mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-11-22 09:31:06 +00:00
rtp: Add subclass bindings for RTPHeaderExtension
This commit is contained in:
Sebastian Dröge
parent
0403fd9aa4
commit
0dc1ee439f
4 changed files with 532 additions and 0 deletions
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@ -16,6 +16,7 @@ rust-version = "1.56"
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[dependencies]
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bitflags = "1.0"
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once_cell = "1.0"
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libc = "0.2"
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ffi = { package = "gstreamer-rtp-sys", path = "sys", features = ["v1_8"] }
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glib = { git = "https://github.com/gtk-rs/gtk-rs-core" }
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gst = { package = "gstreamer", path = "../gstreamer" }
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@ -30,6 +30,8 @@ mod auto;
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pub use crate::auto::functions::*;
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pub use crate::auto::*;
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pub mod subclass;
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pub mod rtp_buffer;
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pub use crate::rtp_buffer::{compare_seqnum, RTPBuffer};
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#[cfg(any(feature = "v1_20", feature = "dox"))]
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16
gstreamer-rtp/src/subclass/mod.rs
Normal file
16
gstreamer-rtp/src/subclass/mod.rs
Normal file
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@ -0,0 +1,16 @@
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// Take a look at the license at the top of the repository in the LICENSE file.
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#![allow(clippy::cast_ptr_alignment)]
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#[cfg(any(feature = "v1_20", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
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mod rtp_header_extension;
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pub mod prelude {
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#[doc(hidden)]
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pub use gst::subclass::prelude::*;
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#[cfg(any(feature = "v1_20", feature = "dox"))]
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#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_20")))]
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pub use super::rtp_header_extension::{RTPHeaderExtensionImpl, RTPHeaderExtensionImplExt};
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}
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513
gstreamer-rtp/src/subclass/rtp_header_extension.rs
Normal file
513
gstreamer-rtp/src/subclass/rtp_header_extension.rs
Normal file
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@ -0,0 +1,513 @@
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// Take a look at the license at the top of the repository in the LICENSE file.
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use super::prelude::*;
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use glib::prelude::*;
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use glib::subclass::prelude::*;
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use glib::translate::*;
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pub trait RTPHeaderExtensionImpl: RTPHeaderExtensionImplExt + ElementImpl {
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const URI: &'static str;
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fn supported_flags(&self, element: &Self::Type) -> crate::RTPHeaderExtensionFlags {
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self.parent_supported_flags(element)
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}
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fn max_size(&self, element: &Self::Type, input: &gst::BufferRef) -> usize {
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self.parent_max_size(element, input)
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}
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fn write(
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&self,
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element: &Self::Type,
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input: &gst::BufferRef,
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write_flags: crate::RTPHeaderExtensionFlags,
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output: &mut gst::BufferRef,
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output_data: &mut [u8],
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) -> Result<usize, gst::LoggableError> {
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self.parent_write(element, input, write_flags, output, output_data)
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}
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fn read(
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&self,
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element: &Self::Type,
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read_flags: crate::RTPHeaderExtensionFlags,
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input_data: &[u8],
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output: &mut gst::BufferRef,
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) -> Result<(), gst::LoggableError> {
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self.parent_read(element, read_flags, input_data, output)
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}
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fn set_non_rtp_sink_caps(
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&self,
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element: &Self::Type,
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caps: &gst::Caps,
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) -> Result<(), gst::LoggableError> {
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self.parent_set_non_rtp_sink_caps(element, caps)
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}
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fn update_non_rtp_src_caps(
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&self,
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element: &Self::Type,
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caps: &mut gst::CapsRef,
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) -> Result<(), gst::LoggableError> {
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self.parent_update_non_rtp_src_caps(element, caps)
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}
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fn set_attributes(
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&self,
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element: &Self::Type,
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direction: crate::RTPHeaderExtensionDirection,
