32 #define CCITT_SYMS 104
35 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
36 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
37 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
38 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
39 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64,
40 128, 192, 256, 320, 384, 448, 512, 576, 640, 704, 768, 832, 896,
41 960, 1024, 1088, 1152, 1216, 1280, 1344, 1408, 1472, 1536, 1600, 1664, 1728,
42 1792, 1856, 1920, 1984, 2048, 2112, 2176, 2240, 2304, 2368, 2432, 2496, 2560
48 0x35, 0x07, 0x07, 0x08, 0x0B, 0x0C, 0x0E, 0x0F, 0x13, 0x14, 0x07, 0x08, 0x08,
49 0x03, 0x34, 0x35, 0x2A, 0x2B, 0x27, 0x0C, 0x08, 0x17, 0x03, 0x04, 0x28, 0x2B,
50 0x13, 0x24, 0x18, 0x02, 0x03, 0x1A, 0x1B, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
51 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x04, 0x05, 0x0A, 0x0B, 0x52, 0x53, 0x54,
52 0x55, 0x24, 0x25, 0x58, 0x59, 0x5A, 0x5B, 0x4A, 0x4B, 0x32, 0x33, 0x34, 0x1B,
53 0x12, 0x17, 0x37, 0x36, 0x37, 0x64, 0x65, 0x68, 0x67, 0xCC, 0xCD, 0xD2, 0xD3,
54 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0x98, 0x99, 0x9A, 0x18, 0x9B,
55 0x08, 0x0C, 0x0D, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x1C, 0x1D, 0x1E, 0x1F
58 0x37, 0x02, 0x03, 0x02, 0x03, 0x03, 0x02, 0x03, 0x05, 0x04, 0x04, 0x05, 0x07,
59 0x04, 0x07, 0x18, 0x17, 0x18, 0x08, 0x67, 0x68, 0x6C, 0x37, 0x28, 0x17, 0x18,
60 0xCA, 0xCB, 0xCC, 0xCD, 0x68, 0x69, 0x6A, 0x6B, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
61 0xD7, 0x6C, 0x6D, 0xDA, 0xDB, 0x54, 0x55, 0x56, 0x57, 0x64, 0x65, 0x52, 0x53,
62 0x24, 0x37, 0x38, 0x27, 0x28, 0x58, 0x59, 0x2B, 0x2C, 0x5A, 0x66, 0x67, 0x0F,
63 0xC8, 0xC9, 0x5B, 0x33, 0x34, 0x35, 0x6C, 0x6D, 0x4A, 0x4B, 0x4C, 0x4D, 0x72,
64 0x73, 0x74, 0x75, 0x76, 0x77, 0x52, 0x53, 0x54, 0x55, 0x5A, 0x5B, 0x64, 0x65,
65 0x08, 0x0C, 0x0D, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x1C, 0x1D, 0x1E, 0x1F
72 8, 6, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7,
73 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
74 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
75 8, 8, 8, 8, 5, 5, 6, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9,
76 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 9, 11, 11, 11, 12, 12, 12, 12, 12, 12,
80 10, 3, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 7, 8, 8, 9, 10, 10, 10, 11,
81 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
82 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
83 12, 12, 12, 12, 10, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13,
84 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 12, 12, 12, 12, 12, 12,
90 1, 1, 2, 2, 2, 1, 3, 3, 3, 1, 1
94 4, 3, 7, 6, 3, 1, 3, 6, 7, 7, 9
101 static VLC_TYPE code_table1[528][2];
102 static VLC_TYPE code_table2[648][2];
104 static int initialized = 0;
108 ccitt_vlc[0].
table = code_table1;
110 ccitt_vlc[1].
table = code_table2;
112 for (i = 0; i < 2; i++) {
127 unsigned int pix_left,
int *runs,
131 unsigned int run = 0;
134 t =
get_vlc2(gb, ccitt_vlc[mode].table, 9, 2);
138 if (runs >= runend) {
142 if (pix_left <= run) {
151 }
else if ((
int)t == -1) {
161 unsigned int width,
int *runs,
162 const int *runend,
const int *ref)
164 int mode = 0, saved_run = 0,
t;
165 int run_off = *ref++;
166 unsigned int offs = 0,
run = 0;
170 while (offs < width) {
178 run = run_off - offs;
186 }
else if (cmode == 1) {
188 for (k = 0; k < 2; k++) {
191 t =
get_vlc2(gb, ccitt_vlc[mode].table, 9, 2);
200 *runs++ =
run + saved_run;
201 if (runs >= runend) {
207 if (offs > width ||
run > width) {
213 }
else if (cmode == 9 || cmode == 10) {
217 run = run_off - offs + (cmode - 5);
220 if (offs > width ||
run > width) {
224 *runs++ =
run + saved_run;
225 if (runs >= runend) {
233 while (run_off <= offs) {
246 int run, mode = ~0, pix_left =
width, run_idx = 0;
249 while (pix_left > 0) {
250 run = runs[run_idx++];
253 for (; run > 16; run -= 16)
263 unsigned int state = -1;
265 while (srcsize-- > 0) {
267 if ((state & 0xFFF) == 1)
279 int *runs, *ref =
NULL, *runend;
281 int runsize = avctx->
width + 2;
283 runs =
av_malloc(runsize *
sizeof(runs[0]));
284 ref =
av_malloc(runsize *
sizeof(ref[0]));
289 ref[0] = avctx->
width;
293 for (j = 0; j <
height; j++) {
294 runend = runs + runsize;
301 int g3d1 = (compr ==
TIFF_G3) && !(opts & 1);