forked from mirrors/gstreamer-rs
134 lines
4 KiB
Rust
134 lines
4 KiB
Rust
// Take a look at the license at the top of the repository in the LICENSE file.
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use std::ffi::CStr;
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use std::mem;
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use glib::translate::*;
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use once_cell::sync::Lazy;
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pub static BUFFER_POOL_OPTION_VIDEO_AFFINE_TRANSFORMATION_META: Lazy<&'static str> =
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Lazy::new(|| unsafe {
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CStr::from_ptr(ffi::GST_BUFFER_POOL_OPTION_VIDEO_AFFINE_TRANSFORMATION_META)
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.to_str()
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.unwrap()
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});
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pub static BUFFER_POOL_OPTION_VIDEO_ALIGNMENT: Lazy<&'static str> = Lazy::new(|| unsafe {
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CStr::from_ptr(ffi::GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)
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.to_str()
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.unwrap()
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});
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pub static BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META: Lazy<&'static str> =
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Lazy::new(|| unsafe {
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CStr::from_ptr(ffi::GST_BUFFER_POOL_OPTION_VIDEO_GL_TEXTURE_UPLOAD_META)
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.to_str()
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.unwrap()
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});
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pub static BUFFER_POOL_OPTION_VIDEO_META: Lazy<&'static str> = Lazy::new(|| unsafe {
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CStr::from_ptr(ffi::GST_BUFFER_POOL_OPTION_VIDEO_META)
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.to_str()
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.unwrap()
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});
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#[derive(Debug, Clone)]
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#[doc(alias = "GstVideoAlignment")]
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pub struct VideoAlignment(pub(crate) ffi::GstVideoAlignment);
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impl VideoAlignment {
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#[doc(alias = "get_padding_top")]
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pub fn padding_top(&self) -> u32 {
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self.0.padding_top
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}
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#[doc(alias = "get_padding_bottom")]
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pub fn padding_bottom(&self) -> u32 {
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self.0.padding_bottom
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}
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#[doc(alias = "get_padding_left")]
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pub fn padding_left(&self) -> u32 {
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self.0.padding_left
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}
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#[doc(alias = "get_padding_right")]
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pub fn padding_right(&self) -> u32 {
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self.0.padding_right
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}
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#[doc(alias = "get_stride_align")]
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pub fn stride_align(&self) -> &[u32; ffi::GST_VIDEO_MAX_PLANES as usize] {
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&self.0.stride_align
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}
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pub fn new(
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padding_top: u32,
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padding_bottom: u32,
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padding_left: u32,
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padding_right: u32,
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stride_align: &[u32; ffi::GST_VIDEO_MAX_PLANES as usize],
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) -> Self {
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assert_initialized_main_thread!();
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let videoalignment = ffi::GstVideoAlignment {
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padding_top,
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padding_bottom,
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padding_left,
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padding_right,
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stride_align: *stride_align,
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};
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Self(videoalignment)
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}
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}
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impl PartialEq for VideoAlignment {
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fn eq(&self, other: &Self) -> bool {
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self.padding_top() == other.padding_top()
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&& self.padding_bottom() == other.padding_bottom()
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&& self.padding_left() == other.padding_left()
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&& self.padding_right() == other.padding_right()
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&& self.stride_align() == other.stride_align()
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}
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}
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impl Eq for VideoAlignment {}
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#[doc(hidden)]
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impl<'a> ToGlibPtr<'a, *const ffi::GstVideoAlignment> for VideoAlignment {
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type Storage = &'a Self;
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fn to_glib_none(&'a self) -> Stash<*const ffi::GstVideoAlignment, Self> {
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Stash(&self.0, self)
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}
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}
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pub trait VideoBufferPoolConfig {
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#[doc(alias = "get_video_alignment")]
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fn video_alignment(&self) -> Option<VideoAlignment>;
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fn set_video_alignment(&mut self, align: &VideoAlignment);
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}
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impl VideoBufferPoolConfig for gst::BufferPoolConfig {
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#[doc(alias = "gst_buffer_pool_config_get_video_alignment")]
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fn video_alignment(&self) -> Option<VideoAlignment> {
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unsafe {
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let mut alignment = mem::MaybeUninit::zeroed();
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let ret = from_glib(ffi::gst_buffer_pool_config_get_video_alignment(
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self.as_ref().as_mut_ptr(),
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alignment.as_mut_ptr(),
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));
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if ret {
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Some(VideoAlignment(alignment.assume_init()))
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} else {
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None
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}
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}
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}
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#[doc(alias = "gst_buffer_pool_config_set_video_alignment")]
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fn set_video_alignment(&mut self, align: &VideoAlignment) {
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unsafe {
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ffi::gst_buffer_pool_config_set_video_alignment(
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self.as_mut().as_mut_ptr(),
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&align.0 as *const _ as *mut _,
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)
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}
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}
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}
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