--- /dev/null
+/*
+ known bugs and limitations:
+ * weighted motion compensation is not implemented
+ * wrong slice boundary filtering
+ * not fully correct deblock strength selection for P/B-macroblocks
+ * scaling lists for 4x4 blocks
+*/
+use nihav_core::codecs::*;
+use nihav_core::io::byteio::*;
+use nihav_core::io::bitreader::*;
+use nihav_core::io::intcode::*;
+use nihav_codec_support::codecs::{MV, ZERO_MV};
+
+mod types;
+pub use types::*;
+mod pic_ref;
+pub use pic_ref::*;
+mod dsp;
+use dsp::*;
+mod cabac;
+use cabac::*;
+mod cabac_coder;
+use cabac_coder::*;
+mod cavlc;
+use cavlc::*;
+mod loopfilter;
+use loopfilter::*;
+mod sets;
+use sets::*;
+mod slice;
+use slice::*;
+
+trait ReadUE {
+ fn read_ue(&mut self) -> DecoderResult<u32>;
+ fn read_te(&mut self, range: u32) -> DecoderResult<u32>;
+ fn read_ue_lim(&mut self, max_val: u32) -> DecoderResult<u32> {
+ let val = self.read_ue()?;
+ validate!(val <= max_val);
+ Ok(val)
+ }
+ fn read_se(&mut self) -> DecoderResult<i32> {
+ let val = self.read_ue()?;
+ if (val & 1) != 0 {
+ Ok (((val >> 1) as i32) + 1)
+ } else {
+ Ok (-((val >> 1) as i32))
+ }
+ }
+}
+
+impl<'a> ReadUE for BitReader<'a> {
+ fn read_ue(&mut self) -> DecoderResult<u32> {
+ Ok(self.read_code(UintCodeType::GammaP)? - 1)
+ }
+ fn read_te(&mut self, range: u32) -> DecoderResult<u32> {
+ if range == 1 {
+ if self.read_bool()? {
+ Ok(0)
+ } else {
+ Ok(1)
+ }
+ } else {
+ let val = self.read_ue()?;
+ validate!(val <= range);
+ Ok(val)
+ }
+ }
+}
+
+#[derive(Clone,Copy)]
+pub struct Coeff8x8 {
+ pub coeffs: [i16; 64],
+}
+
+impl Coeff8x8 {
+ fn clear(&mut self) {
+ self.coeffs = [0; 64];
+ }
+}
+
+impl Default for Coeff8x8 {
+ fn default() -> Self {
+ Self {
+ coeffs: [0; 64],
+ }
+ }
+}
+
+#[derive(Clone,Copy,Default)]
+pub struct CurrentMBInfo {
+ pub mb_type: MBType,
+ pub sub_mb_type: [SubMBType; 4],
+ pub ipred: [IntraPredMode; 16],
+ pub chroma_ipred: u8,
+ pub luma_ipred: [u8; 16],
+ pub mv_l0: [MV; 16],
+ pub ref_l0: [PicRef; 4],
+ pub mv_l1: [MV; 16],
+ pub ref_l1: [PicRef; 4],
+ pub qp_y: u8,
+ pub cbpy: u8,
+ pub cbpc: u8,
+ pub coeffs: [[i16; 16]; 25],
+ pub coeffs8x8: [Coeff8x8; 4],
+ pub chroma_dc: [[i16; 4]; 2],
+ pub coded: [bool; 25],
+ pub transform_size_8x8: bool,
+}
+
+impl CurrentMBInfo {
+ fn clear_coeffs8x8(&mut self) {
+ for c in self.coeffs8x8.iter_mut() {
+ c.clear();
+ }
+ }
+ fn can_have_8x8_tx(&self, inference_flag: bool) -> bool {
+ match self.mb_type {
+ MBType::Intra4x4 | MBType::Intra8x8 | MBType::Intra16x16(_, _, _) | MBType::PCM => false,
+ MBType::P8x8 | MBType::P8x8Ref0 | MBType::B8x8 => {
+ for &sub_id in self.sub_mb_type.iter() {
+ match sub_id {
+ SubMBType::P8x8 |
+ SubMBType::B8x8(_)
+ => {},
+ SubMBType::Direct8x8
+ => if !inference_flag { return false; },
+ _ => return false,
+ };
+ }
+ true
+ },
+ MBType::Direct => inference_flag,
+ _ => true,
+ }
+ }
+}
+
+fn get_long_term_id(is_idr: bool, slice_hdr: &SliceHeader) -> Option<usize> {
+ if is_idr && !slice_hdr.long_term_reference {
+ None
+ } else {
+ let marking = &slice_hdr.adaptive_ref_pic_marking;
+ for (&op, &arg) in marking.memory_management_control_op.iter().zip(marking.operation_arg.iter()).take(marking.num_ops) {
+ if op == 6 {
+ return Some(arg as usize);
+ }
+ }
+ None
+ }
+}
+
+struct H264Decoder {
+ info: NACodecInfoRef,
+ width: usize,
+ height: usize,
+ num_mbs: usize,
+ nal_len: u8,
+ sps: Vec<SeqParameterSet>,
+ cur_sps: usize,
+ pps: Vec<PicParameterSet>,
+ cur_pps: usize,
+
+ skip_mode: FrameSkipMode,
+ deblock_skip: bool,
+
+ is_mbaff: bool,
+
+ cavlc_cb: CAVLCTables,
+
+ sstate: SliceState,
+
+ cur_pic: Option<PictureInfo>,
+ cur_id: u16,
+ has_pic: bool,
+ frame_refs: FrameRefs,
+
+ temporal_mv: bool,
+ deblock_mode: u8,
+ lf_alpha: i8,
+ lf_beta: i8,
+ is_s: bool,
+
+ ipcm_buf: [u8; 256 + 64 + 64],
+
+ avg_buf: NAVideoBufferRef<u8>,
+
+ transform_8x8_mode: bool,
+}
+
+fn unescape_nal(src: &[u8], dst: &mut Vec<u8>) -> usize {
+ let mut off = 0;
+ let mut zrun = 0;
+ dst.truncate(0);
+ dst.reserve(src.len());
+ while off < src.len() {
+ dst.push(src[off]);
+ if src[off] != 0 {
+ zrun = 0;
+ } else {
+ zrun += 1;
+ if zrun == 2 && off + 1 < src.len() && src[off + 1] == 0x03 {
+ zrun = 0;
+ off += 1;
+ }
+ if zrun >= 3 && off + 1 < src.len() && src[off + 1] == 0x01 {
+ off -= 3;
+ dst.truncate(off);
+ break;
+ }
+ }
+ off += 1;
+ }
+ off
+}
+
+impl H264Decoder {
+ fn new() -> Self {
+ let avg_vi = NAVideoInfo { width: 32, height: 32, flipped: false, format: YUV420_FORMAT, bits: 12 };
+ let avg_buf = alloc_video_buffer(avg_vi, 4).unwrap().get_vbuf().unwrap();
+ H264Decoder{
+ info: NACodecInfoRef::default(),
+ width: 0,
+ height: 0,
+ num_mbs: 0,
+ nal_len: 0,
+ sps: Vec::with_capacity(1),
+ cur_sps: 0,
+ pps: Vec::with_capacity(3),
+ cur_pps: 0,
+
+ skip_mode: FrameSkipMode::default(),
+ deblock_skip: false,
+
+ is_mbaff: false,
+
+ cavlc_cb: CAVLCTables::new(),
+
+ sstate: SliceState::new(),
+ cur_pic: None,
+ cur_id: 0,
+ has_pic: false,
+ frame_refs: FrameRefs::new(),
+
+ temporal_mv: false,
+ deblock_mode: 0,
+ lf_alpha: 0,
+ lf_beta: 0,
+ is_s: false,
+
+ ipcm_buf: [0; 256 + 64 + 64],
+
+ avg_buf,
+
+ transform_8x8_mode: false,
+ }
+ }
+ fn handle_nal(&mut self, src: &[u8], supp: &mut NADecoderSupport, skip_decoding: bool) -> DecoderResult<()> {
+ validate!(!src.is_empty());
+ validate!((src[0] & 0x80) == 0);
+ let nal_ref_idc = src[0] >> 5;
+ let nal_unit_type = src[0] & 0x1F;
+
+ let mut full_size = src.len() * 8;
+ for &byte in src.iter().rev() {
+ if byte == 0 {
+ full_size -= 8;
+ } else {
+ full_size -= (byte.trailing_zeros() + 1) as usize;
+ break;
+ }
+ }
+ validate!(full_size > 0);
+ match nal_unit_type {
+ 1 | 5 if !skip_decoding => {
+ let is_idr = nal_unit_type == 5;
+ let mut br = BitReader::new(&src[..(full_size + 7)/8], BitReaderMode::BE);
+ br.skip(8)?;
+
+ let slice_hdr = parse_slice_header(&mut br, &self.sps, &self.pps, is_idr, nal_ref_idc)?;
+ validate!(br.tell() < full_size);
+ let full_id;
+ if slice_hdr.first_mb_in_slice == 0 {
+ validate!(self.cur_pic.is_none());
+ for (i, pps) in self.pps.iter().enumerate() {
+ if pps.pic_parameter_set_id == slice_hdr.pic_parameter_set_id {
+ self.cur_pps = i;
+ break;
+ }
+ }
