av_cold void ff_rl_init(RLTable *rl, uint8_t static_store[2][2 * MAX_RUN + MAX_LEVEL + 3]) { int8_t max_level[MAX_RUN + 1], max_run[MAX_LEVEL + 1]; uint8_t index_run[MAX_RUN + 1]; int last, run, level, start, end, i; /* If table is static, we can quit if rl->max_level[0] is not NULL */ if (static_store && rl->max_level[0]) return; /* compute max_level[], max_run[] and index_run[] */ for (last = 0; last < 2; last++) { if (last == 0) { start = 0; end = rl->last; } else { start = rl->last; end = rl->n; } memset(max_level, 0, MAX_RUN + 1); memset(max_run, 0, MAX_LEVEL + 1); memset(index_run, rl->n, MAX_RUN + 1); for (i = start; i < end; i++) { run = rl->table_run[i]; level = rl->table_level[i]; if (index_run[run] == rl->n) index_run[run] = i; if (level > max_level[run]) max_level[run] = level; if (run > max_run[level]) max_run[level] = run; } if (static_store) rl->max_level[last] = static_store[last]; else rl->max_level[last] = av_malloc(MAX_RUN + 1); memcpy(rl->max_level[last], max_level, MAX_RUN + 1); if (static_store) rl->max_run[last] = static_store[last] + MAX_RUN + 1; else rl->max_run[last] = av_malloc(MAX_LEVEL + 1); memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1); if (static_store) rl->index_run[last] = static_store[last] + MAX_RUN + MAX_LEVEL + 2; else rl->index_run[last] = av_malloc(MAX_RUN + 1); memcpy(rl->index_run[last], index_run, MAX_RUN + 1); } }