gstreamer-rs/gstreamer-gl/src/gl_memory.rs

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use glib::translate::*;
use crate::GLBaseMemoryRef;
use crate::GLFormat;
use crate::GLTextureTarget;
use ffi::{GstGLBaseMemory, GstGLMemory};
use gst::{result_from_gboolean, LoggableError, CAT_RUST};
gst::mini_object_wrapper!(GLMemory, GLMemoryRef, GstGLMemory);
impl std::ops::Deref for GLMemoryRef {
type Target = GLBaseMemoryRef;
fn deref(&self) -> &Self::Target {
unsafe { &*(&self.0.mem as *const GstGLBaseMemory).cast::<Self::Target>() }
}
}
impl std::ops::DerefMut for GLMemoryRef {
fn deref_mut(&mut self) -> &mut Self::Target {
unsafe { &mut *(&mut self.0.mem as *mut GstGLBaseMemory).cast::<Self::Target>() }
}
}
impl GLMemoryRef {
// rustdoc-stripper-ignore-next
/// # Safety
/// `tex_id` is not validated to be a valid GL texture, which may lead to undefined behaviour.
#[doc(alias = "gst_gl_memory_copy_into")]
pub unsafe fn copy_into(
&self,
tex_id: u32,
target: GLTextureTarget,
tex_format: GLFormat,
width: i32,
height: i32,
) -> Result<(), LoggableError> {
Self::init_once();
result_from_gboolean!(
ffi::gst_gl_memory_copy_into(
mut_override(&self.0),
tex_id,
target.to_glib(),
tex_format.to_glib(),
width,
height,
),
CAT_RUST,
"Failed to copy memory into GL texture"
)
}
// rustdoc-stripper-ignore-next
/// # Safety
/// `tex_id` is not validated to be a valid GL texture, which may lead to undefined behaviour.
#[doc(alias = "gst_gl_memory_copy_teximage")]
pub unsafe fn copy_teximage(
&self,
tex_id: u32,
out_target: GLTextureTarget,
out_tex_format: GLFormat,
out_width: i32,
out_height: i32,
) -> Result<(), LoggableError> {
Self::init_once();
result_from_gboolean!(
ffi::gst_gl_memory_copy_teximage(
mut_override(&self.0),
tex_id,
out_target.to_glib(),
out_tex_format.to_glib(),
out_width,
out_height,
),
CAT_RUST,
"Failed to copy memory into GL texture"
)
}
#[doc(alias = "gst_gl_memory_get_texture_format")]
pub fn texture_format(&self) -> GLFormat {
unsafe { from_glib(ffi::gst_gl_memory_get_texture_format(mut_override(&self.0))) }
}
#[doc(alias = "gst_gl_memory_get_texture_height")]
pub fn texture_height(&self) -> i32 {
unsafe { ffi::gst_gl_memory_get_texture_height(mut_override(&self.0)) }
}
#[doc(alias = "gst_gl_memory_get_texture_id")]
pub fn texture_id(&self) -> u32 {
unsafe { ffi::gst_gl_memory_get_texture_id(mut_override(&self.0)) }
}
#[doc(alias = "gst_gl_memory_get_texture_target")]
pub fn texture_target(&self) -> GLTextureTarget {
unsafe { from_glib(ffi::gst_gl_memory_get_texture_target(mut_override(&self.0))) }
}
#[doc(alias = "gst_gl_memory_get_texture_width")]
pub fn texture_width(&self) -> i32 {
unsafe { ffi::gst_gl_memory_get_texture_width(mut_override(&self.0)) }
}
//#[doc(alias = "gst_gl_memory_init")]
//pub fn init<P: IsA<gst::Allocator>, Q: IsA<GLContext>>(&self, allocator: &P, parent: Option<&mut gst::Memory>, context: &Q, target: GLTextureTarget, tex_format: GLFormat, params: Option<&mut gst::AllocationParams>, info: &mut gst_video::VideoInfo, plane: u32, valign: Option<&mut gst_video::VideoAlignment>, user_data: /*Unimplemented*/Option<Fundamental: Pointer>) {
// unsafe { TODO: call ffi:gst_gl_memory_init() }
//}
//#[doc(alias = "gst_gl_memory_read_pixels")]
//pub fn read_pixels(&self, write_pointer: /*Unimplemented*/Option<Fundamental: Pointer>) -> bool {
// unsafe { TODO: call ffi:gst_gl_memory_read_pixels() }
//}
//#[doc(alias = "gst_gl_memory_texsubimage")]
//pub fn texsubimage(&mut self, read_pointer: /*Unimplemented*/Option<Fundamental: Pointer>) {
// unsafe { TODO: call ffi:gst_gl_memory_texsubimage() }
//}
#[doc(alias = "gst_gl_memory_init_once")]
fn init_once() {
assert_initialized_main_thread!();
unsafe {
ffi::gst_gl_memory_init_once();
}
}
//#[doc(alias = "gst_gl_memory_setup_buffer")]
//pub fn setup_buffer<P: IsA<GLMemoryAllocator>>(allocator: &P, buffer: &gst::Buffer, params: &mut GLVideoAllocationParams, tex_formats: /*Unimplemented*/Option<&CArray TypeId { ns_id: 1, id: 55 }>, wrapped_data: /*Unimplemented*/&[&Fundamental: Pointer]) -> bool {
// unsafe { TODO: call ffi:gst_gl_memory_setup_buffer() }
//}
}