From: Kostya Shishkov Date: Mon, 9 Mar 2020 17:47:36 +0000 (+0100) Subject: MidiVid 3 decoder X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;h=f42a4a86db8836b89b8cc1411cf506bbc4dde3f8;p=nihav.git MidiVid 3 decoder --- diff --git a/nihav-game/Cargo.toml b/nihav-game/Cargo.toml index b52dabb..0accbc3 100644 --- a/nihav-game/Cargo.toml +++ b/nihav-game/Cargo.toml @@ -27,11 +27,12 @@ demuxer_vmd = ["demuxers"] all_decoders = ["all_video_decoders", "all_audio_decoders"] decoders = [] -all_video_decoders = ["decoder_bmv", "decoder_bmv3", "decoder_gdvvid", "decoder_midivid", "decoder_vmd"] +all_video_decoders = ["decoder_bmv", "decoder_bmv3", "decoder_gdvvid", "decoder_midivid", "decoder_midivid3", "decoder_vmd"] decoder_bmv = ["decoders"] decoder_bmv3 = ["decoders"] decoder_gdvvid = ["decoders"] decoder_midivid = ["decoders"] +decoder_midivid3 = ["decoders"] decoder_vmd = ["decoders"] all_audio_decoders = [] diff --git a/nihav-game/src/codecs/midivid3.rs b/nihav-game/src/codecs/midivid3.rs new file mode 100644 index 0000000..da6b628 --- /dev/null +++ b/nihav-game/src/codecs/midivid3.rs @@ -0,0 +1,595 @@ +use nihav_core::codecs::*; +use nihav_core::io::byteio::*; +use nihav_core::io::bitreader::*; +use nihav_core::io::codebook::*; +use nihav_codec_support::codecs::IPShuffler; + +const COEFFS_PER_BLOCK: [usize; 4] = [0, 1, 4, 64]; + +struct BlockTypeReader<'a> { + src: &'a [u8], + pos: usize, + bpos: usize, +} + +impl<'a> BlockTypeReader<'a> { + fn read_block_type(&mut self) -> DecoderResult { + if self.pos >= self.src.len() { + return Err(DecoderError::ShortData); + } + let btype = (self.src[self.pos] >> self.bpos) & 3; + self.bpos += 2; + if self.bpos == 8 { + self.bpos = 0; + self.pos += 1; + } + Ok(btype as usize) + } +} + +struct MaskReader<'a> { + src: &'a [u8], + pos: usize, + bpos: usize, +} + +impl<'a> MaskReader<'a> { + fn read_type(&mut self) -> DecoderResult<(bool, bool)> { + if self.pos >= self.src.len() { + return Err(DecoderError::ShortData); + } + let is_intra = ((self.src[self.pos] >> self.bpos) & 1) == 0; + let has_residue = ((self.src[self.pos] >> (self.bpos + 4)) & 1) == 0; + self.bpos += 1; + if self.bpos == 4 { + self.bpos = 0; + self.pos += 1; + } + Ok((is_intra, has_residue)) + } +} + +struct Midivid3Decoder { + info: NACodecInfoRef, + shuf: IPShuffler, + cb: Codebook, + width: usize, + height: usize, + num_mbs: usize, + coeffs: [i16; 65536], + mvs: Vec, + qmat_y_intra: [i16; 64], + qmat_c_intra: [i16; 64], + qmat_y_inter: [i16; 64], + qmat_c_inter: [i16; 64], +} + +impl Midivid3Decoder { + fn new() -> Self { + let mut cr = ShortCodebookDescReader::new(vec![ + ShortCodebookDesc { code: 0b00, bits: 2 }, + ShortCodebookDesc { code: 0b01, bits: 2 }, + ShortCodebookDesc { code: 0b100, bits: 3 }, + ShortCodebookDesc { code: 0b101, bits: 3 }, + ShortCodebookDesc { code: 0b110, bits: 3 }, + ShortCodebookDesc { code: 0b1110, bits: 4 }, + ShortCodebookDesc { code: 