ffmpeg-5.0.1-single-header.h

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// This header was generated from the FFMPEG headers
#pragma once
 
#include <stdlib.h>
#include <stdarg.h>
#include <limits.h>
#include <stdint.h>
#include <inttypes.h>
#include <time.h>
#include <stddef.h>
#include <math.h>
#include <string.h>
#include <errno.h>
#include <stdio.h>
 
#define AVCODEC_AVCODEC_H
 
#define AVUTIL_SAMPLEFMT_H
 
#define AVUTIL_AVUTIL_H
 
unsigned avutil_version(void);
 
const char *av_version_info(void);
 
const char *avutil_configuration(void);
 
const char *avutil_license(void);
 
enum AVMediaType {
    AVMEDIA_TYPE_UNKNOWN = -1,
    AVMEDIA_TYPE_VIDEO,
    AVMEDIA_TYPE_AUDIO,
    AVMEDIA_TYPE_DATA,
    AVMEDIA_TYPE_SUBTITLE,
    AVMEDIA_TYPE_ATTACHMENT,
    AVMEDIA_TYPE_NB
};
 
const char *av_get_media_type_string(enum AVMediaType media_type);
 
#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
 
#define AV_NOPTS_VALUE          ((int64_t)UINT64_C(0x8000000000000000))
 
#define AV_TIME_BASE            1000000
 
#define AV_TIME_BASE_Q          (AVRational){1, AV_TIME_BASE}
 
enum AVPictureType {
    AV_PICTURE_TYPE_NONE = 0,
    AV_PICTURE_TYPE_I,
    AV_PICTURE_TYPE_P,
    AV_PICTURE_TYPE_B,
    AV_PICTURE_TYPE_S,
    AV_PICTURE_TYPE_SI,
    AV_PICTURE_TYPE_SP,
    AV_PICTURE_TYPE_BI,
};
 
char av_get_picture_type_char(enum AVPictureType pict_type);
 
#define AVUTIL_COMMON_H
 
#define AVUTIL_ATTRIBUTES_H
 
#    define AV_GCC_VERSION_AT_LEAST(x,y) 0
#    define AV_GCC_VERSION_AT_MOST(x,y)  0
 
#    define AV_HAS_BUILTIN(x) 0
 
#    define av_always_inline inline
 
#    define av_extern_inline inline
 
#    define av_warn_unused_result
 
#    define av_noinline
 
#    define av_pure
 
#    define av_const
 
#    define av_cold
 
#    define av_flatten
 
#    define attribute_deprecated
 
#    define AV_NOWARN_DEPRECATED(code) code
 
#    define av_unused
 
#    define av_used
 
#   define av_alias
 
#    define av_uninit(x) x
 
#    define av_builtin_constant_p(x) 0
#    define av_printf_format(fmtpos, attrpos)
 
#    define av_noreturn
 
#define AVUTIL_MACROS_H
 
#   define AV_NE(be, le) (le)
 
#define FFDIFFSIGN(x,y) (((x)>(y)) - ((x)<(y)))
 
#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
#define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c)
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c)
 
#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
 
#define MKTAG(a,b,c,d)   ((a) | ((b) << 8) | ((c) << 16) | ((unsigned)(d) << 24))
#define MKBETAG(a,b,c,d) ((d) | ((c) << 8) | ((b) << 16) | ((unsigned)(a) << 24))
 
#define AV_STRINGIFY(s)         AV_TOSTRING(s)
#define AV_TOSTRING(s) #s
 
#define AV_GLUE(a, b) a ## b
#define AV_JOIN(a, b) AV_GLUE(a, b)
 
#define AV_PRAGMA(s) _Pragma(#s)
 
#define FFALIGN(x, a) (((x)+(a)-1)&~((a)-1))
 
#define AVUTIL_VERSION_H
 
#define AV_VERSION_INT(a, b, c) ((a)<<16 | (b)<<8 | (c))
#define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
 
#define AV_VERSION_MAJOR(a) ((a) >> 16)
#define AV_VERSION_MINOR(a) (((a) & 0x00FF00) >> 8)
#define AV_VERSION_MICRO(a) ((a) & 0xFF)
 
#define LIBAVUTIL_VERSION_MAJOR  57
#define LIBAVUTIL_VERSION_MINOR  17
#define LIBAVUTIL_VERSION_MICRO 100
 
