mirror of
https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
synced 2025-01-02 23:38:45 +00:00
Port sink over to new infrastructure
This commit is contained in:
Sebastian Dröge
parent
6e1c89d1df
commit
1260dc42bb
2 changed files with 178 additions and 435 deletions
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@ -32,7 +32,7 @@ pub struct FileSink {
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}
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impl FileSink {
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pub fn new(_sink: &RsSinkWrapper) -> FileSink {
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pub fn new(_sink: &RsBaseSink) -> FileSink {
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FileSink {
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streaming_state: StreamingState::Stopped,
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cat: gst::DebugCategory::new(
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@ -43,7 +43,7 @@ impl FileSink {
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}
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}
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pub fn new_boxed(sink: &RsSinkWrapper) -> Box<Sink> {
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pub fn new_boxed(sink: &RsBaseSink) -> Box<SinkImpl> {
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Box::new(FileSink::new(sink))
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}
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}
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@ -58,12 +58,12 @@ fn validate_uri(uri: &Url) -> Result<(), UriError> {
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Ok(())
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}
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impl Sink for FileSink {
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impl SinkImpl for FileSink {
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fn uri_validator(&self) -> Box<UriValidator> {
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Box::new(validate_uri)
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}
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fn start(&mut self, sink: &RsSinkWrapper, uri: Url) -> Result<(), ErrorMessage> {
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fn start(&mut self, sink: &RsBaseSink, uri: Url) -> Result<(), ErrorMessage> {
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if let StreamingState::Started { .. } = self.streaming_state {
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return Err(error_msg!(
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gst::LibraryError::Failed,
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@ -112,13 +112,13 @@ impl Sink for FileSink {
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Ok(())
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}
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fn stop(&mut self, _sink: &RsSinkWrapper) -> Result<(), ErrorMessage> {
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fn stop(&mut self, _sink: &RsBaseSink) -> Result<(), ErrorMessage> {
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self.streaming_state = StreamingState::Stopped;
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Ok(())
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}
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fn render(&mut self, sink: &RsSinkWrapper, buffer: &gst::BufferRef) -> Result<(), FlowError> {
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fn render(&mut self, sink: &RsBaseSink, buffer: &gst::BufferRef) -> Result<(), FlowError> {
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let cat = self.cat;
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let streaming_state = &mut self.streaming_state;
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@ -1,5 +1,4 @@
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// Copyright (C) 2016-2017 Sebastian Dröge <sebastian@centricular.com>
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// 2016 Luis de Bethencourt <luisbg@osg.samsung.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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@ -7,101 +6,162 @@
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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::c_char;
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use std::ffi::{CStr, CString};
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use std::ptr;
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use std::mem;
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use std::panic::{self, AssertUnwindSafe};
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use std::sync::Mutex;
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use std::sync::atomic::{AtomicBool, Ordering};
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use url::Url;
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use error::*;
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use glib_ffi;
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use gobject_ffi;
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use gst_ffi;
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use gst_base_ffi;
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use glib::translate::*;
