It can't because the corresponding trees don't have any loose ends.
Removing the checks also removed an instance of av_log(NULL (with a
nonsense message) from the codebase.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
} else {
component = (n <= 3 ? 0 : n - 4 + 1);
diff = decode_dc(&a->gb, component);
- if (diff >= 0xffff)
- return AVERROR_INVALIDDATA;
a->last_dc[component] += diff;
block[0] = a->last_dc[component] * (1 << 3);
}
} else {
code = get_vlc2(gb, ff_dc_chroma_vlc.table, DC_VLC_BITS, 2);
}
- if (code < 0){
- av_log(NULL, AV_LOG_ERROR, "invalid dc code at\n");
- return 0xffff;
- }
if (code == 0) {
diff = 0;
} else {
component = (n & 1) + 1;
}
diff = decode_dc(&s->gb, component);
- if (diff >= 0xffff)
- return AVERROR_INVALIDDATA;
dc = s->last_dc[component];
dc += diff;
s->last_dc[component] = dc;
component = (n & 1) + 1;
}
diff = decode_dc(&s->gb, component);
- if (diff >= 0xffff)
- return AVERROR_INVALIDDATA;
dc = s->last_dc[component];
dc += diff;
s->last_dc[component] = dc;