71 0x00, 0xD5, 0x7F, 0xAA, 0xFE, 0x2B, 0x81, 0x54,
72 0x29, 0xFC, 0x56, 0x83, 0xD7, 0x02, 0xA8, 0x7D,
73 0x52, 0x87, 0x2D, 0xF8, 0xAC, 0x79, 0xD3, 0x06,
74 0x7B, 0xAE, 0x04, 0xD1, 0x85, 0x50, 0xFA, 0x2F,
75 0xA4, 0x71, 0xDB, 0x0E, 0x5A, 0x8F, 0x25, 0xF0,
76 0x8D, 0x58, 0xF2, 0x27, 0x73, 0xA6, 0x0C, 0xD9,
77 0xF6, 0x23, 0x89, 0x5C, 0x08, 0xDD, 0x77, 0xA2,
78 0xDF, 0x0A, 0xA0, 0x75, 0x21, 0xF4, 0x5E, 0x8B,
79 0x9D, 0x48, 0xE2, 0x37, 0x63, 0xB6, 0x1C, 0xC9,
80 0xB4, 0x61, 0xCB, 0x1E, 0x4A, 0x9F, 0x35, 0xE0,
81 0xCF, 0x1A, 0xB0, 0x65, 0x31, 0xE4, 0x4E, 0x9B,
82 0xE6, 0x33, 0x99, 0x4C, 0x18, 0xCD, 0x67, 0xB2,
83 0x39, 0xEC, 0x46, 0x93, 0xC7, 0x12, 0xB8, 0x6D,
84 0x10, 0xC5, 0x6F, 0xBA, 0xEE, 0x3B, 0x91, 0x44,
85 0x6B, 0xBE, 0x14, 0xC1, 0x95, 0x40, 0xEA, 0x3F,
86 0x42, 0x97, 0x3D, 0xE8, 0xBC, 0x69, 0xC3, 0x16,
87 0xEF, 0x3A, 0x90, 0x45, 0x11, 0xC4, 0x6E, 0xBB,
88 0xC6, 0x13, 0xB9, 0x6C, 0x38, 0xED, 0x47, 0x92,
89 0xBD, 0x68, 0xC2, 0x17, 0x43, 0x96, 0x3C, 0xE9,
90 0x94, 0x41, 0xEB, 0x3E, 0x6A, 0xBF, 0x15, 0xC0,
91 0x4B, 0x9E, 0x34, 0xE1, 0xB5, 0x60, 0xCA, 0x1F,
92 0x62, 0xB7, 0x1D, 0xC8, 0x9C, 0x49, 0xE3, 0x36,
93 0x19, 0xCC, 0x66, 0xB3, 0xE7, 0x32, 0x98, 0x4D,
94 0x30, 0xE5, 0x4F, 0x9A, 0xCE, 0x1B, 0xB1, 0x64,
95 0x72, 0xA7, 0x0D, 0xD8, 0x8C, 0x59, 0xF3, 0x26,
96 0x5B, 0x8E, 0x24, 0xF1, 0xA5, 0x70, 0xDA, 0x0F,
97 0x20, 0xF5, 0x5F, 0x8A, 0xDE, 0x0B, 0xA1, 0x74,
98 0x09, 0xDC, 0x76, 0xA3, 0xF7, 0x22, 0x88, 0x5D,
99 0xD6, 0x03, 0xA9, 0x7C, 0x28, 0xFD, 0x57, 0x82,
100 0xFF, 0x2A, 0x80, 0x55, 0x01, 0xD4, 0x7E, 0xAB,
101 0x84, 0x51, 0xFB, 0x2E, 0x7A, 0xAF, 0x05, 0xD0,
102 0xAD, 0x78, 0xD2, 0x07, 0x53, 0x86, 0x2C, 0xF9
105 #define SVQ1_PROCESS_VECTOR() \
106 for (; level > 0; i++) { \
114 if (!get_bits1(bitbuf)) \
117 list[n++] = list[i]; \
118 list[n++] = list[i] + (((level & 1) ? pitch : 1) << ((level >> 1) + 1));\
121 #define SVQ1_ADD_CODEBOOK() \
123 for (j = 0; j < stages; j++) { \
124 n3 = codebook[entries[j]] ^ 0x80808080; \
125 n1 += (n3 & 0xFF00FF00) >> 8; \
126 n2 += n3 & 0x00FF00FF; \
130 if (n1 & 0xFF00FF00) { \
131 n3 = (n1 >> 15 & 0x00010001 | 0x01000100) - 0x00010001; \
133 n1 |= (~n1 >> 15 & 0x00010001 | 0x01000100) - 0x00010001; \
134 n1 &= n3 & 0x00FF00FF; \
137 if (n2 & 0xFF00FF00) { \
