mirror of
https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs.git
synced 2024-11-25 21:11:00 +00:00
Port Source over to the new infrastructure
This commit is contained in:
Sebastian Dröge
parent
540011a4a0
commit
1f880caee1
8 changed files with 284 additions and 580 deletions
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@ -30,7 +30,7 @@ pub struct FileSrc {
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}
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impl FileSrc {
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pub fn new(_src: &RsSrcWrapper) -> FileSrc {
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pub fn new(_src: &RsBaseSrc) -> FileSrc {
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FileSrc {
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streaming_state: StreamingState::Stopped,
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cat: gst::DebugCategory::new(
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@ -41,7 +41,7 @@ impl FileSrc {
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}
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}
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pub fn new_boxed(src: &RsSrcWrapper) -> Box<Source> {
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pub fn new_boxed(src: &RsBaseSrc) -> Box<SourceImpl> {
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Box::new(FileSrc::new(src))
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}
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}
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@ -56,16 +56,16 @@ fn validate_uri(uri: &Url) -> Result<(), UriError> {
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Ok(())
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}
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impl Source for FileSrc {
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impl SourceImpl for FileSrc {
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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 is_seekable(&self, _src: &RsSrcWrapper) -> bool {
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fn is_seekable(&self, _src: &RsBaseSrc) -> bool {
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true
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}
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fn get_size(&self, _src: &RsSrcWrapper) -> Option<u64> {
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fn get_size(&self, _src: &RsBaseSrc) -> Option<u64> {
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if let StreamingState::Started { ref file, .. } = self.streaming_state {
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file.metadata().ok().map(|m| m.len())
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} else {
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@ -73,7 +73,7 @@ impl Source for FileSrc {
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}
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}
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fn start(&mut self, src: &RsSrcWrapper, uri: Url) -> Result<(), ErrorMessage> {
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fn start(&mut self, src: &RsBaseSrc, 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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@ -121,7 +121,7 @@ impl Source for FileSrc {
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Ok(())
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}
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fn stop(&mut self, _src: &RsSrcWrapper) -> Result<(), ErrorMessage> {
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fn stop(&mut self, _src: &RsBaseSrc) -> Result<(), ErrorMessage> {
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self.streaming_state = StreamingState::Stopped;
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Ok(())
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@ -129,7 +129,7 @@ impl Source for FileSrc {
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fn fill(
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&mut self,
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src: &RsSrcWrapper,
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src: &RsBaseSrc,
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offset: u64,
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_: u32,
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buffer: &mut gst::BufferRef,
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@ -189,7 +189,7 @@ impl Source for FileSrc {
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Ok(())
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}
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fn seek(&mut self, _src: &RsSrcWrapper, _: u64, _: Option<u64>) -> Result<(), ErrorMessage> {
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fn seek(&mut self, _src: &RsBaseSrc, _: u64, _: Option<u64>) -> Result<(), ErrorMessage> {
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Ok(())
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}
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}
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@ -41,7 +41,7 @@ pub struct HttpSrc {
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}
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impl HttpSrc {
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pub fn new(_src: &RsSrcWrapper) -> HttpSrc {
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pub fn new(_src: &RsBaseSrc) -> HttpSrc {
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HttpSrc {
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streaming_state: StreamingState::Stopped,
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cat: gst::DebugCategory::new(
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@ -53,13 +53,13 @@ impl HttpSrc {
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}
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}
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pub fn new_boxed(src: &RsSrcWrapper) -> Box<Source> {
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pub fn new_boxed(src: &RsBaseSrc) -> Box<SourceImpl> {
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Box::new(HttpSrc::new(src))
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}
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fn do_request(
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&self,
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src: &RsSrcWrapper,
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src: &RsBaseSrc,
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uri: Url,
