/* * MSMPEG4 backend for encoder and decoder * copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org> * * This file is part of Libav. * * Libav 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. * * Libav 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 Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_MSMPEG4_H #define AVCODEC_MSMPEG4_H #include <stdint.h> #include "config.h" #include "avcodec.h" #include "mpegvideo.h" #include "msmpeg4data.h" #include "put_bits.h" #define INTER_INTRA_VLC_BITS 3 #define MB_NON_INTRA_VLC_BITS 9 #define MB_INTRA_VLC_BITS 9 #define II_BITRATE 128*1024 #define MBAC_BITRATE 50*1024 #define DC_MAX 119 extern VLC ff_mb_non_intra_vlc[4]; extern VLC ff_inter_intra_vlc; void ff_msmpeg4_code012(PutBitContext *pb, int n); void ff_msmpeg4_common_init(MpegEncContext *s); void ff_msmpeg4_encode_block(MpegEncContext * s, int16_t * block, int n); void ff_msmpeg4_handle_slices(MpegEncContext *s); void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my); int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n, uint8_t **coded_block_ptr); int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr); int ff_msmpeg4_decode_block(MpegEncContext * s, int16_t * block, int n, int coded, const uint8_t *scan_table); int ff_msmpeg4_pred_dc(MpegEncContext *s, int n, int16_t **dc_val_ptr, int *dir_ptr); int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64]); #define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \ CONFIG_MSMPEG4V2_DECODER || \ CONFIG_MSMPEG4V3_DECODER || \ CONFIG_WMV2_DECODER || \ CONFIG_VC1_DECODER) #define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V2_ENCODER || \ CONFIG_MSMPEG4V3_ENCODER || \ CONFIG_WMV2_ENCODER) #endif /* AVCODEC_MSMPEG4_H */