+ for (i, sps) in self.sps.iter().enumerate() {
+ if sps.seq_parameter_set_id == self.pps[self.cur_pps].seq_parameter_set_id {
+ self.cur_sps = i;
+ break;
+ }
+ }
+
+ full_id = self.frame_refs.calc_picture_num(&slice_hdr, is_idr, nal_ref_idc, &self.sps[self.cur_sps]);
+
+ let sps = &self.sps[self.cur_sps];
+ if sps.chroma_format_idc != 1 || sps.bit_depth_luma != 8 || sps.bit_depth_chroma != 8 {
+println!(" chroma fmt {} bits {}/{}", sps.chroma_format_idc, sps.bit_depth_luma, sps.bit_depth_chroma);
+ return Err(DecoderError::NotImplemented);
+ }
+ //let pps = &self.pps[self.cur_pps];
+
+ if is_idr {
+ self.frame_refs.clear_refs();
+ }
+
+ self.width = sps.pic_width_in_mbs << 4;
+ self.height = sps.pic_height_in_mbs << 4;
+ self.num_mbs = sps.pic_width_in_mbs * sps.pic_height_in_mbs;
+
+ self.is_mbaff = sps.mb_adaptive_frame_field && !slice_hdr.field_pic;
+ if self.is_mbaff {
+println!("MBAFF");
+ return Err(DecoderError::NotImplemented);
+ }
+ if !sps.frame_mbs_only {
+println!("PAFF?");
+ return Err(DecoderError::NotImplemented);
+ }
+
+//if slice_hdr.slice_type.is_b() { return Ok(()); }
+ self.cur_id = full_id as u16;
+ } else {
+ if let Some(ref mut pic) = self.cur_pic {
+ validate!(pic.cur_mb == slice_hdr.first_mb_in_slice);
+ let new_type = slice_hdr.slice_type.to_frame_type();
+ pic.pic_type = match (pic.pic_type, new_type) {
+ (FrameType::I, _) => new_type,
+ (_, FrameType::B) => FrameType::B,
+ _ => pic.pic_type,
+ };
+ full_id = pic.full_id;
+ } else {
+ return Ok(());//Err(DecoderError::InvalidData);
+ }
+ validate!(self.cur_pps < self.pps.len() && self.pps[self.cur_pps].pic_parameter_set_id == slice_hdr.pic_parameter_set_id);
+ }
+
+ let sps = &self.sps[self.cur_sps];
+ let pps = &self.pps[self.cur_pps];
+
+ self.temporal_mv = !slice_hdr.direct_spatial_mv_pred;
+ self.is_s = slice_hdr.slice_type == SliceType::SI || slice_hdr.slice_type == SliceType::SP;
+ self.deblock_mode = slice_hdr.disable_deblocking_filter_idc;
+ self.lf_alpha = slice_hdr.slice_alpha_c0_offset;
+ self.lf_beta = slice_hdr.slice_beta_offset;
+
+ self.frame_refs.select_refs(sps, &slice_hdr, full_id);
+
+ if slice_hdr.adaptive_ref_pic_marking_mode {
+ self.frame_refs.apply_adaptive_marking(&slice_hdr.adaptive_ref_pic_marking, slice_hdr.frame_num, 1 << self.sps[self.cur_sps].log2_max_frame_num)?;
+ }
+ if slice_hdr.first_mb_in_slice == 0 {
+ let ret = supp.pool_u8.get_free();
+ if ret.is_none() {
+ return Err(DecoderError::AllocError);
+ }
+ let tmp_vinfo = NAVideoInfo::new(self.width, self.height, false, YUV420_FORMAT);
+ let mut buf = ret.unwrap();
+ if buf.get_info() != tmp_vinfo {
+ supp.pool_u8.reset();
+ supp.pool_u8.prealloc_video(tmp_vinfo, 4)?;
+ let ret = supp.pool_u8.get_free();
+ if ret.is_none() {
+ return Err(DecoderError::AllocError);
+ }
+ buf = ret.unwrap();
+ }
+ self.cur_pic = Some(PictureInfo {
+ id: slice_hdr.frame_num,
+ full_id,
+ pic_type: slice_hdr.slice_type.to_frame_type(),
+ buf,
+ cur_mb: 0,
+ is_ref: nal_ref_idc != 0,
+ long_term: get_long_term_id(is_idr, &slice_hdr),
+ mv_info: FrameMV::new(sps.pic_width_in_mbs, sps.pic_height_in_mbs),
+ });
+ }
+
+ self.transform_8x8_mode = pps.transform_8x8_mode;
+
+ self.sstate.reset(sps.pic_width_in_mbs, sps.pic_height_in_mbs, slice_hdr.first_mb_in_slice);
+ if !pps.entropy_coding_mode {
+ self.has_pic = self.decode_slice_cavlc(&mut br, &slice_hdr, full_size)?;
+ } else {
+ br.align();
+ let start = (br.tell() / 8) as usize;
+ let csrc = &src[start..];
+ validate!(csrc.len() >= 2);
+ let mut cabac = CABAC::new(csrc, slice_hdr.slice_type, slice_hdr.slice_qp, slice_hdr.cabac_init_idc as usize)?;
+ self.has_pic = self.decode_slice_cabac(&mut cabac, &slice_hdr)?;
+ }
+ if !self.deblock_skip && self.deblock_mode != 1 {
+ if let Some(ref mut pic) = self.cur_pic {
+ let mut frm = NASimpleVideoFrame::from_video_buf(&mut pic.buf).unwrap();
+ if self.sstate.mb_x != 0 {
+ loop_filter_row(&mut frm, &self.sstate, self.lf_alpha, self.lf_beta);
+ }
+ loop_filter_last(&mut frm, &self.sstate, self.lf_alpha, self.lf_beta);
+ }
+ }
+ },
+ 2 => { // slice data partition A
+ //slice header
+ //slice id = read_ue()
+ //cat 2 slice data (all but MB layer residual)
+ return Err(DecoderError::NotImplemented);
+ },
+ 3 => { // slice data partition B
+ //slice id = read_ue()
+ //if pps.redundant_pic_cnt_present { redundant_pic_cnt = read_ue() }
+ //cat 3 slice data (MB layer residual)
+ return Err(DecoderError::NotImplemented);
+ },
+ 4 => { // slice data partition C
+ //slice id = read_ue()
+ //if pps.redundant_pic_cnt_present { redundant_pic_cnt = read_ue() }
+ //cat 4 slice data (MB layer residual)
+ return Err(DecoderError::NotImplemented);
+ },
+ 6 => {}, //SEI
+ 7 => {
+ let sps = parse_sps(&src[1..])?;
+ self.sps.push(sps);
+ },
+ 8 => {
+ validate!(full_size >= 8 + 16);
+ let pps = parse_pps(&src[1..], &self.sps, full_size - 8)?;
+ let mut found = false;
+ for stored_pps in self.pps.iter_mut() {
+ if stored_pps.pic_parameter_set_id == pps.pic_parameter_set_id {
+ *stored_pps = pps.clone();
+ found = true;
+ break;
+ }
+ }
+ if !found {
+ self.pps.push(pps);
+ }
+ },
+ 9 => { // access unit delimiter
+ },
+ 10 => {}, //end of sequence
+ 11 => {}, //end of stream
+ 12 => {}, //filler
+ _ => {},
+ };
+
+ Ok(())
+ }
+ fn pred_intra(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, mb_info: &CurrentMBInfo) {
+ let yoff = frm.offset[0] + sstate.mb_x * 16 + sstate.mb_y * 16 * frm.stride[0];
+ match mb_info.mb_type {
+ MBType::Intra16x16(imode, _, _) => {
+ let id = if imode != 2 || (sstate.has_top && sstate.has_left) {
+ imode as usize
+ } else if !sstate.has_top && !sstate.has_left {
+ IPRED8_DC128
+ } else if !sstate.has_left {
+ IPRED8_DC_TOP
+ } else {
+ IPRED8_DC_LEFT
+ };
+ IPRED_FUNCS16X16[id](frm.data, yoff, frm.stride[0]);
+ },
+ MBType::Intra8x8 => {
+ let mut ictx = IPred8Context::new();
+ for part in 0..4 {
+ let x = (part & 1) * 2;
+ let y = part & 2;
+ let blk4 = x + y * 4;
+
+ let cur_yoff = yoff + x * 4 + y * 4 * frm.stride[0];
+ let has_top = y > 0 || sstate.has_top;
+ let has_left = x > 0 || sstate.has_left;
+ let imode = mb_info.ipred[blk4];
+ let id = if imode != IntraPredMode::DC || (has_top && has_left) {
+ let im_id: u8 = imode.into();
+ im_id as usize