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start: u64,
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stop: Option<u64>,
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@ -152,44 +152,39 @@ fn validate_uri(uri: &Url) -> Result<(), UriError> {
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Ok(())
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}
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impl Source for HttpSrc {
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impl SourceImpl for HttpSrc {
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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 is_seekable(&self, _src: &RsSrcWrapper) -> bool {
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fn is_seekable(&self, _src: &RsBaseSrc) -> bool {
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match self.streaming_state {
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StreamingState::Started { seekable, .. } => seekable,
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_ => false,
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}
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}
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fn get_size(&self, _src: &RsSrcWrapper) -> Option<u64> {
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fn get_size(&self, _src: &RsBaseSrc) -> Option<u64> {
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match self.streaming_state {
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StreamingState::Started { size, .. } => size,
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_ => None,
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}
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}
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fn start(&mut self, src: &RsSrcWrapper, uri: Url) -> Result<(), ErrorMessage> {
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fn start(&mut self, src: &RsBaseSrc, uri: Url) -> Result<(), ErrorMessage> {
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self.streaming_state = StreamingState::Stopped;
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self.streaming_state = try!(self.do_request(src, uri, 0, None));
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Ok(())
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}
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fn stop(&mut self, _src: &RsSrcWrapper) -> Result<(), ErrorMessage> {
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fn stop(&mut self, _src: &RsBaseSrc) -> 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 seek(
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&mut self,
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src: &RsSrcWrapper,
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start: u64,
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stop: Option<u64>,
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) -> Result<(), ErrorMessage> {
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fn seek(&mut self, src: &RsBaseSrc, start: u64, stop: Option<u64>) -> Result<(), ErrorMessage> {
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let (position, old_stop, uri) = match self.streaming_state {
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StreamingState::Started {
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position,
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@ -214,7 +209,7 @@ impl Source for HttpSrc {
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fn fill(
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&mut self,
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src: &RsSrcWrapper,
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src: &RsBaseSrc,
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offset: u64,
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_: u32,
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buffer: &mut gst::BufferRef,
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@ -27,8 +27,12 @@ use element::*;
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pub trait BaseSrcImpl
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: mopa::Any + ObjectImpl + ElementImpl + Send + Sync + 'static {
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fn start(&self, element: &gst_base::BaseSrc) -> bool;
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fn stop(&self, element: &gst_base::BaseSrc) -> bool;
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fn start(&self, _element: &gst_base::BaseSrc) -> bool {
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true
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}
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fn stop(&self, _element: &gst_base::BaseSrc) -> bool {
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true
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}
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fn is_seekable(&self, _element: &gst_base::BaseSrc) -> bool {
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false
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}
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@ -216,9 +220,9 @@ impl ObjectImpl for Box<BaseSrcImpl> {
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imp.set_property(obj, id, value);
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}
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fn get_property(&self, obj: &glib::Object, id: u32, value: &mut glib::Value) {
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fn get_property(&self, obj: &glib::Object, id: u32) -> Result<glib::Value, ()> {
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let imp: &BaseSrcImpl = self.as_ref();
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imp.get_property(obj, id, value);
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imp.get_property(obj, id)
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}
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}
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@ -127,9 +127,9 @@ impl ObjectImpl for Box<ElementImpl> {
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imp.set_property(obj, id, value);
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}
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fn get_property(&self, obj: &glib::Object, id: u32, value: &mut glib::Value) {
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fn get_property(&self, obj: &glib::Object, id: u32) -> Result<glib::Value, ()> {
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let imp: &ElementImpl = self.as_ref();
