/* * Copyright (c) 2015 Kieran Kunhya * * 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_CFHD_H#define AVCODEC_CFHD_H #include <stdint.h> #include "avcodec.h"#include "bytestream.h"#include "get_bits.h"#include "cfhddsp.h" enum CFHDParam {    SampleType       =   1,    SampleIndexTable =   2,    BitstreamMarker  =   4,    VersionMajor     =   5,    VersionMinor     =   6,    VersionRevision  =   7,    VersionEdit      =   8,    TransformType    =  10,    NumFrames        =  11,    ChannelCount     =  12,    WaveletCount     =  13,    SubbandCount     =  14,    NumSpatial       =  15,    FirstWavelet     =  16,    GroupTrailer     =  18,    FrameType        =  19,    ImageWidth       =  20,    ImageHeight      =  21,    FrameIndex       =  23,    LowpassSubband   =  25,    NumLevels        =  26,    LowpassWidth     =  27,    LowpassHeight    =  28,    PixelOffset      =  33,    LowpassQuantization=34,    LowpassPrecision =  35,    WaveletType      =  37,    WaveletNumber    =  38,    WaveletLevel     =  39,    NumBands         =  40,    HighpassWidth    =  41,    HighpassHeight   =  42,    LowpassBorder    =  43,    HighpassBorder   =  44,    LowpassScale     =  45,    LowpassDivisor   =  46,    SubbandNumber    =  48,    BandWidth        =  49,    BandHeight       =  50,    SubbandBand      =  51,    BandEncoding     =  52,    Quantization     =  53,    BandScale        =  54,    BandHeader       =  55,    BandTrailer      =  56,    ChannelNumber    =  62,    SampleFlags      =  68,    FrameNumber      =  69,    Precision        =  70,    InputFormat      =  71,    BandCodingFlags  =  72,    PeakLevel        =  74,    PeakOffsetLow    =  75,    PeakOffsetHigh   =  76,    Version          =  79,    BandSecondPass   =  82,    PrescaleTable    =  83,    EncodedFormat    =  84,    DisplayHeight    =  85,    ChannelWidth     = 104,    ChannelHeight    = 105,}; #define VLC_BITS       9#define SUBBAND_COUNT 10#define SUBBAND_COUNT_3D 17 typedef struct CFHD_RL_VLC_ELEM {    int16_t level;    int8_t len;    uint16_t run;} CFHD_RL_VLC_ELEM; #define DWT_LEVELS 3#define DWT_LEVELS_3D 6 typedef struct SubBand {    ptrdiff_t stride;    int a_width;    int width;    int a_height;    int height;    int8_t read_ok;} SubBand; typedef struct Plane {    int width;    int height;    ptrdiff_t stride;     int16_t *idwt_buf;    int16_t *idwt_tmp;    int      idwt_size;     /* TODO: merge this into SubBand structure */    int16_t *subband[SUBBAND_COUNT_3D];    int16_t *l_h[10];     SubBand band[DWT_LEVELS_3D][4];} Plane; typedef struct Peak {    int level;    int offset;    GetByteContext base;} Peak; typedef struct CFHDContext {    AVCodecContext *avctx;     CFHD_RL_VLC_ELEM table_9_rl_vlc[2088];    CFHD_RL_VLC_ELEM table_18_rl_vlc[4572];     int lut[2][256];     GetBitContext gb;     int planes;    int frame_type;    int frame_index;    int sample_type;    int transform_type;    int coded_width;    int coded_height;    int cropped_height;    enum AVPixelFormat coded_format;    int progressive;     int a_width;    int a_height;    int a_format;    int a_transform_type;     int bpc; // bits per channel/component    int channel_cnt;    int subband_cnt;    int band_encoding;    int channel_num;    uint8_t lowpass_precision;    uint16_t quantisation;     int codebook;    int difference_coding;    int subband_num;    int level;    int subband_num_actual;     uint8_t prescale_table[8];    Plane plane[4];    Peak peak;     CFHDDSPContext dsp;} CFHDContext; int ff_cfhd_init_vlcs(CFHDContext *s); #endif /* AVCODEC_CFHD_H */