X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fvp6.rs;h=916711cddbc00b5392b75c4f1c7f6b28ba257f7e;hb=HEAD;hp=4bbe61fbe7031058cebabec741089fda7bd3b479;hpb=85d7efe32de798ace176528fd1072a63cff46562;p=nihav.git diff --git a/nihav-duck/src/codecs/vp6.rs b/nihav-duck/src/codecs/vp6.rs index 4bbe61f..916711c 100644 --- a/nihav-duck/src/codecs/vp6.rs +++ b/nihav-duck/src/codecs/vp6.rs @@ -1,15 +1,10 @@ use nihav_core::codecs::*; use nihav_core::io::bitreader::*; -use nihav_core::codecs::blockdsp::edge_emu; +use nihav_codec_support::codecs::{MV, ZIGZAG}; use super::vpcommon::*; use super::vp56::*; - -const VERSION_VP60: u8 = 6; -//const VERSION_VP61: u8 = 7; -const VERSION_VP62: u8 = 8; - -const VP6_SIMPLE_PROFILE: u8 = 0; -const VP6_ADVANCED_PROFILE: u8 = 3; +use super::vp6data::*; +use super::vp6dsp::*; #[derive(Default)] struct VP6BR { @@ -36,7 +31,7 @@ impl VP56Parser for VP6BR { let mut hdr = VP56Header::default(); // horrible hack to match VP6 header parsing let src = bc.src; - let mut br = BitReader::new(src, src.len(), BitReaderMode::BE); + let mut br = BitReader::new(src, BitReaderMode::BE); hdr.is_intra = !br.read_bool()?; hdr.is_golden = hdr.is_intra; @@ -51,13 +46,14 @@ impl VP56Parser for VP6BR { } else { hdr.version = self.vpversion; hdr.profile = self.profile; + hdr.interlaced = self.interlaced; } if hdr.multistream || (hdr.profile == VP6_SIMPLE_PROFILE) { hdr.offset = br.read(16)? as u16; validate!(hdr.offset > if hdr.is_intra { 6 } else { 2 }); + hdr.multistream = true; } let bytes = br.tell() >> 3; - std::mem::drop(br); bc.skip_bytes(bytes); self.loop_mode = 0; if hdr.is_intra { @@ -108,8 +104,6 @@ impl VP56Parser for VP6BR { Ok(hdr) } fn decode_mv(&self, bc: &mut BoolCoder, model: &VP56MVModel) -> i16 { - const LONG_VECTOR_ORDER: [usize; 7] = [ 0, 1, 2, 7, 6, 5, 4 ]; - let val = if !bc.read_prob(model.nz_prob) { // short vector vp_tree!(bc, model.tree_probs[0], vp_tree!(bc, model.tree_probs[1], @@ -137,20 +131,6 @@ impl VP56Parser for VP6BR { } } fn reset_models(&self, models: &mut VP56Models) { - const NZ_PROBS: [u8; 2] = [ 162, 164 ]; - const RAW_PROBS: [[u8; 8]; 2] = [ - [ 247, 210, 135, 68, 138, 220, 239, 246 ], - [ 244, 184, 201, 44, 173, 221, 239, 253 ] - ]; - const TREE_PROBS: [[u8; 7]; 2] = [ - [ 225, 146, 172, 147, 214, 39, 156 ], - [ 204, 170, 119, 235, 140, 230, 228 ] - ]; - const ZERO_RUN_PROBS: [[u8; 14]; 2] = [ - [ 198, 197, 196, 146, 198, 204, 169, 142, 130, 136, 149, 149, 191, 249 ], - [ 135, 201, 181, 154, 98, 117, 132, 126, 146, 169, 184, 240, 246, 254 ] - ]; - for (i, mdl) in models.mv_models.iter_mut().enumerate() { mdl.nz_prob = NZ_PROBS[i]; mdl.sign_prob = 128; @@ -161,17 +141,6 @@ impl VP56Parser for VP6BR { reset_scan(&mut models.vp6models, self.interlaced); } fn decode_mv_models(&self, bc: &mut BoolCoder, models: &mut [VP56MVModel; 2]) -> DecoderResult<()> { - const HAS_NZ_PROB: [u8; 2] = [ 237, 231 ]; - const HAS_SIGN_PROB: [u8; 2] = [ 246, 243 ]; - const HAS_TREE_PROB: [[u8; 