-use nihav_core::codecs::*;
-
-pub fn get_decoder() -> Box<NADecoder> {
-unimplemented!();
-}
-
+use nihav_core::codecs::*;
+use nihav_core::io::byteio::*;
+use super::truemotion1data::*;
+
+struct MaskState<'a> {
+ is_intra: bool,
+ pos: usize,
+ row_pos: usize,
+ row_size: usize,
+ mask: u8,
+ src: &'a [u8],
+}
+
+impl<'a> MaskState<'a> {
+ fn new(is_intra: bool, src: &'a [u8], row_size: usize) -> Self {
+ Self { is_intra, src, pos: 0, row_pos: 0, row_size, mask: 0x01 }
+ }
+ fn get_next(&mut self) -> bool {
+ if self.is_intra {
+ true
+ } else {
+ let res = (self.src[self.pos] & self.mask) == 0;
+ self.mask <<= 1;
+ if self.mask == 0 {
+ self.pos += 1;
+ self.mask = 0x01;
+ }
+ res
+ }
+ }
+ fn reset_row(&mut self) {
+ self.pos = self.row_pos;
+ self.mask = 0x01;
+ }
+ fn next_row(&mut self) {
+ self.row_pos += self.row_size;
+ self.reset_row();
+ }
+}
+
+struct IndexState<'a> {
+ src: &'a [u8],
+ pos: usize,
+ vec_idx: usize,
+ vec_subidx: usize,
+}
+
+impl<'a> IndexState<'a> {
+ fn new(src: &'a [u8]) -> Self {
+ Self { src, pos: 0, vec_idx: 0, vec_subidx: 0 }
+ }
+ fn get_next(&mut self) -> DecoderResult<()> {
+ validate!(self.pos < self.src.len());
+ self.vec_idx = self.src[self.pos] as usize;
+ self.vec_subidx = 0;
+ self.pos += 1;
+ Ok(())
+ }
+ fn get_pred(&self, dtab: &[[u32; 4]; 256]) -> u32 { dtab[self.vec_idx][self.vec_subidx] }
+ fn get_diff16(&mut self, dtab: &[[u32; 4]; 256]) -> DecoderResult<u32> {
+ let pred1 = self.get_pred(dtab);
+ let mut pred = pred1 >> 1;
+ if (pred1 & 1) != 0 {
+ self.get_next()?;
+ if self.vec_idx == 0 {
+ self.get_next()?;
+ let pred2 = self.get_pred(dtab);
+ pred = pred.wrapping_add((pred2 >> 1).wrapping_mul(5));
+ if (pred2 & 1) != 0 {
+ self.get_next()?;
+ } else {
+ self.vec_subidx += 1;
+ }
+ }
+ } else {
+ self.vec_subidx += 1;
+ }
+ Ok(pred)
+ }
+ fn get_diff16_noesc(&mut self, dtab: &[[u32; 4]; 256]) -> DecoderResult<u32> {
+ let pred1 = self.get_pred(dtab);
+ let pred = pred1 >> 1;
+ if (pred1 & 1) != 0 {
+ self.get_next()?;
+ } else {
+ self.vec_subidx += 1;
+ }
+ Ok(pred)
+ }
+ fn get_diff24(&mut self, dtab: &[[u32; 4]; 256], esctab: &[[u32; 4]; 256]) -> DecoderResult<u32> {
+ let pred1 = self.get_pred(dtab);
+ let mut pred = pred1 >> 1;
+ if (pred1 & 1) != 0 {
+ self.get_next()?;
+ if self.vec_idx == 0 {
+ self.get_next()?;
+ let pred2 = self.get_pred(esctab);
+ pred = pred.wrapping_add(pred2 >> 1);
+ if (pred2 & 1) != 0 {
+ self.get_next()?;
+ } else {
+ self.vec_subidx += 1;
+ }
+ }
+ } else {
+ self.vec_subidx += 1;
+ }
+ Ok(pred)
+ }
+}
+
+struct DeltaTables {
+ ydt: [[u32; 4]; 256],
+ cdt: [[u32; 4]; 256],
+ fat_ydt: [[u32; 4]; 256],
+ fat_cdt: [[u32; 4]; 256],
+ adt: [[u32; 4]; 256],
+}
+
+impl Default for DeltaTables {
+ fn default() -> Self {
+ Self {
+ ydt: [[0; 4]; 256],
+ cdt: [[0; 4]; 256],
+ fat_ydt: [[0; 4]; 256],
+ fat_cdt: [[0; 4]; 256],
+ adt: [[0; 4]; 256],
+ }
+ }
+}
+
+#[derive(Default)]
+struct FrameBuf {
+ last16: Option<NAVideoBufferRef<u16>>,
+ last24: Option<NAVideoBufferRef<u8>>,
+}
+
+impl FrameBuf {
