Kieran/ffmpeg-the-third
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codec: add magic traits to get codecs by name and id

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This commit is contained in:
meh
2015-09-25 21:33:08 +02:00
parent bde17a8bae
commit 66284eb045
12 changed files with 396 additions and 254 deletions
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15
src/codec/encoder/subtitle.rs
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@ -5,7 +5,8 @@ use libc::c_int;
use ffi::*;
use super::Encoder as Super;
use ::{Error, Dictionary, Codec};
use ::{Error, Dictionary};
use codec::traits;
pub struct Subtitle(pub Super);
@ -19,23 +20,23 @@ impl Subtitle {
}
}
pub fn open_as(mut self, codec: &Codec) -> Result<Encoder, Error> {
pub fn open_as<E: traits::Encoder>(mut self, codec: E) -> Result<Encoder, Error> {
unsafe {
if codec.is_encoder() {
if let Some(codec) = codec.encoder() {
match avcodec_open2(self.as_mut_ptr(), codec.as_ptr(), ptr::null_mut()) {
0 => Ok(Encoder(self)),
e => Err(Error::from(e))
}
}
else {
Err(Error::InvalidData)
Err(Error::EncoderNotFound)
}
}
}
pub fn open_as_with(mut self, codec: &Codec, options: Dictionary) -> Result<Encoder, Error> {
pub fn open_as_with<E: traits::Encoder>(mut self, codec: E, options: Dictionary) -> Result<Encoder, Error> {
unsafe {
if codec.is_encoder() {
if let Some(codec) = codec.encoder() {
let mut opts = options.disown();
let res = avcodec_open2(self.as_mut_ptr(), codec.as_ptr(), &mut opts);
@ -47,7 +48,7 @@ impl Subtitle {
}
}
else {
Err(Error::InvalidData)
Err(Error::EncoderNotFound)
}
}
}