X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-commonfmt%2Fsrc%2Fdemuxers%2Favi.rs;h=43d154a30b487959f8818d597d09f1059258d245;hb=c7a1307604dd07413141fdc71529f3606622ac93;hp=d0e9cf36fb4f8c37f151bdae26acfe20dbb99e2f;hpb=30d39a7a5dd2591903a703a1a252b83efb865859;p=nihav.git diff --git a/nihav-commonfmt/src/demuxers/avi.rs b/nihav-commonfmt/src/demuxers/avi.rs index d0e9cf3..43d154a 100644 --- a/nihav-commonfmt/src/demuxers/avi.rs +++ b/nihav-commonfmt/src/demuxers/avi.rs @@ -154,6 +154,12 @@ impl<'a> DemuxCore<'a> for AVIDemuxer<'a> { } } +impl<'a> NAOptionHandler for AVIDemuxer<'a> { + fn get_supported_options(&self) -> &[NAOptionDefinition] { &[] } + fn set_options(&mut self, _options: &[NAOption]) { } + fn query_option_value(&self, _name: &str) -> Option { None } +} + impl<'a> AVIDemuxer<'a> { fn new(io: &'a mut ByteReader<'a>) -> Self { AVIDemuxer { @@ -292,7 +298,8 @@ impl<'a> AVIDemuxer<'a> { newpal[i * 4] = self.src.read_byte()?; newpal[i * 4 + 1] = self.src.read_byte()?; newpal[i * 4 + 2] = self.src.read_byte()?; - newpal[i * 4 + 3] = self.src.read_byte()?; + newpal[i * 4 + 3] = 0; + self.src.read_byte()?; // flags } pe.pal = Arc::new(newpal); pe.changed = true; @@ -392,7 +399,7 @@ fn parse_strf(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> 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); } + if (bi_size as usize) < 40 { return Err(InvalidData); } let width = dmx.src.read_u32le()?; let height = dmx.src.read_u32le()? as i32; let planes = dmx.src.read_u16le()?; @@ -408,17 +415,18 @@ fn parse_strf_vids(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize let flip = height < 0; let format = if bitcount > 8 { RGB24_FORMAT } else { PAL8_FORMAT }; - let vhdr = NAVideoInfo::new(width as usize, if flip { -height as usize } else { height as usize}, flip, PAL8_FORMAT); + let mut vhdr = NAVideoInfo::new(width as usize, if flip { -height as usize } else { height as usize}, flip, format); + vhdr.bits = (planes as u8) * (bitcount as u8); let vci = NACodecTypeInfo::Video(vhdr); let edata = dmx.read_extradata(size - 40)?; if colors > 0 { if let Some(ref buf) = edata { let mut pal = [0u8; 1024]; for (dpal, spal) in pal.chunks_mut(4).take(colors as usize).zip(buf.chunks(4)) { - dpal[0] = spal[0]; + dpal[0] = spal[2]; dpal[1] = spal[1]; - dpal[2] = spal[2]; - dpal[3] = spal[3]; + dpal[2] = spal[0]; + dpal[3] = 0; } let pal = PalInfo { pal: Arc::new(pal), changed: true, stream_no: strmgr.get_num_streams() }; dmx.pal.push(pal); @@ -447,7 +455,13 @@ fn parse_strf_auds(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize 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); - let edata = dmx.read_extradata(size - 16)?; + let edata = if size > 16 { + let edata_size = dmx.src.read_u16le()? as usize; + validate!(edata_size + 18 <= size); + dmx.read_extradata(size - 18)? + } else { + None + }; let cname = match register::find_codec_from_wav_twocc(w_format_tag) { None => "unknown", Some(name) => name, @@ -497,6 +511,7 @@ fn parse_junk(dmx: &mut AVIDemuxer, strmgr: &mut StreamManager, size: usize) -> Ok(size) } +#[allow(clippy::verbose_bit_mask)] fn parse_idx1(src: &mut ByteReader, strmgr: &mut StreamManager, seek_idx: &mut SeekIndex, size: usize, movi_pos: u64, key_offs: &mut Vec) -> DemuxerResult { validate!((size & 15) == 0); let mut tag = [0u8; 4]; @@ -519,7 +534,8 @@ fn parse_idx1(src: &mut ByteReader, strmgr: &mut StreamManager, seek_idx: &mut S let (tb_num, tb_den) = str.get_timebase(); let pts = counter[stream_no]; let time = NATimeInfo::ts_to_time(pts, 1000, tb_num, tb_den); - seek_idx.add_entry(stream_no as u32, SeekEntry { time, pts, pos: offset + movi_pos - 4 }); + validate!(offset >= movi_pos); + seek_idx.add_entry(stream_no as u32, SeekEntry { time, pts, pos: offset }); } key_offs.push(offset); }