+++ /dev/null
-use nihav_core::codecs::*;
-use nihav_core::io::byteio::*;
-use nihav_core::io::bitreader::*;
-use nihav_codec_support::codecs::HAMShuffler;
-
-const HEADER_SIZE: usize = 0x2F;
-
-const MV_2BIT: [(i8, i8); 4] = [(-1, 0), (-1, -1), (1, -1), (0, -2)];
-const MV_4BIT: [(i8, i8); 16] = [
- (-2, -3), ( 2, -3), (-1, -4), ( 1, -4),
- (-1, -2), ( 1, -2), ( 0, -3), ( 0, -4),
- (-2, 0), (-2, -1), ( 2, -1), (-2, -2),
- ( 2, -2), (-1, -3), ( 1, -3), ( 0, -5)
-];
-
-const BPP: usize = 4;
-
-struct ArxelVideoDecoder {
- info: NACodecInfoRef,
- tiles: [u8; 65536],
- version: u8,
- idx_buf: Vec<usize>,
- contexts: [[usize; 16]; 4096],
- ctx_pos: [usize; 4096],
- hams: HAMShuffler<u8>,
-}
-
-impl ArxelVideoDecoder {
- fn new() -> Self {
- Self {
- info: NACodecInfoRef::default(),
- tiles: [0; 65536],
- version: 0,
- idx_buf: Vec::new(),
- contexts: [[0; 16]; 4096],
- ctx_pos: [0; 4096],
- hams: HAMShuffler::new(),
- }
- }
- fn decode_v1(&mut self, src: &[u8]) -> DecoderResult<(NABufferType, bool)> {
- let mut mr = MemoryReader::new_read(src);
- let mut br = ByteReader::new(&mut mr);
-
- let size = br.read_u32le()? as usize;
- validate!(src.len() >= size + HEADER_SIZE);
- let part2_off = br.read_u32le()? as u64;
- validate!(part2_off > 0 && part2_off < (size as u64));
- let num_tiles = br.read_u16le()? as usize;
- validate!(num_tiles > 0 && num_tiles < 4096);
- let tile_size = br.read_u16le()? as usize;
- let width = br.read_u32le()? as usize;
- let height = br.read_u32le()? as usize;
-
- let vinfo = self.info.get_properties().get_video_info().unwrap();
- validate!(width == vinfo.get_width());
- validate!(height == vinfo.get_height());
-
- br.seek(SeekFrom::Start(part2_off + (HEADER_SIZE as u64)))?;
- let tile_w = if tile_size == 2 { 2 } else { 4 };
- let tsize = tile_w * BPP;
-
- match tile_size {
- 2 | 4 => {
- br.read_buf(&mut self.tiles[..tsize])?;
- let off = br.tell() as usize;
- let mut bir = BitReader::new(&src[off..], BitReaderMode::BE);
- for tile in 1..num_tiles {
- for i in 0..tsize {
- self.tiles[tile * tsize + i] = self.tiles[tile * tsize + i - tsize];
- }
- let bits = bir.read(3)? as u8 + 1;
- validate!(bits < 8);
- for el in self.tiles[tile * tsize..][..tsize].iter_mut() {
- let mut delta = bir.read(bits)? as i16;
- if delta != 0 && bir.read_bool()? {
- delta = -delta;
- }
- *el = (i16::from(*el) + delta) as u8;
- }
- }
- },
- _ => {
- validate!(tile_size == num_tiles * tsize);
- br.read_buf(&mut self.tiles[..tile_size])?;
- },
- };
-
- let bufinfo = alloc_video_buffer(vinfo, 0)?;
- let bufo = bufinfo.get_vbuf();
- let mut buf = bufo.unwrap();
- let stride = buf.get_stride(0);
- let data = buf.get_data_mut().unwrap();
- let dst = data.as_mut_slice();
-
- let mut br = BitReader::new(&src[HEADER_SIZE..], BitReaderMode::BE);
- let idx_bits = if num_tiles < 0x400 { 10 } else if num_tiles < 0x800 { 11 } else { 12 };
- for y in (0..height).step_by(2) {
- for x in (0..width).step_by(tile_w) {
- let dst_pos = x * BPP + y * stride;
- if !br.read_bool()? {
- let idx = br.read(idx_bits)? as usize;
