use formats;
use super::super::*;
use super::*;
+use super::code::H263BlockDSP;
use super::decoder::*;
use super::data::*;
w: usize,
h: usize,
new_ver: bool,
+ bdsp: H263BlockDSP,
}
struct RealVideo10BR<'a> {
h: usize,
mb_w: usize,
mb_h: usize,
- mb_x: usize,
- mb_y: usize,
- mb_count: usize,
- mb_end: usize,
new_ver: bool,
dc_coded: [bool; 3],
last_dc: [i16; 3],
- is_intra: bool,
}
struct RV10SliceInfo {
h: height,
mb_w: (width + 15) >> 4,
mb_h: (height + 15) >> 4,
- mb_x: 0,
- mb_y: 0,
- mb_count: 0,
- mb_end: 0,
new_ver: new_ver,
dc_coded: [false; 3],
last_dc: [0; 3],
- is_intra: false,
}
}
- fn decode_block(&mut self, quant: u8, intra: bool, coded: bool, blk: &mut [i16; 64], plane_no: usize) -> DecoderResult<()> {
+#[allow(unused_variables)]
+ fn decode_block(&mut self, sstate: &SliceState, quant: u8, intra: bool, coded: bool, blk: &mut [i16; 64], plane_no: usize) -> DecoderResult<()> {
let mut br = &mut self.br;
let mut idx = 0;
if intra {
let mut dc;
-//println!("dc prev {} @ {} of {},{} / {}x{}", self.last_dc[plane_no], br.tell() - (self.slice_off[self.slice_no - 1] as usize) * 8, self.mb_x, self.mb_y, self.mb_w, self.mb_h);
- if !self.new_ver || !self.is_intra {
+//println!("dc prev {} @ {} of {},{} / {}x{}", self.last_dc[plane_no], br.tell() - (self.slice_off[self.slice_no - 1] as usize) * 8, sstate.mb_x, sstate.mb_y, self.mb_w, self.mb_h);
+ if !self.new_ver || !sstate.is_iframe {
dc = br.read(8)? as i16;
if dc == 255 { dc = 128; }
} else {
fn decode_pichdr(&mut self) -> DecoderResult<PicInfo> {
self.slice_no = 0;
println!("decoding picture header size {}", if self.num_slices > 1 { self.slice_off[1] } else { ((self.br.tell() as u32) + (self.br.left() as u32))/8 });
- self.mb_x = 0;
- self.mb_y = 0;
- self.mb_count = self.mb_w * self.mb_h;
let shdr = self.read_slice_header()?;
- self.slice_no += 1;
validate!((shdr.mb_x == 0) && (shdr.mb_y == 0));
- self.mb_x = shdr.mb_x;
- self.mb_y = shdr.mb_y;
- self.mb_count = shdr.mb_c;
- self.mb_end = self.mb_x + self.mb_y * self.mb_w + self.mb_count;
- self.is_intra = !shdr.is_p;
+ let mb_end = shdr.mb_x + shdr.mb_y * self.mb_w + shdr.mb_c;
let ftype = if !shdr.is_p { Type::I } else { Type::P };
- let picinfo = PicInfo::new(self.w, self.h, ftype, shdr.qscale, false, MVMode::Old, 0, None, true);
+ let picinfo = PicInfo::new(self.w, self.h, ftype, false, false, shdr.qscale, 0, None, None);
Ok(picinfo)
}
#[allow(unused_variables)]
- fn decode_slice_header(&mut self, info: &PicInfo) -> DecoderResult<Slice> {
+ fn decode_slice_header(&mut self, info: &PicInfo) -> DecoderResult<SliceInfo> {
//println!("read slice {} header", self.slice_no);
let shdr = self.read_slice_header()?;
- let ret = Slice::new(shdr.mb_x, shdr.mb_y, shdr.qscale);
self.slice_no += 1;
- self.mb_x = shdr.mb_x;
- self.mb_y = shdr.mb_y;
- self.mb_count = shdr.mb_c;
