1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libavcodec/avcodec.h	Tue Sep 25 15:55:33 2012 +0200
     1.3 @@ -0,0 +1,407 @@
     1.4 +#ifndef AVCODEC_AVCODEC_H
     1.5 +#define AVCODEC_AVCODEC_H
     1.6 +
     1.7 +#include <errno.h>
     1.8 +#include <stdint.h>
     1.9 +#include "config.h"
    1.10 +
    1.11 +#include "libavutil/mem.h"
    1.12 +
    1.13 +#define MAX_SPS_COUNT 32
    1.14 +#define MAX_PPS_COUNT 256
    1.15 +
    1.16 +
    1.17 +#ifndef CABAC
    1.18 +#define CABAC h->pps.cabac
    1.19 +#endif
    1.20 +
    1.21 +#define EXTENDED_SAR          255
    1.22 +
    1.23 +#define MB_TYPE_REF0       MB_TYPE_ACPRED //dirty but it fits in 16 bit
    1.24 +#define MB_TYPE_8x8DCT     0x01000000
    1.25 +#define IS_REF0(a)         ((a) & MB_TYPE_REF0)
    1.26 +#define IS_8x8DCT(a)       ((a) & MB_TYPE_8x8DCT)
    1.27 +
    1.28 +#define LIST_NOT_USED -1
    1.29 +#define PART_NOT_AVAILABLE -2
    1.30 +
    1.31 +/* dct code */
    1.32 +typedef short DCTELEM;
    1.33 +
    1.34 +/**
    1.35 +* Required number of additionally allocated bytes at the end of the input bitstream for decoding.
    1.36 +* This is mainly needed because some optimized bitstream readers read
    1.37 +* 32 or 64 bit at once and could read over the end.<br>
    1.38 +* Note: If the first 23 bits of the additional bytes are not 0, then damaged
    1.39 +* MPEG bitstreams could cause overread and segfault.
    1.40 +*/
    1.41 +#define FF_INPUT_BUFFER_PADDING_SIZE 8
    1.42 +
    1.43 +enum AVColorPrimaries{
    1.44 +    AVCOL_PRI_BT709      =1, ///< also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B
    1.45 +    AVCOL_PRI_UNSPECIFIED=2,
    1.46 +    AVCOL_PRI_BT470M     =4,
    1.47 +    AVCOL_PRI_BT470BG    =5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM
    1.48 +    AVCOL_PRI_SMPTE170M  =6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
    1.49 +    AVCOL_PRI_SMPTE240M  =7, ///< functionally identical to above
    1.50 +    AVCOL_PRI_FILM       =8,
    1.51 +    AVCOL_PRI_NB           , ///< Not part of ABI
    1.52 +};
    1.53 +
    1.54 +enum AVColorTransferCharacteristic{
    1.55 +    AVCOL_TRC_BT709      =1, ///< also ITU-R BT1361
    1.56 +    AVCOL_TRC_UNSPECIFIED=2,
    1.57 +    AVCOL_TRC_GAMMA22    =4, ///< also ITU-R BT470M / ITU-R BT1700 625 PAL & SECAM
    1.58 +    AVCOL_TRC_GAMMA28    =5, ///< also ITU-R BT470BG
    1.59 +    AVCOL_TRC_NB           , ///< Not part of ABI
    1.60 +};
    1.61 +
    1.62 +enum AVColorSpace{
    1.63 +    AVCOL_SPC_RGB        =0,
    1.64 +    AVCOL_SPC_BT709      =1, ///< also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
    1.65 +    AVCOL_SPC_UNSPECIFIED=2,
    1.66 +    AVCOL_SPC_FCC        =4,
    1.67 +    AVCOL_SPC_BT470BG    =5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601
    1.68 +    AVCOL_SPC_SMPTE170M  =6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above
    1.69 +    AVCOL_SPC_SMPTE240M  =7,
    1.70 +    AVCOL_SPC_NB           , ///< Not part of ABI
    1.71 +};
    1.72 +
    1.73 +enum AVColorRange{
    1.74 +    AVCOL_RANGE_UNSPECIFIED=0,
    1.75 +    AVCOL_RANGE_MPEG       =1, ///< the normal 219*2^(n-8) "MPEG" YUV ranges
    1.76 +    AVCOL_RANGE_JPEG       =2, ///< the normal     2^n-1   "JPEG" YUV ranges
    1.77 +    AVCOL_RANGE_NB           , ///< Not part of ABI
    1.78 +};
    1.79 +
    1.80 +#define MAX_MMCO_COUNT 66
    1.81 +/**
    1.82 +* Memory management control operation opcode.
