| 1 | use std::io::SeekFrom; |
| 2 | use nihav_core::demuxers::*; |
| 3 | |
| 4 | const SMK_FLAG_LOOP_FRAME: u32 = 0x01; |
| 5 | |
| 6 | const SMK_FRAME_FLAG_PALETTE: u8 = 0x01; |
| 7 | |
| 8 | const SMK_AUD_FLAG_PACKED: u8 = 0x80; |
| 9 | const SMK_AUD_FLAG_PRESENT: u8 = 0x40; |
| 10 | const SMK_AUD_FLAG_16BIT: u8 = 0x20; |
| 11 | const SMK_AUD_FLAG_STEREO: u8 = 0x10; |
| 12 | const SMK_AUD_FLAG_BINKAUD_RDFT: u8 = 0x08; |
| 13 | const SMK_AUD_FLAG_BINKAUD_DCT: u8 = 0x04; |
| 14 | |
| 15 | const NUM_AUDIO_TRACKS: usize = 7; |
| 16 | |
| 17 | const PAL_SIZE: usize = 768; |
| 18 | |
| 19 | const SMK_DEFAULT_PAL: [u8; 64] = [ |
| 20 | 0x00, 0x04, 0x08, 0x0C, 0x10, 0x14, 0x18, 0x1C, |
| 21 | 0x20, 0x24, 0x28, 0x2C, 0x30, 0x34, 0x38, 0x3C, |
| 22 | 0x41, 0x45, 0x49, 0x4D, 0x51, 0x55, 0x59, 0x5D, |
| 23 | 0x61, 0x65, 0x69, 0x6D, 0x71, 0x75, 0x79, 0x7D, |
| 24 | 0x82, 0x86, 0x8A, 0x8E, 0x92, 0x96, 0x9A, 0x9E, |
| 25 | 0xA2, 0xA6, 0xAA, 0xAE, 0xB2, 0xB6, 0xBA, 0xBE, |
| 26 | 0xC3, 0xC7, 0xCB, 0xCF, 0xD3, 0xD7, 0xDB, 0xDF, |
| 27 | 0xE3, 0xE7, 0xEB, 0xEF, 0xF3, 0xF7, 0xFB, 0xFF |
| 28 | ]; |
| 29 | |
| 30 | #[derive(Clone,Copy)] |
| 31 | struct AudioTrack { |
| 32 | size: u32, |
| 33 | flags: u8, |
| 34 | srate: u32, |
| 35 | id: usize, |
| 36 | } |
| 37 | |
| 38 | impl AudioTrack { |
| 39 | fn new() -> Self { |
| 40 | Self { size: 0, flags: 0, srate: 0, id: 0 } |
| 41 | } |
| 42 | fn is_present(&self) -> bool { |
| 43 | (self.flags & SMK_AUD_FLAG_PRESENT) != 0 |
| 44 | } |
| 45 | fn add_stream(&mut self, strmgr: &mut StreamManager, str_id: usize) -> DemuxerResult<()> { |
| 46 | let channels = if (self.flags & SMK_AUD_FLAG_STEREO) != 0 { 2 } else { 1 }; |
| 47 | let codecname = if (self.flags & SMK_AUD_FLAG_BINKAUD_RDFT) != 0 { |
| 48 | "bink-audio-rdft" |
| 49 | } else if (self.flags & SMK_AUD_FLAG_BINKAUD_DCT) != 0 { |
| 50 | "bink-audio-dct" |
| 51 | } else if (self.flags & SMK_AUD_FLAG_PACKED) != 0 { |
| 52 | "smacker-audio" |
| 53 | } else { |
| 54 | "pcm" |
| 55 | }; |
| 56 | let soniton = if (self.flags & SMK_AUD_FLAG_16BIT) != 0 { SND_S16_FORMAT } else { SND_U8_FORMAT }; |
| 57 | let ahdr = NAAudioInfo::new(self.srate, channels, soniton, 1); |
| 58 | let ainfo = NACodecInfo::new(codecname, NACodecTypeInfo::Audio(ahdr), None); |
| 59 | let res = strmgr.add_stream(NAStream::new(StreamType::Audio, (str_id + 1) as u32, ainfo, 1, self.srate, 0)); |
| 60 | validate!(res.is_some()); |
| 61 | self.id = res.unwrap(); |
| 62 | |
| 63 | Ok(()) |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | struct SmackerVideoDemuxer<'a> { |
| 68 | src: &'a mut ByteReader<'a>, |
| 69 | frames: usize, |
| 70 | pts_inc: u64, |
| 71 | cur_pts: u64, |
| 72 | ainfo: [AudioTrack; NUM_AUDIO_TRACKS], |
| 73 | frame_sizes: Vec<u32>, |
| 74 | frame_flags: Vec<u8>, |
| 75 | video_id: usize, |
| 76 | start: u64, |
| 77 | cur_frame: usize, |
| 78 | queued_packets: Vec<NAPacket>, |
| 79 | pal: [u8; PAL_SIZE], |
| 80 | } |
| 81 | |
| 82 | /*macro_rules! mktag { |
| 83 | ($a:expr, $b:expr, $c:expr, $d:expr) => ({ |
| 84 | (($a as u32) << 24) | (($b as u32) << 16) | (($c as u32) << 8) | ($d as u32) |
| 85 | }); |
| 86 | ($arr:expr) => ({ |