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attributes: &str,
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) -> Result<(), gst::LoggableError> {
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self.parent_set_attributes(element, direction, attributes)
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}
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fn set_caps_from_attributes(
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&self,
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element: &Self::Type,
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caps: &mut gst::CapsRef,
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) -> Result<(), gst::LoggableError> {
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self.parent_set_caps_from_attributes(element, caps)
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}
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}
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pub trait RTPHeaderExtensionImplExt: ObjectSubclass {
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fn parent_supported_flags(&self, element: &Self::Type) -> crate::RTPHeaderExtensionFlags;
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fn parent_max_size(&self, element: &Self::Type, input: &gst::BufferRef) -> usize;
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fn parent_write(
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&self,
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element: &Self::Type,
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input: &gst::BufferRef,
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write_flags: crate::RTPHeaderExtensionFlags,
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output: &mut gst::BufferRef,
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output_data: &mut [u8],
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) -> Result<usize, gst::LoggableError>;
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fn parent_read(
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&self,
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element: &Self::Type,
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read_flags: crate::RTPHeaderExtensionFlags,
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input_data: &[u8],
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output: &mut gst::BufferRef,
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) -> Result<(), gst::LoggableError>;
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fn parent_set_non_rtp_sink_caps(
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&self,
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element: &Self::Type,
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caps: &gst::Caps,
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) -> Result<(), gst::LoggableError>;
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fn parent_update_non_rtp_src_caps(
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&self,
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element: &Self::Type,
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caps: &mut gst::CapsRef,
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) -> Result<(), gst::LoggableError>;
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fn parent_set_attributes(
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&self,
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element: &Self::Type,
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direction: crate::RTPHeaderExtensionDirection,
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attributes: &str,
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) -> Result<(), gst::LoggableError>;
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fn parent_set_caps_from_attributes(
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&self,
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element: &Self::Type,
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caps: &mut gst::CapsRef,
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) -> Result<(), gst::LoggableError>;
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}
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impl<T: RTPHeaderExtensionImpl> RTPHeaderExtensionImplExt for T {
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fn parent_supported_flags(&self, element: &Self::Type) -> crate::RTPHeaderExtensionFlags {
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unsafe {
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let data = Self::type_data();
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let parent_class = data.as_ref().parent_class() as *mut ffi::GstRTPHeaderExtensionClass;
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let f = (*parent_class)
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.get_supported_flags
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.expect("no parent \"get_supported_flags\" implementation");
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from_glib(f(element
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.unsafe_cast_ref::<crate::RTPHeaderExtension>()
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.to_glib_none()
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.0))
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}
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}
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fn parent_max_size(&self, element: &Self::Type, input: &gst::BufferRef) -> usize {
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unsafe {
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let data = Self::type_data();
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let parent_class = data.as_ref().parent_class() as *mut ffi::GstRTPHeaderExtensionClass;
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let f = (*parent_class)
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.get_max_size
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.expect("no parent \"get_max_size\" implementation");
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f(
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element
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.unsafe_cast_ref::<crate::RTPHeaderExtension>()
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.to_glib_none()
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.0,
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input.as_ptr(),
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)
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}
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}
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fn parent_write(
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&self,
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element: &Self::Type,
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input: &gst::BufferRef,
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write_flags: crate::RTPHeaderExtensionFlags,
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output: &mut gst::BufferRef,