+ fn set16(&mut self, buf: NAVideoBufferRef<u16>) { self.last16 = Some(buf); }
+ fn set24(&mut self, buf: NAVideoBufferRef<u8>) { self.last24 = Some(buf); }
+ fn get16(&mut self) -> Option<NAVideoBufferRef<u16>> {
+ if let Some(ref mut frm) = self.last16 {
+ let newfrm = frm.copy_buffer();
+ *frm = newfrm.clone().into_ref();
+ Some(newfrm.into_ref())
+ } else {
+ None
+ }
+ }
+ fn get24(&mut self) -> Option<NAVideoBufferRef<u8>> {
+ if let Some(ref mut frm) = self.last24 {
+ let newfrm = frm.copy_buffer();
+ *frm = newfrm.clone().into_ref();
+ Some(newfrm.into_ref())
+ } else {
+ None
+ }
+ }
+ fn reset(&mut self) {
+ self.last16 = None;
+ self.last24 = None;
+ }
+}
+
+#[derive(Default)]
+struct TM1Decoder {
+ info: NACodecInfoRef,
+ last_delta_set: usize,
+ last_table_idx: usize,
+ delta_tables: DeltaTables,
+ blk_w: usize,
+ blk_h: usize,
+ vert_pred: Vec<u32>,
+ lastframe: FrameBuf,
+}
+
+impl TM1Decoder {
+ fn new() -> Self { Self::default() }
+ fn set_delta_tables(&mut self, delta_set: usize, table_idx: usize, is_24bit: bool) {
+ if (self.last_delta_set == delta_set) && (self.last_table_idx == table_idx) { return; }
+ let ydt = &DUCK_Y_DELTAS[delta_set];
+ let yfdt = DUCK_Y_FAT_DELTAS[delta_set];
+ let cdt = &DUCK_C_DELTAS[delta_set];
+ let cfdt = DUCK_C_FAT_DELTAS[delta_set];
+ let vec = DUCK_VECTABLES[table_idx - 1];
+
+ let mut vec_iter = vec.iter();
+ for i in 0..256 {
+ let len = (*vec_iter.next().unwrap() as usize) >> 1;
+ for j in 0..len {
+ let pair = vec_iter.next().unwrap();
+ let lo = (pair >> 4) as usize;
+ let hi = (pair & 0xF) as usize;
+ if !is_24bit {
+ let d_lo = ydt[lo] + (ydt[lo] << 5) + (ydt[lo] << 10);
+ let d_hi = ydt[hi] + (ydt[hi] << 5) + (ydt[hi] << 10);
+ self.delta_tables.ydt[i][j] = ((d_lo + (d_hi << 16)) << 1) as u32;
+ let d_c = cdt[hi] + (cdt[lo] << 10);
+ self.delta_tables.cdt[i][j] = ((d_c + (d_c << 16)) << 1) as u32;
+ let d_a = lo + hi * 5;
+ self.delta_tables.adt[i][j] = ((d_a << 16) << 1) as u32;
+ } else {
+ self.delta_tables.ydt[i][j] = ((ydt [lo] + (ydt [hi] << 8) + (ydt [hi] << 16)) << 1) as u32;
+ self.delta_tables.fat_ydt[i][j] = ((yfdt[lo] + (yfdt[hi] << 8) + (yfdt[hi] << 16)) << 1) as u32;
+ self.delta_tables.cdt[i][j] = ((cdt [hi] + (cdt [lo] << 16)) << 1) as u32;
+ self.delta_tables.fat_cdt[i][j] = ((cfdt[hi] + (cfdt[lo] << 16)) << 1) as u32;
+ }
+ }
+ self.delta_tables.ydt[i][len - 1] |= 1;
+ self.delta_tables.cdt[i][len - 1] |= 1;
+ self.delta_tables.adt[i][len - 1] |= 1;
+ self.delta_tables.fat_ydt[i][len - 1] |= 1;
+ self.delta_tables.fat_cdt[i][len - 1] |= 1;
+ }
+
+ self.last_delta_set = delta_set;
+ self.last_table_idx = table_idx;
+ }
+ fn decode_16bit(&mut self, dst: &mut [u16], stride: usize, width: usize, height: usize, mask: &mut MaskState<'_>, index: &mut IndexState<'_>) -> DecoderResult<()> {
+ let mut off = 0;
+ index.get_next()?;
+ for y in 0..height {
+ let mut hor_pred: u32 = 0;
+ for x in (0..width).step_by(4) {
+ if mask.get_next() {
+ match y & 3 {
+ 0 => {
+ let dc0 = index.get_diff16(&self.delta_tables.cdt)?;
