--- /dev/null
+use nihav_core::codecs::*;
+use nihav_core::io::byteio::*;
+use std::str::FromStr;
+
+macro_rules! lz_op {
+ (read; $dst:ident, $dpos:expr, $window:ident, $wpos:expr, $br:expr, $dst_size:expr) => {
+ validate!($dpos < $dst_size);
+ let b = $br.read_byte()?;
+ $dst[$dpos] = b;
+ $dpos += 1;
+ $window[$wpos] = b;
+ $wpos = ($wpos + 1) & 0xFFF;
+ };
+ (copy; $dst:ident, $dpos:expr, $window:ident, $wpos:expr, $off:expr, $dst_size:expr) => {
+ let b = $window[$off];
+ validate!($dpos < $dst_size);
+ $dst[$dpos] = b;
+ $dpos += 1;
+ $window[$wpos] = b;
+ $wpos = ($wpos + 1) & 0xFFF;
+ $off = ($off + 1) & 0xFFF;
+ };
+}
+fn lz_unpack(br: &mut ByteReader, dst: &mut [u8]) -> DecoderResult<()> {
+ let mut window: [u8; 0x1000] = [0x20; 0x1000];
+
+ let dst_size = br.read_u32le()? as usize;
+ validate!(dst_size <= dst.len());
+ let mut pos;
+ let esc_len;
+ if br.peek_u32le()? == 0x56781234 {
+ br.read_skip(4)?;
+ pos = 0x111;
+ esc_len = 15;
+ } else {
+ pos = 0xFEE;
+ esc_len = 255;
+ }
+
+ let mut opos = 0;
+ while br.left() > 0 && opos < dst_size {
+ let op = br.read_byte()?;
+ if (op == 0xFF) && (br.left() > 8) {
+ for _ in 0..8 {
+ lz_op!(read; dst, opos, window, pos, br, dst_size);
+ }
+ } else {
+ for i in 0..8 {
+ if opos == dst_size { break; }
+ let is_literal = ((op >> i) & 1) != 0;
+ if is_literal {
+ lz_op!(read; dst, opos, window, pos, br, dst_size);
+ } else {
+ let b0 = br.read_byte()? as usize;
+ let b1 = br.read_byte()? as usize;
+ let mut off = b0 | ((b1 & 0xF0) << 4);
+ let mut len = b1 & 0xF;
+ if len == esc_len {
+ len = (br.read_byte()? as usize) + esc_len;
+ }
+ for _ in 0..len+3 {
+ lz_op!(copy; dst, opos, window, pos, off, dst_size);
+ }
+ }
+ }
+ }
+ }
+ Ok(())
+}
+
+fn rle_unpack(br: &mut ByteReader, len: usize, dst: &mut [u8]) -> DecoderResult<()> {
+ let end = br.tell() + (len as u64);
+ let mut dpos = 0;
+ if (len & 1) != 0 {
+ dst[dpos] = br.read_byte()?;
+ dpos += 1;
+ }
+ while dpos < dst.len() && br.tell() < end {
+ let val = br.read_byte()?;
+ let len = ((val & 0x7F) as usize) * 2;
+ validate!(dpos + len <= dst.len());
+ if (val & 0x80) != 0 {
+ let dst = &mut dst[dpos..][..len];
+ br.read_buf(dst)?;
+ } else {
+ let val = br.read_byte()?;
+ for i in 0..len {
+ dst[dpos + i] = val;
+ }
+ }
+ dpos += len;
+ }
+ Ok(())
+}
+
+fn decode_frame_data(br: &mut ByteReader, dst: &mut [u8], mut dpos: usize, stride: usize, w: usize, h: usize, method: u8) -> DecoderResult<bool> {
+ match method {
+ 1 => {
+ for _ in 0..h {
+ let mut x = 0;
+ while x < w {
+ let val = br.read_byte()?;
+ let len = ((val & 0x7F) as usize) + 1;
+ validate!(x + len <= w);
+ if (val & 0x80) != 0 {
+ let pix = &mut dst[dpos + x..][..len];
+ br.read_buf(pix)?;
+ } // otherwise skip already existing data
+ x += len;
+ }
+ dpos += stride;
+ }
+ Ok(false)
+ },
+ 2 => {
+ for _ in 0..h {
+ let pix = &mut dst[dpos..][..w];
+ br.read_buf(pix)?;
+ dpos += stride;
+ }
+ Ok(true)
+ },
+ 3 => {
+ for _ in 0..h {
+ let mut x = 0;
+ while x < w {
+ let val = br.read_byte()?;
+ let len = ((val & 0x7F) as usize) + 1;