- self.mb_end = self.mb_x + self.mb_y * self.mb_w + self.mb_count;
+ let mb_end = shdr.mb_x + shdr.mb_y * self.mb_w + shdr.mb_c;
+ let ret = SliceInfo::new(shdr.mb_x, shdr.mb_y, mb_end, shdr.qscale);
Ok(ret)
}
- fn decode_block_header(&mut self, info: &PicInfo, slice: &Slice) -> DecoderResult<BlockInfo> {
+ fn decode_block_header(&mut self, info: &PicInfo, slice: &SliceInfo, sstate: &SliceState) -> DecoderResult<BlockInfo> {
let mut br = &mut self.br;
let mut q = slice.get_quant();
match info.get_mode() {
let idx = br.read(2)? as usize;
q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
}
- self.mb_x += 1;
- if self.mb_x == self.mb_w {
- self.mb_x = 0;
- self.mb_y += 1;
- }
Ok(BlockInfo::new(Type::I, cbp, q))
},
Type::P => {
if br.read_bool()? {
-self.mb_x += 1;
-if self.mb_x == self.mb_w {
- self.mb_x = 0;
- self.mb_y += 1;
-}
return Ok(BlockInfo::new(Type::Skip, 0, info.get_quant()));
}
let mut cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?;
q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
}
let binfo = BlockInfo::new(Type::I, cbp, q);
- self.mb_x += 1;
- if self.mb_x == self.mb_w {
- self.mb_x = 0;
- self.mb_y += 1;
- }
return Ok(binfo);
}
let idx = br.read(2)? as usize;
q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
}
-println!(" MB {}.{} cbp = {:X}", self.mb_x, self.mb_y, cbp);
+println!(" MB {}.{} cbp = {:X}", sstate.mb_x, sstate.mb_y, cbp);
let mut binfo = BlockInfo::new(Type::P, cbp, q);
if !is_4x4 {
let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?];
];
binfo.set_mv(&mvec);
}
- self.mb_x += 1;
- if self.mb_x == self.mb_w {
- self.mb_x = 0;
- self.mb_y += 1;
- }
Ok(binfo)
},
_ => { println!("wrong info mode"); Err(DecoderError::InvalidData) },
}
#[allow(unused_variables)]
- fn decode_block_intra(&mut self, info: &BlockInfo, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
- self.decode_block(quant, true, coded, blk, if no < 4 { 0 } else { no - 3 })
+ fn decode_block_intra(&mut self, info: &BlockInfo, sstate: &SliceState, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
+ self.decode_block(sstate, quant, true, coded, blk, if no < 4 { 0 } else { no - 3 })
}
#[allow(unused_variables)]
- fn decode_block_inter(&mut self, info: &BlockInfo, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
- self.decode_block(quant, false, coded, blk, if no < 4 { 0 } else { no - 3 })
+ fn decode_block_inter(&mut self, info: &BlockInfo, sstate: &SliceState, quant: u8, no: usize, coded: bool, blk: &mut [i16; 64]) -> DecoderResult<()> {
+ self.decode_block(sstate, quant, false, coded, blk, if no < 4 { 0 } else { no - 3 })
}
- fn is_slice_end(&mut self) -> bool { self.mb_x + self.mb_y * self.mb_w >= self.mb_end }
-
- fn filter_row(&mut self, buf: &mut NAVideoBuffer<u8>, mb_y: usize, mb_w: usize, cbpi: &CBPInfo) {
- let stride = buf.get_stride(0);
