hvirtual/quicktime/ffmpeg/libavcodec/avcodec.h

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#ifndef AVCODEC_H
#define AVCODEC_H

#ifdef __cplusplus
extern "C" {
#endif

#include "common.h"
#include "rational.h"
#include <sys/types.h> /* size_t */

#define FFMPEG_VERSION_INT     0x000409
#define FFMPEG_VERSION         "CVS"
#define LIBAVCODEC_BUILD       4759


#define LIBAVCODEC_VERSION_INT FFMPEG_VERSION_INT
#define LIBAVCODEC_VERSION     FFMPEG_VERSION

#define AV_STRINGIFY(s) AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
#define LIBAVCODEC_IDENT        "FFmpeg" LIBAVCODEC_VERSION "b" AV_STRINGIFY(LIBAVCODEC_BUILD)

#define AV_NOPTS_VALUE int64_t_C(0x8000000000000000)
#define AV_TIME_BASE 1000000
#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}

enum CodecID {
    CODEC_ID_NONE, 
    CODEC_ID_MPEG1VIDEO,
    CODEC_ID_MPEG2VIDEO, /* prefered ID for MPEG Video 1 or 2 decoding */
    CODEC_ID_MPEG2VIDEO_XVMC,
    CODEC_ID_H261,
    CODEC_ID_H263,
    CODEC_ID_RV10,
    CODEC_ID_RV20,
    CODEC_ID_MJPEG,
    CODEC_ID_MJPEGB,
    CODEC_ID_LJPEG,
    CODEC_ID_SP5X,
    CODEC_ID_MPEG4,
    CODEC_ID_RAWVIDEO,
    CODEC_ID_MSMPEG4V1,
    CODEC_ID_MSMPEG4V2,
    CODEC_ID_MSMPEG4V3,
    CODEC_ID_WMV1,
    CODEC_ID_WMV2,
    CODEC_ID_H263P,
    CODEC_ID_H263I,
    CODEC_ID_FLV1,
    CODEC_ID_SVQ1,
    CODEC_ID_SVQ3,
    CODEC_ID_DVVIDEO,
    CODEC_ID_HUFFYUV,
    CODEC_ID_CYUV,
    CODEC_ID_H264,
    CODEC_ID_INDEO3,
    CODEC_ID_VP3,
    CODEC_ID_THEORA,
    CODEC_ID_ASV1,
    CODEC_ID_ASV2,
    CODEC_ID_FFV1,
    CODEC_ID_4XM,
    CODEC_ID_VCR1,
    CODEC_ID_CLJR,
    CODEC_ID_MDEC,
    CODEC_ID_ROQ,
    CODEC_ID_INTERPLAY_VIDEO,
    CODEC_ID_XAN_WC3,
    CODEC_ID_XAN_WC4,
    CODEC_ID_RPZA,
    CODEC_ID_CINEPAK,
    CODEC_ID_WS_VQA,
    CODEC_ID_MSRLE,
    CODEC_ID_MSVIDEO1,
    CODEC_ID_IDCIN,
    CODEC_ID_8BPS,
    CODEC_ID_SMC,
    CODEC_ID_FLIC,
    CODEC_ID_TRUEMOTION1,
    CODEC_ID_VMDVIDEO,
    CODEC_ID_MSZH,
    CODEC_ID_ZLIB,
    CODEC_ID_QTRLE,
    CODEC_ID_SNOW,
    CODEC_ID_TSCC,
    CODEC_ID_ULTI,
    CODEC_ID_QDRAW,
    CODEC_ID_VIXL,
    CODEC_ID_QPEG,
    CODEC_ID_XVID,
    CODEC_ID_PNG,
    CODEC_ID_PPM,
    CODEC_ID_PBM,
    CODEC_ID_PGM,
    CODEC_ID_PGMYUV,
    CODEC_ID_PAM,
    CODEC_ID_FFVHUFF,
    CODEC_ID_RV30,
    CODEC_ID_RV40,
    CODEC_ID_VC9,
    CODEC_ID_WMV3,
    CODEC_ID_LOCO,
    CODEC_ID_WNV1,
    CODEC_ID_AASC,
    CODEC_ID_INDEO2,
    CODEC_ID_FRAPS,

    /* various pcm "codecs" */
    CODEC_ID_PCM_S16LE= 0x10000,
    CODEC_ID_PCM_S16BE,
    CODEC_ID_PCM_U16LE,
    CODEC_ID_PCM_U16BE,
    CODEC_ID_PCM_S8,
    CODEC_ID_PCM_U8,
    CODEC_ID_PCM_MULAW,
    CODEC_ID_PCM_ALAW,

    /* various adpcm codecs */
    CODEC_ID_ADPCM_IMA_QT= 0x11000,
    CODEC_ID_ADPCM_IMA_WAV,
    CODEC_ID_ADPCM_IMA_DK3,
    CODEC_ID_ADPCM_IMA_DK4,
    CODEC_ID_ADPCM_IMA_WS,
    CODEC_ID_ADPCM_IMA_SMJPEG,
    CODEC_ID_ADPCM_MS,
    CODEC_ID_ADPCM_4XM,
    CODEC_ID_ADPCM_XA,
    CODEC_ID_ADPCM_ADX,
    CODEC_ID_ADPCM_EA,
    CODEC_ID_ADPCM_G726,
    CODEC_ID_ADPCM_CT,
    CODEC_ID_ADPCM_SWF,
    CODEC_ID_ADPCM_YAMAHA,

    /* AMR */
    CODEC_ID_AMR_NB= 0x12000,
    CODEC_ID_AMR_WB,

    /* RealAudio codecs*/
    CODEC_ID_RA_144= 0x13000,
    CODEC_ID_RA_288,

    /* various DPCM codecs */
    CODEC_ID_ROQ_DPCM= 0x14000,
    CODEC_ID_INTERPLAY_DPCM,
    CODEC_ID_XAN_DPCM,
    CODEC_ID_SOL_DPCM,
    
    CODEC_ID_MP2= 0x15000,
    CODEC_ID_MP3, /* prefered ID for MPEG Audio layer 1, 2 or3 decoding */
    CODEC_ID_AAC,
    CODEC_ID_MPEG4AAC,
    CODEC_ID_AC3,
    CODEC_ID_DTS,
    CODEC_ID_VORBIS,
    CODEC_ID_DVAUDIO,
    CODEC_ID_WMAV1,
    CODEC_ID_WMAV2,
    CODEC_ID_MACE3,
    CODEC_ID_MACE6,
    CODEC_ID_VMDAUDIO,
    CODEC_ID_SONIC,
    CODEC_ID_SONIC_LS,
    CODEC_ID_FLAC,
    CODEC_ID_MP3ADU,
    CODEC_ID_MP3ON4,
    CODEC_ID_SHORTEN,
    CODEC_ID_ALAC,
    CODEC_ID_WESTWOOD_SND1,
    CODEC_ID_GSM,    
    
