[FFmpeg-cvslog] avcodec/mpegvideo: Don't reset coded_block unnecessarily
Andreas Rheinhardt
git at videolan.org
Wed Jun 12 14:15:02 EEST 2024
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Sat Apr 20 23:02:11 2024 +0200| [582d828f754f580cab9342e9c8a8ca09b906d69a] | committer: Andreas Rheinhardt
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 at outlook.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=582d828f754f580cab9342e9c8a8ca09b906d69a
---
libavcodec/mpegvideo.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 74be22346d..ca6e637920 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -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;
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