X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=src%2Fdemuxers%2Favi.rs;h=a326561af4c57cdebf2e031ca98a8f501346bd8f;hb=b74ff9fac35d41737d71d97227fad233aa4a4b49;hp=5a55ff7628bbb6a09499c933e09db69700e5ca8a;hpb=b1be9318bde52e93b833ef418bffcbdcb14e9d79;p=nihav.git diff --git a/src/demuxers/avi.rs b/src/demuxers/avi.rs index 5a55ff7..a326561 100644 --- a/src/demuxers/avi.rs +++ b/src/demuxers/avi.rs @@ -1,9 +1,9 @@ use super::*; -use register; +use crate::register; use super::DemuxerError::*; -use io::byteio::*; -use frame::*; -use formats::*; +//use io::byteio::*; +//use frame::*; +use crate::formats::*; macro_rules! mktag { ($a:expr, $b:expr, $c:expr, $d:expr) => ({ @@ -39,14 +39,14 @@ impl StreamState { #[allow(dead_code)] struct AVIDemuxer<'a> { - opened: bool, src: &'a mut ByteReader<'a>, cur_frame: Vec, num_streams: u8, - dmx: Demuxer, size: usize, movi_size: usize, sstate: StreamState, + tb_num: u32, + tb_den: u32, } #[derive(Debug,Clone,Copy,PartialEq)] @@ -57,41 +57,55 @@ enum RIFFTag { struct RIFFParser { tag: RIFFTag, - parse: fn(&mut AVIDemuxer, size: usize) -> DemuxerResult, + parse: fn(&mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult, } -impl<'a> Demux<'a> for AVIDemuxer<'a> { +impl<'a> DemuxCore<'a> for AVIDemuxer<'a> { #[allow(unused_variables)] - fn open(&mut self) -> DemuxerResult<()> { - self.read_header()?; - self.opened = true; + fn open(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { + self.read_header(strmgr)?; Ok(()) } - fn get_num_streams(&self) -> usize { self.dmx.get_num_streams() } - fn get_stream(&self, idx: usize) -> Option> { self.dmx.get_stream(idx) } - - fn get_frame(&mut self) -> DemuxerResult { - if !self.opened { return Err(NoSuchInput); } + fn get_frame(&mut self, strmgr: &mut StreamManager) -> DemuxerResult { if self.movi_size == 0 { return Err(EOF); } let mut tag: [u8; 4] = [0; 4]; loop { + if (self.src.tell() & 1) == 1 { + self.src.read_skip(1)?; + self.movi_size -= 1; + if self.movi_size == 0 { return Err(EOF); } + } self.src.read_buf(&mut tag)?; let size = self.src.read_u32le()? as usize; if mktag!(tag) == mktag!(b"JUNK") { self.movi_size -= size + 8; self.src.read_skip(size)?; + if self.movi_size == 0 { return Err(EOF); } + continue; + } + if mktag!(tag) == mktag!(b"LIST") { + self.movi_size -= 12; + self.src.read_skip(4)?; + if self.movi_size == 0 { return Err(EOF); } continue; } if tag[0] < b'0' || tag[0] > b'9' || tag[1] < b'0' || tag[1] > b'9' { return Err(InvalidData); } let stream_no = (tag[0] - b'0') * 10 + (tag[1] - b'0'); - let str = self.dmx.get_stream(stream_no as usize); + let str = strmgr.get_stream(stream_no as usize); if let None = str { return Err(InvalidData); } let stream = str.unwrap(); - let pkt = self.src.read_packet(stream, Some(self.cur_frame[stream_no as usize]), None, None, false, size)?; - self.cur_frame[stream_no as usize] += 1; + if size == 0 { + self.movi_size -= 8; + if self.movi_size == 0 { return Err(EOF); } + continue; + } + let (tb_num, tb_den) = stream.get_timebase(); + let ts = NATimeInfo::new(Some(self.cur_frame[stream_no as usize]), None, None, tb_num, tb_den); + let pkt = self.src.read_packet(stream, ts, false, size)?; + self.cur_frame[stream_no as usize] += 1; self.movi_size -= size + 8; return Ok(pkt); @@ -100,7 +114,6 @@ impl<'a> Demux<'a> for AVIDemuxer<'a> { #[allow(unused_variables)] fn seek(&mut self, time: u64) -> DemuxerResult<()> { - if !self.opened { return Err(NoSuchInput); } Err(NotImplemented) } } @@ -110,16 +123,16 @@ impl<'a> AVIDemuxer<'a> { AVIDemuxer { cur_frame: Vec::new(), num_streams: 0, - opened: false, src: io, size: 0, movi_size: 0, sstate: StreamState::new(), - dmx: Demuxer::new() + tb_num: 0, + tb_den: 0, } } - fn parse_chunk(&mut self, end_tag: RIFFTag, csize: usize, depth: u16) -> DemuxerResult<(usize, bool)> { + fn parse_chunk(&mut self, strmgr: &mut StreamManager, end_tag: RIFFTag, csize: usize, depth: u16) -> DemuxerResult<(usize, bool)> { if csize < 8 { return Err(InvalidData); } if