From 37d2275ee8efd4dea7be5dcf06f25ba622e7142e Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Wed, 5 Sep 2018 15:47:24 +0200 Subject: [PATCH] RealAudio 14.4 and 28.8 decoders --- Cargo.toml | 4 +- src/codecs/mod.rs | 6 +- src/codecs/real/mod.rs | 4 + src/codecs/real/ra144.rs | 2305 ++++++++++++++++++++++++++++++++++++++ src/codecs/real/ra288.rs | 330 ++++++ 5 files changed, 2647 insertions(+), 2 deletions(-) create mode 100644 src/codecs/real/ra144.rs create mode 100644 src/codecs/real/ra288.rs diff --git a/Cargo.toml b/Cargo.toml index 4dfbcca..efaa567 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -34,6 +34,8 @@ decoder_realvideo2 = ["h263", "decoders"] decoder_realvideo3 = ["decoders"] decoder_realvideo4 = ["decoders"] -all_audio_decoders = ["decoder_pcm", "decoder_imc"] +all_audio_decoders = ["decoder_pcm", "decoder_imc", "decoder_realaudio144", "decoder_realaudio288"] decoder_pcm = ["decoders"] decoder_imc = ["decoders", "fft", "dsp_window"] +decoder_realaudio144 = [] +decoder_realaudio288 = [] \ No newline at end of file diff --git a/src/codecs/mod.rs b/src/codecs/mod.rs index 185bb3d..61f4c21 100644 --- a/src/codecs/mod.rs +++ b/src/codecs/mod.rs @@ -246,7 +246,7 @@ mod gremlinvideo; mod indeo; #[cfg(feature="h263")] mod h263; -#[cfg(any(feature="decoder_realvideo3", feature="decoder_realvideo4", feature="decoder_realvideo6"))] +#[cfg(any(feature="decoder_realvideo3", feature="decoder_realvideo4", feature="decoder_realvideo6", feature="decoder_realaudio144", feature="decoder_realaudio288"))] mod real; #[cfg(feature="decoder_pcm")] @@ -286,6 +286,10 @@ const DECODERS: &[DecoderInfo] = &[ DecoderInfo { name: "imc", get_decoder: indeo::imc::get_decoder_imc }, #[cfg(feature="decoder_imc")] DecoderInfo { name: "iac", get_decoder: indeo::imc::get_decoder_iac }, +#[cfg(feature="decoder_realaudio144")] + DecoderInfo { name: "ra14.4", get_decoder: real::ra144::get_decoder }, +#[cfg(feature="decoder_realaudio288")] + DecoderInfo { name: "ra28.8", get_decoder: real::ra288::get_decoder }, ]; pub fn find_decoder(name: &str) -> Option Box> { diff --git a/src/codecs/real/mod.rs b/src/codecs/real/mod.rs index 546d6b6..5681377 100644 --- a/src/codecs/real/mod.rs +++ b/src/codecs/real/mod.rs @@ -16,4 +16,8 @@ pub mod rv40dsp; #[cfg(feature="decoder_realvideo6")] pub mod rv60; +#[cfg(feature="decoder_realaudio144")] +pub mod ra144; +#[cfg(feature="decoder_realaudio288")] +pub mod ra288; diff --git a/src/codecs/real/ra144.rs b/src/codecs/real/ra144.rs new file mode 100644 index 0000000..02ae9b2 --- /dev/null +++ b/src/codecs/real/ra144.rs @@ -0,0 +1,2305 @@ +use formats::*; +use frame::*; +use super::super::*; +use io::bitreader::*; + +const NBLOCKS: usize = 4; +const BLOCKSIZE: usize = 40; +const LPC_ORDER: usize = 10; +const BUFFERSIZE: usize = 146; +const FRAME_SIZE: usize = 20; + +struct RA144Decoder { + chmap: NAChannelMap, + ainfo: NAAudioInfo, + info: Rc, + + old_energy: u16, + lpc_data: [[i32; LPC_ORDER]; 2], + frame_no: usize, + lpc_refl_rms: [u32; 2], + audio: [i16; BLOCKSIZE + LPC_ORDER], + adapt_cb: [i16; BUFFERSIZE + 2], +} + +impl RA144Decoder { + fn new() -> Self { + RA144Decoder { + chmap: NAChannelMap::new(), + ainfo: NAAudioInfo::new(0, 1, SND_F32P_FORMAT, NBLOCKS * BLOCKSIZE), + info: NACodecInfo::new_dummy(), + + old_energy: 0, + lpc_data: [[0; 10]; 2], + frame_no: 0, + lpc_refl_rms: [0; 2], + audio: [0; BLOCKSIZE + LPC_ORDER], + adapt_cb: [0; BUFFERSIZE + 2], + } + } + + fn evaluate_coeffs(&mut self, lpc_refl: &[i32; LPC_ORDER]) { + let mut tmp: [i32; LPC_ORDER] = [0; LPC_ORDER]; + + for i in 0..LPC_ORDER { + let src; + let dst; + if (i & 1) == 0 { + src = &self.lpc_data[self.frame_no]; + dst = &mut tmp; + } else { + src = &tmp; + dst = &mut self.lpc_data[self.frame_no]; + } + dst[i] = lpc_refl[i] << 4; + + for j in 0..i { + dst[j] = ((lpc_refl[i] * src[i - j - 1]) >> 12) + src[j]; + } + } + for i in 0..LPC_ORDER { + self.lpc_data[self.frame_no][i] >>= 4; + } + } + fn interpolate(&mut self, coeffs: &mut [i16; LPC_ORDER], scale1: i32, copyold: bool, energy: u16) -> u32 { + let scale2 = (NBLOCKS as i32) - scale1; + { + let src1 = &self.lpc_data[self.frame_no]; + let src2 = &self.lpc_data[self.frame_no ^ 1]; + for i in 0..LPC_ORDER { + coeffs[i] = ((scale1 * src1[i] + scale2 * src2[i]) >> 2) as i16; + } + } + if let Some(rms) = eval_reflection(coeffs) { + rescale_rms(rms, energy) + } else { + let src = if copyold { &self.lpc_data[self.frame_no ^ 1] } else { &self.lpc_data[self.frame_no] }; + for i in 0..LPC_ORDER { + coeffs[i] = src[i] as i16; + } + rescale_rms(self.lpc_refl_rms[if copyold { 1 } else { 0 }], energy) + } + } + fn process_subblock(&mut self, br: &mut BitReader, lpc_coeffs: &[i16; LPC_ORDER], rms: u32) -> DecoderResult<()> { + let cba_idx = br.read(7)? as usize; + let gain = br.read(8)? as usize; + let cb1_idx = br.read(7)? as usize; + let cb2_idx = br.read(7)? as usize; + + let mut tmp_a: [i16; BLOCKSIZE] = [0; BLOCKSIZE]; + let mut m: [u32; 3] = [0; 3]; + if cba_idx != 0 { + let len = cba_idx + BLOCKSIZE/2 - 1; + let soff = BUFFERSIZE - len; + for i in 0..len.min(BLOCKSIZE) { + tmp_a[i] = self.adapt_cb[i + soff]; + } + for i in len..BLOCKSIZE { + tmp_a[i] = self.adapt_cb[i + soff - len]; + } + m[0] = (calc_irms(&tmp_a) * rms) >> 12; + } else { + m[0] = 0; + } + m[1] = ((RA144_CODEBOOK1[cb1_idx] as u32) * rms) >> 8; + m[2] = ((RA144_CODEBOOK2[cb2_idx] as u32) * rms) >> 8; + for i in 0..3 { + m[i] = (m[i] * (RA144_GAIN_VAL_TAB[gain][i] as u32)) >> RA144_GAIN_EXP_TAB[gain]; + } + + for i in 0..