- let mut off = buf.get_offset(0) + mb_y * 16 * stride;
- for mb_x in 0..mb_w {
- let coff = off;
- let coded0 = cbpi.is_coded(mb_x, 0);
- let coded1 = cbpi.is_coded(mb_x, 1);
- let q = cbpi.get_q(mb_w + mb_x);
- if mb_y != 0 {
- if coded0 && cbpi.is_coded_top(mb_x, 0) { deblock_hor(buf, 0, q, coff); }
- if coded1 && cbpi.is_coded_top(mb_x, 1) { deblock_hor(buf, 0, q, coff + 8); }
- }
- let coff = off + 8 * stride;
- if cbpi.is_coded(mb_x, 2) && coded0 { deblock_hor(buf, 0, q, coff); }
- if cbpi.is_coded(mb_x, 3) && coded1 { deblock_hor(buf, 0, q, coff + 8); }
- off += 16;
- }
- let mut leftt = false;
- let mut leftc = false;
- let mut off = buf.get_offset(0) + mb_y * 16 * stride;
- for mb_x in 0..mb_w {
- let ctop0 = cbpi.is_coded_top(mb_x, 0);
- let ctop1 = cbpi.is_coded_top(mb_x, 0);
- let ccur0 = cbpi.is_coded(mb_x, 0);
- let ccur1 = cbpi.is_coded(mb_x, 1);
- let q = cbpi.get_q(mb_w + mb_x);
- if mb_y != 0 {
- let coff = off - 8 * stride;
- let qtop = cbpi.get_q(mb_x);
- if leftt && ctop0 { deblock_ver(buf, 0, qtop, coff); }
- if ctop0 && ctop1 { deblock_ver(buf, 0, qtop, coff + 8); }
- }
- if leftc && ccur0 { deblock_ver(buf, 0, q, off); }
- if ccur0 && ccur1 { deblock_ver(buf, 0, q, off + 8); }
- leftt = ctop1;
- leftc = ccur1;
- off += 16;
- }
- let strideu = buf.get_stride(1);
- let stridev = buf.get_stride(2);
- let offu = buf.get_offset(1) + mb_y * 8 * strideu;
- let offv = buf.get_offset(2) + mb_y * 8 * stridev;
- if mb_y != 0 {
- for mb_x in 0..mb_w {
- let ctu = cbpi.is_coded_top(mb_x, 4);
- let ccu = cbpi.is_coded(mb_x, 4);
- let ctv = cbpi.is_coded_top(mb_x, 5);
- let ccv = cbpi.is_coded(mb_x, 5);
- let q = cbpi.get_q(mb_w + mb_x);
- if ctu && ccu { deblock_hor(buf, 1, q, offu + mb_x * 8); }
- if ctv && ccv { deblock_hor(buf, 2, q, offv + mb_x * 8); }
- }
- let mut leftu = false;
- let mut leftv = false;
- let offu = buf.get_offset(1) + (mb_y - 1) * 8 * strideu;
- let offv = buf.get_offset(2) + (mb_y - 1) * 8 * stridev;
- for mb_x in 0..mb_w {
- let ctu = cbpi.is_coded_top(mb_x, 4);
- let ctv = cbpi.is_coded_top(mb_x, 5);
- let qt = cbpi.get_q(mb_x);
- if leftu && ctu { deblock_ver(buf, 1, qt, offu + mb_x * 8); }
- if leftv && ctv { deblock_ver(buf, 2, qt, offv + mb_x * 8); }
- leftu = ctu;
- leftv = ctv;
- }
- }
- }
-}
+ fn is_slice_end(&mut self) -> bool { false }
-fn deblock_hor(buf: &mut NAVideoBuffer<u8>, comp: usize, q: u8, off: usize) {
- let stride = buf.get_stride(comp);
- let mut dptr = buf.get_data_mut();
- let mut buf = dptr.as_mut_slice();
- for x in 0..8 {
- let a = buf[off - 2 * stride + x] as i16;
- let b = buf[off - 1 * stride + x] as i16;
- let c = buf[off + 0 * stride + x] as i16;
- let d = buf[off + 1 * stride + x] as i16;
- let diff = ((a - d) * 3 + (c - b) * 8) >> 4;
- if (diff != 0) && (diff >= -32) && (diff < 32) {
