49 const uint8_t *buf = avpkt->
data;
50 const uint8_t *buf_end = avpkt->
data + avpkt->
size;
51 int buf_size = avpkt->
size;
55 const uint8_t *table, *vect;
57 int i, j, x, y,
stride, vect_w = 3, vect_h = 3;
73 if (buf_end - buf < 4)
84 last = first +
AV_RL16(buf + 2);
85 if (first >= 256 || last > 256 || buf_end - buf < 4 + 4 + 3 * (last - first))
88 for (i=first; i<last; i++, buf+=3)
89 pal[i] = (buf[0] << 18) | (buf[1] << 10) | (buf[2] << 2);
122 if (buf_end - buf < 256 * vect_w * vect_h)
124 table = buf + (256 * vect_w * vect_h);
126 int map_size = ((318 / vect_w + 7) / 8) * (198 / vect_h);
127 if (buf_end - table < map_size)
133 for (y=0; y<198; y+=vect_h) {
134 for (x=0; x<318; x+=vect_w) {
136 if (buf_end - table < 1)
138 vect = &buf[*table++ * (vect_w * vect_h)];
139 for (j=0; j<vect_w; j++) {
140 out[(y + 0) *
stride + x + j] = vect[(0 * vect_w) + j];
141 out[(y + 1) *
stride + x + j] = vect[(1 * vect_w) + j];
143 out[(y + 2) *
stride + x + j] =
144 vect[(2 * vect_w) + j];