X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-commonfmt%2Fsrc%2Fdemuxers%2Favi.rs;h=f14c31a466042ae15fe2e969dfbfa722ea719fb9;hb=bc22bba650c0ad4cd84d748468539b5dae982dc5;hp=c4b4817c633b335e62b01b739f3668da4ba7b8c2;hpb=51382a9ad683e7b4d5907f63cd8e103f531f577c;p=nihav.git diff --git a/nihav-commonfmt/src/demuxers/avi.rs b/nihav-commonfmt/src/demuxers/avi.rs index c4b4817..f14c31a 100644 --- a/nihav-commonfmt/src/demuxers/avi.rs +++ b/nihav-commonfmt/src/demuxers/avi.rs @@ -167,9 +167,13 @@ impl<'a> DemuxCore<'a> for AVIDemuxer<'a> { } continue; } - let str = strmgr.get_stream(stream_no as usize); - if str.is_none() { return Err(InvalidData); } - let stream = str.unwrap(); + let stream = strmgr.get_stream(stream_no as usize); + if stream.is_none() { + self.src.read_skip(size)?; + self.movi_size -= size + 8; + continue; + } + let stream = stream.unwrap(); if size == 0 { self.movi_size -= 8; if self.movi_size == 0 { @@ -180,8 +184,8 @@ impl<'a> DemuxCore<'a> for AVIDemuxer<'a> { } continue; } - let (tb_num, tb_den) = stream.get_timebase(); - let mut ts = NATimeInfo::new(Some(self.cur_frame[stream_no as usize]), None, None, tb_num, tb_den); + let (tb_num, _) = stream.get_timebase(); + let mut ts = stream.make_ts(Some(self.cur_frame[stream_no as usize]), None, None); if stream.get_media_type() == StreamType::Audio && tb_num == 1 && stream.get_info().get_name() == "pcm" { ts.pts = None; } @@ -239,7 +243,7 @@ impl<'a> DemuxCore<'a> for AVIDemuxer<'a> { } if seek_info.pos < self.movi_pos { return Err(DemuxerError::SeekError); } let skip_size = (seek_info.pos - self.movi_pos) as usize; - if skip_size > self.movi_size { return Err(DemuxerError::SeekError); } + if skip_size > self.movi_orig { return Err(DemuxerError::SeekError); } self.movi_size = self.movi_orig - skip_size; self.cur_frame[seek_info.str_id as usize] = seek_info.pts; @@ -425,6 +429,7 @@ impl<'a> AVIDemuxer<'a> { if pe.stream_no == stream_no { let start_clr = self.src.read_byte()? as usize; let len = self.src.read_byte()? as usize; + let len = if len == 0 { 256 } else { len }; let _flags = self.src.read_u16le()?; validate!(start_clr + len <= 256); validate!(len * 4 + 4 == size); @@ -792,9 +797,9 @@ fn parse_idx1(src: &mut ByteReader, strmgr: &mut StreamManager, seek_idx: &mut S let stream_no = ((tag[0] - b'0') * 10 + (tag[1] - b'0')) as usize; if (flags & 0x10) != 0 { - if let Some(str) = strmgr.get_stream(stream_no) { - if str.get_media_type() == StreamType::Video { - let (tb_num, tb_den) = str.get_timebase(); + if let Some(stream) = strmgr.get_stream(stream_no) { + if stream.get_media_type() == StreamType::Video { + let (tb_num, tb_den) = stream.get_timebase(); let pts = counter[stream_no]; let time = NATimeInfo::ts_to_time(pts, 1000, tb_num, tb_den); validate!(offset >= movi_pos); @@ -819,7 +824,7 @@ fn parse_odml_ix(src: &mut ByteReader, strmgr: &mut StreamManager, seek_idx: &mu let idx_type = src.read_byte()?; validate!(sub_type == 0 && idx_type == 1); let entries = src.read_u32le()? as usize; - validate!(size == 24 + entries * 4 * entry_size); + validate!(size >= 24 + entries * 4 * entry_size); src.read_tag()?; //chunk id let base_offset = src.read_u64le()?; src.read_u32le()?; //reserved