82 #define FLAG_SPRITE 32
83 #define FLAG_KEYFRAME 16
84 #define FLAG_INTERFRAME 8
85 #define FLAG_INTERPOLATED 4
106 #define ALGO_RGB16V 1
107 #define ALGO_RGB16H 2
108 #define ALGO_RGB24H 3
152 if (delta_table_index > 3)
155 memcpy(s->
ydt,
ydts[delta_table_index], 8 *
sizeof(int16_t));
156 memcpy(s->
cdt,
cdts[delta_table_index], 8 *
sizeof(int16_t));
162 for (i = 0; i < 8; i++)
180 lo += (lo << 5) + (lo << 10);
182 hi += (hi << 5) + (hi << 10);
183 return (lo + (hi << 16)) << 1;
193 return (lo + (lo << 16)) << 1;
205 lo += (lo << 6) + (lo << 11);
207 hi += (hi << 6) + (hi << 11);
208 return (lo + (hi << 16)) << 1;
218 return (lo + (lo << 16)) << 1;
227 return (lo + (hi << 8) + (hi << 16)) << 1;
242 unsigned char delta_pair;
244 for (i = 0; i < 1024; i += 4)
246 len = *sel_vector_table++ / 2;
247 for (j = 0; j <
len; j++)
249 delta_pair = *sel_vector_table++;
263 unsigned char delta_pair;
265 for (i = 0; i < 1024; i += 4)
267 len = *sel_vector_table++ / 2;
268 for (j = 0; j <
len; j++)
270 delta_pair = *sel_vector_table++;
284 unsigned char delta_pair;
286 for (i = 0; i < 1024; i += 4)
288 len = *sel_vector_table++ / 2;
289 for (j = 0; j <
len; j++)
291 delta_pair = *sel_vector_table++;
316 uint8_t header_buffer[128] = { 0 };
317 const uint8_t *sel_vector_table;
320 if (s->
buf[0] < 0x10)
333 header_buffer[i - 1] = s->
buf[i] ^ s->
buf[i + 1];
341 header.
version = header_buffer[9];
343 header.
flags = header_buffer[11];
344 header.
control = header_buffer[12];
370 if ((s->
w < 213) && (s->
h >= 176))
404 s->
w >>= width_shift;
524 #define GET_NEXT_INDEX() \
526 if (index_stream_index >= s->index_stream_size) { \
527 av_log(s->avctx, AV_LOG_INFO, " help! truemotion1 decoder went out of bounds\n"); \
530 index = s->index_stream[index_stream_index++] * 4; \
535 if (index >= 1023) { \
536 av_log(s->avctx, AV_LOG_ERROR, "Invalid index value.\n"); \
542 #define APPLY_C_PREDICTOR() \
543 predictor_pair = s->c_predictor_table[index]; \
544 horiz_pred += (predictor_pair >> 1); \
545 if (predictor_pair & 1) { \
549 predictor_pair = s->c_predictor_table[index]; \
550 horiz_pred += ((predictor_pair >> 1) * 5); \
551 if (predictor_pair & 1) \
559 #define APPLY_C_PREDICTOR_24() \
560 predictor_pair = s->c_predictor_table[index]; \
561 horiz_pred += (predictor_pair >> 1); \
562 if (predictor_pair & 1) { \
566 predictor_pair = s->fat_c_predictor_table[index]; \
567 horiz_pred += (predictor_pair >> 1); \
568 if (predictor_pair & 1) \
577 #define APPLY_Y_PREDICTOR() \
578 predictor_pair = s->y_predictor_table[index]; \
579 horiz_pred += (predictor_pair >> 1); \
580 if (predictor_pair & 1) { \
584 predictor_pair = s->y_predictor_table[index]; \
585 horiz_pred += ((predictor_pair >> 1) * 5); \
586 if (predictor_pair & 1) \
594 #define APPLY_Y_PREDICTOR_24() \
595 predictor_pair = s->y_predictor_table[index]; \
596 horiz_pred += (predictor_pair >> 1); \
597 if (predictor_pair & 1) { \
601 predictor_pair = s->fat_y_predictor_table[index]; \
602 horiz_pred += (predictor_pair >> 1); \
603 if (predictor_pair & 1) \
611 #define OUTPUT_PIXEL_PAIR() \
612 *current_pixel_pair = *vert_pred + horiz_pred; \
613 *vert_pred++ = *current_pixel_pair++;
619 unsigned int predictor_pair;
620 unsigned int horiz_pred;
621 unsigned int *vert_pred;
622 unsigned int *current_pixel_pair;
623 unsigned char *current_line = s->
frame->
data[0];
628 unsigned char mb_change_byte;
629 unsigned char mb_change_byte_mask;
633 int index_stream_index = 0;
645 current_pixel_pair = (
unsigned int *)current_line;
648 mb_change_byte = mb_change_bits[mb_change_index++];
649 mb_change_byte_mask = 0x01;
652 while (pixels_left > 0) {
654 if (keyframe || ((mb_change_byte & mb_change_byte_mask) == 0)) {
714 *vert_pred++ = *current_pixel_pair++;
715 horiz_pred = *current_pixel_pair - *vert_pred;
716 *vert_pred++ = *current_pixel_pair++;
721 mb_change_byte_mask <<= 1;
724 if (!mb_change_byte_mask) {
725 mb_change_byte = mb_change_bits[mb_change_index++];
726 mb_change_byte_mask = 0x01;
734 if (((y + 1) & 3) == 0)
745 unsigned int predictor_pair;
746 unsigned int horiz_pred;
747 unsigned int *vert_pred;
748 unsigned int *current_pixel_pair;
749 unsigned char *current_line = s->
frame->
data[0];
754 unsigned char mb_change_byte;
755 unsigned char mb_change_byte_mask;
759 int index_stream_index = 0;
771 current_pixel_pair = (
unsigned int *)current_line;
774 mb_change_byte = mb_change_bits[mb_change_index++];
775 mb_change_byte_mask = 0x01;
778 while (pixels_left > 0) {
780 if (keyframe || ((mb_change_byte & mb_change_byte_mask) == 0)) {
840 *vert_pred++ = *current_pixel_pair++;
841 horiz_pred = *current_pixel_pair - *vert_pred;
842 *vert_pred++ = *current_pixel_pair++;
847 mb_change_byte_mask <<= 1;
850 if (!mb_change_byte_mask) {
851 mb_change_byte = mb_change_bits[mb_change_index++];
852 mb_change_byte_mask = 0x01;
860 if (((y + 1) & 3) == 0)
869 void *
data,
int *got_frame,
873 int ret, buf_size = avpkt->
size;
911 .
name =
"truemotion1",