+ let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dc0);
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
+ self.vert_pred[(x >> 1) + 0] = cur;
+ dst[off + x + 0] = cur as u16;
+ dst[off + x + 1] = (cur >> 16) as u16;
+ if self.blk_w == 2 {
+ let dc1 = index.get_diff16(&self.delta_tables.cdt)?;
+ hor_pred = hor_pred.wrapping_add(dc1);
+ }
+ let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
+ self.vert_pred[(x >> 1) + 1] = cur;
+ dst[off + x + 2] = cur as u16;
+ dst[off + x + 3] = (cur >> 16) as u16;
+ },
+ 1 | 3 => {
+ let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
+ self.vert_pred[(x >> 1) + 0] = cur;
+ dst[off + x + 0] = cur as u16;
+ dst[off + x + 1] = (cur >> 16) as u16;
+ let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
+ self.vert_pred[(x >> 1) + 1] = cur;
+ dst[off + x + 2] = cur as u16;
+ dst[off + x + 3] = (cur >> 16) as u16;
+ },
+ 2 => {
+ if self.blk_h == 2 {
+ let dc0 = index.get_diff16(&self.delta_tables.cdt)?;
+ let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dc0);
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
+ self.vert_pred[(x >> 1) + 0] = cur;
+ dst[off + x + 0] = cur as u16;
+ dst[off + x + 1] = (cur >> 16) as u16;
+ if self.blk_w == 2 {
+ let dc1 = index.get_diff16(&self.delta_tables.cdt)?;
+ hor_pred = hor_pred.wrapping_add(dc1);
+ }
+ let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
+ self.vert_pred[(x >> 1) + 1] = cur;
+ dst[off + x + 2] = cur as u16;
+ dst[off + x + 3] = (cur >> 16) as u16;
+ } else {
+ let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
+ self.vert_pred[(x >> 1) + 0] = cur;
+ dst[off + x + 0] = cur as u16;
+ dst[off + x + 1] = (cur >> 16) as u16;
+ let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
+ self.vert_pred[(x >> 1) + 1] = cur;
+ dst[off + x + 2] = cur as u16;
+ dst[off + x + 3] = (cur >> 16) as u16;
+ }
+ },
+ _ => unreachable!(),
+ };
+ } else {
+ let cur = u32::from(dst[off + x + 0]) | (u32::from(dst[off + x + 1]) << 16);
+ self.vert_pred[(x >> 1) + 0] = cur;
+ let cur = u32::from(dst[off + x + 2]) | (u32::from(dst[off + x + 3]) << 16);
+ hor_pred = cur.wrapping_sub(self.vert_pred[(x >> 1) + 1]);
+ self.vert_pred[(x >> 1) + 1] = cur;
+ }
+ }
+ if (y & 3) != 3 {
+ mask.reset_row();
+ } else {
+ mask.next_row();
+ }
+ off += stride;
+ }
+ Ok(())
+ }
+ fn decode_sprite(&mut self, dst: &mut [u16], stride: usize, width: usize, height: usize, mask: &mut MaskState<'_>, index: &mut IndexState<'_>) -> DecoderResult<()> {
+ let mut off = 0;
+ let _ = index.get_next();
+ for y in 0..height {
+ let mut hor_pred: u32 = 0;
+ for x in (0..width).step_by(4) {
+ let is_tm = !mask.get_next();
+ let is_sprite = !mask.get_next();
+ if is_tm {
+ if (y & 3) == 0 {
+ let dc0 = index.get_diff16(&self.delta_tables.cdt)?;
+ hor_pred = hor_pred.wrapping_add(dc0);
+ }
+ let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
+ self.vert_pred[(x >> 1) + 0] = cur;
+ dst[off + x + 0] = cur as u16;
+ dst[off + x + 1] = (cur >> 16) as u16;
+ let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
