mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-05-20 09:18:28 +00:00
25860f7701
Other than in git master / 0.15, proxy_getcaps() on the video base classes still returns an Option to preserve API compatibility.
939 lines
30 KiB
Rust
939 lines
30 KiB
Rust
// Copyright (C) 2019 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 glib_sys;
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use gst_audio_sys;
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use gst_sys;
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use glib::translate::*;
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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 gst::MiniObject;
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use gst_base;
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use std::mem;
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use std::ptr;
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use crate::prelude::*;
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use AudioDecoder;
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use AudioDecoderClass;
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pub trait AudioDecoderImpl: AudioDecoderImplExt + ElementImpl + Send + Sync + 'static {
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fn open(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage> {
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self.parent_open(element)
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}
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fn close(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage> {
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self.parent_close(element)
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}
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fn start(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage> {
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self.parent_start(element)
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}
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fn stop(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage> {
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self.parent_stop(element)
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}
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fn set_format(
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&self,
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element: &AudioDecoder,
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caps: &gst::Caps,
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) -> Result<(), gst::LoggableError> {
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self.parent_set_format(element, caps)
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}
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fn parse(
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&self,
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element: &AudioDecoder,
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adapter: &gst_base::Adapter,
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) -> Result<(u32, u32), gst::FlowError> {
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self.parent_parse(element, adapter)
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}
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fn handle_frame(
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&self,
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element: &AudioDecoder,
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buffer: Option<&gst::Buffer>,
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) -> Result<gst::FlowSuccess, gst::FlowError> {
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self.parent_handle_frame(element, buffer)
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}
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fn pre_push(
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&self,
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element: &AudioDecoder,
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buffer: gst::Buffer,
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) -> Result<Option<gst::Buffer>, gst::FlowError> {
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self.parent_pre_push(element, buffer)
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}
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fn flush(&self, element: &AudioDecoder, hard: bool) {
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self.parent_flush(element, hard)
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}
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fn negotiate(&self, element: &AudioDecoder) -> Result<(), gst::LoggableError> {
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self.parent_negotiate(element)
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}
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fn get_caps(&self, element: &AudioDecoder, filter: Option<&gst::Caps>) -> gst::Caps {
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self.parent_get_caps(element, filter)
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}
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fn sink_event(&self, element: &AudioDecoder, event: gst::Event) -> bool {
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self.parent_sink_event(element, event)
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}
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fn sink_query(&self, element: &AudioDecoder, query: &mut gst::QueryRef) -> bool {
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self.parent_sink_query(element, query)
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}
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fn src_event(&self, element: &AudioDecoder, event: gst::Event) -> bool {
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self.parent_src_event(element, event)
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}
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fn src_query(&self, element: &AudioDecoder, query: &mut gst::QueryRef) -> bool {
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self.parent_src_query(element, query)
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}
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fn propose_allocation(
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&self,
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element: &AudioDecoder,
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query: &mut gst::QueryRef,
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) -> Result<(), gst::ErrorMessage> {
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self.parent_propose_allocation(element, query)
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}
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fn decide_allocation(
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&self,
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element: &AudioDecoder,
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query: &mut gst::QueryRef,
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) -> Result<(), gst::ErrorMessage> {
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self.parent_decide_allocation(element, query)
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}
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}
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pub trait AudioDecoderImplExt {
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fn parent_open(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage>;
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fn parent_close(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage>;
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fn parent_start(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage>;
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fn parent_stop(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage>;
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fn parent_set_format(
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&self,
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element: &AudioDecoder,
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caps: &gst::Caps,
