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avcodec/wmadec: Don't check for errors for complete VLC tables

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Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-10-22 20:41:46 +02:00
parent f1c022abf0
commit 2b702015d8
1 changed files with 0 additions and 9 deletions
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9
libavcodec/wmadec.c
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@ -345,10 +345,6 @@ static int decode_exp_vlc(WMACodecContext *s, int ch)
while (q < q_end) { while (q < q_end) {
code = get_vlc2(&s->gb, s->exp_vlc.table, EXPVLCBITS, EXPMAX); code = get_vlc2(&s->gb, s->exp_vlc.table, EXPVLCBITS, EXPMAX);
if (code < 0) {
av_log(s->avctx, AV_LOG_ERROR, "Exponent vlc invalid\n");
return -1;
}
/* NOTE: this offset is the same as MPEG-4 AAC! */ /* NOTE: this offset is the same as MPEG-4 AAC! */
last_exp += code - 60; last_exp += code - 60;
if ((unsigned) last_exp + 60 >= FF_ARRAY_ELEMS(pow_tab)) { if ((unsigned) last_exp + 60 >= FF_ARRAY_ELEMS(pow_tab)) {
@ -560,11 +556,6 @@ static int wma_decode_block(WMACodecContext *s)
} else { } else {
code = get_vlc2(&s->gb, s->hgain_vlc.table, code = get_vlc2(&s->gb, s->hgain_vlc.table,
HGAINVLCBITS, HGAINMAX); HGAINVLCBITS, HGAINMAX);
if (code < 0) {
av_log(s->avctx, AV_LOG_ERROR,
"hgain vlc invalid\n");
return -1;
}
val += code - 18; val += code - 18;
} }
s->high_band_values[ch][i] = val; s->high_band_values[ch][i] = val;