use formats;
use super::super::*;
use super::*;
+use super::code::H263BlockDSP;
use super::decoder::*;
use super::data::*;
struct Tables {
intra_mcbpc_cb: Codebook<u8>,
inter_mcbpc_cb: Codebook<u8>,
+ mbtype_b_cb: Codebook<u8>,
cbpy_cb: Codebook<u8>,
+ cbpc_b_cb: Codebook<u8>,
rl_cb: Codebook<H263RLSym>,
aic_rl_cb: Codebook<H263RLSym>,
mv_cb: Codebook<u8>,
h: usize,
minor_ver: u8,
rpr: RPRInfo,
+ bdsp: H263BlockDSP,
}
struct RealVideo20BR<'a> {
h: usize,
mb_w: usize,
mb_h: usize,
- mb_x: usize,
- mb_y: usize,
mb_pos_bits: u8,
- mb_count: usize,
- mb_end: usize,
minor_ver: u8,
rpr: RPRInfo,
- is_intra: bool,
}
struct RV20SliceInfo {
mb_w: mb_w,
mb_h: mb_h,
mb_pos_bits: mbpb,
- mb_x: 0,
- mb_y: 0,
- mb_count: 0,
- mb_end: 0,
minor_ver: minor_ver,
rpr: rpr,
- 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, acpred: ACPredMode) -> DecoderResult<()> {
let mut br = &mut self.br;
let mut idx = 0;
- if !self.is_intra && intra {
- let mut dc = br.read(8).unwrap() as i16;
+ if !sstate.is_iframe && intra {
+ let mut dc = br.read(8)? as i16;
if dc == 255 { dc = 128; }
blk[0] = dc << 3;
idx = 1;
}
if !coded { return Ok(()); }
+ let scan = match acpred {
+ ACPredMode::Hor => H263_SCAN_V,
+ ACPredMode::Ver => H263_SCAN_H,
+ _ => H263_ZIGZAG,
+ };
- let rl_cb = if self.is_intra { &self.tables.aic_rl_cb } else { &self.tables.rl_cb };
+ let rl_cb = if sstate.is_iframe { &self.tables.aic_rl_cb } else { &self.tables.rl_cb };
let q_add = if quant == 0 { 0i16 } else { ((quant - 1) | 1) as i16 };
let q = (quant * 2) as i16;
while idx < 64 {
- let code = br.read_cb(rl_cb).unwrap();
+ let code = br.read_cb(rl_cb)?;
let run;
let mut level;
let last;
run = code.get_run();
level = code.get_level();
last = code.is_last();
- if br.read_bool().unwrap() { level = -level; }
- level = (level * q) + q_add;
+ if br.read_bool()? { level = -level; }
+ if (idx != 0) || !sstate.is_iframe {
+ level = (level * q) + q_add;
+ } else {
+ level = level * (H263_DC_SCALES[quant as usize] as i16);
+ }
} else {
- last = br.read_bool().unwrap();
- run = br.read(6).unwrap() as u8;
- level = br.read_s(8).unwrap() as i16;
+ last = br.read_bool()?;
+ run = br.read(6)? as u8;
+ level = br.read_s(8)? as i16;
if level == -128 {
- let low = br.read(5).unwrap() as i16;
- let top = br.read_s(6).unwrap() as i16;
+ let low = br.read(5)? as i16;
+ let top = br.read_s(6)? as i16;
level = (top << 5) | low;
}
- level = (level * q) + q_add;
+ if (idx != 0) || !sstate.is_iframe {
+ level = (level * q) + q_add;
+ } else {
+ level = level * (H263_DC_SCALES[quant as usize] as i16);
+ }
if level < -2048 { level = -2048; }
if level > 2047 { level = 2047; }
}
idx += run;
validate!(idx < 64);
- let oidx = H263_ZIGZAG[idx as usize];
+ let oidx = scan[idx as usize];
blk[oidx] = level;
idx += 1;
if last { break; }
}
fn decode_mv_component(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<i16> {
- let code = br.read_cb(mv_cb).unwrap() as i16;
+ let code = br.read_cb(mv_cb)? as i16;
if code == 0 { return Ok(0) }
- if !br.read_bool().unwrap() {
+ if !br.read_bool()? {
Ok(code)
} else {
Ok(-code)
}
fn decode_mv(br: &mut BitReader, mv_cb: &Codebook<u8>) -> DecoderResult<MV> {
- let xval = decode_mv_component(br, mv_cb).unwrap();
- let yval = decode_mv_component(br, mv_cb).unwrap();
+ let xval = decode_mv_component(br, mv_cb)?;
+ let yval = decode_mv_component(br, mv_cb)?;
//println!(" MV {},{} @ {}", xval, yval, br.tell());
Ok(MV::new(xval, yval))
}
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().unwrap();
+ let shdr = self.read_slice_header()?;
println!("slice ends @ {}\n", self.br.tell());