(BUFFERSIZE - BLOCKSIZE) { + self.adapt_cb[i] = self.adapt_cb[i + BLOCKSIZE]; + } + + let doff = BUFFERSIZE - BLOCKSIZE; + if m[0] != 0 { + for i in 0..BLOCKSIZE { + let sum = (m[0] as i32) * (tmp_a[i] as i32) + + (m[1] as i32) * (RA144_VECTORS1[cb1_idx][i] as i32) + + (m[2] as i32) * (RA144_VECTORS2[cb2_idx][i] as i32); + self.adapt_cb[i + doff] = (sum >> 12) as i16; + } + } else { + for i in 0..BLOCKSIZE { + let sum = (m[1] as i32) * (RA144_VECTORS1[cb1_idx][i] as i32) + + (m[2] as i32) * (RA144_VECTORS2[cb2_idx][i] as i32); + self.adapt_cb[i + doff] = (sum >> 12) as i16; + } + } + + for i in 0..LPC_ORDER { + self.audio[i] = self.audio[i + BLOCKSIZE]; + } + if celp_synth_filter(&mut self.audio, &self.adapt_cb, lpc_coeffs) { + self.audio = [0; BLOCKSIZE + LPC_ORDER]; + } + Ok(()) + } +} + +const CHMAP_MONO: [NAChannelType; 1] = [NAChannelType::C]; + +fn celp_synth_filter(dst: &mut [i16], src: &[i16], filt: &[i16; LPC_ORDER]) -> bool { //1,0,0xfff + for i in 0..BLOCKSIZE { + let mut sum = -0xFFF; + for j in 0..LPC_ORDER { + sum += (filt[j] as i32) * (dst[LPC_ORDER + i - j - 1] as i32); + } + let sum1 = (-sum >> 12) + (src[BUFFERSIZE - BLOCKSIZE + i] as i32); + if ((sum1 >> 16) != 0) && ((sum1 >> 16) != -1) { // overflow + return true; + } + dst[LPC_ORDER + i] = sum1 as i16; + } + false +} + +fn fixp_sqrt(mut val: u32) -> u32 { + let mut shift = 2; + while val >= (1 << 12) { + val >>= 2; + shift += 1; + } + (SQRT_TABLE[val as usize] as u32) << shift +} + +fn calc_rms(coeffs: &[i32; LPC_ORDER]) -> u32 { + let mut res = 1 << 16; + let mut shift = 10; + + for i in 0..LPC_ORDER { + res = ((((1 << 24) - ((coeffs[i] * coeffs[i]) as u32)) >> 12) * res) >> 12; + if res == 0 { return 0; } + while res < (1 << 14) { + res <<= 2; + shift += 1; + } + } + fixp_sqrt(res) >> shift +} + +fn calc_irms(coeffs: &[i16; BLOCKSIZE]) -> u32 { + let mut sum = 0; + for i in 0..BLOCKSIZE { + sum += ((coeffs[i] as i32) * (coeffs[i] as i32)) as u32; + } + if sum != 0 { + (1 << 29) / (fixp_sqrt(sum) >> 8) + } else { + 0 + } +} + +fn rescale_rms(rms: u32, energy: u16) -> u32 { + (rms * (energy as u32)) >> 10 +} + +fn eval_reflection(coeffs: &[i16; LPC_ORDER]) -> Option { + let mut tmp1: [i32; LPC_ORDER] = [0; LPC_ORDER]; + let mut tmp2: [i32; LPC_ORDER] = [0; LPC_ORDER]; + let mut tmp3: [i32; LPC_ORDER] = [0; LPC_ORDER]; + + for i in 0..LPC_ORDER { + tmp2[i] = coeffs[i] as i32; + } + tmp3[LPC_ORDER - 1] = tmp2[LPC_ORDER - 1]; + + if (tmp2[LPC_ORDER - 1] as u32).wrapping_add(0x1000) > 0x1FFF { + return None; + } + + for i in (0..(LPC_ORDER - 1)).rev() { + let src; + let dst; + if (i & 1) == 0 { + src = &tmp2; + dst = &mut tmp1; + } else { + src = &tmp1; + dst = &mut tmp2; + } + let a = (1 << 12) - ((src[i + 1] * src[i + 1]) >> 12); + let scale = if a != 0 { (1 << 24) / a } else { (1 << 24) }; + for j in 0..(i+1) { + let result = (src[j] - ((tmp3[i + 1] * src[i - j]) >> 12)).checked_mul(scale); + if let Some(val) = result { + dst[j] = val >> 12; + } else { + return None; + } + } + if (dst[i] as u32).wrapping_add(0x1000) > 0x1FFF { + return None; + } + tmp3[i] = dst[i]; + } + + Some(calc_rms(&tmp3)) +} + +fn clip_out(sample: i16) -> i16 { + sample.max(-16384 >> 2).min(16383 >> 2) +} + +impl NADecoder for RA144Decoder { + fn init(&mut self, info: Rc) -> DecoderResult<()> { + if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() { + self.chmap.add_channels(&CHMAP_MONO); + self.ainfo = NAAudioInfo::new(ainfo.get_sample_rate(), + 1, + SND_S16_FORMAT, NBLOCKS * BLOCKSIZE); + self.info = info.replace_info(NACodecTypeInfo::Audio(self.ainfo.clone())); + Ok(()) + } else { + Err(DecoderError::InvalidData) + } + } + fn decode(&mut self, pkt: &NAPacket) -> DecoderResult { + let info = pkt.get_stream().get_info(); + validate!(info.get_properties().is_audio()); + let pktbuf = pkt.get_buffer(); + let nframes = pktbuf.len() / FRAME_SIZE; + + let duration = NBLOCKS * BLOCKSIZE * nframes; + + let mut abuf = alloc_audio_buffer(self.ainfo, duration, self.chmap.clone())?; + let mut adata = abuf.get_abuf_i16().unwrap(); + let mut dst = adata.get_data_mut(); + + for (input, output) in pktbuf.chunks(FRAME_SIZE).zip(dst.chunks_mut(NBLOCKS * BLOCKSIZE)) { + let mut br = BitReader::new(input, input.len(), BitReaderMode::BE); + + let mut lpc_refl: [i32; LPC_ORDER] = [0; LPC_ORDER]; + for i in 0..LPC_ORDER { + lpc_refl[i] = RA144_LPC_REFL_CODEBOOK[i][br.read(RA144_LPC_SIZES[i])? as usize] as i32; + } + + self.evaluate_coeffs(&lpc_refl); + self.lpc_refl_rms[0] = calc_rms(&lpc_refl); + + let energy = RA144_ENERGY_TAB[br.read(5)? as usize]; + + let mut block_coeffs: [[i16; LPC_ORDER]; NBLOCKS] = [[0; LPC_ORDER]; NBLOCKS]; + let mut refl_rms: [u32; NBLOCKS] = [0; NBLOCKS]; + + let old_energy = self.old_energy; + let interp_energy = (fixp_sqrt((energy as u32) * (old_energy as u32)) >> 12) as u16; + refl_rms[0] = self.interpolate(&mut block_coeffs[0], 1, true, old_energy); + refl_rms[1] = self.interpolate(&mut block_coeffs[1], 2, energy <= old_energy, interp_energy); + refl_rms[2] = self.interpolate(&mut block_coeffs[2], 3, false, energy); + refl_rms[3] = rescale_rms(self.lpc_refl_rms[0], energy); + for i in 0..LPC_ORDER { block_coeffs[3][i] = self.lpc_data[self.frame_no][i] as i16; } + + for (i, block) in output.chunks_mut(BLOCKSIZE).enumerate() { + + self.process_subblock(&mut br, &block_coeffs[i], refl_rms[i])?; + for j in 0..BLOCKSIZE { + block[j] = clip_out(self.audio[j + LPC_ORDER]) << 2; + } + } + + self.old_energy = energy; + self.lpc_refl_rms[1] = self.lpc_refl_rms[0]; + self.frame_no ^= 1; + } + + let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), abuf); + frm.set_keyframe(true); + Ok(Rc::new(RefCell::new(frm))) + } +} + +pub fn get_decoder() -> Box { + Box::new(RA144Decoder::new()) +} + +#[cfg(test)] +mod test { + use test::dec_video::*; + #[test] + fn test_ra144() { + let file = "assets/RV/ra3_in_rm_file.rm"; + test_decode_audio("realaudio", file, None, "realaudio144"); + } +} + +const RA144_LPC_SIZES: [u8; LPC_ORDER] = [ 6, 5, 5, 4, 4, 3, 3, 3, 3, 2 ]; +const RA144_LPC_REFL_CODEBOOK: [&[i16]; LPC_ORDER] = [ + LPC_REFL_CB0, LPC_REFL_CB1, LPC_REFL_CB2, LPC_REFL_CB3, LPC_REFL_CB4, + LPC_REFL_CB5, LPC_REFL_CB6, LPC_REFL_CB7, LPC_REFL_CB8, LPC_REFL_CB9, +]; +const LPC_REFL_CB0: &[i16; 64] = &[ + -4041, -4018, -3998, -3977, -3954, -3930, -3906, -3879, + -3852, -3825, -3795, -3764, -3731, -3699, -3666, -3631, + -3594, -3555, -3513, -3468, -3420, -3372, -3321, -3268, + -3212, -3153, -3090, -3021, -2944, -2863, -2772, -2676, + -2565, -2445, -2328, -2202, -2072, -1941, -1808, -1660, + -1508, -1348, -1185, -994, -798, -600, -374, -110, + 152, 447, 720, 982, 1229, 1456, 1682, 1916, + 2130, 2353, 2595, 2853, 3118, 3363, 3588, 3814 +]; +const LPC_REFL_CB1: &[i16; 32] = &[ + -3091, -2386, -1871, -1425, -1021, -649, -316, -20, + 267, 544, 810, 1065, 1305, 1534, 1756, 1970, + 2171, 2359, 2536, 2700, 2854, 2996, 3133, 3263, + 3386, 3499, 3603, 3701, 3789, 3870, 3947, 4020 +]; +const LPC_REFL_CB2: &[i16; 32] = &[ + -3525, -3295, -3081, -2890, -2696, -2511, -2328, -2149, + -1979, -1817, -1658, -1498, -1341, -1188, -1032, -876, + -721, -561, -394, -228, -54, 119, 296, 484, + 683, 895, 1123, 1373, 1651, 1965, 2360, 2854 +]; +const LPC_REFL_CB3: &[i16; 16] = &[ + -1845, -1057, -522, -77, 301, 647, 975, 1285, + 1582, 1873, 2163, 2452, 2735, 3017, 3299, 3569 +]; +const LPC_REFL_CB4: &[i16; 16] = &[ + -2691, -2187, -1788, -1435, -1118, -837, -571, -316, + -59, 201, 470, 759, 1077, 1457, 1908, 2495 +]; +const LPC_REFL_CB5: &[i16; 8] = &[ + -1372, -474, 133, 632, 1100, 1571, 2075, 2672 +]; +const LPC_REFL_CB6: &[i16; 8] = &[ + -2389, -1787, -1231, -717, -239, 234, 770, 1474 +]; +const LPC_REFL_CB7: &[i16; 8] = &[ + -1569, -864, -296, 200, 670, 1151, 1709, 2385 +]; +const LPC_REFL_CB8: &[i16; 8] = &[ + -2200, -1608, -1062, -569, -120, 338, 863, 1621 +]; +const LPC_REFL_CB9: &[i16; 4] = &[ + -617, 190, 802, 1483 +]; + +const RA144_ENERGY_TAB: [u16; 32] = [ + 0, 16, 20, 25, 32, 41, 51, 65, + 81, 103, 129, 163, 205, 259, 326, 410, + 516, 650, 819, 1031, 1298, 1634, 2057, 2590, + 3261, 4105, 5168, 6507, 8192, 10313, 12983, 16345 +]; + +const SQRT_TABLE: [u16; 4096] = [ +0x0000,0x0400,0x05a8,0x06ed,0x0800,0x08f1,0x09cc,0x0a95, +0x0b50,0x0c00,0x0ca6,0x0d44,0x0ddb,0x0e6c,0x0ef7,0x0f7d, +0x1000,0x107e,0x10f8,0x116f,0x11e3,0x1254,0x12c2,0x132e, +0x1398,0x1400,0x1465,0x14c8,0x152a,0x158a,0x15e8,0x1645, 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+0xf7de,0xf7e7,0xf7ef,0xf7f7,0xf800,0xf808,0xf810,0xf818, +0xf821,0xf829,0xf831,0xf839,0xf842,0xf84a,0xf852,0xf85a, +0xf863,0xf86b,0xf873,0xf87b,0xf883,0xf88c,0xf894,0xf89c, +0xf8a4,0xf8ad,0xf8b5,0xf8bd,0xf8c5,0xf8ce,0xf8d6,0xf8de, +0xf8e6,0xf8ef,0xf8f7,0xf8ff,0xf907,0xf90f,0xf918,0xf920, +0xf928,0xf930,0xf939,0xf941,0xf949,0xf951,0xf959,0xf962, +0xf96a,0xf972,0xf97a,0xf982,0xf98b,0xf993,0xf99b,0xf9a3, +0xf9ab,0xf9b4,0xf9bc,0xf9c4,0xf9cc,0xf9d4,0xf9dd,0xf9e5, +0xf9ed,0xf9f5,0xf9fd,0xfa06,0xfa0e,0xfa16,0xfa1e,0xfa26, +0xfa2f,0xfa37,0xfa3f,0xfa47,0xfa4f,0xfa58,0xfa60,0xfa68, +0xfa70,0xfa78,0xfa80,0xfa89,0xfa91,0xfa99,0xfaa1,0xfaa9, +0xfab1,0xfaba,0xfac2,0xfaca,0xfad2,0xfada,0xfae2,0xfaeb, +0xfaf3,0xfafb,0xfb03,0xfb0b,0xfb13,0xfb1c,0xfb24,0xfb2c, +0xfb34,0xfb3c,0xfb44,0xfb4c,0xfb55,0xfb5d,0xfb65,0xfb6d, +0xfb75,0xfb7d,0xfb85,0xfb8e,0xfb96,0xfb9e,0xfba6,0xfbae, +0xfbb6,0xfbbe,0xfbc7,0xfbcf,0xfbd7,0xfbdf,0xfbe7,0xfbef, +0xfbf7,0xfc00,0xfc08,0xfc10,0xfc18,0xfc20,0xfc28,0xfc30, +0xfc38,0xfc40,0xfc49,0xfc51,0xfc59,0xfc61,0xfc69,0xfc71, +0xfc79,0xfc81,0xfc8a,0xfc92,0xfc9a,0xfca2,0xfcaa,0xfcb2, +0xfcba,0xfcc2,0xfcca,0xfcd2,0xfcdb,0xfce3,0xfceb,0xfcf3, +0xfcfb,0xfd03,0xfd0b,0xfd13,0xfd1b,0xfd23,0xfd2c,0xfd34, +0xfd3c,0xfd44,0xfd4c,0xfd54,0xfd5c,0xfd64,0xfd6c,0xfd74, +0xfd7c,0xfd84,0xfd8d,0xfd95,0xfd9d,0xfda5,0xfdad,0xfdb5, +0xfdbd,0xfdc5,0xfdcd,0xfdd5,0xfddd,0xfde5,0xfded,0xfdf5, +0xfdfd,0xfe06,0xfe0e,0xfe16,0xfe1e,0xfe26,0xfe2e,0xfe36, +0xfe3e,0xfe46,0xfe4e,0xfe56,0xfe5e,0xfe66,0xfe6e,0xfe76, +0xfe7e,0xfe86,0xfe8e,0xfe97,0xfe9f,0xfea7,0xfeaf,0xfeb7, +0xfebf,0xfec7,0xfecf,0xfed7,0xfedf,0xfee7,0xfeef,0xfef7, +0xfeff,0xff07,0xff0f,0xff17,0xff1f,0xff27,0xff2f,0xff37, +0xff3f,0xff47,0xff4f,0xff57,0xff5f,0xff67,0xff6f,0xff77, +0xff7f,0xff87,0xff8f,0xff97,0xff9f,0xffa7,0xffaf,0xffb7, +0xffbf,0xffc7,0xffcf,0xffd7,0xffdf,0xffe7,0xffef,0xfff7 +]; + +const RA144_CODEBOOK1: [u16; 128] = [ + 19657, 18474, 18365, 17520, 21048, 18231, 18584, 16671, + 20363, 19069, 19409, 18430, 21844, 18753, 19613, 17411, + 20389, 21772, 20129, 21702, 20978, 20472, 19627, 19387, + 21477, 23134, 21841, 23919, 22089, 21519, 21134, 20852, + 19675, 17821, 19044, 17477, 19986, 16955, 18446, 16086, + 21138, 18899, 20952, 18929, 21452, 17833, 20104, 17159, + 19770, 20056, 20336, 20866, 19329, 18217, 18908, 18004, + 21556, 21948, 23079, 23889, 20922, 19544, 20984, 19781, + 19781, 20984, 19544, 20922, 23889, 23079, 21948, 21556, + 18004, 18908, 18217, 19329, 20866, 20336, 20056, 19770, + 17159, 20104, 17833, 21452, 18929, 20952, 18899, 21138, + 16086, 18446, 16955, 19986, 17477, 19044, 17821, 19675, + 20852, 21134, 21519, 22089, 23919, 21841, 23134, 21477, + 19387, 19627, 20472, 20978, 21702, 20129, 21772, 20389, + 17411, 19613, 18753, 21844, 18430, 19409, 19069, 20363, + 16671, 18584, 18231, 21048, 17520, 18365, 18474, 19657, +]; +const RA144_VECTORS1: [[i8; BLOCKSIZE]; 128] = [ + [ + 38, -4, 15, -4, 14, -13, 12, -11, -2, -6, + -6, -11, -45, -16, -11, -13, -7, 6, -12, 4, + -20, 3, -16, 12, -1, 12, 46, 24, 0, 33, + -3, 9, -12, -12, -8, -7, 17, -6, 0, -2, + ], [ + 60, -16, 3, -22, 10, -32, 0, -28, -17, -18, + -3, -25, -37, -23, -10, 3, 2, 3, 0, 3, + -14, 0, -14, -1, 0, 2, 32, 9, -1, 25, + 7, 13, -5, 13, 8, 1, 2, 8, -10, 6, + ], [ + 27, -12, 28, -2, 6, -7, 15, 9, -11, 1, + -13, -11, -40, 4, -29, -14, -19, -5, -23, -8, + -30, -13, -17, 0, -14, 12, 34, 20, -2, 25, + 2, -16, -4, -12, 15, 16, 29, 7, 24, 10, + ], [ + 49, -24, 16, -20, 2, -26, 2, -7, -25, -10, + -11, -25, -32, -3, -27, 