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output_data: &mut [u8],
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) -> Result<usize, gst::LoggableError> {
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unsafe {
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let data = Self::type_data();
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let parent_class = data.as_ref().parent_class() as *mut ffi::GstRTPHeaderExtensionClass;
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let f = (*parent_class)
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.write
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.expect("no parent \"write\" implementation");
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let res = f(
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element
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.unsafe_cast_ref::<crate::RTPHeaderExtension>()
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.to_glib_none()
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.0,
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input.as_ptr(),
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write_flags.into_glib(),
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output.as_mut_ptr(),
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output_data.as_mut_ptr(),
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output_data.len(),
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);
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if res < 0 {
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Err(gst::loggable_error!(
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gst::CAT_RUST,
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"Failed to write extension data"
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))
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} else {
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Ok(res as usize)
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}
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}
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}
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fn parent_read(
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&self,
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element: &Self::Type,
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read_flags: crate::RTPHeaderExtensionFlags,
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input_data: &[u8],
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output: &mut gst::BufferRef,
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) -> Result<(), gst::LoggableError> {
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unsafe {
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let data = Self::type_data();
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let parent_class = data.as_ref().parent_class() as *mut ffi::GstRTPHeaderExtensionClass;
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let f = (*parent_class)
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.read
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.expect("no parent \"read\" implementation");
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gst::result_from_gboolean!(
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f(
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element
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.unsafe_cast_ref::<crate::RTPHeaderExtension>()
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.to_glib_none()
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.0,
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read_flags.into_glib(),
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input_data.as_ptr(),
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input_data.len(),
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output.as_mut_ptr(),
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),
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gst::CAT_RUST,
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"Failed to read extension data",
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)
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}
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}
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fn parent_set_non_rtp_sink_caps(
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&self,
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element: &Self::Type,
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caps: &gst::Caps,
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) -> Result<(), gst::LoggableError> {
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unsafe {
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let data = Self::type_data();
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let parent_class = data.as_ref().parent_class() as *mut ffi::GstRTPHeaderExtensionClass;
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if let Some(f) = (*parent_class).set_non_rtp_sink_caps {
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gst::result_from_gboolean!(
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f(
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element
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.unsafe_cast_ref::<crate::RTPHeaderExtension>()
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.to_glib_none()
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.0,
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caps.as_mut_ptr(),
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),
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gst::CAT_RUST,
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"Failed to set non-RTP sink caps",
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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 parent_update_non_rtp_src_caps(
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&self,
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element: &Self::Type,
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caps: &mut gst::CapsRef,
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) -> Result<(), gst::LoggableError> {
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unsafe {
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let data = Self::type_data();
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let parent_class = data.as_ref().parent_class() as *mut ffi::GstRTPHeaderExtensionClass;
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if let Some(f) = (*parent_class).update_non_rtp_src_caps {
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gst::result_from_gboolean!(
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f(
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element
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.unsafe_cast_ref::<crate::RTPHeaderExtension>()
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.to_glib_none()
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.0,
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caps.as_mut_ptr(),
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),
