Lines Matching defs:back
112 * @param back how many bytes back we start, must be > 0
115 * cnt > back is valid, this will copy the bytes we just copied,
116 * thus creating a repeating pattern with a period length of back.
118 static inline void copy_backptr(LZOContext *c, int back, int cnt)
122 if (dst - c->out_start < back) {
130 av_memcpy_backptr(dst, back, cnt);
162 int cnt, back;
166 back = (GETB(c) << 3) + ((x >> 2) & 7) + 1;
170 back = (GETB(c) << 6) + (x >> 2) + 1;
173 back = (1 << 14) + ((x & 8) << 11);
175 back += (GETB(c) << 6) + (x >> 2);
176 if (back == (1 << 14)) {
189 back = (1 << 11) + (GETB(c) << 2) + (x >> 2) + 1;
192 back = (GETB(c) << 2) + (x >> 2) + 1;
194 copy_backptr(&c, back, cnt + 2);