| 1 | #[cfg(feature="decoder_indeo2")] |
| 2 | pub mod indeo2; |
| 3 | |
| 4 | use std::rc::Rc; |
| 5 | use frame::*; |
| 6 | use demuxers::*; |
| 7 | use io::byteio::ByteIOError; |
| 8 | use io::bitreader::BitReaderError; |
| 9 | use io::codebook::CodebookError; |
| 10 | |
| 11 | #[derive(Debug,Clone,Copy,PartialEq)] |
| 12 | #[allow(dead_code)] |
| 13 | pub enum DecoderError { |
| 14 | InvalidData, |
| 15 | ShortData, |
| 16 | MissingReference, |
| 17 | NotImplemented, |
| 18 | Bug, |
| 19 | } |
| 20 | |
| 21 | type DecoderResult<T> = Result<T, DecoderError>; |
| 22 | |
| 23 | impl From<ByteIOError> for DecoderError { |
| 24 | fn from(_: ByteIOError) -> Self { DecoderError::ShortData } |
| 25 | } |
| 26 | |
| 27 | impl From<BitReaderError> for DecoderError { |
| 28 | fn from(e: BitReaderError) -> Self { |
| 29 | match e { |
| 30 | BitReaderError::BitstreamEnd => DecoderError::ShortData, |
| 31 | _ => DecoderError::InvalidData, |
| 32 | } |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | impl From<CodebookError> for DecoderError { |
| 37 | fn from(_: CodebookError) -> Self { DecoderError::InvalidData } |
| 38 | } |
| 39 | |
| 40 | pub trait NADecoder { |
| 41 | fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()>; |
| 42 | fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<Rc<NAFrame>>; |
| 43 | } |
| 44 | |