#define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
                                               LIBAVUTIL_VERSION_MINOR, \
                                               LIBAVUTIL_VERSION_MICRO)
#define LIBAVUTIL_VERSION       AV_VERSION(LIBAVUTIL_VERSION_MAJOR,     \
                                           LIBAVUTIL_VERSION_MINOR,     \
                                           LIBAVUTIL_VERSION_MICRO)
#define LIBAVUTIL_BUILD         LIBAVUTIL_VERSION_INT
 
#define LIBAVUTIL_IDENT         "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
 
#define FF_API_D2STR                    (LIBAVUTIL_VERSION_MAJOR < 58)
#define FF_API_DECLARE_ALIGNED          (LIBAVUTIL_VERSION_MAJOR < 58)
#define FF_API_COLORSPACE_NAME          (LIBAVUTIL_VERSION_MAJOR < 58)
#define FF_API_AV_MALLOCZ_ARRAY         (LIBAVUTIL_VERSION_MAJOR < 58)
 
#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
 
#define ROUNDED_DIV(a,b) (((a)>=0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
 
#define AV_CEIL_RSHIFT(a,b) (!av_builtin_constant_p(b) ? -((-(a)) >> (b)) \
                                                       : ((a) + (1<<(b)) - 1) >> (b))
 
#define FF_CEIL_RSHIFT AV_CEIL_RSHIFT
 
#define FFUDIV(a,b) (((a)>0 ?(a):(a)-(b)+1) / (b))
#define FFUMOD(a,b) ((a)-(b)*FFUDIV(a,b))
 
#define FFABS(a) ((a) >= 0 ? (a) : (-(a)))
#define FFSIGN(a) ((a) > 0 ? 1 : -1)
 
#define FFNABS(a) ((a) <= 0 ? (a) : (-(a)))
 
#define FFABSU(a) ((a) <= 0 ? -(unsigned)(a) : (unsigned)(a))
#define FFABS64U(a) ((a) <= 0 ? -(uint64_t)(a) : (uint64_t)(a))
 
#   define av_ceil_log2     av_ceil_log2_c
#   define av_clip          av_clip_c
#   define av_clip64        av_clip64_c
#   define av_clip_uint8    av_clip_uint8_c
#   define av_clip_int8     av_clip_int8_c
#   define av_clip_uint16   av_clip_uint16_c
#   define av_clip_int16    av_clip_int16_c
#   define av_clipl_int32   av_clipl_int32_c
#   define av_clip_intp2    av_clip_intp2_c
#   define av_clip_uintp2   av_clip_uintp2_c
#   define av_mod_uintp2    av_mod_uintp2_c
#   define av_sat_add32     av_sat_add32_c
#   define av_sat_dadd32    av_sat_dadd32_c
#   define av_sat_sub32     av_sat_sub32_c
#   define av_sat_dsub32    av_sat_dsub32_c
#   define av_sat_add64     av_sat_add64_c
#   define av_sat_sub64     av_sat_sub64_c
#   define av_clipf         av_clipf_c
#   define av_clipd         av_clipd_c
#   define av_popcount      av_popcount_c
#   define av_popcount64    av_popcount64_c
#   define av_parity        av_parity_c
 
av_const int av_log2(unsigned v);
 
av_const int av_log2_16bit(unsigned v);
 
static av_always_inline av_const int av_clip_c(int a, int amin, int amax)
{
    if      (a < amin) return amin;
    else if (a > amax) return amax;
    else               return a;
}
 
static av_always_inline av_const int64_t av_clip64_c(int64_t a, int64_t amin, int64_t amax)
{
    if      (a < amin) return amin;
    else if (a > amax) return amax;
    else               return a;
}
 
static av_always_inline av_const uint8_t av_clip_uint8_c(int a)
{
    if (a&(~0xFF)) return (~a)>>31;
    else           return a;
}
 
static av_always_inline av_const int8_t av_clip_int8_c(int a)
{
    if ((a+0x80U) & ~0xFF) return (a>>31) ^ 0x7F;
    else                  return a;
}
 
static av_always_inline av_const uint16_t av_clip_uint16_c(int a)
{
    if (a&(~0xFFFF)) return (~a)>>31;
    else             return a;
}
 
static av_always_inline av_const int16_t av_clip_int16_c(int a)
{
    if ((a+0x8000U) & ~0xFFFF) return (a>>31) ^ 0x7FFF;
    else                      return a;
}
 
