mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-06-02 21:39:24 +00:00
787 lines
24 KiB
Rust
787 lines
24 KiB
Rust
// Copyright (C) 2017,2018 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use libc;
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use ffi;
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use glib_ffi;
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use gst_ffi;
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use glib::translate::*;
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use prelude::*;
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use glib::subclass::prelude::*;
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use gst;
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use gst::subclass::prelude::*;
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use std::ptr;
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use Aggregator;
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use AggregatorClass;
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use AggregatorPad;
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pub trait AggregatorImpl: ElementImpl + Send + Sync + 'static {
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fn flush(&self, aggregator: &Aggregator) -> Result<gst::FlowSuccess, gst::FlowError> {
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self.parent_flush(aggregator)
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}
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fn clip(
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&self,
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aggregator: &Aggregator,
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aggregator_pad: &AggregatorPad,
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buffer: gst::Buffer,
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) -> Option<gst::Buffer> {
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self.parent_clip(aggregator, aggregator_pad, buffer)
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}
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fn finish_buffer(
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&self,
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aggregator: &Aggregator,
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buffer: gst::Buffer,
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) -> Result<gst::FlowSuccess, gst::FlowError> {
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self.parent_finish_buffer(aggregator, buffer)
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}
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fn sink_event(
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&self,
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aggregator: &Aggregator,
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aggregator_pad: &AggregatorPad,
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event: gst::Event,
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) -> bool {
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self.parent_sink_event(aggregator, aggregator_pad, event)
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}
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fn sink_query(
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&self,
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aggregator: &Aggregator,
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aggregator_pad: &AggregatorPad,
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query: &mut gst::QueryRef,
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) -> bool {
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self.parent_sink_query(aggregator, aggregator_pad, query)
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}
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fn src_event(&self, aggregator: &Aggregator, event: gst::Event) -> bool {
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self.parent_src_event(aggregator, event)
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}
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fn src_query(&self, aggregator: &Aggregator, query: &mut gst::QueryRef) -> bool {
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self.parent_src_query(aggregator, query)
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}
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fn src_activate(
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&self,
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aggregator: &Aggregator,
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mode: gst::PadMode,
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active: bool,
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) -> Result<(), gst::LoggableError> {
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self.parent_src_activate(aggregator, mode, active)
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}
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fn aggregate(
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&self,
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aggregator: &Aggregator,
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timeout: bool,
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) -> Result<gst::FlowSuccess, gst::FlowError>;
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fn start(&self, aggregator: &Aggregator) -> bool {
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self.parent_start(aggregator)
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}
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fn stop(&self, aggregator: &Aggregator) -> bool {
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self.parent_stop(aggregator)
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}
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fn get_next_time(&self, aggregator: &Aggregator) -> gst::ClockTime {
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self.parent_get_next_time(aggregator)
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}
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fn create_new_pad(
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&self,
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aggregator: &Aggregator,
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templ: &gst::PadTemplate,
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req_name: Option<&str>,
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caps: Option<&gst::CapsRef>,
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) -> Option<AggregatorPad> {
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self.parent_create_new_pad(aggregator, templ, req_name, caps)
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}
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fn update_src_caps(
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&self,
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aggregator: &Aggregator,
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caps: &gst::CapsRef,
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) -> Result<gst::Caps, gst::FlowError> {
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self.parent_update_src_caps(aggregator, caps)
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}
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fn fixate_src_caps(&self, aggregator: &Aggregator, caps: gst::Caps) -> gst::Caps {
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self.parent_fixate_src_caps(aggregator, caps)
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}
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fn negotiated_src_caps(
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&self,
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aggregator: &Aggregator,
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caps: &gst::CapsRef,
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) -> Result<(), gst::LoggableError> {
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self.parent_negotiated_src_caps(aggregator, caps)
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}
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fn parent_flush(&self, aggregator: &Aggregator) -> Result<gst::FlowSuccess, gst::FlowError> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.flush
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.map(|f| from_glib(f(aggregator.to_glib_none().0)))
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.unwrap_or(gst::FlowReturn::Ok)
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.into_result()
