44 if (*x + run >= s->
width) {
45 int n = s->
width - *x;
46 memset(d + *x, value, n);
53 memset(d + *x, value, run);
61 int *x,
int *y,
int *plane,
int bits_per_plane)
64 int shift = *plane * bits_per_plane;
65 int mask = ((1 << bits_per_plane) - 1) << shift;
70 for (j = 8-bits_per_plane; j >= 0; j -= bits_per_plane) {
72 d[*x] |= (value >> j) & mask;
80 value <<= bits_per_plane;
81 mask <<= bits_per_plane;
95 [3] = { 0, 11, 13, 15 },
96 [4] = { 0, 10, 12, 14 },
97 [5] = { 0, 11, 12, 15 },
101 void *
data,
int *got_frame,
107 int bits_per_plane, bpp, etype, esize, npal, pos_after_pal;
108 int i, x, y, plane, tmp, ret;
115 if (bytestream2_get_le16u(&s->
g) != 0x1234)
118 s->
width = bytestream2_get_le16u(&s->
g);
119 s->
height = bytestream2_get_le16u(&s->
g);
121 tmp = bytestream2_get_byteu(&s->
g);
122 bits_per_plane = tmp & 0xF;
125 if (bits_per_plane > 8 || bpp < 1 || bpp > 32) {
130 if (bytestream2_peek_byte(&s->
g) == 0xFF) {
132 etype = bytestream2_get_le16(&s->
g);
133 esize = bytestream2_get_le16(&s->
g);
158 palette = (uint32_t*)frame->
data[1];
159 if (etype == 1 && esize > 1 && bytestream2_peek_byte(&s->
g) < 6) {
160 int idx = bytestream2_get_byte(&s->
g);
162 for (i = 0; i < npal; i++)
164 }
else if (etype == 2) {
165 npal =
FFMIN(esize, 16);
166 for (i = 0; i < npal; i++) {
167 int pal_idx = bytestream2_get_byte(&s->
g);
170 }
else if (etype == 3) {
171 npal =
FFMIN(esize, 16);
172 for (i = 0; i < npal; i++) {
173 int pal_idx = bytestream2_get_byte(&s->
g);
176 }
else if (etype == 4 || etype == 5) {
177 npal =
FFMIN(esize / 3, 256);
178 for (i = 0; i < npal; i++)
179 palette[i] = bytestream2_get_be24(&s->
g) << 2;
183 palette[0] = 0x000000;
184 palette[1] = 0xFFFFFF;
185 }
else if (bpp == 2) {
187 for (i = 0; i < npal; i++)
202 if (bytestream2_get_le16(&s->
g)) {
204 int stop_size, marker, t1, t2;
207 t2 = bytestream2_get_le16(&s->
g);
208 stop_size = t1 -
FFMIN(t1, t2);
211 marker = bytestream2_get_byte(&s->
g);
213 while (plane < s->nb_planes &&
216 int val = bytestream2_get_byte(&s->
g);
218 run = bytestream2_get_byte(&s->
g);
220 run = bytestream2_get_le16(&s->
g);
221 val = bytestream2_get_byte(&s->
g);
226 if (bits_per_plane == 8) {
231 picmemset(s, frame, val, run, &x, &y, &plane, bits_per_plane);