static av_always_inline av_const int32_t av_clipl_int32_c(int64_t a)
{
    if ((a+0x80000000u) & ~UINT64_C(0xFFFFFFFF)) return (int32_t)((a>>63) ^ 0x7FFFFFFF);
    else                                         return (int32_t)a;
}
 
static av_always_inline av_const int av_clip_intp2_c(int a, int p)
{
    if (((unsigned)a + (1 << p)) & ~((2 << p) - 1))
        return (a >> 31) ^ ((1 << p) - 1);
    else
        return a;
}
 
static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p)
{
    if (a & ~((1<<p) - 1)) return (~a) >> 31 & ((1<<p) - 1);
    else                   return  a;
}
 
static av_always_inline av_const unsigned av_mod_uintp2_c(unsigned a, unsigned p)
{
    return a & ((1U << p) - 1);
}
 
static av_always_inline int av_sat_add32_c(int a, int b)
{
    return av_clipl_int32((int64_t)a + b);
}
 
static av_always_inline int av_sat_dadd32_c(int a, int b)
{
    return av_sat_add32(a, av_sat_add32(b, b));
}
 
static av_always_inline int av_sat_sub32_c(int a, int b)
{
    return av_clipl_int32((int64_t)a - b);
}
 
static av_always_inline int av_sat_dsub32_c(int a, int b)
{
    return av_sat_sub32(a, av_sat_add32(b, b));
}
 
static av_always_inline int64_t av_sat_add64_c(int64_t a, int64_t b) {
    int64_t s = a+(uint64_t)b;
    if ((int64_t)(a^b | ~s^b) >= 0)
        return INT64_MAX ^ (b >> 63);
    return s;
}
 
static av_always_inline int64_t av_sat_sub64_c(int64_t a, int64_t b) {
    if (b <= 0 && a >= INT64_MAX + b)
        return INT64_MAX;
    if (b >= 0 && a <= INT64_MIN + b)
        return INT64_MIN;
    return a - b;
}
 
static av_always_inline av_const float av_clipf_c(float a, float amin, float amax)
{
    return FFMIN(FFMAX(a, amin), amax);
}
 
static av_always_inline av_const double av_clipd_c(double a, double amin, double amax)
{
    return FFMIN(FFMAX(a, amin), amax);
}
 
static av_always_inline av_const int av_ceil_log2_c(int x)
{
    return av_log2((x - 1U) << 1);
}
 
static av_always_inline av_const int av_popcount_c(uint32_t x)
{
    x -= (x >> 1) & 0x55555555;
    x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
    x = (x + (x >> 4)) & 0x0F0F0F0F;
    x += x >> 8;
    return (x + (x >> 16)) & 0x3F;
}
 
static av_always_inline av_const int av_popcount64_c(uint64_t x)
{
    return av_popcount((uint32_t)x) + av_popcount((uint32_t)(x >> 32));
}
 
static av_always_inline av_const int av_parity_c(uint32_t v)
{
    return av_popcount(v) & 1;
}
 
#define GET_UTF8(val, GET_BYTE, ERROR)\
    val= (GET_BYTE);\
    {\
        uint32_t top = (val & 128) >> 1;\
        if ((val & 0xc0) == 0x80 || val >= 0xFE)\
            {ERROR}\
        while (val & top) {\
            unsigned int tmp = (GET_BYTE) - 128;\
            if(tmp>>6)\
                {ERROR}\
            val= (val<<6) + tmp;\
            top <<= 5;\
        }\
        val &= (top << 1) - 1;\
    }
 
#define GET_UTF16(val, GET_16BIT, ERROR)\
    val = (GET_16BIT);\
    {\
        unsigned int hi = val - 0xD800;\
        if (hi < 0x800) {\
            val = (GET_16BIT) - 0xDC00;\
            if (val > 0x3FFU || hi > 0x3FFU)\
                {ERROR}\
            val += (hi<<10) + 0x10000;\
        }\
    }\
 
#define PUT_UTF8(val, tmp, PUT_BYTE)\
    {\
        int bytes, shift;\
        uint32_t in = val;\
        if (in < 0x80) {\
            tmp = in;\
            PUT_BYTE\
        } else {\
            bytes = (av_log2(in) + 4) / 5;\
            shift = (bytes - 1) * 6;\
            tmp = (256 - (256 >> bytes)) | (in >> shift);\
            PUT_BYTE\
            while (shift >= 6) {\
                shift -= 6;\
                tmp = 0x80 | ((in >> shift) & 0x3f);\
                PUT_BYTE\
            }\
        }\
    }
 
