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avcodec/mpeg_er: Don't set block_index unnecessarily 

ff_init_block_index() sets MpegEncContext.dest and
MpegEncContext.block_index. The latter is unused by
ff_mpv_reconstruct_mb() (which is what this code is
preparatory for) and dest is overwritten a few lines below.
So don't initialize block_index at all.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-06-12 08:37:53 +02:00
parent c41818dc5d
commit 65d5ccb808
1 changed files with 0 additions and 4 deletions
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4
libavcodec/mpeg_er.c
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@ -76,10 +76,6 @@ static void mpeg_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
s->mcsel = 0;
memcpy(s->mv, mv, sizeof(*mv));
ff_init_block_index(s);
ff_update_block_index(s, s->avctx->bits_per_raw_sample,
s->avctx->lowres, s->chroma_x_shift);
s->bdsp.clear_blocks(s->block[0]);
if (!s->chroma_y_shift)
s->bdsp.clear_blocks(s->block[6]);