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avcodec/mpegvideo: Don't overallocate buffer

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Only encoders need two sets of int16_t [12][64]
(one to save the current best state and one for the current
working state); decoders need only one. This saves 1.5KiB
per slice context for a decoder.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-10-25 02:11:50 +02:00
parent 307326b36d
commit 20ee12c677
1 changed files with 1 additions and 1 deletions
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2
libavcodec/mpegvideo.c
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@ -381,7 +381,7 @@ static int init_duplicate_context(MpegEncContext *s)
return AVERROR(ENOMEM);
}
}
if (!FF_ALLOCZ_TYPED_ARRAY(s->blocks, 2))
if (!FF_ALLOCZ_TYPED_ARRAY(s->blocks, 1 + s->encoding))
return AVERROR(ENOMEM);
s->block = s->blocks[0];