#define PUT_UTF16(val, tmp, PUT_16BIT)\
    {\
        uint32_t in = val;\
        if (in < 0x10000) {\
            tmp = in;\
            PUT_16BIT\
        } else {\
            tmp = 0xD800 | ((in - 0x10000) >> 10);\
            PUT_16BIT\
            tmp = 0xDC00 | ((in - 0x10000) & 0x3FF);\
            PUT_16BIT\
        }\
    }\
 
#define AVUTIL_MEM_H
 
    #define DECLARE_ALIGNED(n,t,v)      t v
    #define DECLARE_ASM_ALIGNED(n,t,v)  t v
    #define DECLARE_ASM_CONST(n,t,v)    static const t v
 
    #define av_malloc_attrib
 
    #define av_alloc_size(...)
 
void *av_malloc(size_t size) av_malloc_attrib av_alloc_size(1);
 
void *av_mallocz(size_t size) av_malloc_attrib av_alloc_size(1);
 
av_alloc_size(1, 2) void *av_malloc_array(size_t nmemb, size_t size);
 
void *av_calloc(size_t nmemb, size_t size) av_malloc_attrib av_alloc_size(1, 2);
 
attribute_deprecated
void *av_mallocz_array(size_t nmemb, size_t size) av_malloc_attrib av_alloc_size(1, 2);
 
void *av_realloc(void *ptr, size_t size) av_alloc_size(2);
 
av_warn_unused_result
int av_reallocp(void *ptr, size_t size);
 
void *av_realloc_f(void *ptr, size_t nelem, size_t elsize);
 
av_alloc_size(2, 3) void *av_realloc_array(void *ptr, size_t nmemb, size_t size);
 
int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
 
void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size);
 
void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size);
 
void av_fast_mallocz(void *ptr, unsigned int *size, size_t min_size);
 
void av_free(void *ptr);
 
void av_freep(void *ptr);
 
char *av_strdup(const char *s) av_malloc_attrib;
 
char *av_strndup(const char *s, size_t len) av_malloc_attrib;
 
void *av_memdup(const void *p, size_t size);
 
void av_memcpy_backptr(uint8_t *dst, int back, int cnt);
 
void av_dynarray_add(void *tab_ptr, int *nb_ptr, void *elem);
 
av_warn_unused_result
int av_dynarray_add_nofree(void *tab_ptr, int *nb_ptr, void *elem);
 
void *av_dynarray2_add(void **tab_ptr, int *nb_ptr, size_t elem_size,
                       const uint8_t *elem_data);
 
int av_size_mult(size_t a, size_t b, size_t *r);
 
void av_max_alloc(size_t max);
 
#define AVUTIL_ERROR_H
 
#define AVERROR(e) (e)
#define AVUNERROR(e) (e)
 
#define FFERRTAG(a, b, c, d) (-(int)MKTAG(a, b, c, d))
 
#define AVERROR_BSF_NOT_FOUND      FFERRTAG(0xF8,'B','S','F')
#define AVERROR_BUG                FFERRTAG( 'B','U','G','!')
#define AVERROR_BUFFER_TOO_SMALL   FFERRTAG( 'B','U','F','S')
#define AVERROR_DECODER_NOT_FOUND  FFERRTAG(0xF8,'D','E','C')
#define AVERROR_DEMUXER_NOT_FOUND  FFERRTAG(0xF8,'D','E','M')
#define AVERROR_ENCODER_NOT_FOUND  FFERRTAG(0xF8,'E','N','C')
#define AVERROR_EOF                FFERRTAG( 'E','O','F',' ')
#define AVERROR_EXIT               FFERRTAG( 'E','X','I','T')
#define AVERROR_EXTERNAL           FFERRTAG( 'E','X','T',' ')
#define AVERROR_FILTER_NOT_FOUND   FFERRTAG(0xF8,'F','I','L')
#define AVERROR_INVALIDDATA        FFERRTAG( 'I','N','D','A')
#define AVERROR_MUXER_NOT_FOUND    FFERRTAG(0xF8,'M','U','X')
#define AVERROR_OPTION_NOT_FOUND   FFERRTAG(0xF8,'O','P','T')
#define AVERROR_PATCHWELCOME       FFERRTAG( 'P','A','W','E')
#define AVERROR_PROTOCOL_NOT_FOUND FFERRTAG(0xF8,'P','R','O')
 
#define AVERROR_STREAM_NOT_FOUND   FFERRTAG(0xF8,'S','T','R')
 