- validate!(idx < num_tiles);
- dst[dst_pos..][..tsize].copy_from_slice(&self.tiles[idx * tsize..][..tsize]);
- } else {
- let (mv_x, mv_y) = if br.read_bool()? {
- (0, -1)
- } else if br.read_bool()? {
- MV_2BIT[br.read(2)? as usize]
- } else {
- MV_4BIT[br.read(4)? as usize]
- };
-
- let isrc = (dst_pos as isize) + isize::from(mv_x) * (tsize as isize) + isize::from(mv_y) * ((stride * 2) as isize);
- validate!(isrc >= 0);
- let src_pos = isrc as usize;
- validate!(src_pos + tsize <= dst.len());
- let (src, dst) = dst.split_at_mut(dst_pos);
- dst[..tsize].copy_from_slice(&src[src_pos..][..tsize]);
- }
- }
- // double lines
- let lines = &mut dst[y * stride..];
- let (src, dst) = lines.split_at_mut(stride);
- dst[..stride].copy_from_slice(src);
- }
- Ok((bufinfo, true))
- }
- fn add_to_context(&mut self, prev: usize, cur: usize) {
- self.contexts[prev][self.ctx_pos[prev]] = cur;
- self.ctx_pos[prev] += 1;
- if self.ctx_pos[prev] == 16 {
- self.ctx_pos[prev] = 0;
- }
- }
- fn decode_v2(&mut self, src: &[u8]) -> DecoderResult<(NABufferType, bool)> {
- let mut mr = MemoryReader::new_read(src);
- let mut br = ByteReader::new(&mut mr);
-
- let mut has_tiles = false;
- let mut is_55 = false;
- loop {
- let ftype = br.read_byte()?;
- match ftype {
- 0x54 => {
- let size = br.read_u32le()? as usize;
- let num_tiles = br.read_u16le()? as usize;
- let tile_size = br.read_u16le()? as usize;
-
- let tile_w = if tile_size == 2 { 2 } else { 4 };
- let tsize = tile_w * BPP;
-
- match tile_size {
- 2 | 4 => {
- validate!(size >= tsize);
- br.read_buf(&mut self.tiles[..tsize])?;
- let off = br.tell() as usize;
- let mut bir = BitReader::new(&src[off..][..size - tsize], BitReaderMode::LE);
- for tile in 1..num_tiles {
- let (prev_tiles, cur_tile) = self.tiles.split_at_mut(tile * tsize);
- cur_tile[..16].copy_from_slice(&prev_tiles[prev_tiles.len() - 16..]);
- for comp in 0..BPP {
- let bits = bir.read(3)? as u8;
- if bits == 0 {
- continue;
- }
- for i in 0..tile_size {
- let el = &mut cur_tile[i * BPP + comp];
- *el = match bits {
- 7 => {
- bir.read(8)? as u8
- },
- _ => {
- let mut delta = bir.read(bits)? as i16;
- if delta != 0 && bir.read_bool()? {
- delta = -delta;
- }
- (i16::from(*el) + delta) as u8
- },
- };
- }
- }
- }
- br.read_skip(size - tsize)?;
- has_tiles = true;
- },
- _ => {
- unimplemented!();
- },
- };
- },
- 0x53 => break,
- 0x55 => {
- is_55 = true;
- break;
- },
- _ => return Err(DecoderError::InvalidData),
- };
- }
-
- let size = br.read_u32le()? as usize;
- validate!(size + HEADER_SIZE <= (br.left() as usize) + 4);
- let part2_off = br.read_u32le()?;
- validate!(part2_off as usize == size);
- let num_tiles = br.read_u16le()? as usize;
- validate!((0..4096).contains(&num_tiles));
- let tile_size = br.read_u16le()? as usize;
- let width = br.read_u32le()? as usize;
- let height = br.read_u32le()? as usize;
- br.read_skip(0x1B)?;
-
- let vinfo = self.info.get_properties().get_video_info().unwrap();
- validate!(width == vinfo.get_width());
- validate!(height == vinfo.get_height());
- let is_intra = is_55 && has_tiles;
