d_devices_and_context()?;
|
||||
let frame_pool = Direct3D11CaptureFramePool::CreateFreeThreaded(
|
||||
&d3d_device,
|
||||
DirectXPixelFormat::B8G8R8A8UIntNormalized,
|
||||
1,
|
||||
item_size,
|
||||
)?;
|
||||
Ok(Self {
|
||||
item,
|
||||
device,
|
||||
d3d_context,
|
||||
frame_pool,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
impl ScreenCapture for WGCScreenCapture<'_> {
|
||||
fn capture(&mut self, encoder: &mut dyn Encoder, output: &mut dyn OutputSink) -> Result<()> {
|
||||
let session = self.frame_pool.CreateCaptureSession(self.item)?;
|
||||
|
||||
let (sender, receiver) = channel();
|
||||
|
||||
self.frame_pool.FrameArrived(
|
||||
&TypedEventHandler::<Direct3D11CaptureFramePool, IInspectable>::new({
|
||||
move |frame_pool, _| {
|
||||
let frame_pool = frame_pool.as_ref().unwrap();
|
||||
let frame = frame_pool.TryGetNextFrame()?;
|
||||
sender.send(frame).unwrap();
|
||||
Ok(())
|
||||
}
|
||||
}),
|
||||
)?;
|
||||
|
||||
session.StartCapture()?;
|
||||
|
||||
let height = self.item.Size()?.Height as u32;
|
||||
while let Ok(frame) = receiver.recv() {
|
||||
unsafe {
|
||||
let texture = self.surface_to_texture(&frame.Surface()?)?;
|
||||
let resource: ID3D11Resource = texture.cast()?;
|
||||
let mapped = self.d3d_context.Map(&resource, 0, D3D11_MAP_READ, 0)?;
|
||||
let frame: &[u8] = slice::from_raw_parts(
|
||||
mapped.pData as *const _,
|
||||
(height * mapped.RowPitch) as usize,
|
||||
);
|
||||
let encoded = encoder.encode(frame).unwrap();
|
||||
output.write(encoded).unwrap();
|
||||
self.d3d_context.Unmap(&resource, 0);
|
||||
};
|
||||
}
|
||||
session.Close()?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for WGCScreenCapture<'_> {
|
||||
fn drop(&mut self) {
|
||||
self.frame_pool.Close().unwrap();
|
||||
}
|
||||
}
|
||||
|
||||
+73
@@ -0,0 +1,73 @@
|
||||
use windows::core::{Abi, Interface, Result};
|
||||
use windows::Graphics::DirectX::Direct3D11::IDirect3DDevice;
|
||||
use windows::Win32::Graphics::{
|
||||
Direct3D::{D3D_DRIVER_TYPE, D3D_DRIVER_TYPE_HARDWARE, D3D_DRIVER_TYPE_WARP},
|
||||
Direct3D11::{
|
||||
D3D11CreateDevice, ID3D11Device, D3D11_CREATE_DEVICE_BGRA_SUPPORT,
|
||||
D3D11_CREATE_DEVICE_FLAG, D3D11_SDK_VERSION,
|
||||
},
|
||||
Dxgi::{IDXGIDevice, DXGI_ERROR_UNSUPPORTED},
|
||||
};
|
||||
use windows::Win32::Graphics::Direct3D11::ID3D11DeviceContext;
|
||||
use windows::Win32::System::WinRT::Direct3D11::{
|
||||
CreateDirect3D11DeviceFromDXGIDevice, IDirect3DDxgiInterfaceAccess,
|
||||
};
|
||||
|
||||
fn create_d3d_device_with_type(
|
||||
driver_type: D3D_DRIVER_TYPE,
|
||||
flags: D3D11_CREATE_DEVICE_FLAG,
|
||||
device: *mut Option<ID3D11Device>,
|
||||
) -> Result<()> {
|
||||
unsafe {
|
||||
D3D11CreateDevice(
|
||||
None,
|
||||
driver_type,
|
||||
None,
|
||||
flags,
|
||||
None,
|
||||
D3D11_SDK_VERSION as u32,
|
||||
Some(device),
|
||||
None,
|
||||
None,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
fn create_d3d_device() -> Result<ID3D11Device> {
|
||||
let mut device = None;
|
||||
let mut result = create_d3d_device_with_type(
|
||||
D3D_DRIVER_TYPE_HARDWARE,
|
||||
D3D11_CREATE_DEVICE_BGRA_SUPPORT,