    1.83 +*/
    1.84 +typedef enum MMCOOpcode{
    1.85 +    MMCO_END=0,
    1.86 +    MMCO_SHORT2UNUSED,
    1.87 +    MMCO_LONG2UNUSED,
    1.88 +    MMCO_SHORT2LONG,
    1.89 +    MMCO_SET_MAX_LONG,
    1.90 +    MMCO_RESET,
    1.91 +    MMCO_LONG,
    1.92 +} MMCOOpcode;
    1.93 +
    1.94 +/* NAL unit types */
    1.95 +enum {
    1.96 +    NAL_SLICE=1,
    1.97 +    NAL_DPA,
    1.98 +    NAL_DPB,
    1.99 +    NAL_DPC,
   1.100 +    NAL_IDR_SLICE,
   1.101 +    NAL_SEI,
   1.102 +    NAL_SPS,
   1.103 +    NAL_PPS,
   1.104 +    NAL_AUD,
   1.105 +    NAL_END_SEQUENCE,
   1.106 +    NAL_END_STREAM,
   1.107 +    NAL_FILLER_DATA,
   1.108 +    NAL_SPS_EXT,
   1.109 +    NAL_AUXILIARY_SLICE=19
   1.110 +};
   1.111 +
   1.112 +/**
   1.113 +* SEI message types
   1.114 +*/
   1.115 +typedef enum {
   1.116 +    SEI_BUFFERING_PERIOD             =  0, ///< buffering period (H.264, D.1.1)
   1.117 +    SEI_TYPE_PIC_TIMING              =  1, ///< picture timing
   1.118 +    SEI_TYPE_USER_DATA_UNREGISTERED  =  5, ///< unregistered user data
   1.119 +    SEI_TYPE_RECOVERY_POINT          =  6  ///< recovery point (frame # to decoder sync)
   1.120 +} SEI_Type;
   1.121 +
   1.122 +/**
   1.123 +* pic_struct in picture timing SEI message
   1.124 +*/
   1.125 +typedef enum {
   1.126 +    SEI_PIC_STRUCT_FRAME             = 0, ///<  0: %frame
   1.127 +    SEI_PIC_STRUCT_TOP_FIELD         = 1, ///<  1: top field
   1.128 +    SEI_PIC_STRUCT_BOTTOM_FIELD      = 2, ///<  2: bottom field
   1.129 +    SEI_PIC_STRUCT_TOP_BOTTOM        = 3, ///<  3: top field, bottom field, in that order
   1.130 +    SEI_PIC_STRUCT_BOTTOM_TOP        = 4, ///<  4: bottom field, top field, in that order
   1.131 +    SEI_PIC_STRUCT_TOP_BOTTOM_TOP    = 5, ///<  5: top field, bottom field, top field repeated, in that order
   1.132 +    SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM = 6, ///<  6: bottom field, top field, bottom field repeated, in that order
   1.133 +    SEI_PIC_STRUCT_FRAME_DOUBLING    = 7, ///<  7: %frame doubling
   1.134 +    SEI_PIC_STRUCT_FRAME_TRIPLING    = 8  ///<  8: %frame tripling
   1.135 +} SEI_PicStructType;
   1.136 +
   1.137 +#define FF_MAX_B_FRAMES 16
   1.138 +
   1.139 +
   1.140 +//The following defines may change, don't expect compatibility if you use them.