0b11110, bits: 5 }, + ShortCodebookDesc { code: 0b111110, bits: 6 }, + ShortCodebookDesc { code: 0b1111110, bits: 7 }, + ShortCodebookDesc { code: 0b11111110, bits: 8 }, + ShortCodebookDesc { code: 0b111111110, bits: 9 }, + ShortCodebookDesc { code: 0b111111111, bits: 9 } + ]); + let cb = Codebook::new(&mut cr, CodebookMode::MSB).unwrap(); + Midivid3Decoder { + info: NACodecInfoRef::default(), + shuf: IPShuffler::default(), + cb, + width: 0, height: 0, num_mbs: 0, + coeffs: [0; 65536], + mvs: Vec::new(), + qmat_y_intra: [0; 64], + qmat_c_intra: [0; 64], + qmat_y_inter: [0; 64], + qmat_c_inter: [0; 64], + } + } + fn decode_intra(&mut self, frm: &mut NASimpleVideoFrame, bt_reader: &mut BlockTypeReader, br: &mut BitReader) -> DecoderResult<()> { + let mut ydst = frm.offset[0]; + let mut udst = frm.offset[1]; + let mut vdst = frm.offset[2]; + for _y in (0..self.height).step_by(16) { + let mut ydc = 0; + let mut udc = 0; + let mut vdc = 0; + let ncoeffs = br.read(16)? as usize; + decode_values(br, &mut self.coeffs[..ncoeffs], &self.cb)?; + let mut cpos = 0; + for x in (0..self.width).step_by(16) { + for blk in 0..4 { + let btype = bt_reader.read_block_type()?; + let nc = COEFFS_PER_BLOCK[btype]; + validate!(cpos + nc <= ncoeffs); + let cur_off = x + (blk & 1) * 8 + (blk & 2) * 4 * frm.stride[0]; + if btype != 0 { + self.coeffs[cpos] += ydc; + ydc = self.coeffs[cpos]; + } + decode_block_intra(&mut frm.data[ydst + cur_off..], frm.stride[0], btype, &self.coeffs[cpos..], &self.qmat_y_intra); + cpos += nc; + } + let btype = bt_reader.read_block_type()?; + let nc = COEFFS_PER_BLOCK[btype]; + validate!(cpos + nc <= ncoeffs); + if btype != 0 { + self.coeffs[cpos] += udc; + udc = self.coeffs[cpos]; + } + decode_block_intra(&mut frm.data[udst + x / 2..], frm.stride[1], btype, &self.coeffs[cpos..], &self.qmat_c_intra); + cpos += nc; + let btype = bt_reader.read_block_type()?; + let nc = COEFFS_PER_BLOCK[btype]; + validate!(cpos + nc <= ncoeffs); + if btype != 0 { + self.coeffs[cpos] += vdc; + vdc = self.coeffs[cpos]; + } + decode_block_intra(&mut frm.data[vdst + x / 2..], frm.stride[2], btype, &self.coeffs[cpos..], &self.qmat_c_intra); + cpos += nc; + } + ydst += frm.stride[0] * 16; + udst += frm.stride[1] * 8; + vdst += frm.stride[2] * 8; + } + Ok(()) + } + fn decode_inter(&mut self, frm: &mut NASimpleVideoFrame, mask_reader: &mut MaskReader, bt_reader: &mut BlockTypeReader, br: &mut BitReader, num_mvs: usize) -> DecoderResult<()> { + let ref_frm = self.shuf.get_ref(); + if ref_frm.is_none() { + return Err(DecoderError::MissingReference); + } + let ref_frm = ref_frm.unwrap(); + + decode_values(br, &mut self.mvs[..num_mvs * 2], &self.cb)?; + + let mut ydst = frm.offset[0]; + let mut udst = frm.offset[1]; + let mut vdst = frm.offset[2]; + let mut cur_mv = 0; + for y in (0..self.height).step_by(16) { + let mut ydc = 0; + let mut udc = 0; + let mut vdc = 0; + let ncoeffs = br.read(16)? as usize; + let pred_mbs = br.read(8)? as usize; + decode_values(br, &mut self.coeffs[..ncoeffs], &self.cb)?; + let mut cpos = 0; + let mut cur_mb = 0; + for x in (0..self.width).step_by(16) { + let (is_intra, has_residue) = mask_reader.read_type()?; + if is_intra { + for blk in 0..4 { + let btype = bt_reader.read_block_type()?; + let nc = COEFFS_PER_BLOCK[btype]; + validate!