+++ /dev/null
-#[cfg(feature="decoder_indeo2")]
-pub mod indeo2;
-#[cfg(feature="decoder_pcm")]
-pub mod pcm;
-
-use frame::*;
-use std::rc::Rc;
-use std::cell::RefCell;
-use io::byteio::ByteIOError;
-use io::bitreader::BitReaderError;
-use io::codebook::CodebookError;
-
-#[derive(Debug,Clone,Copy,PartialEq)]
-#[allow(dead_code)]
-pub enum DecoderError {
- InvalidData,
- ShortData,
- MissingReference,
- NotImplemented,
- Bug,
-}
-
-type DecoderResult<T> = Result<T, DecoderError>;
-
-impl From<ByteIOError> for DecoderError {
- fn from(_: ByteIOError) -> Self { DecoderError::ShortData }
-}
-
-impl From<BitReaderError> for DecoderError {
- fn from(e: BitReaderError) -> Self {
- match e {
- BitReaderError::BitstreamEnd => DecoderError::ShortData,
- _ => DecoderError::InvalidData,
- }
- }
-}
-
-impl From<CodebookError> for DecoderError {
- fn from(_: CodebookError) -> Self { DecoderError::InvalidData }
-}
-
-#[allow(dead_code)]
-struct HAMShuffler {
- lastframe: Option<NAVideoBuffer<u8>>,
-}
-
-impl HAMShuffler {
- #[allow(dead_code)]
- fn new() -> Self { HAMShuffler { lastframe: None } }
- #[allow(dead_code)]
- fn clear(&mut self) { self.lastframe = None; }
- #[allow(dead_code)]
- fn add_frame(&mut self, buf: NAVideoBuffer<u8>) {
- self.lastframe = Some(buf);
- }
- #[allow(dead_code)]
- fn clone_ref(&mut self) -> Option<NAVideoBuffer<u8>> {
- if let Some(ref mut frm) = self.lastframe {
- let newfrm = frm.copy_buffer();
- *frm = newfrm.clone();
- Some(newfrm)
- } else {
- None
- }
- }
- #[allow(dead_code)]
- fn get_output_frame(&mut self) -> Option<NAVideoBuffer<u8>> {
- match self.lastframe {
- Some(ref frm) => Some(frm.clone()),
- None => None,
- }
- }
-}
-
-pub trait NADecoder {
- fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()>;
- fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef>;
-}
-
-#[derive(Clone,Copy)]
-pub struct DecoderInfo {
- name: &'static str,
- get_decoder: fn () -> Box<NADecoder>,
-}
-
-const DECODERS: &[DecoderInfo] = &[
-#[cfg(feature="decoder_indeo2")]
- DecoderInfo { name: "indeo2", get_decoder: indeo2::get_decoder },
-#[cfg(feature="decoder_pcm")]
- DecoderInfo { name: "pcm", get_decoder: pcm::get_decoder },
-];
-
-pub fn find_decoder(name: &str) -> Option<fn () -> Box<NADecoder>> {
- for &dec in DECODERS {
- if dec.name == name {
- return Some(dec.get_decoder);
- }
- }
- None
-}