   1.141 +#define MB_TYPE_INTRA4x4   0x0001
   1.142 +#define MB_TYPE_INTRA16x16 0x0002 //FIXME H.264-specific
   1.143 +#define MB_TYPE_INTRA_PCM  0x0004 //FIXME H.264-specific
   1.144 +#define MB_TYPE_16x16      0x0008
   1.145 +#define MB_TYPE_16x8       0x0010
   1.146 +#define MB_TYPE_8x16       0x0020
   1.147 +#define MB_TYPE_8x8        0x0040
   1.148 +#define MB_TYPE_INTERLACED 0x0080
   1.149 +#define MB_TYPE_DIRECT2    0x0100 //FIXME
   1.150 +#define MB_TYPE_ACPRED     0x0200
   1.151 +#define MB_TYPE_GMC        0x0400
   1.152 +#define MB_TYPE_SKIP       0x0800
   1.153 +#define MB_TYPE_P0L0       0x1000
   1.154 +#define MB_TYPE_P1L0       0x2000
   1.155 +#define MB_TYPE_P0L1       0x4000
   1.156 +#define MB_TYPE_P1L1       0x8000
   1.157 +#define MB_TYPE_L0         (MB_TYPE_P0L0 | MB_TYPE_P1L0)
   1.158 +#define MB_TYPE_L1         (MB_TYPE_P0L1 | MB_TYPE_P1L1)
   1.159 +#define MB_TYPE_L0L1       (MB_TYPE_L0   | MB_TYPE_L1)
   1.160 +#define MB_TYPE_QUANT      0x00010000
   1.161 +#define MB_TYPE_CBP        0x00020000
   1.162 +//Note bits 24-31 are reserved for codec specific use (h264 ref0, mpeg1 0mv, ...)
   1.163 +
   1.164 +#define FF_BUFFER_TYPE_INTERNAL 1
   1.165 +#define FF_BUFFER_TYPE_USER     2 ///< direct rendering buffers (image is (de)allocated by user)
   1.166 +#define FF_BUFFER_TYPE_SHARED   4 ///< Buffer from somewhere else; don't deallocate image (data/base), all other tables are not shared.
   1.167 +#define FF_BUFFER_TYPE_COPY     8 ///< Just a (modified) copy of some other buffer, don't deallocate anything.
   1.168 +
   1.169 +
   1.170 +#define FF_I_TYPE  1 ///< Intra
   1.171 +#define FF_P_TYPE  2 ///< Predicted
   1.172 +#define FF_B_TYPE  3 ///< Bi-dir predicted
   1.173 +#define FF_S_TYPE  4 ///< S(GMC)-VOP MPEG4
   1.174 +#define FF_SI_TYPE 5 ///< Switching Intra
   1.175 +#define FF_SP_TYPE 6 ///< Switching Predicted
   1.176 +#define FF_BI_TYPE 7
   1.177 +
   1.178 +#define MB_TYPE_INTRA MB_TYPE_INTRA4x4 //default mb_type if there is just one type
   1.179 +#define IS_INTRA4x4(a)   ((a)&MB_TYPE_INTRA4x4)
   1.180 +#define IS_INTRA16x16(a) ((a)&MB_TYPE_INTRA16x16)
   1.181 +#define IS_PCM(a)        ((a)&MB_TYPE_INTRA_PCM)
   1.182 +#define IS_INTRA(a)      ((a)&7)
   1.183 +#define IS_INTER(a)      ((a)&(MB_TYPE_16x16|MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8))
   1.184 +#define IS_SKIP(a)       ((a)&MB_TYPE_SKIP)
   1.185 +#define IS_INTRA_PCM(a)  ((a)&MB_TYPE_INTRA_PCM)
   1.186 +#define IS_INTERLACED(a) ((a)&MB_TYPE_INTERLACED)
   1.187 +#define IS_DIRECT(a)     ((a)&MB_TYPE_DIRECT2)
   1.188 +#define IS_GMC(a)        ((a)&MB_TYPE_GMC)
   1.189 +#define IS_16X16(a)      ((a)&MB_TYPE_16x16)
   1.190 +#define IS_16X8(a)       ((a)&MB_TYPE_16x8)
   1.191 +#define IS_8X16(a)       ((a)&MB_TYPE_8x16)
   1.192 +#define IS_8X8(a)        ((a)&MB_TYPE_8x8)
   1.193 +#define IS_SUB_8X8(a)    ((a)&MB_TYPE_16x16) //note reused
   1.194 +#define IS_SUB_8X4(a)    ((a)&MB_TYPE_16x8)  //note reused
   1.195 +#define IS_SUB_4X8(a)    ((a)&MB_TYPE_8x16)  //note reused
   1.196 +#define IS_SUB_4X4(a)    ((a)&MB_TYPE_8x8)   //note reused
   1.197 +#define IS_ACPRED(a)     ((a)&MB_TYPE_ACPRED)
   1.198 +#define IS_QUANT(a)      ((a)&MB_TYPE_QUANT)
   1.199 +#define IS_DIR(a, part, list) ((a) & (MB_TYPE_P0L0<<((part)+2*(list))))