+ } else if !has_top && !has_left {
+ IPRED4_DC128
+ } else if !has_left {
+ IPRED4_DC_TOP
+ } else {
+ IPRED4_DC_LEFT
+ };
+ let mb_idx = sstate.mb_x + sstate.mb_y * sstate.mb_w;
+ let noright = (y == 2 || sstate.mb_x == sstate.mb_w - 1 || mb_idx < sstate.mb_start + sstate.mb_w) && (x == 2);
+ let has_tl = (has_top && x > 0) || (has_left && y > 0) || (x == 0 && y == 0 && sstate.mb_x > 0 && mb_idx > sstate.mb_start + sstate.mb_w);
+ if id != IPRED4_DC128 {
+ ictx.fill(frm.data, cur_yoff, frm.stride[0], has_top, has_top && !noright, has_left, has_tl);
+ }
+ IPRED_FUNCS8X8_LUMA[id](&mut frm.data[cur_yoff..], frm.stride[0], &ictx);
+ if mb_info.coded[blk4] {
+ add_coeffs8(frm.data, cur_yoff, frm.stride[0], &mb_info.coeffs8x8[part].coeffs);
+ }
+ }
+ },
+ MBType::Intra4x4 => {
+ for &(x,y) in I4X4_SCAN.iter() {
+ let x = x as usize;
+ let y = y as usize;
+ let cur_yoff = yoff + x * 4 + y * 4 * frm.stride[0];
+ let has_top = y > 0 || sstate.has_top;
+ let has_left = x > 0 || sstate.has_left;
+ let imode = mb_info.ipred[x + y * 4];
+ let id = if imode != IntraPredMode::DC || (has_top && has_left) {
+ let im_id: u8 = imode.into();
+ im_id as usize
+ } else if !has_top && !has_left {
+ IPRED4_DC128
+ } else if !has_left {
+ IPRED4_DC_TOP
+ } else {
+ IPRED4_DC_LEFT
+ };
+ let noright = (sstate.mb_x == sstate.mb_w - 1 || sstate.mb_x + sstate.mb_y * sstate.mb_w < sstate.mb_start + sstate.mb_w) && (x == 3);
+ let tr: [u8; 4] = if y == 0 {
+ if has_top && !noright {
+ let i = cur_yoff - frm.stride[0];
+ [frm.data[i + 4], frm.data[i + 5], frm.data[i + 6], frm.data[i + 7]]
+ } else if has_top {
+ let i = cur_yoff - frm.stride[0];
+ [frm.data[i + 3], frm.data[i + 3], frm.data[i + 3], frm.data[i + 3]]
+ } else {
+ [0; 4]
+ }
+ } else if (x & 1) == 0 || (x == 1 && y == 2) {
+ let i = cur_yoff - frm.stride[0];
+ [frm.data[i + 4], frm.data[i + 5], frm.data[i + 6], frm.data[i + 7]]
+ } else {
+ let i = cur_yoff - frm.stride[0];
+ [frm.data[i + 3], frm.data[i + 3], frm.data[i + 3], frm.data[i + 3]]
+ };
+ IPRED_FUNCS4X4[id](frm.data, cur_yoff, frm.stride[0], &tr);
+ if mb_info.coded[x + y * 4] {
+ add_coeffs(frm.data, cur_yoff, frm.stride[0], &mb_info.coeffs[x + y * 4]);
+ }
+ }
+ },
+ _ => unreachable!(),
+ };
+ let id = if mb_info.chroma_ipred != 0 || (sstate.has_top && sstate.has_left) {
+ mb_info.chroma_ipred as usize
+ } else if !sstate.has_top && !sstate.has_left {
+ IPRED8_DC128
+ } else if !sstate.has_left {
+ IPRED8_DC_TOP
+ } else {
+ IPRED8_DC_LEFT
+ };
+ for chroma in 1..3 {
+ let off = frm.offset[chroma] + sstate.mb_x * 8 + sstate.mb_y * 8 * frm.stride[chroma];
+ IPRED_FUNCS8X8_CHROMA[id](frm.data, off, frm.stride[chroma]);
+ }
+ }
+ fn add_luma(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, mb_info: &CurrentMBInfo) {
+ let mut yoff = frm.offset[0] + sstate.mb_x * 16 + sstate.mb_y * 16 * frm.stride[0];
+ if !mb_info.transform_size_8x8 {
+ for y in 0..4 {
+ for x in 0..4 {
+ if mb_info.coded[x + y * 4] {
+ add_coeffs(frm.data, yoff + x * 4, frm.stride[0], &mb_info.coeffs[x + y * 4]);
+ }
+ }
+ yoff += frm.stride[0] * 4;
+ }
+ } else {
+ for y in 0..2 {
+ for x in 0..2 {
+ if mb_info.coded[x * 2 + y * 2 * 4] {
+ add_coeffs8(frm.data, yoff + x * 8, frm.stride[0], &mb_info.coeffs8x8[x + y * 2].coeffs);
+ }
+ }
+ yoff += frm.stride[0] * 8;
+ }
+ }
+ }
+ fn add_chroma(frm: &mut NASimpleVideoFrame<u8>, sstate: &SliceState, mb_info: &CurrentMBInfo) {
+ for chroma in 1..3 {
+ let mut off = frm.offset[chroma] + sstate.mb_x * 8 + sstate.mb_y * 8 * frm.stride[chroma];
+ for y in 0..2 {
+ for x in 0..2 {
+ let blk_no = 16 + (chroma - 1) * 4 + x + y * 2;
+ if mb_info.coded[blk_no] || mb_info.coeffs[blk_no][0] != 0 {
+ add_coeffs(frm.data, off + x * 4, frm.stride[chroma], &mb_info.coeffs[blk_no]);
+ }
+ }
+ off += frm.stride[chroma] * 4;
+ }
+ }
+ }
+ fn pred_mv(sstate: &mut SliceState, frame_refs: &FrameRefs, mb_info: &mut CurrentMBInfo, cur_id: u16, temporal_mv: bool) {
+ let mb_type = mb_info.mb_type;
+ if !mb_type.is_4x4() {
+ let (pw, ph) = mb_type.size();
+ let mut xoff = 0;
+ let mut yoff = 0;
+ if mb_type == MBType::Direct || mb_type == MBType::BSkip {
+ sstate.predict_direct_mb(frame_refs, temporal_mv, cur_id);
+ }
+ for part in 0..mb_type.num_parts() {
+ if !mb_type.is_l1(part) {
+ match mb_type {
+ MBType::PSkip => sstate.predict_pskip(),
+ MBType::BSkip | MBType::Direct => {
+ },
+ _ => {
+ sstate.predict(xoff, yoff, pw, ph, 0,
+ mb_info.mv_l0[part], mb_info.ref_l0[part]);
+ },
+ };
+ }
+ if !mb_type.is_l0(part) && mb_type != MBType::BSkip && mb_type != MBType::Direct {
+ sstate.predict(xoff, yoff, pw, ph, 1, mb_info.mv_l1[part], mb_info.ref_l1[part]);
+ }
+ if pw != 16 {
+ xoff += pw;
+ } else {
+ yoff += ph;
+ }
+ }
+ } else {
+ for part in 0..4 {
+ let sub_type = mb_info.sub_mb_type[part];
+ let mut xoff = (part & 1) * 8;
+ let mut yoff = (part & 2) * 4;
+ let orig_x = xoff;
+ let (pw, ph) = sub_type.size();
+ for subpart in 0..sub_type.num_parts() {
+ if sub_type != SubMBType::Direct8x8 {
+ if !sub_type.is_l1() {
+ sstate.predict(xoff, yoff, pw, ph, 0, mb_info.mv_l0[part * 4 + subpart], mb_info.ref_l0[part]);
+ }
+ if !sub_type.is_l0() {
+ sstate.predict(xoff, yoff, pw, ph, 1, mb_info.mv_l1[part * 4 + subpart], mb_info.ref_l1[part]);
+ }
+ } else {
+ for sblk in 0..4 {
+ sstate.predict_direct_sub(frame_refs, temporal_mv, cur_id, (xoff / 4) + (sblk & 1) + (yoff / 4) * 4 + (sblk & 2) * 2);
+ }
+ }
+ xoff += pw;
+ if xoff == orig_x + 8 {
+ xoff -= 8;
+ yoff += ph;
+ }
+ }
+ }
+ }
+ }
+ fn handle_macroblock(&mut self, mb_info: &mut CurrentMBInfo) {
+ let pps = &self.pps[self.cur_pps];
+
+ let qp_y = mb_info.qp_y;
+ let qpr = ((qp_y as i8) + pps.chroma_qp_index_offset).max(0).min(51) as usize;
+ let qp_u = CHROMA_QUANTS[qpr];
+ let qpb = ((qp_y as i8) + pps.second_chroma_qp_index_offset).max(0).min(51) as usize;
+ let qp_v = CHROMA_QUANTS[qpb];
+
+ let tx_bypass = qp_y == 0 && self.sps[self.cur_sps].qpprime_y_zero_transform_bypass;
+
+ self.sstate.get_cur_mb().mb_type = mb_info.mb_type.into();
+ if mb_info.mb_type != MBType::PCM {
+ self.sstate.get_cur_mb().qp_y = qp_y;
+ self.sstate.get_cur_mb().qp_u = qp_u;
+ self.sstate.get_cur_mb().qp_v = qp_v;
+ self.sstate.get_cur_mb().transform_8x8 = mb_info.transform_size_8x8;
