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vorbisdec: Add missing checks

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Rate and order must not be 0 even if the specification does not say that
explicitly.
This commit is contained in:
Luca Barbato 2013-02-24 12:30:30 +01:00
parent fc386f2eea
commit 5b47c19bfd
1 changed files with 10 additions and 0 deletions
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10
libavcodec/vorbisdec.c
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@ -584,7 +584,17 @@ static int vorbis_parse_setup_hdr_floors(vorbis_context *vc)
floor_setup->decode = vorbis_floor0_decode;
floor_setup->data.t0.order = get_bits(gb, 8);
if (!floor_setup->data.t0.order) {
av_log(vc->avccontext, AV_LOG_ERROR,
"Floor 0 order is 0.\n");
return AVERROR_INVALIDDATA;
}
floor_setup->data.t0.rate = get_bits(gb, 16);
if (!floor_setup->data.t0.rate) {
av_log(vc->avccontext, AV_LOG_ERROR,
"Floor 0 rate is 0.\n");
return AVERROR_INVALIDDATA;
}
floor_setup->data.t0.bark_map_size = get_bits(gb, 16);
if (!floor_setup->data.t0.bark_map_size) {
av_log(vc->avccontext, AV_LOG_ERROR,