7]; 2] = [ - [ 253, 253, 254, 254, 254, 254, 254 ], - [ 245, 253, 254, 254, 254, 254, 254 ] - ]; - const HAS_RAW_PROB: [[u8; 8]; 2] = [ - [ 254, 254, 254, 254, 254, 250, 250, 252 ], - [ 254, 254, 254, 254, 254, 251, 251, 254 ] - ]; - for comp in 0..2 { if bc.read_prob(HAS_NZ_PROB[comp]) { models[comp].nz_prob = bc.read_probability(); @@ -197,29 +166,10 @@ impl VP56Parser for VP6BR { Ok(()) } fn decode_coeff_models(&self, bc: &mut BoolCoder, models: &mut VP56Models, is_intra: bool) -> DecoderResult<()> { - const COEF_PROBS: [[u8; 11]; 2] = [ - [ 146, 255, 181, 207, 232, 243, 238, 251, 244, 250, 249 ], - [ 179, 255, 214, 240, 250, 255, 244, 255, 255, 255, 255 ] - ]; - const SCAN_UPD_PROBS: [u8; 64] = [ - 0, 132, 132, 159, 153, 151, 161, 170, - 164, 162, 136, 110, 103, 114, 129, 118, - 124, 125, 132, 136, 114, 110, 142, 135, - 134, 123, 143, 126, 153, 183, 166, 161, - 171, 180, 179, 164, 203, 218, 225, 217, - 215, 206, 203, 217, 229, 241, 248, 243, - 253, 255, 253, 255, 255, 255, 255, 255, - 255, 255, 255, 255, 255, 255, 255, 255 - ]; - const ZERO_RUN_PROBS: [[u8; 14]; 2] = [ - [ 219, 246, 238, 249, 232, 239, 249, 255, 248, 253, 239, 244, 241, 248 ], - [ 198, 232, 251, 253, 219, 241, 253, 255, 248, 249, 244, 238, 251, 255 ] - ]; - let mut def_prob = [128u8; 11]; for plane in 0..2 { for i in 0..11 { - if bc.read_prob(COEF_PROBS[plane][i]) { + if bc.read_prob(HAS_COEF_PROBS[plane][i]) { def_prob[i] = bc.read_probability(); models.coeff_models[plane].dc_value_probs[i] = def_prob[i]; } else if is_intra { @@ -230,7 +180,7 @@ impl VP56Parser for VP6BR { if bc.read_bool() { for i in 1..64 { - if bc.read_prob(SCAN_UPD_PROBS[i]) { + if bc.read_prob(HAS_SCAN_UPD_PROBS[i]) { models.vp6models.scan_order[i] = bc.read_bits(4) as usize; } } @@ -241,7 +191,7 @@ impl VP56Parser for VP6BR { for comp in 0..2 { for i in 0..14 { - if bc.read_prob(ZERO_RUN_PROBS[comp][i]) { + if bc.read_prob(HAS_ZERO_RUN_PROBS[comp][i]) { models.vp6models.zero_run_probs[comp][i] = bc.read_probability(); } } @@ -359,7 +309,7 @@ impl VP56Parser for VP6BR { (mv.x >> 3, mv.y >> 3, mv.x & 7, mv.y & 7, mv.x / 8, mv.y / 8) }; let tmp_blk = mc_buf.get_data_mut().unwrap(); - get_block(tmp_blk, 16, src.clone(), plane, x, y, sx, sy); + get_block(tmp_blk, 16, src, plane, x, y, sx, sy); if (msx & 7) != 0 { let foff = (8 - (sx & 7)) as usize; let off = 2 + foff; @@ -393,7 +343,7 @@ impl VP56Parser for VP6BR { if copy_mode { let src = &tmp_blk[2 * 16 + 2..]; for (dline, sline) in dbuf.chunks_mut(dst.stride[plane]).zip(src.chunks(16)).take(8) { - for i in 0..8 { dline[i] = sline[i]; } + dline[..8].copy_from_slice(&sline[..8]); } } else if bicubic { let coeff_h = &VP6_BICUBIC_COEFFS[self.filter_alpha][mx as usize]; @@ -421,27 +371,6 @@ fn update_scan(model: &mut VP6Models) { } fn reset_scan(model: &mut VP6Models, interlaced: bool) { - const VP6_DEFAULT_SCAN_ORDER: [usize; 64] = [ - 0, 0, 1, 1, 1, 2, 2, 2, - 2, 2, 2, 3, 3, 4, 4, 4, - 5, 5, 5, 5, 6, 6, 7, 7, - 7, 7, 7, 8, 