- self.slice_no += 1;
+// self.slice_no += 1;
validate!((shdr.mb_x == 0) && (shdr.mb_y == 0));
- let mb_count;
+/* let mb_count;
if self.slice_no < self.num_slices {
let pos = self.br.tell();
- let shdr2 = self.read_slice_header().unwrap();
+ let shdr2 = self.read_slice_header()?;
self.br.seek(pos as u32)?;
mb_count = shdr2.mb_pos - shdr.mb_pos;
} else {
mb_count = self.mb_w * self.mb_h;
- }
-
- self.mb_x = shdr.mb_x;
- self.mb_y = shdr.mb_y;
- self.mb_count = mb_count;
- self.mb_end = shdr.mb_pos + mb_count;
- self.is_intra = shdr.ftype == Type::I;
+ }*/
- let picinfo = PicInfo::new(shdr.w, shdr.h, shdr.ftype, shdr.qscale, false, MVMode::Old, 0, None, true);
+ let plusinfo = Some(PlusInfo::new(shdr.ftype == Type::I, false, false, false));
+ let picinfo = PicInfo::new(shdr.w, shdr.h, shdr.ftype, false, false, shdr.qscale, 0, None, plusinfo);
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().unwrap();
+ let shdr = self.read_slice_header()?;
self.slice_no += 1;
let mb_count;
if self.slice_no < self.num_slices {
- let shdr2 = self.read_slice_header().unwrap();
+ let pos = self.br.tell();
+ let shdr2 = self.read_slice_header()?;
mb_count = shdr2.mb_pos - shdr.mb_pos;
+ self.br.seek(pos as u32)?;
} else {
mb_count = self.mb_w * self.mb_h - shdr.mb_pos;
}
- let ret = Slice::new(shdr.mb_x, shdr.mb_y, shdr.qscale);
- self.mb_x = shdr.mb_x;
- self.mb_y = shdr.mb_y;
- self.mb_count = mb_count;
- self.mb_end = shdr.mb_pos + mb_count;
+ let ret = SliceInfo::new(shdr.mb_x, shdr.mb_y, shdr.mb_pos + mb_count, 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() {
Type::I => {
- let mut cbpc = br.read_cb(&self.tables.intra_mcbpc_cb).unwrap();
- while cbpc == 8 { cbpc = br.read_cb(&self.tables.intra_mcbpc_cb).unwrap(); }
-if self.is_intra {
-let acpred = br.read_bool()?;
-println!(" acp {} @ {}", acpred, br.tell());
-if acpred {
- br.skip(1)?;//pred direction
-}
-}
- let cbpy = br.read_cb(&self.tables.cbpy_cb).unwrap();
+ let mut cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?;
+ while cbpc == 8 { cbpc = br.read_cb(&self.tables.intra_mcbpc_cb)?; }
+ let mut acpred = ACPredMode::None;
+ if let Some(ref pi) = info.plusinfo {
+ if pi.aic {
+ let acpp = br.read_bool()?;
+ acpred = ACPredMode::DC;
+ println!(" acp {} @ {}", acpp as u8, br.tell());
+ if acpp {
+ acpred = if br.read_bool()? { ACPredMode::Hor } else { ACPredMode::Ver };
+ }
+ }
+println!(" @ {}", br.tell());
+ }
+ let cbpy = br.read_cb(&self.tables.cbpy_cb)?;
let cbp = (cbpy << 2) | (cbpc & 3);
let dquant = (cbpc & 4) != 0;
if dquant {
- let idx = br.read(2).unwrap() as usize;
+ 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, br.tell());
- 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))
+println!(" MB {},{} CBP {:X} @ {}", sstate.mb_x, sstate.mb_y, cbp, br.tell());
+ let mut binfo = BlockInfo::new(Type::I, cbp, q);
+ binfo.set_acpred(acpred);
+ Ok(binfo)
},
Type::P => {
- if br.read_bool().unwrap() {
-self.mb_x += 1;
-if self.mb_x == self.mb_w {
- self.mb_x = 0;
- self.mb_y += 1;
-}
+ if br.read_bool()? {
return Ok(BlockInfo::new(Type::Skip, 0, info.get_quant()));
}
- let mut cbpc = br.read_cb(&self.tables.inter_mcbpc_cb).unwrap();
- while cbpc == 20 { cbpc = br.read_cb(&self.tables.inter_mcbpc_cb).unwrap(); }
+ let mut cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?;
+ while cbpc == 20 { cbpc = br.read_cb(&self.tables.inter_mcbpc_cb)?; }
let is_intra = (cbpc & 0x04) != 0;
let dquant = (cbpc & 0x08) != 0;
let is_4x4 = (cbpc & 0x10) != 0;
if is_intra {
- let cbpy = br.read_cb(&self.tables.cbpy_cb).unwrap();
+ let cbpy = br.read_cb(&self.tables.cbpy_cb)?;
