72 lines
1.2 KiB
Rust
72 lines
1.2 KiB
Rust
use std::marker::PhantomData;
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use std::ffi::CStr;
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use std::str::from_utf8_unchecked;
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use ffi::*;
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use super::{Id, Context};
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use ::media;
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use ::Error;
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use ::codec::context::Opened;
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pub struct Codec<'a> {
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ptr: *mut AVCodec,
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_marker: PhantomData<&'a ()>,
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}
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impl<'a> Codec<'a> {
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pub unsafe fn wrap(ptr: *mut AVCodec) -> Self {
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Codec { ptr: ptr, _marker: PhantomData }
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}
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pub unsafe fn as_ptr(&self) -> *const AVCodec {
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self.ptr as *const _
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}
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pub unsafe fn as_mut_ptr(&mut self) -> *mut AVCodec {
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self.ptr
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}
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}
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impl<'a> Codec<'a> {
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pub fn open(&self) -> Result<Opened, Error> {
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Context::new().open(self)
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}
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pub fn is_encoder(&self) -> bool {
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unsafe {
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av_codec_is_encoder(self.as_ptr()) != 0
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}
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}
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pub fn is_decoder(&self) -> bool {
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unsafe {
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av_codec_is_decoder(self.as_ptr()) != 0
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}
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}
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pub fn name(&self) -> &str {
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unsafe {
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from_utf8_unchecked(CStr::from_ptr((*self.as_ptr()).name).to_bytes())
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}
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}
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pub fn description(&self) -> &str {
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unsafe {
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from_utf8_unchecked(CStr::from_ptr((*self.as_ptr()).long_name).to_bytes())
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}
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}
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pub fn medium(&self) -> media::Type {
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unsafe {
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media::Type::from((*self.as_ptr()).kind)
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}
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}
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pub fn id(&self) -> Id {
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unsafe {
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Id::from((*self.as_ptr()).id)
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}
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}
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}
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