2 use std::ops::{Add, AddAssign, Sub, SubAssign};
6 use std::cell::RefCell;
8 use io::byteio::ByteIOError;
9 use io::bitreader::BitReaderError;
10 use io::codebook::CodebookError;
12 #[derive(Debug,Clone,Copy,PartialEq)]
14 pub enum DecoderError {
25 pub type DecoderResult<T> = Result<T, DecoderError>;
27 impl From<ByteIOError> for DecoderError {
28 fn from(_: ByteIOError) -> Self { DecoderError::ShortData }
31 impl From<BitReaderError> for DecoderError {
32 fn from(e: BitReaderError) -> Self {
34 BitReaderError::BitstreamEnd => DecoderError::ShortData,
35 _ => DecoderError::InvalidData,
40 impl From<CodebookError> for DecoderError {
41 fn from(_: CodebookError) -> Self { DecoderError::InvalidData }
44 impl From<AllocatorError> for DecoderError {
45 fn from(_: AllocatorError) -> Self { DecoderError::AllocError }
48 macro_rules! validate {
49 ($a:expr) => { if !$a { println!("check failed at {}:{}", file!(), line!()); return Err(DecoderError::InvalidData); } };
54 lastframe: Option<NAVideoBuffer<u8>>,
59 fn new() -> Self { HAMShuffler { lastframe: None } }
61 fn clear(&mut self) { self.lastframe = None; }
63 fn add_frame(&mut self, buf: NAVideoBuffer<u8>) {
64 self.lastframe = Some(buf);
67 fn clone_ref(&mut self) -> Option<NAVideoBuffer<u8>> {
68 if let Some(ref mut frm) = self.lastframe {
69 let newfrm = frm.copy_buffer();
70 *frm = newfrm.clone();
77 fn get_output_frame(&mut self) -> Option<NAVideoBuffer<u8>> {
78 match self.lastframe {
79 Some(ref frm) => Some(frm.clone()),
87 lastframe: Option<NAVideoBuffer<u8>>,
92 fn new() -> Self { IPShuffler { lastframe: None } }
94 fn clear(&mut self) { self.lastframe = None; }
96 fn add_frame(&mut self, buf: NAVideoBuffer<u8>) {
97 self.lastframe = Some(buf);
100 fn get_ref(&mut self) -> Option<NAVideoBuffer<u8>> {
101 if let Some(ref frm) = self.lastframe {
111 lastframe: Option<NAVideoBuffer<u8>>,
112 nextframe: Option<NAVideoBuffer<u8>>,
117 fn new() -> Self { IPBShuffler { lastframe: None, nextframe: None } }
119 fn clear(&mut self) { self.lastframe = None; self.nextframe = None; }
121 fn add_frame(&mut self, buf: NAVideoBuffer<u8>) {
122 mem::swap(&mut self.lastframe, &mut self.nextframe);
123 self.lastframe = Some(buf);
126 fn get_lastref(&mut self) -> Option<NAVideoBuffer<u8>> {
127 if let Some(ref frm) = self.lastframe {
134 fn get_nextref(&mut self) -> Option<NAVideoBuffer<u8>> {
135 if let Some(ref frm) = self.nextframe {
142 fn get_b_fwdref(&mut self) -> Option<NAVideoBuffer<u8>> {
143 if let Some(ref frm) = self.nextframe {
150 fn get_b_bwdref(&mut self) -> Option<NAVideoBuffer<u8>> {
151 if let Some(ref frm) = self.lastframe {
159 #[derive(Debug,Clone,Copy,PartialEq)]
166 pub fn new(x: i16, y: i16) -> Self { MV{ x: x, y: y } }
167 pub fn pred(a: MV, b: MV, c: MV) -> Self {
173 if a.x < c.x { x = c.x; } else { x = a.x; }
177 if a.x < c.x { x = a.x; } else { x = c.x; }
187 if a.y < c.y { y = c.y; } else { y = a.y; }
191 if a.y < c.y { y = a.y; } else { y = c.y; }
200 pub const ZERO_MV: MV = MV { x: 0, y: 0 };
204 fn add(self, other: MV) -> MV { MV { x: self.x + other.x, y: self.y + other.y } }
207 impl AddAssign for MV {
208 fn add_assign(&mut self, other: MV) { self.x += other.x; self.y += other.y; }
213 fn sub(self, other: MV) -> MV { MV { x: self.x - other.x, y: self.y - other.y } }
216 impl SubAssign for MV {
217 fn sub_assign(&mut self, other: MV) { self.x -= other.x; self.y -= other.y; }
220 impl fmt::Display for MV {
221 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
222 write!(f, "{},{}", self.x, self.y)
227 pub trait NADecoder {
228 fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()>;
229 fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef>;
232 #[derive(Clone,Copy)]