+ self.vert_pred[(x >> 1) + 1] = cur;
+ dst[off + x + 2] = cur as u16;
+ dst[off + x + 3] = (cur >> 16) as u16;
+ } else if is_sprite {
+ if (y & 3) == 0 {
+ let dc0 = index.get_diff16(&self.delta_tables.cdt)?;
+ hor_pred = hor_pred.wrapping_add(dc0);
+ }
+ let dy0 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let _da0 = index.get_diff16_noesc(&self.delta_tables.adt)?;
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 0]);
+ self.vert_pred[(x >> 1) + 0] = cur;
+ dst[off + x + 0] = cur as u16;
+ dst[off + x + 1] = (cur >> 16) as u16;
+ let dy1 = index.get_diff16(&self.delta_tables.ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let _da1 = index.get_diff16_noesc(&self.delta_tables.adt)?;
+ let cur = hor_pred.wrapping_add(self.vert_pred[(x >> 1) + 1]);
+ self.vert_pred[(x >> 1) + 1] = cur;
+ dst[off + x + 2] = cur as u16;
+ dst[off + x + 3] = (cur >> 16) as u16;
+ } else {
+ hor_pred = 0;
+ dst[off + x + 0] = 0;
+ dst[off + x + 1] = 0;
+ dst[off + x + 2] = 0;
+ dst[off + x + 3] = 0;
+ self.vert_pred[(x >> 1) + 0] = 0;
+ self.vert_pred[(x >> 1) + 1] = 0;
+ }
+ }
+ if (y & 3) != 3 {
+ mask.reset_row();
+ } else {
+ mask.next_row();
+ }
+ off += stride;
+ }
+ Ok(())
+ }
+ fn decode_24bit(&mut self, dst: &mut [u8], stride: usize, width: usize, height: usize, mask: &mut MaskState<'_>, index: &mut IndexState<'_>) -> DecoderResult<()> {
+ let mut off = 0;
+ index.get_next()?;
+ for y in 0..height {
+ let mut hor_pred: u32 = 0;
+ for x in (0..width).step_by(2) {
+ if mask.get_next() {
+ match y & 3 {
+ 0 => {
+ let dc0 = index.get_diff24(&self.delta_tables.cdt, &self.delta_tables.fat_cdt)?;
+ let dy0 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
+ hor_pred = hor_pred.wrapping_add(dc0);
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let cur = hor_pred.wrapping_add(self.vert_pred[x + 0]);
+ self.vert_pred[x + 0] = cur;
+ dst[off + x*4 + 0] = cur as u8;
+ dst[off + x*4 + 1] = (cur >> 8) as u8;
+ dst[off + x*4 + 2] = (cur >> 16) as u8;
+ dst[off + x*4 + 3] = 0;
+ if self.blk_w == 2 {
+ let dc1 = index.get_diff24(&self.delta_tables.cdt, &self.delta_tables.fat_cdt)?;
+ hor_pred = hor_pred.wrapping_add(dc1);
+ }
+ let dy1 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let cur = hor_pred.wrapping_add(self.vert_pred[x + 1]);
+ self.vert_pred[x + 1] = cur;
+ dst[off + x*4 + 4] = cur as u8;
+ dst[off + x*4 + 5] = (cur >> 8) as u8;
+ dst[off + x*4 + 6] = (cur >> 16) as u8;
+ dst[off + x*4 + 7] = 0;
+ },
+ 1 | 3 => {
+ let dy0 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let cur = hor_pred.wrapping_add(self.vert_pred[x + 0]);
+ self.vert_pred[x + 0] = cur;
+ dst[off + x*4 + 0] = cur as u8;
+ dst[off + x*4 + 1] = (cur >> 8) as u8;
+ dst[off + x*4 + 2] = (cur >> 16) as u8;
+ dst[off + x*4 + 3] = 0;
+ let dy1 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let cur = hor_pred.wrapping_add(self.vert_pred[x + 1]);
+ self.vert_pred[x + 1] = cur;
+ dst[off + x*4 + 4] = cur as u8;
+ dst[off + x*4 + 5] = (cur >> 8) as u8;
+ dst[off + x*4 + 6] = (cur >> 16) as u8;
+ dst[off + x*4 + 7] = 0;
