From: Kostya Shishkov Date: Sat, 4 Sep 2021 09:56:30 +0000 (+0200) Subject: vp6: split data into separate module X-Git-Url: https://git.nihav.org/?p=nihav.git;a=commitdiff_plain;h=01551716da227274258c42e4bea5ccabdc234eae vp6: split data into separate module --- diff --git a/nihav-duck/src/codecs/mod.rs b/nihav-duck/src/codecs/mod.rs index da702b4..8464c30 100644 --- a/nihav-duck/src/codecs/mod.rs +++ b/nihav-duck/src/codecs/mod.rs @@ -33,6 +33,8 @@ mod vp56; #[allow(clippy::needless_range_loop)] mod vp5; #[cfg(feature="decoder_vp6")] +mod vp6data; +#[cfg(feature="decoder_vp6")] #[allow(clippy::needless_range_loop)] mod vp6; #[cfg(feature="decoder_vp7")] diff --git a/nihav-duck/src/codecs/vp6.rs b/nihav-duck/src/codecs/vp6.rs index ca8946f..20491ed 100644 --- a/nihav-duck/src/codecs/vp6.rs +++ b/nihav-duck/src/codecs/vp6.rs @@ -4,13 +4,7 @@ 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 { @@ -110,8 +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], @@ -139,20 +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; @@ -163,17 +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(); @@ -199,29 +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 { @@ -232,7 +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; } } @@ -243,7 +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(); } } @@ -423,27 +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 { @@ -493,7 +420,6 @@ 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)), @@ -506,7 +432,7 @@ fn decode_token_huff(br: &mut BitReader, huff: &VP6Huff) -> DecoderResult<(i16, }, 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)) @@ -764,231 +690,3 @@ mod test { } // todo find good sample for vp6a test } - -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 ] - ] -]; diff --git a/nihav-duck/src/codecs/vp6data.rs b/nihav-duck/src/codecs/vp6data.rs new file mode 100644 index 0000000..762e5a0 --- /dev/null +++ b/nihav-duck/src/codecs/vp6data.rs @@ -0,0 +1,303 @@ +pub const VERSION_VP60: u8 = 6; +//pub const VERSION_VP61: u8 = 7; +pub const VERSION_VP62: u8 = 8; + +pub const VP6_SIMPLE_PROFILE: u8 = 0; +pub const VP6_ADVANCED_PROFILE: u8 = 3; + +pub const LONG_VECTOR_ORDER: [usize; 7] = [ 0, 1, 2, 7, 6, 5, 4 ]; + +pub const NZ_PROBS: [u8; 2] = [ 162, 164 ]; +pub const RAW_PROBS: [[u8; 8]; 2] = [ + [ 247, 210, 135, 68, 138, 220, 239, 246 ], + [ 244, 184, 201, 44, 173, 221, 239, 253 ] +]; +pub const TREE_PROBS: [[u8; 7]; 2] = [ + [ 225, 146, 172, 147, 214, 39, 156 ], + [ 204, 170, 119, 235, 140, 230, 228 ] +]; +pub 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 ] +]; + +pub const HAS_NZ_PROB: [u8; 2] = [ 237, 231 ]; +pub const HAS_SIGN_PROB: [u8; 2] = [ 246, 243 ]; +pub const HAS_TREE_PROB: [[u8; 7]; 2] = [ + [ 253, 253, 254, 254, 254, 254, 254 ], + [ 245, 253, 254, 254, 254, 254, 254 ] +]; +pub const HAS_RAW_PROB: [[u8; 8]; 2] = [ + [ 254, 254, 254, 254, 254, 250, 250, 252 ], + [ 254, 254, 254, 254, 254, 251, 251, 254 ] +]; + +pub const HAS_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 ] +]; +pub const HAS_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 +]; +pub const HAS_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 ] +]; + +pub 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 ] + ] + ] +]; + +pub 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 ] ] +]; + +pub 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 +]; + +pub 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 ] + ] +]; + +pub 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 +]; +pub 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 +]; + +pub const VP6_COEF_ADD_BITS: [u8; 6] = [ 1, 2, 3, 4, 5, 11 ];