233 pub struct DecoderInfo {
235 get_decoder: fn () -> Box<NADecoder>,
238 #[cfg(any(feature="h263", feature="decoder_realvideo3", feature="decoder_realvideo4"))]
241 #[cfg(feature="decoder_clearvideo")]
243 #[cfg(feature="decoder_gdvvid")]
245 #[cfg(any(feature="decoder_indeo2", feature="decoder_indeo3", feature="decoder_indeo4", feature="decoder_indeo5", feature="decoder_imc"))]
247 #[cfg(feature="h263")]
249 #[cfg(any(feature="decoder_realvideo3", feature="decoder_realvideo4", feature="decoder_realvideo6", feature="decoder_realaudio144", feature="decoder_realaudio288", feature="decoder_cook", feature="decoder_ralf"))]
252 #[cfg(feature="decoder_aac")]
254 #[cfg(feature="decoder_atrac3")]
256 #[cfg(feature="decoder_pcm")]
258 #[cfg(feature="decoder_sipro")]
260 #[cfg(feature="decoder_ts102366")]
263 const DECODERS: &[DecoderInfo] = &[
264 #[cfg(feature="decoder_clearvideo")]
265 DecoderInfo { name: "clearvideo", get_decoder: clearvideo::get_decoder },
266 #[cfg(feature="decoder_clearvideo")]
267 DecoderInfo { name: "clearvideo_rm", get_decoder: clearvideo::get_decoder_rm },
268 #[cfg(feature="decoder_gdvvid")]
269 DecoderInfo { name: "gdv-video", get_decoder: gremlinvideo::get_decoder },
270 #[cfg(feature="decoder_indeo2")]
271 DecoderInfo { name: "indeo2", get_decoder: indeo::indeo2::get_decoder },
272 #[cfg(feature="decoder_indeo3")]
273 DecoderInfo { name: "indeo3", get_decoder: indeo::indeo3::get_decoder },
274 #[cfg(feature="decoder_indeo4")]
275 DecoderInfo { name: "indeo4", get_decoder: indeo::indeo4::get_decoder },
276 #[cfg(feature="decoder_indeo5")]
277 DecoderInfo { name: "indeo5", get_decoder: indeo::indeo5::get_decoder },
278 #[cfg(feature="decoder_intel263")]
279 DecoderInfo { name: "intel263", get_decoder: h263::intel263::get_decoder },
280 #[cfg(feature="decoder_realvideo1")]
281 DecoderInfo { name: "realvideo1", get_decoder: h263::rv10::get_decoder },
282 #[cfg(feature="decoder_realvideo2")]
283 DecoderInfo { name: "realvideo2", get_decoder: h263::rv20::get_decoder },
284 #[cfg(feature="decoder_realvideo3")]
285 DecoderInfo { name: "realvideo3", get_decoder: real::rv30::get_decoder },
286 #[cfg(feature="decoder_realvideo4")]
287 DecoderInfo { name: "realvideo4", get_decoder: real::rv40::get_decoder },
288 #[cfg(feature="decoder_realvideo6")]
289 DecoderInfo { name: "realvideo6", get_decoder: real::rv60::get_decoder },
291 #[cfg(feature="decoder_pcm")]
292 DecoderInfo { name: "pcm", get_decoder: pcm::get_decoder },
293 #[cfg(feature="decoder_imc")]
294 DecoderInfo { name: "imc", get_decoder: indeo::imc::get_decoder_imc },
295 #[cfg(feature="decoder_imc")]
296 DecoderInfo { name: "iac", get_decoder: indeo::imc::get_decoder_iac },
297 #[cfg(feature="decoder_realaudio144")]
298 DecoderInfo { name: "ra14.4", get_decoder: real::ra144::get_decoder },
299 #[cfg(feature="decoder_realaudio288")]
300 DecoderInfo { name: "ra28.8", get_decoder: real::ra288::get_decoder },
301 #[cfg(feature="decoder_sipro")]
302 DecoderInfo { name: "sipro", get_decoder: sipro::get_decoder },
303 #[cfg(feature="decoder_ts102366")]
304 DecoderInfo { name: "ac3", get_decoder: ts102366::get_decoder },
305 #[cfg(feature="decoder_cook")]
306 DecoderInfo { name: "cook", get_decoder: real::cook::get_decoder },
307 #[cfg(feature="decoder_atrac3")]
308 DecoderInfo { name: "atrac3", get_decoder: atrac3::get_decoder },
309 #[cfg(feature="decoder_aac")]
310 DecoderInfo { name: "aac", get_decoder: aac::get_decoder },
311 #[cfg(feature="decoder_ralf")]
312 DecoderInfo { name: "ralf", get_decoder: real::ralf::get_decoder },
315 pub fn find_decoder(name: &str) -> Option<fn () -> Box<NADecoder>> {
316 for &dec in DECODERS {
317 if dec.name == name {
318 return Some(dec.get_decoder);