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use glib;
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use gst;
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use gst::prelude::*;
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use gst_base;
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use gst_base::prelude::*;
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pub struct SinkWrapper {
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use object::*;
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use element::*;
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use base_sink::*;
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use uri_handler::*;
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pub use base_sink::RsBaseSink;
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pub trait SinkImpl: Send + 'static {
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fn uri_validator(&self) -> Box<UriValidator>;
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fn start(&mut self, sink: &RsBaseSink, uri: Url) -> Result<(), ErrorMessage>;
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fn stop(&mut self, sink: &RsBaseSink) -> Result<(), ErrorMessage>;
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fn render(&mut self, sink: &RsBaseSink, buffer: &gst::BufferRef) -> Result<(), FlowError>;
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}
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struct Sink {
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cat: gst::DebugCategory,
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uri: Mutex<(Option<Url>, bool)>,
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uri_validator: Box<UriValidator>,
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sink: Mutex<Box<Sink>>,
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panicked: AtomicBool,
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imp: Mutex<Box<SinkImpl>>,
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}
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pub trait Sink: Send + 'static {
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fn uri_validator(&self) -> Box<UriValidator>;
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static PROPERTIES: [Property; 1] = [
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Property::String(
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"uri",
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"URI",
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"URI to read from",
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None,
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PropertyMutability::ReadWrite,
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),
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];
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fn start(&mut self, sink: &RsSinkWrapper, uri: Url) -> Result<(), ErrorMessage>;
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fn stop(&mut self, sink: &RsSinkWrapper) -> Result<(), ErrorMessage>;
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impl Sink {
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fn new(sink: &RsBaseSink, sink_info: &SinkInfo) -> Self {
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let sink_impl = (sink_info.create_instance)(sink);
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fn render(&mut self, sink: &RsSinkWrapper, buffer: &gst::BufferRef) -> Result<(), FlowError>;
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}
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impl SinkWrapper {
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fn new(sink: Box<Sink>) -> SinkWrapper {
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SinkWrapper {
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Self {
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cat: gst::DebugCategory::new(
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"rssink",
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gst::DebugColorFlags::empty(),
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"Rust sink base class",
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),
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uri: Mutex::new((None, false)),
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uri_validator: sink.uri_validator(),
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sink: Mutex::new(sink),
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panicked: AtomicBool::new(false),
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uri_validator: sink_impl.uri_validator(),
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imp: Mutex::new(sink_impl),
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}
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}
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fn set_uri(&self, sink: &RsSinkWrapper, uri_str: Option<&str>) -> Result<(), UriError> {
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fn class_init(klass: &mut RsBaseSinkClass, sink_info: &SinkInfo) {
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klass.set_metadata(
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&sink_info.long_name,