2, -8, -8, -11, -9, + -24, -17, -16, -14, -13, 2, 20, 5, -4, 17, + 14, -12, 3, 13, 33, 25, 14, 23, 15, 19, + ], [ + 46, -6, 21, 8, -2, -16, -5, -8, -11, 4, + 8, 15, -24, 4, -2, -26, -3, -16, -16, -14, + -9, -2, -1, 4, 19, 7, 36, 17, 9, 13, + 0, 31, -5, -12, 7, -8, 11, -15, -13, -4, + ], [ + 68, -18, 9, -9, -6, -35, -18, -25, -26, -7, + 10, 1, -16, -3, -1, -9, 6, -19, -4, -15, + -4, -6, 0, -8, 20, -2, 23, 2, 7, 5, + 12, 35, 1, 13, 24, 0, -3, 0, -22, 4, + ], [ + 35, -14, 34, 10, -10, -10, -1, 12, -20, 12, + 0, 15, -18, 24, -20, -27, -14, -28, -27, -27, + -20, -19, -2, -8, 5, 7, 25, 13, 5, 5, + 6, 5, 2, -12, 31, 15, 23, -1, 12, 8, + ], [ + 57, -26, 22, -7, -14, -28, -14, -3, -35, 0, + 3, 1, -11, 16, -18, -10, -4, -31, -15, -28, + -14, -23, -1, -21, 7, -2, 11, -1, 3, -1, + 18, 9, 10, 13, 49, 24, 8, 14, 2, 16, + ], [ + 25, 15, 22, 11, 18, 4, 15, -22, 8, -2, + -17, -9, -48, -20, -30, -17, -16, 11, -1, 16, + 2, 10, -5, 26, -2, -4, 22, 0, 2, 10, + -6, 13, -14, 10, -23, 0, 10, -2, 1, 0, + ], [ + 47, 3, 11, -6, 15, -13, 2, -38, -6, -13, + -15, -22, -40, -28, -28, 0, -5, 8, 10, 15, + 7, 7, -4, 13, -1, -14, 9, -14, 0, 2, + 4, 18, -7, 36, -6, 8, -3, 13, -7, 8, + ], [ + 14, 7, 36, 13, 10, 10, 18, 0, 0, 5, + -25, -8, -43, 0, -48, -18, -27, 0, -12, 3, + -7, -6, -7, 13, -15, -5, 11, -3, 0, 2, + 0, -12, -6, 10, 0, 23, 22, 11, 26, 12, + ], [ + 36, -5, 24, -4, 7, -7, 6, -17, -14, -5, + -22, -22, -35, -8, -46, -1, -17, -3, 0, 2, + -2, -10, -5, 0, -14, -15, -2, -18, -2, -4, + 11, -7, 1, 36, 18, 32, 7, 27, 17, 20, + ], [ + 33, 13, 29, 24, 1, 1, -2, -18, 0, 9, + -3, 17, -27, 0, -21, -30, -12, -11, -5, -2, + 12, 4, 9, 19, 18, -9, 13, -6, 11, -8, + -2, 35, -8, 10, -7, -1, 4, -11, -10, -2, + ], [ + 55, 1, 17, 6, -1, -16, -15, -35, -15, -2, + 0, 4, -19, -8, -20, -13, -1, -14, 7, -3, + 18, 0, 10, 5, 19, -19, 0, -21, 8, -16, + 9, 39, 0, 36, 10, 7, -9, 4, -20, 5, + ], [ + 22, 5, 42, 26, -6, 8, 1, 2, -9, 17, + -10, 18, -21, 19, -39, -31, -23, -23, -16, -15, + 2, -12, 7, 6, 5, -9, 1, -10, 7, -16, + 4, 9, 0, 10, 17, 22, 16, 2, 14, 9, + ], [ + 44, -6, 30, 8, -9, -10, -11, -14, -23, 5, + -8, 4, -14, 12, -37, -14, -12, -26, -4, -16, + 8, -16, 9, -7, 6, -19, -12, -25, 5, -24, + 15, 13, 8, 36, 34, 31, 1, 18, 4, 18, + ], [ + -3, -5, -9, -7, 15, -1, 5, 13, 2, 12, + 5, 2, -21, -23, -2, -16, 0, 5, -6, 13, + -23, 3, -32, 10, -15, 8, 44, 28, 9, 37, + -2, 13, -9, -15, -12, -27, -7, -12, 0, -11, + ], [ + 18, -17, -21, -25, 11, -19, -6, -3, -11, 0, + 7, -11, -13, -31, -1, 0, 9, 1, 5, 12, + -18, 0, -31, -2, -13, -1, 30, 14, 7, 29, + 9, 18, -1, 10, 4, -18, -22, 3, -10, -2, + ], [ + -13, -13, 3, -5, 7, 4, 9, 34, -5, 20, + -2, 3, -16, -3, -20, -17, -11, -7, -17, 0, + -34, -13, -33, -2, -28, 8, 32, 24, 5, 29, + 3, -12, 0, -15, 11, -3, 3, 2, 24, 1, + ], [ + 8, -25, -8, -23, 3, -13, -3, 17, -20, 8, + 0, -10, -8, -11, -18, 0, -1, -10, -5, 0, + -28, -17, -32, -15, -26, -1, 19, 9, 3, 21, + 15, -7, 6, 9, 29, 5, -10, 17, 15, 9, + ], [ + 4, -6, -3, 5, -1, -4, -11, 16, -6, 23, + 19, 29, 0, -3, 6, -30, 3, -17, -10, -5, + -13, -2, -17, 3, 5, 3, 35, 21, 17, 17, + 2, 35, -2, -15, 3, -28, -13, -21, -13, -13, + ], [ + 26, -19, -15, -12, -5, -22, -24, 0, -21, 12, + 21, 15, 8, -11, 7, -12, 14, -20, 2, -6, + -7, -6, -16, -9, 6, -5, 21, 7, 15, 10, + 13, 39, 5, 10, 20, -19, -28, -5, -22, -5, + ], [ + -5, -15, 9, 7, -9, 2, -8, 37, -14, 31, + 11, 29, 5, 16, -11, -30, -7, -29, -21, -18, + -23, -19, -18, -9, -7, 3, 23, 17, 14, 9, + 8, 9, 6, -15, 27, -4, -2, -6, 12, -1, + ], [ + 16, -27, -2, -10, -13, -16, -20, 20, -29, 20, + 14, 16, 13, 8, -9, -13, 2, -33, -9, -19, + -17, -23, -17, -22, -6, -6, 9, 2, 12, 2, + 20, 13, 13, 10, 45, 4, -16, 8, 2, 7, + ], [ + -16, 14, -2, 8, 20, 17, 9, 2, 14, 16, + -6, 5, -24, -28, -21, -20, -8, 9, 4, 25, + -1, 11, -22, 24, -15, -8, 21, 5, 11, 14, + -5, 18, -11, 7, -27, -20, -14, -7, 1, -9, + ], [ + 6, 2, -14, -9, 16, -1, -3, -14, 0, 5, + -3, -8, -16, -36, -19, -3, 1, 6, 17, 24, + 4, 7, -21, 11, -14, -18, 7, -9, 9, 7, + 6, 22, -3, 33, -10, -11, -28, 7, -7, 0, + ], [ + -26, 6, 11, 10, 12, 23, 12, 23, 5, 24, + -13, 5, -19, -8, -38, -21, -20, -2, -6, 12, + -11, -5, -23, 11, -29, -9, 9, 0, 7, 6, + 1, -7, -2, 7, -3, 3, -2, 6, 27, 3, + ], [ + -4, -6, 0, -7, 8, 4, 0, 6, -9, 13, + -11, -7, -11, -15, -37, -4, -9, -5, 5, 11, + -5, -9, -22, -1, -27, -18, -4, -14, 5, 0, + 12, -3, 4, 32, 14, 12, -17, 22, 17, 11, + ], [ + -8, 12, 3, 21, 3, 14, -8, 5, 4, 28, + 7, 32, -2, -8, -12, -34, -4, -12, 1, 6, + 9, 4, -7, 17, 4, -13, 11, -1, 19, -4, + 0, 39, -4, 7, -11, -21, -20, -16, -10, -11, + ], [ + 13, 0, -8, 3, 0, -4, -21, -11, -9, 16, + 10, 18, 5, -16, -10, -16, 5, -15, 13, 5, + 15, 1, -6, 4, 6, -23, -2, -16, 17, -12, + 10, 44, 3, 33, 6, -12, -34, -1, -20, -3, + ], [ + -18, 4, 17, 23, -4, 20, -4, 26, -3, 36, + 0, 32, 2, 12, -29, -34, -16, -24, -10, -6, + 0, -12, -8, 4, -8, -13, 0, -6, 16, -12, + 5, 13, 3, 7, 13, 3, -8, -2, 14, 0, + ], [ + 3, -7, 5, 5, -8, 2, -17, 9, -18, 24, + 2, 19, 10, 4, -28, -17, -5, -28, 2, -7, + 4, -15, -7, -8, -6, -23, -13, -21, 14, -20, + 17, 18, 11, 33, 30, 11, -23, 13, 5, 9, + ], [ + 60, 10, 7, -1, 9, -8, 6, -13, 2, -15, + -1, -10, -13, -11, 15, 0, 6, 9, -1, 0, + -13, 1, -11, -3, -13, 21, 13, 26, -7, 31, + -10, -7, -16, -33, -31, -10, 22, -8, 1, -2, + ], [ + 82, -1, -4, -19, 6, -27, -6, -29, -12, -26, + 1, -24, -5, -18, 17, 17, 17, 6, 10, 0, + -7, -2, -9, -16, -12, 11, 0, 11, -9, 23, + 0, -3, -8, -8, -13, -1, 8, 7, -7, 6, + ], [ + 49, 2, 21, 0, 1, -2, 9, 8, -6, -6, + -8, -10, -8, 9, -2, 0, -4, -2, -13, -12, + -23, 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-12, -5, -33, -5, -8, -5, 29, 26, 24, + -9, 23, 14, -12, 39, 52, -5, -18, -39, -24, + ], [ + 32, 8, -3, 2, 13, -4, 50, 1, 27, 39, + 23, -51, -15, -30, 27, 37, 7, -1, -17, -29, + -5, 23, -25, -10, 14, -26, -8, -41, -1, 9, + 13, 26, 5, -12, 12, 7, 14, -45, 6, -9, + ], [ + -36, 29, 