let cbp = (cbpy << 2) | (cbpc & 3);
if dquant {
- let idx = br.read(2).unwrap() as usize;
+ let idx = br.read(2)? as usize;
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 mut cbpy = br.read_cb(&self.tables.cbpy_cb).unwrap();
+ let mut cbpy = br.read_cb(&self.tables.cbpy_cb)?;
// if /* !aiv && */(cbpc & 3) != 3 {
cbpy ^= 0xF;
// }
let cbp = (cbpy << 2) | (cbpc & 3);
if dquant {
- let idx = br.read(2).unwrap() as usize;
+ 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).unwrap()];
+ let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?];
binfo.set_mv(&mvec);
} else {
let mvec: [MV; 4] = [
- decode_mv(br, &self.tables.mv_cb).unwrap(),
- decode_mv(br, &self.tables.mv_cb).unwrap(),
- decode_mv(br, &self.tables.mv_cb).unwrap(),
- decode_mv(br, &self.tables.mv_cb).unwrap()
+ decode_mv(br, &self.tables.mv_cb)?,
+ decode_mv(br, &self.tables.mv_cb)?,
+ decode_mv(br, &self.tables.mv_cb)?,
+ 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) },
+ _ => { // B
+ let mut mbtype = br.read_cb(&self.tables.mbtype_b_cb)? as usize;
+ while mbtype == 14 { mbtype = br.read_cb(&self.tables.mbtype_b_cb)? as usize; }
+
+ let is_coded = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_CODED) != 0;
+ let is_intra = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_INTRA) != 0;
+ let dquant = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_DQUANT) != 0;
+ let is_fwd = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_FORWARD) != 0;
+ let is_bwd = (H263_MBTYPE_B_CAPS[mbtype] & H263_MBB_CAP_BACKWARD) != 0;
+
+ let cbp = if is_coded {
+ let cbpc = br.read_cb(&self.tables.cbpc_b_cb)?;
+ let mut cbpy = br.read_cb(&self.tables.cbpy_cb)?;
+ if !is_intra { cbpy ^= 0xF; }
+ (cbpy << 2) | (cbpc & 3)
+ } else { 0 };
+
+ if dquant {
+ let idx = br.read(2)? as usize;
+ q = ((q as i16) + (H263_DQUANT_TAB[idx] as i16)) as u8;
+ }
+println!(" MB B {}.{} cbp = {:X} @ {} ({} {})", sstate.mb_x, sstate.mb_y, cbp, br.tell(), mbtype, is_intra);
+
+ if is_intra {
+ let binfo = BlockInfo::new(Type::I, cbp, q);
+ return Ok(binfo);
+ }
+
+ let mut binfo = BlockInfo::new(Type::B, cbp, q);
+ if is_fwd {
+ let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?];
+ binfo.set_mv(&mvec);
+ }
+ if is_bwd {
+ let mvec: [MV; 1] = [decode_mv(br, &self.tables.mv_cb)?];
+ binfo.set_b_mv(&mvec);
+ }
+ Ok(binfo)
+ },
}
}
- #[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 }, info.get_acpred())
}
#[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 }, ACPredMode::None)
}
- 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 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_slice_end(&mut self) -> bool { false }
}
impl<'a> RealVideo20BR<'a> {
+#[allow(unused_variables)]
fn read_slice_header(&mut self) -> DecoderResult<RV20SliceInfo> {
validate!(self.slice_no < self.num_slices);
let mut br = &mut self.br;
- br.seek(self.slice_off[self.slice_no] * 8).unwrap();
+ br.seek(self.slice_off[self.slice_no] * 8)?;
//println!(" slice at off {}", br.tell());
- let frm_type = br.read(2).unwrap();
+ let frm_type = br.read(2)?;
let ftype = match frm_type {
0 | 1 => { Type::I },
2 => { Type::P },
- _ => { Type::Skip },
+ _ => { Type::B },
};
- let marker = br.read(1).unwrap();
+ let marker = br.read(1)?;
validate!(marker == 0);
- let qscale = br.read(5).unwrap() as u8;
+ let qscale = br.read(5)? as u8;
validate!(qscale > 0);
if self.minor_ver >= 2 {
- br.skip(1).unwrap(); // loop filter
+ br.skip(1)?; // loop filter
}
let seq = if self.minor_ver <= 1 {
- br.read(8).unwrap() << 7
+ br.read(8)? << 7
} else {
- br.read(13).unwrap() << 2
+ br.read(13)? << 2
};
let w;
let h;