+ }
+ let has_dc = mb_info.mb_type.is_intra16x16() && mb_info.coded[24];
+ if has_dc {
+ idct_luma_dc(&mut mb_info.coeffs[24], qp_y);
+ for i in 0..16 {
+ mb_info.coeffs[i][0] = mb_info.coeffs[24][i];
+ }
+ }
+ if !mb_info.transform_size_8x8 {
+ let quant_dc = !mb_info.mb_type.is_intra16x16();
+ for i in 0..16 {
+ if mb_info.coded[i] {
+ if !tx_bypass {
+ idct(&mut mb_info.coeffs[i], qp_y, quant_dc);
+ }
+ } else if has_dc {
+ if !tx_bypass {
+ idct_dc(&mut mb_info.coeffs[i], qp_y, quant_dc);
+ }
+ mb_info.coded[i] = true;
+ }
+ }
+ } else {
+ for i in 0..4 {
+ if mb_info.coded[(i & 1) * 2 + (i & 2) * 4] && !tx_bypass {
+ dequant8x8(&mut mb_info.coeffs8x8[i].coeffs, &pps.scaling_list_8x8[!mb_info.mb_type.is_intra() as usize]);
+ idct8x8(&mut mb_info.coeffs8x8[i].coeffs, qp_y);
+ }
+ }
+ }
+ for chroma in 0..2 {
+ let qp_c = if chroma == 0 { qp_u } else { qp_v };
+ if mb_info.cbpc != 0 {
+ chroma_dc_transform(&mut mb_info.chroma_dc[chroma], qp_c);
+ }
+ for i in 0..4 {
+ let blk_no = 16 + chroma * 4 + i;
+ mb_info.coeffs[blk_no][0] = mb_info.chroma_dc[chroma][i];
+ if mb_info.coded[blk_no] {
+ idct(&mut mb_info.coeffs[blk_no], qp_c, false);
+ } else if mb_info.coeffs[blk_no][0] != 0 {
+ idct_dc(&mut mb_info.coeffs[blk_no], qp_c, false);
+ mb_info.coded[blk_no] = true;
+ }
+ }
+ }
+ if !pps.entropy_coding_mode || mb_info.mb_type.is_skip() || mb_info.mb_type.is_intra() {
+ self.sstate.reset_mb_mv();
+ }
+ if !mb_info.mb_type.is_intra() {
+ Self::pred_mv(&mut self.sstate, &self.frame_refs, mb_info, self.cur_id, self.temporal_mv);
+ }
+ if !pps.constrained_intra_pred && mb_info.mb_type != MBType::Intra4x4 && mb_info.mb_type != MBType::Intra8x8 {
+ self.sstate.fill_ipred(IntraPredMode::DC);
+ }
+
+ let xpos = self.sstate.mb_x * 16;
+ let ypos = self.sstate.mb_y * 16;
+ if let Some(ref mut pic) = self.cur_pic {
+ let mut frm = NASimpleVideoFrame::from_video_buf(&mut pic.buf).unwrap();
+ match mb_info.mb_type {
+ MBType::Intra16x16(_, _, _) => {
+ Self::pred_intra(&mut frm, &self.sstate, &mb_info);
+ },
+ MBType::Intra4x4 | MBType::Intra8x8 => {
+ Self::pred_intra(&mut frm, &self.sstate, &mb_info);
+ },
+ MBType::PCM => {},
+ MBType::PSkip => {
+ let mv = self.sstate.get_cur_blk4(0).mv[0];
+ let rpic = self.frame_refs.select_ref_pic(0, 0);
+ Self::do_p_mc(&mut frm, xpos, ypos, 16, 16, mv, rpic);
+ },
+ MBType::P16x16 => {
+ let mv = self.sstate.get_cur_blk4(0).mv[0];
+ let rpic = self.frame_refs.select_ref_pic(0, mb_info.ref_l0[0].index());
+ Self::do_p_mc(&mut frm, xpos, ypos, 16, 16, mv, rpic);
+ },
+ MBType::P16x8 | MBType::P8x16 => {
+ let (bw, bh, bx, by) = if mb_info.mb_type == MBType::P16x8 {
+ (16, 8, 0, 8)
+ } else {
+ (8, 16, 8, 0)
+ };
+ let mv = self.sstate.get_cur_blk4(0).mv[0];
+ let rpic = self.frame_refs.select_ref_pic(0, mb_info.ref_l0[0].index());
+ Self::do_p_mc(&mut frm, xpos, ypos, bw, bh, mv, rpic);
+ let mv = self.sstate.get_cur_blk4(bx / 4 + by).mv[0];
+ let rpic = self.frame_refs.select_ref_pic(0, mb_info.ref_l0[1].index());
+ Self::do_p_mc(&mut frm, xpos + bx, ypos + by, bw, bh, mv, rpic);
+ },
+ MBType::P8x8 | MBType::P8x8Ref0 => {
+ for part in 0..4 {
+ let bx = (part & 1) * 8;
+ let by = (part & 2) * 4;
+ if let Some(buf) = self.frame_refs.select_ref_pic(0, mb_info.ref_l0[part].index()) {
+ let mv = self.sstate.get_cur_blk4(bx / 4 + by).mv[0];
+
+ match mb_info.sub_mb_type[part] {
+ SubMBType::P8x8 => {
+ do_mc(&mut frm, buf, xpos + bx, ypos + by, 8, 8, mv);
+ },
+ SubMBType::P8x4 => {
+ do_mc(&mut frm, buf.clone(), xpos + bx, ypos + by, 8, 4, mv);
+ let mv = self.sstate.get_cur_blk4(bx / 4 + by + 4).mv[0];
+ do_mc(&mut frm, buf, xpos + bx, ypos + by + 4, 8, 4, mv);
+ },
+ SubMBType::P4x8 => {
+ do_mc(&mut frm, buf.clone(), xpos + bx, ypos + by, 4, 8, mv);
+ let mv = self.sstate.get_cur_blk4(bx / 4 + by + 1).mv[0];
+ do_mc(&mut frm, buf, xpos + bx + 4, ypos + by, 4, 8, mv);
+ },
+ SubMBType::P4x4 => {
+ for sb_no in 0..4 {
+ let sxpos = xpos + bx + (sb_no & 1) * 4;
+ let sypos = ypos + by + (sb_no & 2) * 2;
+ let sblk_no = (bx / 4 + (sb_no & 1)) + ((by / 4) + (sb_no >> 1)) * 4;
+ let mv = self.sstate.get_cur_blk4(sblk_no).mv[0];
+ do_mc(&mut frm, buf.clone(), sxpos, sypos, 4, 4, mv);
+ }
+ },
+ _ => unreachable!(),
+ };
+ } else {
+ gray_block(&mut frm, xpos + bx, ypos + by, 8, 8);
+ }
+ }
+ },
+ MBType::B16x16(mode) => {
+ let mv0 = self.sstate.get_cur_blk4(0).mv[0];
+ let rpic0 = self.frame_refs.select_ref_pic(0, mb_info.ref_l0[0].index());
+ let mv1 = self.sstate.get_cur_blk4(0).mv[1];
+ let rpic1 = self.frame_refs.select_ref_pic(1, mb_info.ref_l1[0].index());
+ Self::do_b_mc(&mut frm, mode, xpos, ypos, 16, 16, mv0, rpic0, mv1, rpic1, &mut self.avg_buf);
+ },
+ MBType::B16x8(mode0, mode1) | MBType::B8x16(mode0, mode1) => {
+ let (pw, ph) = mb_info.mb_type.size();
+ let (px, py) = (pw & 8, ph & 8);
+ let modes = [mode0, mode1];
+ let (mut bx, mut by) = (0, 0);
+ for part in 0..2 {
+ let blk = if part == 0 { 0 } else { (px / 4) + py };
+ let mv0 = self.sstate.get_cur_blk4(blk).mv[0];
+ let rpic0 = self.frame_refs.select_ref_pic(0, mb_info.ref_l0[part].index());
+ let mv1 = self.sstate.get_cur_blk4(blk).mv[1];
+ let rpic1 = self.frame_refs.select_ref_pic(1, mb_info.ref_l1[part].index());
+ Self::do_b_mc(&mut frm, modes[part], xpos + bx, ypos + by, pw, ph, mv0, rpic0, mv1, rpic1, &mut self.avg_buf);
+ bx += px;
+ by += py;
+ }
+ },
+ MBType::Direct | MBType::BSkip => {
+ let is_16x16 = self.frame_refs.get_colocated_info(self.sstate.mb_x, self.sstate.mb_y).0.mb_type.is_16x16();
+ if is_16x16 || !self.temporal_mv {
+ let mv = self.sstate.get_cur_blk4(0).mv;
+ let ref_idx = self.sstate.get_cur_blk8(0).ref_idx;
+ let rpic0 = self.frame_refs.select_ref_pic(0, ref_idx[0].index());
+ let rpic1 = self.frame_refs.select_ref_pic(1, ref_idx[1].index());
+ Self::do_b_mc(&mut frm, BMode::Bi, xpos, ypos, 16, 16, mv[0], rpic0, mv[1], rpic1, &mut self.avg_buf);
+ } else {
+ for blk4 in 0..16 {
+ let mv = self.sstate.get_cur_blk4(blk4).mv;
+ let ref_idx = self.sstate.get_cur_blk8(blk4_to_blk8(blk4)).ref_idx;
+ let rpic0 = self.frame_refs.select_ref_pic(0, ref_idx[0].index());
+ let rpic1 = self.frame_refs.select_ref_pic(1, ref_idx[1].index());