19, 41, 34, -18, 45, 6, -8, 10, + 5, -43, -23, -11, 42, 53, -5, -5, -6, -30, + -14, 8, -20, -26, -1, -16, -25, -4, -3, 15, + -7, 41, 23, 3, 4, 3, -8, -48, 1, -17, + ], [ + -7, 15, 9, -9, 28, -29, 45, -5, 6, 43, + 9, -12, -2, -36, 12, 30, 11, -3, -17, -3, + 34, 22, -3, -24, -12, -24, -2, -32, 28, 22, + 29, 29, -5, -50, 21, 31, 38, -29, -7, 5, + ], [ + -76, 35, 31, 28, 49, -43, 40, 0, -29, 14, + -8, -5, -10, -18, 26, 46, 0, -7, -6, -3, + 25, 7, 2, -40, -28, -14, -18, 3, 27, 28, + 8, 45, 13, -34, 13, 27, 15, -31, -12, -3, + ], [ + 74, -17, 0, -31, -18, 73, -5, 0, 3, -5, + 25, 12, -3, -1, -22, 3, -9, 33, -12, -24, + 6, 2, -33, 9, 21, 5, 20, -27, -19, -7, + -34, -37, -34, 22, 44, 0, -41, -29, -17, -21, + ], [ + 5, 3, 21, 7, 2, 60, -10, 5, -32, -34, + 7, 20, -11, 16, -8, 20, -21, 29, -1, -24, + -2, -13, -27, -6, 5, 15, 3, 8, -21, -1, + -55, -21, -15, 38, 37, -3, -65, -32, -23, -30, + ], [ + 35, -10, 11, -44, -3, 48, -10, -6, -17, -2, + 11, 51, 8, -8, -38, -3, -4, 31, -12, 2, + 46, 1, -10, -4, -5, 7, 26, -19, 10, 5, + -18, -34, -45, -15, 54, 24, -18, -13, -31, -7, + ], [ + -33, 10, 34, -5, 17, 35, -15, -1, -53, -30, + -6, 59, 0, 10, -24, 13, -17, 27, -1, 1, + 37, -13, -4, -20, -20, 18, 10, 16, 8, 11, + -39, -18, -26, 0, 46, 20, -41, -15, -37, -15, + ], [ + 29, -5, 7, -30, 1, 21, -7, 7, 0, 0, + 47, -9, -18, -15, -22, 14, -4, 0, -28, -57, + 23, 21, -25, 2, -1, 0, 7, -53, -19, -3, + -17, -15, -36, 0, 19, -24, -21, -43, 9, 0, + ], [ + -39, 14, 30, 8, 22, 8, -12, 12, -34, -27, + 29, -2, -26, 2, -8, 31, -16, -3, -17, -57, + 14, 6, -19, -13, -16, 10, -8, -17, -20, 2, + -38, 0, -17, 16, 11, -27, -44, -45, 4, -8, + ], [ + -9, 1, 20, -43, 17, -3, -12, 0, -20, 4, + 33, 29, -6, -22, -38, 7, 0, -1, -29, -30, + 63, 21, -3, -11, -27, 1, 14, -45, 10, 9, + -1, -12, -47, -37, 28, 0, 2, -26, -4, 13, + ], [ + -78, 21, 43, -4, 38, -17, -17, 5, -55, -24, + 15, 36, -14, -4, -24, 24, -12, -5, -17, -31, + 54, 5, 2, -27, -43, 12, -2, -9, 9, 15, + -22, 3, -28, -21, 20, -3, -20, -28, -9, 5, + ], [ + 80, -6, 16, -11, -30, 30, 9, 28, 28, 29, + 13, -6, 2, -28, 3, 5, 7, 60, -5, -9, + -11, 1, -24, -19, 27, -13, 32, -13, -15, -19, + -19, -35, -17, 39, 43, 9, -4, -42, -32, -41, + ], [ + 11, 14, 39, 27, -9, 17, 4, 33, -6, 0, + -4, 1, -5, -10, 17, 22, -5, 57, 5, -9, + -20, -13, -18, -35, 11, -3, 16, 22, -17, -13, + -40, -19, 1, 55, 35, 5, -27, -44, -37, -49, + ], [ + 40, 0, 28, -24, -14, 5, 4, 21, 7, 33, + 0, 32, 15, -35, -12, -1, 11, 58, -5, 16, + 28, 0, -1, -33, 0, -11, 39, -5, 14, -6, + -3, -31, -28, 1, 53, 33, 19, -25, -46, -26, + ], [ + -28, 20, 51, 14, 6, -7, 0, 26, -27, 4, + -18, 40, 6, -16, 1, 15, 0, 55, 5, 16, + 19, -14, 3, -49, -14, -1, 22, 30, 12, 0, + -24, -15, -9, 17, 45, 29, -4, -28, -51, -35, + ], [ + 34, 4, 25, -10, -9, -21, 7, 36, 26, 36, + 35, -28, -12, -42, 3, 16, 12, 28, -21, -42, + 5, 21, -16, -26, 4, -19, 19, -39, -15, -15, + -1, -13, -19, 17, 17, -14, 15, -55, -4, -19, + ], [ + -34, 25, 48, 28, 11, -34, 2, 41, -9, 7, + 17, -21, -20, -24, 17, 33, 0, 24, -10, -42, + -3, 5, -10, -42, -11, -8, 3, -3, -16, -9, + -22, 2, 0, 33, 10, -18, -7, -58, -10, -28, + ], [ + -4, 11, 37, -23, 5, -46, 2, 29, 5, 39, + 21, 9, 0, -49, -12, 9, 16, 26, -22, -15, + 45, 20, 5, -40, -22, -17, 26, -31, 14, -2, + 14, -10, -30, -20, 27, 9, 39, -39, -18, -5, + ], [ + -73, 32, 60, 15, 26, -59, -2, 33, -30, 10, + 3, 17, -8, -30, 1, 26, 4, 22, -10, -16, + 36, 5, 11, -56, -37, -6, 10, 5, 13, 3, + -6, 5, -11, -4, 19, 5, 16, -41, -24, -13 + ] +]; + +const RA144_GAIN_VAL_TAB: [[u16; 3]; 256] = [ + [ 541, 956, 768], [ 877, 581, 568], [ 675,1574, 635], [1248,1464, 668], + [1246, 839, 1394], [2560,1386, 991], [ 925, 687, 608], [2208, 797, 1144], + [ 535, 832, 799], [ 762, 605, 1154], [ 832,1122, 1003], [1180, 687, 1176], + [1292, 901, 732], [1656, 689, 896], [1750,1248, 848], [2284, 942, 1022], + [ 824,1472, 643], [ 517, 765, 512], [ 562,1816, 1522], [ 694,1826, 2700], + [ 704, 524, 672], [1442, 757, 2232], [ 884, 551, 1266], [2232,1007, 1692], + [ 932, 746, 777], [1132, 822, 926], [1226, 771, 611], [2948,1342, 1008], + [1302, 594, 1158], [1602, 636, 1128], [3408, 910, 1438], [1996, 614, 575], + [ 665, 935, 628], [ 631,1192, 829], [ 644, 926, 1052], [ 879, 988, 1226], + [ 941,2768, 2772], [ 565,1344, 2304], [ 547, 628, 740], [ 639, 532, 1074], + [ 955,1208, 598], [1124,1160, 900], [1206, 899, 1242], [ 746, 533, 624], + [1458,1028, 735], [1706,1102, 692], [1898,1018, 1004], [2176, 988, 735], + [1578, 782, 1642], [ 897, 516, 754], [2068, 702, 1656], [2344, 818, 1526], + [ 907, 652, 592], [1056, 652, 642], [2124,1416, 780], [2664,1250, 727], + [1894, 727, 1108], [2196, 657, 981], [4840, 920, 1704], [4992,1238, 983], + [2420, 909, 1094], [2760, 935, 1032], [2800, 612, 853], [3068, 832, 574], + [ 523,1796, 923], [ 722,1916, 1382], [1226,1542, 928], [ 758, 757, 584], + [ 512,1134, 577], [ 615,1276, 698], [ 574,2568, 2356], [ 993,2728, 3512], + [ 539, 890, 913], [ 694, 928, 1088], [ 805, 600, 1360], [2160, 951, 3128], + [ 816, 950, 590], [ 955, 847, 811], [1094, 883, 556], [1304, 888, 604], + [ 863,1170, 855], [1023, 997, 1032], [ 932,1228, 1280], [ 627, 564, 573], + [ 876, 900, 1448], [1030, 857, 1792], [1294, 953, 1758], [1612, 854, 1714], + [1090,1166, 631], [1314,1202, 751], [1480, 905, 795], [1682,1016, 568], + [1494,1178, 983], [ 878, 613, 526], [1728,1446, 779], [2136,1348, 774], + [ 950, 649, 939], [1180, 703, 899], [1236, 527, 1158], [1450, 647, 972], + [1282, 647, 707], [1460, 663, 644], [1614, 572, 578], [3516,1222, 821], + [2668, 729, 1682], [3128, 585, 1502], [3208, 733, 976], [6800, 871, 1416], + [3480, 743, 1408], [3764, 899, 1170], [3772, 632, 875], [4092, 732, 638], + [3112, 753, 2620], [3372, 945, 1890], [3768, 969, 2288], [2016, 559, 854], + [1736, 729, 787], [1940, 686, 547], [2140, 635, 674], [4480,1272, 828], + [3976, 592, 1666], [4384, 621, 1388], [4400, 