    CODEC_ID_OGGTHEORA= 0x16000, 

    /* subtitle codecs */
    CODEC_ID_DVD_SUBTITLE= 0x17000, 
    CODEC_ID_DVB_SUBTITLE, 
    
    CODEC_ID_MPEG2TS= 0x20000, /* _FAKE_ codec to indicate a raw MPEG2 transport
                         stream (only used by libavformat) */
};

/* CODEC_ID_MP3LAME is absolete */
#define CODEC_ID_MP3LAME CODEC_ID_MP3

enum CodecType {
    CODEC_TYPE_UNKNOWN = -1,
    CODEC_TYPE_VIDEO,
    CODEC_TYPE_AUDIO,
    CODEC_TYPE_DATA,
    CODEC_TYPE_SUBTITLE,
};

enum PixelFormat {
    PIX_FMT_NONE= -1,
    PIX_FMT_YUV420P,   
    PIX_FMT_YUV422,    
    PIX_FMT_RGB24,     
    PIX_FMT_BGR24,     
    PIX_FMT_YUV422P,   
    PIX_FMT_YUV444P,   
    PIX_FMT_RGBA32,    
    PIX_FMT_YUV410P,   
    PIX_FMT_YUV411P,   
    PIX_FMT_RGB565,    
    PIX_FMT_RGB555,    
    PIX_FMT_GRAY8,
    PIX_FMT_MONOWHITE, 
    PIX_FMT_MONOBLACK, 
    PIX_FMT_PAL8,      
    PIX_FMT_YUVJ420P,  
    PIX_FMT_YUVJ422P,  
    PIX_FMT_YUVJ444P,  
    PIX_FMT_XVMC_MPEG2_MC,
    PIX_FMT_XVMC_MPEG2_IDCT,
    PIX_FMT_UYVY422,   
    PIX_FMT_UYVY411,   
    PIX_FMT_NB,
};

/* currently unused, may be used if 24/32 bits samples ever supported */
enum SampleFormat {
    SAMPLE_FMT_S16 = 0,         
    SAMPLE_FMT_S32,             
    SAMPLE_FMT_FLT,             
    SAMPLE_FMT_DBL,             
};

/* in bytes */
#define AVCODEC_MAX_AUDIO_FRAME_SIZE 131072

#define FF_INPUT_BUFFER_PADDING_SIZE 8

#define FF_MIN_BUFFER_SIZE 16384

/* motion estimation type, EPZS by default */
enum Motion_Est_ID {
    ME_ZERO = 1,
    ME_FULL,
    ME_LOG,
    ME_PHODS,
    ME_EPZS,
    ME_X1
};

enum AVRounding {
    AV_ROUND_ZERO     = 0, 
    AV_ROUND_INF      = 1, 
    AV_ROUND_DOWN     = 2, 
    AV_ROUND_UP       = 3, 
    AV_ROUND_NEAR_INF = 5, 
};

enum AVDiscard{
//we leave some space between them for extensions (drop some keyframes for intra only or drop just some bidir frames)
    AVDISCARD_NONE   =-16, 
    AVDISCARD_DEFAULT=  0, 
    AVDISCARD_NONREF =  8, 
    AVDISCARD_BIDIR  = 16, 
    AVDISCARD_NONKEY = 32, 
    AVDISCARD_ALL    = 48, 
};

typedef struct RcOverride{
    int start_frame;
    int end_frame;
    int qscale; // if this is 0 then quality_factor will be used instead
    float quality_factor;
} RcOverride;

/* only for ME compatiblity with old apps */
extern int motion_estimation_method;

#define FF_MAX_B_FRAMES 8

/* encoding support
   these flags can be passed in AVCodecContext.flags before initing 
   Note: not everything is supported yet.
*/

#define CODEC_FLAG_QSCALE 0x0002  
#define CODEC_FLAG_4MV    0x0004  
#define CODEC_FLAG_QPEL   0x0010  
#define CODEC_FLAG_GMC    0x0020  
#define CODEC_FLAG_MV0    0x0040  
#define CODEC_FLAG_PART   0x0080  
/* parent program gurantees that the input for b-frame containing streams is not written to 
   for at least s->max_b_frames+1 frames, if this is not set than the input will be copied */
#define CODEC_FLAG_INPUT_PRESERVED 0x0100
#define CODEC_FLAG_PASS1 0x0200   
#define CODEC_FLAG_PASS2 0x0400   
#define CODEC_FLAG_EXTERN_HUFF 0x1000 
#define CODEC_FLAG_GRAY  0x2000   
#define CODEC_FLAG_EMU_EDGE 0x4000
#define CODEC_FLAG_PSNR           0x8000 
#define CODEC_FLAG_TRUNCATED  0x00010000 
#define CODEC_FLAG_NORMALIZE_AQP  0x00020000 
#define CODEC_FLAG_INTERLACED_DCT 0x00040000 
#define CODEC_FLAG_LOW_DELAY      0x00080000 
#define CODEC_FLAG_ALT_SCAN       0x00100000 
#define CODEC_FLAG_TRELLIS_QUANT  0x00200000 
#define CODEC_FLAG_GLOBAL_HEADER  0x00400000 
#define CODEC_FLAG_BITEXACT       0x00800000 
/* Fx : Flag for h263+ extra options */
#define CODEC_FLAG_H263P_AIC      0x01000000 
#define CODEC_FLAG_AC_PRED        0x01000000 
#define CODEC_FLAG_H263P_UMV      0x02000000 
#define CODEC_FLAG_CBP_RD         0x04000000 
#define CODEC_FLAG_QP_RD          0x08000000 
#define CODEC_FLAG_H263P_AIV      0x00000008 
#define CODEC_FLAG_OBMC           0x00000001 
#define CODEC_FLAG_LOOP_FILTER    0x00000800 
#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
#define CODEC_FLAG_INTERLACED_ME  0x20000000 
#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 
#define CODEC_FLAG_CLOSED_GOP     0x80000000
#define CODEC_FLAG2_FAST          0x00000001 
#define CODEC_FLAG2_STRICT_GOP    0x00000002 
#define CODEC_FLAG2_NO_OUTPUT     0x00000004 
#define CODEC_FLAG2_LOCAL_HEADER  0x00000008 