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&sink_info.classification,
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&sink_info.description,
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&sink_info.author,
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);
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let caps = gst::Caps::new_any();
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let pad_template = gst::PadTemplate::new(
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"sink",
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gst::PadDirection::Sink,
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gst::PadPresence::Always,
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&caps,
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);
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klass.add_pad_template(pad_template);
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klass.install_properties(&PROPERTIES);
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}
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fn init(element: &RsBaseSink, sink_info: &SinkInfo) -> Box<BaseSinkImpl> {
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element.set_blocksize(4096);
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let imp = Self::new(element, sink_info);
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Box::new(imp)
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}
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fn get_uri(&self, _element: &glib::Object) -> Option<String> {
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let uri_storage = &self.uri.lock().unwrap();
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uri_storage.0.as_ref().map(|uri| String::from(uri.as_str()))
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}
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fn set_uri(&self, element: &glib::Object, uri_str: Option<String>) -> Result<(), glib::Error> {
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let sink = element.clone().dynamic_cast::<RsBaseSink>().unwrap();
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let uri_storage = &mut self.uri.lock().unwrap();
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gst_debug!(self.cat, obj: sink, "Setting URI {:?}", uri_str);
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gst_debug!(self.cat, obj: &sink, "Setting URI {:?}", uri_str);
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if uri_storage.1 {
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return Err(UriError::new(
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gst::URIError::BadState,
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"Already started".to_string(),
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));
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return Err(
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UriError::new(gst::URIError::BadState, "Already started".to_string()).into_error(),
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);
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}
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uri_storage.0 = None;
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if let Some(uri_str) = uri_str {
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match Url::parse(uri_str) {
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match Url::parse(uri_str.as_str()) {
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Ok(uri) => {
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try!((self.uri_validator)(&uri));
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try!((self.uri_validator)(&uri).map_err(|e| e.into_error()));
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uri_storage.0 = Some(uri);
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Ok(())
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}
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Err(err) => Err(UriError::new(
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gst::URIError::BadUri,
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format!("Failed to parse URI '{}': {}", uri_str, err),
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)),
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Err(err) => Err(
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UriError::new(
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gst::URIError::BadUri,
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format!("Failed to parse URI '{}': {}", uri_str, err),
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).into_error(),
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),
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}
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} else {
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Ok(())
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}
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}
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}
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fn get_uri(&self, _sink: &RsSinkWrapper) -> Option<String> {
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let uri_storage = &self.uri.lock().unwrap();
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uri_storage.0.as_ref().map(|uri| String::from(uri.as_str()))