801, 955], [4656, 522, 646], + [4848, 625, 1636], [4984, 591, 874], [5352, 535, 1001], [11216,938, 1184], + [ 925,3280, 1476], [ 735,1580, 1088], [1150,1576, 674], [ 655, 783, 528], + [ 527,2052, 1354], [ 782,1704, 1880], [ 578, 910, 1026], [ 692, 882, 1468], + [ 586, 683, 715], [ 739, 609, 717], [ 778, 773, 697], [ 922, 785, 813], + [ 766, 651, 984], [ 978, 596, 1030], [1070, 757, 1080], [1324, 687, 1178], + [1108,2144, 979], [ 723, 982, 690], [ 936, 956, 527], [1180,1002, 547], + [ 517,1306, 825], [ 832,1184, 974], [1024, 957, 903], [1262,1090, 906], + [1028, 720, 649], [1192, 679, 694], [2468,1480, 979], [2844,1370, 877], + [1310, 835, 848], [1508, 839, 698], [1742,1030, 769], [1910, 852, 573], + [1280, 859, 1174], [1584, 863, 1108], [1686, 708, 1364], [1942, 768, 1104], + [ 891, 536, 690], [1016, 560, 663], [2172, 870, 1348], [2404, 999, 1170], + [1890, 966, 889], [2116, 912, 777], [2296,1020, 714], [4872,1844, 932], + [2392, 778, 929], [2604, 772, 744], [2764, 957, 722], [5832,1532, 984], + [2188, 519, 1264], [2332, 532, 922], [5064, 995, 2412], [2708, 571, 874], + [2408, 545, 666], [5016,1084, 875], [5376, 983, 1196], [5536, 979, 730], + [5344, 634, 1744], [5688, 706, 1348], [5912, 977, 1190], [6072, 905, 763], + [6048, 582, 1526], [11968,1013,1816], [12864,937, 1900], [12560,1086, 998], + [1998, 684, 1884], [2504, 633, 1992], [1252, 567, 835], [1478, 571, 973], + [2620, 769, 1414], [2808, 952, 1142], [2908, 712, 1028], [2976, 686, 741], + [1462, 552, 714], [3296, 991, 1452], [1590, 615, 544], [3480,1150, 824], + [3212, 832, 923], [3276, 839, 531], [3548, 786, 852], [3732, 764, 570], + [5728, 906, 2616], [6272, 804, 2252], [3096, 535, 876], [3228, 598, 649], + [6536, 759, 1436], [6648, 993, 846], [6864, 567, 1210],[14016,1012, 1302], + [3408, 548, 1098], [7160,1008, 1742], [7136,1000, 1182], [7480,1032, 836], + [7448, 612, 1552], [7744, 614, 816], [8384, 777, 1438], [8784, 694, 786], + [ 882,1508, 1068], [ 597, 837, 766], [1270, 954, 1408], [ 803, 550, 798], + [1398,1308, 798], [1848,1534, 738], [ 970, 675, 608], [1264, 706, 684], + [1716, 767, 1126], [2108, 765, 1404], [2236, 924, 1003], [2472,1048, 611], + [ 999, 942, 963], [1094, 857, 935], [2936, 926, 1138], [1934, 746, 551], + [3336, 633, 1762], [3764, 701, 1454], [1890, 564, 636], [4096,1126, 793], + [3936, 556, 1140], [3936, 540, 740], [4216, 764, 874], [8480,1328, 1014], + [2184, 515, 1042], [4432, 934, 1344], [4784, 945, 1112], [5016,1062, 733], + [9216,1020, 2028], [9968, 924, 1188], [5424, 909, 1206], [6512, 744, 1086] +]; +const RA144_GAIN_EXP_TAB: [u8; 256] = [ + 15, 15, 15, 15, 15, 16, 14, 15, 14, 14, 14, 14, 14, 14, 14, 14, + 14, 13, 14, 14, 13, 14, 13, 14, 13, 13, 13, 14, 13, 13, 14, 13, + 13, 13, 13, 13, 14, 13, 12, 12, 13, 13, 13, 12, 13, 13, 13, 13, + 13, 12, 13, 13, 12, 12, 13, 13, 13, 13, 14, 14, 13, 13, 13, 13, + 13, 13, 13, 12, 12, 12, 13, 13, 12, 12, 12, 13, 12, 12, 12, 12, + 12, 12, 12, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 12, 12, + 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 13, 13, 13, 13, + 13, 13, 13, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 14, + 13, 12, 12, 11, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, + 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 11, 11, 11, 11, + 12, 12, 12, 12, 11, 11, 12, 12, 12, 12, 12, 13, 12, 12, 12, 13, + 12, 12, 13, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, + 12, 12, 11, 11, 12, 12, 12, 12, 11, 12, 11, 12, 12, 12, 12, 12, + 13, 13, 12, 12, 13, 13, 13, 14, 12, 13, 13, 13, 13, 13, 13, 13, + 11, 10, 11, 10, 11, 11, 10, 10, 11, 11, 11, 11, 10, 9, 11, 10, + 12, 12, 11, 12, 12, 12, 12, 13, 11, 12, 12, 12, 13, 13, 12, 12 +]; diff --git a/src/codecs/real/ra288.rs b/src/codecs/real/ra288.rs new file mode 100644 index 0000000..bb05403 --- /dev/null +++ b/src/codecs/real/ra288.rs @@ -0,0 +1,330 @@ +use formats::*; +use frame::*; +use super::super::*; +use io::bitreader::*; +const CHMAP_MONO: [NAChannelType; 1] = [NAChannelType::C]; +const NBLOCKS: usize = 32; +const BLOCKSIZE: usize = 5; +const FRAME_SIZE: usize = 38; + +const SP_LPC_ORDER: usize = 36; +const SP_START: usize = 70; +const GAIN_LPC_ORDER: usize = 10; +const GAIN_START: usize = 28; + +struct RA288Decoder { + chmap: NAChannelMap, + ainfo: NAAudioInfo, + info: Rc, + + speech_lpc: [f32; SP_LPC_ORDER], + speech_hist: [f32; 111], + speech_rec: [f32; SP_LPC_ORDER + 1], + gain_lpc: [f32; GAIN_LPC_ORDER], + gain_hist: [f32; GAIN_LPC_ORDER + GAIN_START], + gain_rec: [f32; GAIN_LPC_ORDER + 1], +} + +const BF_ORDER: usize = SP_LPC_ORDER + 1; +const BF_WORK_SIZE: usize = SP_LPC_ORDER + 40 + 35; + +fn backfilter(hist: &mut [f32], rec: &mut [f32], filt: &mut [f32], win: &[f32], bw_tab: &[f32], start: usize, non_rec: usize, move_size: usize) { + let mut temp: [f32; BF_ORDER] = [0.0; BF_ORDER]; + let order = filt.len(); + + let mut tmp1: [f32; BF_ORDER] = [0.0; BF_ORDER]; + let mut tmp2: [f32; BF_ORDER] = [0.0; BF_ORDER]; + let mut work: [f32; BF_WORK_SIZE] = [0.0; BF_WORK_SIZE]; + for i in 0..(order + start + non_rec) { + work[i] = win[i] * hist[i]; + } + for i in (0..order + 1).rev() { + let src1 = &work[(order - i)..]; + let src2 = &work[order + start - i..]; + tmp1[i] = scalarprod(&work[order..], src1, start); + tmp2[i] = scalarprod(&work[order + start..], src2, non_rec); + } + + for i in 0..(order + 1) { + rec[i] = rec[i] * 0.5625 + tmp1[i]; + temp[i] = rec[i] + tmp2[i]; + } + temp[0] *= 257.0 / 256.0; + + if compute_lpc(&temp, filt) { + for (f, c) in filt.iter_mut().zip(bw_tab.iter()) { + *f *= c; + } + } + for i in 0..move_size { + hist[i] = hist[i + start]; + } +} + +fn scalarprod(src0: &[f32], src1: &[f32], len: usize) -> f32 { + let mut sum: f32 = 0.0; + for (a, b) in src0.iter().take(len).zip(src1.iter().take(len)) { + sum += *a * *b; + } + sum +} + +fn compute_lpc(autoc: &[f32], filt: &mut [f32]) -> bool { + let order = filt.len(); + let mut err = autoc[0]; + if (err <= 0.0) || (autoc[order] == 0.0) { + return false; + } + for i in 0..order { + let mut r = -autoc[i + 1]; + for j in 0..i { + r -= filt[j] * autoc[i - j]; + } + r /= err; + err *= 1.0 - r * r; + filt[i] = r; + + for j in 0..