(cpos + nc <= ncoeffs); + if (btype != 0) && (cur_mb < pred_mbs) { + self.coeffs[cpos] += ydc; + ydc = self.coeffs[cpos]; + } + let cur_off = x + (blk & 1) * 8 + (blk & 2) * 4 * frm.stride[0]; + decode_block_intra(&mut frm.data[ydst + cur_off..], frm.stride[0], btype, &self.coeffs[cpos..], &self.qmat_y_intra); + cpos += nc; + } + let btype = bt_reader.read_block_type()?; + let nc = COEFFS_PER_BLOCK[btype]; + validate!(cpos + nc <= ncoeffs); + if (btype != 0) && (cur_mb < pred_mbs) { + self.coeffs[cpos] += udc; + udc = self.coeffs[cpos]; + } + decode_block_intra(&mut frm.data[udst + x / 2..], frm.stride[1], btype, &self.coeffs[cpos..], &self.qmat_c_intra); + cpos += nc; + let btype = bt_reader.read_block_type()?; + let nc = COEFFS_PER_BLOCK[btype]; + validate!(cpos + nc <= ncoeffs); + if (btype != 0) && (cur_mb < pred_mbs) { + self.coeffs[cpos] += vdc; + vdc = self.coeffs[cpos]; + } + decode_block_intra(&mut frm.data[vdst + x / 2..], frm.stride[2], btype, &self.coeffs[cpos..], &self.qmat_c_intra); + cpos += nc; + } else { + validate!(cur_mv < num_mvs); + let mv_x = self.mvs[cur_mv * 2]; + let mv_y = self.mvs[cur_mv * 2 + 1]; + cur_mv += 1; + let src_x = (x as isize) + (mv_x as isize); + let src_y = (y as isize) + (mv_y as isize); + validate!(src_x >= 0 && src_x + 16 <= self.width as isize); + validate!(src_y >= 0 && src_y + 16 <= self.height as isize); + let sstride = ref_frm.get_stride(0); + let src = &ref_frm.get_data()[ref_frm.get_offset(0) + (src_x as usize) + (src_y as usize) * sstride..]; + let dst = &mut frm.data[ydst + x..]; + for (dst, src) in dst.chunks_mut(frm.stride[0]).zip(src.chunks(sstride)).take(16) { + (&mut dst[..16]).copy_from_slice(&src[..16]); + } + let xoff = (src_x as usize) >> 1; + let yoff = (src_y as usize) >> 1; + for plane in 1..3 { + let sstride = ref_frm.get_stride(plane); + let src = &ref_frm.get_data()[ref_frm.get_offset(plane) + xoff + yoff * sstride..]; + let dst = &mut frm.data[if plane == 1 { udst } else { vdst } + x / 2..]; + for (dst, src) in dst.chunks_mut(frm.stride[plane]).zip(src.chunks(sstride)).take(8) { + (&mut dst[..8]).copy_from_slice(&src[..8]); + } + } + if has_residue { + for blk in 0..4 { + let btype = bt_reader.read_block_type()?; + let nc = COEFFS_PER_BLOCK[btype]; + validate!(cpos + nc <= ncoeffs); + if (btype != 0) && (cur_mb < pred_mbs) { + self.coeffs[cpos] += ydc; + ydc = self.coeffs[cpos]; + } + let cur_off = x + (blk & 1) * 8 + (blk & 2) * 4 * frm.stride[0]; + decode_block_inter(&mut frm.data[ydst + cur_off..], frm.stride[0], btype, &self.coeffs[cpos..], &self.qmat_y_inter); + cpos += nc; + } + let btype = bt_reader.read_block_type()?; + let nc = COEFFS_PER_BLOCK[btype]; + validate!