| /* |
| * MSMPEG4 backend for encoder and decoder |
| * copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org> |
| * |
| * 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_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_encode_init(MpegEncContext *s); |
| void ff_msmpeg4_encode_picture_header(MpegEncContext *s, int picture_number); |
| void ff_msmpeg4_encode_ext_header(MpegEncContext *s); |
| void ff_msmpeg4_encode_mb(MpegEncContext *s, int16_t block[6][64], |
| int motion_x, int motion_y); |
| |
| int ff_msmpeg4_decode_init(AVCodecContext *avctx); |
| int ff_msmpeg4_decode_picture_header(MpegEncContext *s); |
| int ff_msmpeg4_decode_ext_header(MpegEncContext *s, int buf_size); |
| 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); |
| |
| |
| #define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \ |
| CONFIG_MSMPEG4V2_DECODER || \ |
| CONFIG_MSMPEG4V3_DECODER || \ |
| CONFIG_WMV1_DECODER || \ |
| CONFIG_WMV2_DECODER || \ |
| CONFIG_VC1_DECODER) |
| #define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V2_ENCODER || \ |
| CONFIG_MSMPEG4V3_ENCODER || \ |
| CONFIG_WMV1_ENCODER || \ |
| CONFIG_WMV2_ENCODER) |
| |
| #endif /* AVCODEC_MSMPEG4_H */ |