more utility code for decoders, move dumping functions to the core

[nihav.git] / src / codecs / mod.rs

diff --git a/src/codecs/mod.rs b/src/codecs/mod.rs
index 206032e6997b63c5cbb7c9dfc6ee5a916fbf71a9..54dc0f2096ca7d25d571e61351ed2684b62299a3 100644 (file)
--- a/src/codecs/mod.rs
+++ b/src/codecs/mod.rs
@@ -1,8 +1,3 @@
-#[cfg(feature="decoder_indeo2")]
-pub mod indeo2;
-#[cfg(feature="decoder_pcm")]
-pub mod pcm;
-
 use frame::*;
 use std::rc::Rc;
 use std::cell::RefCell;
@@ -72,6 +67,30 @@ impl HAMShuffler {
     }
 }
 
+#[allow(dead_code)]
+struct IPShuffler {
+    lastframe: Option<NAVideoBuffer<u8>>,
+}
+
+impl IPShuffler {
+    #[allow(dead_code)]
+    fn new() -> Self { IPShuffler { 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 get_ref(&mut self) -> Option<NAVideoBuffer<u8>> {
+        if let Some(ref frm) = self.lastframe {
+            Some(frm.clone())
+        } else {
+            None
+        }
+    }
+}
+
 pub trait NADecoder {
     fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()>;
     fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef>;
@@ -83,9 +102,22 @@ pub struct DecoderInfo {
     get_decoder: fn () -> Box<NADecoder>,
 }
 
+macro_rules! validate {
+    ($a:expr) => { if !$a { return Err(DecoderError::InvalidData); } };
+}
+
+#[cfg(feature="decoder_indeo2")]
+mod indeo2;
+#[cfg(feature="decoder_indeo3")]
+mod indeo3;
+#[cfg(feature="decoder_pcm")]
+mod pcm;
+
 const DECODERS: &[DecoderInfo] = &[
 #[cfg(feature="decoder_indeo2")]
     DecoderInfo { name: "indeo2", get_decoder: indeo2::get_decoder },
+#[cfg(feature="decoder_indeo3")]
+    DecoderInfo { name: "indeo3", get_decoder: indeo3::get_decoder },
 #[cfg(feature="decoder_pcm")]
     DecoderInfo { name: "pcm", get_decoder: pcm::get_decoder },
 ];
@@ -98,3 +130,64 @@ pub fn find_decoder(name: &str) -> Option<fn () -> Box<NADecoder>> {
     }
     None
 }
+
+#[cfg(test)]
+use std::fs::{File, OpenOptions};
+#[cfg(test)]
+use std::io::prelude::*;
+
+#[cfg(test)]
+fn write_pgmyuv(pfx: &str, strno: usize, num: u64, frmref: NAFrameRef) {
+    let frm = frmref.borrow();
+    let name = format!("assets/{}out{:02}_{:04}.pgm", pfx, strno, num);
+    let mut ofile = File::create(name).unwrap();
+    let buf = frm.get_buffer().get_vbuf().unwrap();
+    let (w, h) = buf.get_dimensions(0);
+    let (w2, h2) = buf.get_dimensions(1);
+    let tot_h = h + h2;
+    let hdr = format!("P5\n{} {}\n255\n", w, tot_h);
+    ofile.write_all(hdr.as_bytes()).unwrap();
+    let dta = buf.get_data();
+    let ls = buf.get_stride(0);
+    let mut idx = 0;
+    let mut idx2 = ls;
+    let mut pad: Vec<u8> = Vec::with_capacity((w - w2 * 2) / 2);
+    pad.resize((w - w2 * 2) / 2, 0xFF);
+    for _ in 0..h {
+        let line = &dta[idx..idx2];
+        ofile.write_all(line).unwrap();
+        idx  += ls;
+        idx2 += ls;
+    }
+    let mut base1 = buf.get_offset(1);
+    let stride1 = buf.get_stride(1);
+    let mut base2 = buf.get_offset(2);
+    let stride2 = buf.get_stride(2);
+    for _ in 0..h2 {
+        let bend1 = base1 + w2;
+        let line = &dta[base1..bend1];
+        ofile.write_all(line).unwrap();
+        ofile.write_all(pad.as_slice()).unwrap();
+
+        let bend2 = base2 + w2;
+        let line = &dta[base2..bend2];
+        ofile.write_all(line).unwrap();
+        ofile.write_all(pad.as_slice()).unwrap();
+
+        base1 += stride1;
+        base2 += stride2;
+    }
+}
+
+#[cfg(test)]
+fn write_sound(pfx: &str, strno: usize, frmref: NAFrameRef, first: bool) {
+    let frm = frmref.borrow();
+    let name = format!("assets/{}out{:02}.raw", pfx, strno);
+    let mut file = if first { File::create(name).unwrap() } else { OpenOptions::new().write(true).append(true).open(name).unwrap() };
+    let btype = frm.get_buffer();
+    let _ = match btype {
+        NABufferType::AudioU8(ref ab)      => file.write_all(ab.get_data().as_ref()),
+        NABufferType::AudioPacked(ref ab)   => file.write_all(ab.get_data().as_ref()),
+        _ => Ok(()),
+    };
+}