- let d0 = diff.abs() * 2 - (q as i16);
- let d1 = if d0 < 0 { 0 } else { d0 };
- let d2 = diff.abs() - d1;
- let d3 = if d2 < 0 { 0 } else { d2 };
-
- let delta = if diff < 0 { -d3 } else { d3 };
-
- let b1 = b + delta;
- if b1 < 0 { buf[off - 1 * stride + x] = 0; }
- else if b1 > 255 { buf[off - 1 * stride + x] = 0xFF; }
- else { buf[off - 1 * stride + x] = b1 as u8; }
- let c1 = c - delta;
- if c1 < 0 { buf[off + x] = 0; }
- else if c1 > 255 { buf[off + x] = 0xFF; }
- else { buf[off + x] = c1 as u8; }
- }
- }
+ fn is_gob(&mut self) -> bool { false }
}
impl<'a> RealVideo10BR<'a> {
let mut br = &mut self.br;
br.seek(self.slice_off[self.slice_no] * 8)?;
-//println!(" slice at off {}", br.tell());
let marker = br.read(1)?;
validate!(marker == 1);
let mb_x;
let mb_y;
let mb_count;
- let mb_pos = self.mb_x + self.mb_y * self.mb_w;
- if (br.peek(12) == 0) || (mb_pos > 0) {
+ if (br.peek(12) == 0) || (self.slice_no > 0) {
mb_x = br.read(6)? as usize;
mb_y = br.read(6)? as usize;
mb_count = br.read(12)? as usize;
} else {
- mb_x = self.mb_x;
- mb_y = self.mb_y;
- mb_count = self.mb_count;
+ mb_x = 0;
+ mb_y = 0;
+ mb_count = self.mb_w * self.mb_h;
}
br.skip(3)?;
println!("slice q {} mb {},{} {}", qscale, mb_x, mb_y, mb_count);
}
}
-fn deblock_ver(buf: &mut NAVideoBuffer<u8>, comp: usize, q: u8, off: usize) {
- let stride = buf.get_stride(comp);
- let mut dptr = buf.get_data_mut();
- let mut buf = dptr.as_mut_slice();
- for y in 0..8 {
- let a = buf[off - 2 + y * stride] as i16;
- let b = buf[off - 1 + y * stride] as i16;
- let c = buf[off + 0 + y * stride] as i16;
- let d = buf[off + 1 + y * stride] as i16;
- let diff = ((a - d) * 3 + (c - b) * 8) >> 4;
- if (diff != 0) && (diff >= -32) && (diff < 32) {
- let d0 = diff.abs() * 2 - (q as i16);
- let d1 = if d0 < 0 { 0 } else { d0 };
- let d2 = diff.abs() - d1;
- let d3 = if d2 < 0 { 0 } else { d2 };
-
- let delta = if diff < 0 { -d3 } else { d3 };
-
- let b1 = b + delta;
- if b1 < 0 { buf[off - 1 + y * stride] = 0; }
- else if b1 > 255 { buf[off - 1 + y * stride] = 0xFF; }
- else { buf[off - 1 + y * stride] = b1 as u8; }
- let c1 = c - delta;
- if c1 < 0 { buf[off + y * stride] = 0; }
- else if c1 > 255 { buf[off + y * stride] = 0xFF; }
- else { buf[off + y * stride] = c1 as u8; }
- }
- }
-}
-
impl RealVideo10Decoder {
fn new() -> Self {
let mut coderead = H263ShortCodeReader::new(H263_INTRA_MCBPC);
w: 0,
h: 0,
new_ver: false,
+ bdsp: H263BlockDSP::new(),
}
}
}
println!(" decode frame size {}, {} slices", src.len(), src[0]+1);
let mut ibr = RealVideo10BR::new(&src, &self.tables, self.w, self.h, self.new_ver);
- let bufinfo = self.dec.parse_frame(&mut ibr)?;
+ let bufinfo = self.dec.parse_frame(&mut ibr, &self.bdsp)?;
let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
frm.set_keyframe(self.dec.is_intra());
projects / nihav.git / blobdiff