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) -> Result<(), gst::LoggableError>;
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fn parent_parse(
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&self,
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element: &AudioDecoder,
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adapter: &gst_base::Adapter,
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) -> Result<(u32, u32), gst::FlowError>;
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fn parent_handle_frame(
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&self,
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element: &AudioDecoder,
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buffer: Option<&gst::Buffer>,
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) -> Result<gst::FlowSuccess, gst::FlowError>;
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fn parent_pre_push(
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&self,
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element: &AudioDecoder,
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buffer: gst::Buffer,
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) -> Result<Option<gst::Buffer>, gst::FlowError>;
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fn parent_flush(&self, element: &AudioDecoder, hard: bool);
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fn parent_negotiate(&self, element: &AudioDecoder) -> Result<(), gst::LoggableError>;
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fn parent_get_caps(&self, element: &AudioDecoder, filter: Option<&gst::Caps>) -> gst::Caps;
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fn parent_sink_event(&self, element: &AudioDecoder, event: gst::Event) -> bool;
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fn parent_sink_query(&self, element: &AudioDecoder, query: &mut gst::QueryRef) -> bool;
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fn parent_src_event(&self, element: &AudioDecoder, event: gst::Event) -> bool;
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fn parent_src_query(&self, element: &AudioDecoder, query: &mut gst::QueryRef) -> bool;
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fn parent_propose_allocation(
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&self,
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element: &AudioDecoder,
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query: &mut gst::QueryRef,
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) -> Result<(), gst::ErrorMessage>;
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fn parent_decide_allocation(
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&self,
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element: &AudioDecoder,
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query: &mut gst::QueryRef,
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) -> Result<(), gst::ErrorMessage>;
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}
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impl<T: AudioDecoderImpl + ObjectImpl> AudioDecoderImplExt for T {
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fn parent_open(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage> {
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unsafe {
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let data = self.get_type_data();
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let parent_class =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.open
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.map(|f| {
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if from_glib(f(element.to_glib_none().0)) {
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Ok(())
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} else {
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Err(gst_error_msg!(
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gst::CoreError::StateChange,
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["Parent function `open` failed"]
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))
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}
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})
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.unwrap_or(Ok(()))
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}
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}
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fn parent_close(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage> {
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unsafe {
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let data = self.get_type_data();
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let parent_class =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.close
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.map(|f| {
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if from_glib(f(element.to_glib_none().0)) {
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Ok(())
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} else {
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Err(gst_error_msg!(
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gst::CoreError::StateChange,
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["Parent function `close` failed"]
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))
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}
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})
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.unwrap_or(Ok(()))
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}
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}
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fn parent_start(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage> {
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unsafe {
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let data = self.get_type_data();
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let parent_class =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.start
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.map(|f| {
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if from_glib(f(element.to_glib_none().0)) {
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Ok(())
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} else {
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Err(gst_error_msg!(
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gst::CoreError::StateChange,
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["Parent function `start` failed"]
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))
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}
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})
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.unwrap_or(Ok(()))
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}
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}
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fn parent_stop(&self, element: &AudioDecoder) -> Result<(), gst::ErrorMessage> {
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unsafe {
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let data = self.get_type_data();
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let parent_class =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.stop
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.map(|f| {
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if from_glib(f(element.to_glib_none().0)) {
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Ok(())
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} else {
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Err(gst_error_msg!(
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gst::CoreError::StateChange,
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["Parent function `stop` failed"]
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))
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}
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})
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.unwrap_or(Ok(()))
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}
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}
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fn parent_set_format(