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}
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}
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fn parent_clip(
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&self,
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aggregator: &Aggregator,
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aggregator_pad: &AggregatorPad,
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buffer: gst::Buffer,
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) -> Option<gst::Buffer> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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match (*parent_class).clip {
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None => Some(buffer),
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Some(ref func) => from_glib_full(func(
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aggregator.to_glib_none().0,
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aggregator_pad.to_glib_none().0,
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buffer.into_ptr(),
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)),
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}
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}
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}
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fn parent_finish_buffer(
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&self,
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aggregator: &Aggregator,
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buffer: gst::Buffer,
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) -> Result<gst::FlowSuccess, gst::FlowError> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.finish_buffer
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.map(|f| from_glib(f(aggregator.to_glib_none().0, buffer.into_ptr())))
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.unwrap_or(gst::FlowReturn::Ok)
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.into_result()
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}
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}
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fn parent_sink_event(
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&self,
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aggregator: &Aggregator,
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aggregator_pad: &AggregatorPad,
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event: gst::Event,
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) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.sink_event
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.map(|f| {
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from_glib(f(
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aggregator.to_glib_none().0,
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aggregator_pad.to_glib_none().0,
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event.into_ptr(),
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))
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})
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.unwrap_or(false)
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}
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}
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fn parent_sink_query(
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&self,
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aggregator: &Aggregator,
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aggregator_pad: &AggregatorPad,
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query: &mut gst::QueryRef,
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) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.sink_query
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.map(|f| {
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from_glib(f(
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aggregator.to_glib_none().0,
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aggregator_pad.to_glib_none().0,
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query.as_mut_ptr(),
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))
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})
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.unwrap_or(false)
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}
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}
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fn parent_src_event(&self, aggregator: &Aggregator, event: gst::Event) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.src_event
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.map(|f| from_glib(f(aggregator.to_glib_none().0, event.into_ptr())))
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.unwrap_or(false)
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}
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}
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fn parent_src_query(&self, aggregator: &Aggregator, query: &mut gst::QueryRef) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.src_query
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.map(|f| from_glib(f(aggregator.to_glib_none().0, query.as_mut_ptr())))
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.unwrap_or(false)
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}
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}
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fn parent_src_activate(
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&self,
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aggregator: &Aggregator,
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mode: gst::PadMode,
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active: bool,
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) -> Result<(), gst::LoggableError> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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let f = (*parent_class).src_activate.ok_or_else(|| {
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gst_loggable_error!(
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gst::CAT_RUST,
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"Parent function `src_activate` is not defined"
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)
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})?;
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gst_result_from_gboolean!(
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f(
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aggregator.to_glib_none().0,
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mode.to_glib(),
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active.to_glib()
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),
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gst::CAT_RUST,
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"Parent function `src_activate` failed"
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)
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}
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}
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fn parent_aggregate(
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&self,
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aggregator: &Aggregator,
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timeout: bool,
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) -> Result<gst::FlowSuccess, gst::FlowError> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.aggregate
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.map(|f| from_glib(f(aggregator.to_glib_none().0, timeout.to_glib())))
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.unwrap_or(gst::FlowReturn::Error)
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.into_result()
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}
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}
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fn parent_start(&self, aggregator: &Aggregator) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.start
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.map(|f| from_glib(f(aggregator.to_glib_none().0)))
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.unwrap_or(false)
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}
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}
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fn parent_stop(&self, aggregator: &Aggregator) -> bool {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.stop