   1.200 +#define USES_LIST(a, list) ((a) & ((MB_TYPE_P0L0|MB_TYPE_P1L0)<<(2*(list)))) ///< does this mb use listX, note does not work if subMBs
   1.201 +#define HAS_CBP(a)        ((a)&MB_TYPE_CBP)
   1.202 +
   1.203 +
   1.204 +#define FF_MM_FORCE    0x80000000 /* Force usage of selected flags (OR) */
   1.205 +    /* lower 16 bits - CPU features */
   1.206 +#define FF_MM_MMX      0x0001 ///< standard MMX
   1.207 +#define FF_MM_3DNOW    0x0004 ///< AMD 3DNOW
   1.208 +#define FF_MM_MMX2     0x0002 ///< SSE integer functions or AMD MMX ext
   1.209 +#define FF_MM_SSE      0x0008 ///< SSE functions
   1.210 +#define FF_MM_SSE2     0x0010 ///< PIV SSE2 functions
   1.211 +#define FF_MM_3DNOWEXT 0x0020 ///< AMD 3DNowExt
   1.212 +#define FF_MM_SSE3     0x0040 ///< Prescott SSE3 functions
   1.213 +#define FF_MM_SSSE3    0x0080 ///< Conroe SSSE3 functions
   1.214 +#define FF_MM_SSE4     0x0100 ///< Penryn SSE4.1 functions
   1.215 +#define FF_MM_SSE42    0x0200 ///< Nehalem SSE4.2 functions
   1.216 +#define FF_MM_IWMMXT   0x0100 ///< XScale IWMMXT
   1.217 +#define FF_MM_ALTIVEC  0x0001 ///< standard AltiVec
   1.218 +
   1.219 +
   1.220 +/**
   1.221 +* Sequence parameter set
   1.222 +*/
   1.223 +typedef struct SPS{
   1.224 +
   1.225 +    int profile_idc;
   1.226 +    int level_idc;
   1.227 +    int chroma_format_idc;
   1.228 +    int transform_bypass;              ///< qpprime_y_zero_transform_bypass_flag
   1.229 +    int log2_max_frame_num;            ///< log2_max_frame_num_minus4 + 4
   1.230 +    int poc_type;                      ///< pic_order_cnt_type
   1.231 +    int log2_max_poc_lsb;              ///< log2_max_pic_order_cnt_lsb_minus4
   1.232 +    int delta_pic_order_always_zero_flag;
   1.233 +    int offset_for_non_ref_pic;
   1.234 +    int offset_for_top_to_bottom_field;
   1.235 +    int poc_cycle_length;              ///< num_ref_frames_in_pic_order_cnt_cycle
   1.236 +    int ref_frame_count;               ///< num_ref_frames
   1.237 +    int gaps_in_frame_num_allowed_flag;
   1.238 +    int mb_width;                      ///< pic_width_in_mbs_minus1 + 1
   1.239 +    int mb_height;                     ///< pic_height_in_map_units_minus1 + 1
   1.240 +    int frame_mbs_only_flag;
   1.241 +    int mb_aff;                        ///<mb_adaptive_frame_field_flag
   1.242 +    int direct_8x8_inference_flag;
   1.243 +    int crop;                   ///< frame_cropping_flag
   1.244 +    unsigned int crop_left;            ///< frame_cropping_rect_left_offset
   1.245 +    unsigned int crop_right;           ///< frame_cropping_rect_right_offset
   1.246 +    unsigned int crop_top;             ///< frame_cropping_rect_top_offset
   1.247 +    unsigned int crop_bottom;          ///< frame_cropping_rect_bottom_offset
   1.248 +    int vui_parameters_present_flag;
   1.249 +    int num,den;
   1.250 +
   1.251 +    int video_signal_type_present_flag;
   1.252 +    int full_range;
   1.253 +    int colour_description_present_flag;
   1.254 +    enum AVColorPrimaries color_primaries;
   1.255 +    enum AVColorTransferCharacteristic color_trc;
   1.256 +    enum AVColorSpace colorspace;
   1.257 +    int timing_info_present_flag;
   1.258 +    uint32_t num_units_in_tick;
   1.259 +    uint32_t time_scale;
   1.260 +    int fixed_frame_rate_flag;
   1.261 +    short offset_for_ref_frame[256]; //FIXME dyn aloc?