(cpos + nc <= ncoeffs); + if (btype != 0) && (cur_mb < pred_mbs) { + self.coeffs[cpos] += udc; + udc = self.coeffs[cpos]; + } + decode_block_inter(&mut frm.data[udst + x / 2..], frm.stride[1], btype, &self.coeffs[cpos..], &self.qmat_c_inter); + cpos += nc; + let btype = bt_reader.read_block_type()?; + let nc = COEFFS_PER_BLOCK[btype]; + validate!(cpos + nc <= ncoeffs); + if (btype != 0) && (cur_mb < pred_mbs) { + self.coeffs[cpos] += vdc; + vdc = self.coeffs[cpos]; + } + decode_block_inter(&mut frm.data[vdst + x / 2..], frm.stride[2], btype, &self.coeffs[cpos..], &self.qmat_c_inter); + cpos += nc; + } + } + if is_intra || has_residue { + cur_mb += 1; + } + } + ydst += frm.stride[0] * 16; + udst += frm.stride[1] * 8; + vdst += frm.stride[2] * 8; + } + Ok(()) + } +} + +fn decode_values(br: &mut BitReader, dst: &mut [i16], cb: &Codebook) -> DecoderResult<()> { + let mut zero_run = 0usize; + for el in dst.iter_mut() { + if zero_run > 0 { + *el = 0; + zero_run -= 1; + } else { + let val = br.read_cb(&cb)? as u8; + if val == 0 { + zero_run = if br.read_bool()? { + br.read(6)? as usize + 8 + } else { + br.read(3)? as usize + }; + *el = 0; + } else { + let sign = br.read_bool()?; + let abits = br.read(val - 1)? as i16; + *el = (1 << (val - 1)) + abits; + if sign { + *el = -*el; + } + } + } + } + Ok(()) +} + +fn dequant(val: i16, q: i16) -> i32 { + (val as i32) * (q as i32) +} + +fn scale_coef(val: i32, scale: i16) -> i32 { + ((val as i32) * (scale as i32)) >> 8 +} + +macro_rules! idct_1d { + ($c0: expr, $c1: expr, $c2: expr, $c3: expr, $c4: expr, $c5: expr, $c6: expr, $c7: expr) => { + let t0 = $c0 + $c4; + let t1 = $c0 - $c4; + let t2 = $c2 + $c6; + let t3 = scale_coef($c2 - $c6, 362) - t2; + let t4 = t0 + t2; + let t5 = t0 - t2; + let t6 = t1 + t3; + let t7 = t1 - t3; + let t8 = $c5 + $c3; + let t9 = $c5 - $c3; + let ta = $c1 + $c7; + let tb = $c1 - $c7; + let tc = t8 + ta; + let td = scale_coef(tb + t9, 473); + let te = scale_coef(t9, -669) - tc + td; + let tf = scale_coef(ta - t8, 362) - te; + let t10 = scale_coef(tb, 277) - td + tf; + $c0 = t4 + tc; + $c1 = t6 + te; + $c2 = t7 + tf; + $c3 = t5 - t10; + $c4 = t5 + t10; + $c5 = t7 - tf; + $c6 = t6 - te; + $c7 = t4 - tc; + } +} + +fn idct(blk: &mut [i32; 64]) { + for i in 0..8 { + idct_1d!(blk[i + 0 * 8], blk[i + 1 * 8], blk[i + 2 * 8], blk[i + 3 * 8], + blk[i + 4 * 8], blk[i + 5 * 8], blk[i + 6 * 8], blk[i + 7 * 8]); + } + for row in blk.chunks_mut(8) { + idct_1d!