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.map(|f| from_glib(f(aggregator.to_glib_none().0)))
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.unwrap_or(false)
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}
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}
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fn parent_get_next_time(&self, aggregator: &Aggregator) -> gst::ClockTime {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.get_next_time
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.map(|f| from_glib(f(aggregator.to_glib_none().0)))
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.unwrap_or(gst::CLOCK_TIME_NONE)
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}
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}
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fn parent_create_new_pad(
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&self,
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aggregator: &Aggregator,
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templ: &gst::PadTemplate,
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req_name: Option<&str>,
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caps: Option<&gst::CapsRef>,
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) -> Option<AggregatorPad> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.create_new_pad
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.map(|f| {
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from_glib_full(f(
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aggregator.to_glib_none().0,
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templ.to_glib_none().0,
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req_name.to_glib_none().0,
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caps.map(|c| c.as_ptr()).unwrap_or(ptr::null()),
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))
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})
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.unwrap_or(None)
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}
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}
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fn parent_update_src_caps(
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&self,
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aggregator: &Aggregator,
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caps: &gst::CapsRef,
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) -> Result<gst::Caps, gst::FlowError> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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(*parent_class)
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.update_src_caps
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.map(|f| {
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let mut out_caps = ptr::null_mut();
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let flow_ret: gst::FlowReturn = from_glib(f(
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aggregator.to_glib_none().0,
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caps.as_mut_ptr(),
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&mut out_caps,
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));
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flow_ret.into_result_value(|| from_glib_full(out_caps))
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})
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.unwrap_or(Err(gst::FlowError::Error))
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}
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}
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fn parent_fixate_src_caps(&self, aggregator: &Aggregator, caps: gst::Caps) -> gst::Caps {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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match (*parent_class).fixate_src_caps {
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Some(ref f) => from_glib_full(f(aggregator.to_glib_none().0, caps.into_ptr())),
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None => caps,
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}
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}
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}
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fn parent_negotiated_src_caps(
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&self,
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aggregator: &Aggregator,
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caps: &gst::CapsRef,
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) -> Result<(), gst::LoggableError> {
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unsafe {
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let data = self.get_type_data();
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let parent_class = data.as_ref().get_parent_class() as *mut ffi::GstAggregatorClass;
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let f = (*parent_class).negotiated_src_caps.ok_or_else(|| {
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gst_loggable_error!(
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gst::CAT_RUST,
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"Parent function `negotiated_src_caps` is not defined"
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)
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})?;
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gst_result_from_gboolean!(
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f(aggregator.to_glib_none().0, caps.as_mut_ptr()),
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gst::CAT_RUST,
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"Parent function `negotiated_src_caps` failed"
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)
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}
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}
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}
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unsafe impl<T: ObjectSubclass + AggregatorImpl> IsSubclassable<T> for AggregatorClass
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where
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<T as ObjectSubclass>::Instance: PanicPoison,
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{
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fn override_vfuncs(&mut self) {
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<gst::ElementClass as IsSubclassable<T>>::override_vfuncs(self);
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unsafe {
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let klass = &mut *(self as *mut Self as *mut ffi::GstAggregatorClass);
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klass.flush = Some(aggregator_flush::<T>);
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klass.clip = Some(aggregator_clip::<T>);
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klass.finish_buffer = Some(aggregator_finish_buffer::<T>);
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klass.sink_event = Some(aggregator_sink_event::<T>);
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klass.sink_query = Some(aggregator_sink_query::<T>);
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klass.src_event = Some(aggregator_src_event::<T>);
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klass.src_query = Some(aggregator_src_query::<T>);
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klass.src_activate = Some(aggregator_src_activate::<T>);
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klass.aggregate = Some(aggregator_aggregate::<T>);
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klass.start = Some(aggregator_start::<T>);
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klass.stop = Some(aggregator_stop::<T>);
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klass.get_next_time = Some(aggregator_get_next_time::<T>);
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klass.create_new_pad = Some(aggregator_create_new_pad::<T>);
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klass.update_src_caps = Some(aggregator_update_src_caps::<T>);
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klass.fixate_src_caps = Some(aggregator_fixate_src_caps::<T>);
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klass.negotiated_src_caps = Some(aggregator_negotiated_src_caps::<T>);
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}
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}
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}
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|