if self.rpr.present {
- let rpr = br.read(self.rpr.bits).unwrap() as usize;
+ let rpr = br.read(self.rpr.bits)? as usize;
if rpr == 0 {
w = self.w;
h = self.h;
} else {
- w = self.rpr.widths[rpr];
- h = self.rpr.heights[rpr];
+ w = self.rpr.widths[rpr - 1];
+ h = self.rpr.heights[rpr - 1];
validate!((w != 0) && (h != 0));
}
} else {
h = self.h;
}
- let mb_pos = br.read(self.mb_pos_bits).unwrap() as usize;
+ let mb_pos = br.read(self.mb_pos_bits)? as usize;
let mb_x = mb_pos % self.mb_w;
let mb_y = mb_pos / self.mb_w;
- br.skip(1).unwrap(); // no rounding
+ br.skip(1)?; // no rounding
if (self.minor_ver <= 1) && (frm_type == 3) {
- br.skip(5).unwrap();
+ br.skip(5)?;
}
println!("slice q {} mb {},{}", qscale, mb_x, mb_y);
}
}
-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 RealVideo20Decoder {
fn new() -> Self {
let mut coderead = H263ShortCodeReader::new(H263_INTRA_MCBPC);
let intra_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
let mut coderead = H263ShortCodeReader::new(H263_INTER_MCBPC);
let inter_mcbpc_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
+ let mut coderead = H263ShortCodeReader::new(H263_MBTYPE_B);
+ let mbtype_b_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
let mut coderead = H263ShortCodeReader::new(H263_CBPY);
let cbpy_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
+ let mut coderead = H263ShortCodeReader::new(H263_CBPC_B);
+ let cbpc_b_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
let mut coderead = H263RLCodeReader::new(H263_RL_CODES);
let rl_cb = Codebook::new(&mut coderead, CodebookMode::MSB).unwrap();
let mut coderead = H263RLCodeReader::new(H263_RL_CODES_AIC);
let tables = Tables {
intra_mcbpc_cb: intra_mcbpc_cb,
inter_mcbpc_cb: inter_mcbpc_cb,
+ mbtype_b_cb: mbtype_b_cb,
cbpy_cb: cbpy_cb,
+ cbpc_b_cb: cbpc_b_cb,
rl_cb: rl_cb,
aic_rl_cb: aic_rl_cb,
mv_cb: mv_cb,
RealVideo20Decoder{
info: Rc::new(DUMMY_CODEC_INFO),
- dec: H263BaseDecoder::new(),
+ dec: H263BaseDecoder::new(false),
tables: tables,
w: 0,
h: 0,
minor_ver: 0,
rpr: RPRInfo { present: false, bits: 0, widths: [0; 8], heights: [0; 8] },
+ bdsp: H263BlockDSP::new(),
}
}
}
impl NADecoder for RealVideo20Decoder {
+#[allow(unused_variables)]
fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
let w = vinfo.get_width();
self.rpr.present = false;
} else {
self.rpr.present = true;
- self.rpr.bits = rprb as u8;
+ self.rpr.bits = ((rprb >> 1) + 1) as u8;
for i in 4..(src.len()/2) {
self.rpr.widths [i - 4] = (src[i * 2] as usize) * 4;
self.rpr.heights[i - 4] = (src[i * 2 + 1] as usize) * 4;
}
Ok(())
} else {
-println!(".unwrap().unwrap().unwrap()");
Err(DecoderError::InvalidData)
}
}
println!(" decode frame size {}, {} slices", src.len(), src[0]+1);
let mut ibr = RealVideo20BR::new(&src, &self.tables, self.w, self.h, self.minor_ver, self.rpr);
- let bufinfo = self.dec.parse_frame(&mut ibr).unwrap();
+ 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());
- frm.set_frame_type(if self.dec.is_intra() { FrameType::I } else { FrameType::P });
+ frm.set_frame_type(self.dec.get_frame_type());
Ok(Rc::new(RefCell::new(frm)))
}
}
use test::dec_video::test_file_decoding;
#[test]
fn test_rv20() {
- test_file_decoding("realmedia", "assets/RV/rv20_cook_640x352_realproducer_plus_8.51.rm", None/*Some(160)*/, true, false, Some("rv20"));
+ test_file_decoding("realmedia", "assets/RV/rv20_svt_atrc_640x352_realproducer_plus_8.51.rm", None, true, false, Some("rv20"));
+// test_file_decoding("realmedia", "assets/RV/rv20_cook_640x352_realproducer_plus_8.51.rm", /*None*/Some(1000), true, false, Some("rv20"));
}
}
projects / nihav.git / blobdiff