annotate the sources for test samples

[nihav.git] / nihav-vivo / src / codecs / vivo.rs

diff --git a/nihav-vivo/src/codecs/vivo.rs b/nihav-vivo/src/codecs/vivo.rs
index c6620b426a553211a4049c9223102804f382cd11..64af5ffae9833396c07a162877c8043cc04eb982 100644 (file)
--- a/nihav-vivo/src/codecs/vivo.rs
+++ b/nihav-vivo/src/codecs/vivo.rs
@@ -95,7 +95,7 @@ fn gen_clip_tab(clip_tab: &mut [i16; 64], q: u8) {
         clip_tab[(32 + i) as usize] =  i;
     }
     for i in lim..q {
-        let val = q - i; 
+        let val = q - i;
         clip_tab[(32 - i) as usize] = -val;
         clip_tab[(32 + i) as usize] =  val;
     }
@@ -124,17 +124,17 @@ impl BlockDSP for VivoBlockDSP {
 
         blockdsp::copy_block(&mut dst, src.clone(), 0, xpos, ypos, mv.x >> 1, mv.y >> 1, 16, 16, 0, 1, mode, H263_INTERP_FUNCS);
         blockdsp::copy_block(&mut dst, src.clone(), 1, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_FUNCS);
-        blockdsp::copy_block(&mut dst, src.clone(), 2, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_FUNCS);
+        blockdsp::copy_block(&mut dst, src,         2, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_FUNCS);
     }
     fn copy_blocks8x8(&self, dst: &mut NAVideoBuffer<u8>, src: NAVideoBufferRef<u8>, xpos: usize, ypos: usize, mvs: &[MV; 4]) {
         let mut dst = NASimpleVideoFrame::from_video_buf(dst).unwrap();
 
-        for i in 0..4 {
+        for (i, mv) in mvs.iter().enumerate() {
             let xadd = (i & 1) * 8;
             let yadd = (i & 2) * 4;
-            let mode = ((mvs[i].x & 1) + (mvs[i].y & 1) * 2) as usize;
+            let mode = ((mv.x & 1) + (mv.y & 1) * 2) as usize;
 
-            blockdsp::copy_block(&mut dst, src.clone(), 0, xpos + xadd, ypos + yadd, mvs[i].x >> 1, mvs[i].y >> 1, 8, 8, 0, 1, mode, H263_INTERP_FUNCS);
+            blockdsp::copy_block(&mut dst, src.clone(), 0, xpos + xadd, ypos + yadd, mv.x >> 1, mv.y >> 1, 8, 8, 0, 1, mode, H263_INTERP_FUNCS);
         }
 
         let sum_mv = mvs[0] + mvs[1] + mvs[2] + mvs[3];
@@ -153,17 +153,17 @@ impl BlockDSP for VivoBlockDSP {
 
         blockdsp::copy_block(&mut dst, src.clone(), 0, xpos, ypos, mv.x >> 1, mv.y >> 1, 16, 16, 0, 1, mode, H263_INTERP_AVG_FUNCS);
         blockdsp::copy_block(&mut dst, src.clone(), 1, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_AVG_FUNCS);
-        blockdsp::copy_block(&mut dst, src.clone(), 2, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_AVG_FUNCS);
+        blockdsp::copy_block(&mut dst, src,         2, xpos >> 1, ypos >> 1, mv.x >> 2, mv.y >> 2, 8, 8, 0, 1, cmode, H263_INTERP_AVG_FUNCS);
     }
     fn avg_blocks8x8(&self, dst: &mut NAVideoBuffer<u8>, src: NAVideoBufferRef<u8>, xpos: usize, ypos: usize, mvs: &[MV; 4]) {
         let mut dst = NASimpleVideoFrame::from_video_buf(dst).unwrap();
 
-        for i in 0..4 {
+        for (i, mv) in mvs.iter().enumerate() {
             let xadd = (i & 1) * 8;
             let yadd = (i & 2) * 4;
-            let mode = ((mvs[i].x & 1) + (mvs[i].y & 1) * 2) as usize;
+            let mode = ((mv.x & 1) + (mv.y & 1) * 2) as usize;
 
-            blockdsp::copy_block(&mut dst, src.clone(), 0, xpos + xadd, ypos + yadd, mvs[i].x >> 1, mvs[i].y >> 1, 8, 8, 0, 1, mode, H263_INTERP_AVG_FUNCS);
+            blockdsp::copy_block(&mut dst, src.clone(), 0, xpos + xadd, ypos + yadd, mv.x >> 1, mv.y >> 1, 8, 8, 0, 1, mode, H263_INTERP_AVG_FUNCS);
         }
 
         let sum_mv = mvs[0] + mvs[1] + mvs[2] + mvs[3];
@@ -729,6 +729,7 @@ mod test {
     use nihav_codec_support::test::dec_video::*;
     use crate::vivo_register_all_decoders;
     use crate::vivo_register_all_demuxers;
+    // samples from https://samples.mplayerhq.hu/vivo/
     #[test]
     fn test_vivo1() {
         let mut dmx_reg = RegisteredDemuxers::new();