8, 9, 9, 9, - 9, 9, 9, 10, 10, 11, 11, 11, - 11, 11, 11, 12, 12, 12, 12, 12, - 12, 13, 13, 13, 13, 13, 14, 14, - 14, 14, 15, 15, 15, 15, 15, 15 - ]; - const VP6_INTERLACED_SCAN_ORDER: [usize; 64] = [ - 0, 1, 0, 1, 1, 2, 5, 3, - 2, 2, 2, 2, 4, 7, 8, 10, - 9, 7, 5, 4, 2, 3, 5, 6, - 8, 9, 11, 12, 13, 12, 11, 10, - 9, 7, 5, 4, 6, 7, 9, 11, - 12, 12, 13, 13, 14, 12, 11, 9, - 7, 9, 11, 12, 14, 14, 14, 15, - 13, 11, 13, 15, 15, 15, 15, 15 - ]; - if !interlaced { model.scan_order.copy_from_slice(&VP6_DEFAULT_SCAN_ORDER); } else { @@ -491,20 +420,19 @@ fn decode_zero_run_bc(bc: &mut BoolCoder, probs: &[u8; 14]) -> usize { } fn decode_token_huff(br: &mut BitReader, huff: &VP6Huff) -> DecoderResult<(i16, bool)> { - const COEF_ADD_BITS: [u8; 6] = [ 1, 2, 3, 4, 5, 11 ]; let tok = br.read_huff(huff)?; match tok { 0 => Ok((0, false)), 1 | 2 | 3 | 4 => { if !br.read_bool()? { - Ok((tok as i16, false)) + Ok((i16::from(tok), false)) } else { - Ok((-(tok as i16), false)) + Ok((-i16::from(tok), false)) } }, 5 | 6 | 7 | 8 | 9 | 10 => { let base = (tok - 5) as usize; - let add_bits = br.read(COEF_ADD_BITS[base])? as i16; + let add_bits = br.read(VP6_COEF_ADD_BITS[base])? as i16; let val = VP56_COEF_BASE[base] + add_bits; if !br.read_bool()? { Ok((val, false)) @@ -544,139 +472,22 @@ fn decode_zero_run_huff(br: &mut BitReader, huff: &VP6Huff) -> DecoderResult, comp: usize, - dx: usize, dy: usize, mv_x: i16, mv_y: i16) -{ - let (w, h) = src.get_dimensions(comp); - let sx = (dx as isize) + (mv_x as isize); - let sy = (dy as isize) + (mv_y as isize); - - if (sx - 2 < 0) || (sx + 8 + 2 > (w as isize)) || - (sy - 2 < 0) || (sy + 8 + 2 > (h as isize)) { - edge_emu(&src, sx - 2, sy - 2, 8 + 2 + 2, 8 + 2 + 2, - dst, dstride, comp); - } else { - let sstride = src.get_stride(comp); - let soff = src.get_offset(comp); - let sdta = src.get_data(); - let sbuf: &[u8] = sdta.as_slice(); - let saddr = soff + ((sx - 2) as usize) + ((sy - 2) as usize) * sstride; - let src = &sbuf[saddr..]; - for (dline, sline) in dst.chunks_mut(dstride).zip(src.chunks(sstride)).take(12) { - for i in 0..12 { - dline[i] = sline[i]; - } - } - } -} - -fn calc_variance(src: &[u8], stride: usize) -> u16 { - let mut sum = 0; - let mut ssum = 0; - for line in src.chunks(stride * 2).take(4) { - for el in line.iter().take(8).step_by(2) { - let pix = *el as u32; - sum += pix; - ssum += pix * pix; - } - } - ((ssum * 16 - sum * sum) >> 8) as u16 -} - -macro_rules! mc_filter { - (bilinear; $a: expr, $b: expr, $c: expr) => { - ((($a as u16) * (8 - $c) + ($b as u16) * $c + 4) >> 3) as u8 - }; - (bicubic; $src: expr, $off: expr, $step: expr, $coeffs: expr) => { - ((($src[$off - $step] as i32) * ($coeffs[0] as i32) + - ($src[$off] as i32) * ($coeffs[1] as i32) + - ($src[$off + $step] as i32) * ($coeffs[2] as i32) + - ($src[$off + $step * 2] as i32) * ($coeffs[3] as i32) + 64) >> 7).min(255).max(0) as u8 - } -} - -//#[allow(snake_case)] -fn mc_bilinear(dst: &mut [u8], dstride: usize, src: &[u8], mut soff: usize, sstride: usize, mx: u16, my: u16) { - if my == 0 { - for dline in dst.chunks_mut(dstride).take(8) { - for i in 0..8 { - dline[i] = mc_filter!