X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fvp6.rs;h=08ebb87689a95efa806d276ee3ed1f2a49334226;hb=c9c5dcb10719920f3e5502e33e3ff224ae268e13;hp=97986340a06ab5bc2e464da1280f6f73c7b71b84;hpb=93bbc2b0582d4199cef6642924dca7c95bfe135a;p=nihav.git diff --git a/nihav-duck/src/codecs/vp6.rs b/nihav-duck/src/codecs/vp6.rs index 9798634..08ebb87 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 nihav_codec_support::codecs::blockdsp::edge_emu; 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::*; #[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; @@ -56,6 +51,7 @@ impl VP56Parser for VP6BR { 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); @@ -109,8 +105,6 @@ 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], @@ -138,20 +132,6 @@ 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; @@ -162,17 +142,6 @@ 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(); @@ -198,29 +167,10 @@ 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 { @@ -231,7 +181,7 @@ 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; } } @@ -242,7 +192,7 @@ 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(); } } @@ -360,7 +310,7 @@ 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; @@ -394,7 +344,7 @@ 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]; @@ -422,27 +372,6 @@ 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 { @@ -492,20 +421,19 @@ 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)) @@ -545,7 +473,7 @@ fn decode_zero_run_huff(br: &mut BitReader, huff: &VP6Huff) -> DecoderResult, comp: usize, dx: usize, dy: usize, mv_x: i16, mv_y: i16) { @@ -556,7 +484,7 @@ fn get_block(dst: &mut [u8], dstride: usize, src: NAVideoBufferRef, comp: us 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); + dst, dstride, comp, 0); } else { let sstride = src.get_stride(comp); let soff = src.get_offset(comp); @@ -565,9 +493,7 @@ fn get_block(dst: &mut [u8], dstride: usize, src: NAVideoBufferRef, comp: us 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]; - } + dline[..12].copy_from_slice(&sline[..12]); } } } @@ -577,7 +503,7 @@ fn calc_variance(src: &[u8], stride: usize) -> u16 { 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; + let pix = u32::from(*el); sum += pix; ssum += pix * pix; } @@ -587,13 +513,13 @@ fn calc_variance(src: &[u8], stride: usize) -> u16 { macro_rules! mc_filter { (bilinear; $a: expr, $b: expr, $c: expr) => { - ((($a as u16) * (8 - $c) + ($b as u16) * $c + 4) >> 3) as u8 + ((u16::from($a) * (8 - $c) + u16::from($b) * $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 + ((i32::from($src[$off - $step] ) * i32::from($coeffs[0]) + + i32::from($src[$off] ) * i32::from($coeffs[1]) + + i32::from($src[$off + $step] ) * i32::from($coeffs[2]) + + i32::from($src[$off + $step * 2]) * i32::from($coeffs[3]) + 64) >> 7).min(255).max(0) as u8 } } @@ -630,6 +556,7 @@ fn mc_bilinear(dst: &mut [u8], dstride: usize, src: &[u8], mut soff: usize, sstr } } +#[allow(clippy::trivially_copy_pass_by_ref)] 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) { @@ -691,7 +618,7 @@ impl NADecoder for VP6Decoder { VP_YUVA420_FORMAT }; let myvinfo = NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, fmt); - let myinfo = NACodecTypeInfo::Video(myvinfo.clone()); + 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(()) @@ -714,11 +641,17 @@ impl NADecoder for VP6Decoder { } } -pub fn get_decoder_vp6() -> Box { +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() -> Box { Box::new(VP6Decoder::new(false)) } -pub fn get_decoder_vp6_alpha() -> Box { +pub fn get_decoder_vp6_alpha() -> Box { Box::new(VP6Decoder::new(true)) } @@ -726,253 +659,70 @@ pub fn get_decoder_vp6_alpha() -> Box { 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); + + 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); + + 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); + + 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], + [0x671fa1b3, 0x0b3e41e9, 0xeb3a494c, 0xcdd24b1b]])); } } - -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 ] - ] -];