+ validate!(x + len <= w);
+ if (val & 0x80) != 0 {
+ let pix = &mut dst[dpos + x..][..len];
+ if br.peek_byte()? == 0xFF {
+ br.read_skip(1)?;
+ rle_unpack(br, len, pix)?;
+ } else {
+ br.read_buf(pix)?;
+ }
+ } // otherwise data is already there
+ x += len;
+ }
+ dpos += stride;
+ }
+ Ok(false)
+ },
+ _ => return Err(DecoderError::InvalidData),
+ }
+}
+
+struct VMDVideoDecoder {
+ info: Rc<NACodecInfo>,
+ pal: [u8; 768],
+ buf: Vec<u8>,
+ width: usize,
+ height: usize,
+ hams: HAMShuffler,
+}
+
+impl VMDVideoDecoder {
+ fn new() -> Self {
+ Self {
+ info: Rc::new(NACodecInfo::default()),
+ pal: [0; 768],
+ buf: Vec::new(),
+ width: 0,
+ height: 0,
+ hams: HAMShuffler::default(),
+ }
+ }
+ fn decode_frame(&mut self, br: &mut ByteReader, buf: &mut NAVideoBuffer<u8>) -> DecoderResult<bool> {
+ let paloff = buf.get_offset(1);
+ let stride = buf.get_stride(0);
+ let mut data = buf.get_data_mut();
+ let dst = data.as_mut_slice();
+
+ let frame_x = br.read_u16le()? as usize;
+ let frame_y = br.read_u16le()? as usize;
+ let frame_l = br.read_u16le()? as usize;
+ let frame_d = br.read_u16le()? as usize;
+ br.read_skip(1)?;
+ let flags = br.read_byte()?;
+ let has_pal = (flags & 0x02) != 0;
+ validate!(frame_l >= frame_x && frame_d >= frame_y);
+ validate!(frame_l < self.width && frame_d < self.height);
+
+ if has_pal {
+ br.read_skip(2)?;
+ for e in self.pal.iter_mut() {
+ let val = br.read_byte()?;
+ *e = (val << 2) | (val >> 4);
+ }
+ }
+
+ let dpal = &mut dst[paloff..][..768];
+ dpal.copy_from_slice(&self.pal[0..]);
+
+ if br.left() == 0 { return Ok(false); }
+
+ let w = frame_l + 1 - frame_x;
+ let h = frame_d + 1 - frame_y;
+ let dpos = frame_x + frame_y * stride;
+
+ let method = br.read_byte()?;
+ let is_intra;
+ if (method & 0x80) != 0 {
+ validate!(self.buf.len() > 0);
+ lz_unpack(br, &mut self.buf)?;
+ let mut mr = MemoryReader::new_read(&self.buf);
+ let mut buf_br = ByteReader::new(&mut mr);
+ is_intra = decode_frame_data(&mut buf_br, dst, dpos, stride, w, h, method & 0x7F)?;
+ } else {
+ is_intra = decode_frame_data(br, dst, dpos, stride, w, h, method & 0x7F)?;
+ }
+ Ok(is_intra && frame_x == 0 && frame_y == 0 && w == self.width && h == self.height)
+ }
+}
+
+impl NADecoder for VMDVideoDecoder {
+ fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
+ if let NACodecTypeInfo::Video(vinfo) = info.get_properties() {
+ self.width = vinfo.get_width();
+ self.height = vinfo.get_height();
+ let myinfo = NACodecTypeInfo::Video(NAVideoInfo::new(self.width, self.height, false, PAL8_FORMAT));
+ self.info = Rc::new(NACodecInfo::new_ref(info.get_name(), myinfo, info.get_extradata()));
+ validate!(info.get_extradata().is_some());
+
+ if let Some(ref edata) = info.get_extradata() {
+ validate!(edata.len() == 0x330);
+ let unp_size = read_u32le(&edata[800..])? as usize;
+ validate!(unp_size < self.width * self.height * 3 + 64); // just for sanity
+ self.buf.resize(unp_size, 0);
+ for i in 0..768 {
+ let el = edata[28 + i];
+ self.pal[i] = (el << 2) | (el >> 4);
+ }
+ }
+
+ Ok(())
+ } else {
+ Err(DecoderError::InvalidData)