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imp.get_property(obj, id, value);
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imp.get_property(obj, id)
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}
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}
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@ -110,8 +110,8 @@ impl ErrorMessage {
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gst_ffi::GST_MESSAGE_ERROR,
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error_domain,
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error_code,
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message.to_glib_none().0,
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debug.to_glib_none().0,
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message.to_glib_full(),
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debug.to_glib_full(),
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filename.to_glib_none().0,
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function.to_glib_none().0,
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line as i32,
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@ -215,7 +215,7 @@ impl Error for UriError {
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}
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}
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pub type UriValidator = Fn(&Url) -> Result<(), UriError>;
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pub type UriValidator = Fn(&Url) -> Result<(), UriError> + Send + Sync + 'static;
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#[macro_export]
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macro_rules! panic_to_error(
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@ -22,21 +22,13 @@ pub trait ObjectImpl: Send + Sync + 'static {
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unimplemented!()
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}
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fn get_property(&self, _obj: &glib::Object, _id: u32, _value: &mut glib::Value) {
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fn get_property(&self, _obj: &glib::Object, _id: u32) -> Result<glib::Value, ()> {
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unimplemented!()
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}
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fn notify(&self, obj: &glib::Object, id: u32) {
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fn notify(&self, obj: &glib::Object, name: &str) {
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unsafe {
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let stash = obj.to_glib_none();
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let ptr: *mut gobject_ffi::GObject = stash.0;
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let klass = *(ptr as *const *const gobject_ffi::GObjectClass);
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let mut n_pspecs = 0;
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let pspecs =
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gobject_ffi::g_object_class_list_properties(klass as *mut _, &mut n_pspecs);
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assert!(n_pspecs > id);
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gobject_ffi::g_object_notify_by_pspec(ptr, *pspecs.offset(id as isize));
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gobject_ffi::g_object_notify(obj.to_glib_none().0, name.to_glib_none().0);
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}
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}
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}
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@ -68,7 +60,7 @@ where
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unimplemented!()
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}
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fn get_property(_obj: &Self::RsType, _id: u32, _value: &mut glib::Value) {
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fn get_property(_obj: &Self::RsType, _id: u32) -> Result<glib::Value, ()> {
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unimplemented!()
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}
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}
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@ -357,11 +349,14 @@ unsafe extern "C" fn get_property<T: ObjectType>(
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_pspec: *mut gobject_ffi::GParamSpec,
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) {
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callback_guard!();
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T::get_property(
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&from_glib_borrow(obj as *mut InstanceStruct<T>),
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id,
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&mut *(value as *mut glib::Value),
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);
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match T::get_property(&from_glib_borrow(obj as *mut InstanceStruct<T>), id - 1) {
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Ok(v) => {
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gobject_ffi::g_value_unset(value);
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ptr::write(value, ptr::read(v.to_glib_none().0));
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mem::forget(v);
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}
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Err(_) => unimplemented!(),
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}
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}
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unsafe extern "C" fn set_property<T: ObjectType>(
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@ -373,7 +368,7 @@ unsafe extern "C" fn set_property<T: ObjectType>(
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callback_guard!();
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T::set_property(
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&from_glib_borrow(obj as *mut InstanceStruct<T>),
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id,
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id - 1,
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&*(value as *mut glib::Value),
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);
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}
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@ -452,11 +447,15 @@ unsafe extern "C" fn sub_get_property<T: ObjectType>(
