X-Git-Url: https://git.nihav.org/?p=nihav.git;a=blobdiff_plain;f=nihav-realmedia%2Fsrc%2Fcodecs%2Frv3040.rs;h=762d05459b3b11172f9f89b3c2aa321d8ac1086a;hp=dde0b04774ae413c54ae6b0949228e2b5a60e405;hb=379524159c95f1c3639976ccf35f9d47cd9732ac;hpb=1fdbd53e295c3876df7602cc5c5397730711ed24 diff --git a/nihav-realmedia/src/codecs/rv3040.rs b/nihav-realmedia/src/codecs/rv3040.rs index dde0b04..762d054 100644 --- a/nihav-realmedia/src/codecs/rv3040.rs +++ b/nihav-realmedia/src/codecs/rv3040.rs @@ -1,9 +1,10 @@ use nihav_core::formats::YUV420_FORMAT; use nihav_core::frame::{NABufferType, NAVideoInfo, NAVideoBuffer, NAVideoBufferRef, FrameType, alloc_video_buffer}; -use nihav_core::codecs::{NADecoderSupport, MV, ZERO_MV, DecoderError, DecoderResult, IPBShuffler}; +use nihav_core::codecs::{NADecoderSupport, DecoderError, DecoderResult}; +use nihav_codec_support::codecs::{MV, ZERO_MV, IPBShuffler}; use nihav_core::io::bitreader::{BitReader,BitReaderMode}; use nihav_core::io::intcode::*; -use nihav_core::data::GenericCache; +use nihav_codec_support::data::GenericCache; use std::mem; use super::rv34codes::*; @@ -325,13 +326,13 @@ impl MVInfo { } fn reset(&mut self) { let size = self.w * self.h; - self.mv_f.truncate(0); + self.mv_f.clear(); self.mv_f.resize(size, ZERO_MV); - self.mv_b.truncate(0); + self.mv_b.clear(); self.mv_b.resize(size, ZERO_MV); - self.has_f.truncate(0); + self.has_f.clear(); self.has_f.resize(size >> 2, false); - self.has_b.truncate(0); + self.has_b.clear(); self.has_b.resize(size >> 2, false); } fn fill(&mut self, mb_x: usize, mb_y: usize, fwd: bool, mv: MV) { @@ -502,7 +503,7 @@ pub trait RV34BitstreamDecoder { } pub trait RV34DSP { - fn loop_filter(&self, frame: &mut NAVideoBuffer, ftype: FrameType, mbinfo: &[RV34MBInfo], mb_w: usize, row: usize); + fn loop_filter(&self, frame: &mut NAVideoBuffer, ftype: FrameType, mbinfo: &[RV34MBInfo], mb_w: usize, mb_h: usize, row: usize); fn do_luma_mc(&self, frame: &mut NAVideoBuffer, prev_frame: &NAVideoBuffer, x: usize, y: usize, mv: MV, use16: bool, avg: bool); fn do_chroma_mc(&self, frame: &mut NAVideoBuffer, prev_frame: &NAVideoBuffer, x: usize, y: usize, comp: usize, mv: MV, use8: bool, avg: bool); } @@ -510,11 +511,11 @@ pub trait RV34DSP { fn parse_slice_offsets(src: &[u8], offsets: &mut Vec) -> DecoderResult<()> { let num_slices = (src[0] as usize) + 1; let ini_off = num_slices * 8 + 1; - offsets.truncate(0); + offsets.clear(); if ini_off >= src.len() { return Err(DecoderError::ShortData); } - let mut br = BitReader::new(&src[1..], ini_off - 1, BitReaderMode::BE); + let mut br = BitReader::new(&src[1..ini_off], BitReaderMode::BE); for i in 0..num_slices { br.skip(32)?; @@ -531,17 +532,33 @@ fn parse_slice_offsets(src: &[u8], offsets: &mut Vec) -> DecoderResult<() Ok(()) } -fn decode_slice_header(br: &mut BitReader, bd: &mut RV34BitstreamDecoder, slice_no: usize, slice_offs: &[usize], old_width: usize, old_height: usize) -> DecoderResult { +fn decode_slice_header(br: &mut BitReader, bd: &mut dyn RV34BitstreamDecoder, slice_no: usize, slice_offs: &[usize], old_width: usize, old_height: usize) -> DecoderResult { validate!