+ }
+ }
+ fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+ let src = pkt.get_buffer();
+ validate!(src.len() >= 10);
+
+ let mut mr = MemoryReader::new_read(&src);
+ let mut br = ByteReader::new(&mut mr);
+
+ let mut buf;
+ let bufret = self.hams.clone_ref();
+ if let Some(bbuf) = bufret {
+ buf = bbuf;
+ } else {
+ let bufret = alloc_video_buffer(self.info.get_properties().get_video_info().unwrap(), 4);
+ if let Err(_) = bufret { return Err(DecoderError::InvalidData); }
+ let bufinfo = bufret.unwrap();
+ buf = bufinfo.get_vbuf().unwrap();
+ self.hams.add_frame(buf);
+ buf = self.hams.get_output_frame().unwrap();
+ }
+
+ let is_intra = self.decode_frame(&mut br, &mut buf)?;
+
+ let mut frm = NAFrame::new_from_pkt(pkt, self.info.clone(), NABufferType::Video(buf));
+ frm.set_keyframe(is_intra);
+ frm.set_frame_type(if is_intra { FrameType::I } else { FrameType::P });
+ Ok(Rc::new(RefCell::new(frm)))
+ }
+}
+
+
+pub fn get_decoder_video() -> Box<NADecoder> {
+ Box::new(VMDVideoDecoder::new())
+}
+
+struct VMDAudioDecoder {
+ ainfo: NAAudioInfo,
+ chmap: NAChannelMap,
+ is16bit: bool,
+ blk_align: usize,
+ blk_size: usize,
+}
+
+const SOL_AUD_STEPS16: [i16; 128] = [
+ 0x00, 0x08, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60,
+ 0x70, 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0,
+ 0xF0, 0x100, 0x110, 0x120, 0x130, 0x140, 0x150, 0x160,
+ 0x170, 0x180, 0x190, 0x1A0, 0x1B0, 0x1C0, 0x1D0, 0x1E0,
+ 0x1F0, 0x200, 0x208, 0x210, 0x218, 0x220, 0x228, 0x230,
+ 0x238, 0x240, 0x248, 0x250, 0x258, 0x260, 0x268, 0x270,
+ 0x278, 0x280, 0x288, 0x290, 0x298, 0x2A0, 0x2A8, 0x2B0,
+ 0x2B8, 0x2C0, 0x2C8, 0x2D0, 0x2D8, 0x2E0, 0x2E8, 0x2F0,
+ 0x2F8, 0x300, 0x308, 0x310, 0x318, 0x320, 0x328, 0x330,
+ 0x338, 0x340, 0x348, 0x350, 0x358, 0x360, 0x368, 0x370,
+ 0x378, 0x380, 0x388, 0x390, 0x398, 0x3A0, 0x3A8, 0x3B0,
+ 0x3B8, 0x3C0, 0x3C8, 0x3D0, 0x3D8, 0x3E0, 0x3E8, 0x3F0,
+ 0x3F8, 0x400, 0x440, 0x480, 0x4C0, 0x500, 0x540, 0x580,
+ 0x5C0, 0x600, 0x640, 0x680, 0x6C0, 0x700, 0x740, 0x780,
+ 0x7C0, 0x800, 0x900, 0xA00, 0xB00, 0xC00, 0xD00, 0xE00,
+ 0xF00, 0x1000, 0x1400, 0x1800, 0x1C00, 0x2000, 0x3000, 0x4000
+];
+
+impl VMDAudioDecoder {
+ fn new() -> Self {
+ Self {
+ ainfo: NAAudioInfo::new(0, 1, SND_S16P_FORMAT, 0),
+ chmap: NAChannelMap::new(),
+ is16bit: false,
+ blk_align: 0,
+ blk_size: 0,
+ }
+ }
+ fn decode_16bit(&self, dst: &mut [i16], off1: usize, br: &mut ByteReader, nblocks: usize, mut mask: u32) -> DecoderResult<()> {
+ let channels = self.chmap.num_channels();
+ let mut off = [0, off1];
+ for _ in 0..nblocks {
+ if (mask & 1) != 0 {
+ for ch in 0..channels {
+ for i in 0..self.blk_align {
+ dst[off[ch] + i] = 0;
+ }
+ off[ch] += self.blk_align;
+ }
+ } else {
+ let mut pred: [i32; 2] = [0; 2];
+ for ch in 0..channels {
+ pred[ch] = br.read_u16le()? as i32;
+ dst[off[ch]] = pred[ch] as i16;
+ off[ch] += 1;
+ }
+ let mut ch = 0;
+ let flip_ch = if channels == 2 { 1 } else { 0 };
+ for _ in 1..self.blk_align {
+ let b = br.read_byte()? as usize;
+ if (b & 0x80) != 0 {
+ pred[ch] -= SOL_AUD_STEPS16[b & 0x7F] as i32;
