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FFmpeg/libavcodec/msmpeg4.h

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  1. /*

  2.  * MSMPEG4 backend for ffmpeg encoder and decoder

  3.  * copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. /**

  23.  * @file msmpeg4.h

  24.  */

  25. 

  26. #ifndef FFMPEG_MSMPEG4_H

  27. #define FFMPEG_MSMPEG4_H

  28. 

  29. #include "config.h"

  30. #include "avcodec.h"

  31. #include "dsputil.h"

  32. #include "mpegvideo.h"

  33. 

  34. #define INTER_INTRA_VLC_BITS 3

  35. #define MB_NON_INTRA_VLC_BITS 9

  36. #define MB_INTRA_VLC_BITS 9

  37. 

  38. extern VLC ff_mb_non_intra_vlc[4];

  39. extern VLC ff_inter_intra_vlc;

  40. 

  41. void ff_msmpeg4_code012(PutBitContext *pb, int n);

  42. void ff_msmpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n);

  43. void ff_msmpeg4_handle_slices(MpegEncContext *s);

  44. void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my);

  45. int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n,

  46.                                 uint8_t **coded_block_ptr);

  47. int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr);

  48. int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,

  49.                             int n, int coded, const uint8_t *scan_table);

  50. int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);

  51. 

  52. #define ENABLE_MSMPEG4_DECODER (ENABLE_MSMPEG4V1_DECODER || \

  53.                                 ENABLE_MSMPEG4V2_DECODER || \

  54.                                 ENABLE_MSMPEG4V3_DECODER || \

  55.                                 ENABLE_WMV2_DECODER)

  56. #define ENABLE_MSMPEG4_ENCODER (ENABLE_MSMPEG4V1_ENCODER || \

  57.                                 ENABLE_MSMPEG4V2_ENCODER || \

  58.                                 ENABLE_MSMPEG4V3_ENCODER || \

  59.                                 ENABLE_WMV2_ENCODER)

  60. #define ENABLE_MSMPEG4 (ENABLE_MSMPEG4_DECODER || ENABLE_MSMPEG4_ENCODER)

  61. #define ENABLE_WMV2 (ENABLE_WMV2_DECODER || ENABLE_WMV2_ENCODER)

  62. #define ENABLE_WMV_DECODER (ENABLE_WMV1_DECODER || ENABLE_WMV2_DECODER)

  63. #define ENABLE_WMV_ENCODER (ENABLE_WMV1_ENCODER || ENABLE_WMV2_ENCODER)

  64. 

  65. #endif /* FFMPEG_MSMPEG4_H */