+ Self::do_b_mc(&mut frm, BMode::Bi, xpos + (blk4 & 3) * 4, ypos + (blk4 >> 2) * 4, 4, 4, mv[0], rpic0, mv[1], rpic1, &mut self.avg_buf);
+ }
+ }
+ self.sstate.apply_to_blk8(|blk8| { blk8.ref_idx[0].set_direct(); blk8.ref_idx[1].set_direct(); });
+ },
+ MBType::B8x8 => {
+ for part in 0..4 {
+ let ridx = self.sstate.get_cur_blk8(part).ref_idx;
+ let rpic0 = self.frame_refs.select_ref_pic(0, ridx[0].index());
+ let rpic1 = self.frame_refs.select_ref_pic(1, ridx[1].index());
+ let subtype = mb_info.sub_mb_type[part];
+ let blk8 = (part & 1) * 2 + (part & 2) * 4;
+ let mut bx = (part & 1) * 8;
+ let mut by = (part & 2) * 4;
+ match subtype {
+ SubMBType::Direct8x8 => {
+ for blk in 0..4 {
+ let mv = self.sstate.get_cur_blk4(bx / 4 + (by / 4) * 4).mv;
+ let ref_idx = self.sstate.get_cur_blk8(bx / 8 + (by / 8) * 2).ref_idx;
+ let rpic0 = self.frame_refs.select_ref_pic(0, ref_idx[0].index());
+ let rpic1 = self.frame_refs.select_ref_pic(1, ref_idx[1].index());
+ Self::do_b_mc(&mut frm, BMode::Bi, xpos + bx, ypos + by, 4, 4, mv[0], rpic0, mv[1], rpic1, &mut self.avg_buf);
+ bx += 4;
+ if blk == 1 {
+ bx -= 8;
+ by += 4;
+ }
+ }
+ self.sstate.get_cur_blk8(part).ref_idx[0].set_direct();
+ self.sstate.get_cur_blk8(part).ref_idx[1].set_direct();
+ },
+ SubMBType::B8x8(mode) => {
+ let mv = self.sstate.get_cur_blk4(blk8).mv;
+ Self::do_b_mc(&mut frm, mode, xpos + bx, ypos + by, 8, 8, mv[0], rpic0, mv[1], rpic1, &mut self.avg_buf);
+ },
+ SubMBType::B8x4(mode) | SubMBType::B4x8(mode) => {
+ let (pw, ph) = subtype.size();
+ let mv = self.sstate.get_cur_blk4(blk8).mv;
+ Self::do_b_mc(&mut frm, mode, xpos + bx, ypos + by, pw, ph, mv[0], rpic0.clone(), mv[1], rpic1.clone(), &mut self.avg_buf);
+ let addr2 = blk8 + (pw & 4) / 4 + (ph & 4);
+ let mv = self.sstate.get_cur_blk4(addr2).mv;
+ Self::do_b_mc(&mut frm, mode, xpos + bx + (pw & 4), ypos + by + (ph & 4), pw, ph, mv[0], rpic0, mv[1], rpic1, &mut self.avg_buf);
+ },
+ SubMBType::B4x4(mode) => {
+ for i in 0..4 {
+ let addr2 = blk8 + (i & 1) + (i & 2) * 2;
+ let mv = self.sstate.get_cur_blk4(addr2).mv;
+ Self::do_b_mc(&mut frm, mode, xpos + bx, ypos + by, 4, 4, mv[0], rpic0.clone(), mv[1], rpic1.clone(), &mut self.avg_buf);
+ bx += 4;
+ if i == 1 {
+ bx -= 8;
+ by += 4;
+ }
+ }
+ },
+ _ => unreachable!(),
+ };
+ }
+ },
+ };
+ if mb_info.mb_type == MBType::PCM {
+ for (dline, src) in frm.data[frm.offset[0] + xpos + ypos * frm.stride[0]..].chunks_mut(frm.stride[0]).take(16).zip(self.ipcm_buf.chunks(16)) {
+ dline[..16].copy_from_slice(src);
+ }
+ for (dline, src) in frm.data[frm.offset[1] + xpos/2 + ypos/2 * frm.stride[1]..].chunks_mut(frm.stride[1]).take(8).zip(self.ipcm_buf[256..].chunks(8)) {
+ dline[..8].copy_from_slice(src);
+ }
+ for (dline, src) in frm.data[frm.offset[2] + xpos/2 + ypos/2 * frm.stride[2]..].chunks_mut(frm.stride[2]).take(8).zip(self.ipcm_buf[256 + 64..].chunks(8)) {
+ dline[..8].copy_from_slice(src);
+ }
+ } else if !mb_info.mb_type.is_skip() {
+ if mb_info.mb_type != MBType::Intra4x4 && mb_info.mb_type != MBType::Intra8x8 {
+ Self::add_luma(&mut frm, &self.sstate, &mb_info);
+ }
+ Self::add_chroma(&mut frm, &self.sstate, &mb_info);
+ }
+/*match mb_info.mb_type {
+MBType::BSkip | MBType::Direct | MBType::B16x16(_) | MBType::B16x8(_, _) | MBType::B8x16(_, _) | MBType::B8x8 => {
+ let dstride = frm.stride[0];
+ let dst = &mut frm.data[frm.offset[0] + self.sstate.mb_x * 16 + self.sstate.mb_y * 16 * dstride..];
+ for el in dst[..16].iter_mut() { *el = 255; }
+ for row in dst.chunks_mut(dstride).skip(1).take(15) {
+ row[0] = 255;
+ }
+},
+_ => {},
+};*/
+ }
+ if let Some(ref mut pic) = self.cur_pic {
+ let mv_info = &mut pic.mv_info;
+ let mb_pos = self.sstate.mb_x + self.sstate.mb_y * mv_info.mb_stride;
+ let mut mb = FrameMBInfo::new();
+ mb.mb_type = mb_info.mb_type.into();
+ for blk4 in 0..16 {
+ mb.mv[blk4] = self.sstate.get_cur_blk4(blk4).mv;
+ }
+ for blk8 in 0..4 {
+ mb.ref_poc[blk8] = self.frame_refs.map_refs(self.sstate.get_cur_blk8(blk8).ref_idx);
+ mb.ref_idx[blk8] = self.sstate.get_cur_blk8(blk8).ref_idx;
+ }
+ mv_info.mbs[mb_pos] = mb;
+ }
+ self.sstate.fill_deblock(self.deblock_mode, self.is_s);
+ if !self.deblock_skip && self.sstate.mb_x + 1 == self.sstate.mb_w && self.deblock_mode != 1 {
+ if let Some(ref mut pic) = self.cur_pic {
+ let mut frm = NASimpleVideoFrame::from_video_buf(&mut pic.buf).unwrap();
+ loop_filter_row(&mut frm, &self.sstate, self.lf_alpha, self.lf_beta);
+ }
+ }
+ self.sstate.next_mb();
+ }
+ fn do_p_mc(frm: &mut NASimpleVideoFrame<u8>, xpos: usize, ypos: usize, w: usize, h: usize, mv: MV, ref_pic: Option<NAVideoBufferRef<u8>>) {
+ if let Some(buf) = ref_pic {
+ do_mc(frm, buf, xpos, ypos, w, h, mv);
+ } else {
+ gray_block(frm, xpos, ypos, w, h);
+ }
+ }
+ fn do_b_mc(frm: &mut NASimpleVideoFrame<u8>, mode: BMode, xpos: usize, ypos: usize, w: usize, h: usize, mv0: MV, ref_pic0: Option<NAVideoBufferRef<u8>>, mv1: MV, ref_pic1: Option<NAVideoBufferRef<u8>>, avg_buf: &mut NAVideoBufferRef<u8>) {
+ match mode {
+ BMode::L0 => {
+ if let Some(buf) = ref_pic0 {
+ do_mc(frm, buf, xpos, ypos, w, h, mv0);
+ } else {
+ gray_block(frm, xpos, ypos, w, h);
+ }
+ },
+ BMode::L1 => {
+ if let Some(buf) = ref_pic1 {
+ do_mc(frm, buf, xpos, ypos, w, h, mv1);
+ } else {
+ gray_block(frm, xpos, ypos, w, h);
+ }
+ },
+ BMode::Bi => {
+ match (ref_pic0, ref_pic1) {
+ (Some(buf0), Some(buf1)) => {
+ do_mc(frm, buf0, xpos, ypos, w, h, mv0);
+ do_mc_avg(frm, buf1, xpos, ypos, w, h, mv1, avg_buf);
+ },
+ (Some(buf0), None) => {
+ do_mc(frm, buf0, xpos, ypos, w, h, mv0);
+ },
+ (None, Some(buf1)) => {
+ do_mc(frm, buf1, xpos, ypos, w, h, mv1);
+ },
+ (None, None) => {
+ gray_block(frm, xpos, ypos, w, h);
+ },
+ };
+ },
+ };
+ }
+ fn decode_slice_cavlc(&mut self, br: &mut BitReader, slice_hdr: &SliceHeader, full_size: usize) -> DecoderResult<bool> {
+ const INTRA_CBP: [u8; 48] = [
+ 47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46,
+ 16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4,
+ 8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41
+ ];
+ const INTER_CBP: [u8; 48] = [
+ 0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13,
+ 14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46,
+ 17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41
