forked from mirrors/gstreamer-rs
90 lines
2.7 KiB
Rust
90 lines
2.7 KiB
Rust
use glib::prelude::*;
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use glib::translate::*;
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use crate::GLAllocationParams;
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use crate::GLBaseMemoryAllocator;
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use ffi::GstGLBaseMemory;
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use gst::ffi::GstMemory;
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use gst::MemoryRef;
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use gst::{result_from_gboolean, LoggableError, CAT_RUST};
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gst::mini_object_wrapper!(
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GLBaseMemory,
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GLBaseMemoryRef,
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GstGLBaseMemory,
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ffi::gst_gl_base_memory_get_type
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);
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impl std::ops::Deref for GLBaseMemoryRef {
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type Target = MemoryRef;
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fn deref(&self) -> &Self::Target {
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unsafe { &*(&self.0.mem as *const GstMemory).cast::<Self::Target>() }
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}
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}
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impl std::ops::DerefMut for GLBaseMemoryRef {
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fn deref_mut(&mut self) -> &mut Self::Target {
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unsafe { &mut *(&mut self.0.mem as *mut GstMemory).cast::<Self::Target>() }
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}
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}
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impl GLBaseMemoryRef {
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// Note: only intended for subclass usage to allocate the system memory buffer
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// on demand. If there is already a non-NULL data pointer in @gl_mem->data,
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// then this function imply returns TRUE.
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// #[doc(alias = "gst_gl_base_memory_alloc_data")]
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// pub fn alloc_data(&mut self) -> bool {
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// Self::init_once();
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// unsafe { from_glib(ffi::gst_gl_base_memory_alloc_data(&mut self.0)) }
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// }
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//#[doc(alias = "gst_gl_base_memory_init")]
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//pub fn init<P: IsA<gst::Allocator>, Q: IsA<GLContext>>(&mut self, allocator: &P, parent: Option<&mut gst::Memory>, context: &Q, params: Option<&mut gst::AllocationParams>, size: usize, user_data: /*Unimplemented*/Option<Fundamental: Pointer>) {
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// unsafe { TODO: call ffi:gst_gl_base_memory_init() }
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//}
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#[doc(alias = "gst_gl_base_memory_memcpy")]
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pub unsafe fn memcpy(
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&self,
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dest: &mut GLBaseMemory,
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offset: isize,
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size: isize,
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) -> Result<(), LoggableError> {
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Self::init_once();
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result_from_gboolean!(
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ffi::gst_gl_base_memory_memcpy(
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mut_override(&self.0),
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dest.to_glib_none_mut().0,
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offset,
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size,
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),
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CAT_RUST,
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"Failed to copy memory"
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)
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}
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#[doc(alias = "gst_gl_base_memory_alloc")]
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pub fn alloc<P: IsA<GLBaseMemoryAllocator>>(
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allocator: &P,
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params: &GLAllocationParams,
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) -> Option<GLBaseMemory> {
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skip_assert_initialized!();
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Self::init_once();
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unsafe {
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from_glib_full(ffi::gst_gl_base_memory_alloc(
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allocator.as_ref().to_glib_none().0,
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mut_override(params.to_glib_none().0),
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))
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}
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}
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#[doc(alias = "gst_gl_base_memory_init_once")]
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fn init_once() {
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assert_initialized_main_thread!();
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unsafe {
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ffi::gst_gl_base_memory_init_once();
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}
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}
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}
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