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callback_guard!();
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let instance = &*(obj as *mut InstanceStruct<T>);
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let imp = instance.get_impl();
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imp.get_property(
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&from_glib_borrow(obj),
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id,
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&mut *(value as *mut glib::Value),
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);
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match imp.get_property(&from_glib_borrow(obj), id - 1) {
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Ok(v) => {
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gobject_ffi::g_value_unset(value);
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ptr::write(value, ptr::read(v.to_glib_none().0));
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mem::forget(v);
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}
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Err(_) => unimplemented!(),
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}
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}
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unsafe extern "C" fn sub_set_property<T: ObjectType>(
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@ -468,7 +467,11 @@ unsafe extern "C" fn sub_set_property<T: ObjectType>(
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callback_guard!();
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let instance = &*(obj as *mut InstanceStruct<T>);
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let imp = instance.get_impl();
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imp.set_property(&from_glib_borrow(obj), id, &*(value as *mut glib::Value));
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imp.set_property(
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&from_glib_borrow(obj),
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id - 1,
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&*(value as *mut glib::Value),
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);
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}
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unsafe extern "C" fn sub_init<T: ObjectType>(
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@ -476,6 +479,8 @@ unsafe extern "C" fn sub_init<T: ObjectType>(
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_klass: glib_ffi::gpointer,
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) {
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callback_guard!();
|
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// Get rid of floating reference, if any
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gobject_ffi::g_object_ref_sink(obj as *mut gobject_ffi::GObject);
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let instance = &mut *(obj as *mut InstanceStruct<T>);
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let klass = &**(obj as *const *const ClassStruct<T>);
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let rs_instance: T::RsType = from_glib_borrow(obj as *mut InstanceStruct<T>);
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|
|
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|
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@ -6,126 +6,176 @@
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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::u64;
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|
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use std::panic::{self, AssertUnwindSafe};
|
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|
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use std::sync::Mutex;
|
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use std::sync::atomic::{AtomicBool, Ordering};
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|
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use url::Url;
|
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|
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use error::*;
|
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|
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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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|
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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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|
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pub struct SourceWrapper {
|
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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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source: Mutex<Box<Source>>,
|
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panicked: AtomicBool,
|
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}
|
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use object::*;
|
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use element::*;
|
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use base_src::*;
|
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use uri_handler::*;
|
||||
|
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pub trait Source: Send + 'static {
|
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pub use base_src::RsBaseSrc;
|
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|
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pub trait SourceImpl: Send + 'static {
|
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fn uri_validator(&self) -> Box<UriValidator>;
|
||||
|
||||
fn is_seekable(&self, src: &RsSrcWrapper) -> bool;
|
||||
fn get_size(&self, src: &RsSrcWrapper) -> Option<u64>;
|
||||
fn is_seekable(&self, src: &RsBaseSrc) -> bool;
|
||||
fn get_size(&self, src: &RsBaseSrc) -> Option<u64>;
|
||||
|
||||
fn start(&mut self, src: &RsSrcWrapper, uri: Url) -> Result<(), ErrorMessage>;
|
||||
fn stop(&mut self, src: &RsSrcWrapper) -> Result<(), ErrorMessage>;
|
||||
fn start(&mut self, src: &RsBaseSrc, uri: Url) -> Result<(), ErrorMessage>;
|
||||
fn stop(&mut self, src: &RsBaseSrc) -> Result<(), ErrorMessage>;
|
||||
fn fill(
|
||||
&mut self,
|
||||
src: &RsSrcWrapper,
|
||||
src: &RsBaseSrc,
|
||||
offset: u64,
|
||||
length: u32,
|
||||
buffer: &mut gst::BufferRef,
|
||||
) -> Result<(), FlowError>;
|
||||
fn seek(
|
||||
&mut self,
|
||||
src: &RsSrcWrapper,
|
||||
start: u64,
|
||||
stop: Option<u64>,
|
||||
) -> Result<(), ErrorMessage>;
|
||||