+ ];
+
+ let mut mb_idx = slice_hdr.first_mb_in_slice as usize;
+ let mut mb_info = CurrentMBInfo::default();
+ mb_info.qp_y = slice_hdr.slice_qp;
+ let skip_type = if slice_hdr.slice_type.is_p() { MBType::PSkip } else { MBType::BSkip };
+ while br.tell() < full_size && mb_idx < self.num_mbs {
+ mb_info.coded = [false; 25];
+ mb_info.ref_l0 = [ZERO_REF; 4];
+ mb_info.ref_l1 = [ZERO_REF; 4];
+ mb_info.mv_l0 = [ZERO_MV; 16];
+ mb_info.mv_l1 = [ZERO_MV; 16];
+ mb_info.chroma_dc = [[0; 4]; 2];
+ mb_info.cbpy = 0;
+ mb_info.cbpc = 0;
+
+ if !slice_hdr.slice_type.is_intra() {
+ let mb_skip_run = br.read_ue()? as usize;
+ validate!(mb_idx + mb_skip_run <= self.num_mbs);
+ mb_info.mb_type = skip_type;
+ for _ in 0..mb_skip_run {
+ self.handle_macroblock(&mut mb_info);
+ mb_idx += 1;
+ }
+ if mb_idx == self.num_mbs || br.tell() >= full_size {
+ break;
+ }
+ }
+ if br.tell() < full_size {
+ if self.is_mbaff && ((mb_idx & 1) == 0) {
+ let _mb_field_decoding = br.read_bool()?;
+ }
+ let mut mb_type = decode_mb_type_cavlc(br, slice_hdr)?;
+ mb_info.mb_type = mb_type;
+ mb_info.transform_size_8x8 = false;
+ if mb_type == MBType::PCM {
+ br.align();
+ for pix in self.ipcm_buf[..256 + 64 + 64].iter_mut() {
+ *pix = br.read(8)? as u8;
+ }
+ self.sstate.fill_ncoded(16);
+ } else {
+ if self.transform_8x8_mode && mb_type == MBType::Intra4x4 {
+ mb_info.transform_size_8x8 = br.read_bool()?;
+ if mb_info.transform_size_8x8 {
+ mb_type = MBType::Intra8x8;
+ mb_info.mb_type = MBType::Intra8x8;
+ }
+ }
+ decode_mb_pred_cavlc(br, slice_hdr, mb_type, &mut self.sstate, &mut mb_info)?;
+ let (cbpy, cbpc) = if let MBType::Intra16x16(_, cbpy, cbpc) = mb_type {
+ (cbpy, cbpc)
+ } else {
+ let cbp_id = br.read_ue()? as usize;
+ validate!(cbp_id < INTRA_CBP.len());
+ let cbp = if mb_type == MBType::Intra4x4 || mb_type == MBType::Intra8x8 {
+ INTRA_CBP[cbp_id]
+ } else {
+ INTER_CBP[cbp_id]
+ };
+ if self.transform_8x8_mode && (cbp & 0xF) != 0 && mb_info.can_have_8x8_tx(self.sps[self.cur_sps].direct_8x8_inference) {
+ mb_info.transform_size_8x8 = br.read_bool()?;
+ }
+ ((cbp & 0xF), (cbp >> 4))
+ };
+ mb_info.cbpy = cbpy;
+ mb_info.cbpc = cbpc;
+ self.sstate.get_cur_mb().cbp = (cbpc << 4) | cbpy;
+ if cbpy != 0 || cbpc != 0 || mb_type.is_intra16x16() {
+ let mb_qp_delta = br.read_se()?;
+ validate!(mb_qp_delta >= -26 && mb_qp_delta <= 25);
+ let new_qp = mb_qp_delta + i32::from(mb_info.qp_y);
+ mb_info.qp_y = if new_qp < 0 {
+ (new_qp + 52) as u8
+ } else if new_qp >= 52 {
+ (new_qp - 52) as u8
+ } else {
+ new_qp as u8
+ };
+ mb_info.coeffs = [[0; 16]; 25];
+ if self.transform_8x8_mode {
+ mb_info.clear_coeffs8x8();
+ }
+ mb_info.chroma_dc = [[0; 4]; 2];
+ decode_residual_cavlc(br, &mut self.sstate, &mut mb_info, &self.cavlc_cb)?;
+ }
+ }
+ self.handle_macroblock(&mut mb_info);
+ }
+ mb_idx += 1;
+ }
+ if let Some(ref mut pic) = self.cur_pic {
+ pic.cur_mb = mb_idx;
+ }
+ Ok(mb_idx == self.num_mbs)
+ }
+ fn decode_slice_cabac(&mut self, cabac: &mut CABAC, slice_hdr: &SliceHeader) -> DecoderResult<bool> {
+ let mut mb_idx = slice_hdr.first_mb_in_slice as usize;
+ let mut prev_mb_skipped = false;
+ let skip_type = if slice_hdr.slice_type.is_p() { MBType::PSkip } else { MBType::BSkip };
+ let mut last_qp_diff = false;
+
+ let mut mb_info = CurrentMBInfo::default();
+ mb_info.qp_y = slice_hdr.slice_qp;
+
+ while mb_idx < self.num_mbs {
+ mb_info.coded = [false; 25];
+ mb_info.ref_l0 = [ZERO_REF; 4];
+ mb_info.ref_l1 = [ZERO_REF; 4];
+ mb_info.mv_l0 = [ZERO_MV; 16];
+ mb_info.mv_l1 = [ZERO_MV; 16];
+ mb_info.chroma_dc = [[0; 4]; 2];
+ mb_info.cbpy = 0;
+ mb_info.cbpc = 0;
+ let mb_skip = cabac_decode_mbskip(cabac, &self.sstate, slice_hdr);
+ if !mb_skip {
+ if self.is_mbaff && (((mb_idx & 1) == 0) || (prev_mb_skipped && ((mb_idx & 1) == 1))) {
+ let _mb_field_decoding = cabac.decode_bit(70);
+ }
+ let mut mb_type = cabac_decode_mb_type(cabac, &slice_hdr, &self.sstate);
+ mb_info.mb_type = mb_type;
+ mb_info.transform_size_8x8 = false;
+ if mb_type == MBType::PCM {
+ let ipcm_size = 256 + 64 + 64;
+ validate!(cabac.pos + ipcm_size <= cabac.src.len());
+ self.ipcm_buf[..ipcm_size].copy_from_slice(&cabac.src[cabac.pos..][..ipcm_size]);
+ cabac.pos += ipcm_size;
+ cabac.reinit()?;
+ last_qp_diff = false;
+ } else {
+ if self.transform_8x8_mode && mb_type == MBType::Intra4x4 {
+ let mut ctx = 0;
+ if self.sstate.get_top_mb().transform_8x8 {
+ ctx += 1;
+ }
+ if self.sstate.get_left_mb().transform_8x8 {
+ ctx += 1;
+ }
+ mb_info.transform_size_8x8 = cabac.decode_bit(399 + ctx);
+ if mb_info.transform_size_8x8 {
+ mb_type = MBType::Intra8x8;
+ mb_info.mb_type = MBType::Intra8x8;
+ }
+ }
+ decode_mb_pred_cabac(cabac, slice_hdr, mb_type, &mut self.sstate, &mut mb_info);
+ let (cbpy, cbpc) = if let MBType::Intra16x16(_, cbpy, cbpc) = mb_type {
+ (cbpy, cbpc)
+ } else {
+ decode_cbp_cabac(cabac, &self.sstate)
+ };
+ if self.transform_8x8_mode && cbpy != 0 && mb_info.can_have_8x8_tx(self.sps[self.cur_sps].direct_8x8_inference) {
+ let mut ctx = 0;
+ if self.sstate.get_top_mb().transform_8x8 {
+ ctx += 1;
+ }
+ if self.sstate.get_left_mb().transform_8x8 {
+ ctx += 1;
+ }
+ mb_info.transform_size_8x8 = cabac.decode_bit(399 + ctx);
+ }
+ if mb_type.is_intra() {
+ self.sstate.get_cur_mb().cmode = mb_info.chroma_ipred;
+ }
+ mb_info.cbpy = cbpy;
+ mb_info.cbpc = cbpc;
+ self.sstate.get_cur_mb().cbp = (cbpc << 4) | cbpy;
+ if cbpy != 0 || cbpc != 0 || mb_type.is_intra16x16() {
+ let mb_qp_delta = decode_mb_qp_delta_cabac(cabac, last_qp_diff as usize);
+ validate!(mb_qp_delta >= -26 && mb_qp_delta <= 25);
+ last_qp_diff = mb_qp_delta != 0;
+ let new_qp = mb_qp_delta + i32::from(mb_info.qp_y);
+ mb_info.qp_y = if new_qp < 0 {
+ (new_qp + 52) as u8
+ } else if new_qp >= 52 {
+ (new_qp - 52) as u8
+ } else {
+ new_qp as u8
+ };
+ mb_info.coeffs = [[0; 16]; 25];
+ if self.transform_8x8_mode {
+ mb_info.clear_coeffs8x8();
+ }
+ mb_info.chroma_dc = [[0; 4]; 2];
+ decode_residual_cabac(cabac, &mut self.sstate, &mut mb_info);
+ } else {
+ last_qp_diff = false;
+ }
+ }
+ } else {
+ mb_info.mb_type = skip_type;
+ mb_info.transform_size_8x8 = false;
+ last_qp_diff = false;
+ }
+ self.handle_macroblock(&mut mb_info);
+ prev_mb_skipped = mb_skip;
