make all codec crates export just register_all functions and document them

[nihav.git] / nihav-realmedia / src / codecs / rv30.rs

diff --git a/nihav-realmedia/src/codecs/rv30.rs b/nihav-realmedia/src/codecs/rv30.rs
index 348209099444514646fbb611a1fe7c08e77e18e7..e38c89cc2580f6685ca873350cf0b41eccce723d 100644 (file)
--- a/nihav-realmedia/src/codecs/rv30.rs
+++ b/nihav-realmedia/src/codecs/rv30.rs
@@ -1,5 +1,3 @@
-use std::rc::Rc;
-use std::cell::RefCell;
 use nihav_core::formats;
 use nihav_core::io::bitreader::*;
 use nihav_core::io::intcode::*;
@@ -51,7 +49,7 @@ impl RV34BitstreamDecoder for RealVideo30BR {
         let start               = br.read(get_slice_start_offset_bits(w, h))? as usize;
                                   br.skip(1)?;
 
-        Ok(RV34SliceHeader{ ftype: ftype, quant: q, deblock: deblock, pts: pts, width: w, height: h, start: start, end: 0, set_idx: 0 })
+        Ok(RV34SliceHeader{ ftype, quant: q, deblock, pts, width: w, height: h, start, end: 0, set_idx: 0 })
     }
     fn decode_intra_pred(&mut self, br: &mut BitReader, types: &mut [i8], mut pos: usize, tstride: usize, _has_top: bool) -> DecoderResult<()> {
         for _ in 0..4 {
@@ -81,7 +79,7 @@ impl RV34BitstreamDecoder for RealVideo30BR {
         let idx = if ftype == FrameType::P { 0 } else { 1 };
         Ok(MBInfo { mbtype: RV30_MB_TYPES[idx][code], skip_run: 0, dquant: dq })
     }
-    fn predict_b_mv(&self, sstate: &SState, mvi: &MVInfo, mbtype: MBType, mvs: &[MV], _mbinfo: &Vec<RV34MBInfo>) -> (MV, MV) {
+    fn predict_b_mv(&self, sstate: &SState, mvi: &MVInfo, mbtype: MBType, mvs: &[MV], _mbinfo: &[RV34MBInfo]) -> (MV, MV) {
         let mb_x = sstate.mb_x;
         let mb_y = sstate.mb_y;
         let mv_f;
@@ -104,7 +102,7 @@ impl RV34BitstreamDecoder for RealVideo30BR {
 
 struct RealVideo30Decoder {
     bd:         RealVideo30BR,
-    info:       Rc<NACodecInfo>,
+    info:       NACodecInfoRef,
     dec:        RV34Decoder,
 }
 
@@ -112,18 +110,18 @@ impl RealVideo30Decoder {
     fn new() -> Self {
         RealVideo30Decoder{
             bd:         RealVideo30BR::new(),
-            info:       Rc::new(DUMMY_CODEC_INFO),
+            info:       NACodecInfoRef::default(),
             dec:        RV34Decoder::new(true, Box::new(RV30DSP::new())),
         }
     }
 }
 
 impl NADecoder for RealVideo30Decoder {
-    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 fmt = formats::YUV420_FORMAT;
             let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, 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();
 
             let edata = info.get_extradata().unwrap();
             let src: &[u8] = &edata;
@@ -133,43 +131,59 @@ impl NADecoder for RealVideo30Decoder {
             if src.len() < num_rpr * 2 + 8 { return Err(DecoderError::ShortData); }
             self.bd.rpr_bits  = ((num_rpr >> 1) + 1) as u8;
             if self.bd.rpr_bits > 3 { self.bd.rpr_bits = 3; }
-            for i in 0..num_rpr+1 {
+            for i in 0..=num_rpr {
                 self.bd.widths.push ((src[6 + i * 2] as usize) << 2);
                 self.bd.heights.push((src[7 + i * 2] as usize) << 2);
             }
 
             self.bd.width  = vinfo.get_width();
             self.bd.height = vinfo.get_height();
+
+            supp.pool_u8.set_dec_bufs(3);
+            supp.pool_u8.prealloc_video(NAVideoInfo::new(self.bd.width, self.bd.height, false, fmt), 4)?;
+
             Ok(())
         } else {
 println!("???");
             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();
 
-        let (bufinfo, ftype, pts) = self.dec.parse_frame(src.as_slice(), &mut self.bd)?;
+        let (bufinfo, ftype, pts) = self.dec.parse_frame(supp, src.as_slice(), &mut self.bd)?;
 
         let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
         frm.set_keyframe(ftype == FrameType::I);
         frm.set_pts(Some(pts));
         frm.set_frame_type(ftype);//if ftype == FrameType::B { FrameType::Skip } else { ftype } );
-        Ok(Rc::new(RefCell::new(frm)))
+        Ok(frm.into_ref())
+    }
+    fn flush(&mut self) {
+        self.dec.flush();
     }
 }
 
-pub fn get_decoder() -> Box<NADecoder> {
+pub fn get_decoder() -> Box<dyn NADecoder + Send> {
     Box::new(RealVideo30Decoder::new())
 }
 
 #[cfg(test)]
 mod test {
-    use crate::test::dec_video::test_file_decoding;
+    use nihav_core::codecs::RegisteredDecoders;
+    use nihav_core::demuxers::RegisteredDemuxers;
+    use nihav_core::test::dec_video::*;
+    use crate::realmedia_register_all_codecs;
+    use crate::realmedia_register_all_demuxers;
     #[test]
     fn test_rv30() {
+        let mut dmx_reg = RegisteredDemuxers::new();
+        realmedia_register_all_demuxers(&mut dmx_reg);
+        let mut dec_reg = RegisteredDecoders::new();
+        realmedia_register_all_codecs(&mut dec_reg);
+
 //         test_file_decoding("realmedia", "assets/RV/rv30_chroma_drift.rm", Some(1000), true, false, /*None*/Some("rv30"));
-         test_file_decoding("realmedia", "assets/RV/rv30_weighted_mc.rm", Some(400), true, false, None/*Some("rv30")*/);
+        test_file_decoding("realmedia", "assets/RV/rv30_weighted_mc.rm", Some(400), true, false, None/*Some("rv30")*/, &dmx_reg, &dec_reg);
 //         test_file_decoding("realmedia", "assets/RV/simpsons-clip.rm", Some(1337)/*Some(6666)*/, true, false, /*None*/Some("rv30"));
 //panic!("end");
     }