FFmpeg: libavcodec/msmpeg4data.h Source File

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libavcodec

msmpeg4data.h

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1 /*

2 * MSMPEG4 backend for encoder and decoder

5 *

6 * msmpeg4v1 & v2 stuff by Michael Niedermayer <michaelni@gmx.at>

7 *

8 * This file is part of FFmpeg.

9 *

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

11 * modify it under the terms of the GNU Lesser General Public

12 * License as published by the Free Software Foundation; either

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

14 *

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

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

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

18 * Lesser General Public License for more details.

19 *

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

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

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

23 */

25 /**

26 * @file

27 * MSMPEG4 data tables.

28 */

30 #ifndef AVCODEC_MSMPEG4DATA_H

31 #define AVCODEC_MSMPEG4DATA_H

33 #include "libavutil/common.h"

34 #include "get_bits.h"

35 #include "rl.h"

37 /* motion vector table */

38 typedef struct MVTable {

39 int n;

40 const uint16_t *table_mv_code;

41 const uint8_t *table_mv_bits;

42 const uint8_t *table_mvx;

43 const uint8_t *table_mvy;

44 uint16_t *table_mv_index; /* encoding: convert mv to index in table_mv */

45 VLC vlc; /* decoding: vlc */

46 } MVTable;

48 extern VLC ff_msmp4_mb_i_vlc;

49 extern VLC ff_msmp4_dc_luma_vlc[2];

50 extern VLC ff_msmp4_dc_chroma_vlc[2];

52 /* intra picture macroblock coded block pattern */

53 extern const uint16_t ff_msmp4_mb_i_table[64][2];

55 #define WMV1_SCANTABLE_COUNT 4

57 extern const uint8_t ff_wmv1_scantable[WMV1_SCANTABLE_COUNT][64];

59 #define NB_RL_TABLES 6

61 extern RLTable ff_rl_table[NB_RL_TABLES];

62 extern uint8_t ff_static_rl_table_store[NB_RL_TABLES][2][2 * MAX_RUN + MAX_LEVEL + 3];

64 extern uint32_t ff_v2_dc_lum_table[512][2];

65 extern uint32_t ff_v2_dc_chroma_table[512][2];

67 extern const uint8_t ff_wmv1_y_dc_scale_table[32];

68 extern const uint8_t ff_wmv1_c_dc_scale_table[32];

69 extern const uint8_t ff_old_ff_y_dc_scale_table[32];

71 extern MVTable ff_mv_tables[2];

73 extern const uint8_t ff_v2_mb_type[8][2];

74 extern const uint8_t ff_v2_intra_cbpc[4][2];

76 extern const uint32_t ff_table_mb_non_intra[128][2];

77 extern const uint8_t ff_table_inter_intra[4][2];

79 extern const uint32_t ff_table0_dc_lum[120][2];

80 extern const uint32_t ff_table1_dc_lum[120][2];

81 extern const uint32_t ff_table0_dc_chroma[120][2];

82 extern const uint32_t ff_table1_dc_chroma[120][2];

84 #define WMV2_INTER_CBP_TABLE_COUNT 4

85 extern const uint32_t (* const ff_wmv2_inter_table[WMV2_INTER_CBP_TABLE_COUNT])[2];

87 extern const uint8_t ff_wmv2_scantableA[64];

88 extern const uint8_t ff_wmv2_scantableB[64];

90 #endif /* AVCODEC_MSMPEG4DATA_H */

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