/* Unsupported options :
 *              Syntax Arithmetic coding (SAC)
 *              Reference Picture Selection
 *              Independant Segment Decoding */
/* /Fx */
/* codec capabilities */

#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 

#define CODEC_CAP_DR1             0x0002
/* if 'parse_only' field is true, then avcodec_parse_frame() can be
   used */
#define CODEC_CAP_PARSE_ONLY      0x0004
#define CODEC_CAP_TRUNCATED       0x0008
/* codec can export data for HW decoding (XvMC) */
#define CODEC_CAP_HWACCEL         0x0010

#define CODEC_CAP_DELAY           0x0020

//the following defines may change, don't expect compatibility if you use them
#define MB_TYPE_INTRA4x4   0x0001
#define MB_TYPE_INTRA16x16 0x0002 //FIXME h264 specific
#define MB_TYPE_INTRA_PCM  0x0004 //FIXME h264 specific
#define MB_TYPE_16x16      0x0008
#define MB_TYPE_16x8       0x0010
#define MB_TYPE_8x16       0x0020
#define MB_TYPE_8x8        0x0040
#define MB_TYPE_INTERLACED 0x0080
#define MB_TYPE_DIRECT2     0x0100 //FIXME
#define MB_TYPE_ACPRED     0x0200
#define MB_TYPE_GMC        0x0400
#define MB_TYPE_SKIP       0x0800
#define MB_TYPE_P0L0       0x1000
#define MB_TYPE_P1L0       0x2000
#define MB_TYPE_P0L1       0x4000
#define MB_TYPE_P1L1       0x8000
#define MB_TYPE_L0         (MB_TYPE_P0L0 | MB_TYPE_P1L0)
#define MB_TYPE_L1         (MB_TYPE_P0L1 | MB_TYPE_P1L1)
#define MB_TYPE_L0L1       (MB_TYPE_L0   | MB_TYPE_L1)
#define MB_TYPE_QUANT      0x00010000
#define MB_TYPE_CBP        0x00020000
//Note bits 24-31 are reserved for codec specific use (h264 ref0, mpeg1 0mv, ...)

typedef struct AVPanScan{
    int id;

    int width;
    int height;

    int16_t position[3][2];
}AVPanScan;

#define FF_COMMON_FRAME \
\
    uint8_t *data[4];\
    int linesize[4];\
\
    uint8_t *base[4];\
\
    int key_frame;\
\
\
    int pict_type;\
\
\
    int64_t pts;\
\
\
    int coded_picture_number;\
\
    int display_picture_number;\
\
\
    int quality; \
\
\
    int age;\
\
\
    int reference;\
\
\
    int8_t *qscale_table;\
\
    int qstride;\
\
\
    uint8_t *mbskip_table;\
\
\
    int16_t (*motion_val[2])[2];\
\
\
    uint32_t *mb_type;\
\
\
    uint8_t motion_subsample_log2;\
\
\
    void *opaque;\
\
\
    uint64_t error[4];\
\
\
    int type;\
    \
\
    int repeat_pict;\
    \
\
    int qscale_type;\
    \
\
    int interlaced_frame;\
    \
\
    int top_field_first;\
    \
\
    AVPanScan *pan_scan;\
    \
\
    int palette_has_changed;\
    \
\
    int buffer_hints;\
\
\
    short *dct_coeff;\
\
\
    int8_t *ref_index[2];

#define FF_QSCALE_TYPE_MPEG1    0
#define FF_QSCALE_TYPE_MPEG2    1

#define FF_BUFFER_TYPE_INTERNAL 1
#define FF_BUFFER_TYPE_USER     2 
#define FF_BUFFER_TYPE_SHARED   4 
#define FF_BUFFER_TYPE_COPY     8 


#define FF_I_TYPE 1 // Intra
#define FF_P_TYPE 2 // Predicted
#define FF_B_TYPE 3 // Bi-dir predicted
#define FF_S_TYPE 4 // S(GMC)-VOP MPEG4
#define FF_SI_TYPE 5
#define FF_SP_TYPE 6

#define FF_BUFFER_HINTS_VALID    0x01 // Buffer hints value is meaningful (if 0 ignore)
#define FF_BUFFER_HINTS_READABLE 0x02 // Codec will read from buffer
#define FF_BUFFER_HINTS_PRESERVE 0x04 // User must not alter buffer content
#define FF_BUFFER_HINTS_REUSABLE 0x08 // Codec will reuse the buffer (update)

typedef struct AVFrame {
    FF_COMMON_FRAME
} AVFrame;

#define DEFAULT_FRAME_RATE_BASE 1001000

typedef struct AVCLASS AVClass;
struct AVCLASS {
    const char* class_name;
    const char* (*item_name)(void*); /* actually passing a pointer to an AVCodecContext
                                        or AVFormatContext, which begin with an AVClass.
                                        Needed because av_log is in libavcodec and has no visibility
                                        of AVIn/OutputFormat */
};

typedef struct AVCodecContext {
    AVClass *av_class;
    int bit_rate;

    int bit_rate_tolerance; 

    int flags;

    int sub_id;

    int me_method;

    void *extradata;
    int extradata_size;
    
    /* video only */
    AVRational time_base;
    
    int width, height;
    
#define FF_ASPECT_EXTENDED 15

    int gop_size;

    enum PixelFormat pix_fmt;
 
    int rate_emu;
       
    void (*draw_horiz_band)(struct AVCodecContext *s,
                            const AVFrame *src, int offset[4],
                            int y, int type, int height);

    /* audio only */
    int sample_rate; 
    int channels;

    enum SampleFormat sample_fmt;  

    /* the following data should not be initialized */
    int frame_size;
    int frame_number;   
    int real_pict_num;  
    
    int delay;
    
    /* - encoding parameters */
    float qcompress;  
    float qblur;      
    
    int qmin;

    int qmax;

    int max_qdiff;

    int max_b_frames;

    float b_quant_factor;
    
    int rc_strategy;
    int b_frame_strategy;

    int hurry_up;
    
    struct AVCodec *codec;
    
    void *priv_data;

    /* unused, FIXME remove*/
    int rtp_mode;
    
    int rtp_payload_size;   /* The size of the RTP payload: the coder will  */
                            /* do it's best to deliver a chunk with size    */
                            /* below rtp_payload_size, the chunk will start */
                            /* with a start code on some codecs like H.263  */
                            /* This doesn't take account of any particular  */
                            /* headers inside the transmited RTP payload    */