   1.262 +    int bitstream_restriction_flag;
   1.263 +    int num_reorder_frames;
   1.264 +    int scaling_matrix_present;
   1.265 +    uint8_t scaling_matrix4[6][16];
   1.266 +    uint8_t scaling_matrix8[2][64];
   1.267 +    int nal_hrd_parameters_present_flag;
   1.268 +    int vcl_hrd_parameters_present_flag;
   1.269 +    int pic_struct_present_flag;
   1.270 +    int time_offset_length;
   1.271 +    int cpb_cnt;                       ///< See H.264 E.1.2
   1.272 +    int initial_cpb_removal_delay_length; ///< initial_cpb_removal_delay_length_minus1 +1
   1.273 +    int cpb_removal_delay_length;      ///< cpb_removal_delay_length_minus1 + 1
   1.274 +    int dpb_output_delay_length;       ///< dpb_output_delay_length_minus1 + 1
   1.275 +    int bit_depth_luma;                ///< bit_depth_luma_minus8 + 8
   1.276 +    int bit_depth_chroma;              ///< bit_depth_chroma_minus8 + 8
   1.277 +    int residual_color_transform_flag; ///< residual_colour_transform_flag
   1.278 +}SPS;
   1.279 +
   1.280 +/**
   1.281 +* Picture parameter set
   1.282 +*/
   1.283 +typedef struct PPS{
   1.284 +    unsigned int sps_id;
   1.285 +    int cabac;                  ///< entropy_coding_mode_flag
   1.286 +    int pic_order_present;      ///< pic_order_present_flag
   1.287 +    int slice_group_count;      ///< num_slice_groups_minus1 + 1
   1.288 +    int mb_slice_group_map_type;
   1.289 +    unsigned int ref_count[2];  ///< num_ref_idx_l0/1_active_minus1 + 1
   1.290 +    int weighted_pred;          ///< weighted_pred_flag
   1.291 +    int weighted_bipred_idc;
   1.292 +    int init_qp;                ///< pic_init_qp_minus26 + 26
   1.293 +    int init_qs;                ///< pic_init_qs_minus26 + 26
   1.294 +    int chroma_qp_index_offset[2];
   1.295 +    int deblocking_filter_parameters_present; ///< deblocking_filter_parameters_present_flag
   1.296 +    int constrained_intra_pred; ///< constrained_intra_pred_flag
   1.297 +    int redundant_pic_cnt_present; ///< redundant_pic_cnt_present_flag
   1.298 +    int transform_8x8_mode;     ///< transform_8x8_mode_flag
   1.299 +    uint8_t scaling_matrix4[6][16];
   1.300 +    uint8_t scaling_matrix8[2][64];
   1.301 +    uint8_t chroma_qp_table[2][64];  ///< pre-scaled (with chroma_qp_index_offset) version of qp_table
   1.302 +    int chroma_qp_diff;
   1.303 +}PPS;
   1.304 +
   1.305 +typedef struct TopBorder{
   1.306 +    uint8_t unfiltered_y[16];
   1.307 +    uint8_t unfiltered_cb[8];
   1.308 +    uint8_t unfiltered_cr[8];
   1.309 +
   1.310 +    uint8_t top_borders_y[16*4];
   1.311 +    uint8_t top_borders_cb[8*2];
   1.312 +    uint8_t top_borders_cr[8*2];
   1.313 +}TopBorder;
   1.314 +
   1.315 +typedef struct LeftBorder{
   1.316 +    uint8_t unfiltered_y[17];
   1.317 +    uint8_t unfiltered_cb[9];
   1.318 +    uint8_t unfiltered_cr[9];
   1.319 +}LeftBorder;
   1.320 +
   1.321 +typedef struct H264Mb {
   1.322 +    //variables copied in after cabac decoding
   1.323 +    int16_t mb_x, mb_y;
   1.324 +    int32_t mb_type;
   1.325 +
   1.326 +    uint16_t cbp;                                               // coded block pattern, idct, deblock
   1.327 +    int8_t qscale_mb_xy;                                        // qp, deblock
   1.328 +    int8_t qscale_left_mb_xy; //not required
   1.329 +    int8_t qscale_top_mb_xy;
   1.330 +
   1.331 +    DECLARE_ALIGNED(8, uint16_t, sub_mb_type[4]);
   1.332 +    DECLARE_ALIGNED(8, uint8_t, non_zero_count[24]);            //idct deblock