fn seek(&mut self, src: &RsBaseSrc, start: u64, stop: Option<u64>) -> Result<(), ErrorMessage>;
|
||||
}
|
||||
|
||||
impl SourceWrapper {
|
||||
fn new(source: Box<Source>) -> SourceWrapper {
|
||||
SourceWrapper {
|
||||
struct Source {
|
||||
cat: gst::DebugCategory,
|
||||
uri: Mutex<(Option<Url>, bool)>,
|
||||
uri_validator: Box<UriValidator>,
|
||||
imp: Mutex<Box<SourceImpl>>,
|
||||
push_only: bool,
|
||||
}
|
||||
|
||||
static PROPERTIES: [Property; 1] = [
|
||||
Property::String(
|
||||
"uri",
|
||||
"URI",
|
||||
"URI to read from",
|
||||
None,
|
||||
PropertyMutability::ReadWrite,
|
||||
),
|
||||
];
|
||||
|
||||
impl Source {
|
||||
fn new(source: &RsBaseSrc, source_info: &SourceInfo) -> Self {
|
||||
let source_impl = (source_info.create_instance)(source);
|
||||
|
||||
Self {
|
||||
cat: gst::DebugCategory::new(
|
||||
"rssrc",
|
||||
"rssource",
|
||||
gst::DebugColorFlags::empty(),
|
||||
"Rust source base class",
|
||||
),
|
||||
uri: Mutex::new((None, false)),
|
||||
uri_validator: source.uri_validator(),
|
||||
source: Mutex::new(source),
|
||||
panicked: AtomicBool::new(false),
|
||||
uri_validator: source_impl.uri_validator(),
|
||||
imp: Mutex::new(source_impl),
|
||||
push_only: source_info.push_only,
|
||||
}
|
||||
}
|
||||
|
||||
fn set_uri(&self, src: &RsSrcWrapper, uri_str: Option<&str>) -> Result<(), UriError> {
|
||||
fn class_init(klass: &mut RsBaseSrcClass, source_info: &SourceInfo) {
|
||||
klass.set_metadata(
|
||||
&source_info.long_name,
|
||||
&source_info.classification,
|
||||
&source_info.description,
|
||||
&source_info.author,
|
||||
);
|
||||
|
||||
let caps = gst::Caps::new_any();
|
||||
let pad_template = gst::PadTemplate::new(
|
||||
"src",
|
||||
gst::PadDirection::Src,
|
||||
gst::PadPresence::Always,
|
||||
&caps,
|
||||
);
|
||||
klass.add_pad_template(pad_template);
|
||||
|
||||
klass.install_properties(&PROPERTIES);
|
||||
}
|
||||
|
||||
fn init(element: &RsBaseSrc, source_info: &SourceInfo) -> Box<BaseSrcImpl> {
|
||||
element.set_blocksize(4096);
|
||||
|
||||
let imp = Self::new(element, source_info);
|
||||
Box::new(imp)
|
||||
}
|
||||
|
||||
fn get_uri(&self, _element: &glib::Object) -> Option<String> {
|
||||
let uri_storage = &self.uri.lock().unwrap();
|
||||
uri_storage.0.as_ref().map(|uri| String::from(uri.as_str()))
|
||||
}
|
||||
|
||||
fn set_uri(&self, element: &glib::Object, uri_str: Option<String>) -> Result<(), glib::Error> {
|
||||
let src = element.clone().dynamic_cast::<RsBaseSrc>().unwrap();
|
||||
|
||||
let uri_storage = &mut self.uri.lock().unwrap();
|
||||
|
||||
gst_debug!(self.cat, obj: src, "Setting URI {:?}", uri_str);
|
||||
gst_debug!(self.cat, obj: &src, "Setting URI {:?}", uri_str);
|
||||
|
||||
if uri_storage.1 {
|
||||
return Err(UriError::new(
|
||||
gst::URIError::BadState,
|
||||
"Already started".to_string(),
|
||||
));
|
||||
return Err(
|
||||
UriError::new(gst::URIError::BadState, "Already started".to_string()).into_error(),
|
||||
);
|
||||
}
|
||||
|
||||
uri_storage.0 = None;
|
||||
|
||||
if let Some(uri_str) = uri_str {
|
||||
match Url::parse(uri_str) {
|
||||
match Url::parse(uri_str.as_str()) {
|
||||
Ok(uri) => {
|
||||
try!((self.uri_validator)(&uri));
|
||||
try!((self.uri_validator)(&uri).map_err(|e| e.into_error()));
|
||||
uri_storage.0 = Some(uri);
|
||||
Ok(())
|
||||
}
|
||||
Err(err) => Err(UriError::new(
|
||||
Err(err) => Err(
|
||||
UriError::new(
|
||||
gst::URIError::BadUri,
|
||||
format!("Failed to parse URI '{}': {}", uri_str, err),
|
||||
)),
|
||||
).into_error(),
|
||||
),
|
||||
}
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
fn get_uri(&self, _src: &RsSrcWrapper) -> Option<String> {
|
||||
let uri_storage = &self.uri.lock().unwrap();
|
||||
uri_storage.0.as_ref().map(|uri| String::from(uri.as_str()))
|
||||
}
|
||||
|
||||
fn is_seekable(&self, src: &RsSrcWrapper) -> bool {
|
||||
let source_impl = &self.source.lock().unwrap();
|
||||
source_impl.is_seekable(src)
|
||||
impl ObjectImpl for Source {
|
||||
fn set_property(&self, obj: &glib::Object, id: u32, value: &glib::Value) {
|
||||
let prop = &PROPERTIES[id as usize];
|
||||
|
||||
match *prop {
|
||||
Property::String("uri", ..) => {
|
||||
self.set_uri(obj, value.get()).unwrap();
|
||||
}
|
||||
_ => unimplemented!(),
|
||||
}
|
||||
}
|
||||
|
||||
fn get_size(&self, src: &RsSrcWrapper) -> u64 {
|
||||
let source_impl = &self.source.lock().unwrap();
|
||||
source_impl.get_size(src).unwrap_or(u64::MAX)
|
||||
fn get_property(&self, obj: &glib::Object, id: u32) -> Result<glib::Value, ()> {
|
||||
let prop = &PROPERTIES[id as usize];
|
||||
|
||||
match *prop {
|
||||
Property::String("uri", ..) => Ok(self.get_uri(obj).to_value()),
|
||||
_ => unimplemented!(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn start(&self, src: &RsSrcWrapper) -> bool {
|
||||
gst_debug!(self.cat, obj: src, "Starting");
|
||||
impl ElementImpl for Source {}
|
||||
|
||||
impl BaseSrcImpl for Source {
|
||||
fn start(&self, element: &gst_base::BaseSrc) -> bool {
|
||||
let src = element.clone().downcast::<RsBaseSrc>().unwrap();
|
||||
|
||||
gst_debug!(self.cat, obj: &src, "Starting");
|
||||
|
||||
// Don't keep the URI locked while we call start later
|
||||
let uri = match *self.uri.lock().unwrap() {
|
||||
|
|
@ -134,76 +184,90 @@ impl SourceWrapper {
|
|||
uri.clone()
|
||||
}
|
||||
(None, _) => {
|
||||
gst_error!(self.cat, obj: src, "No URI given");
|
||||
self.post_message(
|
||||
src,
|
||||
&error_msg!(gst::ResourceError::OpenRead, ["No URI given"]),
|
||||
);
|
||||
gst_error!(self.cat, obj: &src, "No URI given");
|
||||
error_msg!(gst::ResourceError::OpenRead, ["No URI given"]).post(&src);
|
||||
return false;
|
||||
}
|
||||
};
|
||||
|
||||
let source_impl = &mut self.source.lock().unwrap();
|
||||
match source_impl.start(src, uri) {
|
||||
let source_impl = &mut self.imp.lock().unwrap();
|
||||
match source_impl.start(&src, uri) {
|
||||
Ok(..) => {
|
||||
gst_trace!(self.cat, obj: src, "Started successfully");
|
||||
gst_trace!(self.cat, obj: &src, "Started successfully");
|
||||
true
|
||||
}
|
||||
Err(ref msg) => {
|
||||
gst_error!(self.cat, obj: src, "Failed to start: {:?}", msg);
|
||||
gst_error!(self.cat, obj: &src, "Failed to start: {:?}", msg);
|
||||
|
||||
self.uri.lock().unwrap().1 = false;
|
||||
self.post_message(src, msg);
|
||||
msg.post(&src);
|
||||
false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn stop(&self, src: &RsSrcWrapper) -> bool {
|
||||
let source_impl = &mut self.source.lock().unwrap();
|
||||
fn stop(&self, element: &gst_base::BaseSrc) -> bool {
|
||||
let src = element.clone().downcast::<RsBaseSrc>().unwrap();