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&self,
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element: &AudioDecoder,
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caps: &gst::Caps,
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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 =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.set_format
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.map(|f| {
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gst_result_from_gboolean!(
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f(element.to_glib_none().0, caps.to_glib_none().0),
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gst::CAT_RUST,
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"parent function `set_format` failed"
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)
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})
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.unwrap_or(Ok(()))
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}
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}
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fn parent_parse(
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&self,
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element: &AudioDecoder,
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adapter: &gst_base::Adapter,
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) -> Result<(u32, u32), gst::FlowError> {
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unsafe {
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let data = self.get_type_data();
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let parent_class =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.parse
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.map(|f| {
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let mut offset = mem::uninitialized();
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let mut len = mem::uninitialized();
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match gst::FlowReturn::from_glib(f(
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element.to_glib_none().0,
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adapter.to_glib_none().0,
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&mut offset,
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&mut len,
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))
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.into_result()
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{
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Ok(_) => {
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assert!(offset >= 0);
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assert!(len >= 0);
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Ok((offset as u32, len as u32))
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}
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Err(err) => Err(err),
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}
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})
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.unwrap_or_else(|| Ok((0, adapter.available() as u32)))
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}
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}
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fn parent_handle_frame(
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&self,
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element: &AudioDecoder,
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buffer: Option<&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 =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.handle_frame
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.map(|f| {
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gst::FlowReturn::from_glib(f(
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element.to_glib_none().0,
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buffer
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.map(|buffer| buffer.as_mut_ptr() as *mut *mut gst_sys::GstBuffer)
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.unwrap_or(ptr::null_mut()),
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))
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})
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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_pre_push(
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&self,
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element: &AudioDecoder,
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buffer: gst::Buffer,
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) -> Result<Option<gst::Buffer>, gst::FlowError> {
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unsafe {
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let data = self.get_type_data();
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let parent_class =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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if let Some(f) = (*parent_class).pre_push {
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let mut buffer = buffer.into_ptr();
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match gst::FlowReturn::from_glib(f(element.to_glib_none().0, &mut buffer))
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.into_result()
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{
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Ok(_) => Ok(from_glib_full(buffer)),
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Err(err) => Err(err),
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}
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} else {
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Ok(Some(buffer))
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}
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}
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}
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fn parent_flush(&self, element: &AudioDecoder, hard: bool) {
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unsafe {
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let data = self.get_type_data();
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let parent_class =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.flush
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.map(|f| f(element.to_glib_none().0, hard.to_glib()))
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.unwrap_or(())
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}
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}
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fn parent_negotiate(&self, element: &AudioDecoder) -> 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 =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.negotiate
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.map(|f| {
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gst_result_from_gboolean!(
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f(element.to_glib_none().0),
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gst::CAT_RUST,
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"Parent function `negotiate` failed"
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)
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})
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.unwrap_or(Ok(()))
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}
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}
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fn parent_get_caps(&self, element: &AudioDecoder, filter: Option<&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 =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.getcaps
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.map(|f| from_glib_full(f(element.to_glib_none().0, filter.to_glib_none().0)))
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.unwrap_or(element.proxy_getcaps(None, filter))
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}
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}
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fn parent_sink_event(&self, element: &AudioDecoder, 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 =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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let f = (*parent_class)
