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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>
This commit is contained in:
Michael Niedermayer 2013-02-16 10:44:38 +01:00
parent 446f7c62a2
commit 1e78679768
1 changed files with 12 additions and 3 deletions
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15
libavcodec/mpegvideo_enc.c
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@ -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);
}
}
}
}