   1.333 +    DECLARE_ALIGNED(16, int16_t, mb[16*24]);                    //coeffs, idct
   1.334 +
   1.335 +    union{
   1.336 +        struct {
   1.337 +        DECLARE_ALIGNED(8, int8_t, ref_index[2][4]);            //mc, deblock
   1.338 +        DECLARE_ALIGNED(16, int16_t, mvd[2][16][2]);            //mc, deblock
   1.339 +        };
   1.340 +        struct {
   1.341 +        DECLARE_ALIGNED(8, int8_t, intra4x4_pred_mode[16]);     //intra, deblock
   1.342 +        int8_t chroma_pred_mode;                                //intra
   1.343 +        int8_t intra16x16_pred_mode;                            //intra, deblock
   1.344 +        };
   1.345 +    };
   1.346 +
   1.347 +#if OMPSS
   1.348 +    DECLARE_ALIGNED(8, uint8_t, top_border[16+ 2*8]);
   1.349 +    DECLARE_ALIGNED(8, uint8_t, top_border_next[8]);
   1.350 +    DECLARE_ALIGNED(8, uint8_t, left_border[17+2*9]);
   1.351 +    int8_t intra4x4_pred_mode_left[4];
   1.352 +#endif
   1.353 +
   1.354 +} H264Mb;
   1.355 +
   1.356 +typedef struct RawFrame {
   1.357 +    uint8_t *data;
   1.358 +    int size;
   1.359 +    unsigned int data_size;
   1.360 +    int64_t pos;                            ///< byte position in stream, -1 if unknown
   1.361 +    int state;
   1.362 +} RawFrame;
   1.363 +
   1.364 +typedef struct PictureInfo{
   1.365 +    int ref_poc[2][16];      ///< h264 POCs of the frames used as reference
   1.366 +    int ref_count[2];        ///< number of entries in ref_poc
   1.367 +    int poc;                    ///< h264 frame POC
   1.368 +    int frame_num;              ///< h264 frame_num (raw frame_num from slice header)
   1.369 +    int pic_id;
   1.370 +    int long_ref;
   1.371 +    int cpn;                    ///coded picture number
   1.372 +    int slice_type_nos;
   1.373 +//     int key_frame;
   1.374 +//     int mmco_reset;             ///< h264 MMCO_RESET set this 1. Reordering code must not mix pictures before and after MMCO_RESET.
   1.375 +
   1.376 +    int reference;  //Set to 4 for delayed, non-reference frames. 1-3 for reference. FIXME
   1.377 +
   1.378 +}PictureInfo;
   1.379 +
   1.380 +typedef struct DecodedPicture{
   1.381 +    int16_t (*motion_val[2])[2];
   1.382 +    int16_t (*motion_val_base[2])[2];
   1.383 +
   1.384 +    /**
   1.385 +    * motion reference frame index
   1.386 +    * the order in which these are stored can depend on the codec.
   1.387 +    * - encoding: Set by user.
   1.388 +    * - decoding: Set by libavcodec.
   1.389 +    */
   1.390 +    int8_t *ref_index[2];
   1.391 +    uint32_t *mb_type;          //mb_type_base + mb_width + 2
   1.392 +    uint32_t *mb_type_base;
   1.393 +
   1.394 +    int8_t *intra4x4_pred_mode;
   1.395 +    int8_t *non_zero_count;
   1.396 +
   1.397 +    uint8_t *data[3]; //point to first pixel in the frame
   1.398 +    int linesize[3];
   1.399 +    uint8_t *base[3]; //base of picture planes
   1.400 +
   1.401 +    int cpn;                /// coded picture number
   1.402 +    int poc;                    ///< h264 frame POC
   1.403 +    int reference;  // 0 -> free, 1 -> needs to be displayed, 2 -> needed for reference, 3 -> 1 && 2
   1.404 +    int key_frame;
   1.405 +    int mmco_reset;             ///< h264 MMCO_RESET set this 1. Reordering code must not mix pictures before and after MMCO_RESET.
   1.406 +
   1.407 +} DecodedPicture;
   1.408 +
   1.409 +
   1.410 +#endif /* AVCODEC_AVCODEC_H */