avcodec/mpegvideo: Don't zero unnecessarily

The whole dc_val array is initialized (to 1024) immediately after the allocation.

Andreas Rheinhardt committed 1 year ago

Commit 85692e51 parent b4e71351 file · +1 −1Browse files

Unified · Split

libavcodec/mpegvideo.c+1−1

@@ -340,7 +340,7 @@ av_cold int ff_mpv_init_context_frame(MpegEncContext *s) · 339 unmodified lines
340	// MN: we need these for error resilience of intra-frames	340	// MN: we need these for error resilience of intra-frames
341	// Allocating them unconditionally for decoders also means	341	// Allocating them unconditionally for decoders also means
342	// that we don't need to reinitialize when e.g. h263_aic changes.	342	// that we don't need to reinitialize when e.g. h263_aic changes.
343	if (!FF_ALLOCZ_TYPED_ARRAY(s->dc_val_base, yc_size))	343	if (!FF_ALLOC_TYPED_ARRAY(s->dc_val_base, yc_size))
344	return AVERROR(ENOMEM);	344	return AVERROR(ENOMEM);
345	s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;	345	s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
346	s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;	346	s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;