(bilinear; src[soff + i], src[soff + i + 1], mx); - } - soff += sstride; - } - } else if mx == 0 { - for dline in dst.chunks_mut(dstride).take(8) { - for i in 0..8 { - dline[i] = mc_filter!(bilinear; src[soff + i], src[soff + i + sstride], my); - } - soff += sstride; - } - } else { - let mut tmp = [0u8; 8]; - for i in 0..8 { - tmp[i] = mc_filter!(bilinear; src[soff + i], src[soff + i + 1], mx); - } - soff += sstride; - for dline in dst.chunks_mut(dstride).take(8) { - for i in 0..8 { - let cur = mc_filter!(bilinear; src[soff + i], src[soff + i + 1], mx); - dline[i] = mc_filter!(bilinear; tmp[i], cur, my); - tmp[i] = cur; - } - soff += sstride; - } - } -} - -fn mc_bicubic(dst: &mut [u8], dstride: usize, src: &[u8], mut soff: usize, sstride: usize, coeffs_w: &[i16; 4], coeffs_h: &[i16; 4]) { - if coeffs_h[1] == 128 { - for dline in dst.chunks_mut(dstride).take(8) { - for i in 0..8 { - dline[i] = mc_filter!(bicubic; src, soff + i, 1, coeffs_w); - } - soff += sstride; - } - } else if coeffs_w[1] == 128 { // horizontal-only interpolation - for dline in dst.chunks_mut(dstride).take(8) { - for i in 0..8 { - dline[i] = mc_filter!(bicubic; src, soff + i, sstride, coeffs_h); - } - soff += sstride; - } - } else { - let mut buf = [0u8; 16 * 11]; - soff -= sstride; - for dline in buf.chunks_mut(16) { - for i in 0..8 { - dline[i] = mc_filter!(bicubic; src, soff + i, 1, coeffs_w); - } - soff += sstride; - } - let mut soff = 16; - for dline in dst.chunks_mut(dstride).take(8) { - for i in 0..8 { - dline[i] = mc_filter!(bicubic; buf, soff + i, 16, coeffs_h); - } - soff += 16; - } - } -} - struct VP6Decoder { dec: VP56Decoder, info: NACodecInfoRef, br: VP6BR, has_alpha: bool, + flipped: bool, } impl VP6Decoder { - fn new(has_alpha: bool) -> Self { + fn new(flipped: bool, has_alpha: bool) -> Self { Self { - dec: VP56Decoder::new(6, has_alpha, true), + dec: VP56Decoder::new(6, has_alpha, flipped), info: NACodecInfoRef::default(), br: VP6BR::new(), has_alpha, + flipped, } } } @@ -687,16 +498,18 @@ impl NADecoder for VP6Decoder { let fmt = if !self.has_alpha { YUV420_FORMAT } else { - NAPixelFormaton::new(ColorModel::YUV(YUVSubmodel::YUVJ), - Some(NAPixelChromaton::new(0, 0, false, 8, 0, 0, 1)), - Some(NAPixelChromaton::new(1, 1, false, 8, 0, 1, 1)), - Some(NAPixelChromaton::new(1, 1, false, 8, 0, 2, 1)), - Some(NAPixelChromaton::new(0, 0, false, 8, 0, 3, 1)), - None, - 0, 4) + VP_YUVA420_FORMAT }; - let myvinfo = NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, fmt); - let myinfo = NACodecTypeInfo::Video(myvinfo.clone()); + let mut width = vinfo.get_width(); + let mut height = vinfo.get_height(); + if let (false, Some(edta)) = (self.flipped, info.get_extradata()) { + if (width & 0xF) == 0 && (height & 0xF) == 0 { + width -= usize::from(edta[0] >> 4); + height -= usize::from(edta[0] & 