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avcodec/vlc: fix off by one in limit check for multi

This commit is contained in:
Paul B Mahol 2023-09-27 19:13:58 +02:00
parent 58b6c0c327
commit b23eaf968e
1 changed files with 2 additions and 2 deletions
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4
libavcodec/vlc.c
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@ -368,7 +368,7 @@ static void add_level(VLC_MULTI_ELEM *table, const int nb_elems,
uint32_t code;
sym = buf[t].symbol;
if (l > curlimit)
if (l >= curlimit)
return;
code = curcode + (buf[t].code >> curlen);
newlimit = curlimit - l;
@ -401,7 +401,7 @@ static int vlc_multi_gen(VLC_MULTI_ELEM *table, const VLC *single,
{
int minbits, maxbits, max = nb_codes-1;
unsigned count[VLC_MULTI_MAX_SYMBOLS-1] = { 0, };
VLC_MULTI_ELEM info = { { 0, }, 0, };
VLC_MULTI_ELEM info = { { 0, }, 0, 0, };
minbits = buf[0].bits;
maxbits = buf[0].bits;