    
    /* The RTP callback: This function is called   */
    /* every time the encoder has a packet to send */
    /* Depends on the encoder if the data starts   */
    /* with a Start Code (it should) H.263 does.   */
    /* mb_nb contains the number of macroblocks    */
    /* encoded in the RTP payload                  */
    void (*rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb); 

    /* statistics, used for 2-pass encoding */
    int mv_bits;
    int header_bits;
    int i_tex_bits;
    int p_tex_bits;
    int i_count;
    int p_count;
    int skip_count;
    int misc_bits;
    
    int frame_bits;

    void *opaque;

    char codec_name[32];
    enum CodecType codec_type; /* see CODEC_TYPE_xxx */
    enum CodecID codec_id; /* see CODEC_ID_xxx */
    
    unsigned int codec_tag;
    
    int workaround_bugs;
#define FF_BUG_AUTODETECT       1  
#define FF_BUG_OLD_MSMPEG4      2
#define FF_BUG_XVID_ILACE       4
#define FF_BUG_UMP4             8
#define FF_BUG_NO_PADDING       16
#define FF_BUG_AMV              32
#define FF_BUG_AC_VLC           0  
#define FF_BUG_QPEL_CHROMA      64
#define FF_BUG_STD_QPEL         128
#define FF_BUG_QPEL_CHROMA2     256
#define FF_BUG_DIRECT_BLOCKSIZE 512
#define FF_BUG_EDGE             1024
#define FF_BUG_HPEL_CHROMA      2048
#define FF_BUG_DC_CLIP          4096
#define FF_BUG_MS               8192 
//#define FF_BUG_FAKE_SCALABILITY 16 //autodetection should work 100%
        
    int luma_elim_threshold;
    
    int chroma_elim_threshold;
    
    int strict_std_compliance;
#define FF_COMPLIANCE_VERY_STRICT   2 
#define FF_COMPLIANCE_STRICT        1 
#define FF_COMPLIANCE_NORMAL        0
#define FF_COMPLIANCE_INOFFICIAL   -1 
#define FF_COMPLIANCE_EXPERIMENTAL -2 


    float b_quant_offset;
    
    int error_resilience;
#define FF_ER_CAREFUL         1
#define FF_ER_COMPLIANT       2
#define FF_ER_AGGRESSIVE      3
#define FF_ER_VERY_AGGRESSIVE 4
    
    int (*get_buffer)(struct AVCodecContext *c, AVFrame *pic);
    
    void (*release_buffer)(struct AVCodecContext *c, AVFrame *pic);

    int has_b_frames;

    int block_align;
    
    int parse_only; /* - decoding only: if true, only parsing is done
                       (function avcodec_parse_frame()). The frame
                       data is returned. Only MPEG codecs support this now. */
    
    int mpeg_quant;
    
    char *stats_out;
    
    char *stats_in;
    
    float rc_qsquish;

    float rc_qmod_amp;
    int rc_qmod_freq;
    
    RcOverride *rc_override;
    int rc_override_count;
    
    char *rc_eq;
    
    int rc_max_rate;
    
    int rc_min_rate;
    
    int rc_buffer_size;
    float rc_buffer_aggressivity;

    float i_quant_factor;
    
    float i_quant_offset;
    
    float rc_initial_cplx;

    int dct_algo;
#define FF_DCT_AUTO    0
#define FF_DCT_FASTINT 1
#define FF_DCT_INT     2
#define FF_DCT_MMX     3
#define FF_DCT_MLIB    4
#define FF_DCT_ALTIVEC 5
#define FF_DCT_FAAN    6
    
    float lumi_masking;
    
    float temporal_cplx_masking;
    
    float spatial_cplx_masking;
    
    float p_masking;

    float dark_masking;
    
    
    /* for binary compatibility */
    int unused;
    
    int idct_algo;
#define FF_IDCT_AUTO         0
#define FF_IDCT_INT          1
#define FF_IDCT_SIMPLE       2
#define FF_IDCT_SIMPLEMMX    3
#define FF_IDCT_LIBMPEG2MMX  4
#define FF_IDCT_PS2          5
#define FF_IDCT_MLIB         6
#define FF_IDCT_ARM          7
#define FF_IDCT_ALTIVEC      8
#define FF_IDCT_SH4          9
#define FF_IDCT_SIMPLEARM    10
#define FF_IDCT_H264         11
#define FF_IDCT_VP3          12
#define FF_IDCT_IPP          13

    int slice_count;
    int *slice_offset;

    int error_concealment;
#define FF_EC_GUESS_MVS   1
#define FF_EC_DEBLOCK     2

    unsigned dsp_mask;
#define FF_MM_FORCE     0x80000000 /* force usage of selected flags (OR) */
    /* lower 16 bits - CPU features */
#ifdef HAVE_MMX
#define FF_MM_MMX       0x0001 /* standard MMX */
#define FF_MM_3DNOW     0x0004 /* AMD 3DNOW */
#define FF_MM_MMXEXT    0x0002 /* SSE integer functions or AMD MMX ext */
#define FF_MM_SSE       0x0008 /* SSE functions */
#define FF_MM_SSE2      0x0010 /* PIV SSE2 functions */
#define FF_MM_3DNOWEXT  0x0020 /* AMD 3DNowExt */
#endif /* HAVE_MMX */
#ifdef HAVE_IWMMXT
#define FF_MM_IWMMXT    0x0100 /* XScale IWMMXT */
#endif /* HAVE_IWMMXT */

     int bits_per_sample;
    
     int prediction_method;
#define FF_PRED_LEFT   0
#define FF_PRED_PLANE  1
#define FF_PRED_MEDIAN 2
    
    AVRational sample_aspect_ratio;