-
- let mut vbuf = if is_intra {
- let binfo = alloc_video_buffer(vinfo, 0)?;
- let vbuf = binfo.get_vbuf().unwrap();
- self.hams.add_frame(vbuf);
- self.hams.get_output_frame().unwrap()
- } else {
- if let Some(buf) = self.hams.clone_ref() {
- buf
- } else {
- return Err(DecoderError::MissingReference);
- }
- };
- let stride = vbuf.get_stride(0);
- let data = vbuf.get_data_mut().unwrap();
- let dst = data.as_mut_slice();
-
- let tile_w = if tile_size == 2 { 2 } else { 4 };
- let tsize = tile_w * BPP;
- let mut idx_bits = 0;
- let mut v = num_tiles;
- while v > 0 {
- idx_bits += 1;
- v >>= 1;
- }
- let start = br.tell() as usize;
- let mut br = BitReader::new(&src[start..], BitReaderMode::LE);
- let mut ypos = 0;
- let mut last_seen = [0usize.wrapping_sub(1); 4096];
- let mut cand_list = Vec::with_capacity(4);
- let istride = width / tile_w;
- self.idx_buf.resize(istride * height, 0);
- self.contexts = [[0; 16]; 4096];
- self.ctx_pos = [0; 4096];
-
- for y in 0..height {
- for x8 in (0..istride).step_by(8) {
- let pos = ypos + x8;
- if br.read_bool()? {
- validate!(y > 0);
- for x in 0..8 {
- self.idx_buf[pos + x] = self.idx_buf[pos + x - istride];
- }
- } else {
- for x in 0..8 {
- if br.read_bool()? {
- validate!(y > 0);
- self.idx_buf[pos + x] = self.idx_buf[pos + x - istride];
- } else {
- let mode = br.read(2)?;
- match mode {
- 0 => {
- let idx = br.read(idx_bits)? as usize;
- self.idx_buf[pos + x] = idx;
- if y > 0 {
- self.add_to_context(self.idx_buf[pos + x - istride], idx);
- }
- },
- 1 => {
- cand_list.clear();
- let cur_pos = pos + x;
- if y > 0 {
- last_seen[self.idx_buf[cur_pos - istride]] = cur_pos;
- }
- if x8 + x > 0 {
- let src_idx = cur_pos - 1;
- if last_seen[self.idx_buf[src_idx]] != cur_pos {
- cand_list.push(self.idx_buf[src_idx]);
- last_seen[self.idx_buf[src_idx]] = cur_pos;
- }
- }
- if (y > 0) && (x8 + x > 0) {
- let src_idx = cur_pos - 1 - istride;
- if last_seen[self.idx_buf[src_idx]] != cur_pos {
- cand_list.push(self.idx_buf[src_idx]);
- last_seen[self.idx_buf[src_idx]] = cur_pos;
- }
- }
- if (y > 0) && (x8 + x + 1 < istride) {
- let src_idx = cur_pos + 1 - istride;
- if last_seen[self.idx_buf[src_idx]] != cur_pos {
- cand_list.push(self.idx_buf[src_idx]);
- last_seen[self.idx_buf[src_idx]] = cur_pos;
- }
- }
- if y > 1 {
- let src_idx = cur_pos - 2 * istride;
- if last_seen[self.idx_buf[src_idx]] != cur_pos {
- cand_list.push(self.idx_buf[src_idx]);
- last_seen[self.idx_buf[src_idx]] = cur_pos;
- }
- }
-
- validate!(!cand_list.is_empty());
- self.idx_buf[cur_pos] = match cand_list.len() {
- 1 => cand_list[0],
- 2 => cand_list[br.read(1)? as usize],
- _ => {
- let idx = br.read(2)? as usize;
- validate!(idx < cand_list.len());
- cand_list[idx]
- },
- };
- if y > 0 {
- self.add_to_context(self.idx_buf[cur_pos - istride], self.idx_buf[cur_pos]);
- }
- },
- 2 => {
- validate!(y > 0);
- let top_idx = self.idx_buf[pos + x - istride];
- let delta = br.read(4)? as usize + 1;
- self.idx_buf[pos + x] = if !br.read_bool()? {
- validate!(top_idx + delta < num_tiles);