((i + 1) >> 1) { + let f = filt[j]; + let b = filt[i - j - 1]; + filt[j] = f + r * b; + filt[i - j - 1] = b + r * f; + } + + if err < 0.0 { return false; } + } + true +} + +fn celp_lp_synth_filter(dst: &mut [f32], start: usize, filt: &[f32], src: &[f32]) { + for (i, el) in src.iter().enumerate() { + dst[start + i] = *el; + for (j, coeff) in filt.iter().enumerate() { + dst[start + i] -= *coeff * dst[start + i - j - 1]; + } + } +} + +impl RA288Decoder { + fn new() -> Self { + RA288Decoder { + chmap: NAChannelMap::new(), + ainfo: NAAudioInfo::new(0, 1, SND_F32P_FORMAT, NBLOCKS * BLOCKSIZE), + info: NACodecInfo::new_dummy(), + + speech_lpc: [0.0; SP_LPC_ORDER], + speech_hist: [0.0; 111], + speech_rec: [0.0; SP_LPC_ORDER + 1], + gain_lpc: [0.0; GAIN_LPC_ORDER], + gain_hist: [0.0; 38], + gain_rec: [0.0; GAIN_LPC_ORDER + 1], + } + } + + fn process_subblock(&mut self, gain: f32, cb_idx: usize) { + for i in 0..SP_LPC_ORDER { + self.speech_hist[SP_START + i] = self.speech_hist[75 + i]; + } + let mut sum: f32 = 32.0; + for i in 0..GAIN_LPC_ORDER { + sum -= self.gain_hist[GAIN_START + GAIN_LPC_ORDER - 1 - i] * self.gain_lpc[i]; + } + sum = sum.max(0.0).min(60.0); + + let scale = (sum * 0.1151292546497).exp() * gain * (1.0 / ((1 << 23) as f32)); + let mut buf: [f32; BLOCKSIZE] = [0.0; BLOCKSIZE]; + for i in 0..BLOCKSIZE { + buf[i] = (RA288_CODEBOOK[cb_idx][i] as f32) * scale; + } + + let mut sum: f32 = 0.0; + for el in buf.iter() { + sum += *el * *el * (((1 << 24) as f32) / 5.0); + } + sum = sum.max(1.0); + for i in 0..(GAIN_LPC_ORDER - 1) { + self.gain_hist[GAIN_START + i] = self.gain_hist[GAIN_START + i + 1]; + } + self.gain_hist[GAIN_START + GAIN_LPC_ORDER - 1] = 10.0 * sum.log10() - 32.0; + celp_lp_synth_filter(&mut self.speech_hist, SP_START + SP_LPC_ORDER, &self.speech_lpc, &buf); + } +} + +impl NADecoder for RA288Decoder { + fn init(&mut self, info: Rc) -> DecoderResult<()> { + if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() { + self.chmap.add_channels(&CHMAP_MONO); + self.ainfo = NAAudioInfo::new(ainfo.get_sample_rate(), + 1, + SND_F32P_FORMAT, NBLOCKS * BLOCKSIZE); + self.info = info.replace_info(NACodecTypeInfo::Audio(self.ainfo.clone())); + Ok(()) + } else { + Err(DecoderError::InvalidData) + } + } + fn decode(&mut self, pkt: &NAPacket) -> DecoderResult { + let info = pkt.get_stream().get_info(); + validate!(info.get_properties().is_audio()); + let pktbuf = pkt.get_buffer(); + let nframes = pktbuf.len() / FRAME_SIZE; + let duration = NBLOCKS * BLOCKSIZE * nframes; + + let mut abuf = alloc_audio_buffer(self.ainfo, duration, self.chmap.clone())?; + let mut adata = abuf.get_abuf_f32().unwrap(); + let mut dst = adata.get_data_mut(); + + for (input, output) in pktbuf.chunks(FRAME_SIZE).zip(dst.chunks_mut(NBLOCKS * BLOCKSIZE)) { + let mut br = BitReader::new(input, input.len(), BitReaderMode::LE); + + for (i, block) in output.chunks_mut(BLOCKSIZE).enumerate() { + let gain = RA288_GAIN_TAB[br.read(3)? as usize]; + let cb = br.read((6 + (i & 1)) as u8)? as usize; + + self.process_subblock(gain, cb); + + for j in 0..BLOCKSIZE { + block[j] = self.speech_hist[SP_START + SP_LPC_ORDER + j]; + } + if (i & 7) == 3 { + backfilter(&mut self.speech_hist, &mut self.speech_rec, &mut self.speech_lpc, RA288_SPEECH_WINDOW, RA288_SPEECH_BW_TAB, 40, 35, SP_START); + backfilter(&mut self.gain_hist, &mut self.gain_rec, &mut self.gain_lpc, RA288_GAIN_WINDOW, RA288_GAIN_BW_TAB, 8, 20, GAIN_START); + } + } + } + + let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), abuf); + frm.set_keyframe(true); + Ok(Rc::new(RefCell::new(frm))) + } +} + +pub fn get_decoder() -> Box { + Box::new(RA288Decoder::new()) +} + +#[cfg(test)] +mod test { + use test::dec_video::*; + #[test] + fn test_ra288() { + let file = "assets/RV/A0000044.rm"; + test_decode_audio("realmedia", file, None, "realaudio288"); + } +} + +const RA288_GAIN_TAB: [f32; 8] = [ + 0.515625, 0.90234375, 1.57910156, 2.76342773, + -0.515625, -0.90234375, -1.57910156, -2.76342773 +]; + +const RA288_CODEBOOK: [[i16; 5]; 128] = [ + [ 668, -2950, -1254, -1790, -2553], [ -5032, -4577, -1045, 2908, 3318], + [ -2819, -2677, -948, -2825, -4450], [ -6679, -340, 1482, -1276, 1262], + [ -562, -6757, 1281, 179, -1274], [ -2512, -7130, -4925, 6913, 2411], + [ -2478, -156, 4683, -3873, 0], [ -8208, 2140, -478, -2785, 533], + [ 1889, 2759, 1381, -6955, -5913], [ 5082, -2460, -5778, 1797, 568], + [ -2208, -3309, -4523, -6236, -7505], [ -2719, 4358, -2988, -1149, 2664], + [ 1259, 995, 2711, -2464,-10390], [ 1722, -7569, -2742, 2171, -2329], + [ 1032, 747, -858, -7946,-12843], [ 3106, 4856, -4193, -2541, 1035], + [ 1862, -960, -6628, 410, 5882], [ -2493, -2628, -4000, -60, 7202], + [ -2672, 1446, 1536, -3831, 1233], [ -5302, 6912, 1589, -4187, 3665], + [ -3456, -8170, -7709, 1384, 4698], [ -4699, -6209,-11176, 8104, 16830], + [ 930, 7004, 1269, -8977, 2567], [ 4649, 11804, 3441, -5657, 1199], + [ 2542, -183, -8859, -7976, 3230], [ -2872, -2011, -9713, -8385, 12983], + [ 3086, 2140, -3680, -9643, -2896], [ -7609, 6515, -2283, -2522, 6332], + [ -3333, -5620, -9130,-11131, 5543], [ -407, -6721,-17466, -2889, 11568], + [ 3692, 6796, -262,-10846, -1856], [ 7275, 13404, -2989,-10595, 4936], + [ 244, -2219, 2656, 3776, -5412], [ -4043, -5934, 2131, 863, -2866], + [ -3302, 1743, -2006, -128, -2052], [ -6361, 3342, -1583, -21, 1142], + [ -3837, -1831, 6397, 2545, -2848], [ -9332, -6528, 5309, 1986, -2245], + [ -4490, 748, 1935, -3027, -493], [ -9255, 5366, 3193, -4493, 1784], + [ 4784, -370, 