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impl ObjectImpl for Sink {
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fn set_property(&self, obj: &glib::Object, id: u32, value: &glib::Value) {
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let prop = &PROPERTIES[id as usize];
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match *prop {
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Property::String("uri", ..) => {
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self.set_uri(obj, value.get()).unwrap();
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}
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_ => unimplemented!(),
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}
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}
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fn start(&self, sink: &RsSinkWrapper) -> bool {
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gst_debug!(self.cat, obj: sink, "Starting");
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fn get_property(&self, obj: &glib::Object, id: u32) -> Result<glib::Value, ()> {
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let prop = &PROPERTIES[id as usize];
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match *prop {
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Property::String("uri", ..) => Ok(self.get_uri(obj).to_value()),
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_ => unimplemented!(),
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}
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}
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}
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impl ElementImpl for Sink {}
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impl BaseSinkImpl for Sink {
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fn start(&self, element: &gst_base::BaseSink) -> bool {
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let sink = element.clone().downcast::<RsBaseSink>().unwrap();
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gst_debug!(self.cat, obj: &sink, "Starting");
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// Don't keep the URI locked while we call start later
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let uri = match *self.uri.lock().unwrap() {
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@ -110,63 +170,62 @@ impl SinkWrapper {
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uri.clone()
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}
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(None, _) => {
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gst_error!(self.cat, obj: sink, "No URI given");
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self.post_message(
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sink,
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&error_msg!(gst::ResourceError::OpenWrite, ["No URI given"]),
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);
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gst_error!(self.cat, obj: &sink, "No URI given");
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error_msg!(gst::ResourceError::OpenRead, ["No URI given"]).post(&sink);
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return false;
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}
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};
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let sink_impl = &mut self.sink.lock().unwrap();
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match sink_impl.start(sink, uri) {
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let sink_impl = &mut self.imp.lock().unwrap();
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match sink_impl.start(&sink, uri) {
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Ok(..) => {
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gst_trace!(self.cat, obj: sink, "Started successfully");
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gst_trace!(self.cat, obj: &sink, "Started successfully");
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true
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}
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Err(ref msg) => {
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gst_error!(self.cat, obj: sink, "Failed to start: {:?}", msg);
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gst_error!(self.cat, obj: &sink, "Failed to start: {:?}", msg);
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self.uri.lock().unwrap().1 = false;
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self.post_message(sink, msg);
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msg.post(&sink);
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false
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}
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}
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}
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fn stop(&self, sink: &RsSinkWrapper) -> bool {
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let sink_impl = &mut self.sink.lock().unwrap();
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fn stop(&self, element: &gst_base::BaseSink) -> bool {
