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memcpy considering output width, not src linesize, fix segv with av_picture_pad

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Originally committed as revision 13594 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-06-01 02:28:33 +00:00
parent 64e3e66175
commit 1be97a218e
1 changed files with 2 additions and 2 deletions
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4
libavcodec/imgconvert.c
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@ -2063,7 +2063,7 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
uint8_t *iptr = src->data[i];
optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
(padleft >> x_shift);
memcpy(optr, iptr, src->linesize[i]);
memcpy(optr, iptr, (width - padleft - padright) >> x_shift);
iptr += src->linesize[i];
optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
(dst->linesize[i] - (padright >> x_shift));
@ -2071,7 +2071,7 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
for (y = 0; y < yheight; y++) {
memset(optr, color[i], (padleft + padright) >> x_shift);
memcpy(optr + ((padleft + padright) >> x_shift), iptr,
src->linesize[i]);
(width - padleft - padright) >> x_shift);
iptr += src->linesize[i];
optr += dst->linesize[i];
}