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[FFmpeg-devel,57/57] avcodec/mpeg_er: Don't set block_index unnecessarily

Message ID GV1P250MB0737F18746833BBED020ABC28FC02@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM
State New
Headers show
Series [FFmpeg-devel,01/57] avcodec/vc1: Combine identical checks | expand

Commit Message

Andreas Rheinhardt June 12, 2024, 1:48 p.m. UTC
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>
 libavcodec/mpeg_er.c | 4 ----
 1 file changed, 4 deletions(-)
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diff --git a/libavcodec/mpeg_er.c b/libavcodec/mpeg_er.c
index e7b3197bb1..fe7dcd7efb 100644
--- a/libavcodec/mpeg_er.c
+++ b/libavcodec/mpeg_er.c
@@ -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);
     if (!s->chroma_y_shift)