+ } else {
+ pred[ch] += SOL_AUD_STEPS16[b & 0x7F] as i32;
+ }
+ //pred[ch] = pred[ch].max(-32768).min(32767);
+ dst[off[ch]] = pred[ch] as i16;
+ off[ch] += 1;
+ ch ^= flip_ch;
+ }
+ }
+ mask >>= 1;
+ }
+ validate!(br.left() == 0);
+ Ok(())
+ }
+}
+
+impl NADecoder for VMDAudioDecoder {
+ fn init(&mut self, info: Rc<NACodecInfo>) -> DecoderResult<()> {
+ if let NACodecTypeInfo::Audio(ainfo) = info.get_properties() {
+ let fmt;
+ if ainfo.get_format().get_bits() == 8 {
+ fmt = SND_U8_FORMAT;
+ self.is16bit = false;
+ self.blk_size = ainfo.get_block_len();
+ } else {
+ fmt = SND_S16P_FORMAT;
+ self.is16bit = true;
+ self.blk_size = (ainfo.get_block_len() + 1) * (ainfo.get_channels() as usize);
+ };
+ self.blk_align = ainfo.get_block_len() / (ainfo.get_channels() as usize);
+ self.ainfo = NAAudioInfo::new(ainfo.get_sample_rate(), ainfo.get_channels(), fmt, ainfo.get_block_len());
+ self.chmap = NAChannelMap::from_str(if ainfo.get_channels() == 1 { "C" } else { "L,R" }).unwrap();
+ Ok(())
+ } else {
+ Err(DecoderError::InvalidData)
+ }
+ }
+ fn decode(&mut self, pkt: &NAPacket) -> DecoderResult<NAFrameRef> {
+ let info = pkt.get_stream().get_info();
+ if let NACodecTypeInfo::Audio(_) = info.get_properties() {
+ let pktbuf = pkt.get_buffer();
+ validate!(pktbuf.len() >= 6);
+ let mut mr = MemoryReader::new_read(&pktbuf);
+ let mut br = ByteReader::new(&mut mr);
+ let blk_type = br.read_byte()?;
+ br.read_skip(9)?;
+ let mask;
+ let nblocks;
+ if blk_type == 2 { // initial
+ mask = br.read_u32le()?;
+ nblocks = (mask.count_ones() as usize) + (pktbuf.len() - 14) / self.blk_size;
+ } else if blk_type == 3 { // silence
+ mask = 1;
+ nblocks = 1;
+ } else {
+ mask = 0;
+ nblocks = 1;
+ }
+ let samples = nblocks * self.blk_align;
+ let abuf = alloc_audio_buffer(self.ainfo, samples, self.chmap.clone())?;
+ if self.is16bit {
+ let mut adata = abuf.get_abuf_i16().unwrap();
+ let off1 = adata.get_offset(1);
+ let mut dst = adata.get_data_mut();
+ self.decode_16bit(&mut dst, off1, &mut br, nblocks, mask)?;
+ } else {
+ let mut adata = abuf.get_abuf_u8().unwrap();
+ let mut dst = adata.get_data_mut();
+ let mut doff = 0;
+ let mut mask = mask;
+ let channels = self.chmap.num_channels();
+ for _ in 0..nblocks {
+ if (mask & 1) != 0 {
+ for i in 0..self.blk_align * channels {
+ dst[doff + i] = 0;
+ }
+ } else {
+ for i in 0..self.blk_align * channels {
+ dst[doff + i] = br.read_byte()?;
+ }
+ }
+ doff += self.blk_align;
+ mask >>= 1;
+ }
+ }
+
+ let mut frm = NAFrame::new_from_pkt(pkt, info, abuf);
+ frm.set_duration(Some(samples as u64));
+ frm.set_keyframe(true);
+ Ok(Rc::new(RefCell::new(frm)))
+ } else {
+ Err(DecoderError::InvalidData)
+ }
+ }
+}
+
+pub fn get_decoder_audio() -> Box<NADecoder> {
+ Box::new(VMDAudioDecoder::new())
+}
+
+#[cfg(test)]
+mod test {
+ use nihav_core::codecs::RegisteredDecoders;
+ use nihav_core::demuxers::RegisteredDemuxers;
+ use nihav_core::test::dec_video::*;
+ use crate::codecs::game_register_all_codecs;
+ use crate::demuxers::game_register_all_demuxers;
+ #[test]