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unsafe extern "C" fn aggregator_flush<T: ObjectSubclass>(
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ptr: *mut ffi::GstAggregator,
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) -> gst_ffi::GstFlowReturn
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where
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T: AggregatorImpl,
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T::Instance: PanicPoison,
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{
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glib_floating_reference_guard!(ptr);
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let instance = &*(ptr as *mut T::Instance);
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let imp = instance.get_impl();
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let wrap: Aggregator = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
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imp.flush(&wrap).into()
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})
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.to_glib()
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}
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|
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unsafe extern "C" fn aggregator_clip<T: ObjectSubclass>(
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ptr: *mut ffi::GstAggregator,
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aggregator_pad: *mut ffi::GstAggregatorPad,
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buffer: *mut gst_ffi::GstBuffer,
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) -> *mut gst_ffi::GstBuffer
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where
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T: AggregatorImpl,
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T::Instance: PanicPoison,
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{
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glib_floating_reference_guard!(ptr);
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let instance = &*(ptr as *mut T::Instance);
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let imp = instance.get_impl();
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let wrap: Aggregator = from_glib_borrow(ptr);
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let ret = gst_panic_to_error!(&wrap, &instance.panicked(), None, {
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imp.clip(
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&wrap,
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&from_glib_borrow(aggregator_pad),
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from_glib_full(buffer),
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)
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});
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ret.map(|r| r.into_ptr()).unwrap_or(ptr::null_mut())
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}
|
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|
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unsafe extern "C" fn aggregator_finish_buffer<T: ObjectSubclass>(
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ptr: *mut ffi::GstAggregator,
|
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buffer: *mut gst_ffi::GstBuffer,
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) -> gst_ffi::GstFlowReturn
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
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glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
|
|
imp.finish_buffer(&wrap, from_glib_full(buffer)).into()
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_sink_event<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
aggregator_pad: *mut ffi::GstAggregatorPad,
|
|
event: *mut gst_ffi::GstEvent,
|
|
) -> glib_ffi::gboolean
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
imp.sink_event(
|
|
&wrap,
|
|
&from_glib_borrow(aggregator_pad),
|
|
from_glib_full(event),
|
|
)
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_sink_query<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
aggregator_pad: *mut ffi::GstAggregatorPad,
|
|
query: *mut gst_ffi::GstQuery,
|
|
) -> glib_ffi::gboolean
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
imp.sink_query(
|
|
&wrap,
|
|
&from_glib_borrow(aggregator_pad),
|
|
gst::QueryRef::from_mut_ptr(query),
|
|
)
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_src_event<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
event: *mut gst_ffi::GstEvent,
|
|
) -> glib_ffi::gboolean
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
imp.src_event(&wrap, from_glib_full(event))
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_src_query<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
query: *mut gst_ffi::GstQuery,
|
|
) -> glib_ffi::gboolean
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
imp.src_query(&wrap, gst::QueryRef::from_mut_ptr(query))
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_src_activate<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
mode: gst_ffi::GstPadMode,
|
|
active: glib_ffi::gboolean,
|
|
) -> glib_ffi::gboolean
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
match imp.src_activate(&wrap, from_glib(mode), from_glib(active)) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
err.log_with_object(&wrap);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_aggregate<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
timeout: glib_ffi::gboolean,
|
|
) -> gst_ffi::GstFlowReturn
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
|
|
imp.aggregate(&wrap, from_glib(timeout)).into()
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_start<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
) -> glib_ffi::gboolean
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.start(&wrap) }).to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_stop<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
) -> glib_ffi::gboolean
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, { imp.stop(&wrap) }).to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_get_next_time<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
) -> gst_ffi::GstClockTime
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::CLOCK_TIME_NONE, {
|
|
imp.get_next_time(&wrap)
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_create_new_pad<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
templ: *mut gst_ffi::GstPadTemplate,
|
|
req_name: *const libc::c_char,
|
|
caps: *const gst_ffi::GstCaps,
|
|
) -> *mut ffi::GstAggregatorPad
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), None, {
|
|
let req_name: Option<String> = from_glib_none(req_name);
|
|
|
|
// FIXME: Easier way to convert Option<String> to Option<&str>?
|
|
let mut _tmp = String::new();
|
|
let req_name = match req_name {
|
|
Some(n) => {
|
|
_tmp = n;
|
|
Some(_tmp.as_str())
|
|
}
|
|
None => None,
|
|
};
|
|
|
|
imp.create_new_pad(
|
|
&wrap,
|
|
&from_glib_borrow(templ),
|
|
req_name,
|
|
if caps.is_null() {
|
|
None
|
|
} else {
|
|
Some(gst::CapsRef::from_ptr(caps))
|
|
},
|
|
)
|
|
})
|
|
.to_glib_full()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_update_src_caps<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
caps: *mut gst_ffi::GstCaps,
|
|
res: *mut *mut gst_ffi::GstCaps,
|
|
) -> gst_ffi::GstFlowReturn
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
*res = ptr::null_mut();
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
|
|
match imp.update_src_caps(&wrap, gst::CapsRef::from_ptr(caps)) {
|
|
Ok(res_caps) => {
|
|
*res = res_caps.into_ptr();
|
|
gst::FlowReturn::Ok
|
|
}
|
|
Err(err) => err.into(),
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_fixate_src_caps<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
caps: *mut gst_ffi::GstCaps,
|
|
) -> *mut gst_ffi::GstCaps
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::Caps::new_empty(), {
|
|
imp.fixate_src_caps(&wrap, from_glib_full(caps))
|
|
})
|
|
.into_ptr()
|
|
}
|
|
|
|
unsafe extern "C" fn aggregator_negotiated_src_caps<T: ObjectSubclass>(
|
|
ptr: *mut ffi::GstAggregator,
|
|
caps: *mut gst_ffi::GstCaps,
|
|
) -> glib_ffi::gboolean
|
|
where
|
|
T: AggregatorImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: Aggregator = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
match imp.negotiated_src_caps(&wrap, gst::CapsRef::from_ptr(caps)) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
err.log_with_object(&wrap);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|