(slice_no < slice_offs.len()); br.seek((slice_offs[slice_no] * 8) as u32)?; let mut shdr = bd.decode_slice_header(br, old_width, old_height)?; + if ((shdr.width == 0) || (shdr.height == 0)) && (shdr.ftype != FrameType::I) { + return Err(DecoderError::MissingReference); + } if slice_no < slice_offs.len() - 1 { let cur_pos = br.tell() as u32; br.seek((slice_offs[slice_no + 1] * 8) as u32)?; - let nhdr = bd.decode_slice_header(br, shdr.width, shdr.height)?; + if let Ok(nhdr) = bd.decode_slice_header(br, shdr.width, shdr.height) { + validate!(nhdr.start > shdr.start); + shdr.end = nhdr.start; + } else { + if slice_no + 2 < slice_offs.len() { + br.seek((slice_offs[slice_no + 2] * 8) as u32)?; + if let Ok(nhdr) = bd.decode_slice_header(br, shdr.width, shdr.height) { + validate!(nhdr.start > shdr.start); + shdr.end = nhdr.start; + } else { + shdr.end = ((shdr.width + 15) >> 4) * ((shdr.height + 15) >> 4); + } + } else { + shdr.end = ((shdr.width + 15) >> 4) * ((shdr.height + 15) >> 4); + } + } br.seek(cur_pos)?; - validate!(nhdr.start > shdr.start); - shdr.end = nhdr.start; } else { shdr.end = ((shdr.width + 15) >> 4) * ((shdr.height + 15) >> 4); } @@ -552,6 +569,9 @@ const RV34_MB_MAX_SIZES: [usize; 6] = [ 0x2F, 0x62, 0x18B, 0x62F, 0x18BF, 0x23FF const RV34_SLICE_START_BITS: [u8; 6] = [ 6, 7, 9, 11, 13, 14 ]; pub fn get_slice_start_offset_bits(w: usize, h: usize) -> u8 { + if (w == 0) || (h == 0) { + return 0; + } let mb_size = ((w + 15) >> 4) * ((h + 15) >> 4) - 1; let mut idx: usize = 0; while (idx < 5) && (RV34_MB_MAX_SIZES[idx] < mb_size) { idx += 1; } @@ -679,13 +699,13 @@ fn decode_mv(br: &mut BitReader) -> DecoderResult { Ok(MV{ x, y }) } -fn do_mc_16x16(dsp: &Box, buf: &mut NAVideoBuffer, prevbuf: &NAVideoBuffer, mb_x: usize, mb_y: usize, mv: MV, avg: bool) { +fn do_mc_16x16(dsp: &mut dyn RV34DSP, buf: &mut NAVideoBuffer, prevbuf: &NAVideoBuffer, mb_x: usize, mb_y: usize, mv: MV, avg: bool) { dsp.do_luma_mc (buf, prevbuf, mb_x * 16, mb_y * 16, mv, true, avg); dsp.do_chroma_mc(buf, prevbuf, mb_x * 8, mb_y * 8, 1, mv, true, avg); dsp.do_chroma_mc(buf, prevbuf, mb_x * 8, mb_y * 8, 2, mv, true, avg); } -fn do_mc_8x8(dsp: &Box, buf: &mut NAVideoBuffer, prevbuf: &NAVideoBuffer, mb_x: usize, xoff: usize, mb_y: usize, yoff: usize, mv: MV, avg: bool) { +fn do_mc_8x8(dsp: &mut dyn RV34DSP, buf: &mut NAVideoBuffer, prevbuf: &NAVideoBuffer, mb_x: usize, xoff: usize, mb_y: usize, yoff: usize, mv: MV, avg: bool) { dsp.do_luma_mc (buf, prevbuf, mb_x * 16 + xoff * 8, mb_y * 16 + yoff * 8, mv, false, avg); dsp.do_chroma_mc(buf, prevbuf, mb_x * 8 + xoff * 4, mb_y * 8 + yoff * 4, 1, mv, false, avg); dsp.do_chroma_mc(buf, prevbuf, mb_x * 8 + xoff * 4, mb_y * 8 + yoff * 4, 2, mv, false, avg); @@ -717,7 +737,7 @@ fn do_avg(cdsp: &RV34CommonDSP, buf: &mut NAVideoBuffer, avg_buf: &NAVideoBu pub struct RV34Decoder { is_rv30: bool, coderead: RV34Codes, - dsp: Box, + dsp: Box, cdsp: RV34CommonDSP, width: usize, height: usize, @@ -735,7 +755,7 @@ pub struct RV34Decoder { } impl RV34Decoder { - pub fn new(is_rv30: bool, dsp: Box) -> Self { + pub fn new(is_rv30: bool, dsp: Box) -> Self { let tmp_vinfo = NAVideoInfo::new(16, 16, false, YUV420_FORMAT); let vt = alloc_video_buffer(tmp_vinfo, 4).unwrap(); let vb = vt.get_vbuf(); @@ -757,7 +777,7 @@ impl RV34Decoder { base_ts: 0, } } - fn decode_mb_header_intra(&mut self, bd: &mut RV34BitstreamDecoder, br: &mut BitReader, is_i16: bool, im: &mut IntraModeState, q: u8, has_top: bool, has_dq: bool) -> DecoderResult { + fn decode_mb_header_intra(&mut self, bd: &mut dyn RV34BitstreamDecoder, br: &mut BitReader, is_i16: bool, im: &mut IntraModeState, q: u8, has_top: bool, has_dq: bool) -> DecoderResult { if is_i16 { let imode = br.read(2)? as i8; im.fill_block(imode); @@ -773,7 +793,7 @@ impl RV34Decoder { Ok(MBInfo { mbtype: MBType::MBIntra, skip_run: 0, dquant: dq }) } } - fn decode_mb_header_inter(&mut self, bd: &mut RV34BitstreamDecoder, br: &mut BitReader, ftype: FrameType, mbtype: MBType, im: &mut IntraModeState, q: u8, has_top: bool) -> DecoderResult { + fn decode_mb_header_inter(&mut self, bd: &mut dyn RV34BitstreamDecoder, br: &mut BitReader, ftype: FrameType, mbtype: MBType, im: &mut IntraModeState, q: u8, has_top: bool) -> DecoderResult { let hdr = bd.decode_inter_mb_hdr(br, ftype, mbtype)?; validate!(hdr.mbtype != MBType::Invalid); if hdr.dquant { @@ -904,19 +924,19 @@ impl RV34Decoder { MBType::MBP16x16 | MBType::MBP16x16Mix => { if let Some(ref prevbuf) = self.ipbs.get_lastref() { let mv = self.mvi.get_mv(mb_x, mb_y, 0, 0, true); - do_mc_16x16(&self.dsp, buf, prevbuf, mb_x, mb_y, mv, false); + do_mc_16x16(self.dsp.as_mut(), buf, prevbuf, mb_x, mb_y, mv, false); } }, MBType::MBForward => { if let Some(ref fwdbuf) = self.ipbs.get_b_fwdref() { let mv = self.mvi.get_mv(mb_x, mb_y, 0, 0, true); - do_mc_16x16(&self.dsp, buf, fwdbuf, mb_x, mb_y, mv, false); + do_mc_16x16(self.dsp.as_mut(), buf, fwdbuf, mb_x, mb_y, mv, false); } }, MBType::MBBackward => { if let Some(ref bwdbuf) = self.ipbs.get_b_bwdref() { let mv = self.mvi.get_mv(mb_x, mb_y, 0, 0, false); - do_mc_16x16(&self.dsp, buf, bwdbuf, mb_x, mb_y, mv, false); + do_mc_16x16(self.dsp.as_mut(), buf, bwdbuf, mb_x, mb_y, mv, false); } }, MBType::MBP8x8 | MBType::MBP8x16 | MBType::MBP16x8 => { @@ -924,14 +944,14 @@ impl RV34Decoder { for y in 0..2 { for x in 0..2 { let mv = self.mvi.get_mv(mb_x, mb_y, x, y, true); - do_mc_8x8(&self.dsp, buf, prevbuf, mb_x, x, mb_y, y, mv, false); + do_mc_8x8(self.dsp.as_mut(), buf, prevbuf, mb_x, x, mb_y, y, mv, false); } } } }, MBType::MBSkip if !self.is_b => { if let Some(ref prevbuf) = self.ipbs.get_lastref() { - do_mc_16x16(&self.dsp, buf, prevbuf, mb_x, mb_y, ZERO_MV, false); + do_mc_16x16(self.dsp.as_mut(), buf, prevbuf, mb_x, mb_y, ZERO_MV, false); } }, MBType::MBSkip | MBType::MBDirect => { @@ -939,8 +959,8 @@ impl RV34Decoder { for y in 0..2 { for x in 0..2 { let (mv_f, mv_b) = self.ref_mvi.get_mv(mb_x, mb_y, x, y, true).scale(sstate.trd, sstate.trb); - do_mc_8x8(&self.dsp, buf, fwdbuf, mb_x, x, mb_y, y, mv_f, false); - do_mc_8x8(&self.dsp, &mut self.avg_buf, bwdbuf, mb_x, x, mb_y, y, mv_b, true); + do_mc_8x8(self.dsp.as_mut(), buf, fwdbuf, mb_x, x, mb_y, y, mv_f, false); + do_mc_8x8(self.dsp.as_mut(), &mut