+ fn test_vmd_video() {
+ let mut dmx_reg = RegisteredDemuxers::new();
+ game_register_all_demuxers(&mut dmx_reg);
+ let mut dec_reg = RegisteredDecoders::new();
+ game_register_all_codecs(&mut dec_reg);
+
+// let file = "assets/1491.VMD";
+ let file = "assets/128.vmd";
+ test_file_decoding("vmd", file, Some(10), true, false, None/*Some("vmd")*/, &dmx_reg, &dec_reg);
+ }
+ #[test]
+ fn test_vmd_audio() {
+ let mut dmx_reg = RegisteredDemuxers::new();
+ game_register_all_demuxers(&mut dmx_reg);
+ let mut dec_reg = RegisteredDecoders::new();
+ game_register_all_codecs(&mut dec_reg);
+
+// let file = "assets/1491.VMD";
+ let file = "assets/128.vmd";
+ test_decode_audio("vmd", file, None, "vmd", &dmx_reg, &dec_reg);
+ }
+}
--- /dev/null
+use nihav_core::frame::*;
+use nihav_core::demuxers::*;
+use std::io::SeekFrom;
+
+const HEADER_SIZE: usize = 0x330;
+const FRAME_HDR_SIZE: usize = 10;
+
+const CHTYPE_VIDEO: u8 = 0x02;
+const CHTYPE_AUDIO: u8 = 0x01;
+
+#[derive(Clone,Copy)]
+struct FrameRec {
+ chtype: u8,
+ size: u32,
+ off: u32,
+ hdr: [u8; FRAME_HDR_SIZE],
+ ts: u32,
+}
+
+struct VMDDemuxer<'a> {
+ src: &'a mut ByteReader<'a>,
+ vid_id: usize,
+ aud_id: usize,
+ fno: usize,
+ is_indeo: bool,
+ frames: Vec<FrameRec>,
+}
+
+impl<'a> DemuxCore<'a> for VMDDemuxer<'a> {
+ #[allow(unused_variables)]
+ fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> {
+ let src = &mut self.src;
+
+ let mut header: [u8; HEADER_SIZE] = [0; HEADER_SIZE];
+ src.read_buf(&mut header)?;
+
+ let mut width = read_u16le(&header[12..])? as usize;
+ let mut height = read_u16le(&header[14..])? as usize;
+ self.is_indeo = &header[24..27] == b"iv3";
+ if self.is_indeo && width > 320 {
+ width >>= 1;
+ height >>= 1;
+ }
+
+ let nframes = read_u16le(&header[6..])? as usize;
+ let fpb = read_u16le(&header[18..])? as usize;
+ validate!(nframes > 0 && fpb > 0);
+
+ let mut edata: Vec<u8> = Vec::with_capacity(HEADER_SIZE);
+ edata.extend_from_slice(&header);
+ let vhdr = NAVideoInfo::new(width, height, false, PAL8_FORMAT);
+ let vci = NACodecTypeInfo::Video(vhdr);
+ let vinfo = NACodecInfo::new(if !self.is_indeo { "vmd-video" } else { "indeo3" }, vci, Some(edata));
+ self.vid_id = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, 12)).unwrap();
+
+ let srate = read_u16le(&header[804..])? as u32;
+ if srate > 0 {
+ let bsize = read_u16le(&header[806..])? as usize;
+ let channels = if (header[811] & 0x80) != 0 { 2 } else { 1 };
+ let is16bit;
+ let block_size;
+ if (bsize & 0x8000) != 0 {
+ is16bit = true;
+ block_size = 0x10000 - bsize;
+ } else {
+ is16bit = false;
+ block_size = bsize;
+ }
+
+ let ahdr = NAAudioInfo::new(srate, channels, if is16bit { SND_S16P_FORMAT } else { SND_U8_FORMAT }, block_size);
+ let ainfo = NACodecInfo::new("vmd-audio", NACodecTypeInfo::Audio(ahdr), None);
+ self.aud_id = strmgr.add_stream(NAStream::new(StreamType::Audio, 1, ainfo, 1, srate)).unwrap();
+ }
+
+ let adelay = read_u16le(&header[808..])? as u32;
+ let idx_off = read_u32le(&header[812..])? as u64;
+ src.seek(SeekFrom::Start(idx_off))?;