|
||||
let source_impl = &mut self.imp.lock().unwrap();
|
||||
|
||||
gst_debug!(self.cat, obj: src, "Stopping");
|
||||
gst_debug!(self.cat, obj: &src, "Stopping");
|
||||
|
||||
match source_impl.stop(src) {
|
||||
match source_impl.stop(&src) {
|
||||
Ok(..) => {
|
||||
gst_trace!(self.cat, obj: src, "Stopped successfully");
|
||||
gst_trace!(self.cat, obj: &src, "Stopped successfully");
|
||||
self.uri.lock().unwrap().1 = false;
|
||||
true
|
||||
}
|
||||
Err(ref msg) => {
|
||||
gst_error!(self.cat, obj: src, "Failed to stop: {:?}", msg);
|
||||
gst_error!(self.cat, obj: &src, "Failed to stop: {:?}", msg);
|
||||
|
||||
self.post_message(src, msg);
|
||||
msg.post(&src);
|
||||
false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn query(&self, element: &gst_base::BaseSrc, query: &mut gst::QueryRef) -> bool {
|
||||
use gst::QueryView;
|
||||
|
||||
match query.view_mut() {
|
||||
QueryView::Scheduling(ref mut q) if self.push_only => {
|
||||
q.set(gst::SCHEDULING_FLAG_SEQUENTIAL, 1, -1, 0);
|
||||
q.add_scheduling_modes(&[gst::PadMode::Push]);
|
||||
return true;
|
||||
}
|
||||
_ => (),
|
||||
}
|
||||
|
||||
element.parent_query(query)
|
||||
}
|
||||
|
||||
fn fill(
|
||||
&self,
|
||||
src: &RsSrcWrapper,
|
||||
element: &gst_base::BaseSrc,
|
||||
offset: u64,
|
||||
length: u32,
|
||||
buffer: &mut gst::BufferRef,
|
||||
) -> gst::FlowReturn {
|
||||
let source_impl = &mut self.source.lock().unwrap();
|
||||
let src = element.clone().downcast::<RsBaseSrc>().unwrap();
|
||||
let source_impl = &mut self.imp.lock().unwrap();
|
||||
|
||||
gst_trace!(
|
||||
self.cat,
|
||||
obj: src,
|
||||
obj: &src,
|
||||
"Filling buffer {:?} with offset {} and length {}",
|
||||
buffer,
|
||||
offset,
|
||||
length
|
||||
);
|
||||
|
||||
match source_impl.fill(src, offset, length, buffer) {
|
||||
match source_impl.fill(&src, offset, length, buffer) {
|
||||
Ok(()) => gst::FlowReturn::Ok,
|
||||
Err(flow_error) => {
|
||||
gst_error!(self.cat, obj: src, "Failed to fill: {:?}", flow_error);
|
||||
gst_error!(self.cat, obj: &src, "Failed to fill: {:?}", flow_error);
|
||||
match flow_error {
|
||||
FlowError::NotNegotiated(ref msg) | FlowError::Error(ref msg) => {
|
||||
self.post_message(src, msg)
|
||||
msg.post(&src);
|
||||
}
|
||||
_ => (),
|
||||
}
|
||||
|
|
@ -212,154 +276,49 @@ impl SourceWrapper {
|
|||
}
|
||||
}
|
||||
|
||||
fn seek(&self, src: &RsSrcWrapper, start: u64, stop: Option<u64>) -> bool {
|
||||
let source_impl = &mut self.source.lock().unwrap();
|
||||
fn do_seek(&self, element: &gst_base::BaseSrc, segment: &mut gst::Segment) -> bool {
|
||||
let src = element.clone().downcast::<RsBaseSrc>().unwrap();
|
||||
let source_impl = &mut self.imp.lock().unwrap();
|
||||
|
||||
gst_debug!(self.cat, obj: src, "Seeking to {:?}-{:?}", start, stop);
|
||||
|
||||
match source_impl.seek(src, start, stop) {
|
||||
Ok(..) => true,
|
||||
Err(ref msg) => {
|
||||
gst_error!(self.cat, obj: src, "Failed to seek {:?}", msg);
|
||||
self.post_message(src, msg);
|
||||
false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn post_message(&self, src: &RsSrcWrapper, msg: &ErrorMessage) {
|
||||
msg.post(src);
|
||||
}
|
||||
}
|
||||
|
||||
unsafe fn source_set_uri(
|
||||
ptr: *mut RsSrc,
|
||||
uri_ptr: *const c_char,
|
||||
cerr: *mut *mut glib_ffi::GError,
|
||||
) -> glib_ffi::gboolean {
|
||||
let src: &RsSrcWrapper = &from_glib_borrow(ptr as *mut RsSrc);
|
||||
let wrap = src.get_wrap();
|
||||
|
||||
panic_to_error!(wrap, src, false, {
|
||||
let uri_str = if uri_ptr.is_null() {
|
||||
None
|
||||
} else {
|
||||
Some(CStr::from_ptr(uri_ptr).to_str().unwrap())
|
||||
let start = segment.get_start();
|
||||
let stop = match segment.get_stop() {
|
||||
u64::MAX => None,
|
||||
stop @ _ => Some(stop),
|
||||
};
|
||||
|
||||
match wrap.set_uri(src, uri_str) {
|
||||
Err(err) => {
|
||||
gst_error!(wrap.cat, obj: src, "Failed to set URI {:?}", err);
|
||||
if !cerr.is_null() {
|
||||
let err = err.into_error();
|
||||
*cerr = err.to_glib_full() as *mut _;
|
||||
}
|
||||
gst_debug!(self.cat, obj: &src, "Seeking to {:?}-{:?}", start, stop);
|
||||
|
||||
match source_impl.seek(&src, start, stop) {
|
||||
Ok(..) => true,
|
||||
Err(ref msg) => {
|
||||
gst_error!(self.cat, obj: &src, "Failed to seek {:?}", msg);
|
||||
msg.post(&src);
|
||||
false
|
||||
}
|
||||
Ok(_) => true,
|
||||
}
|
||||
}).to_glib()
|
||||
}
|
||||
|
||||
unsafe fn source_get_uri(ptr: *mut RsSrc) -> *mut c_char {
|
||||
let src: &RsSrcWrapper = &from_glib_borrow(ptr as *mut RsSrc);
|
||||
let wrap = src.get_wrap();
|
||||
|
||||
panic_to_error!(wrap, src, None, { wrap.get_uri(src) }).to_glib_full()
|
||||
fn is_seekable(&self, element: &gst_base::BaseSrc) -> bool {
|
||||
let src = element.clone().downcast::<RsBaseSrc>().unwrap();
|
||||
let source_impl = &self.imp.lock().unwrap();
|
||||
source_impl.is_seekable(&src)
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_is_seekable(ptr: *mut gst_base_ffi::GstBaseSrc) -> glib_ffi::gboolean {
|
||||
let src: &RsSrcWrapper = &from_glib_borrow(ptr as *mut RsSrc);
|
||||
let wrap = src.get_wrap();
|
||||
|
||||
panic_to_error!(wrap, src, false, { wrap.is_seekable(src) }).to_glib()
|
||||
fn get_size(&self, element: &gst_base::BaseSrc) -> Option<u64> {
|
||||
let src = element.clone().downcast::<RsBaseSrc>().unwrap();
|
||||
let source_impl = &self.imp.lock().unwrap();
|
||||
source_impl.get_size(&src)
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_get_size(
|
||||
ptr: *mut gst_base_ffi::GstBaseSrc,
|
||||
size: *mut u64,
|
||||
) -> glib_ffi::gboolean {
|
||||
let src: &RsSrcWrapper = &from_glib_borrow(ptr as *mut RsSrc);
|
||||
let wrap = src.get_wrap();
|
||||
|
||||
panic_to_error!(wrap, src, false, {
|
||||
*size = wrap.get_size(src);
|
||||
true
|
||||
}).to_glib()
|
||||
impl URIHandlerImpl for Source {
|
||||
fn get_uri(&self, element: &gst::URIHandler) -> Option<String> {
|
||||
Source::get_uri(self, &element.clone().upcast())
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_start(ptr: *mut gst_base_ffi::GstBaseSrc) -> glib_ffi::gboolean {
|
||||
let src: &RsSrcWrapper = &from_glib_borrow(ptr as *mut RsSrc);
|
||||
let wrap = src.get_wrap();
|
||||
|
||||
panic_to_error!(wrap, src, false, { wrap.start(src) }).to_glib()
|
||||
fn set_uri(&self, element: &gst::URIHandler, uri: Option<String>) -> Result<(), glib::Error> {
|
||||
Source::set_uri(self, &element.clone().upcast(), uri)
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_stop(ptr: *mut gst_base_ffi::GstBaseSrc) -> glib_ffi::gboolean {
|
||||
let src: &RsSrcWrapper = &from_glib_borrow(ptr as *mut RsSrc);
|