0xF); + } + } + let myvinfo = NAVideoInfo::new(width, height, self.flipped, fmt); + let myinfo = NACodecTypeInfo::Video(myvinfo); self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref(); self.dec.init(supp, myvinfo)?; Ok(()) @@ -719,265 +532,95 @@ impl NADecoder for VP6Decoder { } } -pub fn get_decoder_vp6() -> Box { - Box::new(VP6Decoder::new(false)) +impl NAOptionHandler for VP6Decoder { + fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } + fn set_options(&mut self, _options: &[NAOption]) { } + fn query_option_value(&self, _name: &str) -> Option { None } } -pub fn get_decoder_vp6_alpha() -> Box { - Box::new(VP6Decoder::new(true)) +pub fn get_decoder_vp6() -> Box { + Box::new(VP6Decoder::new(true, false)) +} + +pub fn get_decoder_vp6f() -> Box { + Box::new(VP6Decoder::new(false, false)) +} + +pub fn get_decoder_vp6_alpha() -> Box { + Box::new(VP6Decoder::new(false, true)) } #[cfg(test)] mod test { use nihav_core::codecs::RegisteredDecoders; use nihav_core::demuxers::RegisteredDemuxers; - use nihav_core::test::dec_video::*; - use crate::codecs::duck_register_all_codecs; - use nihav_commonfmt::demuxers::generic_register_all_demuxers; + use nihav_codec_support::test::dec_video::*; + use crate::duck_register_all_decoders; + use nihav_commonfmt::generic_register_all_demuxers; #[test] fn test_vp6() { 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); - - //let file = "assets/Duck/predator2_vp60.avi"; - //let file = "assets/Duck/predator2_vp61.avi"; - //let file = "assets/Duck/vp6_crash.avi"; - let file = "assets/Duck/vp6_interlaced.avi"; - //let file = "assets/Duck/vp6_vid.avi"; - //let file = "assets/Duck/selection_720x576_300kBit_vp60i.avi"; - //let file = "assets/Duck/selection_720x576_300kBit_flipped_vp60i.avi"; - test_file_decoding("avi", file, Some(17), true, false, None/*Some("vp6")*/, &dmx_reg, &dec_reg); -//panic!("end"); + duck_register_all_decoders(&mut dec_reg); + + // sample from a private collection + test_decoding("avi", "vp6", "assets/Duck/selection_720x576_300kBit_vp60i.avi", Some(16), + &dmx_reg, &dec_reg, + ExpectedTestResult::MD5([0x042c3e96, 0x8a9b26a2, 0x4dcbaf66, 0x1b788d03])); + } + #[test] + fn test_vp6_huff() { + let mut dmx_reg = RegisteredDemuxers::new(); + generic_register_all_demuxers(&mut dmx_reg); + let mut dec_reg = RegisteredDecoders::new(); + duck_register_all_decoders(&mut dec_reg); + + // sample: https://samples.mplayerhq.hu/V-codecs/VP6/vp6_crash.avi + test_decoding("avi", "vp6", "assets/Duck/vp6_crash.avi", Some(4), + &dmx_reg, &dec_reg, ExpectedTestResult::MD5Frames(vec![ + [0xdcd70fa0, 0x0d075ce2, 0xc9e65077, 0xb003a92e], + [0x334abf96, 0x3a004c7a, 0x5781cd5c, 0x25c3ae5c], + [0x6164b851, 0x528cd8de, 0xecab7328, 0x4b49708a], + [0x11b048ac, 0xedb3e471, 0xd04e9399, 0x64e623e3], + [0x182871b1, 0x2146893a, 0x2912210e, 0x6dd592e8]])); + } + #[test] + fn test_vp6_alpha() { + let mut dmx_reg = RegisteredDemuxers::new(); + generic_register_all_demuxers(&mut