    AVFrame *coded_frame;

    int debug;
#define FF_DEBUG_PICT_INFO 1
#define FF_DEBUG_RC        2
#define FF_DEBUG_BITSTREAM 4
#define FF_DEBUG_MB_TYPE   8
#define FF_DEBUG_QP        16
#define FF_DEBUG_MV        32
#define FF_DEBUG_DCT_COEFF 0x00000040
#define FF_DEBUG_SKIP      0x00000080
#define FF_DEBUG_STARTCODE 0x00000100
#define FF_DEBUG_PTS       0x00000200
#define FF_DEBUG_ER        0x00000400
#define FF_DEBUG_MMCO      0x00000800
#define FF_DEBUG_BUGS      0x00001000
#define FF_DEBUG_VIS_QP    0x00002000
#define FF_DEBUG_VIS_MB_TYPE 0x00004000
    
    int debug_mv;
#define FF_DEBUG_VIS_MV_P_FOR  0x00000001 //visualize forward predicted MVs of P frames
#define FF_DEBUG_VIS_MV_B_FOR  0x00000002 //visualize forward predicted MVs of B frames
#define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames

    uint64_t error[4];
    
    int mb_qmin;

    int mb_qmax;
    
    int me_cmp;
    int me_sub_cmp;
    int mb_cmp;
    int ildct_cmp;
#define FF_CMP_SAD  0
#define FF_CMP_SSE  1
#define FF_CMP_SATD 2
#define FF_CMP_DCT  3
#define FF_CMP_PSNR 4
#define FF_CMP_BIT  5
#define FF_CMP_RD   6
#define FF_CMP_ZERO 7
#define FF_CMP_VSAD 8
#define FF_CMP_VSSE 9
#define FF_CMP_NSSE 10
#define FF_CMP_W53  11
#define FF_CMP_W97  12
#define FF_CMP_DCTMAX 13
#define FF_CMP_CHROMA 256
    
    int dia_size;

    int last_predictor_count;

    int pre_me;

    int me_pre_cmp;

    int pre_dia_size;

    int me_subpel_quality;

    enum PixelFormat (*get_format)(struct AVCodecContext *s, const enum PixelFormat * fmt);

    int dtg_active_format;
#define FF_DTG_AFD_SAME         8
#define FF_DTG_AFD_4_3          9
#define FF_DTG_AFD_16_9         10
#define FF_DTG_AFD_14_9         11
#define FF_DTG_AFD_4_3_SP_14_9  13
#define FF_DTG_AFD_16_9_SP_14_9 14
#define FF_DTG_AFD_SP_4_3       15

    int me_range;

    int intra_quant_bias;
#define FF_DEFAULT_QUANT_BIAS 999999
    
    int inter_quant_bias;

    int color_table_id;
    
    int internal_buffer_count;
    
    void *internal_buffer;

#define FF_LAMBDA_SHIFT 7
#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
#define FF_QP2LAMBDA 118 
#define FF_LAMBDA_MAX (256*128-1)

#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove

    int global_quality;
    
#define FF_CODER_TYPE_VLC   0
#define FF_CODER_TYPE_AC    1

    int coder_type;

    int context_model;
    
    int slice_flags;
#define SLICE_FLAG_CODED_ORDER    0x0001 
#define SLICE_FLAG_ALLOW_FIELD    0x0002 
#define SLICE_FLAG_ALLOW_PLANE    0x0004 


    int xvmc_acceleration;
    
    int mb_decision;
#define FF_MB_DECISION_SIMPLE 0        
#define FF_MB_DECISION_BITS   1        
#define FF_MB_DECISION_RD     2        


    uint16_t *intra_matrix;

    uint16_t *inter_matrix;
    
    unsigned int stream_codec_tag;

    int scenechange_threshold;

    int lmin;

    int lmax;

    struct AVPaletteControl *palctrl;

    int noise_reduction;
    
    int (*reget_buffer)(struct AVCodecContext *c, AVFrame *pic);

    int rc_initial_buffer_occupancy;

    int inter_threshold;

    int flags2;

    int error_rate;
    
    int antialias_algo;
#define FF_AA_AUTO    0
#define FF_AA_FASTINT 1 //not implemented yet
#define FF_AA_INT     2
#define FF_AA_FLOAT   3

    int quantizer_noise_shaping;

    int thread_count;
    
    int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void **arg2, int *ret, int count);
    
    void *thread_opaque;

     int me_threshold;

     int mb_threshold;

     int intra_dc_precision;

     int nsse_weight;

     int skip_top;

     int skip_bottom;

     int profile;
#define FF_PROFILE_UNKNOWN -99

     int level;
#define FF_LEVEL_UNKNOWN -99

     int lowres;

    int coded_width, coded_height;

    int frame_skip_threshold;

    int frame_skip_factor;

    int frame_skip_exp;

    int frame_skip_cmp;

    float border_masking;

    int mb_lmin;

    int mb_lmax;

    int me_penalty_compensation;

    enum AVDiscard skip_loop_filter;

    enum AVDiscard skip_idct;

    enum AVDiscard skip_frame;
} AVCodecContext;


typedef struct AVOption {
    const char *name; /* if name is NULL, it indicates a link to next */
    const char *help; //        const struct AVOption* sub;
    int offset;
    int type;
#define FF_OPT_TYPE_BOOL 1      
#define FF_OPT_TYPE_DOUBLE 2    
#define FF_OPT_TYPE_INT 3       
#define FF_OPT_TYPE_STRING 4    
#define FF_OPT_TYPE_MASK 0x1f   
//#define FF_OPT_TYPE_EXPERT 0x20 // flag for expert option
#define FF_OPT_TYPE_FLAG (FF_OPT_TYPE_BOOL | 0x40)
#define FF_OPT_TYPE_RCOVERRIDE (FF_OPT_TYPE_STRING | 0x80)

    double min;
    double max;
    double defval;
    const char *defstr;
#define FF_OPT_MAX_DEPTH 10
} AVOption;

typedef struct AVCodec {
    const char *name;
    enum CodecType type;
    enum CodecID id;
    int priv_data_size;
    int (*init)(AVCodecContext *);
    int (*encode)(AVCodecContext *, uint8_t *buf, int buf_size, void *data);
    int (*close)(AVCodecContext *);
    int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
                  uint8_t *buf, int buf_size);
    int capabilities;
    void *dummy; // FIXME remove next time we break binary compatibility
    struct AVCodec *next;
    void (*flush)(AVCodecContext *);
    const AVRational *supported_framerates; 
    const enum PixelFormat *pix_fmts;       
} AVCodec;

typedef struct AVPicture {
    uint8_t *data[4];
    int linesize[4];       
} AVPicture;

#define AVPALETTE_SIZE 1024
#define AVPALETTE_COUNT 256
typedef struct AVPaletteControl {

    /* demuxer sets this to 1 to indicate the palette has changed;
     * decoder resets to 0 */
    int palette_changed;

    /* 4-byte ARGB palette entries, stored in native byte order; note that
     * the individual palette components should be on a 8-bit scale; if
     * the palette data comes from a IBM VGA native format, the component
     * data is probably 6 bits in size and needs to be scaled */
    unsigned int palette[AVPALETTE_COUNT];

