65 const uint8_t *frame_start = frame;
67 int mask = 0x10000, bitbuf = 0;
68 int v, count, segments;
71 segments = bytestream2_get_le32(gb);
72 offset = bytestream2_get_le32(gb);
73 if (frame_end - frame <= offset)
79 if (mask == 0x10000) {
80 bitbuf = bytestream2_get_le16u(gb);
83 if (frame_end - frame < 2)
86 v = bytestream2_get_le16(gb);
87 offset = (v & 0x1FFF) << 1;
88 count = ((v >> 13) + 2) << 1;
89 if (frame - frame_start < offset || frame_end - frame < count)
94 *frame++ = bytestream2_get_byte(gb);
95 *frame++ = bytestream2_get_byte(gb);
105 const uint8_t *frame_start = frame;
107 int mask = 0x10000, bitbuf = 0;
108 int v, offset, count, segments;
110 segments = bytestream2_get_le16(gb);
114 if (mask == 0x10000) {
115 bitbuf = bytestream2_get_le16u(gb);
118 if (frame_end - frame < 2)
121 v = bytestream2_get_le16(gb);
122 offset = (v & 0x1FFF) << 1;
123 count = ((v >> 13) + 2) << 1;
124 if (frame - frame_start < offset || frame_end - frame < count)
128 }
else if (bitbuf & (mask << 1)) {
129 frame += bytestream2_get_le16(gb);
131 *frame++ = bytestream2_get_byte(gb);
132 *frame++ = bytestream2_get_byte(gb);
142 const uint8_t *frame_start = frame;
144 int mask = 0x10000, bitbuf = 0;
145 int i, v, offset, count, segments;
147 segments = bytestream2_get_le16(gb);
151 if (mask == 0x10000) {
152 bitbuf = bytestream2_get_le16u(gb);
157 v = bytestream2_get_le16(gb);
158 offset = (v & 0x1FFF) << 2;
159 count = ((v >> 13) + 2) << 1;
160 if (frame - frame_start < offset || frame_end - frame < count*2 + width)
162 for (i = 0; i < count; i++) {
163 frame[0] = frame[1] =
164 frame[
width] = frame[width + 1] = frame[-offset];
168 }
else if (bitbuf & (mask << 1)) {
169 v = bytestream2_get_le16(gb)*2;
170 if (frame - frame_end < v)
174 if (frame_end - frame < width + 3)
176 frame[0] = frame[1] =
177 frame[
width] = frame[width + 1] = bytestream2_get_byte(gb);
179 frame[0] = frame[1] =
180 frame[
width] = frame[width + 1] = bytestream2_get_byte(gb);
192 int count, lines, segments;
194 count = bytestream2_get_le16(gb);
197 frame += width * count;
198 lines = bytestream2_get_le16(gb);
199 if (count + lines > height)
207 segments = bytestream2_get_byteu(gb);
209 if (frame - line_ptr <= bytestream2_peek_byte(gb))
211 line_ptr += bytestream2_get_byte(gb);
212 count = (int8_t)bytestream2_get_byte(gb);
214 if (frame - line_ptr < count)
220 if (frame - line_ptr < count)
222 memset(line_ptr, bytestream2_get_byte(gb), count);
235 int count, i, v, lines, segments;
238 lines = bytestream2_get_le16(gb);
245 segments = bytestream2_get_le16u(gb);
246 while ((segments & 0xC000) == 0xC000) {
247 unsigned skip_lines = -(int16_t)segments;
248 unsigned delta = -((int16_t)segments * width);
249 if (frame_end - frame <= delta || y + lines + skip_lines > height)
253 segments = bytestream2_get_le16(gb);
255 if (segments & 0x8000) {
256 frame[width - 1] = segments & 0xFF;
257 segments = bytestream2_get_le16(gb);
260 if (frame_end - frame < width)
265 if (frame - line_ptr <= bytestream2_peek_byte(gb))
267 line_ptr += bytestream2_get_byte(gb);
268 count = (int8_t)bytestream2_get_byte(gb);
270 if (frame - line_ptr < count * 2)
274 line_ptr += count * 2;
277 if (frame - line_ptr < count * 2)
279 v = bytestream2_get_le16(gb);
280 for (i = 0; i < count; i++)
281 bytestream_put_le16(&line_ptr, v);
296 memset(frame, 0, width * height);
309 "COPY",
"TSW1",
"BDLT",
"WDLT",
"????",
"DSW1",
"BLCK",
"DDS1"
313 void *
data,
int *got_frame,
319 uint32_t chunk_type, chunk_size;
335 chunk_size = bytestream2_get_le32(&gb);
336 chunk_type = bytestream2_get_le32(&gb);
339 if (chunk_type == 1) {
340 pal_elems =
FFMIN(chunk_size / 3, 256);
341 for (i = 0; i < pal_elems; i++) {
342 s->
pal[i] = bytestream2_get_be24(&gb) << 2;
343 s->
pal[i] |= (s->
pal[i] >> 6) & 0x333;
346 }
else if (chunk_type <= 9) {
361 for (i = 0; i < avctx->
height; i++) {
362 memcpy(dst, buf, avctx->
width);