forked from mirrors/gstreamer-rs
65 lines
1.8 KiB
Rust
65 lines
1.8 KiB
Rust
use std::{fmt, os::unix::prelude::RawFd};
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use glib::{translate::*, Cast};
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use gst::{Memory, MemoryRef};
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use crate::{FdAllocator, FdMemoryFlags};
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gst::memory_object_wrapper!(
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FdMemory,
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FdMemoryRef,
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gst::ffi::GstMemory,
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|mem: &gst::MemoryRef| { unsafe { from_glib(ffi::gst_is_fd_memory(mem.as_mut_ptr())) } },
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Memory,
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MemoryRef,
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);
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impl fmt::Debug for FdMemory {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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FdMemoryRef::fmt(self, f)
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}
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}
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impl fmt::Debug for FdMemoryRef {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("FdMemory")
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.field("ptr", &self.as_ptr())
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.field("allocator", &self.allocator())
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.field("parent", &self.parent())
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.field("maxsize", &self.maxsize())
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.field("align", &self.align())
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.field("offset", &self.offset())
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.field("size", &self.size())
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.field("flags", &self.flags())
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.field("fd", &self.fd())
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.finish()
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}
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}
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impl FdMemoryRef {
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#[doc(alias = "gst_fd_memory_get_fd")]
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pub fn fd(&self) -> RawFd {
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assert_initialized_main_thread!();
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unsafe { ffi::gst_fd_memory_get_fd(self.as_mut_ptr()) }
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}
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}
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impl FdAllocator {
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#[doc(alias = "gst_fd_allocator_alloc")]
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pub unsafe fn alloc(
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&self,
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fd: RawFd,
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size: usize,
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flags: FdMemoryFlags,
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) -> Result<gst::Memory, glib::BoolError> {
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assert_initialized_main_thread!();
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Option::<_>::from_glib_full(ffi::gst_fd_allocator_alloc(
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self.unsafe_cast_ref::<gst::Allocator>().to_glib_none().0,
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fd,
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size,
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flags.into_glib(),
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))
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.ok_or_else(|| glib::bool_error!("Failed to allocate memory"))
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}
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}
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