} AVPaletteControl;

typedef struct AVSubtitleRect {
    uint16_t x;
    uint16_t y;
    uint16_t w;
    uint16_t h;
    uint16_t nb_colors;
    int linesize;
    uint32_t *rgba_palette;
    uint8_t *bitmap;
} AVSubtitleRect;

typedef struct AVSubtitle {
    uint16_t format; /* 0 = graphics */
    uint32_t start_display_time; /* relative to packet pts, in ms */
    uint32_t end_display_time; /* relative to packet pts, in ms */
    uint32_t num_rects;
    AVSubtitleRect *rects;
} AVSubtitle;

extern AVCodec ac3_encoder;
extern AVCodec mp2_encoder;
extern AVCodec mp3lame_encoder;
extern AVCodec oggvorbis_encoder;
extern AVCodec oggtheora_encoder;
extern AVCodec faac_encoder;
extern AVCodec xvid_encoder;
extern AVCodec mpeg1video_encoder;
extern AVCodec mpeg2video_encoder;
extern AVCodec h261_encoder;
extern AVCodec h263_encoder;
extern AVCodec h263p_encoder;
extern AVCodec flv_encoder;
extern AVCodec rv10_encoder;
extern AVCodec rv20_encoder;
extern AVCodec dvvideo_encoder;
extern AVCodec mjpeg_encoder;
extern AVCodec ljpeg_encoder;
extern AVCodec png_encoder;
extern AVCodec ppm_encoder;
extern AVCodec pgm_encoder;
extern AVCodec pgmyuv_encoder;
extern AVCodec pbm_encoder;
extern AVCodec pam_encoder;
extern AVCodec mpeg4_encoder;
extern AVCodec msmpeg4v1_encoder;
extern AVCodec msmpeg4v2_encoder;
extern AVCodec msmpeg4v3_encoder;
extern AVCodec wmv1_encoder;
extern AVCodec wmv2_encoder;
extern AVCodec huffyuv_encoder;
extern AVCodec ffvhuff_encoder;
extern AVCodec h264_encoder;
extern AVCodec asv1_encoder;
extern AVCodec asv2_encoder;
extern AVCodec vcr1_encoder;
extern AVCodec ffv1_encoder;
extern AVCodec snow_encoder;
extern AVCodec mdec_encoder;
extern AVCodec zlib_encoder;
extern AVCodec sonic_encoder;
extern AVCodec sonic_ls_encoder;
extern AVCodec svq1_encoder;
extern AVCodec x264_encoder;

extern AVCodec h263_decoder;
extern AVCodec h261_decoder;
extern AVCodec mpeg4_decoder;
extern AVCodec msmpeg4v1_decoder;
extern AVCodec msmpeg4v2_decoder;
extern AVCodec msmpeg4v3_decoder;
extern AVCodec wmv1_decoder;
extern AVCodec wmv2_decoder;
extern AVCodec vc9_decoder;
extern AVCodec wmv3_decoder;
extern AVCodec mpeg1video_decoder;
extern AVCodec mpeg2video_decoder;
extern AVCodec mpegvideo_decoder;
extern AVCodec mpeg_xvmc_decoder;
extern AVCodec h263i_decoder;
extern AVCodec flv_decoder;
extern AVCodec rv10_decoder;
extern AVCodec rv20_decoder;
extern AVCodec rv30_decoder;
extern AVCodec rv40_decoder;
extern AVCodec svq1_decoder;
extern AVCodec svq3_decoder;
extern AVCodec dvvideo_decoder;
extern AVCodec wmav1_decoder;
extern AVCodec wmav2_decoder;
extern AVCodec mjpeg_decoder;
extern AVCodec mjpegb_decoder;
extern AVCodec sp5x_decoder;
extern AVCodec png_decoder;
extern AVCodec mp2_decoder;
extern AVCodec mp3_decoder;
extern AVCodec mp3adu_decoder;
extern AVCodec mp3on4_decoder;
extern AVCodec mace3_decoder;
extern AVCodec mace6_decoder;
extern AVCodec huffyuv_decoder;
extern AVCodec ffvhuff_decoder;
extern AVCodec oggvorbis_decoder;
extern AVCodec oggtheora_decoder;
extern AVCodec cyuv_decoder;
extern AVCodec h264_decoder;
extern AVCodec indeo3_decoder;
extern AVCodec vp3_decoder;
extern AVCodec theora_decoder;
extern AVCodec amr_nb_decoder;
extern AVCodec amr_nb_encoder;
extern AVCodec amr_wb_encoder;
extern AVCodec amr_wb_decoder;
extern AVCodec aac_decoder;
extern AVCodec mpeg4aac_decoder;
extern AVCodec asv1_decoder;
extern AVCodec asv2_decoder;
extern AVCodec vcr1_decoder;
extern AVCodec cljr_decoder;
extern AVCodec ffv1_decoder;
extern AVCodec snow_decoder;
extern AVCodec fourxm_decoder;
extern AVCodec mdec_decoder;
extern AVCodec roq_decoder;
extern AVCodec interplay_video_decoder;
extern AVCodec xan_wc3_decoder;
extern AVCodec rpza_decoder;
extern AVCodec cinepak_decoder;
extern AVCodec msrle_decoder;
extern AVCodec msvideo1_decoder;
extern AVCodec vqa_decoder;
extern AVCodec idcin_decoder;
extern AVCodec eightbps_decoder;
extern AVCodec smc_decoder;
extern AVCodec flic_decoder;
extern AVCodec vmdvideo_decoder;
extern AVCodec vmdaudio_decoder;
extern AVCodec truemotion1_decoder;
extern AVCodec mszh_decoder;
extern AVCodec zlib_decoder;
extern AVCodec ra_144_decoder;
extern AVCodec ra_288_decoder;
extern AVCodec roq_dpcm_decoder;
extern AVCodec interplay_dpcm_decoder;
extern AVCodec xan_dpcm_decoder;
extern AVCodec sol_dpcm_decoder;
extern AVCodec sonic_decoder;
extern AVCodec qtrle_decoder;
extern AVCodec flac_decoder;
extern AVCodec tscc_decoder;
extern AVCodec ulti_decoder;
extern AVCodec qdraw_decoder;
extern AVCodec xl_decoder;
extern AVCodec qpeg_decoder;
extern AVCodec shorten_decoder;
extern AVCodec loco_decoder;
extern AVCodec wnv1_decoder;
extern AVCodec aasc_decoder;
extern AVCodec alac_decoder;
extern AVCodec ws_snd1_decoder;
extern AVCodec indeo2_decoder;
extern AVCodec vorbis_decoder;
extern AVCodec fraps_decoder;
extern AVCodec libgsm_encoder;
extern AVCodec libgsm_decoder;