- top_idx + delta
- } else {
- validate!(top_idx >= delta);
- top_idx - delta
- };
- if y > 0 {
- self.add_to_context(self.idx_buf[pos + x - istride], self.idx_buf[pos + x]);
- }
- },
- _ => {
- validate!(y > 0);
- let idx = br.read(4)? as usize;
- self.idx_buf[pos + x] = self.contexts[self.idx_buf[pos + x - istride]][idx];
- },
- }
- }
- }
- }
- }
- ypos += istride;
- }
-
- for (dline, sline) in dst.chunks_mut(stride).take(height).zip(self.idx_buf.chunks_exact(istride)) {
- for (dst, &idx) in dline.chunks_exact_mut(tsize).zip(sline.iter()) {
- if idx != 0 || is_intra {
- dst.copy_from_slice(&self.tiles[idx * tsize..][..tsize]);
- }
- }
- }
-
- Ok((NABufferType::Video(vbuf), is_intra))
- }
-}
-
-const RGBA_FORMAT: NAPixelFormaton = NAPixelFormaton {
- model: ColorModel::RGB(RGBSubmodel::RGB), components: 4,
- comp_info: [
- Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 2, next_elem: 4 }),
- Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 1, next_elem: 4 }),
- Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 0, next_elem: 4 }),
- Some(NAPixelChromaton{ h_ss: 0, v_ss: 0, packed: true, depth: 8, shift: 0, comp_offs: 3, next_elem: 4 }),
- None ],
- elem_size: 4, be: false, alpha: true, palette: false };
-
-impl NADecoder for ArxelVideoDecoder {
- fn init(&mut self, _supp: &mut NADecoderSupport, info: NACodecInfoRef) -> DecoderResult<()> {
- if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
- let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(vinfo.get_width(), vinfo.get_height(), true, RGBA_FORMAT));
- if let Some(edata) = info.get_extradata() {
- validate!(!edata.is_empty());
- if edata[0] > 1 {
- return Err(DecoderError::NotImplemented);
- }
- self.version = edata[0];
- }
- self.info = NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()).into_ref();
-
- Ok(())
- } else {
- Err(DecoderError::InvalidData)
- }
- }
- fn decode(&mut self, _supp: &mut NADecoderSupport, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
- let src = pkt.get_buffer();
- validate!(src.len() > HEADER_SIZE);
-
- let (bufinfo, is_intra) = match self.version {
- 0 => self.decode_v1(&src)?,
- 1 => self.decode_v2(&src)?,
- _ => return Err(DecoderError::NotImplemented),
- };
-
- let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), bufinfo);
- frm.set_keyframe(is_intra);
- frm.set_frame_type(if is_intra { FrameType::I } else { FrameType::P });
- Ok(frm.into_ref())
- }
- fn flush(&mut self) {
- self.hams.clear();
- }
-}
-
-impl NAOptionHandler for ArxelVideoDecoder {
- fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
- fn set_options(&mut self, _options: &[NAOption]) { }
- fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
-}
-
-
-pub fn get_decoder() -> Box<dyn NADecoder + Send> {
- Box::new(ArxelVideoDecoder::new())
-}
-
-#[cfg(test)]
-mod test {
- use nihav_core::codecs::RegisteredDecoders;
- use nihav_core::demuxers::RegisteredDemuxers;
- use nihav_codec_support::test::dec_video::*;
- use crate::game_register_all_decoders;
- use crate::game_register_all_demuxers;
- // sample from the Ring game