(row[0], row[1], row[2], row[3], row[4], row[5], row[6], row[7]); + } + for el in blk.iter_mut() { + *el = *el >> 5; + } +} + +fn decode_block_intra(dst: &mut [u8], stride: usize, btype: usize, coeffs: &[i16], qmat: &[i16; 64]) { + match btype { + 0 | 1 => { + let fill_val = if btype == 0 { 0x80 } else { + ((dequant(coeffs[0], qmat[0]) >> 5) + 128).max(0).min(255) as u8 + }; + for line in dst.chunks_mut(stride).take(8) { + for el in line.iter_mut().take(8) { + *el = fill_val; + } + } + }, + 2 => { + let mut blk = [0i32; 64]; + blk[0] = dequant(coeffs[0], qmat[0]); + blk[1] = dequant(coeffs[1], qmat[1]); + blk[8] = dequant(coeffs[2], qmat[8]); + blk[9] = dequant(coeffs[3], qmat[9]); + idct(&mut blk); + for (line, row) in dst.chunks_mut(stride).zip(blk.chunks(8)).take(8) { + for (dst, coef) in line.iter_mut().zip(row.iter()).take(8) { + *dst = (*coef + 128).max(0).min(255) as u8; + } + } + }, + _ => { + let mut blk = [0i32; 64]; + for i in 0..64 { + blk[SCAN[i]] = dequant(coeffs[i], qmat[SCAN[i]]); + } + idct(&mut blk); + for (line, row) in dst.chunks_mut(stride).zip(blk.chunks(8)).take(8) { + for (dst, coef) in line.iter_mut().zip(row.iter()).take(8) { + *dst = (*coef + 128).max(0).min(255) as u8; + } + } + }, + }; +} + +fn decode_block_inter(dst: &mut [u8], stride: usize, btype: usize, coeffs: &[i16], qmat: &[i16; 64]) { + match btype { + 0 => {} + 1 => { + let dc = dequant(coeffs[0], qmat[0]) >> 5; + for line in dst.chunks_mut(stride).take(8) { + for el in line.iter_mut().take(8) { + *el = ((*el as i32) + dc).max(0).min(255) as u8; + } + } + }, + 2 => { + let mut blk = [0i32; 64]; + blk[0] = dequant(coeffs[0], qmat[0]); + blk[1] = dequant(coeffs[1], qmat[1]); + blk[8] = dequant(coeffs[2], qmat[8]); + blk[9] = dequant(coeffs[3], qmat[9]); + idct(&mut blk); + for (line, row) in dst.chunks_mut(stride).zip(blk.chunks(8)).take(8) { + for (dst, coef) in line.iter_mut().zip(row.iter()).take(8) { + *dst = (*dst as i32 + *coef).max(0).min(255) as u8; + } + } + }, + _ => { + let mut blk = [0i32; 64]; + for i in 0..64 { + blk[SCAN[i]] = dequant(coeffs[i], qmat[SCAN[i]]); + } + idct(&mut blk); + for (line, row) in dst.chunks_mut(stride).zip(blk.chunks(8)).take(8) { + for (dst, coef) in line.iter_mut().zip(row.iter()).take(8) { + *dst = (*dst as i32 + *coef).max(0).min(255) as u8; + } + } + }, + }; +} + +fn init_quant(qmat: &mut [i16; 64], base_qmat: &[u8; 64], quant: u8) { + let q = if quant < 50 { + 5000 / (quant.max(1) as i32) + } else { + ((100 - quant.min(100)) * 2) as i32 + }; + for (inq, (outq, scale)) in base_qmat.iter().zip(qmat.iter_mut().zip(QUANT_MATRIX.iter())) { + let val = (((*inq as i32) * q + 50) / 100).max(1).min(0x7FFF); + *outq = ((val * (*scale as i32) + 0x800) >> 12) as i16; + } +} + +impl NADecoder for Midivid3Decoder { + fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> { + if let NACodecTypeInfo::Video(vinfo) = info.get_properties() { + self.width = vinfo.get_width(); + self.height = vinfo.get_height(); + let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(self.width, self.height, true, YUV420_FORMAT)); + self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref(); + self.num_mbs = ((self.width + 15) >> 4) * ((self.height + 15) >> 4); + self.mvs.resize(self.num_mbs * 2, 0); + + Ok(()) + } else { + Err(DecoderError::InvalidData) + } + } + fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult { + let src = pkt.get_buffer(); + validate!