||||
let wrap = src.get_wrap();
|
||||
|
||||
panic_to_error!(wrap, src, false, { wrap.stop(src) }).to_glib()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_fill(
|
||||
ptr: *mut gst_base_ffi::GstBaseSrc,
|
||||
offset: u64,
|
||||
length: u32,
|
||||
buffer: *mut gst_ffi::GstBuffer,
|
||||
) -> gst_ffi::GstFlowReturn {
|
||||
let src: &RsSrcWrapper = &from_glib_borrow(ptr as *mut RsSrc);
|
||||
let wrap = src.get_wrap();
|
||||
let buffer = gst::BufferRef::from_mut_ptr(buffer);
|
||||
|
||||
panic_to_error!(wrap, src, gst::FlowReturn::Error, {
|
||||
wrap.fill(src, offset, length, buffer)
|
||||
}).to_glib()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_seek(
|
||||
ptr: *mut gst_base_ffi::GstBaseSrc,
|
||||
segment: *mut gst_ffi::GstSegment,
|
||||
) -> glib_ffi::gboolean {
|
||||
let src: &RsSrcWrapper = &from_glib_borrow(ptr as *mut RsSrc);
|
||||
let wrap = src.get_wrap();
|
||||
|
||||
let start = (*segment).start;
|
||||
let stop = (*segment).stop;
|
||||
|
||||
panic_to_error!(wrap, src, false, {
|
||||
wrap.seek(src, start, if stop == u64::MAX { None } else { Some(stop) })
|
||||
}).to_glib()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_query(
|
||||
ptr: *mut gst_base_ffi::GstBaseSrc,
|
||||
query_ptr: *mut gst_ffi::GstQuery,
|
||||
) -> glib_ffi::gboolean {
|
||||
let src_klass = &**(ptr as *mut *mut RsSrcClass);
|
||||
let source_info = &*src_klass.source_info;
|
||||
let parent_klass = &*(src_klass.parent_vtable as *const gst_base_ffi::GstBaseSrcClass);
|
||||
|
||||
let src: &RsSrcWrapper = &from_glib_borrow(ptr as *mut RsSrc);
|
||||
let wrap = src.get_wrap();
|
||||
|
||||
let query = gst::QueryRef::from_mut_ptr(query_ptr);
|
||||
|
||||
panic_to_error!(wrap, src, false, {
|
||||
use gst::QueryView;
|
||||
|
||||
match query.view_mut() {
|
||||
QueryView::Scheduling(ref mut q) if source_info.push_only => {
|
||||
q.set(gst::SCHEDULING_FLAG_SEQUENTIAL, 1, -1, 0);
|
||||
q.add_scheduling_modes(&[gst::PadMode::Push]);
|
||||
true
|
||||
}
|
||||
_ => parent_klass
|
||||
.query
|
||||
.map(|f| from_glib(f(ptr, query_ptr)))
|
||||
.unwrap_or(false),
|
||||
}
|
||||
}).to_glib()
|
||||
}
|
||||
|
||||
pub struct SourceInfo {
|
||||
|
|
@ -369,318 +328,57 @@ pub struct SourceInfo {
|
|||
pub classification: String,
|
||||
pub author: String,
|
||||
pub rank: u32,
|
||||
pub create_instance: fn(&RsSrcWrapper) -> Box<Source>,
|
||||
pub create_instance: fn(&RsBaseSrc) -> Box<SourceImpl>,
|
||||
pub protocols: Vec<String>,
|
||||
pub push_only: bool,
|
||||
}
|
||||
|
||||
glib_wrapper! {
|
||||
pub struct RsSrcWrapper(Object<RsSrc>): [gst_base::BaseSrc => gst_base_ffi::GstBaseSrc,
|
||||
gst::Element => gst_ffi::GstElement,
|
||||
gst::Object => gst_ffi::GstObject,
|
||||
gst::URIHandler => gst_ffi::GstURIHandler,
|
||||
];
|
||||
struct SourceStatic {
|
||||
name: String,
|
||||
source_info: SourceInfo,
|
||||
}
|
||||
|
||||
match fn {
|
||||
get_type => || rs_src_get_type(),
|
||||
impl ImplTypeStatic<RsBaseSrc> for SourceStatic {
|
||||
fn get_name(&self) -> &str {
|
||||
self.name.as_str()
|
||||
}
|
||||
|
||||
fn new(&self, element: &RsBaseSrc) -> Box<BaseSrcImpl> {
|
||||
Source::init(element, &self.source_info)
|
||||
}
|
||||
|
||||
fn class_init(&self, klass: &mut RsBaseSrcClass) {
|
||||
Source::class_init(klass, &self.source_info);
|
||||
}
|
||||
|
||||
fn type_init(&self, token: &TypeInitToken, type_: glib::Type) {
|
||||
register_uri_handler(token, type_, self);
|
||||
}
|
||||
}
|
||||
|
||||
impl RsSrcWrapper {
|
||||
fn get_wrap(&self) -> &SourceWrapper {
|
||||
let stash = self.to_glib_none();
|
||||
let src: *mut RsSrc = stash.0;
|
||||
|
||||
unsafe { &*((*src).wrap) }
|
||||
}
|
||||
impl URIHandlerImplStatic<RsBaseSrc> for SourceStatic {
|
||||
fn get_impl<'a>(&self, imp: &'a Box<BaseSrcImpl>) -> &'a URIHandlerImpl {
|
||||
imp.downcast_ref::<Source>().unwrap()
|
||||
}
|
||||
|
||||
#[repr(u32)]
|
||||
enum Properties {
|
||||
PropURI = 1u32,
|
||||
fn get_type(&self) -> gst::URIType {
|
||||
gst::URIType::Src
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
pub struct RsSrc {
|
||||
parent: gst_base_ffi::GstPushSrc,
|
||||
wrap: *mut SourceWrapper,
|
||||
fn get_protocols(&self) -> Vec<String> {
|
||||
self.source_info.protocols.clone()
|
||||
}
|
||||
|
||||
#[repr(C)]
|
||||
pub struct RsSrcClass {
|
||||
parent_class: gst_base_ffi::GstPushSrcClass,
|
||||
source_info: *const SourceInfo,
|
||||
protocols: *const Vec<*const c_char>,
|
||||
parent_vtable: glib_ffi::gconstpointer,
|
||||
}
|
||||
|
||||
unsafe fn rs_src_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::<RsSrcClass>() as u16,
|
||||
base_init: None,
|
||||
base_finalize: None,
|
||||
class_init: Some(source_class_init),
|
||||
class_finalize: None,
|
||||
class_data: ptr::null_mut(),
|
||||
instance_size: mem::size_of::<RsSrc>() as u16,
|
||||
n_preallocs: 0,
|
||||
instance_init: Some(source_init),
|
||||
value_table: ptr::null(),
|
||||
};
|
||||
|
||||
let type_name = {
|
||||
let mut idx = 0;
|
||||
|
||||
loop {
|
||||
let type_name = CString::new(format!("RsSrc-{}", 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_src_get_type(),
|
||||
type_name.as_ptr(),
|
||||
&type_info,
|
||||
gobject_ffi::GTypeFlags::empty(),
|
||||
);
|
||||
|
||||
let iface_info = gobject_ffi::GInterfaceInfo {
|
||||
interface_init: Some(source_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 source_finalize(obj: *mut gobject_ffi::GObject) {
|
||||
let src = &mut *(obj as *mut RsSrc);
|
||||
|
||||
drop(Box::from_raw(src.wrap));
|
||||
src.wrap = ptr::null_mut();
|
||||
|
||||
let src_klass = &**(obj as *const *const RsSrcClass);
|
||||
let parent_klass = &*(src_klass.parent_vtable as *const gobject_ffi::GObjectClass);
|
||||
parent_klass.finalize.map(|f| f(obj));
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_set_property(
|
||||
obj: *mut gobject_ffi::GObject,
|
||||
id: u32,
|
||||
value: *mut gobject_ffi::GValue,
|
||||
_pspec: *mut gobject_ffi::GParamSpec,
|
||||
) {
|
||||
let src = obj as *mut RsSrc;
|
||||
|
||||
match mem::transmute(id) {
|
||||
Properties::PropURI => {
|
||||
let uri_ptr = gobject_ffi::g_value_get_string(value);
|
||||
source_set_uri(src, uri_ptr, ptr::null_mut());
|
||||
}
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_get_property(
|
||||
obj: *mut gobject_ffi::GObject,
|
||||
id: u32,
|
||||
value: *mut gobject_ffi::GValue,
|
||||
_pspec: *mut gobject_ffi::GParamSpec,
|
||||
) {
|
||||
let src = obj as *mut RsSrc;
|
||||
|
||||
match mem::transmute(id) {
|
||||
Properties::PropURI => {
|
||||
let uri_ptr = source_get_uri(src);
|
||||
gobject_ffi::g_value_take_string(value, uri_ptr);