+ },
+ 2 => {
+ if self.blk_h == 2 {
+ let dc0 = index.get_diff24(&self.delta_tables.cdt, &self.delta_tables.fat_cdt)?;
+ let dy0 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
+ hor_pred = hor_pred.wrapping_add(dc0);
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let cur = hor_pred.wrapping_add(self.vert_pred[x + 0]);
+ self.vert_pred[x + 0] = cur;
+ dst[off + x*4 + 0] = cur as u8;
+ dst[off + x*4 + 1] = (cur >> 8) as u8;
+ dst[off + x*4 + 2] = (cur >> 16) as u8;
+ dst[off + x*4 + 3] = 0;
+ if self.blk_w == 2 {
+ let dc1 = index.get_diff24(&self.delta_tables.cdt, &self.delta_tables.fat_cdt)?;
+ hor_pred = hor_pred.wrapping_add(dc1);
+ }
+ let dy1 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let cur = hor_pred.wrapping_add(self.vert_pred[x + 1]);
+ self.vert_pred[x + 1] = cur;
+ dst[off + x*4 + 4] = cur as u8;
+ dst[off + x*4 + 5] = (cur >> 8) as u8;
+ dst[off + x*4 + 6] = (cur >> 16) as u8;
+ dst[off + x*4 + 7] = 0;
+ } else {
+ let dy0 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy0);
+ let cur = hor_pred.wrapping_add(self.vert_pred[x + 0]);
+ self.vert_pred[x + 0] = cur;
+ dst[off + x*4 + 0] = cur as u8;
+ dst[off + x*4 + 1] = (cur >> 8) as u8;
+ dst[off + x*4 + 2] = (cur >> 16) as u8;
+ dst[off + x*4 + 3] = 0;
+ let dy1 = index.get_diff24(&self.delta_tables.ydt, &self.delta_tables.fat_ydt)?;
+ hor_pred = hor_pred.wrapping_add(dy1);
+ let cur = hor_pred.wrapping_add(self.vert_pred[x + 1]);
+ self.vert_pred[x + 1] = cur;
+ dst[off + x*4 + 4] = cur as u8;
+ dst[off + x*4 + 5] = (cur >> 8) as u8;
+ dst[off + x*4 + 6] = (cur >> 16) as u8;
+ dst[off + x*4 + 7] = 0;
+ }
+ },
+ _ => unreachable!(),
+ };
+ } else {
+ let cur = u32::from(dst[off + x*4 + 0])
+ | (u32::from(dst[off + x*4 + 1]) << 8)
+ | (u32::from(dst[off + x*4 + 2]) << 16)
+ | (u32::from(dst[off + x*4 + 3]) << 24);
+ self.vert_pred[x + 0] = cur;
+ let cur = u32::from(dst[off + x*4 + 4])
+ | (u32::from(dst[off + x*4 + 5]) << 8)
+ | (u32::from(dst[off + x*4 + 6]) << 16)
+ | (u32::from(dst[off + x*4 + 7]) << 24);
+ hor_pred = cur.wrapping_sub(self.vert_pred[x + 1]);
+ self.vert_pred[x + 1] = cur;
+ }
+ }
+ if (y & 3) != 3 {
+ mask.reset_row();
+ } else {
+ mask.next_row();
+ }
+ off += stride;
+ }
+ Ok(())
+ }
+}
+
+impl NADecoder for TM1Decoder {
+ fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
+ if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
+ let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), false, YUV410_FORMAT));
+ self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
+ Ok(())
+ } else {
+ Err(DecoderError::InvalidData)
+ }
+ }
+ fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+ let src = pkt.get_buffer();
+ validate!(src.len() > 10);
+ let hdr_size = (src[0].rotate_left(3) & 0x7F) as usize;
+ validate!(hdr_size >= 12 && hdr_size < src.len());
+ let mut hdr: [u8; 127] = [0; 127];
+ for i in 1..hdr_size {
+ hdr[i - 1] = src[i] ^ src[i + 1];
+ }
+ let mut mr = MemoryReader::new_read(&hdr[0..hdr_size-1]);
+ let mut br = ByteReader::new(&mut mr);
+
