add flush() to decoder interface

[nihav.git] / nihav-rad / src / codecs / smacker.rs

diff --git a/nihav-rad/src/codecs/smacker.rs b/nihav-rad/src/codecs/smacker.rs
index bbf48460061c519d85906af5f0ca57a2e9f7a60d..cb7d0ba921bc7f2a1aafcb6dfa2dca8638ecdbac 100644 (file)
--- a/nihav-rad/src/codecs/smacker.rs
+++ b/nihav-rad/src/codecs/smacker.rs
@@ -210,7 +210,7 @@ const SMK_BLOCK_RUNS: [usize; 64] = [
 ];
 
 struct SmackerVideoDecoder {
-    info:       Rc<NACodecInfo>,
+    info:       NACodecInfoRef,
     mmap_tree:  SmackerTree16,
     mclr_tree:  SmackerTree16,
     full_tree:  SmackerTree16,
@@ -227,9 +227,8 @@ struct SmackerVideoDecoder {
 
 impl SmackerVideoDecoder {
     fn new() -> Self {
-        let dummy_info = Rc::new(DUMMY_CODEC_INFO);
         Self {
-            info:       dummy_info,
+            info:       NACodecInfoRef::default(),
             mmap_tree:  SmackerTree16::new(),
             mclr_tree:  SmackerTree16::new(),
             full_tree:  SmackerTree16::new(),
@@ -388,7 +387,7 @@ impl SmackerVideoDecoder {
 }
 
 impl NADecoder for SmackerVideoDecoder {
-    fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
+    fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
         if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
             let w = vinfo.get_width();
             let h = vinfo.get_height();
@@ -428,15 +427,14 @@ impl NADecoder for SmackerVideoDecoder {
                 out_h <<= 1;
             }
             let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(w, out_h, false, fmt));
-            self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()));
-
+            self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
 
             Ok(())
         } else {
             Err(DecoderError::InvalidData)
         }
     }
-    fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+    fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
         let src = pkt.get_buffer();
         validate!(src.len() >= PAL_SIZE);
 
@@ -446,9 +444,7 @@ impl NADecoder for SmackerVideoDecoder {
         if src.len() > PAL_SIZE {
             let mut br = BitReader::new(&src[PAL_SIZE..], src.len() - PAL_SIZE, BitReaderMode::LE);
 
-            let bufret = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 2);
-            if let Err(_) = bufret { return Err(DecoderError::InvalidData); }
-            bufinfo = bufret.unwrap();
+            bufinfo = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 2)?;
             let mut buf = bufinfo.get_vbuf().unwrap();
             is_intra = self.decode_frame(&mut br)?;
             self.output_frame(&mut buf);
@@ -467,11 +463,13 @@ impl NADecoder for SmackerVideoDecoder {
         let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
         frm.set_keyframe(is_intra);
         frm.set_frame_type(ftype);
-        Ok(Rc::new(RefCell::new(frm)))
+        Ok(frm.into_ref())
+    }
+    fn flush(&mut self) {
     }
 }
 
-pub fn get_decoder_video() -> Box<NADecoder> {
+pub fn get_decoder_video() -> Box<dyn NADecoder> {
     Box::new(SmackerVideoDecoder::new())
 }
 
@@ -494,7 +492,7 @@ impl SmackerAudioDecoder {
 }
 
 impl NADecoder for SmackerAudioDecoder {
-    fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
+    fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
         if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() {
             self.bits = ainfo.get_format().get_bits();
             let fmt = if self.bits == 8 { SND_U8_FORMAT } else { SND_S16P_FORMAT };
@@ -506,7 +504,7 @@ impl NADecoder for SmackerAudioDecoder {
             Err(DecoderError::InvalidData)
         }
     }
-    fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+    fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
         let info = pkt.get_stream().get_info();
         if let NACodecTypeInfo::Audio(_) = info.get_properties() {
             let src = pkt.get_buffer();
@@ -516,7 +514,7 @@ impl NADecoder for SmackerAudioDecoder {
             if !br.read_bool()? {
                 let mut frm = NAFrame::new_from_pkt(pkt, info.clone(), NABufferType::None);
                 frm.set_frame_type(FrameType::Skip);
-                return Ok(Rc::new(RefCell::new(frm)));
+                return Ok(frm.into_ref());
             }
             let stereo                          = br.read_bool()?;
             let bits16                          = br.read_bool()?;
@@ -588,14 +586,16 @@ impl NADecoder for SmackerAudioDecoder {
             let mut frm = NAFrame::new_from_pkt(pkt, info, abuf);
             frm.set_duration(Some(samples as u64));
             frm.set_keyframe(false);
-            Ok(Rc::new(RefCell::new(frm)))
+            Ok(frm.into_ref())
         } else {
             Err(DecoderError::InvalidData)
         }
     }
+    fn flush(&mut self) {
+    }
 }
 
-pub fn get_decoder_audio() -> Box<NADecoder> {
+pub fn get_decoder_audio() -> Box<dyn NADecoder> {
     Box::new(SmackerAudioDecoder::new())
 }