(src.len() > 8); + + let i_quant = src[0]; + let p_quant = i_quant.wrapping_add(src[1]); + let inter_flag = read_u16le(&src[2..])?; + validate!(inter_flag < 2); + let is_intra = inter_flag == 0; + + init_quant(&mut self.qmat_y_intra, &QUANT_MAT_LUMA, i_quant); + init_quant(&mut self.qmat_c_intra, &QUANT_MAT_CHROMA, i_quant); + init_quant(&mut self.qmat_y_inter, &QUANT_MAT_LUMA, p_quant); + init_quant(&mut self.qmat_c_inter, &QUANT_MAT_CHROMA, p_quant); + + let bufinfo = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 4)?; + let mut buf = bufinfo.get_vbuf().unwrap(); + + let mut frm = NASimpleVideoFrame::from_video_buf(&mut buf).unwrap(); + let bt_size = read_u16le(&src[4..])? as usize; + if is_intra { + validate!(bt_size + 6 <= src.len()); + + let bt_buf = if is_intra { &src[6..][..bt_size] } else { &src[8..][..bt_size] }; + let mut bt_reader = BlockTypeReader { src: bt_buf, pos: 0, bpos: 0 }; + let mut br = BitReader::new(&src[6 + bt_size..], BitReaderMode::BE); + + self.decode_intra(&mut frm, &mut bt_reader, &mut br)?; + } else { + let num_mvs = read_u16le(&src[6..])? as usize; + let mask_len = (self.num_mbs + 3) >> 2; + let data_start = 8 + bt_size + mask_len; + validate!(data_start <= src.len()); + validate!(num_mvs <= self.num_mbs); + + let bt_buf = &src[8 + mask_len..][..bt_size]; + let mask = &src[8..][..mask_len]; + let mut mask_reader = MaskReader { src: mask, pos: 0, bpos: 0 }; + let mut bt_reader = BlockTypeReader { src: bt_buf, pos: 0, bpos: 0 }; + let mut br = BitReader::new(&src[data_start..], BitReaderMode::BE); + + self.decode_inter(&mut frm, &mut mask_reader, &mut bt_reader, &mut br, num_mvs)?; + } + + self.shuf.add_frame(buf.clone()); + + let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf)); + frm.set_keyframe(is_intra); + frm.set_frame_type(if is_intra { FrameType::I } else { FrameType::P }); + Ok(frm.into_ref()) + } + fn flush(&mut self) { + self.shuf.clear(); + } +} + + +pub fn get_decoder_video() -> Box { + Box::new(Midivid3Decoder::new()) +} + +#[cfg(test)] +mod test { + use nihav_core::codecs::RegisteredDecoders; + use nihav_core::demuxers::RegisteredDemuxers; + use nihav_codec_support::test::dec_video::*; + use crate::game_register_all_codecs; + use nihav_commonfmt::generic_register_all_demuxers; + #[test] + fn test_midivid3_video() { + let mut dmx_reg = RegisteredDemuxers::new(); + generic_register_all_demuxers(&mut dmx_reg); + let mut dec_reg = RegisteredDecoders::new(); + game_register_all_codecs(&mut dec_reg); + + test_decoding("avi", "midivid3", "assets/Game/mv30.avi", Some(16), &dmx_reg, &dec_reg, + ExpectedTestResult::MD5Frames(vec![ + [0x0f4f2377, 0xe017458f, 0xebf6d59d, 0x238a3e64], + [0xdca83224, 0xbd2fd721, 0x954804c6, 0xaa38b1f3], + [0x35104196, 0xf96eacb5, 0x5d34910a, 0xb6dfde27], + [0x6106ddf6, 0xda75f5bf, 