/* pcm codecs */
#define PCM_CODEC(id, name) \
extern AVCodec name ## _decoder; \
extern AVCodec name ## _encoder

PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);

/* adpcm codecs */

PCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt);
PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav);
PCM_CODEC(CODEC_ID_ADPCM_IMA_DK3, adpcm_ima_dk3);
PCM_CODEC(CODEC_ID_ADPCM_IMA_DK4, adpcm_ima_dk4);
PCM_CODEC(CODEC_ID_ADPCM_IMA_WS, adpcm_ima_ws);
PCM_CODEC(CODEC_ID_ADPCM_SMJPEG, adpcm_ima_smjpeg);
PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
PCM_CODEC(CODEC_ID_ADPCM_4XM, adpcm_4xm);
PCM_CODEC(CODEC_ID_ADPCM_XA, adpcm_xa);
PCM_CODEC(CODEC_ID_ADPCM_ADX, adpcm_adx);
PCM_CODEC(CODEC_ID_ADPCM_EA, adpcm_ea);
PCM_CODEC(CODEC_ID_ADPCM_G726, adpcm_g726);
PCM_CODEC(CODEC_ID_ADPCM_CT, adpcm_ct);
PCM_CODEC(CODEC_ID_ADPCM_SWF, adpcm_swf);
PCM_CODEC(CODEC_ID_ADPCM_YAMAHA, adpcm_yamaha);

#undef PCM_CODEC

/* dummy raw video codec */
extern AVCodec rawvideo_encoder;
extern AVCodec rawvideo_decoder;

/* the following codecs use external GPL libs */
extern AVCodec ac3_decoder;
extern AVCodec dts_decoder;

/* subtitles */
extern AVCodec dvdsub_decoder;
extern AVCodec dvbsub_encoder;
extern AVCodec dvbsub_decoder;

/* resample.c */

struct ReSampleContext;
struct AVResampleContext;

typedef struct ReSampleContext ReSampleContext;

ReSampleContext *audio_resample_init(int output_channels, int input_channels, 
                                     int output_rate, int input_rate);
int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples);
void audio_resample_close(ReSampleContext *s);

struct AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_length, int log2_phase_count, int linear, double cutoff);
int av_resample(struct AVResampleContext *c, short *dst, short *src, int *consumed, int src_size, int dst_size, int update_ctx);
void av_resample_compensate(struct AVResampleContext *c, int sample_delta, int compensation_distance);
void av_resample_close(struct AVResampleContext *c);

/* YUV420 format is assumed ! */

struct ImgReSampleContext;

typedef struct ImgReSampleContext ImgReSampleContext;

ImgReSampleContext *img_resample_init(int output_width, int output_height,
                                      int input_width, int input_height);

ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
                                      int iwidth, int iheight,
                                      int topBand, int bottomBand,
                                      int leftBand, int rightBand,
                                      int padtop, int padbottom,
                                      int padleft, int padright);


void img_resample(ImgReSampleContext *s, 
                  AVPicture *output, const AVPicture *input);

void img_resample_close(ImgReSampleContext *s);

int avpicture_alloc(AVPicture *picture, int pix_fmt, int width, int height);

/* Free a picture previously allocated by avpicture_alloc. */
void avpicture_free(AVPicture *picture);

int avpicture_fill(AVPicture *picture, uint8_t *ptr,
                   int pix_fmt, int width, int height);
int avpicture_layout(const AVPicture* src, int pix_fmt, int width, int height,
                     unsigned char *dest, int dest_size);
int avpicture_get_size(int pix_fmt, int width, int height);
void avcodec_get_chroma_sub_sample(int pix_fmt, int *h_shift, int *v_shift);
const char *avcodec_get_pix_fmt_name(int pix_fmt);
void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
enum PixelFormat avcodec_get_pix_fmt(const char* name);
unsigned int avcodec_pix_fmt_to_codec_tag(enum PixelFormat p);

#define FF_LOSS_RESOLUTION  0x0001 /* loss due to resolution change */
#define FF_LOSS_DEPTH       0x0002 /* loss due to color depth change */
#define FF_LOSS_COLORSPACE  0x0004 /* loss due to color space conversion */
#define FF_LOSS_ALPHA       0x0008 /* loss of alpha bits */
#define FF_LOSS_COLORQUANT  0x0010 /* loss due to color quantization */
#define FF_LOSS_CHROMA      0x0020 /* loss of chroma (e.g. rgb to gray conversion) */

int avcodec_get_pix_fmt_loss(int dst_pix_fmt, int src_pix_fmt,
                             int has_alpha);
int avcodec_find_best_pix_fmt(int pix_fmt_mask, int src_pix_fmt,
                              int has_alpha, int *loss_ptr);

#define FF_ALPHA_TRANSP       0x0001 /* image has some totally transparent pixels */
#define FF_ALPHA_SEMI_TRANSP  0x0002 /* image has some transparent pixels */
int img_get_alpha_info(const AVPicture *src,
                       int pix_fmt, int width, int height);

/* convert among pixel formats */
int img_convert(AVPicture *dst, int dst_pix_fmt,
                const AVPicture *src, int pix_fmt, 
                int width, int height);

/* deinterlace a picture */
int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
                          int pix_fmt, int width, int height);

/* external high level API */

extern AVCodec *first_avcodec;

/* returns LIBAVCODEC_VERSION_INT constant */
unsigned avcodec_version(void);
/* returns LIBAVCODEC_BUILD constant */
unsigned avcodec_build(void);
void avcodec_init(void);

void register_avcodec(AVCodec *format);
AVCodec *avcodec_find_encoder(enum CodecID id);
AVCodec *avcodec_find_encoder_by_name(const char *name);
AVCodec *avcodec_find_decoder(enum CodecID id);
AVCodec *avcodec_find_decoder_by_name(const char *name);
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);

void avcodec_get_context_defaults(AVCodecContext *s);
AVCodecContext *avcodec_alloc_context(void);
void avcodec_get_frame_defaults(AVFrame *pic);
AVFrame *avcodec_alloc_frame(void);

int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic);
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic);
int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic);
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height);
int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h);
enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum PixelFormat * fmt);

int avcodec_thread_init(AVCodecContext *s, int thread_count);
void avcodec_thread_free(AVCodecContext *s);
int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count);
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count);
//FIXME func typedef

int avcodec_open(AVCodecContext *avctx, AVCodec *codec);

