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From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Subject: [FFmpeg-devel] [PATCH v2 58/71] avcodec/mpegpicture: Avoid loop and
branch when setting motion_val
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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavcodec/mpegpicture.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/libavcodec/mpegpicture.c b/libavcodec/mpegpicture.c
index ea5d54c670..9308fce97c 100644
--- a/libavcodec/mpegpicture.c
+++ b/libavcodec/mpegpicture.c
@@ -223,6 +223,7 @@ static int alloc_picture_tables(BufferPoolContext *pools, MPVPicture *pic,
for (int i = 0; i < 2; i++) {
GET_BUFFER(ref_index,, [i]);
GET_BUFFER(motion_val, _base, [i]);
+ pic->motion_val[i] = pic->motion_val_base[i] + 4;
}
}
#undef GET_BUFFER
@@ -231,6 +232,9 @@ static int alloc_picture_tables(BufferPoolContext *pools, MPVPicture *pic,
pic->mb_height = mb_height;
pic->mb_stride = pools->alloc_mb_stride;
+ pic->qscale_table = pic->qscale_table_base + 2 * pic->mb_stride + 1;
+ pic->mb_type = pic->mb_type_base + 2 * pic->mb_stride + 1;
+
return 0;
}
@@ -250,13 +254,6 @@ int ff_mpv_alloc_pic_accessories(AVCodecContext *avctx, MPVWorkPicture *wpic,
if (ret < 0)
goto fail;
- pic->qscale_table = pic->qscale_table_base + 2 * pic->mb_stride + 1;
- pic->mb_type = pic->mb_type_base + 2 * pic->mb_stride + 1;
-
- if (pic->motion_val_base[0]) {
- for (int i = 0; i < 2; i++)
- pic->motion_val[i] = pic->motion_val_base[i] + 4;
- }
set_workpic_from_pic(wpic, pic);
return 0;
--
2.40.1
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