|
||||
}
|
||||
_ => unreachable!(),
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_sub_class_init(
|
||||
klass: glib_ffi::gpointer,
|
||||
klass_data: glib_ffi::gpointer,
|
||||
) {
|
||||
let source_info = &*(klass_data as *const SourceInfo);
|
||||
|
||||
{
|
||||
let element_klass = &mut *(klass as *mut gst_ffi::GstElementClass);
|
||||
|
||||
gst_ffi::gst_element_class_set_metadata(
|
||||
element_klass,
|
||||
source_info.long_name.to_glib_none().0,
|
||||
source_info.classification.to_glib_none().0,
|
||||
source_info.description.to_glib_none().0,
|
||||
source_info.author.to_glib_none().0,
|
||||
);
|
||||
|
||||
// TODO: Methods + source_info.caps
|
||||
let caps = gst::Caps::new_any();
|
||||
let pad_template = gst::PadTemplate::new(
|
||||
"src",
|
||||
gst::PadDirection::Src,
|
||||
gst::PadPresence::Always,
|
||||
&caps,
|
||||
);
|
||||
gst_ffi::gst_element_class_add_pad_template(element_klass, pad_template.to_glib_full());
|
||||
}
|
||||
|
||||
{
|
||||
let src_klass = &mut *(klass as *mut RsSrcClass);
|
||||
|
||||
src_klass.source_info = source_info;
|
||||
let mut protocols = Box::new(Vec::with_capacity(source_info.protocols.len()));
|
||||
for p in &source_info.protocols {
|
||||
protocols.push(p.to_glib_full());
|
||||
}
|
||||
protocols.push(ptr::null());
|
||||
src_klass.protocols = Box::into_raw(protocols) as *const Vec<*const c_char>;
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_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(source_set_property);
|
||||
gobject_klass.get_property = Some(source_get_property);
|
||||
gobject_klass.finalize = Some(source_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,
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
{
|
||||
let basesrc_klass = &mut *(klass as *mut gst_base_ffi::GstBaseSrcClass);
|
||||
|
||||
basesrc_klass.start = Some(source_start);
|
||||
basesrc_klass.stop = Some(source_stop);
|
||||
basesrc_klass.is_seekable = Some(source_is_seekable);
|
||||
basesrc_klass.get_size = Some(source_get_size);
|
||||
basesrc_klass.fill = Some(source_fill);
|
||||
basesrc_klass.do_seek = Some(source_seek);
|
||||
basesrc_klass.query = Some(source_query);
|
||||
}
|
||||
|
||||
{
|
||||
let src_klass = &mut *(klass as *mut RsSrcClass);
|
||||
|
||||
src_klass.parent_vtable = gobject_ffi::g_type_class_peek_parent(klass);
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_init(
|
||||
instance: *mut gobject_ffi::GTypeInstance,
|
||||
klass: glib_ffi::gpointer,
|
||||
) {
|
||||
let src = &mut *(instance as *mut RsSrc);
|
||||
let src_klass = &*(klass as *const RsSrcClass);
|
||||
let source_info = &*src_klass.source_info;
|
||||
|
||||
let wrap = Box::new(SourceWrapper::new((source_info.create_instance)(
|
||||
&RsSrcWrapper::from_glib_borrow(instance as *mut _),
|
||||
)));
|
||||
src.wrap = Box::into_raw(wrap);
|
||||
|
||||
let src = &RsSrcWrapper::from_glib_borrow(src as *mut _);
|
||||
src.set_blocksize(4096);
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_uri_handler_get_type(_type: glib_ffi::GType) -> gst_ffi::GstURIType {
|
||||
gst::URIType::Src.to_glib()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_uri_handler_get_protocols(
|
||||
type_: glib_ffi::GType,
|
||||
) -> *const *const c_char {
|
||||
let klass = gobject_ffi::g_type_class_peek(type_);
|
||||
let src_klass = &*(klass as *const RsSrcClass);
|
||||
(*src_klass.protocols).as_ptr()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_uri_handler_get_uri(
|
||||
uri_handler: *mut gst_ffi::GstURIHandler,
|
||||
) -> *mut c_char {
|
||||
source_get_uri(uri_handler as *mut RsSrc)
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_uri_handler_set_uri(
|
||||
uri_handler: *mut gst_ffi::GstURIHandler,
|
||||
uri: *const c_char,
|
||||
err: *mut *mut glib_ffi::GError,
|
||||
) -> glib_ffi::gboolean {
|
||||
source_set_uri(uri_handler as *mut RsSrc, uri, err)
|
||||
}
|
||||
|
||||
unsafe extern "C" fn source_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(source_uri_handler_get_type);
|
||||
uri_handler_iface.get_protocols = Some(source_uri_handler_get_protocols);
|
||||
uri_handler_iface.get_uri = Some(source_uri_handler_get_uri);
|
||||
uri_handler_iface.set_uri = Some(source_uri_handler_set_uri);
|
||||
}
|
||||
|
||||
pub fn source_register(plugin: &gst::Plugin, source_info: SourceInfo) {
|
||||
unsafe {
|
||||
let parent_type = rs_src_get_type();
|
||||
let type_name = format!("RsSrc-{}", source_info.name);
|
||||
|
||||
let name = source_info.name.clone();
|
||||
let rank = source_info.rank;
|
||||
|
||||
let source_info = Box::new(source_info);
|
||||
let source_info_ptr = Box::into_raw(source_info) as glib_ffi::gpointer;
|
||||
|
||||
let type_info = gobject_ffi::GTypeInfo {
|
||||
class_size: mem::size_of::<RsSrcClass>() as u16,
|
||||
base_init: None,
|
||||
base_finalize: None,
|
||||
class_init: Some(source_sub_class_init),
|
||||
class_finalize: None,
|
||||
class_data: source_info_ptr,
|
||||
instance_size: mem::size_of::<RsSrc>() as u16,
|
||||
n_preallocs: 0,
|
||||
instance_init: None,
|
||||
value_table: ptr::null(),
|
||||
let source_static = SourceStatic {
|
||||
name: format!("Source-{}", name),
|
||||
source_info: source_info,
|
||||
};
|
||||
|
||||
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(source_static);
|
||||
gst::Element::register(plugin, &name, rank, type_);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -5,6 +5,7 @@
|
|||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||||
// option. This file may not be copied, modified, or distributed
|
||||
// except according to those terms.
|
||||
use std::ptr;
|
||||
|
||||
use mopa;
|
||||
|
||||
|
|
@ -26,7 +27,7 @@ pub trait URIHandlerImpl: mopa::Any + Send + Sync + 'static {
|
|||
}
|
||||
|
||||
pub trait URIHandlerImplStatic<T: ObjectType>: Send + Sync + 'static {
|
||||
fn get_impl(&self, imp: &T::ImplType) -> &URIHandlerImpl;
|
||||
fn get_impl<'a>(&self, imp: &'a T::ImplType) -> &'a URIHandlerImpl;
|
||||
fn get_type(&self) -> gst::URIType;
|
||||
fn get_protocols(&self) -> Vec<String>;
|
||||
}
|
||||
|
|
@ -122,10 +123,11 @@ pub fn register_uri_handler<T: ObjectType, I: URIHandlerImplStatic<T>>(
|
|||
imp: &I,
|
||||
) {
|
||||
unsafe {
|
||||
let protocols: Vec<_> = imp.get_protocols()
|
||||
let mut protocols: Vec<_> = imp.get_protocols()
|
||||
.iter()
|
||||
.map(|s| s.to_glib_full())
|
||||
.collect();
|
||||
protocols.push(ptr::null());
|
||||
|
||||
let imp = imp as &URIHandlerImplStatic<T> as *const URIHandlerImplStatic<T>;
|
||||
let interface_static = Box::new(URIHandlerStatic {
|
||||
|
|
|
|||
Loading…
Reference in a new issue