33 #define TM2_ESCAPE 0x80000000
130 huff->
bits[huff->
num] = prefix;
135 if ((ret =
tm2_read_tree(ctx, prefix << 1, length + 1, huff)) < 0)
137 if ((ret =
tm2_read_tree(ctx, (prefix << 1) | 1, length + 1, huff)) < 0)
161 if ((huff.
nodes <= 0) || (huff.
nodes > 0x10000)) {
163 "nodes: %i\n", huff.
nodes);
189 huff.
lens,
sizeof(
int),
sizeof(
int),
190 huff.
bits,
sizeof(uint32_t),
sizeof(uint32_t), 0);
197 for (i = 0; i < code->
length; i++)
225 #define TM2_OLD_HEADER_MAGIC 0x00000100
226 #define TM2_NEW_HEADER_MAGIC 0x00000101
252 if ((d < 1) || (d >
TM2_DELTAS) || (mb < 1) || (mb > 32)) {
257 for (i = 0; i < d; i++) {
259 if (v & (1 << (mb - 1)))
260 ctx->
deltas[stream_id][i] = v - (1 <<
mb);
265 ctx->
deltas[stream_id][i] = 0;
285 len = bytestream2_get_be32(&gb);
291 if (len >= INT_MAX/4-1 || len < 0 || skip > buf_size) {
296 toks = bytestream2_get_be32(&gb);
298 len = bytestream2_get_be32(&gb);
300 len = bytestream2_get_be32(&gb);
313 len = bytestream2_get_be32(&gb);
330 if ((toks < 0) || (toks > 0xFFFFFF)) {
337 len = bytestream2_get_be32(&gb);
343 for (i = 0; i < toks; i++) {
349 if (stream_id <= TM2_MOT && ctx->tokens[stream_id][i] >=
TM2_DELTAS || ctx->
tokens[stream_id][i]<0) {
351 ctx->
tokens[stream_id][i], stream_id, i);
356 for (i = 0; i < toks; i++) {
358 if (stream_id <= TM2_MOT && ctx->tokens[stream_id][i] >=
TM2_DELTAS) {
360 ctx->
tokens[stream_id][i], stream_id, i);
389 #define TM2_INIT_POINTERS() \
392 int Ystride, Ustride, Vstride;\
394 Ystride = ctx->y_stride;\
395 Vstride = ctx->uv_stride;\
396 Ustride = ctx->uv_stride;\
397 Y = (ctx->cur?ctx->Y2:ctx->Y1) + by * 4 * Ystride + bx * 4;\
398 V = (ctx->cur?ctx->V2:ctx->V1) + by * 2 * Vstride + bx * 2;\
399 U = (ctx->cur?ctx->U2:ctx->U1) + by * 2 * Ustride + bx * 2;\
400 last = ctx->last + bx * 4;\
401 clast = ctx->clast + bx * 4;
403 #define TM2_INIT_POINTERS_2() \
405 int oYstride, oUstride, oVstride;\
407 TM2_INIT_POINTERS();\
411 Yo = (ctx->cur?ctx->Y1:ctx->Y2) + by * 4 * oYstride + bx * 4;\
412 Vo = (ctx->cur?ctx->V1:ctx->V2) + by * 2 * oVstride + bx * 2;\
413 Uo = (ctx->cur?ctx->U1:ctx->U2) + by * 2 * oUstride + bx * 2;
416 #define TM2_RECALC_BLOCK(CHR, stride, last, CD) {\
417 CD[0] = CHR[1] - last[1];\
418 CD[1] = (int)CHR[stride + 1] - (int)CHR[1];\
419 last[0] = (int)CHR[stride + 0];\
420 last[1] = (int)CHR[stride + 1];}
428 for (j = 0; j < 4; j++){
430 for (i = 0; i < 4; i++){
431 d = deltas[i + j * 4];
434 Y[i] = av_clip_uint8(last[i]);
444 for (j = 0; j < 2; j++) {
445 for (i = 0; i < 2; i++) {
446 CD[j] += deltas[i + j * 2];
464 t = (CD[0] + CD[1]) >> 1;
465 l = (prev - CD[0] - CD[1] + clast[1]) >> 1;
466 CD[1] = CD[0] + CD[1] -
t;
480 for (i = 0; i < 4; i++) {
488 for (i = 0; i < 16; i++)
502 deltas[1] = deltas[2] = deltas[3] = 0;
506 deltas[1] = deltas[2] = deltas[3] = 0;
510 for (i = 0; i < 16; i++)
525 deltas[1] = deltas[2] = deltas[3] = 0;
529 deltas[1] = deltas[2] = deltas[3] = 0;
533 for (i = 0; i < 16; i++)
542 last[0] = (last[-1] - ctx->
D[0] - ctx->
D[1] - ctx->
D[2] - ctx->
D[3] + last[1]) >> 1;
544 last[0] = (last[1] - ctx->
D[0] - ctx->
D[1] - ctx->
D[2] - ctx->
