X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fvp3.rs;h=acb783f21d9143eecb029ec0132116daf98ea9ea;hb=08a1fab72215ea7716f51adf7008f85372e80c71;hp=487c671dd00bfdab01867cccd644dfbab2f51dd6;hpb=64e8b9711a54641d4155d01f095053233c79a9bf;p=nihav.git

diff --git a/nihav-duck/src/codecs/vp3.rs b/nihav-duck/src/codecs/vp3.rs
index 487c671..acb783f 100644
--- a/nihav-duck/src/codecs/vp3.rs
+++ b/nihav-duck/src/codecs/vp3.rs
@@ -542,55 +542,6 @@ macro_rules! fill_dc_pred {
     };
 }
 
-fn vp3_interp00(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize)
-{
-    let mut didx = 0;
-    let mut sidx = 0;
-    for _ in 0..bh {
-        for x in 0..bw { dst[didx + x] = src[sidx + x]; }
-        didx += dstride;
-        sidx += sstride;
-    }
-}
-
-fn vp3_interp01(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize)
-{
-    let mut didx = 0;
-    let mut sidx = 0;
-    for _ in 0..bh {
-        for x in 0..bw { dst[didx + x] = (((src[sidx + x] as u16) + (src[sidx + x + 1] as u16)) >> 1) as u8; }
-        didx += dstride;
-        sidx += sstride;
-    }
-}
-
-fn vp3_interp10(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize)
-{
-    let mut didx = 0;
-    let mut sidx = 0;
-    for _ in 0..bh {
-        for x in 0..bw { dst[didx + x] = (((src[sidx + x] as u16) + (src[sidx + x + sstride] as u16)) >> 1) as u8; }
-        didx += dstride;
-        sidx += sstride;
-    }
-}
-
-fn vp3_interp11(dst: &mut [u8], dstride: usize, src: &[u8], sstride: usize, bw: usize, bh: usize)
-{
-    let mut didx = 0;
-    let mut sidx = 0;
-    for _ in 0..bh {
-        for x in 0..bw {
-            dst[didx + x] = (((src[sidx + x] as u16) +
-                              (src[sidx + x + 1] as u16) +
-                              (src[sidx + x + sstride] as u16) +
-                              (src[sidx + x + sstride + 1] as u16)) >> 2) as u8;
-        }
-        didx += dstride;
-        sidx += sstride;
-    }
-}
-
 fn vp31_loop_filter_v(frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, plane: usize, loop_str: i16) {
     let off = frm.offset[plane] + x + y * frm.stride[plane];
     vp31_loop_filter(frm.data, off, 1, frm.stride[plane], 8, loop_str);
@@ -601,8 +552,6 @@ fn vp31_loop_filter_h(frm: &mut NASimpleVideoFrame<u8>, x: usize, y: usize, plan
     vp31_loop_filter(frm.data, off, frm.stride[plane], 1, 8, loop_str);
 }
 
-pub const VP3_INTERP_FUNCS: &[blockdsp::BlkInterpFunc] = &[ vp3_interp00, vp3_interp01, vp3_interp10, vp3_interp11 ];
-
 impl VP34Decoder {
     fn new(version: u8) -> Self {
         let vt = alloc_video_buffer(NAVideoInfo::new(24, 24, false, YUV420_FORMAT), 4).unwrap();
@@ -1865,6 +1814,10 @@ impl NADecoder for VP34Decoder {
         self.parse_header(&mut br)?;
         if self.is_intra {
             self.shuf.clear();
+        } else {
+            if !self.shuf.has_refs() {
+                return Err(DecoderError::MissingReference);
+            }
         }
 
         let ret = supp.pool_u8.get_free();
@@ -1890,13 +1843,16 @@ impl NADecoder for VP34Decoder {
         frm.set_frame_type(if self.is_intra { FrameType::I } else { FrameType::P });
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+        self.shuf.clear();
+    }
 }
 
-pub fn get_decoder_vp3() -> Box<NADecoder> {
+pub fn get_decoder_vp3() -> Box<NADecoder + Send> {
     Box::new(VP34Decoder::new(3))
 }
 
-pub fn get_decoder_vp4() -> Box<NADecoder> {
+pub fn get_decoder_vp4() -> Box<NADecoder + Send> {
     Box::new(VP34Decoder::new(4))
 }