self.avg_buf, bwdbuf, mb_x, x, mb_y, y, mv_b, true); do_avg(&self.cdsp, buf, &self.avg_buf, mb_x, x, mb_y, y, 8, self.ratio1, self.ratio2); } } @@ -950,8 +970,8 @@ impl RV34Decoder { if let (Some(ref fwdbuf), Some(ref bwdbuf)) = (self.ipbs.get_b_fwdref(), self.ipbs.get_b_bwdref()) { let mv_f = self.mvi.get_mv(mb_x, mb_y, 0, 0, true); let mv_b = self.mvi.get_mv(mb_x, mb_y, 0, 0, false); - do_mc_16x16(&self.dsp, buf, fwdbuf, mb_x, mb_y, mv_f, false); - do_mc_16x16(&self.dsp, &mut self.avg_buf, bwdbuf, mb_x, mb_y, mv_b, true); + do_mc_16x16(self.dsp.as_mut(), buf, fwdbuf, mb_x, mb_y, mv_f, false); + do_mc_16x16(self.dsp.as_mut(), &mut self.avg_buf, bwdbuf, mb_x, mb_y, mv_b, true); do_avg(&self.cdsp, buf, &self.avg_buf, mb_x, 0, mb_y, 0, 16, self.ratio1, self.ratio2); } }, @@ -1075,12 +1095,13 @@ impl RV34Decoder { } } - pub fn parse_frame(&mut self, supp: &mut NADecoderSupport, src: &[u8], bd: &mut RV34BitstreamDecoder) -> DecoderResult<(NABufferType, FrameType, u64)> { + #[allow(clippy::cognitive_complexity)] + pub fn parse_frame(&mut self, supp: &mut NADecoderSupport, src: &[u8], bd: &mut dyn RV34BitstreamDecoder) -> DecoderResult<(NABufferType, FrameType, u64)> { let mut slice_offs: Vec = Vec::new(); parse_slice_offsets(src, &mut slice_offs)?; let ini_off = slice_offs.len() * 8 + 1; - let mut br = BitReader::new(&src[ini_off..], src.len() - ini_off, BitReaderMode::BE); + let mut br = BitReader::new(&src[ini_off..], BitReaderMode::BE); let hdr0 = decode_slice_header(&mut br, bd, 0, slice_offs.as_slice(), self.width, self.height)?; validate!((hdr0.width != 0) && (hdr0.height != 0)); self.width = hdr0.width; @@ -1106,6 +1127,22 @@ impl RV34Decoder { self.base_ts += 1 << 13; } } + match hdr0.ftype { + FrameType::P => { + if self.ipbs.get_lastref().is_none() { + return Err(DecoderError::MissingReference); + } + }, + FrameType::B => { + if self.ipbs.get_lastref().is_none() { + return Err(DecoderError::MissingReference); + } + if self.ipbs.get_nextref().is_none() { + return Err(DecoderError::MissingReference); + } + }, + _ => {}, + }; let ts_diff = (self.next_ts << 3).wrapping_sub(hdr0.pts << 3) >> 3; let ts = self.base_ts + (self.next_ts as u64) - (ts_diff as u64); sstate.trd = (self.next_ts << 3).wrapping_sub(self.last_ts << 3) >> 3; @@ -1219,6 +1256,7 @@ impl RV34Decoder { sstate.q_dc = bd.quant_dc(true, q); self.decode_mb_intra(&sstate, &imode, &mut buf, &mut br, is_16)?; } else { + sstate.q_dc = bd.quant_dc(false, q); imode.fill_block(0); self.decode_mb_inter(&sstate, &mbh, &mut buf, &mut br, is_16)?; } @@ -1235,12 +1273,12 @@ impl RV34Decoder { mb_pos += 1; } if hdr0.deblock && (mb_y >= 1) { - self.dsp.loop_filter(&mut buf, hdr0.ftype, &mbinfo, mb_w, mb_y - 1); + self.dsp.loop_filter(&mut buf, hdr0.ftype, &mbinfo, mb_w, mb_h, mb_y - 1); } imode.update(); } if hdr0.deblock { - self.dsp.loop_filter(&mut buf, hdr0.ftype, &mbinfo, mb_w, mb_h - 1); + self.dsp.loop_filter(&mut buf, hdr0.ftype, &mbinfo, mb_w, mb_h, mb_h - 1); } if !self.is_b { self.ipbs.add_frame(buf.clone()); @@ -1250,4 +1288,7 @@ impl RV34Decoder { Ok((NABufferType::Video(buf), hdr0.ftype, ts)) } + pub fn flush(&mut self) { + self.ipbs.clear(); + } }