Lines Matching refs:back
114 * @param back how many bytes back we start, must be > 0
117 * cnt > back is valid, this will copy the bytes we just copied,
118 * thus creating a repeating pattern with a period length of back.
120 static inline void copy_backptr(LZOContext *c, int back, int cnt)
124 if (dst - c->out_start < back) {
132 av_memcpy_backptr(dst, back, cnt);
164 int cnt, back;
168 back = (GETB(c) << 3) + ((x >> 2) & 7) + 1;
172 back = (GETB(c) << 6) + (x >> 2) + 1;
175 back = (1 << 14) + ((x & 8) << 11);
177 back += (GETB(c) << 6) + (x >> 2);
178 if (back == (1 << 14)) {
191 back = (1 << 11) + (GETB(c) << 2) + (x >> 2) + 1;
194 back = (GETB(c) << 2) + (x >> 2) + 1;
196 copy_backptr(&c, back, cnt + 2);