141                    enum AVPixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright,  in av_picture_pad()  argument
166         if (padleft || padright) {  in av_picture_pad()
168                     (dst->linesize[0] - (padright * max_step[0]));  in av_picture_pad()
171                 memset(optr, color[0], (padleft + padright) * max_step[0]);  in av_picture_pad()
176         if (padbottom || padright) {  in av_picture_pad()
178                     (padright * max_step[0]);  in av_picture_pad()
180                     (padright * max_step[0]));  in av_picture_pad()
195         if (padleft || padright) {  in av_picture_pad()
197                 (dst->linesize[i] - (padright >> x_shift));  in av_picture_pad()
200                 memset(optr, color[i], (padleft + padright) >> x_shift);  in av_picture_pad()
209             memcpy(optr, iptr, (width - padleft - padright) >> x_shift);  in av_picture_pad()
212                 (dst->linesize[i] - (padright >> x_shift));  in av_picture_pad()
215                 memset(optr, color[i], (padleft + padright) >> x_shift);  in av_picture_pad()
216                 memcpy(optr + ((padleft + padright) >> x_shift), iptr,  in av_picture_pad()
217                        (width - padleft - padright) >> x_shift);  in av_picture_pad()
223         if (padbottom || padright) {  in av_picture_pad()
225                 ((height - padbottom) >> y_shift) - (padright >> x_shift);  in av_picture_pad()
227                 (padbottom >> y_shift) + (padright >> x_shift));  in av_picture_pad()