add flush() to decoder interface

[nihav.git] / nihav-game / src / codecs / bmv3.rs

diff --git a/nihav-game/src/codecs/bmv3.rs b/nihav-game/src/codecs/bmv3.rs
index 2cd0b2b8868797cf83fcaaddc333943368c88ab5..47378af1459ea64fb2a556ab239b999aff9fee17 100644 (file)
--- a/nihav-game/src/codecs/bmv3.rs
+++ b/nihav-game/src/codecs/bmv3.rs
@@ -85,11 +85,6 @@ struct BMV3VideoDecoder {
 
 impl BMV3VideoDecoder {
     fn new() -> Self {
-        let mut frame1 = Vec::with_capacity(BMV_MAX_SIZE);
-        frame1.resize(BMV_MAX_SIZE, 0);
-        let mut frame2 = Vec::with_capacity(BMV_MAX_SIZE);
-        frame2.resize(BMV_MAX_SIZE, 0);
-
         let mut pixels = [0u16; 256];
         for (i, el) in pixels.iter_mut().enumerate() {
             *el = i as u16;
@@ -105,8 +100,8 @@ impl BMV3VideoDecoder {
             info:       NACodecInfoRef::default(),
             stride:     0,
             height:     0,
-            frame:      frame1,
-            prev_frame: frame2,
+            frame:      vec![0; BMV_MAX_SIZE],
+            prev_frame: vec![0; BMV_MAX_SIZE],
             pixels, pixbuf,
             mode:       BMV3Mode::Normal,
             pos:        0,
@@ -441,7 +436,7 @@ impl BMV3VideoDecoder {
 }
 
 impl NADecoder for BMV3VideoDecoder {
-    fn init(&mut self, info: NACodecInfoRef) -> DecoderResult<()> {
+    fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
         if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
             let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, RGB565_FORMAT));
             self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
@@ -457,7 +452,7 @@ impl NADecoder for BMV3VideoDecoder {
             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() > 1);
 
@@ -481,9 +476,7 @@ impl NADecoder for BMV3VideoDecoder {
         self.pos = off + self.stride;
         self.is_intra = (flags & BMV_INTRA) == BMV_INTRA;
 
-        let bufret = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 0);
-        if let Err(_) = bufret { return Err(DecoderError::InvalidData); }
-        let bufinfo = bufret.unwrap();
+        let bufinfo = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 0)?;
 
         self.decode_frame(&mut br)?;
 
@@ -506,10 +499,12 @@ impl NADecoder for BMV3VideoDecoder {
         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_video() -> Box<NADecoder> {
+pub fn get_decoder_video() -> Box<dyn NADecoder> {
     Box::new(BMV3VideoDecoder::new())
 }
 
@@ -552,7 +547,7 @@ fn decode_block(mode: u8, src: &[u8], dst: &mut [i16], mut pred: i16) -> i16 {
 }
 
 impl NADecoder for BMV3AudioDecoder {
-    fn init(&mut self, info: NACodecInfoRef) -> DecoderResult<()> {
+    fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
         if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() {
             self.ainfo = NAAudioInfo::new(ainfo.get_sample_rate(), ainfo.get_channels(), formats::SND_S16P_FORMAT, 32);
             self.chmap = NAChannelMap::from_str("L,R").unwrap();
@@ -561,7 +556,7 @@ impl NADecoder for BMV3AudioDecoder {
             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 pktbuf = pkt.get_buffer();
@@ -596,9 +591,11 @@ impl NADecoder for BMV3AudioDecoder {
             Err(DecoderError::InvalidData)
         }
     }
+    fn flush(&mut self) {
+    }
 }
 
-pub fn get_decoder_audio() -> Box<NADecoder> {
+pub fn get_decoder_audio() -> Box<dyn NADecoder> {
     Box::new(BMV3AudioDecoder::new())
 }