+ if !(self.is_mbaff && ((mb_idx & 1) == 0)) && cabac.decode_terminate() {
+ if let Some(ref mut pic) = self.cur_pic {
+ pic.cur_mb = mb_idx + 1;
+ }
+ return Ok(mb_idx + 1 == self.num_mbs);
+ }
+ mb_idx += 1;
+ }
+ Err(DecoderError::InvalidData)
+ }
+}
+
+impl NADecoder for H264Decoder {
+ fn init(&mut self, supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
+ if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
+ let fmt = YUV420_FORMAT;
+ let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(0, 0, false, fmt));
+ self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
+
+ let edata = info.get_extradata().unwrap();
+//print!("edata:"); for &el in edata.iter() { print!(" {:02X}", el); } println!();
+ if edata.len() > 11 && &edata[0..4] == b"avcC" {
+ let mut mr = MemoryReader::new_read(edata.as_slice());
+ let mut br = ByteReader::new(&mut mr);
+ let mut nal_buf = Vec::new();
+
+ br.read_skip(4)?;
+ let version = br.read_byte()?;
+ validate!(version == 1);
+ let profile = br.read_byte()?;
+ let _compatibility = br.read_byte()?;
+ let _level = br.read_byte()?;
+ let b = br.read_byte()?;
+ validate!((b & 0xFC) == 0xFC);
+ self.nal_len = (b & 3) + 1;
+ let b = br.read_byte()?;
+ validate!((b & 0xE0) == 0xE0);
+ let num_sps = (b & 0x1F) as usize;
+ for _ in 0..num_sps {
+ let len = br.read_u16be()? as usize;
+ let offset = br.tell() as usize;
+ validate!((br.peek_byte()? & 0x1F) == 7);
+ let _size = unescape_nal(&edata[offset..][..len], &mut nal_buf);
+ self.handle_nal(&nal_buf, supp, true)?;
+ br.read_skip(len)?;
+ }
+ let num_pps = br.read_byte()? as usize;
+ for _ in 0..num_pps {
+ let len = br.read_u16be()? as usize;
+ let offset = br.tell() as usize;
+ validate!((br.peek_byte()? & 0x1F) == 8);
+ let _size = unescape_nal(&edata[offset..][..len], &mut nal_buf);
+ self.handle_nal(&nal_buf, supp, true)?;
+ br.read_skip(len)?;
+ }
+ if br.left() > 0 {
+ match profile {
+ 100 | 110 | 122 | 144 => {
+ let b = br.read_byte()?;
+ validate!((b & 0xFC) == 0xFC);
+ // b & 3 -> chroma format
+ let b = br.read_byte()?;
+ validate!((b & 0xF8) == 0xF8);
+ // b & 7 -> luma depth minus 8
+ let b = br.read_byte()?;
+ validate!((b & 0xF8) == 0xF8);
+ // b & 7 -> chroma depth minus 8
+ let num_spsext = br.read_byte()? as usize;
+ for _ in 0..num_spsext {
+ let len = br.read_u16be()? as usize;
+ // parse spsext
+ br.read_skip(len)?;
+ }
+ },
+ _ => {},
+ };
+ }
+ } else {
+ return Err(DecoderError::NotImplemented);
+ }
+
+ self.width = vinfo.get_width();
+ self.height = vinfo.get_height();
+
+ if (self.width == 0 || self.height == 0) && !self.sps.is_empty() {
+ self.width = self.sps[0].pic_width_in_mbs * 16;
+ self.height = self.sps[0].pic_height_in_mbs * 16;
+ }
+
+ let num_bufs = if !self.sps.is_empty() {
+ self.sps[0].num_ref_frames as usize + 1
+ } else {
+ 3
+ }.max(16 + 1);
+ supp.pool_u8.set_dec_bufs(num_bufs);
+ supp.pool_u8.prealloc_video(NAVideoInfo::new(self.width, self.height, false, fmt), 4)?;
+
+ Ok(())
+ } else {
+println!("???");
+ Err(DecoderError::InvalidData)
+ }
+ }
+ fn decode(&mut self, supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+ let src = pkt.get_buffer();
+
+ let mut mr = MemoryReader::new_read(&src);
+ let mut br = ByteReader::new(&mut mr);
+ let mut nal_buf = Vec::with_capacity(src.len());
+ if self.nal_len > 0 {
+ let mut skip_decoding = false;
+ if self.skip_mode != FrameSkipMode::None {
+ let mut pic_type = FrameType::I;
+ let mut is_ref = false;
+ while br.left() > 0 {
+ let size = match self.nal_len {
+ 1 => br.read_byte()? as usize,
+ 2 => br.read_u16be()? as usize,
+ 3 => br.read_u24be()? as usize,
+ 4 => br.read_u32be()? as usize,
+ _ => unreachable!(),
+ };
+ validate!(br.left() >= (size as i64));
+ let offset = br.tell() as usize;
+ let size = unescape_nal(&src[offset..][..size], &mut nal_buf);
+ validate!(size > 0);
+ let nal_ref_idc = nal_buf[0] >> 5;
+ let nal_unit_type = nal_buf[0] & 0x1F;
+ if nal_unit_type == 1 || nal_unit_type == 5 {
+ let mut bitr = BitReader::new(&nal_buf[1..], BitReaderMode::BE);
+ let (first_mb, slice_type) = parse_slice_header_minimal(&mut bitr)?;
+ if first_mb == 0 && nal_ref_idc != 0 {
+ is_ref = true;
+ }
+ let new_type = slice_type.to_frame_type();
+ pic_type = match (pic_type, new_type) {
+ (FrameType::I, _) => new_type,
+ (_, FrameType::B) => FrameType::B,
+ _ => pic_type,
+ };
+ }
+ br.read_skip(size)?;
+ }
+ match self.skip_mode {
+ FrameSkipMode::IntraOnly => {
+ skip_decoding = pic_type != FrameType::I;
+ },
+ FrameSkipMode::KeyframesOnly => {
+ if !is_ref {
+ skip_decoding = true;
+ }
+ },
+ _ => {},
+ };
+ br.seek(SeekFrom::Start(0))?;
+ }
+ while br.left() > 0 {
+ let size = match self.nal_len {
+ 1 => br.read_byte()? as usize,
+ 2 => br.read_u16be()? as usize,
+ 3 => br.read_u24be()? as usize,
+ 4 => br.read_u32be()? as usize,
+ _ => unreachable!(),
+ };
+ validate!(br.left() >= (size as i64));
+ let offset = br.tell() as usize;
+ let _size = unescape_nal(&src[offset..][..size], &mut nal_buf);
+ self.handle_nal(nal_buf.as_slice(), supp, skip_decoding)?;
+ br.read_skip(size)?;
+ }
+ } else {
+//todo NAL detection
+ unimplemented!();
+ }
+
+ let (bufinfo, ftype, dts) = if self.has_pic && self.cur_pic.is_some() {
+ let mut npic = None;
+ std::mem::swap(&mut self.cur_pic, &mut npic);
+ let cpic = npic.unwrap();
+ let ret = (NABufferType::Video(cpic.buf.clone()), cpic.pic_type, Some(u64::from(cpic.full_id)));
+ if cpic.is_ref {
+ self.frame_refs.add_short_term(cpic.clone(), self.sps[self.cur_sps].num_ref_frames);
+ }
+ if let Some(lt_idx) = cpic.long_term {
+ self.frame_refs.add_long_term(lt_idx, cpic);
+ }
+ ret
+ } else {
+ (NABufferType::None, FrameType::Skip, None)
+ };
+
+ let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
+ frm.set_keyframe(ftype == FrameType::I);
+ if let (Some(mydts), None) = (dts, frm.get_dts()) {
+ frm.set_dts(Some(mydts));
+ }
+ if let Some(dts) = dts {
+ frm.set_id(dts as i64);
+ }
+ frm.set_frame_type(ftype);
+ Ok(frm.into_ref())
+ }
+ fn flush(&mut self) {
+ }
+}
+
+const DEBLOCK_SKIP_OPTION: &str = "skip_deblock";
+
+const DECODER_OPTIONS: &[NAOptionDefinition] = &[
+ NAOptionDefinition {
+ name: FRAME_SKIP_OPTION, description: FRAME_SKIP_OPTION_DESC,
