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)
327 header_buffer[i - 1] = s->
buf[i] ^ s->
buf[i + 1];
335 header.
version = header_buffer[9];
337 header.
flags = header_buffer[11];
338 header.
control = header_buffer[12];
364 if ((s->
w < 213) && (s->
h >= 176))
398 s->
w >>= width_shift;
506 #define GET_NEXT_INDEX() \
508 if (index_stream_index >= s->index_stream_size) { \
509 av_log(s->avctx, AV_LOG_INFO, " help! truemotion1 decoder went out of bounds\n"); \
512 index = s->index_stream[index_stream_index++] * 4; \
515 #define APPLY_C_PREDICTOR() \
516 predictor_pair = s->c_predictor_table[index]; \
517 horiz_pred += (predictor_pair >> 1); \
518 if (predictor_pair & 1) { \
522 predictor_pair = s->c_predictor_table[index]; \
523 horiz_pred += ((predictor_pair >> 1) * 5); \
524 if (predictor_pair & 1) \
532 #define APPLY_C_PREDICTOR_24() \
533 predictor_pair = s->c_predictor_table[index]; \
534 horiz_pred += (predictor_pair >> 1); \
535 if (predictor_pair & 1) { \
539 predictor_pair = s->fat_c_predictor_table[index]; \
540 horiz_pred += (predictor_pair >> 1); \
541 if (predictor_pair & 1) \
550 #define APPLY_Y_PREDICTOR() \
551 predictor_pair = s->y_predictor_table[index]; \
552 horiz_pred += (predictor_pair >> 1); \
553 if (predictor_pair & 1) { \
557 predictor_pair = s->y_predictor_table[index]; \
558 horiz_pred += ((predictor_pair >> 1) * 5); \
559 if (predictor_pair & 1) \
567 #define APPLY_Y_PREDICTOR_24() \
568 predictor_pair = s->y_predictor_table[index]; \
569 horiz_pred += (predictor_pair >> 1); \
570 if (predictor_pair & 1) { \
574 predictor_pair = s->fat_y_predictor_table[index]; \
575 horiz_pred += (predictor_pair >> 1); \
576 if (predictor_pair & 1) \
584 #define OUTPUT_PIXEL_PAIR() \
585 *current_pixel_pair = *vert_pred + horiz_pred; \
586 *vert_pred++ = *current_pixel_pair++;
592 unsigned int predictor_pair;
593 unsigned int horiz_pred;
594 unsigned int *vert_pred;
595 unsigned int *current_pixel_pair;
596 unsigned char *current_line = s->
frame.
data[0];
601 unsigned char mb_change_byte;
602 unsigned char mb_change_byte_mask;
606 int index_stream_index = 0;
618 current_pixel_pair = (
unsigned int *)current_line;
621 mb_change_byte = mb_change_bits[mb_change_index++];
622 mb_change_byte_mask = 0x01;
625 while (pixels_left > 0) {
627 if (keyframe || ((mb_change_byte & mb_change_byte_mask) == 0)) {
687 *vert_pred++ = *current_pixel_pair++;
688 horiz_pred = *current_pixel_pair - *vert_pred;
689 *vert_pred++ = *current_pixel_pair++;
694 mb_change_byte_mask <<= 1;
697 if (!mb_change_byte_mask) {
698 mb_change_byte = mb_change_bits[mb_change_index++];
699 mb_change_byte_mask = 0x01;
707 if (((y + 1) & 3) == 0)
718 unsigned int predictor_pair;
719 unsigned int horiz_pred;
720 unsigned int *vert_pred;
721 unsigned int *current_pixel_pair;
722 unsigned char *current_line = s->
frame.
data[0];
727 unsigned char mb_change_byte;
728 unsigned char mb_change_byte_mask;
732 int index_stream_index = 0;
744 current_pixel_pair = (
unsigned int *)current_line;
747 mb_change_byte = mb_change_bits[mb_change_index++];
748 mb_change_byte_mask = 0x01;
751 while (pixels_left > 0) {
753 if (keyframe || ((mb_change_byte & mb_change_byte_mask) == 0)) {
813 *vert_pred++ = *current_pixel_pair++;
814 horiz_pred = *current_pixel_pair - *vert_pred;
815 *vert_pred++ = *current_pixel_pair++;
820 mb_change_byte_mask <<= 1;
823 if (!mb_change_byte_mask) {
824 mb_change_byte = mb_change_bits[mb_change_index++];
825 mb_change_byte_mask = 0x01;
833 if (((y + 1) & 3) == 0)
842 void *
data,
int *got_frame,
846 int buf_size = avpkt->
size;
889 .
name =
"truemotion1",