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gst::CAT_RUST,
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"Failed to update non-RTP source caps",
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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 parent_set_attributes(
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&self,
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element: &Self::Type,
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direction: crate::RTPHeaderExtensionDirection,
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attributes: &str,
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) -> Result<(), gst::LoggableError> {
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unsafe {
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let data = Self::type_data();
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let parent_class = data.as_ref().parent_class() as *mut ffi::GstRTPHeaderExtensionClass;
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if let Some(f) = (*parent_class).set_attributes {
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gst::result_from_gboolean!(
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f(
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element
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.unsafe_cast_ref::<crate::RTPHeaderExtension>()
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.to_glib_none()
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.0,
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direction.into_glib(),
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attributes.to_glib_none().0,
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),
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gst::CAT_RUST,
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"Failed to set attributes",
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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 parent_set_caps_from_attributes(
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&self,
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element: &Self::Type,
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caps: &mut gst::CapsRef,
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) -> Result<(), gst::LoggableError> {
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unsafe {
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let data = Self::type_data();
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let parent_class = data.as_ref().parent_class() as *mut ffi::GstRTPHeaderExtensionClass;
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let f = (*parent_class)
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.set_caps_from_attributes
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.expect("no parent \"set_caps_from_attributes\" implementation");
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gst::result_from_gboolean!(
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f(
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element
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.unsafe_cast_ref::<crate::RTPHeaderExtension>()
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.to_glib_none()
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.0,
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caps.as_mut_ptr(),
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),
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gst::CAT_RUST,
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"Failed to set caps from attributes",
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)
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}
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}
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}
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unsafe impl<T: RTPHeaderExtensionImpl> IsSubclassable<T> for crate::RTPHeaderExtension {
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fn class_init(klass: &mut glib::Class<Self>) {
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Self::parent_class_init::<T>(klass);
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let klass = klass.as_mut();
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klass.get_supported_flags = Some(get_supported_flags::<T>);
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klass.get_max_size = Some(get_max_size::<T>);
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klass.write = Some(write::<T>);
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klass.read = Some(read::<T>);
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klass.set_non_rtp_sink_caps = Some(set_non_rtp_sink_caps::<T>);
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klass.update_non_rtp_src_caps = Some(update_non_rtp_src_caps::<T>);
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klass.set_attributes = Some(set_attributes::<T>);
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klass.set_caps_from_attributes = Some(set_caps_from_attributes::<T>);
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unsafe {
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ffi::gst_rtp_header_extension_class_set_uri(&mut *klass, T::URI.to_glib_none().0);
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}
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}
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}
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unsafe extern "C" fn get_supported_flags<T: RTPHeaderExtensionImpl>(
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ptr: *mut ffi::GstRTPHeaderExtension,
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) -> ffi::GstRTPHeaderExtensionFlags {
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let instance = &*(ptr as *mut T::Instance);
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let imp = instance.imp();
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let wrap: Borrowed<crate::RTPHeaderExtension> = from_glib_borrow(ptr);
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gst::panic_to_error!(
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&wrap,
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imp.panicked(),
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crate::RTPHeaderExtensionFlags::empty(),
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{ imp.supported_flags(wrap.unsafe_cast_ref()) }
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)
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.into_glib()
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}
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unsafe extern "C" fn get_max_size<T: RTPHeaderExtensionImpl>(
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ptr: *mut ffi::GstRTPHeaderExtension,
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input: *const gst::ffi::GstBuffer,
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) -> usize {
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let instance = &*(ptr as *mut T::Instance);
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let imp = instance.imp();