+ let mut offs: Vec<u32> = Vec::with_capacity(nframes);
+ for i in 0..nframes {
+ let _flags = src.read_u16le()?;
+ let off = src.read_u32le()?;
+ offs.push(off);
+ }
+ self.frames.reserve(nframes * fpb);
+ let mut ats = adelay;
+ for i in 0..nframes {
+ let mut off = offs[i];
+ for _ in 0..fpb {
+ let chtype = src.read_byte()?;
+ src.read_skip(1)?;
+ let size = src.read_u32le()?;
+ let mut hdr: [u8; FRAME_HDR_SIZE] = [0; FRAME_HDR_SIZE];
+ src.read_buf(&mut hdr)?;
+ if (chtype == CHTYPE_VIDEO || chtype == CHTYPE_AUDIO) && (size > 0) {
+ let ts = if (i == 0) || (chtype != CHTYPE_AUDIO) {
+ i as u32
+ } else {
+ ats
+ };
+ self.frames.push(FrameRec { chtype, size, hdr, off, ts });
+ }
+ if i > 0 && chtype == CHTYPE_AUDIO {
+ ats += 1;
+ }
+ if chtype != 0 {
+ validate!(off.checked_add(size).is_some());
+ off += size;
+ }
+ }
+ }
+
+ self.fno = 0;
+ Ok(())
+ }
+
+ fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> {
+ if self.fno >= self.frames.len() { return Err(DemuxerError::EOF); }
+ let cur_frame = &self.frames[self.fno];
+//println!("fno {} -> type {} size {} @ {:X} ts {}", self.fno, cur_frame.chtype, cur_frame.size, cur_frame.off, cur_frame.ts);
+ let next_pos = cur_frame.off as u64;
+ if self.src.tell() != next_pos {
+ self.src.seek(SeekFrom::Start(next_pos))?;
+ }
+
+ let is_video = cur_frame.chtype == CHTYPE_VIDEO;
+ let mut buf: Vec<u8> = Vec::with_capacity(FRAME_HDR_SIZE + (cur_frame.size as usize));
+ if !self.is_indeo || !is_video {
+ buf.extend_from_slice(&cur_frame.hdr);
+ buf.resize(FRAME_HDR_SIZE + (cur_frame.size as usize), 0);
+ self.src.read_buf(&mut buf[FRAME_HDR_SIZE..])?;
+ } else {
+ buf.resize(cur_frame.size as usize, 0);
+ self.src.read_buf(&mut buf)?;
+ }
+
+ self.fno += 1;
+
+ let str_id = if is_video { self.vid_id } else { self.aud_id };
+ let str = strmgr.get_stream(str_id).unwrap();
+ let (tb_num, tb_den) = str.get_timebase();
+ let ts = NATimeInfo::new(Some(cur_frame.ts as u64), None, None, tb_num, tb_den);
+ let pkt = NAPacket::new(str, ts, false, buf);
+
+ Ok(pkt)
+ }
+
+ #[allow(unused_variables)]
+ fn seek(&mut self, time: u64) -> DemuxerResult<()> {
+ Err(DemuxerError::NotImplemented)
+ }
+}
+
+impl<'a> VMDDemuxer<'a> {
+ fn new(io: &'a mut ByteReader<'a>) -> Self {
+ Self {
+ src: io,
+ vid_id: 0,
+ aud_id: 0,
+ fno: 0,
+ is_indeo: false,
+ frames: Vec::new(),
+ }
+ }
+}
+
+pub struct VMDDemuxerCreator { }
+
+impl DemuxerCreator for VMDDemuxerCreator {
+ fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<DemuxCore<'a> + 'a> {
+ Box::new(VMDDemuxer::new(br))
+ }
+ fn get_name(&self) -> &'static str { "vmd" }
+}
+
+#[cfg(test)]
+mod test {
+ use super::*;
+ use std::fs::File;
+
+ #[test]
+ fn test_vmd_demux() {
+ let mut file = File::open("assets/128.vmd").unwrap();
+ //let mut file = File::open("assets/1491.VMD").unwrap();
+ let mut fr = FileReader::new_read(&mut file);
+ let mut br = ByteReader::new(&mut fr);
+ let mut dmx = VMDDemuxer::new(&mut br);
+ let mut sm = StreamManager::new();
+ dmx.open(&mut sm).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);
+ }
+ }
+}