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use crate::BaseParse;
use crate::BaseParseFrame;
use glib::prelude::*;
use glib::translate::*;
use gst::FormattedValue;
use std::convert::TryFrom;
use std::mem;
pub trait BaseParseExtManual: 'static {
#[doc(alias = "get_sink_pad")]
fn sink_pad(&self) -> gst::Pad;
#[doc(alias = "get_src_pad")]
fn src_pad(&self) -> gst::Pad;
fn set_duration<V: Into<gst::GenericFormattedValue>>(&self, duration: V, interval: u32);
fn set_frame_rate(&self, fps: gst::Fraction, lead_in: u32, lead_out: u32);
fn convert_default<V: Into<gst::GenericFormattedValue>, U: gst::SpecificFormattedValue>(
&self,
src_val: V,
) -> Option<U>;
fn convert_default_generic<V: Into<gst::GenericFormattedValue>>(
&self,
src_val: V,
dest_format: gst::Format,
) -> Option<gst::GenericFormattedValue>;
fn finish_frame(
&self,
frame: BaseParseFrame,
size: u32,
) -> Result<gst::FlowSuccess, gst::FlowError>;
}
impl<O: IsA<BaseParse>> BaseParseExtManual for O {
fn sink_pad(&self) -> gst::Pad {
unsafe {
let elt: &ffi::GstBaseParse = &*(self.as_ptr() as *const _);
from_glib_none(elt.sinkpad)
}
}
fn src_pad(&self) -> gst::Pad {
unsafe {
let elt: &ffi::GstBaseParse = &*(self.as_ptr() as *const _);
from_glib_none(elt.srcpad)
}
}
fn set_duration<V: Into<gst::GenericFormattedValue>>(&self, duration: V, interval: u32) {
let duration = duration.into();
unsafe {
ffi::gst_base_parse_set_duration(
self.as_ref().to_glib_none().0,
duration.format().into_glib(),
duration.value(),
interval as i32,
);
}
}
fn set_frame_rate(&self, fps: gst::Fraction, lead_in: u32, lead_out: u32) {
let (fps_num, fps_den) = fps.into();
unsafe {
ffi::gst_base_parse_set_frame_rate(
self.as_ref().to_glib_none().0,
fps_num as u32,
fps_den as u32,
lead_in,
lead_out,
);
}
}
fn convert_default<V: Into<gst::GenericFormattedValue>, U: gst::SpecificFormattedValue>(
&self,
src_val: V,
) -> Option<U> {
let src_val = src_val.into();
unsafe {
let mut dest_val = mem::MaybeUninit::uninit();
let ret = from_glib(ffi::gst_base_parse_convert_default(
self.as_ref().to_glib_none().0,
src_val.format().into_glib(),
src_val.to_raw_value(),
U::default_format().into_glib(),
dest_val.as_mut_ptr(),
));
if ret {
Some(U::from_raw(U::default_format(), dest_val.assume_init()))
} else {
None
}
}
}
fn convert_default_generic<V: Into<gst::GenericFormattedValue>>(
&self,
src_val: V,
dest_format: gst::Format,
) -> Option<gst::GenericFormattedValue> {
let src_val = src_val.into();
unsafe {
let mut dest_val = mem::MaybeUninit::uninit();
let ret = from_glib(ffi::gst_base_parse_convert_default(
self.as_ref().to_glib_none().0,
src_val.format().into_glib(),
src_val.to_raw_value(),
dest_format.into_glib(),
dest_val.as_mut_ptr(),
));
if ret {
Some(gst::GenericFormattedValue::new(
dest_format,
dest_val.assume_init(),
))
} else {
None
}
}
}
fn finish_frame(
&self,
frame: BaseParseFrame,
size: u32,
) -> Result<gst::FlowSuccess, gst::FlowError> {
unsafe {
gst::FlowSuccess::try_from_glib(ffi::gst_base_parse_finish_frame(
self.as_ref().to_glib_none().0,
frame.to_glib_none().0,
i32::try_from(size).expect("size higher than i32::MAX"),
))
}
}
}