depth > 42 { return Err(InvalidData); } @@ -129,36 +142,49 @@ impl<'a> AVIDemuxer<'a> { if RIFFTag::Chunk(tag) == end_tag { return Ok((size, true)); } - let ltag = if is_list_tag(tag) { self.src.read_u32be()? } else { 0 }; + let is_list = is_list_tag(tag); + let ltag = if is_list { self.src.read_u32be()? } else { 0 }; if RIFFTag::List(tag, ltag) == end_tag { return Ok((size, true)); } for i in 0..CHUNKS.len() { if RIFFTag::Chunk(tag) == CHUNKS[i].tag { - let psize = (CHUNKS[i].parse)(self, size)?; + let psize = (CHUNKS[i].parse)(self, strmgr, size)?; if psize != size { return Err(InvalidData); } + if (psize & 1) == 1 { self.src.read_skip(1)?; } return Ok((size + 8, false)); } if RIFFTag::List(tag, ltag) == CHUNKS[i].tag { let mut rest_size = size - 4; - let psize = (CHUNKS[i].parse)(self, rest_size)?; + let psize = (CHUNKS[i].parse)(self, strmgr, rest_size)?; if psize > rest_size { return Err(InvalidData); } rest_size -= psize; while rest_size > 0 { - let (psize, _) = self.parse_chunk(end_tag, rest_size, depth+1)?; + let (psize, _) = self.parse_chunk(strmgr, end_tag, rest_size, depth+1)?; if psize > rest_size { return Err(InvalidData); } rest_size -= psize; + if (psize & 1) == 1 { + if rest_size > 0 { + rest_size -= 1; + } + } } return Ok((size + 8, false)); } } - self.src.read_skip(size)?; + if !is_list { + self.src.read_skip(size)?; + } else { + if size < 4 { return Err(InvalidData); } + self.src.read_skip(size - 4)?; + } + if (size & 1) == 1 { self.src.read_skip(1)?; } return Ok((size + 8, false)); } - fn read_header(&mut self) -> DemuxerResult<()> { + fn read_header(&mut self, strmgr: &mut StreamManager) -> DemuxerResult<()> { let riff_tag = self.src.read_u32be()?; let size = self.src.read_u32le()? as usize; let avi_tag = self.src.read_u32be()?; @@ -168,7 +194,7 @@ impl<'a> AVIDemuxer<'a> { self.size = size; let mut rest_size = size; loop { - let (csz, end) = self.parse_chunk(RIFFTag::List(mktag!(b"LIST"), mktag!(b"movi")), rest_size,0)?; + let (csz, end) = self.parse_chunk(strmgr, RIFFTag::List(mktag!(b"LIST"), mktag!(b"movi")), rest_size,0)?; if end { self.movi_size = csz - 4; break; } rest_size -= csz; } @@ -208,17 +234,17 @@ fn is_list_tag(tag: u32) -> bool { } #[allow(unused_variables)] -fn parse_hdrl(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { +fn parse_hdrl(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult { Ok(0) } #[allow(unused_variables)] -fn parse_strl(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { +fn parse_strl(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult { Ok(0) } #[allow(unused_variables)] -fn parse_strh(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { +fn parse_strh(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult { if size < 0x38 { return Err(InvalidData); } let tag = dmx.src.read_u32be()?; //stream type let fcc = dmx.src.read_u32be()?; //handler(fourcc) @@ -226,8 +252,8 @@ fn parse_strh(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { dmx.src.read_skip(2)?; //priority dmx.src.read_skip(2)?; //language dmx.src.read_skip(4)?; //initial frames - let scale = dmx.src.read_u32le()?; //scale - let rate = dmx.src.read_u32le()?; //rate + dmx.tb_num = dmx.src.read_u32le()?; //scale + dmx.tb_den = dmx.src.read_u32le()?; //rate dmx.src.read_skip(4)?; //start dmx.src.read_skip(4)?; //length dmx.src.read_skip(4)?; //buf size @@ -255,17 +281,17 @@ fn parse_strh(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { Ok(size) } -fn parse_strf(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { +fn parse_strf(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult { if let None = dmx.sstate.strm_type { return Err(InvalidData); } match dmx.sstate.strm_type.unwrap() { - StreamType::Video => parse_strf_vids(dmx, size), - StreamType::Audio => parse_strf_auds(dmx, size), - _ => parse_strf_xxxx(dmx, size), + StreamType::Video => parse_strf_vids(dmx, strmgr, size), + StreamType::Audio => parse_strf_auds(dmx, strmgr, size), + _ => parse_strf_xxxx(dmx, strmgr, size), } } #[allow(unused_variables)] -fn parse_strf_vids(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { +fn parse_strf_vids(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult { if size < 40 { return Err(InvalidData); } let bi_size = dmx.src.read_u32le()?; if (bi_size as usize) > size { return Err(InvalidData); } @@ -291,21 +317,21 @@ fn parse_strf_vids(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { Some(name) => name, }; let vinfo = NACodecInfo::new(cname, vci, edata); - let res = dmx.dmx.add_stream(NAStream::new(StreamType::Video, dmx.sstate.strm_no as u32, vinfo)); + let res = strmgr.add_stream(NAStream::new(StreamType::Video, dmx.sstate.strm_no as u32, vinfo, dmx.tb_num, dmx.tb_den)); if let None = res { return Err(MemoryError); } dmx.sstate.reset(); Ok(size) } #[allow(unused_variables)] -fn parse_strf_auds(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { +fn parse_strf_auds(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult { if size < 16 { return Err(InvalidData); } let w_format_tag = dmx.src.read_u16le()?; let channels = dmx.src.read_u16le()?; let samplespersec = dmx.src.read_u32le()?; let avgbytespersec = dmx.src.read_u32le()?; let block_align = dmx.src.read_u16le()?; - let bits_per_sample = dmx.src.read_u16le()?; + let bits_per_sample = dmx.src.read_u16le()? * 8; let soniton = NASoniton::new(bits_per_sample as u8, SONITON_FLAG_SIGNED); let ahdr = NAAudioInfo::new(samplespersec, channels as u8, soniton, block_align as usize); @@ -315,23 +341,23 @@ fn parse_strf_auds(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { Some(name) => name, }; let ainfo = NACodecInfo::new(cname, NACodecTypeInfo::Audio(ahdr), edata); - let res = dmx.dmx.add_stream(NAStream::new(StreamType::Audio, dmx.sstate.strm_no as u32, ainfo)); + let res = strmgr.add_stream(NAStream::new(StreamType::Audio, dmx.sstate.strm_no as u32, ainfo, dmx.tb_num, dmx.tb_den)); if let None = res { return Err(MemoryError); } dmx.sstate.reset(); Ok(size) } -fn parse_strf_xxxx(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { +fn parse_strf_xxxx(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult { let edata = dmx.read_extradata(size)?; let info = NACodecInfo::new("unknown", NACodecTypeInfo::None, edata); - let res = dmx.dmx.add_stream(NAStream::new(StreamType::Data, dmx.sstate.strm_no as u32, info)); + let res = strmgr.add_stream(NAStream::new(StreamType::Data, dmx.sstate.strm_no as u32, info, dmx.tb_num, dmx.tb_den)); if let None = res { return Err(MemoryError); } dmx.sstate.reset(); Ok(size) } #[allow(unused_variables)] -fn parse_avih(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { +fn parse_avih(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult { if size < 0x38 { return Err(InvalidData); } let timebase = dmx.src.read_u32le()?; //microsec per frame dmx.src.read_skip(4)?; //max frame size @@ -353,7 +379,8 @@ fn parse_avih(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { Ok(size) } -fn parse_junk(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { +#[allow(unused_variables)] +fn parse_junk(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> DemuxerResult { dmx.src.read_skip(size)?; Ok(size) } @@ -361,7 +388,7 @@ fn parse_junk(dmx: &mut AVIDemuxer, size: usize) -> DemuxerResult { pub struct AVIDemuxerCreator { } impl DemuxerCreator for AVIDemuxerCreator { - fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box + 'a> { + fn new_demuxer<'a>(&self, br: &'a mut ByteReader<'a>) -> Box + 'a> { Box::new(AVIDemuxer::new(br)) } fn get_name(&self) -> &'static str { "avi" } @@ -378,10 +405,11 @@ mod test { let mut fr = FileReader::new_read(&mut file); let mut br = ByteReader::new(&mut fr); let mut dmx = AVIDemuxer::new(&mut br); - dmx.open().unwrap(); + let mut sm = StreamManager::new(); + dmx.open(&mut sm).unwrap(); loop { - let pktres = dmx.get_frame(); + let pktres = dmx.get_frame(&mut sm); if let Err(e) = pktres { if e == DemuxerError::EOF { break; } panic!("error");