dmx_reg); + let mut dec_reg = RegisteredDecoders::new(); + duck_register_all_decoders(&mut dec_reg); + + // sample created by remuxing some VP6A in FLV + test_decoding("avi", "vp6a", "assets/Duck/vp6a.avi", Some(25), + &dmx_reg, &dec_reg, ExpectedTestResult::MD5Frames(vec![ + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xaf903d79, 0x17ddb3c7, 0xf0a381e8, 0x26b36a7d], + [0xd3801a96, 0x1b5384ff, 0x422b228c, 0x9c4582c4], + [0x8ddb0dfe, 0x302eb1ed, 0x10e64e22, 0x5a5a62b9], + [0x79338328, 0x06113781, 0x8b116d18, 0xde56707e], + [0xdb58433b, 0x1de4ce67, 0x15fcbcee, 0x1df9de61]])); } } - -const VP6_AC_PROBS: [[[[u8; 11]; 6]; 2]; 3] = [ - [ - [ - [ 227, 246, 230, 247, 244, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 209, 231, 231, 249, 249, 253, 255, 255, 255 ], - [ 255, 255, 225, 242, 241, 251, 253, 255, 255, 255, 255 ], - [ 255, 255, 241, 253, 252, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] - ], [ - [ 240, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 240, 253, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] - ] - ], [ - [ - [ 206, 203, 227, 239, 247, 255, 253, 255, 255, 255, 255 ], - [ 207, 199, 220, 236, 243, 252, 252, 255, 255, 255, 255 ], - [ 212, 219, 230, 243, 244, 253, 252, 255, 255, 255, 255 ], - [ 236, 237, 247, 252, 253, 255, 255, 255, 255, 255, 255 ], - [ 240, 240, 248, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] - ], [ - [ 230, 233, 249, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 238, 238, 250, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 248, 251, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] - ] - ], [ - [ - [ 225, 239, 227, 231, 244, 253, 243, 255, 255, 253, 255 ], - [ 232, 234, 224, 228, 242, 249, 242, 252, 251, 251, 255 ], - [ 235, 249, 238, 240, 251, 255, 249, 255, 253, 253, 255 ], - [ 249, 253, 251, 250, 255, 255, 255, 255, 255, 255, 255 ], - [ 251, 250, 249, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] - ], [ - [ 243, 244, 250, 250, 255, 255, 255, 255, 255, 255, 255 ], - [ 249, 248, 250, 253, 255, 255, 255, 255, 255, 255, 255 ], - [ 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ], - [ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 ] - ] - ] -]; - -const VP6_DC_WEIGHTS: [[[i16; 2]; 3]; 5] = [ - [ [ 122, 133 ], [ 133, 51 ], [ 142, -16 ] ], - [ [ 0, 1 ], [ 0, 1 ], [ 0, 1 ] ], - [ [ 78, 171 ], [ 169, 71 ], [ 221, -30 ] ], - [ [ 139, 117 ], [ 214, 44 ], [ 246, -3 ] ], - [ [ 168, 79 ], [ 210, 38 ], [ 203, 17 ] ] -]; - -const VP6_IDX_TO_AC_BAND: [usize; 64] = [ - 0, 0, 1, 1, 1, 2, 2, 2, - 2, 2, 2, 3, 3, 3, 3, 3, - 3, 3, 3, 3, 3, 3, 4, 4, - 4, 4, 4, 4, 4, 4, 4, 4, - 4, 4, 4, 4, 4, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5 -]; - -const VP6_BICUBIC_COEFFS: [[[i16; 4]; 8]; 17] = [ - [ - [ 0, 128, 0, 0 ], - [ -3, 122, 9, 0 ], - [ -4, 109, 24, -1 ], - [ -5, 91, 45, -3 ], - [ -4, 68, 68, -4 ], - [ -3, 45, 91, -5 ], - [ -1, 24, 109, -4 ], - [ 0, 9, 122, -3 ] - ], [ - [ 0, 128, 0, 0 ], - [ -4, 124, 9, -1 ], - [ -5, 