diff options
Diffstat (limited to 'converter/other/fiasco/output/mc.c')
| -rw-r--r-- | converter/other/fiasco/output/mc.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/converter/other/fiasco/output/mc.c b/converter/other/fiasco/output/mc.c index d048bef5..170a2648 100644 --- a/converter/other/fiasco/output/mc.c +++ b/converter/other/fiasco/output/mc.c @@ -1,9 +1,9 @@ /* - * mc.c: Output of motion compensation + * mc.c: Output of motion compensation * * Written by: Michael Unger * Ullrich Hafner - * + * * This file is part of FIASCO (Fractal Image And Sequence COdec) * Copyright (C) 1994-2000 Ullrich Hafner */ @@ -30,7 +30,7 @@ /***************************************************************************** local variables - + *****************************************************************************/ static unsigned p_frame_codes [4][2] = @@ -39,7 +39,7 @@ static unsigned p_frame_codes [4][2] = * NONE, FORWARD */ { - {1, 1}, {0, 1}, {0, 0}, {0, 0} + {1, 1}, {0, 1}, {0, 0}, {0, 0} }; static unsigned b_frame_codes [4][2] = @@ -48,7 +48,7 @@ static unsigned b_frame_codes [4][2] = * NONE, FORWARD, BACKWARD, INTERPOLATED */ { - {1, 1}, {000, 3}, {001, 3}, {01, 2} + {1, 1}, {000, 3}, {001, 3}, {01, 2} }; enum vlc_e {CODE = 0, BITS = 1}; @@ -56,7 +56,7 @@ enum vlc_e {CODE = 0, BITS = 1}; /***************************************************************************** prototypes - + *****************************************************************************/ static void @@ -68,7 +68,7 @@ encode_mc_coords (unsigned max_state, const wfa_t *wfa, bitfile_t *output); /***************************************************************************** public code - + *****************************************************************************/ void @@ -85,7 +85,7 @@ write_mc (frame_type_e frame_type, const wfa_t *wfa, bitfile_t *output) /***************************************************************************** private code - + *****************************************************************************/ static void @@ -108,22 +108,22 @@ encode_mc_tree (unsigned max_state, frame_type_e frame_type, const wfa_t *wfa, mc_type_e type; /* type of motion compensation */ unsigned (*mc_tree_codes)[2]; /* pointer to VLC table */ unsigned bits = bits_processed (output); /* number of bits used */ - + if (frame_type == P_FRAME) mc_tree_codes = p_frame_codes; /* binary code */ - else + else mc_tree_codes = b_frame_codes; /* variable length code */ - + /* * Traverse tree in breadth first order (starting at - * level 'wfa->p_max_level'). Use a queue to store the childs - * of each node ('last' is the next free queue element). + * level 'wfa->p_max_level'). Use a queue to store the children + * of each node ('last' is the next free queue element). */ for (last = 0, state = wfa->basis_states; state < max_state; state++) if (wfa->level_of_state [state] - 1 == (int) wfa->wfainfo->p_max_level) queue [last++] = state; /* init level = 'mc_max_level' */ - + for (current = 0; current < last; current++) for (label = 0; label < MAXLABELS; label++) { @@ -145,7 +145,7 @@ encode_mc_tree (unsigned max_state, frame_type_e frame_type, const wfa_t *wfa, wfa->level_of_state [state] - 1 >= (int) wfa->wfainfo->p_min_level) queue [last++] = wfa->tree [state][label]; /* append child */ - + } OUTPUT_BYTE_ALIGN (output); @@ -174,16 +174,16 @@ encode_mc_coords (unsigned max_state, const wfa_t *wfa, bitfile_t *output) unsigned itotal = 0; /* #interpolated decisions */ unsigned bits = bits_processed (output); /* number of bits used */ unsigned sr = wfa->wfainfo->search_range; /* search range */ - + for (level = wfa->wfainfo->p_max_level; level >= wfa->wfainfo->p_min_level; level--) level_count [level] = 0; - + for (state = wfa->basis_states; state < max_state; state++) for (label = 0; label < MAXLABELS; label++) { mv_t *mv = &wfa->mv_tree[state][label]; /* motion vector info */ - + if (mv->type != NONE) { level_count [wfa->level_of_state [state] - 1]++; @@ -229,14 +229,14 @@ encode_mc_coords (unsigned max_state, const wfa_t *wfa, bitfile_t *output) } OUTPUT_BYTE_ALIGN (output); - + debug_message ("Motion compensation: %d forward, %d backward, " "%d interpolated", ftotal, btotal, itotal); for (level = wfa->wfainfo->p_max_level; level >= wfa->wfainfo->p_min_level; level--) debug_message ("Level %d: %d motion vectors", level, level_count[level]); - + { unsigned total = ftotal * 2 + btotal * 2 + itotal * 4; |