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avcodec/qdm2: Apply offsets when initializing VLCs

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt
2020-10-31 18:23:47 +01:00
parent 682b0e42e4
commit 760217f469
2 changed files with 2 additions and 2 deletions
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2
libavcodec/qdm2.c
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@@ -205,7 +205,7 @@ static int qdm2_get_vlc(GetBitContext *gb, const VLC *vlc, int flag, int depth)
value = get_vlc2(gb, vlc->table, vlc->bits, depth);
/* stage-2, 3 bits exponent escape sequence */
if (value-- == 0)
if (value < 0)
value = get_bits(gb, get_bits(gb, 3) + 1);
/* stage-3, optional */

2
libavcodec/qdm2_tablegen.h
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@@ -122,7 +122,7 @@ static av_cold void build_vlc(VLC *vlc, int nb_bits, int nb_codes, int idx,
vlc->table_allocated = qdm2_vlc_offs[idx + 1] - qdm2_vlc_offs[idx];
ff_init_vlc_from_lengths(vlc, nb_bits, nb_codes,
&tab[0][1], 2, &tab[0][0], 2, 1,
0, INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE, NULL);
-1, INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE, NULL);
}
static av_cold void qdm2_init_vlc(void)