D[3])>> 1;
545 last[2] = (last[1] + last[3]) >> 1;
547 t1 = ctx->
D[0] + ctx->
D[1];
549 ctx->
D[1] = t1 - (t1 >> 1);
550 t2 = ctx->
D[2] + ctx->
D[3];
552 ctx->
D[3] = t2 - (t2 >> 1);
561 int left, right,
diff;
566 deltas[0] = deltas[1] = deltas[2] = deltas[3] = 0;
569 deltas[0] = deltas[1] = deltas[2] = deltas[3] = 0;
573 for (i = 0; i < 16; i++)
576 ct = ctx->
D[0] + ctx->
D[1] + ctx->
D[2] + ctx->
D[3];
579 left = last[-1] - ct;
585 last[0] = left + (diff >> 2);
586 last[1] = left + (diff >> 1);
587 last[2] = right - (diff >> 2);
592 ctx->
D[0] = (tp + (ct >> 2)) - left;
594 ctx->
D[1] = (tp + (ct >> 1)) - left;
596 ctx->
D[2] = ((tp + ct) - (ct >> 2)) - left;
598 ctx->
D[3] = (tp + ct) - left;
609 for (j = 0; j < 2; j++) {
610 for (i = 0; i < 2; i++){
614 U += Ustride;
V += Vstride;
615 Uo += oUstride; Vo += oVstride;
623 ctx->
D[0] = Yo[3] - last[3];
624 ctx->
D[1] = Yo[3 + oYstride] - Yo[3];
625 ctx->
D[2] = Yo[3 + oYstride * 2] - Yo[3 + oYstride];
626 ctx->
D[3] = Yo[3 + oYstride * 3] - Yo[3 + oYstride * 2];
628 for (j = 0; j < 4; j++) {
629 for (i = 0; i < 4; i++) {
645 for (j = 0; j < 2; j++) {
646 for (i = 0; i < 2; i++) {
661 ctx->
D[0] = Yo[3] - last[3];
662 ctx->
D[1] = Yo[3 + oYstride] - Yo[3];
663 ctx->
D[2] = Yo[3 + oYstride * 2] - Yo[3 + oYstride];
664 ctx->
D[3] = Yo[3 + oYstride * 3] - Yo[3 + oYstride * 2];
666 for (j = 0; j < 4; j++) {
668 for (i = 0; i < 4; i++) {
672 ctx->
D[j] = last[3] - d;
686 mx = av_clip(mx, -(bx * 4 + 4), ctx->
avctx->
width - bx * 4);
687 my = av_clip(my, -(by * 4 + 4), ctx->
avctx->
height - by * 4);
694 Yo += my * oYstride + mx;
695 Uo += (my >> 1) * oUstride + (mx >> 1);
696 Vo += (my >> 1) * oVstride + (mx >> 1);
699 for (j = 0; j < 2; j++) {
700 for (i = 0; i < 2; i++) {
715 for (j = 0; j < 4; j++) {
716 for (i = 0; i < 4; i++) {
724 ctx->
D[0] =
Y[3] - last[3];
725 ctx->
D[1] =
Y[3 + Ystride] -
Y[3];
726 ctx->
D[2] = Y[3 + Ystride * 2] - Y[3 + Ystride];
727 ctx->
D[3] = Y[3 + Ystride * 3] - Y[3 + Ystride * 2];
728 for (i = 0; i < 4; i++)
729 last[i] = Y[i + Ystride * 3];
749 memset(ctx->
last, 0, 4 * bw *
sizeof(
int));
750 memset(ctx->
clast, 0, 4 * bw *
sizeof(
int));
752 for (j = 0; j < bh; j++) {
753 memset(ctx->
D, 0, 4 *
sizeof(
int));
754 memset(ctx->
CD, 0, 4 *
sizeof(
int));
755 for (i = 0; i < bw; i++) {
789 Y = (ctx->
cur?ctx->
Y2:ctx->
Y1);
790 U = (ctx->
cur?ctx->
U2:ctx->
U1);
791 V = (ctx->
cur?ctx->
V2:ctx->
V1);
793 for (j = 0; j < h; j++) {
794 for (i = 0; i < w; i++) {
795 int y = Y[i],
u = U[i >> 1],
v = V[i >> 1];
796 dst[3*i+0] = av_clip_uint8(y + v);
797 dst[3*i+1] = av_clip_uint8(y);
798 dst[3*i+2] = av_clip_uint8(y + u);
802 Y[-4] = Y[-3] = Y[-2] = Y[-1] = Y[0];
803 Y[w + 3] = Y[w + 2] = Y[w + 1] = Y[w] = Y[w - 1];
811 }
else if (j == h - 1) {
821 U[-2] = U[-1] = U[0];
822 V[-2] = V[-1] = V[0];
823 U[cw + 1] = U[cw] = U[cw - 1];
824 V[cw + 1] = V[cw] = V[cw - 1];
832 }
else if (j == h - 1) {
852 #define TM2_HEADER_SIZE 40
855 void *
data,
int *got_frame,
860 int buf_size = avpkt->
size & ~3;
881 if (offset >= buf_size) {
905 return (ret < 0) ? ret : buf_size;
995 .
name =
"truemotion2",