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avcodec/mpegvideo: Don't reset coded_block unnecessarily 

coded_block is only used for I-frames, so it is unnecessary
to reset it in ff_clean_intra_table_entries() (which
cleans certain tables for a non-intra MB).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-04-20 23:02:11 +02:00
parent ba033acb56
commit 582d828f75
1 changed files with 1 additions and 7 deletions
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8
libavcodec/mpegvideo.c
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@ -808,7 +808,7 @@ void ff_mpv_common_end(MpegEncContext *s)
/**
* Clean dc, ac, coded_block for the current non-intra MB.
* Clean dc, ac for the current non-intra MB.
*/
void ff_clean_intra_table_entries(MpegEncContext *s)
{
@ -822,12 +822,6 @@ void ff_clean_intra_table_entries(MpegEncContext *s)
/* ac pred */
memset(s->ac_val[0][xy ], 0, 32 * sizeof(int16_t));
memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t));
if (s->msmpeg4_version>=3) {
s->coded_block[xy ] =
s->coded_block[xy + 1 ] =
s->coded_block[xy + wrap] =
s->coded_block[xy + 1 + wrap] = 0;
}
/* chroma */
wrap = s->mb_stride;
xy = s->mb_x + s->mb_y * wrap;