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FFmpeg/libavcodec/asv.h

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  1. /*

  2.  * Copyright (c) 2003 Michael Niedermayer

  3.  *

  4.  * This file is part of Libav.

  5.  *

  6.  * Libav is free software; you can redistribute it and/or

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

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

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

  10.  *

  11.  * Libav is distributed in the hope that it will be useful,

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

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

  14.  * Lesser General Public License for more details.

  15.  *

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

  17.  * License along with Libav; if not, write to the Free Software

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

  19.  */

  20. 

  21. /**

  22.  * @file

  23.  * ASUS V1/V2 encoder/decoder common data.

  24.  */

  25. 

  26. #ifndef AVCODEC_ASV_H

  27. #define AVCODEC_ASV_H

  28. 

  29. #include <stdint.h>

  30. 

  31. #include "libavutil/mem.h"

  32. 

  33. #include "avcodec.h"

  34. #include "bitstream.h"

  35. #include "blockdsp.h"

  36. #include "bswapdsp.h"

  37. #include "fdctdsp.h"

  38. #include "idctdsp.h"

  39. #include "pixblockdsp.h"

  40. #include "put_bits.h"

  41. 

  42. typedef struct ASV1Context {

  43.     AVCodecContext *avctx;

  44.     BlockDSPContext bdsp;

  45.     BswapDSPContext bbdsp;

  46.     FDCTDSPContext fdsp;

  47.     IDCTDSPContext idsp;

  48.     PixblockDSPContext pdsp;

  49.     PutBitContext pb;

  50.     BitstreamContext bc;

  51.     ScanTable scantable;

  52.     int inv_qscale;

  53.     int mb_width;

  54.     int mb_height;

  55.     int mb_width2;

  56.     int mb_height2;

  57.     DECLARE_ALIGNED(16, int16_t, block)[6][64];

  58.     uint16_t intra_matrix[64];

  59.     int q_intra_matrix[64];

  60.     uint8_t *bitstream_buffer;

  61.     unsigned int bitstream_buffer_size;

  62. } ASV1Context;

  63. 

  64. extern const uint8_t ff_asv_scantab[64];

  65. extern const uint8_t ff_asv_ccp_tab[17][2];

  66. extern const uint8_t ff_asv_level_tab[7][2];

  67. extern const uint8_t ff_asv_dc_ccp_tab[8][2];

  68. extern const uint8_t ff_asv_ac_ccp_tab[16][2];

  69. extern const uint8_t ff_asv2_level_tab[63][2];

  70. 

  71. void ff_asv_common_init(AVCodecContext *avctx);

  72. 

  73. #endif /* AVCODEC_ASV_H */