114 lines
1.6 KiB
Rust
114 lines
1.6 KiB
Rust
use ::Codec;
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use codec::{Id, Audio, Video};
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use super::{decoder, encoder};
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pub trait Decoder {
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fn decoder(self) -> Option<Codec>;
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}
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impl<'a> Decoder for &'a str {
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fn decoder(self) -> Option<Codec> {
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decoder::find_by_name(self)
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}
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}
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impl Decoder for Id {
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fn decoder(self) -> Option<Codec> {
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decoder::find(self)
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}
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}
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impl Decoder for Codec {
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fn decoder(self) -> Option<Codec> {
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if self.is_decoder() {
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Some(self)
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}
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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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impl Decoder for Option<Codec> {
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fn decoder(self) -> Option<Codec> {
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self.and_then(|c| c.decoder())
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}
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}
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impl Decoder for Audio {
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fn decoder(self) -> Option<Codec> {
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if self.is_decoder() {
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Some(*&*self)
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}
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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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impl Decoder for Video {
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fn decoder(self) -> Option<Codec> {
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if self.is_decoder() {
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Some(*&*self)
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}
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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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pub trait Encoder {
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fn encoder(self) -> Option<Codec>;
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}
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impl<'a> Encoder for &'a str {
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fn encoder(self) -> Option<Codec> {
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encoder::find_by_name(self)
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}
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}
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impl Encoder for Id {
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fn encoder(self) -> Option<Codec> {
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encoder::find(self)
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}
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}
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impl Encoder for Codec {
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fn encoder(self) -> Option<Codec> {
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if self.is_encoder() {
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Some(self)
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}
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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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impl Encoder for Option<Codec> {
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fn encoder(self) -> Option<Codec> {
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self.and_then(|c| c.encoder())
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}
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}
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impl Encoder for Audio {
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fn encoder(self) -> Option<Codec> {
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if self.is_encoder() {
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Some(*&*self)
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}
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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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impl Encoder for Video {
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fn encoder(self) -> Option<Codec> {
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if self.is_encoder() {
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Some(*&*self)
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}
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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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