47 const uint8_t *buf = avpkt->
data;
48 const uint8_t *buf_end = buf + avpkt->
size;
52 int outcnt = 0, maxcnt;
76 out = (uint16_t *) c->
cur.
data[0];
83 for (i = 0; i < 8; i++)
86 while (outcnt < maxcnt && buf_end - 2 > buf) {
90 if (!(code & 0x8000)) {
97 if ((code & 0x6000) == 0x6000) {
99 int oidx = (code >> 10) & 7;
102 count = (code & 0x3FF) + 3;
104 if (offsets[oidx] < 0) {
105 if (buf_end - 3 < buf)
111 start = (outcnt + offsets[oidx]) % maxcnt;
113 if (maxcnt - start < count)
118 "Frame reference does not exist\n");
126 int offset = (code & 0x1FFF) + 1;
128 if (!(code & 0x6000)) {
130 }
else if ((code & 0x6000) == 0x2000) {
133 if (buf_end - 1 < buf)
142 inp_off = outcnt - offset;
145 if (maxcnt - outcnt < count)
148 for (i = inp_off; i < count + inp_off; i++) {
149 out[outcnt++] = inp[i];