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let sink = element.clone().downcast::<RsBaseSink>().unwrap();
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let sink_impl = &mut self.imp.lock().unwrap();
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gst_debug!(self.cat, obj: sink, "Stopping");
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gst_debug!(self.cat, obj: &sink, "Stopping");
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match sink_impl.stop(sink) {
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match sink_impl.stop(&sink) {
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Ok(..) => {
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gst_trace!(self.cat, obj: sink, "Stopped successfully");
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gst_trace!(self.cat, obj: &sink, "Stopped successfully");
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self.uri.lock().unwrap().1 = false;
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true
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}
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Err(ref msg) => {
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gst_error!(self.cat, obj: sink, "Failed to stop: {:?}", msg);
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gst_error!(self.cat, obj: &sink, "Failed to stop: {:?}", msg);
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self.post_message(sink, msg);
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msg.post(&sink);
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false
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}
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}
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}
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fn render(&self, sink: &RsSinkWrapper, buffer: &gst::BufferRef) -> gst::FlowReturn {
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let sink_impl = &mut self.sink.lock().unwrap();
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fn render(&self, element: &gst_base::BaseSink, buffer: &gst::BufferRef) -> gst::FlowReturn {
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let sink = element.clone().downcast::<RsBaseSink>().unwrap();
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let sink_impl = &mut self.imp.lock().unwrap();
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gst_trace!(self.cat, obj: sink, "Rendering buffer {:?}", buffer);
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gst_trace!(self.cat, obj: &sink, "Rendering buffer {:?}", buffer,);
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match sink_impl.render(sink, buffer) {
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Ok(..) => gst::FlowReturn::Ok,
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match sink_impl.render(&sink, buffer) {
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Ok(()) => gst::FlowReturn::Ok,
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Err(flow_error) => {
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gst_error!(self.cat, obj: sink, "Failed to render: {:?}", flow_error);
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gst_error!(self.cat, obj: &sink, "Failed to render: {:?}", flow_error);
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match flow_error {
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FlowError::NotNegotiated(ref msg) | FlowError::Error(ref msg) => {
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self.post_message(sink, msg)
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msg.post(&sink);
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}
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_ => (),
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}
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@ -174,76 +233,16 @@ impl SinkWrapper {
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}
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}
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}
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}
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fn post_message(&self, sink: &RsSinkWrapper, msg: &ErrorMessage) {
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msg.post(sink);
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impl URIHandlerImpl for Sink {
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fn get_uri(&self, element: &gst::URIHandler) -> Option<String> {
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Sink::get_uri(self, &element.clone().upcast())
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}
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}
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unsafe fn sink_set_uri(
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ptr: *mut RsSink,
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uri_ptr: *const c_char,
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cerr: *mut *mut glib_ffi::GError,
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) -> glib_ffi::gboolean {
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let sink: &RsSinkWrapper = &from_glib_borrow(ptr as *mut RsSink);
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let wrap = sink.get_wrap();
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panic_to_error!(wrap, sink, false, {