| 87 | (($arr[0] as u32) << 24) | (($arr[1] as u32) << 16) | (($arr[2] as u32) << 8) | ($arr[3] as u32) |
| 88 | }); |
| 89 | }*/ |
| 90 | |
| 91 | fn get_pts_inc(val: i32) -> u64 { |
| 92 | if val > 0 { (val as u64) * 100 } |
| 93 | else if val < 0 { -val as u64 } |
| 94 | else { 1 } |
| 95 | } |
| 96 | |
| 97 | impl<'a> DemuxCore<'a> for SmackerVideoDemuxer<'a> { |
| 98 | #[allow(clippy::unreadable_literal)] |
| 99 | fn open(&mut self, strmgr: &mut StreamManager, _seek_idx: &mut SeekIndex) -> DemuxerResult<()> { |
| 100 | let src = &mut self.src; |
| 101 | let mut magic: [u8; 4] = [0; 4]; |
| 102 | src.read_buf(&mut magic)?; |
| 103 | validate!((&magic == b"SMK2") || (&magic == b"SMK4")); |
| 104 | let width = src.read_u32le()? as usize; |
| 105 | let height = src.read_u32le()? as usize; |
| 106 | self.frames = src.read_u32le()? as usize; |
| 107 | let pts_inc = src.read_u32le()? as i32; |
| 108 | let flags = src.read_u32le()?; |
| 109 | validate!((width > 0) && (height > 0) && (self.frames > 0)); |
| 110 | self.pts_inc = get_pts_inc(pts_inc); |
| 111 | |
| 112 | if (flags & SMK_FLAG_LOOP_FRAME) != 0 { |
| 113 | self.frames += 1; |
| 114 | } |
| 115 | |
| 116 | for i in 0..NUM_AUDIO_TRACKS { |
| 117 | self.ainfo[i].size = src.read_u32le()?; |
| 118 | } |
| 119 | let treesize = src.read_u32le()? as usize; |
| 120 | |
| 121 | let mut treedata: Vec<u8> = Vec::with_capacity(treesize + 20); |
| 122 | treedata.resize(treesize + 24, 0); |
| 123 | let hdr = &mut treedata[0..4]; |
| 124 | hdr.copy_from_slice(&magic); |
| 125 | let flg = &mut treedata[4..8]; |
| 126 | flg[0] = (flags & 0xFF) as u8; |
| 127 | flg[1] = (flags >> 8) as u8; |
| 128 | flg[2] = (flags >> 16) as u8; |
| 129 | flg[3] = (flags >> 24) as u8; |
| 130 | src.read_buf(&mut treedata[8..][..16])?; |
| 131 | |
| 132 | for i in 0..NUM_AUDIO_TRACKS { |
| 133 | self.ainfo[i].srate = src.read_u24le()?; |
| 134 | self.ainfo[i].flags = src.read_byte()?; |
| 135 | } |
| 136 | |
| 137 | src.read_skip(4)?; |
| 138 | |
| 139 | self.frame_sizes.resize(self.frames, 0); |
| 140 | self.frame_flags.resize(self.frames, 0); |
| 141 | for i in 0..self.frames { |
| 142 | self.frame_sizes[i] = src.read_u32le()?; |
| 143 | } |
| 144 | for i in 0..self.frames { |
| 145 | self.frame_flags[i] = src.read_byte()?; |
| 146 | } |
| 147 | |
| 148 | src.read_buf(&mut treedata[24..])?; |
| 149 | |
| 150 | let vhdr = NAVideoInfo::new(width, height, false, PAL8_FORMAT); |
| 151 | let vinfo = NACodecInfo::new("smacker-video", NACodecTypeInfo::Video(vhdr), Some(treedata)); |
| 152 | let res = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, 1, 100000, 0)); |
| 153 | validate!(res.is_some()); |
| 154 | self.video_id = res.unwrap(); |
| 155 | |
| 156 | for i in 0..NUM_AUDIO_TRACKS { |
| 157 | if self.ainfo[i].is_present() { |
| 158 | self.ainfo[i].add_stream(strmgr, i)?; |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | self.start = src.tell(); |
| 163 | self.cur_frame = 0; |
| 164 | self.reset_state(); |
| 165 | |
| 166 | Ok(()) |
| 167 | } |
| 168 | #[allow(clippy::identity_op)] |
| 169 | #[allow(clippy::unreadable_literal)] |
| 170 | fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<NAPacket> { |
| 171 | if !self.queued_packets.is_empty() { |
| 172 | let pkt = self.queued_packets.pop().unwrap(); |
| 173 | return Ok(pkt); |
| 174 | } |
| 175 | if self.cur_frame >= self.frames { return Err(DemuxerError::EOF); } |
| 176 | |
| 177 | let mut payload_size = (self.frame_sizes[self.cur_frame] & !3) as usize; |
| 178 | let frame_flags = self.frame_flags[self.cur_frame]; |
| 179 | if (frame_flags & SMK_FRAME_FLAG_PALETTE) != 0 { |
| 180 | let chunk_size = (self.src.read_byte()? as usize) * 4; |
| 181 | validate!(chunk_size > 0); |
| 182 | validate!(payload_size >= chunk_size); |
| 183 | payload_size -= chunk_size; |
| 184 | let oldpal = self.pal; |
| 185 | let mut idx = 0; |
| 186 | let endpos = self.src.tell() + (chunk_size as u64) - 1; |
| 187 | while idx < 256 { |
| 188 | let op = self.src.read_byte()?; |
| 189 | if (op & 0x80) != 0 { |
| 190 | idx += ((op & 0x7F) as usize) + 1; |
| 191 | } else if (op & 0x40) != 0 { |
| 192 | let start = self.src.read_byte()? as usize; |
| 193 | let len = ((op & 0x3F) as usize) + 1; |
| 194 | validate!(idx + len <= 256); |
| 195 | for i in 0..len*3 { |
| 196 | self.pal[idx * 3 + i] = oldpal[start * 3 + i]; |
| 197 | } |
| 198 | idx += len; |
| 199 | } else { |
| 200 | let ix0 = op as usize; |
| 201 | let ix1 = (self.src.read_byte()? & 0x3F) as usize; |
| 202 | let ix2 = (self.src.read_byte()? & 0x3F) as usize; |
| 203 | self.pal[idx * 3 + 0] = SMK_DEFAULT_PAL[ix0]; |
| 204 | self.pal[idx * 3 + 1] = SMK_DEFAULT_PAL[ix1]; |
| 205 | self.pal[idx * 3 + 2] = SMK_DEFAULT_PAL[ix2]; |
| 206 | idx += 1; |
| 207 | } |
| 208 | } |
| 209 | validate!(self.src.tell() <= endpos); |
| 210 | if self.src.tell() < endpos { |
| 211 | let skip_size = endpos - self.src.tell(); |
| 212 | self.src.read_skip(skip_size as usize)?; |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | let ts = NATimeInfo::new(Some(self.cur_pts), None, None, 1, 100000); |
| 217 | for i in 0..NUM_AUDIO_TRACKS { |
| 218 | if ((frame_flags >> (i + 1)) & 1) == 0 { continue; } |
| 219 | let size = self.src.read_u32le()? as usize; |
| 220 | validate!(size > 4); |
| 221 | validate!(payload_size >= size); |
| 222 | payload_size -= size; |
| 223 | if !self.ainfo[i].is_present() { |
| 224 | self.src.read_skip(size - 4)?; |
| 225 | continue; |
| 226 | } |
| 227 | let strres = strmgr.get_stream(self.ainfo[i].id); |
| 228 | validate!(strres.is_some()); |
| 229 | let stream = strres.unwrap(); |
| 230 | let pkt = self.src.read_packet(stream.clone(), ts, true, size - 4)?; |
| 231 | self.queued_packets.push(pkt); |
| 232 | } |
| 233 | self.queued_packets.reverse(); |
| 234 | |
| 235 | let mut buf: Vec<u8> = Vec::with_capacity(PAL_SIZE + payload_size); |
| 236 | buf.resize(PAL_SIZE, 0); |
| 237 | buf.copy_from_slice(&self.pal[0..]); |
| 238 | if payload_size > 0 { |
| 239 | buf.resize(PAL_SIZE + payload_size, 0); |
| 240 | self.src.read_buf(&mut buf[PAL_SIZE..])?; |
| 241 | } |
| 242 | |
| 243 | let strres = strmgr.get_stream(self.video_id); |
| 244 | validate!(strres.is_some()); |
| 245 | let stream = strres.unwrap(); |
| 246 | let keyframe = (self.frame_sizes[self.cur_frame] & 1) != 0; |
| 247 | let pkt = NAPacket::new(stream, ts, keyframe, buf); |
| 248 | |
| 249 | self.cur_frame += 1; |
| 250 | self.cur_pts += self.pts_inc; |
| 251 | |
| 252 | Ok(pkt) |
| 253 | } |
| 254 | fn seek(&mut self, time: NATimePoint, _seek_idx: &SeekIndex) -> DemuxerResult<()> { |
| 255 | let seek_to_start = match time { |
| 256 | NATimePoint::Milliseconds(0) => true, |
| 257 | NATimePoint::PTS(0) => true, |
| 258 | _ => false, |
| 259 | }; |
| 260 | if seek_to_start { |
| 261 | let start = self.start; |
| 262 | self.src.seek(SeekFrom::Start(start))?; |
| 263 | self.cur_frame = 0; |
| 264 | self.cur_pts = 0; |
| 265 | self.reset_state(); |
| 266 | return Ok(()); |
| 267 | } |
| 268 | Err(DemuxerError::NotImplemented) |
| 269 | } |
| 270 | fn get_duration(&self) -> u64 { self.frames as u64 * self.pts_inc / 100 } |
| 271 | } |
| 272 | |
| 273 | impl<'a> NAOptionHandler for SmackerVideoDemuxer<'a> { |
| 274 | fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } |
| 275 | fn set_options(&mut self, _options: &[NAOption]) { } |
| 276 | fn query_option_value(&self, _name: &str) -> Option<NAValue> { None } |
| 277 | } |
| 278 | |
| 279 | impl<'a> SmackerVideoDemuxer<'a> { |
| 280 | fn new(io: &'a mut ByteReader<'a>) -> Self { |
| 281 | SmackerVideoDemuxer { |
| 282 | src: io, |
| 283 | frames: 0, |
| 284 | pts_inc: 0, |
| 285 | cur_pts: 0, |
| 286 | ainfo: [AudioTrack::new(); NUM_AUDIO_TRACKS], |
| 287 | frame_sizes: Vec::new(), |
| 288 | frame_flags: Vec::new(), |
| 289 | video_id: 0, |
| 290 | start: 0, |
| 291 | cur_frame: 0, |
| 292 | queued_packets: Vec::new(), |
| 293 | pal: [0; PAL_SIZE], |
| 294 | } |
| 295 | } |
| 296 | fn reset_state(&mut self) { |
| 297 | self.queued_packets.clear(); |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | pub struct SMKDemuxerCreator { } |
| 302 | |
| 303 | impl DemuxerCreator for SMKDemuxerCreator { |
| 304 | fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box<dyn DemuxCore<'a> + 'a> { |
| 305 | Box::new(SmackerVideoDemuxer::new(br)) |
| 306 | } |
| 307 | fn get_name(&self) -> &'static str { "smacker" } |
| 308 | } |
| 309 | |
| 310 | #[cfg(test)] |
| 311 | mod test { |
| 312 | use super::*; |
| 313 | use std::fs::File; |
| 314 | |
| 315 | #[test] |
| 316 | fn test_smk_demux() { |
| 317 | // sample: https://samples.mplayerhq.hu/game-formats/smacker/20130507_audio-distortion.smk |
| 318 | let mut file = File::open("assets/RAD/20130507_audio-distortion.smk").unwrap(); |
| 319 | // let mut file = File::open("assets/RAD/ajfstr1.smk").unwrap(); |
| 320 | // let mut file = File::open("assets/RAD/credits.smk").unwrap(); |
| 321 | // let mut file = File::open("assets/RAD/wetlogo.smk").unwrap(); |
| 322 | let mut fr = FileReader::new_read(&mut file); |
| 323 | let mut br = ByteReader::new(&mut fr); |
| 324 | let mut dmx = SmackerVideoDemuxer::new(&mut br); |
| 325 | let mut sm = StreamManager::new(); |
| 326 | let mut si = SeekIndex::new(); |
| 327 | dmx.open(&mut sm, &mut si).unwrap(); |
| 328 | loop { |
| 329 | let pktres = dmx.get_frame(&mut sm); |
| 330 | if let Err(e) = pktres { |
| 331 | if (e as i32) == (DemuxerError::EOF as i32) { break; } |
| 332 | panic!("error"); |
| 333 | } |
| 334 | let pkt = pktres.unwrap(); |
| 335 | println!("Got {}", pkt); |
| 336 | } |
| 337 | } |
| 338 | } |