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.sink_event
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.expect("Missing parent function `sink_event`");
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from_glib(f(element.to_glib_none().0, event.into_ptr()))
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}
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}
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fn parent_sink_query(&self, element: &AudioDecoder, 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 =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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let f = (*parent_class)
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.sink_query
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.expect("Missing parent function `sink_query`");
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from_glib(f(element.to_glib_none().0, query.as_mut_ptr()))
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}
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}
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fn parent_src_event(&self, element: &AudioDecoder, 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 =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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let f = (*parent_class)
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.src_event
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.expect("Missing parent function `src_event`");
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from_glib(f(element.to_glib_none().0, event.into_ptr()))
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}
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}
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fn parent_src_query(&self, element: &AudioDecoder, 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 =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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let f = (*parent_class)
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.src_query
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.expect("Missing parent function `src_query`");
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from_glib(f(element.to_glib_none().0, query.as_mut_ptr()))
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}
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}
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|
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fn parent_propose_allocation(
|
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&self,
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element: &AudioDecoder,
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query: &mut gst::QueryRef,
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) -> Result<(), gst::ErrorMessage> {
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unsafe {
|
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let data = self.get_type_data();
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let parent_class =
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
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(*parent_class)
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.propose_allocation
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.map(|f| {
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if from_glib(f(element.to_glib_none().0, query.as_mut_ptr())) {
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Ok(())
|
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} else {
|
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Err(gst_error_msg!(
|
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gst::CoreError::StateChange,
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["Parent function `propose_allocation` failed"]
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))
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}
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})
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.unwrap_or(Ok(()))
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}
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}
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|
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fn parent_decide_allocation(
|
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&self,
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element: &AudioDecoder,
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query: &mut gst::QueryRef,
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) -> Result<(), gst::ErrorMessage> {
|
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unsafe {
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let data = self.get_type_data();
|
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let parent_class =
|
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data.as_ref().get_parent_class() as *mut gst_audio_sys::GstAudioDecoderClass;
|
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(*parent_class)
|
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.decide_allocation
|
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.map(|f| {
|
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if from_glib(f(element.to_glib_none().0, query.as_mut_ptr())) {
|
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Ok(())
|
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} else {
|
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Err(gst_error_msg!(
|
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gst::CoreError::StateChange,
|
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["Parent function `decide_allocation` failed"]
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))
|
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}
|
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})
|
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.unwrap_or(Ok(()))
|
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}
|
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}
|
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}
|
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|
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unsafe impl<T: ObjectSubclass + AudioDecoderImpl> IsSubclassable<T> for AudioDecoderClass
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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 gst_audio_sys::GstAudioDecoderClass);
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klass.open = Some(audio_decoder_open::<T>);
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klass.close = Some(audio_decoder_close::<T>);
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klass.start = Some(audio_decoder_start::<T>);
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klass.stop = Some(audio_decoder_stop::<T>);
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klass.set_format = Some(audio_decoder_set_format::<T>);
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klass.parse = Some(audio_decoder_parse::<T>);
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klass.handle_frame = Some(audio_decoder_handle_frame::<T>);
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klass.pre_push = Some(audio_decoder_pre_push::<T>);
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klass.flush = Some(audio_decoder_flush::<T>);
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klass.negotiate = Some(audio_decoder_negotiate::<T>);
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klass.getcaps = Some(audio_decoder_getcaps::<T>);
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klass.sink_event = Some(audio_decoder_sink_event::<T>);
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klass.src_event = Some(audio_decoder_src_event::<T>);
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klass.sink_query = Some(audio_decoder_sink_query::<T>);
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klass.src_query = Some(audio_decoder_src_query::<T>);
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klass.propose_allocation = Some(audio_decoder_propose_allocation::<T>);
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klass.decide_allocation = Some(audio_decoder_decide_allocation::<T>);