|
||||
&mut device,
|
||||
);
|
||||
if let Err(error) = &result {
|
||||
if error.code() == DXGI_ERROR_UNSUPPORTED {
|
||||
result = create_d3d_device_with_type(
|
||||
D3D_DRIVER_TYPE_WARP,
|
||||
D3D11_CREATE_DEVICE_BGRA_SUPPORT,
|
||||
&mut device,
|
||||
);
|
||||
}
|
||||
}
|
||||
result?;
|
||||
Ok(device.unwrap())
|
||||
}
|
||||
|
||||
pub fn create_direct3d_devices_and_context() -> Result<(ID3D11Device, IDirect3DDevice, ID3D11DeviceContext)> {
|
||||
let d3d_device = create_d3d_device()?;
|
||||
let d3d_context = unsafe {
|
||||
let mut d3d_context = None;
|
||||
d3d_device.GetImmediateContext(&mut d3d_context);
|
||||
d3d_context.unwrap()
|
||||
};
|
||||
let dxgi_device: IDXGIDevice = d3d_device.cast()?;
|
||||
let inspectable = unsafe { CreateDirect3D11DeviceFromDXGIDevice(&dxgi_device)? };
|
||||
let id3d_device: IDirect3DDevice = inspectable.cast()?;
|
||||
Ok((d3d_device, id3d_device, d3d_context))
|
||||
}
|
||||
|
||||
pub fn get_d3d_interface_from_object<S: Interface, R: Interface + Abi>(object: &S) -> Result<R> {
|
||||
let access: IDirect3DDxgiInterfaceAccess = object.cast()?;
|
||||
let object = unsafe { access.GetInterface::<R>()? };
|
||||
Ok(object)
|
||||
}
|
||||
@@ -0,0 +1,65 @@
|
||||
use windows::Graphics::Capture::GraphicsCaptureItem;
|
||||
use windows::Win32::Foundation::{BOOL, LPARAM, RECT};
|
||||
use windows::Win32::Graphics::Gdi::{
|
||||
EnumDisplayMonitors, GetMonitorInfoW, HDC, HMONITOR, MONITORINFOEXW,
|
||||
};
|
||||
use windows::Win32::System::WinRT::Graphics::Capture::IGraphicsCaptureItemInterop;
|
||||
|
||||
use crate::result::Result;
|
||||
|
||||
#[derive(Clone)]
|
||||
pub struct DisplayInfo {
|
||||
pub handle: HMONITOR,
|
||||
pub display_name: String,
|
||||
pub resolution: (u32, u32),
|
||||
}
|
||||
|
||||
impl DisplayInfo {
|
||||
pub fn displays() -> Result<Vec<Self>> {
|
||||
unsafe {
|
||||
let displays = Box::into_raw(Box::new(Vec::<DisplayInfo>::new()));
|
||||
EnumDisplayMonitors(
|
||||
HDC(0),
|
||||
None,
|
||||
Some(enum_monitor),
|
||||
LPARAM(displays as isize),
|
||||
);
|
||||
Ok(*Box::from_raw(displays))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn new(monitor_handle: HMONITOR) -> Result<Self> {
|
||||
let mut info = MONITORINFOEXW::default();
|
||||
info.monitorInfo.cbSize = std::mem::size_of::<MONITORINFOEXW>() as u32;
|
||||
|
||||
unsafe {
|
||||
GetMonitorInfoW(monitor_handle, &mut info as *mut _ as *mut _).ok()?;
|
||||
}
|
||||
|
||||
let display_name = String::from_utf16_lossy(&info.szDevice)
|
||||
.trim_matches(char::from(0))
|
||||
.to_string();
|
||||
|
||||
Ok(Self {
|
||||
handle: monitor_handle,
|
||||
display_name,
|
||||
resolution: ((info.monitorInfo.rcMonitor.right - info.monitorInfo.rcMonitor.left) as u32,
|
||||
(info.monitorInfo.rcMonitor.bottom - info.monitorInfo.rcMonitor.top) as u32),
|
||||
})
|
||||
}
|
||||
|
||||
pub fn create_capture_item_for_monitor(&self) -> Result<GraphicsCaptureItem> {
|
||||
let interop = windows::core::factory::<GraphicsCaptureItem, IGraphicsCaptureItemInterop>()?;
|
||||
Ok(unsafe { interop.CreateForMonitor(self.handle) }?)