- #[test]
- fn test_arxel_video() {
- let mut dmx_reg = RegisteredDemuxers::new();
- game_register_all_demuxers(&mut dmx_reg);
- let mut dec_reg = RegisteredDecoders::new();
- game_register_all_decoders(&mut dec_reg);
-
- test_decoding("arxel-cnm", "arxel-video", "assets/Game/logo.cnm", Some(10), &dmx_reg, &dec_reg,
- ExpectedTestResult::MD5([0x9b1fc970, 0x1fe86e2c, 0x44dd9255, 0x3920c49b]));
- }
- // sample from Faust: The Seven Games of the Soul game
- #[test]
- fn test_arxel_video_v2() {
- let mut dmx_reg = RegisteredDemuxers::new();
- game_register_all_demuxers(&mut dmx_reg);
- let mut dec_reg = RegisteredDecoders::new();
- game_register_all_decoders(&mut dec_reg);
-
- test_decoding("arxel-cnm", "arxel-video", "assets/Game/logo.CI2", Some(10), &dmx_reg, &dec_reg,
- ExpectedTestResult::MD5([0x3bf66a39, 0x6627f529, 0x4ed19e8e, 0xc0693aae]));
- }
-}
+++ /dev/null
-use nihav_core::frame::*;
-use nihav_core::demuxers::*;
-
-struct ArxelCinemaDemuxer<'a> {
- src: &'a mut ByteReader<'a>,
- cur_frame: usize,
- astreams: usize,
- offsets: Vec<u32>,
- vpts: u64,
- tb_num: u32,
- tb_den: u32,
- is_ci2: bool,
- tdata: Vec<u8>,
-}
-
-impl<'a> DemuxCore<'a> for ArxelCinemaDemuxer<'a> {
- #[allow(unused_variables)]
- fn open(&mut self, strmgr: &mut StreamManager, _seek_index: &mut SeekIndex) -> DemuxerResult<()> {
- let src = &mut self.src;
-
- let magic = src.read_tag()?;
- validate!(&magic == b"CNM ");
- let magic = src.read_tag()?;
- validate!(&magic == b"UNR\x00");
- let _duration = src.read_u32le()?;
- let tb_den = src.read_u32le()?;
- src.read_byte()?;
- let width = src.read_u32le()? as usize;
- let height = src.read_u32le()? as usize;
- validate!(width != 0 && height != 0);
- src.read_u16le()?;
- self.astreams = src.read_byte()? as usize;
- validate!(self.astreams < 4);
- if self.astreams > 1 {
- return Err(DemuxerError::NotImplemented);
- }
- let nframes = src.read_u32le()? as usize;
- src.read_u32le()?; //nframes again?
- let tab_size = src.read_u32le()? as usize;
- src.read_skip(0x98)?;
-
- let vhdr = NAVideoInfo::new(width, height, true, RGB24_FORMAT);
- let vci = NACodecTypeInfo::Video(vhdr);
- // use tab_size mismatch as the version marker
- let vinfo = NACodecInfo::new("arxel-video", vci, Some(vec![(tab_size != nframes * 8) as u8]));
- if strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 100, tb_den, nframes as u64)).is_none() {
- return Err(DemuxerError::MemoryError);
- }
- if let Some(stream) = strmgr.get_stream_by_id(0) {
- let (tb_num, tb_den) = stream.get_timebase();
- self.tb_num = tb_num;
- self.tb_den = tb_den;
- }
-
- for trk in 0..(self.astreams as u32) {
- let channels = src.read_byte()? + 1;
- let abits = src.read_byte()?;
- let arate = src.read_u32le()?;
- src.read_skip(10)?;
- validate!(channels > 0);
- validate!(abits >= 8);
- validate!(arate > 0);
-
- let ahdr = NAAudioInfo::new(arate, channels, if abits > 8 { SND_S16_FORMAT } else { SND_U8_FORMAT }, 2);
- let ainfo = NACodecInfo::new("pcm", NACodecTypeInfo::Audio(ahdr), None);