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let uri_str = if uri_ptr.is_null() {
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None
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} else {
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Some(CStr::from_ptr(uri_ptr).to_str().unwrap())
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};
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match wrap.set_uri(sink, uri_str) {
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Err(err) => {
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gst_error!(wrap.cat, obj: sink, "Failed to set URI {:?}", err);
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if !cerr.is_null() {
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let err = err.into_error();
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*cerr = err.to_glib_full() as *mut _;
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}
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false
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}
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Ok(_) => true,
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}
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}).to_glib()
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}
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unsafe fn sink_get_uri(ptr: *mut RsSink) -> *mut c_char {
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let sink: &RsSinkWrapper = &from_glib_borrow(ptr as *mut RsSink);
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let wrap = sink.get_wrap();
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panic_to_error!(wrap, sink, None, { wrap.get_uri(sink) }).to_glib_full()
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}
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unsafe extern "C" fn sink_start(ptr: *mut gst_base_ffi::GstBaseSink) -> glib_ffi::gboolean {
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let sink: &RsSinkWrapper = &from_glib_borrow(ptr as *mut RsSink);
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let wrap = sink.get_wrap();
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panic_to_error!(wrap, sink, false, { wrap.start(sink) }).to_glib()
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}
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unsafe extern "C" fn sink_stop(ptr: *mut gst_base_ffi::GstBaseSink) -> glib_ffi::gboolean {
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let sink: &RsSinkWrapper = &from_glib_borrow(ptr as *mut RsSink);
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let wrap = sink.get_wrap();
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panic_to_error!(wrap, sink, true, { wrap.stop(sink) }).to_glib()
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}
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unsafe extern "C" fn sink_render(
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ptr: *mut gst_base_ffi::GstBaseSink,
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buffer: *mut gst_ffi::GstBuffer,
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) -> gst_ffi::GstFlowReturn {
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let sink: &RsSinkWrapper = &from_glib_borrow(ptr as *mut RsSink);
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let wrap = sink.get_wrap();
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let buffer = gst::BufferRef::from_ptr(buffer);
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panic_to_error!(
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wrap,
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sink,
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gst::FlowReturn::Error,
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{ wrap.render(sink, buffer) }
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).to_glib()
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fn set_uri(&self, element: &gst::URIHandler, uri: Option<String>) -> Result<(), glib::Error> {
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Sink::set_uri(self, &element.clone().upcast(), uri)
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}
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}
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pub struct SinkInfo {
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@ -253,312 +252,56 @@ pub struct SinkInfo {
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pub classification: String,
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pub author: String,
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pub rank: u32,
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pub create_instance: fn(&RsSinkWrapper) -> Box<Sink>,
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pub create_instance: fn(&RsBaseSink) -> Box<SinkImpl>,
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pub protocols: Vec<String>,
|
||||
}
|
||||
|
||||
glib_wrapper! {
|
||||
pub struct RsSinkWrapper(Object<RsSink>): [gst_base::BaseSink => gst_base_ffi::GstBaseSink,
|
||||
gst::Element => gst_ffi::GstElement,
|
||||
gst::Object => gst_ffi::GstObject,
|
||||
gst::URIHandler => gst_ffi::GstURIHandler,
|
||||
];
|
||||
|
||||
match fn {
|
||||
get_type => || rs_sink_get_type(),
|
||||
}
|