+ let tm1type = br.read_byte()? as usize;
+ let delta_set = br.read_byte()? as usize;
+ let table_idx = br.read_byte()? as usize;
+ let height = br.read_u16le()? as usize;
+ let width = br.read_u16le()? as usize;
+ let _frameno = br.read_u16le()? as usize;
+ let version = br.read_byte()?;
+ let meta_type = br.read_byte()?;
+ validate!(width > 0 && height > 0);
+ let is_intra;
+ let mut is_sprite = false;
+ let mut spr_xoff = 0;
+ let mut spr_yoff = 0;
+ let mut spr_width = 0;
+ let mut spr_height = 0;
+ if version >= 2 {
+ validate!(meta_type <= 3);
+ if meta_type >= 2 {
+ let frameinfo = br.read_byte()?;
+ let _control = br.read_byte()?;
+
+ is_intra = ((frameinfo & 0x10) != 0) || ((frameinfo & 0x08) == 0);
+ } else {
+ is_intra = true;
+ }
+ if meta_type == 3 {
+ spr_xoff = br.read_u16le()? as usize;
+ spr_yoff = br.read_u16le()? as usize;
+ spr_width = br.read_u16le()? as usize;
+ spr_height = br.read_u16le()? as usize;
+ is_sprite = true;
+ }
+ } else {
+ is_intra = true;
+ }
+ validate!(tm1type < TM1_COMPR_TYPES.len());
+ let cinfo = TM1_COMPR_TYPES[tm1type];
+ if cinfo.is_none() {
+//check for missing ref
+ let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::None);
+ frm.set_keyframe(false);
+ frm.set_frame_type(FrameType::Skip);
+ return Ok(frm.into_ref());
+ }
+ let compr_info = cinfo.unwrap();
+ let is_24bit = !is_sprite && compr_info.is_24bit;
+
+ let vec_idx = if ((tm1type & 1) != 0) && (meta_type > 0) { 1 } else { table_idx };
+ validate!((delta_set < DUCK_Y_DELTAS.len()) && (vec_idx > 0) && (vec_idx <= DUCK_VECTABLES.len()));
+ self.set_delta_tables(delta_set, vec_idx, is_24bit);
+
+ let out_width = if is_24bit { width >> 1 } else { width };
+ let mask_row_size = if is_sprite {
+ ((spr_width >> 2) + 3) >> 2
+ } else if is_intra {
+ 0
+ } else {
+ ((width >> 2) + 7) >> 3
+ };
+ let mask_size = mask_row_size * (if is_sprite { spr_height >> 2 } else { height >> 2 });
+ let mask_bits = &src[hdr_size..][..mask_size];
+ let index_bytes = &src[hdr_size+mask_size..];
+ validate!(src.len() >= hdr_size + mask_size);
+ self.vert_pred.clear();
+ self.vert_pred.resize(out_width, 0);
+
+ if is_intra || is_sprite {
+ let fmt = if is_24bit { BGR0_FORMAT } else { RGB555_FORMAT };
+ let myinfo = NAVideoInfo::new(out_width, height, false, fmt);
+ let bufinfo = alloc_video_buffer(myinfo, 2)?;
+ self.lastframe.reset();
+ if !is_24bit {
+ self.lastframe.set16(bufinfo.get_vbuf16().unwrap());
+ } else {
+ self.lastframe.set24(bufinfo.get_vbuf().unwrap());
+ }
+ }
+
+ self.blk_w = compr_info.block_w;
+ self.blk_h = compr_info.block_h;
+ let mut mask = MaskState::new(is_intra && !is_sprite, mask_bits, mask_row_size);
+ let mut index = IndexState::new(index_bytes);
+ let bufinfo;
+ if !is_24bit {
+ if let Some(mut buf) = self.lastframe.get16() {
+ let stride = buf.get_stride(0);
+ {
+ let data = buf.get_data_mut().unwrap();
+ if !is_sprite {
+ self.decode_16bit(data.as_mut_slice(), stride, out_width, height, &mut mask, &mut index)?;
+ } else {
+ validate!(spr_xoff + spr_width <= out_width);