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}
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}
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}
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unsafe extern "C" fn audio_decoder_open<T: ObjectSubclass>(
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ptr: *mut gst_audio_sys::GstAudioDecoder,
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) -> glib_sys::gboolean
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where
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T: AudioDecoderImpl,
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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: AudioDecoder = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), false, {
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match imp.open(&wrap) {
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Ok(()) => true,
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Err(err) => {
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wrap.post_error_message(&err);
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false
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}
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}
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})
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.to_glib()
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}
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unsafe extern "C" fn audio_decoder_close<T: ObjectSubclass>(
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ptr: *mut gst_audio_sys::GstAudioDecoder,
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) -> glib_sys::gboolean
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where
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T: AudioDecoderImpl,
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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: AudioDecoder = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), false, {
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match imp.close(&wrap) {
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Ok(()) => true,
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Err(err) => {
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wrap.post_error_message(&err);
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false
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}
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}
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})
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.to_glib()
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}
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unsafe extern "C" fn audio_decoder_start<T: ObjectSubclass>(
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ptr: *mut gst_audio_sys::GstAudioDecoder,
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) -> glib_sys::gboolean
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where
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T: AudioDecoderImpl,
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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: AudioDecoder = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), false, {
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match imp.start(&wrap) {
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Ok(()) => true,
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Err(err) => {
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wrap.post_error_message(&err);
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false
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}
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}
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})
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.to_glib()
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}
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unsafe extern "C" fn audio_decoder_stop<T: ObjectSubclass>(
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ptr: *mut gst_audio_sys::GstAudioDecoder,
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) -> glib_sys::gboolean
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where
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T: AudioDecoderImpl,
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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: AudioDecoder = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), false, {
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match imp.stop(&wrap) {
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Ok(()) => true,
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Err(err) => {
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wrap.post_error_message(&err);
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false
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}
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}
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})
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.to_glib()
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}
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unsafe extern "C" fn audio_decoder_set_format<T: ObjectSubclass>(
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ptr: *mut gst_audio_sys::GstAudioDecoder,
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caps: *mut gst_sys::GstCaps,
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) -> glib_sys::gboolean
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where
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T: AudioDecoderImpl,
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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: AudioDecoder = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), false, {
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match imp.set_format(&wrap, &from_glib_borrow(caps)) {
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Ok(()) => true,
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Err(err) => {
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err.log_with_object(&wrap);
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false
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}
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}
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})
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.to_glib()
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}
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unsafe extern "C" fn audio_decoder_parse<T: ObjectSubclass>(
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ptr: *mut gst_audio_sys::GstAudioDecoder,
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adapter: *mut gst_base_sys::GstAdapter,
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offset: *mut i32,
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len: *mut i32,
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) -> gst_sys::GstFlowReturn
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where
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T: AudioDecoderImpl,
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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: AudioDecoder = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
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match imp.parse(&wrap, &from_glib_borrow(adapter)) {
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Ok((new_offset, new_len)) => {
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assert!(new_offset <= std::i32::MAX as u32);
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assert!(new_len <= std::i32::MAX as u32);
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*offset = new_offset as i32;
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*len = new_len as i32;
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Ok(gst::FlowSuccess::Ok)
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}
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Err(err) => Err(err),
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}
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.into()
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})
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.to_glib()