||||
struct SinkStatic {
|
||||
name: String,
|
||||
sink_info: SinkInfo,
|
||||
}
|
||||
impl RsSinkWrapper {
|
||||
fn get_wrap(&self) -> &SinkWrapper {
|
||||
let stash = self.to_glib_none();
|
||||
let sink: *mut RsSink = stash.0;
|
||||
|
||||
unsafe { &*((*sink).wrap) }
|
||||
impl ImplTypeStatic<RsBaseSink> for SinkStatic {
|
||||
fn get_name(&self) -> &str {
|
||||
self.name.as_str()
|
||||
}
|
||||
|
||||
fn new(&self, element: &RsBaseSink) -> Box<BaseSinkImpl> {
|
||||
Sink::init(element, &self.sink_info)
|
||||
}
|
||||
|
||||
fn class_init(&self, klass: &mut RsBaseSinkClass) {
|
||||
Sink::class_init(klass, &self.sink_info);
|
||||
}
|
||||
|
||||
fn type_init(&self, token: &TypeInitToken, type_: glib::Type) {
|
||||
register_uri_handler(token, type_, self);
|
||||
}
|
||||
}
|
||||
|
||||
#[repr(u32)]
|
||||
enum Properties {
|
||||
PropURI = 1u32,
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
pub struct RsSink {
|
||||
parent: gst_base_ffi::GstBaseSink,
|
||||
wrap: *mut SinkWrapper,
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
pub struct RsSinkClass {
|
||||
parent_class: gst_base_ffi::GstBaseSinkClass,
|
||||
sink_info: *const SinkInfo,
|
||||
protocols: *const Vec<*const c_char>,
|
||||
parent_vtable: glib_ffi::gconstpointer,
|
||||
}
|
||||
|
||||
unsafe fn rs_sink_get_type() -> glib_ffi::GType {
|
||||
use std::sync::{Once, ONCE_INIT};
|
||||
|
||||
static mut TYPE: glib_ffi::GType = gobject_ffi::G_TYPE_INVALID;
|
||||
static ONCE: Once = ONCE_INIT;
|
||||
|
||||
ONCE.call_once(|| {
|
||||
let type_info = gobject_ffi::GTypeInfo {
|
||||
class_size: mem::size_of::<RsSinkClass>() as u16,
|
||||
base_init: None,
|
||||
base_finalize: None,
|
||||
class_init: Some(sink_class_init),
|
||||
class_finalize: None,
|
||||
class_data: ptr::null_mut(),
|
||||
instance_size: mem::size_of::<RsSink>() as u16,
|
||||
n_preallocs: 0,
|
||||
instance_init: Some(sink_init),
|
||||
value_table: ptr::null(),
|
||||
};
|
||||
|
||||
let type_name = {
|
||||
let mut idx = 0;
|
||||
|
||||
loop {
|
||||
let type_name = CString::new(format!("RsSink-{}", idx)).unwrap();
|
||||
if gobject_ffi::g_type_from_name(type_name.as_ptr()) == gobject_ffi::G_TYPE_INVALID
|
||||
{
|
||||
break type_name;
|
||||
}
|
||||
idx += 1;
|
||||
}
|
||||
};
|
||||
|
||||
TYPE = gobject_ffi::g_type_register_static(
|
||||
gst_base_ffi::gst_base_sink_get_type(),
|
||||
type_name.as_ptr(),
|
||||
&type_info,
|
||||
gobject_ffi::GTypeFlags::empty(),
|
||||
);
|
||||
|
||||
let iface_info = gobject_ffi::GInterfaceInfo {
|
||||
interface_init: Some(sink_uri_handler_init),
|
||||
interface_finalize: None,
|
||||
interface_data: ptr::null_mut(),
|
||||
};
|
||||
gobject_ffi::g_type_add_interface_static(
|
||||
TYPE,
|
||||
gst_ffi::gst_uri_handler_get_type(),
|
||||
&iface_info,
|
||||
);
|
||||
});
|
||||
|
||||
TYPE
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_finalize(obj: *mut gobject_ffi::GObject) {
|
||||
let sink = &mut *(obj as *mut RsSink);
|
||||
|
||||
drop(Box::from_raw(sink.wrap));
|
||||
sink.wrap = ptr::null_mut();
|
||||
|
||||
let sink_klass = &**(obj as *const *mut RsSinkClass);
|
||||
let parent_klass = &*(sink_klass.parent_vtable as *const gobject_ffi::GObjectClass);
|
||||
parent_klass.finalize.map(|f| f(obj));
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_set_property(
|
||||
obj: *mut gobject_ffi::GObject,
|
||||
id: u32,
|
||||
value: *mut gobject_ffi::GValue,
|
||||
_pspec: *mut gobject_ffi::GParamSpec,
|
||||
) {
|
||||
let sink = obj as *mut RsSink;
|
||||
|
||||
match mem::transmute(id) {
|
||||
Properties::PropURI => {
|
||||
let uri_ptr = gobject_ffi::g_value_get_string(value);
|
||||
sink_set_uri(sink, uri_ptr, ptr::null_mut());
|
||||
}
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_get_property(
|
||||
obj: *mut gobject_ffi::GObject,
|
||||
id: u32,
|
||||
value: *mut gobject_ffi::GValue,
|
||||
_pspec: *mut gobject_ffi::GParamSpec,
|
||||
) {
|
||||
let sink = obj as *mut RsSink;
|
||||
|
||||
match mem::transmute(id) {
|
||||
Properties::PropURI => {
|
||||
let uri_ptr = sink_get_uri(sink);
|
||||
gobject_ffi::g_value_take_string(value, uri_ptr);
|
||||
}
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_sub_class_init(
|
||||
klass: glib_ffi::gpointer,
|
||||
klass_data: glib_ffi::gpointer,
|
||||
) {
|
||||
let sink_info = &*(klass_data as *const SinkInfo);
|
||||
|
||||
{
|
||||
let element_klass = &mut *(klass as *mut gst_ffi::GstElementClass);
|
||||
|
||||
gst_ffi::gst_element_class_set_metadata(
|
||||
element_klass,
|
||||
sink_info.long_name.to_glib_none().0,
|
||||
sink_info.classification.to_glib_none().0,
|
||||
sink_info.description.to_glib_none().0,
|
||||
sink_info.author.to_glib_none().0,
|
||||
);
|
||||
|
||||
// TODO: Methods + sink_info.caps
|
||||
let caps = gst::Caps::new_any();
|
||||
let pad_template = gst::PadTemplate::new(
|
||||
"sink",
|
||||
gst::PadDirection::Sink,
|
||||
gst::PadPresence::Always,
|
||||
&caps,
|
||||
);
|
||||
gst_ffi::gst_element_class_add_pad_template(element_klass, pad_template.to_glib_full());
|
||||
impl URIHandlerImplStatic<RsBaseSink> for SinkStatic {
|
||||
fn get_impl<'a>(&self, imp: &'a Box<BaseSinkImpl>) -> &'a URIHandlerImpl {
|
||||
imp.downcast_ref::<Sink>().unwrap()
|
||||
}
|
||||
|
||||
{
|
||||
