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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16
src/codec/encoder/audio.rs
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@ -5,9 +5,9 @@ use libc::c_int;
use ffi::*;
use super::Encoder as Super;
use ::{Packet, Error, Dictionary, Codec, ChannelLayout};
use ::frame;
use ::{Packet, Error, Dictionary, ChannelLayout, frame};
use ::util::format;
use codec::traits;
pub struct Audio(pub Super);
@ -21,23 +21,23 @@ impl Audio {
}
}
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);
@ -49,7 +49,7 @@ impl Audio {
}
}
else {
Err(Error::InvalidData)
Err(Error::EncoderNotFound)
}
}
}