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}
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unsafe extern "C" fn audio_decoder_handle_frame<T: ObjectSubclass>(
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ptr: *mut gst_audio_sys::GstAudioDecoder,
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buffer: *mut *mut gst_sys::GstBuffer,
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) -> gst_sys::GstFlowReturn
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where
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T: AudioDecoderImpl,
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T::Instance: PanicPoison,
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{
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glib_floating_reference_guard!(ptr);
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// FIXME: Misgenerated in gstreamer-audio-sys
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let buffer = buffer as *mut gst_sys::GstBuffer;
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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: AudioDecoder = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
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imp.handle_frame(
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&wrap,
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Option::<gst::Buffer>::from_glib_none(buffer).as_ref(),
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)
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.into()
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})
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.to_glib()
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}
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unsafe extern "C" fn audio_decoder_pre_push<T: ObjectSubclass>(
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ptr: *mut gst_audio_sys::GstAudioDecoder,
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buffer: *mut *mut gst_sys::GstBuffer,
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) -> gst_sys::GstFlowReturn
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|
where
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|
T: AudioDecoderImpl,
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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: AudioDecoder = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), gst::FlowReturn::Error, {
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match imp.pre_push(&wrap, from_glib_full(*buffer)) {
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Ok(Some(new_buffer)) => {
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*buffer = new_buffer.into_ptr();
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Ok(gst::FlowSuccess::Ok)
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}
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Ok(None) => {
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*buffer = ptr::null_mut();
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Ok(gst::FlowSuccess::Ok)
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|
}
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Err(err) => Err(err),
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|
}
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.into()
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|
})
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|
.to_glib()
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}
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unsafe extern "C" fn audio_decoder_flush<T: ObjectSubclass>(
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ptr: *mut gst_audio_sys::GstAudioDecoder,
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|
hard: glib_sys::gboolean,
|
|
) where
|
|
T: AudioDecoderImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
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|
let imp = instance.get_impl();
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let wrap: AudioDecoder = from_glib_borrow(ptr);
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gst_panic_to_error!(&wrap, &instance.panicked(), (), {
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AudioDecoderImpl::flush(imp, &wrap, from_glib(hard))
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})
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}
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|
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unsafe extern "C" fn audio_decoder_negotiate<T: ObjectSubclass>(
|
|
ptr: *mut gst_audio_sys::GstAudioDecoder,
|
|
) -> glib_sys::gboolean
|
|
where
|
|
T: AudioDecoderImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: AudioDecoder = from_glib_borrow(ptr);
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|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
match imp.negotiate(&wrap) {
|
|
Ok(()) => true,
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|
Err(err) => {
|
|
err.log_with_object(&wrap);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn audio_decoder_getcaps<T: ObjectSubclass>(
|
|
ptr: *mut gst_audio_sys::GstAudioDecoder,
|
|
filter: *mut gst_sys::GstCaps,
|
|
) -> *mut gst_sys::GstCaps
|
|
where
|
|
T: AudioDecoderImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: AudioDecoder = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), gst::Caps::new_empty(), {
|
|
AudioDecoderImpl::get_caps(
|
|
imp,
|
|
&wrap,
|
|
Option::<gst::Caps>::from_glib_borrow(filter).as_ref(),
|
|
)
|
|
})
|
|
.to_glib_full()
|
|
}
|
|
|
|
unsafe extern "C" fn audio_decoder_sink_event<T: ObjectSubclass>(
|
|
ptr: *mut gst_audio_sys::GstAudioDecoder,
|
|
event: *mut gst_sys::GstEvent,
|
|
) -> glib_sys::gboolean
|
|
where
|
|
T: AudioDecoderImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: AudioDecoder = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
imp.sink_event(&wrap, from_glib_full(event))
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn audio_decoder_sink_query<T: ObjectSubclass>(
|
|
ptr: *mut gst_audio_sys::GstAudioDecoder,
|
|
query: *mut gst_sys::GstQuery,
|
|
) -> glib_sys::gboolean
|
|
where
|
|
T: AudioDecoderImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: AudioDecoder = from_glib_borrow(ptr);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
imp.sink_query(&wrap, gst::QueryRef::from_mut_ptr(query))
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn audio_decoder_src_event<T: ObjectSubclass>(
|
|
ptr: *mut gst_audio_sys::GstAudioDecoder,
|
|
event: *mut gst_sys::GstEvent,
|
|
) -> glib_sys::gboolean
|
|
where
|
|
T: AudioDecoderImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: AudioDecoder = 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 audio_decoder_src_query<T: ObjectSubclass>(
|
|
ptr: *mut gst_audio_sys::GstAudioDecoder,
|
|
query: *mut gst_sys::GstQuery,
|
|
) -> glib_sys::gboolean
|
|
where
|
|
T: AudioDecoderImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: AudioDecoder = 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 audio_decoder_propose_allocation<T: ObjectSubclass>(
|
|
ptr: *mut gst_audio_sys::GstAudioDecoder,
|
|
query: *mut gst_sys::GstQuery,
|
|
) -> glib_sys::gboolean
|
|
where
|
|
T: AudioDecoderImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: AudioDecoder = from_glib_borrow(ptr);
|
|
let query = gst::QueryRef::from_mut_ptr(query);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
match imp.propose_allocation(&wrap, query) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
wrap.post_error_message(&err);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|
|
|
|
unsafe extern "C" fn audio_decoder_decide_allocation<T: ObjectSubclass>(
|
|
ptr: *mut gst_audio_sys::GstAudioDecoder,
|
|
query: *mut gst_sys::GstQuery,
|
|
) -> glib_sys::gboolean
|
|
where
|
|
T: AudioDecoderImpl,
|
|
T::Instance: PanicPoison,
|
|
{
|
|
glib_floating_reference_guard!(ptr);
|
|
let instance = &*(ptr as *mut T::Instance);
|
|
let imp = instance.get_impl();
|
|
let wrap: AudioDecoder = from_glib_borrow(ptr);
|
|
let query = gst::QueryRef::from_mut_ptr(query);
|
|
|
|
gst_panic_to_error!(&wrap, &instance.panicked(), false, {
|
|
match imp.decide_allocation(&wrap, query) {
|
|
Ok(()) => true,
|
|
Err(err) => {
|
|
wrap.post_error_message(&err);
|
|
false
|
|
}
|
|
}
|
|
})
|
|
.to_glib()
|
|
}
|