/* * AAC encoder main-type prediction * Copyright (C) 2015 Rostislav Pehlivanov * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * AAC encoder main-type prediction * @author Rostislav Pehlivanov ( atomnuker gmail com ) */ #ifndef AVCODEC_AACENC_PRED_H #define AVCODEC_AACENC_PRED_H #include "aacenc.h" /* Every predictor group needs to get reset at least once in this many frames */ #define PRED_RESET_FRAME_MIN 240 /* Any frame with less than this amount of frames since last reset is ok */ #define PRED_RESET_MIN 64 /* Raise to filter any low frequency artifacts due to prediction */ #define PRED_SFB_START 10 void ff_aac_apply_main_pred(AACEncContext *s, SingleChannelElement *sce); void ff_aac_adjust_common_pred(AACEncContext *s, ChannelElement *cpe); void ff_aac_search_for_pred(AACEncContext *s, SingleChannelElement *sce); void ff_aac_encode_main_pred(AACEncContext *s, SingleChannelElement *sce); #endif /* AVCODEC_AACENC_PRED_H */