add flush() to decoder interface

11 files changed, 28 insertions, 0 deletions

diff --git a/nihav-duck/src/codecs/dkadpcm.rs b/nihav-duck/src/codecs/dkadpcm.rs
index d339556..24f5b5b 100644
--- a/nihav-duck/src/codecs/dkadpcm.rs
+++ b/nihav-duck/src/codecs/dkadpcm.rs
@@ -163,6 +163,8 @@ impl NADecoder for DuckADPCMDecoder {
             Err(DecoderError::InvalidData)
         }
     }
+    fn flush(&mut self) {
+    }
 }
 
 pub fn get_decoder_dk3() -> Box<dyn NADecoder> {
diff --git a/nihav-duck/src/codecs/on2avc.rs b/nihav-duck/src/codecs/on2avc.rs
index 46880fa..8273437 100644
--- a/nihav-duck/src/codecs/on2avc.rs
+++ b/nihav-duck/src/codecs/on2avc.rs
@@ -1044,6 +1044,8 @@ impl NADecoder for AVCDecoder {
         frm.set_keyframe(true);
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+    }
 }
 
 pub fn get_decoder_500() -> Box<dyn NADecoder> {
diff --git a/nihav-duck/src/codecs/truemotion1.rs b/nihav-duck/src/codecs/truemotion1.rs
index 44ff668..c313b13 100644
--- a/nihav-duck/src/codecs/truemotion1.rs
+++ b/nihav-duck/src/codecs/truemotion1.rs
@@ -654,6 +654,9 @@ impl NADecoder for TM1Decoder {
         frm.set_frame_type(if is_intra { FrameType::I } else { FrameType::P });
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+        self.lastframe.reset();
+    }
 }
 
 pub fn get_decoder() -> Box<dyn NADecoder> {
diff --git a/nihav-duck/src/codecs/truemotion2.rs b/nihav-duck/src/codecs/truemotion2.rs
index ecfce30..c222c44 100644
--- a/nihav-duck/src/codecs/truemotion2.rs
+++ b/nihav-duck/src/codecs/truemotion2.rs
@@ -577,6 +577,8 @@ impl NADecoder for TM2Decoder {
         frm.set_frame_type(if is_intra { FrameType::I } else { FrameType::P });
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+    }
 }
 
 pub fn get_decoder() -> Box<dyn NADecoder> {
diff --git a/nihav-duck/src/codecs/truemotion2x.rs b/nihav-duck/src/codecs/truemotion2x.rs
index 16d1125..584ee43 100644
--- a/nihav-duck/src/codecs/truemotion2x.rs
+++ b/nihav-duck/src/codecs/truemotion2x.rs
@@ -688,6 +688,8 @@ impl NADecoder for TM2XDecoder {
         frm.set_frame_type(if self.is_intra { FrameType::I } else { FrameType::P });
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+    }
 }
 
 pub fn get_decoder() -> Box<dyn NADecoder> {
diff --git a/nihav-duck/src/codecs/truemotionrt.rs b/nihav-duck/src/codecs/truemotionrt.rs
index ba2ff17..97ad981 100644
--- a/nihav-duck/src/codecs/truemotionrt.rs
+++ b/nihav-duck/src/codecs/truemotionrt.rs
@@ -80,6 +80,8 @@ impl NADecoder for TMRTDecoder {
         frm.set_frame_type(FrameType::I);
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+    }
 }
 
 pub fn get_decoder() -> Box<dyn NADecoder> {
diff --git a/nihav-duck/src/codecs/vp3.rs b/nihav-duck/src/codecs/vp3.rs
index d25d27f..dd71c8b 100644
--- a/nihav-duck/src/codecs/vp3.rs
+++ b/nihav-duck/src/codecs/vp3.rs
@@ -1839,6 +1839,9 @@ 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> {
diff --git a/nihav-duck/src/codecs/vp5.rs b/nihav-duck/src/codecs/vp5.rs
index abfd4d0..d13ffab 100644
--- a/nihav-duck/src/codecs/vp5.rs
+++ b/nihav-duck/src/codecs/vp5.rs
@@ -267,6 +267,9 @@ impl NADecoder for VP5Decoder {
         frm.set_frame_type(ftype);
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+        self.dec.flush();
+    }
 }
 
 pub fn get_decoder() -> Box<NADecoder> {
diff --git a/nihav-duck/src/codecs/vp56.rs b/nihav-duck/src/codecs/vp56.rs
index d0a991f..28b1f06 100644
--- a/nihav-duck/src/codecs/vp56.rs
+++ b/nihav-duck/src/codecs/vp56.rs
@@ -428,6 +428,9 @@ impl VP56Decoder {
         self.set_dimensions(vinfo.get_width(), vinfo.get_height());
         Ok(())
     }
+    pub fn flush(&mut self) {
+        self.shuf.clear();
+    }
     pub fn decode_frame(&mut self, supp: &mut NADecoderSupport, src: &[u8], br: &mut dyn VP56Parser) -> DecoderResult<(NABufferType, FrameType)> {
         let aoffset;
         let mut bc;
diff --git a/nihav-duck/src/codecs/vp6.rs b/nihav-duck/src/codecs/vp6.rs
index 1cf6a78..803ce5e 100644
--- a/nihav-duck/src/codecs/vp6.rs
+++ b/nihav-duck/src/codecs/vp6.rs
@@ -701,6 +701,9 @@ impl NADecoder for VP6Decoder {
         frm.set_frame_type(ftype);
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+        self.dec.flush();
+    }
 }
 
 pub fn get_decoder_vp6() -> Box<NADecoder> {
diff --git a/nihav-duck/src/codecs/vp7.rs b/nihav-duck/src/codecs/vp7.rs
index ccdb5dd..b96da83 100644
--- a/nihav-duck/src/codecs/vp7.rs
+++ b/nihav-duck/src/codecs/vp7.rs
@@ -1392,6 +1392,9 @@ impl NADecoder for VP7Decoder {
         frm.set_frame_type(if self.dstate.is_intra { FrameType::I } else { FrameType::P });
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+        self.shuf.clear();
+    }
 }
 
 pub fn get_decoder() -> Box<NADecoder> {