- if strmgr.add_stream(NAStream::new(StreamType::Audio, 1 + trk, ainfo, 1, arate, 0)).is_none() {
- return Err(DemuxerError::MemoryError);
- }
- }
-
- if tab_size == nframes * 8 {
- let tab_size = tab_size / 4;
- self.offsets = Vec::with_capacity(tab_size);
- for _ in 0..tab_size {
- let offset = src.read_u32le()?;
- self.offsets.push(offset);
- }
- } else {
- validate!(nframes > 0);
- let off0 = src.read_u32le()?;
- let off1 = src.read_u32le()?;
- if off0 == 0 && off1 == 0 {
- self.is_ci2 = true;
- src.read_skip((nframes - 1) * 8)?;
- } else {
- return Err(DemuxerError::InvalidData);
- }
- }
- self.cur_frame = 0;
- self.vpts = 0;
- Ok(())
- }
-
- #[allow(unused_variables)]
- fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
- loop {
- let stream_id;
- if !self.is_ci2 {
- if self.cur_frame >= self.offsets.len() { return Err(DemuxerError::EOF); }
- let pos = u64::from(self.offsets[self.cur_frame]);
- stream_id = (self.cur_frame % (self.astreams.max(1) + 1)) as u32;
- self.cur_frame += 1;
- if pos == 0 {
- continue;
- }
- self.src.seek(SeekFrom::Start(pos))?;
- } else {
- stream_id = 1;
- }
- let ftype = match self.src.read_byte() {
- Ok(b) => b,
- Err(ByteIOError::EOF) if self.is_ci2 => return Err(DemuxerError::EOF),
- _ => return Err(DemuxerError::IOError),
- };
- match ftype {
- 0x41 | 0x42 | 0x5A => {
- let size = self.src.read_u32le()? as usize;
- if size == 0 {
- continue;
- }
- if let Some(stream) = strmgr.get_stream_by_id(stream_id) {
- let ts = stream.make_ts(None, None, None);
- return self.src.read_packet(stream, ts, true, size);
- } else {
- self.src.read_skip(size)?;
- }
- },
- 0x53 if !self.is_ci2 => {
- let size = self.src.peek_u32le()? as usize;
- if let Some(stream) = strmgr.get_stream_by_id(0) {
- let ts = stream.make_ts(Some(self.vpts), None, None);
- self.vpts += 1;
- return self.src.read_packet(stream, ts, true, size + 0x2F);
- } else {
- return Err(DemuxerError::MemoryError);
- }
- },
- 0x53 | 0x55 => {
- let size = self.src.peek_u32le()? as usize;
- let mut data = Vec::new();
- std::mem::swap(&mut self.tdata, &mut data);
- data.push(ftype);
- let head_size = data.len();
- data.resize(head_size + size + 0x2F, 0);
- self.src.read_buf(&mut data[head_size..])?;
- if let Some(stream) = strmgr.get_stream_by_id(0) {
- let ts = stream.make_ts(Some(self.vpts), None, None);
- self.vpts += 1;
- return Ok(NAPacket::new(stream, ts, ftype == 0x55, data));
- } else {
- return Err(DemuxerError::MemoryError);
- }
- },
- 0x54 => {
- validate!(self.is_ci2);
- let size = self.src.peek_u32le()? as usize;
- validate!(self.tdata.is_empty());
- self.tdata.resize(size + 9, 0);
- self.tdata[0] = 0x54;
- self.src.read_buf(&mut self.tdata[1..])?;
- },
- _ => continue,
- };
- }
- }
-
- fn seek(&mut self, time: NATimePoint, _seek_index: &SeekIndex) -> DemuxerResult<()> {
- if self.is_ci2 {
- return Err(DemuxerError::NotPossible);
- }
- match time {
- NATimePoint::PTS(pts) => self.seek_to_frame(pts),
- NATimePoint::Milliseconds(ms) => {
- if self.tb_num == 0 || self.tb_den == 0 {
- return Err(DemuxerError::NotPossible);
- }
