X-Git-Url: https://git.nihav.org/?p=nihav.git;a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fdkadpcm.rs;h=399b4f79b006e923f60a9fdb1035c7cba7d63f44;hp=b662a747ab329fe4180bfc423a299a643087c3c4;hb=78fb6560c73965d834b215fb0b49505ae5443288;hpb=e64739f87a35f29be0bbbce366876180ba3eb57e

diff --git a/nihav-duck/src/codecs/dkadpcm.rs b/nihav-duck/src/codecs/dkadpcm.rs
index b662a74..399b4f7 100644
--- a/nihav-duck/src/codecs/dkadpcm.rs
+++ b/nihav-duck/src/codecs/dkadpcm.rs
@@ -1,35 +1,8 @@
 use nihav_core::codecs::*;
 use nihav_core::io::byteio::*;
+use nihav_codec_support::codecs::imaadpcm::*;
 use std::str::FromStr;
 
-const IMA_MAX_STEP: u8 = 88;
-struct IMAState {
-    predictor:  i32,
-    step:       usize,
-}
-
-impl IMAState {
-    fn new() -> Self {
-        Self {
-            predictor:  0,
-            step:       0,
-        }
-    }
-    fn reset(&mut self, predictor: i16, step: u8) {
-        self.predictor  = i32::from(predictor);
-        self.step       = step.min(IMA_MAX_STEP) as usize;
-    }
-    fn expand_sample(&mut self, nibble: u8) -> i16 {
-        let istep = (self.step as isize) + (IMA_STEPS[nibble as usize] as isize);
-        let sign = (nibble & 8) != 0;
-        let diff = (i32::from(2 * (nibble & 7) + 1) * IMA_STEP_TABLE[self.step]) >> 3;
-        let sample = if !sign { self.predictor + diff } else { self.predictor - diff };
-        self.predictor = sample.max(i32::from(std::i16::MIN)).min(i32::from(std::i16::MAX));
-        self.step = istep.max(0).min(IMA_MAX_STEP as isize) as usize;
-        self.predictor as i16
-    }
-}
-
 struct DuckADPCMDecoder {
     ainfo:      NAAudioInfo,
     chmap:      NAChannelMap,
@@ -167,6 +140,12 @@ impl NADecoder for DuckADPCMDecoder {
     }
 }
 
+impl NAOptionHandler for DuckADPCMDecoder {
+    fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
+    fn set_options(&mut self, _options: &[NAOption]) { }
+    fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
+}
+
 pub fn get_decoder_dk3() -> Box<dyn NADecoder + Send> {
     Box::new(DuckADPCMDecoder::new(true))
 }
@@ -179,15 +158,15 @@ pub fn get_decoder_dk4() -> Box<dyn NADecoder + Send> {
 mod test {
     use nihav_core::codecs::RegisteredDecoders;
     use nihav_core::demuxers::RegisteredDemuxers;
-    use nihav_core::test::dec_video::*;
-    use crate::duck_register_all_codecs;
+    use nihav_codec_support::test::dec_video::*;
+    use crate::duck_register_all_decoders;
     use nihav_commonfmt::generic_register_all_demuxers;
     #[test]
     fn test_dk3() {
         let mut dmx_reg = RegisteredDemuxers::new();
         generic_register_all_demuxers(&mut dmx_reg);
         let mut dec_reg = RegisteredDecoders::new();
-        duck_register_all_codecs(&mut dec_reg);
+        duck_register_all_decoders(&mut dec_reg);
 
         //let file = "assets/Duck/AVI-DUCK-dk3.duk";
         //test_decode_audio("avi", file, Some(100), None/*Some("dk3")*/, &dmx_reg, &dec_reg);
@@ -199,7 +178,7 @@ mod test {
         let mut dmx_reg = RegisteredDemuxers::new();
         generic_register_all_demuxers(&mut dmx_reg);
         let mut dec_reg = RegisteredDecoders::new();
-        duck_register_all_codecs(&mut dec_reg);
+        duck_register_all_decoders(&mut dec_reg);
 
 //        let file = "assets/Duck/virtuafighter2-opening1.avi";
 //        test_decode_audio("avi", file, Some(100), None/*Some("dk4")*/, &dmx_reg, &dec_reg);
@@ -207,22 +186,3 @@ mod test {
                       ExpectedTestResult::MD5([0x04e40d15, 0xf65b3427, 0x1dd5181f, 0xf321b56f]));
     }
 }
-
-const IMA_STEPS: [i8; 16] = [
-    -1, -1, -1, -1, 2, 4, 6, 8,
-    -1, -1, -1, -1, 2, 4, 6, 8
-];
-
-const IMA_STEP_TABLE: [i32; 89] = [
-        7,     8,     9,    10,    11,    12,    13,    14,
-       16,    17,    19,    21,    23,    25,    28,    31,
-       34,    37,    41,    45,    50,    55,    60,    66,
-       73,    80,    88,    97,   107,   118,   130,   143,
-      157,   173,   190,   209,   230,   253,   279,   307,
-      337,   371,   408,   449,   494,   544,   598,   658,
-      724,   796,   876,   963,  1060,  1166,  1282,  1411,
-     1552,  1707,  1878,  2066,  2272,  2499,  2749,  3024,
-     3327,  3660,  4026,  4428,  4871,  5358,  5894,  6484,
-     7132,  7845,  8630,  9493, 10442, 11487, 12635, 13899,
-    15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
-];