138 n3 = (n2 >> 15 & 0x00010001 | 0x01000100) - 0x00010001; \
140 n2 |= (~n2 >> 15 & 0x00010001 | 0x01000100) - 0x00010001; \
141 n2 &= n3 & 0x00FF00FF; \
144 #define SVQ1_CALC_CODEBOOK_ENTRIES(cbook) \
145 codebook = (const uint32_t *)cbook[level]; \
147 bit_cache = get_bits(bitbuf, 4 * stages); \
149 for (j = 0; j < stages; j++) { \
150 entries[j] = (((bit_cache >> (4 * (stages - j - 1))) & 0xF) + \
151 16 * j) << (level + 1); \
153 mean -= stages * 128; \
154 n4 = (mean << 16) + mean;
162 const uint32_t *codebook;
168 uint32_t n1, n2, n3, n4;
174 for (
i = 0, m = 1,
n = 1,
level = 5;
i <
n;
i++) {
178 dst = (uint32_t *)
list[
i];
186 for (y = 0; y <
height; y++)
187 memset(&dst[y * (pitch / 4)], 0,
width);
191 if ((stages > 0 &&
level >= 4)) {
193 "Error (svq1_decode_block_intra): invalid vector: stages=%i level=%i\n",
202 for (y = 0; y <
height; y++)
203 memset(&dst[y * (pitch / 4)], mean,
width);
207 for (y = 0; y <
height; y++) {
208 for (x = 0; x <
width / 4; x++, codebook++) {
213 dst[x] = n1 << 8 | n2;
229 const uint32_t *codebook;
235 uint32_t n1, n2, n3, n4;
241 for (
i = 0, m = 1,
n = 1,
level = 5;
i <
n;
i++) {
245 dst = (uint32_t *)
list[
i];
255 if ((stages > 0 &&
level >= 4)) {
257 "Error (svq1_decode_block_non_intra): invalid vector: stages=%i level=%i\n",
267 for (y = 0; y <
height; y++) {
268 for (x = 0; x <
width / 4; x++, codebook++) {
271 n1 = n4 + ((n3 & 0xFF00FF00) >> 8);
272 n2 = n4 + (n3 & 0x00FF00FF);
275 dst[x] = n1 << 8 | n2;
289 for (
i = 0;
i < 2;
i++) {
310 ptrdiff_t pitch,
int x,
int y)
316 src = &previous[x + y * pitch];
319 for (
i = 0;
i < 16;
i++) {
320 memcpy(dst,
src, 16);
328 ptrdiff_t pitch, svq1_pmv *motion,
int x,
int y,
343 pmv[1] = &motion[x / 8 + 2];
344 pmv[2] = &motion[x / 8 + 4];
352 motion[x / 8 + 2].x =
353 motion[x / 8 + 3].x =
mv.x;
355 motion[x / 8 + 2].y =
356 motion[x / 8 + 3].y =
mv.y;
358 mv.x = av_clip(
mv.x, -2 * x, 2 * (
width - x - 16));
359 mv.y = av_clip(
mv.y, -2 * y, 2 * (
height - y - 16));
361 src = &previous[(x + (
mv.x >> 1)) + (y + (
mv.y >> 1)) * pitch];
371 ptrdiff_t pitch, svq1_pmv *motion,
int x,
int y,
386 pmv[1] = &motion[(x / 8) + 2];
387 pmv[2] = &motion[(x / 8) + 4];
400 pmv[1] = &motion[(x / 8) + 3];
408 pmv[2] = &motion[(x / 8) + 1];