0x1eaeef52, 0xffbfbdb8], + [0xdd429c46, 0x4bc67009, 0xdc14d6e2, 0x816f7e4a], + [0xa58a19fa, 0x663edfc1, 0x12a89fe7, 0x7ffd8484], + [0xf4f2f0c5, 0x5479661c, 0x22839c5f, 0x8ff45232], + [0xb70cb7d9, 0x9c514449, 0xabb85bb4, 0x5b20d9d7], + [0xd65c33cc, 0xba03ff85, 0x615b3171, 0xfd16334f], + [0x13c5ffc3, 0x1e279df1, 0x48393c15, 0x394bfabe], + [0x169cb91a, 0x2a8f8a63, 0x995d53c2, 0x1123d5e9], + [0x26a8bc57, 0x3b8ba658, 0xb960ef85, 0xf4dbd720], + [0x13a405e9, 0x3fae3101, 0xee1c29f4, 0x3bf69d94], + [0x3d7b1b6b, 0x9026d717, 0x97e1c6c1, 0x4c6877a7], + [0x8f2f4b9a, 0x6afa65f3, 0x9b0e0173, 0x56725a4a], + [0x4b140176, 0x10ee87d5, 0x899e86fe, 0xb30fc404], + [0xb82892a1, 0x2eda670c, 0x7a130bb4, 0x810fc089]])); + } +} + +const QUANT_MAT_LUMA: [u8; 64] = [ + 12, 12, 15, 19, 25, 34, 40, 48, + 12, 12, 18, 22, 27, 44, 47, 46, + 17, 18, 21, 26, 35, 46, 52, 47, + 18, 20, 24, 28, 40, 61, 59, 51, + 20, 24, 32, 43, 50, 72, 72, 63, + 25, 31, 42, 48, 58, 72, 81, 75, + 38, 46, 54, 61, 71, 84, 88, 85, + 50, 61, 65, 68, 79, 78, 86, 91 +]; + +const QUANT_MAT_CHROMA: [u8; 64] = [ + 12, 16, 24, 47, 99, 99, 99, 99, + 16, 21, 26, 66, 99, 99, 99, 99, + 24, 26, 56, 99, 99, 99, 99, 99, + 47, 66, 99, 99, 99, 99, 99, 99, + 99, 99, 99, 99, 99, 99, 99, 99, + 99, 99, 99, 99, 99, 99, 99, 99, + 99, 99, 99, 99, 99, 99, 99, 99, + 99, 99, 99, 99, 99, 99, 99, 99 +]; + +const QUANT_MATRIX: [i16; 64] = [ + 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, + 22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270, + 21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906, + 19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315, + 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, + 12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552, + 8867, 12299, 11585, 10426, 8867, 6967, 4799, 2446, + 4520, 6270, 5906, 5315, 4520, 3552, 2446, 1247 +]; + +const SCAN: [usize; 64] = [ + 0, 1, 8, 9, 16, 2, 3, 10, + 17, 24, 32, 25, 18, 11, 4, 5, + 12, 19, 26, 33, 40, 48, 41, 34, + 27, 20, 13, 6, 7, 14, 21, 28, + 35, 42, 49, 56, 57, 50, 43, 36, + 29, 22, 15, 23, 30, 37, 44, 51, + 58, 59, 52, 45, 38, 31, 39, 46, + 53, 60, 61, 54, 47, 55, 62, 63 +]; diff --git a/nihav-game/src/codecs/mod.rs b/nihav-game/src/codecs/mod.rs index a3d5555..8e163ba 100644 --- a/nihav-game/src/codecs/mod.rs +++ b/nihav-game/src/codecs/mod.rs @@ -12,6 +12,8 @@ pub mod bmv3; pub mod gremlinvideo; #[cfg(feature="decoder_midivid")] pub mod midivid; +#[cfg(feature="decoder_midivid3")] +pub mod midivid3; #[cfg(feature="decoder_vmd")] pub mod vmd; @@ -34,6 +36,8 @@ const GAME_CODECS: &[DecoderInfo] = &[ DecoderInfo { name: "vmd-video", get_decoder: vmd::get_decoder_video }, #[cfg(feature="decoder_midivid")] DecoderInfo { name: "midivid", get_decoder: midivid::get_decoder_video }, +#[cfg(feature="decoder_midivid3")] + DecoderInfo { name: "midivid3", get_decoder: midivid3::get_decoder_video }, ]; /// Registers all available codecs provided by this crate.