/* * MPEG-4 encoder internal header. * Copyright (c) 2000,2001 Fabrice Bellard * Copyright (c) 2002-2010 Michael Niedermayer * * 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 */ #ifndef AVCODEC_MPEG4VIDEOENC_H #define AVCODEC_MPEG4VIDEOENC_H #include #include "put_bits.h" enum { MAX_PB2_INTRA_SIZE = 1 /* ac_pred */ + 5 /* max cbpy len */ + 2 /* dquant */ + 1 /* interlaced dct */ + 4 * (8 /* longest luma dct_dc_size */ + 9 /* longest dc diff */ + 1 /* marker */) + 2 * (9 + 9 + 1), MAX_PB2_INTER_SIZE = 5 /* max cbpy len */ + 2 /* dquant */ + 1 /* interlaced_dct */ + 1, MAX_PB2_MB_SIZE = (FFMAX(MAX_PB2_INTER_SIZE, MAX_PB2_INTRA_SIZE) + 7) / 8, MAX_AC_TEX_MB_SIZE = 64 * 6 * 30 /* longest escape code */ / 8, }; typedef struct MPVEncContext MPVEncContext; void ff_set_mpeg4_time(MPVEncContext *s); void ff_mpeg4_encode_video_packet_header(MPVEncContext *s); void ff_mpeg4_stuffing(PutBitContext *pbc); void ff_mpeg4_init_partitions(MPVEncContext *s); void ff_mpeg4_merge_partitions(MPVEncContext *s); void ff_clean_mpeg4_qscales(MPVEncContext *s); #endif