1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251
#![allow(non_camel_case_types, non_snake_case)]
use crate::co;
use crate::decl::*;
use crate::kernel::ffi_types::*;
use crate::ole::privs::*;
use crate::prelude::*;
use crate::vt::*;
/// [`IMediaSeeking`](crate::IMediaSeeking) virtual table.
#[repr(C)]
pub struct IMediaSeekingVT {
pub IUnknownVT: IUnknownVT,
pub GetCapabilities: fn(COMPTR, *mut u32) -> HRES,
pub CheckCapabilities: fn(COMPTR, *mut u32) -> HRES,
pub IsFormatSupported: fn(COMPTR, PCVOID) -> HRES,
pub QueryPreferredFormat: fn(COMPTR, PVOID) -> HRES,
pub GetTimeFormat: fn(COMPTR, PVOID) -> HRES,
pub IsUsingTimeFormat: fn(COMPTR, PCVOID) -> HRES,
pub SetTimeFormat: fn(COMPTR, PCVOID) -> HRES,
pub GetDuration: fn(COMPTR, *mut i64) -> HRES,
pub GetStopPosition: fn(COMPTR, *mut i64) -> HRES,
pub GetCurrentPosition: fn(COMPTR, *mut i64) -> HRES,
pub ConvertTimeFormat: fn(COMPTR, *mut i64, PCVOID, i64, PCVOID) -> HRES,
pub SetPositions: fn(COMPTR, *mut i64, u32, *mut i64, u32) -> HRES,
pub GetPositions: fn(COMPTR, *mut i64, *mut i64) -> HRES,
pub GetAvailable: fn(COMPTR, *mut i64, *mut i64) -> HRES,
pub SetRate: fn(COMPTR, f64) -> HRES,
pub GetRate: fn(COMPTR, *mut f64) -> HRES,
pub GetPreroll: fn(COMPTR, *mut i64) -> HRES,
}
com_interface! { IMediaSeeking: "36b73880-c2c8-11cf-8b46-00805f6cef60";
/// [`IMediaSeeking`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nn-strmif-imediaseeking)
/// COM interface over [`IMediaSeekingVT`](crate::vt::IMediaSeekingVT). Inherits
/// from [`IUnknown`](crate::IUnknown).
///
/// Automatically calls
/// [`IUnknown::Release`](https://learn.microsoft.com/en-us/windows/win32/api/unknwn/nf-unknwn-iunknown-release)
/// when the object goes out of scope.
///
/// # Examples
///
/// ```no_run
/// use winsafe::{self as w, prelude::*};
///
/// let graph_builder: w::IGraphBuilder; // initialized somewhere
/// # let graph_builder = unsafe { w::IGraphBuilder::null() };
///
/// let media_seeking = graph_builder
/// .QueryInterface::<w::IMediaSeeking>()?;
/// # w::HrResult::Ok(())
/// ```
}
impl dshow_IMediaSeeking for IMediaSeeking {}
/// This trait is enabled with the `dshow` feature, and provides methods for
/// [`IMediaSeeking`](crate::IMediaSeeking).
///
/// Prefer importing this trait through the prelude:
///
/// ```no_run
/// use winsafe::prelude::*;
/// ```
pub trait dshow_IMediaSeeking: ole_IUnknown {
/// [`IMediaSeeking::ConvertTimeFormat`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-converttimeformat)
/// method.
#[must_use]
fn ConvertTimeFormat(&self,
target_format: &co::TIME_FORMAT,
source: i64,
source_format: &co::TIME_FORMAT,
) -> HrResult<i64>
{
let mut target = i64::default();
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).ConvertTimeFormat)(
self.ptr(),
&mut target,
target_format as *const _ as _,
source,
source_format as *const _ as _,
)
},
).map(|_| target)
}
/// [`IMediaSeeking::GetAvailable`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-getavailable)
/// method.
///
/// Returns earliest and latest times for efficient seeking.
