use std::num::NonZeroIsize;
use crate::{
common::{LeakManager, alert_error, format_file_filters, leak_and_forget_as_wide_string},
output::{FromRawAudioSamples, OutputInfo, OutputPlugin},
};
use aviutl2_sys::{
input2::WAVE_FORMAT_PCM,
output2::{LPCWSTR, WAVE_FORMAT_IEEE_FLOAT},
};
pub struct InternalOutputPluginState<T: Send + Sync + OutputPlugin> {
leak_manager: LeakManager,
instance: T,
}
impl<T: Send + Sync + OutputPlugin> InternalOutputPluginState<T> {
pub fn new(instance: T) -> Self {
Self {
leak_manager: LeakManager::new(),
instance,
}
}
}
impl FromRawAudioSamples for f32 {
const FORMAT: u32 = WAVE_FORMAT_IEEE_FLOAT;
unsafe fn from_raw(length: i32, num_channels: u32, frame_data_ptr: *const u8) -> Vec<Self> {
let frame_data_slice = unsafe {
std::slice::from_raw_parts(
frame_data_ptr as *const f32,
length as usize * num_channels as usize,
)
};
frame_data_slice.to_vec()
}
}
impl FromRawAudioSamples for i16 {
const FORMAT: u32 = WAVE_FORMAT_PCM;
unsafe fn from_raw(length: i32, num_channels: u32, frame_data_ptr: *const u8) -> Vec<Self> {
let frame_data_slice = unsafe {
std::slice::from_raw_parts(
frame_data_ptr as *const i16,
length as usize * num_channels as usize,
)
};
frame_data_slice.to_vec()
}
}
pub unsafe fn create_table<T: OutputPlugin>(
plugin_state: &InternalOutputPluginState<T>,
func_output: extern "C" fn(*mut aviutl2_sys::output2::OUTPUT_INFO) -> bool,
func_config: extern "C" fn(aviutl2_sys::output2::HWND, aviutl2_sys::output2::HINSTANCE) -> bool,
func_get_config_text: extern "C" fn() -> LPCWSTR,
) -> aviutl2_sys::output2::OUTPUT_PLUGIN_TABLE {
log::info!("Creating OUTPUT_PLUGIN_TABLE");
plugin_state.leak_manager.free_leaked_memory();
let plugin = &plugin_state.instance;
let plugin_info = plugin.plugin_info();
let filefilter = format_file_filters(&plugin_info.file_filters);
let name = if cfg!(debug_assertions) {
format!("{} (Debug)", plugin_info.name)
} else {
plugin_info.name
};
let information = if cfg!(debug_assertions) {
format!("{} (Debug Build)", plugin_info.information)
} else {
plugin_info.information
};
aviutl2_sys::output2::OUTPUT_PLUGIN_TABLE {
flag: plugin_info.output_type.to_bits(),
name: leak_and_forget_as_wide_string(&name),
filefilter: leak_and_forget_as_wide_string(&filefilter),
information: leak_and_forget_as_wide_string(&information),
func_output: Some(func_output),
func_config: plugin_info.can_config.then_some(func_config),
func_get_config_text: Some(func_get_config_text),
}
}
pub unsafe fn func_output<T: OutputPlugin>(
plugin_state: &InternalOutputPluginState<T>,
oip: *mut aviutl2_sys::output2::OUTPUT_INFO,
) -> bool {
plugin_state.leak_manager.free_leaked_memory();
let plugin = &plugin_state.instance;
let oip = unsafe { &mut *oip };
let output_info = OutputInfo::from_raw(oip);
match plugin.output(output_info) {
Ok(()) => true,
Err(e) => {
log::error!("Error during func_output: {}", e);
alert_error(&e);
false
}
}
}
pub unsafe fn func_config<T: OutputPlugin>(
plugin_state: &InternalOutputPluginState<T>,
hwnd: aviutl2_sys::output2::HWND,
dll_hinst: aviutl2_sys::output2::HINSTANCE,
) -> bool {
plugin_state.leak_manager.free_leaked_memory();
let plugin = &plugin_state.instance;
let mut handle =
raw_window_handle::Win32WindowHandle::new(NonZeroIsize::new(hwnd as isize).unwrap());
handle.hinstance = Some(NonZeroIsize::new(dll_hinst as isize).unwrap());
match plugin.config(handle) {
Ok(()) => true,
Err(e) => {
log::error!("Error during func_config: {}", e);
alert_error(&e);
false
}
}
}
pub unsafe fn func_get_config_text<T: OutputPlugin>(
plugin_state: &InternalOutputPluginState<T>,
) -> *const u16 {
plugin_state.leak_manager.free_leaked_memory();
let plugin = &plugin_state.instance;
let text = plugin.config_text();
match text {
Ok(text) => plugin_state.leak_manager.leak_as_wide_string(&text),
Err(e) => {
log::error!("Error during func_get_config_text: {}", e);
plugin_state
.leak_manager
.leak_as_wide_string(format!("エラー：{}", e).as_str())
}
}
}
#[macro_export]
macro_rules! register_output_plugin {
($struct:ident) => {
#[doc(hidden)]
mod __au2_register_output_plugin {
use super::$struct;
use $crate::output::OutputPlugin as _;
static PLUGIN: std::sync::LazyLock<
$crate::output::__bridge::InternalOutputPluginState<$struct>,
> = std::sync::LazyLock::new(|| {
$crate::output::__bridge::InternalOutputPluginState::new($struct::new())
});
#[unsafe(no_mangle)]
unsafe extern "C" fn GetOutputPluginTable()
-> *mut aviutl2::sys::output2::OUTPUT_PLUGIN_TABLE {
let table = unsafe {
$crate::output::__bridge::create_table::<$struct>(
&*PLUGIN,
func_output,
func_config,
func_get_config_text,
)
};
Box::into_raw(Box::new(table))
}
extern "C" fn func_output(oip: *mut aviutl2::sys::output2::OUTPUT_INFO) -> bool {
unsafe { $crate::output::__bridge::func_output(&*PLUGIN, oip) }
}
extern "C" fn func_config(
hwnd: aviutl2::sys::output2::HWND,
dll_hinst: aviutl2::sys::output2::HINSTANCE,
) -> bool {
unsafe { $crate::output::__bridge::func_config(&*PLUGIN, hwnd, dll_hinst) }
}
extern "C" fn func_get_config_text() -> *const u16 {
unsafe { $crate::output::__bridge::func_get_config_text(&*PLUGIN) }
}
}
};
}