X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fdkadpcm.rs;h=712a864bc24d7ae2dcaadbc0696ef75b060a2cc6;hb=5580b11b0e9daf065c81a8b354295c6d5d1dd3dd;hp=041095733181831492ed6f663deb5e04f6c1cb3a;hpb=1a967e6bad5f17943b4de0607078eb940ad5adfe;p=nihav.git diff --git a/nihav-duck/src/codecs/dkadpcm.rs b/nihav-duck/src/codecs/dkadpcm.rs index 0410957..712a864 100644 --- a/nihav-duck/src/codecs/dkadpcm.rs +++ b/nihav-duck/src/codecs/dkadpcm.rs @@ -16,15 +16,15 @@ impl IMAState { } } fn reset(&mut self, predictor: i16, step: u8) { - self.predictor = predictor as i32; + 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 = (((2 * (nibble & 7) + 1) as i32) * IMA_STEP_TABLE[self.step]) >> 3; + 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(std::i16::MIN as i32).min(std::i16::MAX as i32); + 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 } @@ -51,7 +51,7 @@ impl DuckADPCMDecoder { } impl NADecoder for DuckADPCMDecoder { - fn init(&mut self, info: Rc) -> DecoderResult<()> { + fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() { validate!(ainfo.get_block_len() > 16); self.block_len = ainfo.get_block_len(); @@ -69,7 +69,7 @@ impl NADecoder for DuckADPCMDecoder { Err(DecoderError::InvalidData) } } - fn decode(&mut self, pkt: &NAPacket) -> DecoderResult { + fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult { let info = pkt.get_stream().get_info(); if let NACodecTypeInfo::Audio(_) = info.get_properties() { let pktbuf = pkt.get_buffer(); @@ -100,7 +100,7 @@ impl NADecoder for DuckADPCMDecoder { self.ch_state[0].reset(sumpred, sumstep); self.ch_state[1].reset(diffpred, diffstep); let mut last_nib = 0; - let mut diff_val: i32 = diffpred as i32; + let mut diff_val: i32 = i32::from(diffpred); for x in (0..out_block_len).step_by(2) { let nib0; let nib1; @@ -118,9 +118,9 @@ impl NADecoder for DuckADPCMDecoder { nib1 = b0 & 0xF; nib2 = b0 >> 4; } - let sum0 = self.ch_state[0].expand_sample(nib0) as i32; - let diff = self.ch_state[1].expand_sample(nib1) as i32; - let sum1 = self.ch_state[0].expand_sample(nib2) as i32; + let sum0 = i32::from(self.ch_state[0].expand_sample(nib0)); + let diff = i32::from(self.ch_state[1].expand_sample(nib1)); + let sum1 = i32::from(self.ch_state[0].expand_sample(nib2)); diff_val = (diff_val + diff) >> 1; dst[off0 + x + 0] = (sum0 + diff_val) as i16; dst[off1 + x + 0] = (sum0 - diff_val) as i16; @@ -158,18 +158,20 @@ impl NADecoder for DuckADPCMDecoder { let mut frm = NAFrame::new_from_pkt(pkt, info, abuf); frm.set_duration(Some(duration 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_dk3() -> Box { +pub fn get_decoder_dk3() -> Box { Box::new(DuckADPCMDecoder::new(true)) } -pub fn get_decoder_dk4() -> Box { +pub fn get_decoder_dk4() -> Box { Box::new(DuckADPCMDecoder::new(false)) } @@ -188,7 +190,7 @@ mod test { duck_register_all_codecs(&mut dec_reg); let file = "assets/Duck/AVI-DUCK-dk3.duk"; - test_decode_audio("avi", file, Some(100), "dk3", &dmx_reg, &dec_reg); + test_decode_audio("avi", file, Some(100), None/*Some("dk3")*/, &dmx_reg, &dec_reg); } #[test] fn test_dk4() { @@ -198,7 +200,7 @@ mod test { duck_register_all_codecs(&mut dec_reg); let file = "assets/Duck/virtuafighter2-opening1.avi"; - test_decode_audio("avi", file, Some(100), "dk4", &dmx_reg, &dec_reg); + test_decode_audio("avi", file, Some(100), None/*Some("dk4")*/, &dmx_reg, &dec_reg); } }