From 1e78679768b3a1ef336c5b52aa5027d8a50fcf0d Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 16 Feb 2013 10:44:38 +0100
Subject: [PATCH] mpegvideo_enc: draw edges on input
Improves Motion estimation, avoids using out of picture areas for %16 != 0
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
libavcodec/mpegvideo_enc.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index a3f9e76ac8d..57608b1f9cf 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1119,12 +1119,21 @@ static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
if (src_stride == dst_stride)
memcpy(dst, src, src_stride * h);
else {
- while (h--) {
- memcpy(dst, src, w);
- dst += dst_stride;
+ int h2 = h;
+ uint8_t *dst2 = dst;
+ while (h2--) {
+ memcpy(dst2, src, w);
+ dst2 += dst_stride;
src += src_stride;
}
}
+ if ((s->width & 15) || (s->height & 15)) {
+ s->dsp.draw_edges(dst, dst_stride,
+ w, h,
+ 16>>h_shift,
+ 16>>v_shift,
+ EDGE_BOTTOM);
+ }
}
}
}
--
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