int avcodec_decode_audio(AVCodecContext *avctx, int16_t *samples, 
                         int *frame_size_ptr,
                         uint8_t *buf, int buf_size);
int avcodec_decode_video(AVCodecContext *avctx, AVFrame *picture, 
                         int *got_picture_ptr,
                         uint8_t *buf, int buf_size);
int avcodec_decode_subtitle(AVCodecContext *avctx, AVSubtitle *sub,
                            int *got_sub_ptr,
                            const uint8_t *buf, int buf_size);
int avcodec_parse_frame(AVCodecContext *avctx, uint8_t **pdata, 
                        int *data_size_ptr,
                        uint8_t *buf, int buf_size);
int avcodec_encode_audio(AVCodecContext *avctx, uint8_t *buf, int buf_size, 
                         const short *samples);
int avcodec_encode_video(AVCodecContext *avctx, uint8_t *buf, int buf_size, 
                         const AVFrame *pict);
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size, 
                            const AVSubtitle *sub);

int avcodec_close(AVCodecContext *avctx);

void avcodec_register_all(void);

void avcodec_flush_buffers(AVCodecContext *avctx);

void avcodec_default_free_buffers(AVCodecContext *s);

/* misc usefull functions */

char av_get_pict_type_char(int pict_type);

int av_reduce(int *dst_nom, int *dst_den, int64_t nom, int64_t den, int64_t max);

int64_t av_rescale(int64_t a, int64_t b, int64_t c);

int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding);

int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq);

double av_int2dbl(int64_t v);
float av_int2flt(int32_t v);
int64_t av_dbl2int(double d);
int32_t av_flt2int(float d);


/* frame parsing */
typedef struct AVCodecParserContext {
    void *priv_data;
    struct AVCodecParser *parser;
    int64_t frame_offset; /* offset of the current frame */
    int64_t cur_offset; /* current offset 
                           (incremented by each av_parser_parse()) */
    int64_t last_frame_offset; /* offset of the last frame */
    /* video info */
    int pict_type; /* XXX: put it back in AVCodecContext */
    int repeat_pict; /* XXX: put it back in AVCodecContext */
    int64_t pts;     /* pts of the current frame */
    int64_t dts;     /* dts of the current frame */

    /* private data */
    int64_t last_pts;
    int64_t last_dts;
    int fetch_timestamp;

#define AV_PARSER_PTS_NB 4
    int cur_frame_start_index;
    int64_t cur_frame_offset[AV_PARSER_PTS_NB];
    int64_t cur_frame_pts[AV_PARSER_PTS_NB];
    int64_t cur_frame_dts[AV_PARSER_PTS_NB];
} AVCodecParserContext;

typedef struct AVCodecParser {
    int codec_ids[5]; /* several codec IDs are permitted */
    int priv_data_size;
    int (*parser_init)(AVCodecParserContext *s);
    int (*parser_parse)(AVCodecParserContext *s, 
                        AVCodecContext *avctx,
                        uint8_t **poutbuf, int *poutbuf_size, 
                        const uint8_t *buf, int buf_size);
    void (*parser_close)(AVCodecParserContext *s);
    int (*split)(AVCodecContext *avctx, const uint8_t *buf, int buf_size);
    struct AVCodecParser *next;
} AVCodecParser;

extern AVCodecParser *av_first_parser;

void av_register_codec_parser(AVCodecParser *parser);
AVCodecParserContext *av_parser_init(int codec_id);
int av_parser_parse(AVCodecParserContext *s, 
                    AVCodecContext *avctx,
                    uint8_t **poutbuf, int *poutbuf_size, 
                    const uint8_t *buf, int buf_size,
                    int64_t pts, int64_t dts);
int av_parser_change(AVCodecParserContext *s,
                     AVCodecContext *avctx,
                     uint8_t **poutbuf, int *poutbuf_size, 
                     const uint8_t *buf, int buf_size, int keyframe);
void av_parser_close(AVCodecParserContext *s);

extern AVCodecParser mpegvideo_parser;
extern AVCodecParser mpeg4video_parser;
extern AVCodecParser h261_parser;
extern AVCodecParser h263_parser;
extern AVCodecParser h264_parser;
extern AVCodecParser mjpeg_parser;
extern AVCodecParser pnm_parser;
extern AVCodecParser mpegaudio_parser;
extern AVCodecParser ac3_parser;
extern AVCodecParser dvdsub_parser;
extern AVCodecParser dvbsub_parser;

/* memory */
void *av_malloc(unsigned int size);
void *av_mallocz(unsigned int size);
void *av_realloc(void *ptr, unsigned int size);
void av_free(void *ptr);
char *av_strdup(const char *s);
void av_freep(void *ptr);
void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size);
/* for static data only */
/* call av_free_static to release all staticaly allocated tables */
void av_free_static(void);
void *av_mallocz_static(unsigned int size);
void *av_realloc_static(void *ptr, unsigned int size);

/* add by bero : in adx.c */
int is_adx(const unsigned char *buf,size_t bufsize);

void img_copy(AVPicture *dst, const AVPicture *src,
              int pix_fmt, int width, int height);

/* av_log API */

#include <stdarg.h>

#define AV_LOG_QUIET -1
#define AV_LOG_ERROR 0
#define AV_LOG_INFO 1
#define AV_LOG_DEBUG 2

#ifdef __GNUC__
extern void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
#else
extern void av_log(void*, int level, const char *fmt, ...);
#endif

extern void av_vlog(void*, int level, const char *fmt, va_list);
extern int av_log_get_level(void);
extern void av_log_set_level(int);
extern void av_log_set_callback(void (*)(void*, int, const char*, va_list));

/* endian macros */
#if !defined(BE_16) || !defined(BE_32) || !defined(LE_16) || !defined(LE_32)
#define BE_16(x)  ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
#define BE_32(x)  ((((uint8_t*)(x))[0] << 24) | \
                   (((uint8_t*)(x))[1] << 16) | \
                   (((uint8_t*)(x))[2] << 8) | \
                    ((uint8_t*)(x))[3])
#define LE_16(x)  ((((uint8_t*)(x))[1] << 8) | ((uint8_t*)(x))[0])
#define LE_32(x)  ((((uint8_t*)(x))[3] << 24) | \
                   (((uint8_t*)(x))[2] << 16) | \
                   (((uint8_t*)(x))[1] << 8) | \
                    ((uint8_t*)(x))[0])
#endif

extern unsigned int av_xiphlacing(unsigned char *s, unsigned int v);

#ifdef __cplusplus
}
#endif

#endif /* AVCODEC_H */

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