|
||||
}
|
||||
}
|
||||
|
||||
// callback function for EnumDisplayMonitors
|
||||
extern "system" fn enum_monitor(monitor: HMONITOR, _: HDC, _: *mut RECT, state: LPARAM) -> BOOL {
|
||||
unsafe {
|
||||
// get the vector from the param, use leak because this function is not responsible for its lifetime
|
||||
let state = Box::leak(Box::from_raw(state.0 as *mut Vec<DisplayInfo>));
|
||||
state.push(DisplayInfo::new(monitor).unwrap());
|
||||
}
|
||||
true.into()
|
||||
}
|
||||
@@ -0,0 +1,86 @@
|
||||
use std::{mem, slice};
|
||||
use std::ptr::null_mut;
|
||||
use crate::result::Result;
|
||||
|
||||
use x264_sys::{
|
||||
X264_CSP_BGRA, x264_encoder_close, x264_encoder_encode, x264_encoder_open, x264_picture_clean,
|
||||
x264_param_default_preset, x264_picture_alloc, x264_t, x264_nal_t, x264_picture_t
|
||||
};
|
||||
|
||||
pub trait Encoder {
|
||||
fn encode(&mut self, input: &[u8]) -> Result<&[u8]>;
|
||||
}
|
||||
|
||||
pub struct X264Encoder {
|
||||
encoder: *mut x264_t,
|
||||
pic_in: x264_picture_t,
|
||||
pic_out: mem::MaybeUninit<x264_picture_t>,
|
||||
nal: *const x264_nal_t,
|
||||
nal_size: i32,
|
||||
}
|
||||
|
||||
impl X264Encoder {
|
||||
pub fn new(w: u32, h: u32) -> Self {
|
||||
let mut par = unsafe {
|
||||
let mut par = mem::MaybeUninit::uninit();
|
||||
x264_param_default_preset(
|
||||
par.as_mut_ptr(),
|
||||
b"ultrafast\0".as_ptr() as *const i8,
|
||||
b"zerolatency\0".as_ptr() as *const i8,
|
||||
);
|
||||
let mut par = par.assume_init();
|
||||
par.i_width = w as i32;
|
||||
par.i_height = h as i32;
|
||||
par.i_fps_num = 60;
|
||||
par.i_threads = 4;
|
||||
par.b_annexb = true as i32;
|
||||
par.i_csp = X264_CSP_BGRA as i32;
|
||||
par
|
||||
};
|
||||
|
||||
let pic_in = unsafe {
|
||||
let mut pic_in = mem::MaybeUninit::<x264_picture_t>::uninit();
|
||||
x264_picture_alloc(pic_in.as_mut_ptr(), par.i_csp, par.i_width, par.i_height);
|
||||
pic_in.assume_init()
|
||||
};
|
||||
|
||||
Self {
|
||||
encoder: unsafe { x264_encoder_open(&mut par) },
|
||||
pic_in,
|
||||
pic_out: mem::MaybeUninit::<x264_picture_t>::uninit(),
|
||||
nal: null_mut(),
|
||||
nal_size: 0,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Encoder for X264Encoder {
|
||||
fn encode(&mut self, input: &[u8]) -> Result<&[u8]> {
|
||||
self.pic_in.img.plane = [
|
||||
input.as_ptr() as *mut u8,
|
||||
null_mut(),
|
||||
null_mut(),
|
||||
null_mut(),
|
||||
];
|
||||
//pic_in.i_pts = ((frame_ms - start_relative_time.unwrap()) as f64 / (1.0 / 60.0 * 1000.0)).round() as i64;
|
||||
let frame_size = unsafe {
|
||||
x264_encoder_encode(
|
||||
self.encoder,
|
||||
&mut self.nal as *mut _ as *mut _,
|
||||
&mut self.nal_size,
|
||||
