46 const uint8_t *buf = avpkt->
data;
47 const uint8_t *buf_end = buf + avpkt->
size;
51 int outcnt = 0, maxcnt;
75 out = (uint16_t *) c->
cur.
data[0];
82 for (i = 0; i < 8; i++)
85 while (outcnt < maxcnt && buf_end - 2 > buf) {
89 if (!(code & 0x8000)) {
96 if ((code & 0x6000) == 0x6000) {
98 int oidx = (code >> 10) & 7;
101 count = (code & 0x3FF) + 3;
103 if (offsets[oidx] < 0) {
104 if (buf_end - 3 < buf)
110 start = (outcnt + offsets[oidx]) % maxcnt;
112 if (maxcnt - start < count)
117 "Frame reference does not exist\n");
125 int offset = (code & 0x1FFF) + 1;
127 if (!(code & 0x6000)) {
129 }
else if ((code & 0x6000) == 0x2000) {
132 if (buf_end - 1 < buf)
141 inp_off = outcnt - offset;
144 if (maxcnt - outcnt < count)
147 for (i = inp_off; i < count + inp_off; i++) {
148 out[outcnt++] = inp[i];