50 0x0660, 0xFF00, 0xCCCC, 0xF000, 0x8888, 0x000F, 0x1111, 0xFEC8,
51 0x8CEF, 0x137F, 0xF731, 0xC800, 0x008C, 0x0013, 0x3100, 0xCC00,
52 0x00CC, 0x0033, 0x3300, 0x0FF0, 0x6666, 0x00F0, 0x0F00, 0x2222,
53 0x4444, 0xF600, 0x8CC8, 0x006F, 0x1331, 0x318C, 0xC813, 0x33CC,
54 0x6600, 0x0CC0, 0x0066, 0x0330, 0xF900, 0xC88C, 0x009F, 0x3113,
55 0x6000, 0x0880, 0x0006, 0x0110, 0xCC88, 0xFC00, 0x00CF, 0x88CC,
56 0x003F, 0x1133, 0x3311, 0xF300, 0x6FF6, 0x0603, 0x08C6, 0x8C63,
57 0xC631, 0x6310, 0xC060, 0x0136, 0x136C, 0x36C8, 0x6C80, 0x324C
64 start = bytestream2_get_byte(&
c->stream);
65 size = (bytestream2_get_byte(&
c->stream) - 1) & 0xFF;
66 if (start +
size > 255) {
70 if (
size*3+2 > data_size) {
74 for (
i = start;
i <= start +
size;
i++)
75 c->pal[
i] = 0xFFU << 24 | bytestream2_get_be24(&
c->stream);
78 static inline int check_pixel(uint8_t *buf, uint8_t *start, uint8_t *end)
80 return buf >= start && buf < end;
83 static inline int check_line(uint8_t *buf, uint8_t *start, uint8_t *end)
85 return buf >= start && (buf + 4) <= end;
92 int blk, blocks, t, blk2;
96 const int width =
c->avctx->width;
97 uint8_t *pstart =
c->prev_frame;
98 uint8_t *pend =
c->prev_frame +
width*
c->avctx->height;
105 blocks = (
c->avctx->width >> 2) * (
c->avctx->height >> 2);
113 blocktypes = bytestream2_get_byte(&
g);
115 switch (blocktypes & 0xC0) {
117 for (y = 0; y < 4; y++)
121 memset(cur + y*
width, 0, 4);
124 t = bytestream2_get_byte(&
g);
130 for (y = 0; y < 4; y++)
133 x = ((t & 0xF)^8) - 8;
134 y = ((t >> 4) ^8) - 8;
136 for (y = 0; y < 4; y++)
140 memset(cur + y*
width, 0, 4);
144 t = bytestream2_get_byte(&
g);
145 for (y = 0; y < 4; y++)
146 memset(cur + y*
width, t, 4);
149 t = bytestream2_get_byte(&
g);
154 a = bytestream2_get_byte(&
g);
155 b = bytestream2_get_byte(&
g);
156 for (y = 0; y < 4; y++)
157 for (x = 0; x < 4; x++, pattern >>= 1)
158 cur[x + y*
width] = (pattern & 1) ?
b :
a;
163 a = bytestream2_get_byte(&
g);
164 for (y = 0; y < 4; y++)
165 for (x = 0; x < 4; x++, pattern >>= 1)
181 if (blk2 == (
width >> 2)) {
194 uint8_t *outptr, *srcptr;
208 flags = bytestream2_get_le16(&
c->stream);
211 i = (int16_t)bytestream2_get_le16(&
c->stream);
212 j = (int16_t)bytestream2_get_le16(&
c->stream);
220 size = bytestream2_get_le32(&
c->stream);
229 size = bytestream2_get_le32(&
c->stream);
235 outptr =
frame->data[0];
239 memcpy(outptr, srcptr, avctx->
width);
240 srcptr += avctx->
width;
241 outptr +=
frame->linesize[0];
244 FFSWAP(uint8_t*,
c->frame,
c->prev_frame);
262 if (!
c->frame || !
c->prev_frame)