3 use std::cell::RefCell;
4 use io::byteio::ByteIOError;
5 use io::bitreader::BitReaderError;
6 use io::codebook::CodebookError;
8 #[derive(Debug,Clone,Copy,PartialEq)]
10 pub enum DecoderError {
18 type DecoderResult<T> = Result<T, DecoderError>;
20 impl From<ByteIOError> for DecoderError {
21 fn from(_: ByteIOError) -> Self { DecoderError::ShortData }
24 impl From<BitReaderError> for DecoderError {
25 fn from(e: BitReaderError) -> Self {
27 BitReaderError::BitstreamEnd => DecoderError::ShortData,
28 _ => DecoderError::InvalidData,
33 impl From<CodebookError> for DecoderError {
34 fn from(_: CodebookError) -> Self { DecoderError::InvalidData }
39 lastframe: Option<NAVideoBuffer<u8>>,
44 fn new() -> Self { HAMShuffler { lastframe: None } }
46 fn clear(&mut self) { self.lastframe = None; }
48 fn add_frame(&mut self, buf: NAVideoBuffer<u8>) {
49 self.lastframe = Some(buf);
52 fn clone_ref(&mut self) -> Option<NAVideoBuffer<u8>> {
53 if let Some(ref mut frm) = self.lastframe {
54 let newfrm = frm.copy_buffer();
55 *frm = newfrm.clone();
62 fn get_output_frame(&mut self) -> Option<NAVideoBuffer<u8>> {
63 match self.lastframe {
64 Some(ref frm) => Some(frm.clone()),
72 lastframe: Option<NAVideoBuffer<u8>>,
77 fn new() -> Self { IPShuffler { lastframe: None } }
79 fn clear(&mut self) { self.lastframe = None; }
81 fn add_frame(&mut self, buf: NAVideoBuffer<u8>) {
82 self.lastframe = Some(buf);
85 fn get_ref(&mut self) -> Option<NAVideoBuffer<u8>> {
86 if let Some(ref frm) = self.lastframe {
95 fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()>;
96 fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef>;
100 pub struct DecoderInfo {
102 get_decoder: fn () -> Box<NADecoder>,
105 macro_rules! validate {
106 ($a:expr) => { if !$a { return Err(DecoderError::InvalidData); } };
109 #[cfg(feature="decoder_indeo2")]
111 #[cfg(feature="decoder_indeo3")]
113 #[cfg(feature="decoder_pcm")]
116 const DECODERS: &[DecoderInfo] = &[
117 #[cfg(feature="decoder_indeo2")]
118 DecoderInfo { name: "indeo2", get_decoder: indeo2::get_decoder },
119 #[cfg(feature="decoder_indeo3")]
120 DecoderInfo { name: "indeo3", get_decoder: indeo3::get_decoder },
121 #[cfg(feature="decoder_pcm")]
122 DecoderInfo { name: "pcm", get_decoder: pcm::get_decoder },
125 pub fn find_decoder(name: &str) -> Option<fn () -> Box<NADecoder>> {
126 for &dec in DECODERS {
127 if dec.name == name {
128 return Some(dec.get_decoder);
135 use std::fs::{File, OpenOptions};
137 use std::io::prelude::*;
140 fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frmref: NAFrameRef) {
141 let frm = frmref.borrow();
142 let name = format!("assets/{}out{:02}_{:04}.pgm", pfx, strno, num);
143 let mut ofile = File::create(name).unwrap();
144 let buf = frm.get_buffer().get_vbuf().unwrap();
145 let (w, h) = buf.get_dimensions(0);
146 let (w2, h2) = buf.get_dimensions(1);
148 let hdr = format!("P5\n{} {}\n255\n", w, tot_h);
149 ofile.write_all(hdr.as_bytes()).unwrap();
150 let dta = buf.get_data();
151 let ls = buf.get_stride(0);
154 let mut pad: Vec<u8> = Vec::with_capacity((w - w2 * 2) / 2);
155 pad.resize((w - w2 * 2) / 2, 0xFF);
157 let line = &dta[idx..idx2];
158 ofile.write_all(line).unwrap();
162 let mut base1 = buf.get_offset(1);
163 let stride1 = buf.get_stride(1);
164 let mut base2 = buf.get_offset(2);
165 let stride2 = buf.get_stride(2);
167 let bend1 = base1 + w2;
168 let line = &dta[base1..bend1];
169 ofile.write_all(line).unwrap();
170 ofile.write_all(pad.as_slice()).unwrap();
172 let bend2 = base2 + w2;
173 let line = &dta[base2..bend2];
174 ofile.write_all(line).unwrap();
175 ofile.write_all(pad.as_slice()).unwrap();
183 fn write_sound(pfx: &str, strno: usize, frmref: NAFrameRef, first: bool) {
184 let frm = frmref.borrow();
185 let name = format!("assets/{}out{:02}.raw", pfx, strno);
186 let mut file = if first { File::create(name).unwrap() } else { OpenOptions::new().write(true).append(true).open(name).unwrap() };
187 let btype = frm.get_buffer();
188 let _ = match btype {
189 NABufferType::AudioU8(ref ab) => file.write_all(ab.get_data().as_ref()),
190 NABufferType::AudioPacked(ref ab) => file.write_all(ab.get_data().as_ref()),