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use std::rc::Rc; use super::{Context, Id}; use ffi::*; use media; pub struct Parameters { ptr: *mut AVCodecParameters, owner: Option<Rc<dyn Drop>>, } unsafe impl Send for Parameters {} impl Parameters { pub unsafe fn wrap(ptr: *mut AVCodecParameters, owner: Option<Rc<dyn Drop>>) -> Self { Parameters { ptr: ptr, owner: owner, } } pub unsafe fn as_ptr(&self) -> *const AVCodecParameters { self.ptr as *const _ } pub unsafe fn as_mut_ptr(&mut self) -> *mut AVCodecParameters { self.ptr } } impl Parameters { pub fn new() -> Self { unsafe { Parameters { ptr: avcodec_parameters_alloc(), owner: None, } } } pub fn medium(&self) -> media::Type { unsafe { media::Type::from((*self.as_ptr()).codec_type) } } pub fn id(&self) -> Id { unsafe { Id::from((*self.as_ptr()).codec_id) } } } impl Default for Parameters { fn default() -> Self { Self::new() } } impl Drop for Parameters { fn drop(&mut self) { unsafe { if self.owner.is_none() { avcodec_parameters_free(&mut self.as_mut_ptr()); } } } } impl Clone for Parameters { fn clone(&self) -> Self { let mut ctx = Parameters::new(); ctx.clone_from(self); ctx } fn clone_from(&mut self, source: &Self) { unsafe { avcodec_parameters_copy(self.as_mut_ptr(), source.as_ptr()); } } } impl<C: AsRef<Context>> From<C> for Parameters { fn from(context: C) -> Parameters { let mut parameters = Parameters::new(); let context = context.as_ref(); unsafe { avcodec_parameters_from_context(parameters.as_mut_ptr(), context.as_ptr()); } parameters } }