- let pts = NATimeInfo::time_to_ts(ms, 1000, self.tb_num, self.tb_den);
- self.seek_to_frame(pts)
- },
- _ => Err(DemuxerError::NotPossible)
- }
- }
- fn get_duration(&self) -> u64 { 0 }
-}
-impl<'a> NAOptionHandler for ArxelCinemaDemuxer<'a> {
- fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] }
- fn set_options(&mut self, _options: &[NAOption]) { }
- fn query_option_value(&self, _name: &str) -> Option<NAValue> { None }
-}
-impl<'a> ArxelCinemaDemuxer<'a> {
- fn new(io: &'a mut ByteReader<'a>) -> Self {
- ArxelCinemaDemuxer {
- src: io,
- cur_frame: 0,
- astreams: 0,
- offsets: Vec::new(),
- vpts: 0,
- tb_num: 0,
- tb_den: 0,
- is_ci2: false,
- tdata: Vec::new(),
- }
- }
- fn seek_to_frame(&mut self, pts: u64) -> DemuxerResult<()> {
- let nframe = (pts as usize) * (1 + self.astreams.max(1));
- if nframe < self.offsets.len() {
- self.cur_frame = nframe;
- Ok(())
- } else {
- Err(DemuxerError::SeekError)
- }
- }
-}
-
-pub struct CNMDemuxerCreator { }
-
-impl DemuxerCreator for CNMDemuxerCreator {
- fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> {
- Box::new(ArxelCinemaDemuxer::new(br))
- }
- fn get_name(&self) -> &'static str { "arxel-cnm" }
-}
-
-#[cfg(test)]
-mod test {
- use super::*;
- use std::fs::File;
-
- // samples from the Ring game
- #[test]
- fn test_cnm_demux() {
- let mut file = File::open("assets/Game/logo.cnm").unwrap();
- let mut fr = FileReader::new_read(&mut file);
- let mut br = ByteReader::new(&mut fr);
- let mut dmx = ArxelCinemaDemuxer::new(&mut br);
- let mut sm = StreamManager::new();
- let mut si = SeekIndex::new();
- dmx.open(&mut sm, &mut si).unwrap();
- loop {
- let pktres = dmx.get_frame(&mut sm);
- if let Err(e) = pktres {
- if (e as i32) == (DemuxerError::EOF as i32) { break; }
- panic!("error");
- }
- let pkt = pktres.unwrap();
- println!("Got {}", pkt);
- }
- }
- #[test]
- fn test_cnm_noaud_demux() {
- let mut file = File::open("assets/Game/tr_as_ro_d.cnm").unwrap();
- let mut fr = FileReader::new_read(&mut file);
- let mut br = ByteReader::new(&mut fr);
- let mut dmx = ArxelCinemaDemuxer::new(&mut br);
- let mut sm = StreamManager::new();
- let mut si = SeekIndex::new();
- dmx.open(&mut sm, &mut si).unwrap();
- loop {
- let pktres = dmx.get_frame(&mut sm);
- if let Err(e) = pktres {
- if (e as i32) == (DemuxerError::EOF as i32) { break; }
- panic!("error");
- }
- let pkt = pktres.unwrap();
- println!("Got {}", pkt);
- }
- }
- // sample from Faust: The Seven Games of the Soul game
- #[test]
- fn test_ci2_demux() {
- let mut file = File::open("assets/Game/logo.CI2").unwrap();
- let mut fr = FileReader::new_read(&mut file);
- let mut br = ByteReader::new(&mut fr);
- let mut dmx = ArxelCinemaDemuxer::new(&mut br);
- let mut sm = StreamManager::new();
- let mut si = SeekIndex::new();
- dmx.open(&mut sm, &mut si).unwrap();
- loop {
- let pktres = dmx.get_frame(&mut sm);
- if let Err(e) = pktres {
- if (e as i32) == (DemuxerError::EOF as i32) { break; }
- panic!("error");
- }
- let pkt = pktres.unwrap();
- println!("Got {}", pkt);
- }
- }
-}
projects / nihav.git / commitdiff