&mut self.pic_in,
|
||||
self.pic_out.as_mut_ptr()
|
||||
)
|
||||
};
|
||||
return Ok(unsafe { slice::from_raw_parts((*self.nal).p_payload, frame_size as usize) });
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for X264Encoder {
|
||||
fn drop(&mut self) {
|
||||
unsafe {
|
||||
x264_picture_clean(&mut self.pic_in);
|
||||
x264_encoder_close(self.encoder);
|
||||
}
|
||||
}
|
||||
}
|
||||
+43
@@ -0,0 +1,43 @@
|
||||
use crate::display::DisplayInfo;
|
||||
use crate::result::Result;
|
||||
use crate::capture::ScreenCapture;
|
||||
use crate::output::OutputSink;
|
||||
use crate::encoder::Encoder;
|
||||
use clap::Parser;
|
||||
|
||||
mod d3d;
|
||||
mod display;
|
||||
mod result;
|
||||
mod capture;
|
||||
mod encoder;
|
||||
mod output;
|
||||
|
||||
#[derive(Parser, Debug)]
|
||||
#[command(author, version, about, long_about = None)]
|
||||
struct Args {
|
||||
/// Display index
|
||||
#[arg(short, long, default_value = "0")]
|
||||
display: usize,
|
||||
}
|
||||
|
||||
fn main() -> Result<()> {
|
||||
let args = Args::parse();
|
||||
|
||||
let displays = DisplayInfo::displays()?;
|
||||
for (i, display) in displays.iter().enumerate() {
|
||||
println!(
|
||||
"display: {} {}x{} {}",
|
||||
display.display_name,
|
||||
display.resolution.0,
|
||||
display.resolution.1,
|
||||
if i==args.display { "(selected)" } else { "" },
|
||||
);
|
||||
}
|
||||
let display = displays.iter().nth(args.display).unwrap();
|
||||
let item = display.create_capture_item_for_monitor()?;
|
||||
let mut capture = capture::WGCScreenCapture::new(&item)?;
|
||||
let mut encoder = encoder::X264Encoder::new(display.resolution.0, display.resolution.1);
|
||||
let mut output = output::FileOutput::new("output.h264");
|
||||
capture.capture(&mut encoder, &mut output)?;
|
||||
Ok(())
|
||||
}
|
||||
@@ -0,0 +1,32 @@
|
||||
use std::fs::File;
|
||||
use std::io::Write;
|
||||
use crate::Result;
|
||||
|
||||
pub trait OutputSink {
|
||||
fn write(&mut self, input: &[u8]) -> Result<()>;
|
||||
}
|
||||
|
||||
pub struct FileOutput {
|
||||
file: File,
|
||||
}
|
||||
|
||||
impl FileOutput {
|
||||
pub fn new(path: &str) -> Self {
|
||||
Self {
|
||||
file: File::create(path).unwrap(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl OutputSink for FileOutput {
|
||||
fn write(&mut self, input: &[u8]) -> Result<()> {
|
||||
self.file.write_all(input)?;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for FileOutput {
|
||||
fn drop(&mut self) {
|
||||
self.file.flush().unwrap();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,3 @@
|
||||
use failure::Error;
|
||||
|
||||
pub type Result<T> = std::result::Result<T, Error>;
|
||||
Reference in New Issue
Block a user