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let wrap: Borrowed<crate::RTPHeaderExtension> = from_glib_borrow(ptr);
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gst::panic_to_error!(&wrap, imp.panicked(), 0, {
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imp.max_size(wrap.unsafe_cast_ref(), gst::BufferRef::from_ptr(input))
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})
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}
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unsafe extern "C" fn write<T: RTPHeaderExtensionImpl>(
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ptr: *mut ffi::GstRTPHeaderExtension,
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input: *const gst::ffi::GstBuffer,
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write_flags: ffi::GstRTPHeaderExtensionFlags,
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output: *mut gst::ffi::GstBuffer,
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output_data: *mut u8,
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output_data_len: usize,
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) -> isize {
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let instance = &*(ptr as *mut T::Instance);
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let imp = instance.imp();
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let wrap: Borrowed<crate::RTPHeaderExtension> = from_glib_borrow(ptr);
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gst::panic_to_error!(&wrap, imp.panicked(), -1, {
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match imp.write(
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wrap.unsafe_cast_ref(),
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gst::BufferRef::from_ptr(input),
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from_glib(write_flags),
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gst::BufferRef::from_mut_ptr(output),
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std::slice::from_raw_parts_mut(output_data, output_data_len),
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) {
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Ok(len) => len as isize,
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Err(err) => {
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err.log_with_object(&*wrap);
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-1
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}
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}
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})
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}
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unsafe extern "C" fn read<T: RTPHeaderExtensionImpl>(
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ptr: *mut ffi::GstRTPHeaderExtension,
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read_flags: ffi::GstRTPHeaderExtensionFlags,
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input_data: *const u8,
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input_data_len: usize,
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output: *mut gst::ffi::GstBuffer,
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) -> glib::ffi::gboolean {
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let instance = &*(ptr as *mut T::Instance);
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let imp = instance.imp();
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let wrap: Borrowed<crate::RTPHeaderExtension> = from_glib_borrow(ptr);
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gst::panic_to_error!(&wrap, imp.panicked(), false, {
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match imp.read(
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wrap.unsafe_cast_ref(),
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from_glib(read_flags),
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std::slice::from_raw_parts(input_data, input_data_len),
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gst::BufferRef::from_mut_ptr(output),
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) {
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Ok(_) => true,
|
||||
Err(err) => {
|
||||
err.log_with_object(&*wrap);
|
||||
false
|
||||
}
|
||||
}
|
||||
})
|
||||
.into_glib()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn set_non_rtp_sink_caps<T: RTPHeaderExtensionImpl>(
|
||||
ptr: *mut ffi::GstRTPHeaderExtension,
|
||||
caps: *mut gst::ffi::GstCaps,
|
||||
) -> glib::ffi::gboolean {
|
||||
let instance = &*(ptr as *mut T::Instance);
|
||||
let imp = instance.imp();
|
||||
let wrap: Borrowed<crate::RTPHeaderExtension> = from_glib_borrow(ptr);
|
||||
|
||||
gst::panic_to_error!(&wrap, imp.panicked(), false, {
|
||||
match imp.set_non_rtp_sink_caps(wrap.unsafe_cast_ref(), &from_glib_borrow(caps)) {
|
||||
Ok(_) => true,
|
||||
Err(err) => {
|
||||
err.log_with_object(&*wrap);
|
||||
false
|
||||
}
|
||||
}
|
||||
})
|
||||
.into_glib()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn update_non_rtp_src_caps<T: RTPHeaderExtensionImpl>(
|
||||
ptr: *mut ffi::GstRTPHeaderExtension,
|
||||
caps: *mut gst::ffi::GstCaps,
|
||||
) -> glib::ffi::gboolean {
|
||||
let instance = &*(ptr as *mut T::Instance);
|
||||
let imp = instance.imp();
|
||||
let wrap: Borrowed<crate::RTPHeaderExtension> = from_glib_borrow(ptr);
|
||||
|
||||
gst::panic_to_error!(&wrap, imp.panicked(), false, {
|
||||
match imp.update_non_rtp_src_caps(wrap.unsafe_cast_ref(), gst::CapsRef::from_mut_ptr(caps))
|
||||
{
|
||||
Ok(_) => true,
|
||||
Err(err) => {
|
||||
err.log_with_object(&*wrap);
|
||||
false
|
||||
}
|
||||
}
|
||||
})
|
||||
.into_glib()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn set_attributes<T: RTPHeaderExtensionImpl>(
|
||||
ptr: *mut ffi::GstRTPHeaderExtension,
|
||||
direction: ffi::GstRTPHeaderExtensionDirection,
|
||||
attributes: *const libc::c_char,
|
||||
) -> glib::ffi::gboolean {
|
||||
let instance = &*(ptr as *mut T::Instance);
|
||||
let imp = instance.imp();
|
||||
let wrap: Borrowed<crate::RTPHeaderExtension> = from_glib_borrow(ptr);
|
||||
|
||||
gst::panic_to_error!(&wrap, imp.panicked(), false, {
|
||||
match imp.set_attributes(
|
||||
wrap.unsafe_cast_ref(),
|
||||
from_glib(direction),
|
||||
&glib::GString::from_glib_borrow(attributes),
|
||||
) {
|
||||
Ok(_) => true,
|
||||
Err(err) => {
|
||||
err.log_with_object(&*wrap);
|
||||
false
|
||||
}
|
||||
}
|
||||
})
|
||||
.into_glib()
|
||||
}
|
||||
|
||||
unsafe extern "C" fn set_caps_from_attributes<T: RTPHeaderExtensionImpl>(
|
||||
ptr: *mut ffi::GstRTPHeaderExtension,
|
||||
caps: *mut gst::ffi::GstCaps,
|
||||
) -> glib::ffi::gboolean {
|
||||
let instance = &*(ptr as *mut T::Instance);
|
||||
let imp = instance.imp();
|
||||
let wrap: Borrowed<crate::RTPHeaderExtension> = from_glib_borrow(ptr);
|
||||
|
||||
gst::panic_to_error!(&wrap, imp.panicked(), false, {
|
||||
match imp.set_caps_from_attributes(wrap.unsafe_cast_ref(), gst::CapsRef::from_mut_ptr(caps))
|
||||
{
|
||||
Ok(_) => true,
|
||||
Err(err) => {
|
||||
err.log_with_object(&*wrap);
|
||||
false
|
||||
}
|
||||
}
|
||||
})
|
||||
.into_glib()
|
||||
}
|
||||
Loading…
Reference in a new issue