let sink_klass = &mut *(klass as *mut RsSinkClass);
|
||||
|
||||
sink_klass.sink_info = sink_info;
|
||||
let mut protocols = Box::new(Vec::with_capacity(sink_info.protocols.len()));
|
||||
for p in &sink_info.protocols {
|
||||
let p_cstr = CString::new(p.clone().into_bytes()).unwrap();
|
||||
protocols.push(p_cstr.into_raw() as *const c_char);
|
||||
}
|
||||
protocols.push(ptr::null());
|
||||
sink_klass.protocols = Box::into_raw(protocols) as *const Vec<*const c_char>;
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_class_init(klass: glib_ffi::gpointer, _klass_data: glib_ffi::gpointer) {
|
||||
{
|
||||
let gobject_klass = &mut *(klass as *mut gobject_ffi::GObjectClass);
|
||||
gobject_klass.set_property = Some(sink_set_property);
|
||||
gobject_klass.get_property = Some(sink_get_property);
|
||||
gobject_klass.finalize = Some(sink_finalize);
|
||||
|
||||
gobject_ffi::g_object_class_install_property(
|
||||
klass as *mut gobject_ffi::GObjectClass,
|
||||
1,
|
||||
gobject_ffi::g_param_spec_string(
|
||||
"uri".to_glib_none().0,
|
||||
"URI".to_glib_none().0,
|
||||
"URI to read from".to_glib_none().0,
|
||||
ptr::null_mut(),
|
||||
gobject_ffi::G_PARAM_READWRITE,
|
||||
),
|
||||
);
|
||||
fn get_type(&self) -> gst::URIType {
|
||||
gst::URIType::Sink
|
||||
}
|
||||
|
||||
{
|
||||
let basesink_klass = &mut *(klass as *mut gst_base_ffi::GstBaseSinkClass);
|
||||
|
||||
basesink_klass.start = Some(sink_start);
|
||||
basesink_klass.stop = Some(sink_stop);
|
||||
basesink_klass.render = Some(sink_render);
|
||||
fn get_protocols(&self) -> Vec<String> {
|
||||
self.sink_info.protocols.clone()
|
||||
}
|
||||
|
||||
{
|
||||
let sink_klass = &mut *(klass as *mut RsSinkClass);
|
||||
|
||||
sink_klass.parent_vtable = gobject_ffi::g_type_class_peek_parent(klass);
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_init(
|
||||
instance: *mut gobject_ffi::GTypeInstance,
|
||||
klass: glib_ffi::gpointer,
|
||||
) {
|
||||
let sink = &mut *(instance as *mut RsSink);
|
||||
let sink_klass = &*(klass as *const RsSinkClass);
|
||||
let sink_info = &*sink_klass.sink_info;
|
||||
|
||||
let wrap = Box::new(SinkWrapper::new((sink_info.create_instance)(
|
||||
&RsSinkWrapper::from_glib_borrow(instance as *mut _),
|
||||
)));
|
||||
sink.wrap = Box::into_raw(wrap);
|
||||
|
||||
let sink = &RsSinkWrapper::from_glib_borrow(sink as *mut _);
|
||||
sink.set_sync(false);
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_uri_handler_get_type(_type: glib_ffi::GType) -> gst_ffi::GstURIType {
|
||||
gst::URIType::Sink.to_glib()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_uri_handler_get_protocols(
|
||||
type_: glib_ffi::GType,
|
||||
) -> *const *const c_char {
|
||||
let klass = gobject_ffi::g_type_class_peek(type_);
|
||||
let sink_klass = &*(klass as *const RsSinkClass);
|
||||
(*sink_klass.protocols).as_ptr()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_uri_handler_get_uri(
|
||||
uri_handler: *mut gst_ffi::GstURIHandler,
|
||||
) -> *mut c_char {
|
||||
sink_get_uri(uri_handler as *mut RsSink)
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_uri_handler_set_uri(
|
||||
uri_handler: *mut gst_ffi::GstURIHandler,
|
||||
uri: *const c_char,
|
||||
err: *mut *mut glib_ffi::GError,
|
||||
) -> glib_ffi::gboolean {
|
||||
sink_set_uri(uri_handler as *mut RsSink, uri, err)
|
||||
}
|
||||
|
||||
unsafe extern "C" fn sink_uri_handler_init(
|
||||
iface: glib_ffi::gpointer,
|
||||
_iface_data: glib_ffi::gpointer,
|
||||
) {
|
||||
let uri_handler_iface = &mut *(iface as *mut gst_ffi::GstURIHandlerInterface);
|
||||
|
||||
uri_handler_iface.get_type = Some(sink_uri_handler_get_type);
|
||||
uri_handler_iface.get_protocols = Some(sink_uri_handler_get_protocols);
|
||||
uri_handler_iface.get_uri = Some(sink_uri_handler_get_uri);
|
||||
uri_handler_iface.set_uri = Some(sink_uri_handler_set_uri);
|
||||
}
|
||||
|
||||
pub fn sink_register(plugin: &gst::Plugin, sink_info: SinkInfo) {
|
||||
unsafe {
|
||||
let parent_type = rs_sink_get_type();
|
||||
let type_name = format!("RsSink-{}", sink_info.name);
|
||||
let name = sink_info.name.clone();
|
||||
let rank = sink_info.rank;
|
||||
|
||||
let name = sink_info.name.clone();
|
||||
let rank = sink_info.rank;
|
||||
let sink_static = SinkStatic {
|
||||
name: format!("Sink-{}", name),
|
||||
sink_info: sink_info,
|
||||
};
|
||||
|
||||
let sink_info = Box::new(sink_info);
|
||||
let sink_info_ptr = Box::into_raw(sink_info) as glib_ffi::gpointer;
|
||||
|
||||
let type_info = gobject_ffi::GTypeInfo {
|
||||
class_size: mem::size_of::<RsSinkClass>() as u16,
|
||||
base_init: None,
|
||||
base_finalize: None,
|
||||
class_init: Some(sink_sub_class_init),
|
||||
class_finalize: None,
|
||||
class_data: sink_info_ptr,
|
||||
instance_size: mem::size_of::<RsSink>() as u16,
|
||||
n_preallocs: 0,
|
||||
instance_init: None,
|
||||
value_table: ptr::null(),
|
||||
};
|
||||
|
||||
let type_ = gobject_ffi::g_type_register_static(
|
||||
parent_type,
|
||||
type_name.to_glib_none().0,
|
||||
&type_info,
|
||||
gobject_ffi::GTypeFlags::empty(),
|
||||
);
|
||||
|
||||
gst::Element::register(plugin, &name, rank, from_glib(type_));
|
||||
}
|
||||
let type_ = register_type(sink_static);
|
||||
gst::Element::register(plugin, &name, rank, type_);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue