From c6c21059c1782d1be3bce200862e96bf97c960bd Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Thu, 24 Jan 2019 15:36:04 +0100 Subject: [PATCH] Bink demuxer --- nihav-core/src/detect.rs | 8 ++ nihav-rad/src/demuxers/bink.rs | 189 ++++++++++++++++++++++++++++++++- 2 files changed, 196 insertions(+), 1 deletion(-) diff --git a/nihav-core/src/detect.rs b/nihav-core/src/detect.rs index b2d4295..8308ba8 100644 --- a/nihav-core/src/detect.rs +++ b/nihav-core/src/detect.rs @@ -193,6 +193,14 @@ const DETECTORS: &[DetectConditions] = &[ extensions: ".ivr", conditions: &[CheckItem{offs: 0, cond: &CC::Or(&CC::Str(b".R1M"), &CC::Str(b".REC"))}], }, + DetectConditions { + demux_name: "bink", + extensions: ".bik,.kb2", + conditions: &[CheckItem{offs: 0, cond: &CC::Or(&CC::In(Arg::U32BE(0x32494B62), // BIKb + Arg::U32BE(0x32494B7B)), // BIKz + &CC::In(Arg::U32BE(0x4B423261), // KB2a + Arg::U32BE(0x4B42327B)))}], // KB2z + }, DetectConditions { demux_name: "smacker", extensions: ".smk", diff --git a/nihav-rad/src/demuxers/bink.rs b/nihav-rad/src/demuxers/bink.rs index 879efca..e54ea8c 100644 --- a/nihav-rad/src/demuxers/bink.rs +++ b/nihav-rad/src/demuxers/bink.rs @@ -1,12 +1,199 @@ use nihav_core::demuxers::*; use nihav_core::io::byteio::ByteReader; +struct AudioTrack { + id: usize, +} + +const BINK_AUD_FLAG_DCT: u8 = 0x10; +const BINK_AUD_FLAG_STEREO: u8 = 0x20; + +impl AudioTrack { + fn new(strmgr: &mut StreamManager, srate: u32, flags: u8, str_id: usize) -> DemuxerResult { + let channels = if (flags & BINK_AUD_FLAG_STEREO) != 0 { 2 } else { 1 }; + let codecname = if (flags & BINK_AUD_FLAG_DCT) != 0 { + "bink-audio-dct" + } else { + "bink-audio-rdft" + }; + let ahdr = NAAudioInfo::new(srate, channels, SND_F32P_FORMAT, 1); + let ainfo = NACodecInfo::new(codecname, NACodecTypeInfo::Audio(ahdr), None); + let res = strmgr.add_stream(NAStream::new(StreamType::Audio, (str_id + 1) as u32, ainfo, 1, srate)); + validate!(res.is_some()); + let id = res.unwrap(); + Ok(Self{ id }) + } +} + +struct BinkDemuxer<'a> { + src: &'a mut ByteReader<'a>, + cur_frame: usize, + frames: usize, + video_id: usize, + tb_num: u32, + tb_den: u32, + ainfo: Vec, + queued_packets: Vec, + frame_pos: Vec, +} + +macro_rules! mktag { + ($a:expr, $b:expr, $c:expr, $d:expr) => ({ + (($a as u32) << 24) | (($b as u32) << 16) | (($c as u32) << 8) | ($d as u32) + }); + ($arr:expr) => ({ + (($arr[0] as u32) << 24) | (($arr[1] as u32) << 16) | (($arr[2] as u32) << 8) | ($arr[3] as u32) + }); +} + +impl<'a> DemuxCore<'a> for BinkDemuxer<'a> { + fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { + let src = &mut self.src; + let mut magic: [u8; 4] = [0; 4]; + src.read_buf(&mut magic)?; + let magic_tag = mktag!(magic); + validate!((magic_tag >= mktag!(b"BIKb") && magic_tag <= mktag!(b"BIKk")) || + (magic_tag >= mktag!(b"KB2a") && magic_tag <= mktag!(b"KB2k"))); + let fsize = (src.read_u32le()? as usize) + 8; + self.frames = src.read_u32le()? as usize; + let max_size = src.read_u32le()? as usize; + let _frames2 = src.read_u32le()? as usize; + let width = src.read_u32le()? as usize; + let height = src.read_u32le()? as usize; + let tb_den = src.read_u32le()?; + let tb_num = src.read_u32le()?; + validate!((width > 0) && (height > 0) && (width <= 7680) && (height <= 4800)); + validate!((self.frames > 0) && (tb_num > 0) && (tb_den > 0) && (max_size < fsize)); + let mut flags: [u8; 4] = [0; 4]; + src.read_buf(&mut flags)?; + let mut edata: Vec = Vec::with_capacity(8); + edata.resize(8, 0); + let p0 = &mut edata[0..4]; + p0.copy_from_slice(&magic); + let p1 = &mut edata[4..][..4]; + p1.copy_from_slice(&flags); + let vhdr = NAVideoInfo::new(width, height, false, YUV420_FORMAT); + let codec = if magic[0] == b'K' && magic[1] == b'B' && magic[2] == b'2' { "bink2-video" } else { "bink-video" }; + let vinfo = NACodecInfo::new(codec, NACodecTypeInfo::Video(vhdr), Some(edata)); + let res = strmgr.add_stream(NAStream::new(StreamType::Video, 0, vinfo, self.tb_num, self.tb_den)); + validate!(res.is_some()); + self.video_id = res.unwrap(); + + let num_audio = src.read_u32le()? as usize; + validate!(num_audio < 256); + src.read_skip(num_audio * 4)?; // audio max output frame size? + self.ainfo = Vec::with_capacity(num_audio); + for i in 0..num_audio { + let srate = src.read_u24le()?; + let flags = src.read_byte()?; + validate!(srate > 0); + self.ainfo.push(AudioTrack::new(strmgr, srate, flags, i)?); + } + for _ in 0..num_audio { + let _trk_id = src.read_u32le()?; + } + + self.frame_pos = Vec::with_capacity(self.frames + 1); + for _ in 0..self.frames+1 { + let pos = src.read_u32le()?; + self.frame_pos.push(pos); + } + validate!((src.tell() as u32) == (self.frame_pos[0] & !1)); + + self.cur_frame = 0; + + Ok(()) + } + fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult { + if !self.queued_packets.is_empty() { + let pkt = self.queued_packets.pop().unwrap(); + return Ok(pkt); + } + if self.cur_frame >= self.frames { return Err(DemuxerError::EOF); } + let mut payload_size = ((self.frame_pos[self.cur_frame + 1] & !1) - (self.frame_pos[self.cur_frame] & !1)) as usize; + validate!(payload_size > self.ainfo.len() * 4); + for atrk in self.ainfo.iter() { + let size = self.src.read_u32le()? as usize; + validate!(payload_size > size + 4); + payload_size -= size + 4; + + let strres = strmgr.get_stream(atrk.id); + validate!(strres.is_some()); + let stream = strres.unwrap(); + let ts = NATimeInfo::new(Some(self.cur_frame as u64), None, None, self.tb_num, self.tb_den); + let pkt = self.src.read_packet(stream.clone(), ts, true, size)?; + self.queued_packets.push(pkt); + } + self.queued_packets.reverse(); + + let strres = strmgr.get_stream(self.video_id); + validate!(strres.is_some()); + let stream = strres.unwrap(); + let keyframe = (self.frame_pos[self.cur_frame] & 1) != 0; + let ts = NATimeInfo::new(Some(self.cur_frame as u64), None, None, self.tb_num, self.tb_den); + let pkt = self.src.read_packet(stream.clone(), ts, keyframe, payload_size)?; + + self.cur_frame += 1; + + Ok(pkt) + } + #[allow(unused_variables)] + fn seek(&mut self, time: u64) -> DemuxerResult<()> { + Err(DemuxerError::NotImplemented) + } +} + +impl<'a> BinkDemuxer<'a> { + fn new(io: &'a mut ByteReader<'a>) -> Self { + Self { + src: io, + cur_frame: 0, + frames: 0, + video_id: 0, + tb_num: 0, + tb_den: 0, + ainfo: Vec::new(), + queued_packets: Vec::new(), + frame_pos: Vec::new(), + } + } +} + + pub struct BinkDemuxerCreator { } impl DemuxerCreator for BinkDemuxerCreator { fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box + 'a> { - unimplemented!("");//Box::new(GremlinVideoDemuxer::new(br)) + Box::new(BinkDemuxer::new(br)) } fn get_name(&self) -> &'static str { "bink" } } +#[cfg(test)] +mod test { + use super::*; + use std::fs::File; + + #[test] + fn test_bink_demux() { + let mut file = File::open("assets/RAD/ActivisionLogo.bik").unwrap(); +// let mut file = File::open("assets/RAD/original.bik").unwrap(); +// let mut file = File::open("assets/RAD/Snd0a110c51.dee").unwrap(); +// let mut file = File::open("assets/RAD/NEW.BIK").unwrap(); +// let mut file = File::open("assets/RAD/ge_video_86l.bk2").unwrap(); + let mut fr = FileReader::new_read(&mut file); + let mut br = ByteReader::new(&mut fr); + let mut dmx = BinkDemuxer::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); + } + } +} -- 2.39.5