+ validate!(spr_yoff + spr_height <= height);
+ for el in data.iter_mut() { *el = 0; }
+ let dst = &mut data[spr_xoff + spr_yoff * stride..];
+ self.decode_sprite(dst, stride, spr_width, spr_height, &mut mask, &mut index)?;
+ }
+ }
+ bufinfo = NABufferType::Video16(buf);
+ } else {
+ return Err(DecoderError::MissingReference);
+ }
+ } else if let Some(mut buf) = self.lastframe.get24() {
+ let stride = buf.get_stride(0);
+ {
+ let data = buf.get_data_mut().unwrap();
+ self.decode_24bit(data.as_mut_slice(), stride, out_width, height, &mut mask, &mut index)?;
+ }
+ bufinfo = NABufferType::VideoPacked(buf);
+ } else {
+ return Err(DecoderError::MissingReference);
+ }
+
+ let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
+ frm.set_keyframe(is_intra || is_sprite);
+ frm.set_frame_type(if is_intra { FrameType::I } else { FrameType::P });
+ Ok(frm.into_ref())
+ }
+ fn flush(&mut self) {
+ self.lastframe.reset();
+ }
+}
+
+impl NAOptionHandler for TM1Decoder {
+ fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
+ fn set_options(&mut self, _options: &[NAOption]) { }
+ fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
+}
+
+pub fn get_decoder() -> Box<dyn NADecoder + Send> {
+ Box::new(TM1Decoder::new())
+}
+
+#[cfg(test)]
+mod test {
+ use nihav_core::codecs::RegisteredDecoders;
+ use nihav_core::demuxers::RegisteredDemuxers;
+ use nihav_codec_support::test::dec_video::*;
+ use crate::duck_register_all_decoders;
+ use nihav_commonfmt::generic_register_all_demuxers;
+ #[test]
+ fn test_tm1() {
+ 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/DUCK/phant2-940.duk
+ test_decoding("avi", "truemotion1", "assets/Duck/phant2-940.duk", Some(12), &dmx_reg, &dec_reg,
+ ExpectedTestResult::MD5Frames(vec![
+ [0x989e62b8, 0x5d85c23c, 0x1cffba6d, 0xe599f1c4],
+ [0xc4231321, 0x25561487, 0x9db11f57, 0x4faeb9a5],
+ [0x36e3a831, 0xdbd21f89, 0x0a446071, 0xf6d31ee7],
+ [0x0af640af, 0x64bc2bac, 0x0e95dd72, 0x9e55360b],
+ [0xbc9c5f8b, 0x6c06f2bc, 0x216f4129, 0x3a421337],
+ [0xd8ea7297, 0xce5f79fc, 0x46071f4c, 0xaed7fb7a],
+ [0x87617060, 0x72ce8df8, 0xde42eaa6, 0x804a6f45],
+ [0xfd8c45b3, 0xf424b683, 0xb4d6a9bd, 0xc622d0b9],
+ [0x6c233746, 0xba8ed68e, 0xc0ed0e85, 0xc99e1dc0],
+ [0x5842aac0, 0xd3d78242, 0x5da21218, 0xea1ed0ad],
+ [0xdea0db20, 0xe2ce3586, 0xf7386649, 0xecc374f9],
+ [0xb80ae9cb, 0x04eb938e, 0xd8a337ee, 0x0054b5ed],
+ [0xf8b80e1d, 0xd8eb3d6c, 0xa99b23ff, 0x562851a1]]));
+ test_decoding("avi", "truemotion1", "assets/Duck/SPRITES.AVI", Some(2), &dmx_reg, &dec_reg,
+ ExpectedTestResult::MD5([0xb89a4275, 0xf9797f5f, 0xe53c1ccd, 0xfa163e02]));
+ //let file = "assets/Duck/AVI-DUCK-dk3.duk";
+ //let file = "assets/Duck/phant2-940.duk";
+ //let file = "assets/Duck/bugsampler-m01-16bit.avi";
+ //let file = "assets/Duck/sonic3dblast_intro.avi";
+ //let file = "assets/Duck/BUTTONS.AVI";
+ //let file = "assets/Duck/SPRITES.AVI";
+ //let file = "assets/Duck/TRICORD.AVI";
+ //test_file_decoding("avi", file, Some(42), true, false, None/*Some("tm1-")*/, &dmx_reg, &dec_reg);
+ }
+}
projects / nihav.git / blobdiff