#[must_use]
fn GetAvailable(&self) -> HrResult<(i64, i64)> {
let (mut early, mut late) = (i64::default(), i64::default());
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).GetPositions)(
self.ptr(),
&mut early,
&mut late,
)
},
).map(|_| (early, late))
}
/// [`IMediaSeeking::GetCurrentPosition method`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-getcurrentposition)
/// method.
#[must_use]
fn GetCurrentPosition(&self) -> HrResult<i64> {
let mut pos = i64::default();
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).GetCurrentPosition)(
self.ptr(),
&mut pos,
)
},
).map(|_| pos)
}
/// [`IMediaSeeking::GetDuration`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-getduration)
/// method.
#[must_use]
fn GetDuration(&self) -> HrResult<i64> {
let mut duration = i64::default();
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).GetDuration)(self.ptr(), &mut duration)
},
).map(|_| duration)
}
/// [`IMediaSeeking::GetPositions`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-getpositions)
/// method.
///
/// Returns current and stop positions.
#[must_use]
fn GetPositions(&self) -> HrResult<(i64, i64)> {
let (mut current, mut stop) = (i64::default(), i64::default());
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).GetPositions)(
self.ptr(),
&mut current,
&mut stop,
)
},
).map(|_| (current, stop))
}
/// [`IMediaSeeking::GetPreroll`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-getpreroll)
/// method.
#[must_use]
fn GetPreroll(&self) -> HrResult<i64> {
let mut preroll = i64::default();
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).GetPreroll)(self.ptr(), &mut preroll)
},
).map(|_| preroll)
}
/// [`IMediaSeeking::GetRate`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-getrate)
/// method.
#[must_use]
fn GetRate(&self) -> HrResult<f64> {
let mut rate = f64::default();
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).GetRate)(self.ptr(), &mut rate)
},
).map(|_| rate)
}
/// [`IMediaSeeking::GetStopPosition`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-getstopposition)
/// method.
#[must_use]
fn GetStopPosition(&self) -> HrResult<i64> {
let mut pos = i64::default();
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).GetStopPosition)(self.ptr(), &mut pos)
},
).map(|_| pos)
}
/// [`IMediaSeeking::GetTimeFormat`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-gettimeformat)
/// method.
#[must_use]
fn GetTimeFormat(&self) -> HrResult<co::TIME_FORMAT> {
let mut time_guid = co::TIME_FORMAT::NONE;
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).GetStopPosition)(
self.ptr(),
&mut time_guid as *mut _ as _,
)
},
).map(|_| time_guid)
}
/// [`IMediaSeeking::SetPositions`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-setpositions)
/// method.
fn SetPositions(&self,
current: i64,
current_flags: co::SEEKING_FLAGS,
stop: i64,
stop_flags: co::SEEKING_FLAGS,
) -> HrResult<()>
{
let (mut current, mut stop) = (current, stop);
match unsafe {
co::HRESULT::from_raw(
(vt::<IMediaSeekingVT>(self).SetPositions)(
self.ptr(),
&mut current,
current_flags.raw(),
&mut stop,
stop_flags.raw(),
) as _,
)
} {
co::HRESULT::S_OK
| co::HRESULT::S_FALSE => Ok(()),
hr => Err(hr),
}
}
/// [`IMediaSeeking::SetRate`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-setrate)
/// method.
fn SetRate(&self, rate: f64) -> HrResult<()> {
ok_to_hrresult(
unsafe { (vt::<IMediaSeekingVT>(self).SetRate)(self.ptr(), rate) },
)
}
/// [`IMediaSeeking::SetTimeFormat`](https://learn.microsoft.com/en-us/windows/win32/api/strmif/nf-strmif-imediaseeking-settimeformat)
/// method.
fn SetTimeFormat(&self, format: &co::TIME_FORMAT) -> HrResult<()> {
ok_to_hrresult(
unsafe {
(vt::<IMediaSeekingVT>(self).SetTimeFormat)(
self.ptr(),
format as *const _ as _,
)
},
)
}
}