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avcodec/mpeg4videodec: Use smallest max_depth in get_vlc2()

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The longest code here is 12 bits long and can be read in two attempts.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt
2020-10-23 20:00:27 +02:00
parent 51eda4c394
commit 6965ade54c
1 changed files with 2 additions and 2 deletions
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4
libavcodec/mpeg4videodec.c
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@@ -203,14 +203,14 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
int length; int length;
int x = 0, y = 0; int x = 0, y = 0;
length = get_vlc2(gb, sprite_trajectory.table, SPRITE_TRAJ_VLC_BITS, 3); length = get_vlc2(gb, sprite_trajectory.table, SPRITE_TRAJ_VLC_BITS, 2);
if (length > 0) if (length > 0)
x = get_xbits(gb, length); x = get_xbits(gb, length);
if (!(ctx->divx_version == 500 && ctx->divx_build == 413)) if (!(ctx->divx_version == 500 && ctx->divx_build == 413))
check_marker(s->avctx, gb, "before sprite_trajectory"); check_marker(s->avctx, gb, "before sprite_trajectory");
length = get_vlc2(gb, sprite_trajectory.table, SPRITE_TRAJ_VLC_BITS, 3); length = get_vlc2(gb, sprite_trajectory.table, SPRITE_TRAJ_VLC_BITS, 2);
if (length > 0) if (length > 0)
y = get_xbits(gb, length); y = get_xbits(gb, length);