1866, 1057, -1889], [ 7342, -2690, -2577, 676, -611], + [ -502, 2235, -1850, -1777, -2049], [ 1011, 3880, -2465, 2209, -152], + [ 2592, 2829, 5588, 2839, -7306], [ -3049, -4918, 5955, 9201, -4447], + [ 697, 3908, 5798, -4451, -4644], [ -2121, 5444, -2570, 321, -1202], + [ 2846, -2086, 3532, 566, -708], [ -4279, 950, 4980, 3749, 452], + [ -2484, 3502, 1719, -170, 238], [ -3435, 263, 2114, -2005, 2361], + [ -7338, -1208, 9347, -1216, -4013], [-13498, -439, 8028, -4232, 361], + [ -3729, 5433, 2004, -4727, -1259], [ -3986, 7743, 8429, -3691, -987], + [ 5198, -423, 1150, -1281, 816], [ 7409, 4109, -3949, 2690, 30], + [ 1246, 3055, -35, -1370, -246], [ -1489, 5635, -678, -2627, 3170], + [ 4830, -4585, 2008, -1062, 799], [ -129, 717, 4594, 14937, 10706], + [ 417, 2759, 1850, -5057, -1153], [ -3887, 7361, -5768, 4285, 666], + [ 1443, -938, 20, -2119, -1697], [ -3712, -3402, -2212, 110, 2136], + [ -2952, 12, -1568, -3500, -1855], [ -1315, -1731, 1160, -558, 1709], + [ 88, -4569, 194, -454, -2957], [ -2839, -1666, -273, 2084, -155], + [ -189, -2376, 1663, -1040, -2449], [ -2842, -1369, 636, -248, -2677], + [ 1517, 79, -3013, -3669, -973], [ 1913, -2493, -5312, -749, 1271], + [ -2903, -3324, -3756, -3690, -1829], [ -2913, -1547, -2760, -1406, 1124], + [ 1844, -1834, 456, 706, -4272], [ 467, -4256, -1909, 1521, 1134], + [ -127, -994, -637, -1491, -6494], [ 873, -2045, -3828, -2792, -578], + [ 2311, -1817, 2632, -3052, 1968], [ 641, 1194, 1893, 4107, 6342], + [ -45, 1198, 2160, -1449, 2203], [ -2004, 1713, 3518, 2652, 4251], + [ 2936, -3968, 1280, 131, -1476], [ 2827, 8, -1928, 2658, 3513], + [ 3199, -816, 2687, -1741, -1407], [ 2948, 4029, 394, -253, 1298], + [ 4286, 51, -4507, -32, -659], [ 3903, 5646, -5588, -2592, 5707], + [ -606, 1234, -1607, -5187, 664], [ -525, 3620, -2192, -2527, 1707], + [ 4297, -3251, -2283, 812, -2264], [ 5765, 528, -3287, 1352, 1672], + [ 2735, 1241, -1103, -3273, -3407], [ 4033, 1648, -2965, -1174, 1444], + [ 74, 918, 1999, 915, -1026], [ -2496, -1605, 2034, 2950, 229], + [ -2168, 2037, 15, -1264, -208], [ -3552, 1530, 581, 1491, 962], + [ -2613, -2338, 3621, -1488, -2185], [ -1747, 81, 5538, 1432, -2257], + [ -1019, 867, 214, -2284, -1510], [ -1684, 2816, -229, 2551, -1389], + [ 2707, 504, 479, 2783, -1009], [ 2517, -1487, -1596, 621, 1929], + [ -148, 2206, -4288, 1292, -1401], [ -527, 1243, -2731, 1909, 1280], + [ 2149, -1501, 3688, 610, -4591], [ 3306, -3369, 1875, 3636, -1217], + [ 2574, 2513, 1449, -3074, -4979], [ 814, 1826, -2497, 4234, -4077], + [ 1664, -220, 3418, 1002, 1115], [ 781, 1658, 3919, 6130, 3140], + [ 1148, 4065, 1516, 815, 199], [ 1191, 2489, 2561, 2421, 2443], + [ 770, -5915, 5515, -368, -3199], [ 1190, 1047, 3742, 6927, -2089], + [ 292, 3099, 4308, -758, -2455], [ 523, 3921, 4044, 1386, 85], + [ 4367, 1006, -1252, -1466, -1383], [ 3852, 1579, -77, 2064, 868], + [ 5109, 2919, -202, 359, -509], [ 3650, 3206, 2303, 1693, 1296], + [ 2905, -3907, 229, -1196, -2332], [ 5977, -3585, 805, 3825, -3138], + [ 3746, -606, 53, -269, -3301], [ 606, 2018, -1316, 4064, 398] +]; + +const RA288_SPEECH_WINDOW: &[f32] = &[ + 0.576690972, 0.580838025, 0.585013986, 0.589219987, 0.59345597, 0.597723007, + 0.602020264, 0.606384277, 0.610748291, 0.615142822, 0.619598389, 0.624084473, + 0.628570557, 0.633117676, 0.637695313, 0.642272949, 0.646911621, 0.651580811, + 0.656280518, 0.66104126, 0.665802002, 0.670593262, 0.675445557, 0.680328369, + 0.685241699, 0.690185547, 0.695159912, 0.700164795, 0.705230713, 0.710327148, + 0.715454102, 0.720611572, 0.725830078, 0.731048584, 0.736328125, 0.741638184, + 0.747009277, 0.752380371, 0.7578125, 0.763305664, 0.768798828, 0.774353027, + 0.779937744, 0.785583496, 0.791229248, 0.796936035, 0.802703857, 0.808502197, + 0.814331055, 0.820220947, 0.826141357, 0.832092285, 0.838104248, 0.844146729, + 0.850250244, 0.856384277, 0.862548828, 0.868774414, 0.875061035, 0.881378174, + 0.88772583, 0.894134521, 0.900604248, 0.907104492, 0.913635254, 0.920227051, + 0.926879883, 0.933563232, 0.940307617, 0.94708252, 0.953918457, 0.96081543, + 0.96774292, 0.974731445, 0.981781006, 0.988861084, 0.994842529, 0.998565674, + 0.999969482, 0.99911499, 0.996002197, 0.990600586, 0.982910156, 0.973022461, + 0.960876465, 0.946533203, 0.930053711, 0.911437988, 0.89074707, 0.868041992, + 0.843322754, 0.816680908, 0.788208008, 0.757904053, 0.725891113, 0.692199707, + 0.656921387, 0.620178223, 0.582000732, 0.542480469, 0.501739502, 0.459838867, + 0.416900635, 0.373016357, 0.328277588, 0.282775879, 0.236663818, 0.189971924, + 0.142852783, 0.0954284668,0.0477600098 +]; +const RA288_SPEECH_BW_TAB: &[f32] = &[ + 0.98828125, 0.976699829, 0.965254128, 0.953942537, 0.942763507, 0.931715488, + 0.920796931, 0.910006344, 0.899342179, 0.888803005, 0.878387332, 0.868093729, + 0.857920766, 0.847867012, 0.837931097, 0.828111589, 0.818407178, 0.808816493, + 0.799338162, 0.789970934, 0.780713439, 0.771564424, 0.762522638, 0.753586829, + 0.744755745, 0.736028135, 0.727402806, 0.718878567, 0.710454226, 0.702128589, + 0.693900526, 0.685768902, 0.677732527, 0.669790328, 0.66194123, 0.654184103 +]; + +const RA288_GAIN_WINDOW: &[f32] = &[ + 0.505699992, 0.524200022, 0.54339999, 0.563300014, 0.583953857, 0.60534668, + 0.627502441, 0.650482178, 0.674316406, 0.699005127, 0.724578857, 0.75112915, + 0.778625488, 0.807128906, 0.836669922, 0.86730957, 0.899078369, 0.932006836, + 0.961486816, 0.982757568, 0.995635986, 1.0, 0.995819092, 0.983154297, + 0.96206665, 0.932769775, 0.895507813, 0.850585938, 0.798400879, 0.739379883, + 0.674072266, 0.602996826, 0.526763916, 0.446014404, 0.361480713, 0.273834229, + 0.183868408, 0.0923461914 +]; +const RA288_GAIN_BW_TAB: &[f32] = &[ + 0.90625, 0.821289063, 0.74432373, 0.674499512, 0.61126709, + 0.553955078, 0.50201416, 0.454956055, 0.41229248, 0.373657227 +]; -- 2.30.2