415 pmv[2] = &motion[(x / 8) + 2];
416 pmv[3] = &motion[(x / 8) + 3];
423 for (
i = 0;
i < 4;
i++) {
424 int mvx = pmv[
i]->x + (
i & 1) * 16;
425 int mvy = pmv[
i]->y + (
i >> 1) * 16;
428 mvx = av_clip(mvx, -2 * x, 2 * (
width - x - 8));
429 mvy = av_clip(mvy, -2 * y, 2 * (
height - y - 8));
431 src = &previous[(x + (mvx >> 1)) + (y + (mvy >> 1)) * pitch];
438 current += 8 * (pitch - 1);
449 ptrdiff_t pitch, svq1_pmv *motion,
int x,
int y,
462 motion[x / 8 + 2].x =
463 motion[x / 8 + 2].y =
464 motion[x / 8 + 3].x =
465 motion[x / 8 + 3].y = 0;
468 switch (block_type) {
478 ff_dlog(avctx,
"Error in svq1_motion_inter_block %i\n",
result);
489 ff_dlog(avctx,
"Error in svq1_motion_inter_4v_block %i\n",
result);
511 for (
i = 1;
i <=
out[0];
i++) {
546 if (
s->frame_code == 0x50 ||
s->frame_code == 0x60) {
553 ff_dlog(avctx,
"%s checksum (%02x) for packet data\n",
554 (csum == 0) ?
"correct" :
"incorrect", csum);
557 if ((
s->frame_code ^ 0x10) >= 0x50) {
563 "embedded message:\n%s\n", ((
char *)msg) + 1);
571 frame_size_code =
get_bits(bitbuf, 3);
573 if (frame_size_code == 7) {
617 int buf_size = avpkt->
size;
633 if ((
s->frame_code & ~0x70) || !(
s->frame_code & 0x60))
637 if (
s->frame_code != 0x20) {
640 if (buf_size < 9 * 4) {
646 &
s->pkt_swapped_allocated,
651 memcpy(
s->pkt_swapped,
buf, buf_size);
652 buf =
s->pkt_swapped;
656 src = (uint32_t *)(
s->pkt_swapped + 4);
658 for (
i = 0;
i < 4;
i++)
664 ff_dlog(avctx,
"Error in svq1_decode_frame_header %i\n",
result);
687 for (
i = 0;
i < 3;
i++) {
699 current = cur->
data[
i];
703 for (y = 0; y <
height; y += 16) {
704 for (x = 0; x <
width; x += 16) {
709 "Error in svq1_decode_block %i (keyframe)\n",
714 current += 16 * linesize;
720 s->prev->width !=
s->width ||
s->prev->height !=
s->height) {
726 memset(pmv, 0, ((
width / 8) + 3) *
sizeof(svq1_pmv));
728 for (y = 0; y <
height; y += 16) {
729 for (x = 0; x <
width; x += 16) {
736 "Error in svq1_decode_delta_block %i\n",
745 current += 16 * linesize;
775 s->width = avctx->
width + 3 & ~3;
776 s->height = avctx->
height + 3 & ~3;
789 for (
i = 0;
i < 6;
i++) {
790 static const uint8_t sizes[2][6] = { { 14, 10, 14, 18, 16, 18 },
791 { 10, 10, 14, 14, 14, 16 } };
826 s->pkt_swapped_allocated = 0;