110, 25, -2 ], - [ -6, 91, 46, -3 ], - [ -5, 69, 69, -5 ], - [ -3, 46, 91, -6 ], - [ -2, 25, 110, -5 ], - [ -1, 9, 124, -4 ] - ], [ - [ 0, 128, 0, 0 ], - [ -4, 123, 10, -1 ], - [ -6, 110, 26, -2 ], - [ -7, 92, 47, -4 ], - [ -6, 70, 70, -6 ], - [ -4, 47, 92, -7 ], - [ -2, 26, 110, -6 ], - [ -1, 10, 123, -4 ] - ], [ - [ 0, 128, 0, 0 ], - [ -5, 124, 10, -1 ], - [ -7, 110, 27, -2 ], - [ -7, 91, 48, -4 ], - [ -6, 70, 70, -6 ], - [ -4, 48, 92, -8 ], - [ -2, 27, 110, -7 ], - [ -1, 10, 124, -5 ] - ], [ - [ 0, 128, 0, 0 ], - [ -6, 124, 11, -1 ], - [ -8, 111, 28, -3 ], - [ -8, 92, 49, -5 ], - [ -7, 71, 71, -7 ], - [ -5, 49, 92, -8 ], - [ -3, 28, 111, -8 ], - [ -1, 11, 124, -6 ] - ], [ - [ 0, 128, 0, 0 ], - [ -6, 123, 12, -1 ], - [ -9, 111, 29, -3 ], - [ -9, 93, 50, -6 ], - [ -8, 72, 72, -8 ], - [ -6, 50, 93, -9 ], - [ -3, 29, 111, -9 ], - [ -1, 12, 123, -6 ] - ], [ - [ 0, 128, 0, 0 ], - [ -7, 124, 12, -1 ], - [ -10, 111, 30, -3 ], - [ -10, 93, 51, -6 ], - [ -9, 73, 73, -9 ], - [ -6, 51, 93, -10 ], - [ -3, 30, 111, -10 ], - [ -1, 12, 124, -7 ] - ], [ - [ 0, 128, 0, 0 ], - [ -7, 123, 13, -1 ], - [ -11, 112, 31, -4 ], - [ -11, 94, 52, -7 ], - [ -10, 74, 74, -10 ], - [ -7, 52, 94, -11 ], - [ -4, 31, 112, -11 ], - [ -1, 13, 123, -7 ] - ], [ - [ 0, 128, 0, 0 ], - [ -8, 124, 13, -1 ], - [ -12, 112, 32, -4 ], - [ -12, 94, 53, -7 ], - [ -10, 74, 74, -10 ], - [ -7, 53, 94, -12 ], - [ -4, 32, 112, -12 ], - [ -1, 13, 124, -8 ] - ], [ - [ 0, 128, 0, 0 ], - [ -9, 124, 14, -1 ], - [ -13, 112, 33, -4 ], - [ -13, 95, 54, -8 ], - [ -11, 75, 75, -11 ], - [ -8, 54, 95, -13 ], - [ -4, 33, 112, -13 ], - [ -1, 14, 124, -9 ] - ], [ - [ 0, 128, 0, 0 ], - [ -9, 123, 15, -1 ], - [ -14, 113, 34, -5 ], - [ -14, 95, 55, -8 ], - [ -12, 76, 76, -12 ], - [ -8, 55, 95, -14 ], - [ -5, 34, 112, -13 ], - [ -1, 15, 123, -9 ] - ], [ - [ 0, 128, 0, 0 ], - [ -10, 124, 15, -1 ], - [ -14, 113, 34, -5 ], - [ -15, 96, 56, -9 ], - [ -13, 77, 77, -13 ], - [ -9, 56, 96, -15 ], - [ -5, 34, 113, -14 ], - [ -1, 15, 124, -10 ] - ], [ - [ 0, 128, 0, 0 ], - [ -10, 123, 16, -1 ], - [ -15, 113, 35, -5 ], - [ -16, 98, 56, -10 ], - [ -14, 78, 78, -14 ], - [ -10, 56, 98, -16 ], - [ -5, 35, 113, -15 ], - [ -1, 16, 123, -10 ] - ], [ - [ 0, 128, 0, 0 ], - [ -11, 124, 17, -2 ], - [ -16, 113, 36, -5 ], - [ -17, 98, 57, -10 ], - [ -14, 78, 78, -14 ], - [ -10, 57, 98, -17 ], - [ -5, 36, 113, -16 ], - [ -2, 17, 124, -11 ] - ], [ - [ 0, 128, 0, 0 ], - [ -12, 125, 17, -2 ], - [ -17, 114, 37, -6 ], - [ -18, 99, 58, -11 ], - [ -15, 79, 79, -15 ], - [ -11, 58, 99, -18 ], - [ -6, 37, 114, -17 ], - [ -2, 17, 125, -12 ] - ], [ - [ 0, 128, 0, 0 ], - [ -12, 124, 18, -2 ], - [ -18, 114, 38, -6 ], - [ -19, 99, 59, -11 ], - [ -16, 80, 80, -16 ], - [ -11, 59, 99, -19 ], - [ -6, 38, 114, -18 ], - [ -2, 18, 124, -12 ] - ], [ - [ 0, 128, 0, 0 ], - [ -4, 118, 16, -2 ], - [ -7, 106, 34, -5 ], - [ -8, 90, 53, -7 ], - [ -8, 72, 72, -8 ], - [ -7, 53, 90, -8 ], - [ -5, 34, 106, -7 ], - [ -2, 16, 118, -4 ] - ] -];