+ opt_type: NAOptionDefinitionType::Bool },
+ NAOptionDefinition {
+ name: DEBLOCK_SKIP_OPTION, description: "Loop filter skipping mode",
+ opt_type: NAOptionDefinitionType::String(Some(&[
+ FRAME_SKIP_OPTION_VAL_NONE,
+ FRAME_SKIP_OPTION_VAL_KEYFRAME,
+ FRAME_SKIP_OPTION_VAL_INTRA
+ ])) },
+];
+
+impl NAOptionHandler for H264Decoder {
+ fn get_supported_options(&self) -> &[NAOptionDefinition] { DECODER_OPTIONS }
+ fn set_options(&mut self, options: &[NAOption]) {
+ for option in options.iter() {
+ for opt_def in DECODER_OPTIONS.iter() {
+ if opt_def.check(option).is_ok() {
+ match (option.name, &option.value) {
+ (FRAME_SKIP_OPTION, NAValue::String(ref str)) => {
+ if let Ok(smode) = FrameSkipMode::from_str(str) {
+ self.skip_mode = smode;
+ }
+ },
+ (DEBLOCK_SKIP_OPTION, NAValue::Bool(val)) => {
+ self.deblock_skip = *val;
+ },
+ _ => {},
+ }
+ }
+ }
+ }
+ }
+ fn query_option_value(&self, name: &str) -> Option<NAValue> {
+ match name {
+ FRAME_SKIP_OPTION => Some(NAValue::String(self.skip_mode.to_string())),
+ DEBLOCK_SKIP_OPTION => Some(NAValue::Bool(self.deblock_skip)),
+ _ => None,
+ }
+ }
+}
+
+pub fn get_decoder() -> Box<dyn NADecoder + Send> {
+ Box::new(H264Decoder::new())
+}
+
+#[cfg(test)]
+mod test {
+ use nihav_core::codecs::RegisteredDecoders;
+ use nihav_core::demuxers::RegisteredDemuxers;
+ use nihav_codec_support::test::dec_video::*;
+ use crate::itu_register_all_decoders;
+ use nihav_commonfmt::generic_register_all_demuxers;
+
+ mod raw_demux;
+ mod conformance;
+ use self::raw_demux::RawH264DemuxerCreator;
+
+ #[test]
+ fn test_h264_perframe() {
+ let mut dmx_reg = RegisteredDemuxers::new();
+ dmx_reg.add_demuxer(&RawH264DemuxerCreator{});
+ generic_register_all_demuxers(&mut dmx_reg);
+ let mut dec_reg = RegisteredDecoders::new();
+ itu_register_all_decoders(&mut dec_reg);
+
+ test_decoding("rawh264", "h264",
+ "assets/ITU/h264-conformance/CABAST3_Sony_E.jsv",
+ None, &dmx_reg, &dec_reg, ExpectedTestResult::MD5Frames(vec![
+ [0x85fc4b44, 0xc9aefdc9, 0x568d0592, 0x2eccf9a0],
+ [0xbd8d11bc, 0x97acf592, 0x45a3cdbb, 0xa254a882],
+ [0xbda0e0b9, 0x9fbe1974, 0x1540b244, 0x46a050ca],
+ [0x471f0057, 0x125ef3b4, 0x4a87515f, 0xba254bbb],
+ [0x466a7df2, 0xb392c2a4, 0xed66b68b, 0xfdaad2da],
+ [0x96334b41, 0x41bac7ef, 0xe87154f1, 0xa5fc3551],
+ [0x0fd4e9b8, 0x4269bbec, 0x00a1978f, 0xe6224851],
+ [0x68be82af, 0x856615a7, 0x387a253d, 0x8473e6b9],
+ [0xc4bed119, 0x14ba7fe0, 0x447cb680, 0x555da4c5],
+ [0x85d127d6, 0x04b85928, 0x26740281, 0x4d848db5],
+ [0xe44fe461, 0x0d0b64ce, 0xf191179b, 0xabdab686],
+ [0x347c8edb, 0x847ad11f, 0x8f16b84e, 0xdc915d75],
+ [0xeb1364a6, 0x91c9d99d, 0x324f5427, 0xcc9f11a2],
+ [0x7aeb5a3f, 0xebc9c4dd, 0x8f12c8e4, 0x37a2db97],
+ [0xa11e5c33, 0x656df4c0, 0x1e8b98d8, 0x1736722f],
+ [0x239f2ef2, 0xe32b0603, 0x448366bb, 0x9331051c],
+ [0x1815a1b1, 0xfb7e7cf0, 0xd5c7dd5b, 0x0135a8fb],
+ [0xea3b85dd, 0xa96e7015, 0xa91c576d, 0x5c127ca1],
+ [0x1c49148f, 0x6d9e7045, 0x093f0b7c, 0x42c2ebaa],
+ [0x4b4c2863, 0x95709d8c, 0xeb72e251, 0x096632dc],
+ [0x727418e5, 0x2c015383, 0x59580212, 0x0302dd99],
+ [0xbe57dfa4, 0xf2aa7d70, 0xa068ee62, 0x77372861],
+ [0x2faef43a, 0x73da6654, 0xb9d9c22e, 0xc59520bc],
+ [0x138cff40, 0x3e6c108a, 0xa981e654, 0x903da85b],
+ [0xa90454f5, 0x7875d5db, 0xbab234bd, 0xe6ce1193]]));
+ }
+
+ #[test]
+ fn test_h264_real1() {
+ let mut dmx_reg = RegisteredDemuxers::new();
+ dmx_reg.add_demuxer(&RawH264DemuxerCreator{});
+ generic_register_all_demuxers(&mut dmx_reg);
+ let mut dec_reg = RegisteredDecoders::new();
+ itu_register_all_decoders(&mut dec_reg);
+
+ test_decoding("mov", "h264", "assets/ITU/1.mp4",
+ Some(60), &dmx_reg, &dec_reg,
+ ExpectedTestResult::MD5Frames(vec![
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0x9dbac04a, 0xc49ca8c1, 0x09bb9182, 0xc7928970],
+ [0xf1c88c12, 0x7da871f5, 0xdaf3153f, 0x66e72d72],
+ [0x3d4765f1, 0x8ac472f6, 0x7ffd13a6, 0xc7a45dae],
+ [0x60e5e13a, 0xd2d7f239, 0x1a793d71, 0x19f8c190],
+ [0xdd80c3e4, 0xb1500149, 0x43925280, 0x9e5f3230],
+ [0x2adf6e64, 0x39012d45, 0x7a776cb5, 0x3df76e84],
+ [0x44319007, 0xbc837dd2, 0x486b2703, 0x451d0651],
+ [0x922386ef, 0xaf101e9b, 0xf2094a40, 0xc8c454c0],
+ [0x0d81e398, 0x04192a56, 0xa31f39d0, 0x5e0a2deb],
+ [0xcdd144b3, 0xd1c7743e, 0x5753b0f4, 0xc070efa9],
+ [0xe1c67e39, 0x6065ddaf, 0x576bf9f1, 0x8e6825aa],
+ [0xaf817b0d, 0xdc6c345a, 0xf7f289c7, 0x6cc482d8],
+ [0x81dc4bcb, 0xee4fc5e5, 0x9b87c7ef, 0xdd0fb034],
+ [0x8b07f523, 0x4168799f, 0x990cb270, 0x858b9f2c],
+ [0x31855a80, 0xadbcc562, 0xe60628be, 0x5f04be09],
+ [0x9c614acc, 0xbd08a3f4, 0x91b02c45, 0x41899a83],
+ [0x89d09064, 0xbff810a3, 0x9c674179, 0x305225a6],
+ [0xba1fc8d3, 0x15d34fae, 0x565d363b, 0x4f4d0604],
+ [0x1cb15a1b, 0xa0be111e, 0x45cc801f, 0x01a2c691],
+ [0xd898be48, 0xd19bf58d, 0xe22fe44f, 0x6a2914fb],
+ [0xec6712af, 0xa13b55c0, 0x2915a746, 0xb29a5c48],
+ [0x745798fa, 0x4ef0f882, 0x59335c08, 0xb1d9dbb4],
+ [0x4045b495, 0xdb3d969c, 0x1f0d9220, 0x5a34067b],
+ [0x94fee093, 0x78ad89b3, 0xf20e882b, 0x941425db],
+ [0xc3eb1a78, 0x4b4e098a, 0xcbcf9bb4, 0xfd5b5426]]));
+ }
+ #[test]
+ fn test_h264_real2() {
+ let mut dmx_reg = RegisteredDemuxers::new();
+ dmx_reg.add_demuxer(&RawH264DemuxerCreator{});
+ generic_register_all_demuxers(&mut dmx_reg);
+ let mut dec_reg = RegisteredDecoders::new();
+ itu_register_all_decoders(&mut dec_reg);
+ test_decoding("mov", "h264", "assets/ITU/DimpledSpanishCuckoo-mobile.mp4",
+ Some(10), &dmx_reg, &dec_reg,
+ ExpectedTestResult::MD5Frames(vec![
+ [0x1addcb8e, 0xde58b857, 0x17222c32, 0x75455fa8],
+ [0xae63141a, 0x79435b2e, 0xfe606c48, 0xf676da66],
+ [0xfdb80404, 0x6a288e23, 0x45cc4106, 0xdd5eb57c],
+ [0xd603a3ff, 0x872dcb9b, 0x43f7a71c, 0x2ad4eecc],
+ [0x639ed6a5, 0xbb1cfec6, 0x0ee5443a, 0x1694772a],
+ [0xf8ef3f48, 0x152de238, 0xb1995f9a, 0xf82ad1d5],
+ [0x604f6265, 0xb9d82f56, 0x21f00cf4, 0xc69c18a7],
+ [0xd932c16e, 0x25cbf060, 0xcb66543b, 0xfe8a5019],
+ [0xf2a3dac0, 0x0f4678dd, 0xf64c8228, 0x47f14676],
+ [0x267041ee, 0x3b6b8b64, 0x8bfe1697, 0x1fba508b],
+ [0x9f917e72, 0x75d882a9, 0xa5e3e684, 0x4ed87eff]]));
+ }
+}
+
+pub const I4X4_SCAN: [(u8, u8); 16] = [
+ (0,0), (1,0), (0,1), (1,1), (2,0), (3,0), (2,1), (3,1),
+ (0,2), (1,2), (0,3), (1,3), (2,2), (3,2), (2,3), (3,3)
+];
projects / nihav.git / blobdiff