81 #define FLAG_SPRITE 32
82 #define FLAG_KEYFRAME 16
83 #define FLAG_INTERFRAME 8
84 #define FLAG_INTERPOLATED 4
105 #define ALGO_RGB16V 1
106 #define ALGO_RGB16H 2
107 #define ALGO_RGB24H 3
151 if (delta_table_index > 3)
154 memcpy(s->
ydt,
ydts[delta_table_index], 8 *
sizeof(int16_t));
155 memcpy(s->
cdt,
cdts[delta_table_index], 8 *
sizeof(int16_t));
161 for (i = 0; i < 8; i++)
179 lo += (lo << 5) + (lo << 10);
181 hi += (hi << 5) + (hi << 10);
182 return (lo + (hi << 16)) << 1;
192 return (lo + (lo << 16)) << 1;
204 lo += (lo << 6) + (lo << 11);
206 hi += (hi << 6) + (hi << 11);
207 return (lo + (hi << 16)) << 1;
217 return (lo + (lo << 16)) << 1;
226 return (lo + (hi << 8) + (hi << 16)) << 1;
241 unsigned char delta_pair;
243 for (i = 0; i < 1024; i += 4)
245 len = *sel_vector_table++ / 2;
246 for (j = 0; j <
len; j++)
248 delta_pair = *sel_vector_table++;
262 unsigned char delta_pair;
264 for (i = 0; i < 1024; i += 4)
266 len = *sel_vector_table++ / 2;
267 for (j = 0; j <
len; j++)
269 delta_pair = *sel_vector_table++;
283 unsigned char delta_pair;
285 for (i = 0; i < 1024; i += 4)
287 len = *sel_vector_table++ / 2;
288 for (j = 0; j <
len; j++)
290 delta_pair = *sel_vector_table++;
315 uint8_t header_buffer[128] = { 0 };
316 const uint8_t *sel_vector_table;
319 if (s->
buf[0] < 0x10)
332 header_buffer[i - 1] = s->
buf[i] ^ s->
buf[i + 1];
340 header.
version = header_buffer[9];
342 header.
flags = header_buffer[11];
343 header.
control = header_buffer[12];
369 if ((s->
w < 213) && (s->
h >= 176))
403 s->
w >>= width_shift;
511 #define GET_NEXT_INDEX() \
513 if (index_stream_index >= s->index_stream_size) { \
514 av_log(s->avctx, AV_LOG_INFO, " help! truemotion1 decoder went out of bounds\n"); \
517 index = s->index_stream[index_stream_index++] * 4; \
522 if (index >= 1023) { \
523 av_log(s->avctx, AV_LOG_ERROR, "Invalid index value.\n"); \
529 #define APPLY_C_PREDICTOR() \
530 predictor_pair = s->c_predictor_table[index]; \
531 horiz_pred += (predictor_pair >> 1); \
532 if (predictor_pair & 1) { \
536 predictor_pair = s->c_predictor_table[index]; \
537 horiz_pred += ((predictor_pair >> 1) * 5); \
538 if (predictor_pair & 1) \
546 #define APPLY_C_PREDICTOR_24() \
547 predictor_pair = s->c_predictor_table[index]; \
548 horiz_pred += (predictor_pair >> 1); \
549 if (predictor_pair & 1) { \
553 predictor_pair = s->fat_c_predictor_table[index]; \
554 horiz_pred += (predictor_pair >> 1); \
555 if (predictor_pair & 1) \
564 #define APPLY_Y_PREDICTOR() \
565 predictor_pair = s->y_predictor_table[index]; \
566 horiz_pred += (predictor_pair >> 1); \
567 if (predictor_pair & 1) { \
571 predictor_pair = s->y_predictor_table[index]; \
572 horiz_pred += ((predictor_pair >> 1) * 5); \
573 if (predictor_pair & 1) \
581 #define APPLY_Y_PREDICTOR_24() \
582 predictor_pair = s->y_predictor_table[index]; \
583 horiz_pred += (predictor_pair >> 1); \
584 if (predictor_pair & 1) { \
588 predictor_pair = s->fat_y_predictor_table[index]; \
589 horiz_pred += (predictor_pair >> 1); \
590 if (predictor_pair & 1) \
598 #define OUTPUT_PIXEL_PAIR() \
599 *current_pixel_pair = *vert_pred + horiz_pred; \
600 *vert_pred++ = *current_pixel_pair++;
606 unsigned int predictor_pair;
607 unsigned int horiz_pred;
608 unsigned int *vert_pred;
609 unsigned int *current_pixel_pair;
610 unsigned char *current_line = s->
frame.
data[0];
615 unsigned char mb_change_byte;
616 unsigned char mb_change_byte_mask;
620 int index_stream_index = 0;
632 current_pixel_pair = (
unsigned int *)current_line;
635 mb_change_byte = mb_change_bits[mb_change_index++];
636 mb_change_byte_mask = 0x01;
639 while (pixels_left > 0) {
641 if (keyframe || ((mb_change_byte & mb_change_byte_mask) == 0)) {
701 *vert_pred++ = *current_pixel_pair++;
702 horiz_pred = *current_pixel_pair - *vert_pred;
703 *vert_pred++ = *current_pixel_pair++;
708 mb_change_byte_mask <<= 1;
711 if (!mb_change_byte_mask) {
712 mb_change_byte = mb_change_bits[mb_change_index++];
713 mb_change_byte_mask = 0x01;
721 if (((y + 1) & 3) == 0)
732 unsigned int predictor_pair;
733 unsigned int horiz_pred;
734 unsigned int *vert_pred;
735 unsigned int *current_pixel_pair;
736 unsigned char *current_line = s->
frame.
data[0];
741 unsigned char mb_change_byte;
742 unsigned char mb_change_byte_mask;
746 int index_stream_index = 0;
758 current_pixel_pair = (
unsigned int *)current_line;
761 mb_change_byte = mb_change_bits[mb_change_index++];
762 mb_change_byte_mask = 0x01;
765 while (pixels_left > 0) {
767 if (keyframe || ((mb_change_byte & mb_change_byte_mask) == 0)) {
827 *vert_pred++ = *current_pixel_pair++;
828 horiz_pred = *current_pixel_pair - *vert_pred;
829 *vert_pred++ = *current_pixel_pair++;
834 mb_change_byte_mask <<= 1;
837 if (!mb_change_byte_mask) {
838 mb_change_byte = mb_change_bits[mb_change_index++];
839 mb_change_byte_mask = 0x01;
847 if (((y + 1) & 3) == 0)
856 void *
data,
int *got_frame,
860 int buf_size = avpkt->
size;
903 .
name =
"truemotion1",