#define AVERROR_BUG2               FFERRTAG( 'B','U','G',' ')
#define AVERROR_UNKNOWN            FFERRTAG( 'U','N','K','N')
#define AVERROR_EXPERIMENTAL       (-0x2bb2afa8)
#define AVERROR_INPUT_CHANGED      (-0x636e6701)
#define AVERROR_OUTPUT_CHANGED     (-0x636e6702)
 
#define AVERROR_HTTP_BAD_REQUEST   FFERRTAG(0xF8,'4','0','0')
#define AVERROR_HTTP_UNAUTHORIZED  FFERRTAG(0xF8,'4','0','1')
#define AVERROR_HTTP_FORBIDDEN     FFERRTAG(0xF8,'4','0','3')
#define AVERROR_HTTP_NOT_FOUND     FFERRTAG(0xF8,'4','0','4')
#define AVERROR_HTTP_OTHER_4XX     FFERRTAG(0xF8,'4','X','X')
#define AVERROR_HTTP_SERVER_ERROR  FFERRTAG(0xF8,'5','X','X')
 
#define AV_ERROR_MAX_STRING_SIZE 64
 
int av_strerror(int errnum, char *errbuf, size_t errbuf_size);
 
static inline char *av_make_error_string(char *errbuf, size_t errbuf_size, int errnum)
{
    av_strerror(errnum, errbuf, errbuf_size);
    return errbuf;
}
 
#define av_err2str(errnum) \
    av_make_error_string((char[AV_ERROR_MAX_STRING_SIZE]){0}, AV_ERROR_MAX_STRING_SIZE, errnum)
 
#define AVUTIL_RATIONAL_H
 
typedef struct AVRational{
    int num;
    int den;
} AVRational;
 
static inline AVRational av_make_q(int num, int den)
{
    AVRational r = { num, den };
    return r;
}
 
static inline int av_cmp_q(AVRational a, AVRational b){
    const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den;
 
    if(tmp) return (int)((tmp ^ a.den ^ b.den)>>63)|1;
    else if(b.den && a.den) return 0;
    else if(a.num && b.num) return (a.num>>31) - (b.num>>31);
    else                    return INT_MIN;
}
 
static inline double av_q2d(AVRational a){
    return a.num / (double) a.den;
}
 
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max);
 
AVRational av_mul_q(AVRational b, AVRational c) av_const;
 
AVRational av_div_q(AVRational b, AVRational c) av_const;
 
AVRational av_add_q(AVRational b, AVRational c) av_const;
 
AVRational av_sub_q(AVRational b, AVRational c) av_const;
 
static av_always_inline AVRational av_inv_q(AVRational q)
{
    AVRational r = { q.den, q.num };
    return r;
}
 
AVRational av_d2q(double d, int max) av_const;
 
int av_nearer_q(AVRational q, AVRational q1, AVRational q2);
 
int av_find_nearest_q_idx(AVRational q, const AVRational* q_list);
 
uint32_t av_q2intfloat(AVRational q);
 
AVRational av_gcd_q(AVRational a, AVRational b, int max_den, AVRational def);
 
#define AVUTIL_MATHEMATICS_H
 
#define AVUTIL_INTFLOAT_H
 
union av_intfloat32 {
    uint32_t i;
    float    f;
};
 
union av_intfloat64 {
    uint64_t i;
    double   f;
};
 
static av_always_inline float av_int2float(uint32_t i)
{
    union av_intfloat32 v;
    v.i = i;
    return v.f;
}
 
static av_always_inline uint32_t av_float2int(float f)
{
    union av_intfloat32 v;
    v.f = f;
    return v.i;
}
 
static av_always_inline double av_int2double(uint64_t i)
{
    union av_intfloat64 v;
    v.i = i;
    return v.f;
}
 
static av_always_inline uint64_t av_double2int(double f)
{
    union av_intfloat64 v;
    v.f = f;
    return v.i;
}
 
#define M_E            2.7182818284590452354
#define M_LN2          0.69314718055994530942
#define M_LN10         2.30258509299404568402
#define M_LOG2_10      3.32192809488736234787
#define M_PHI          1.61803398874989484820
#define M_PI           3.14159265358979323846
#define M_PI_2         1.57079632679489661923
#define M_SQRT1_2      0.70710678118654752440
#define M_SQRT2        1.41421356237309504880
#define NAN            av_int2float(0x7fc00000)
#define INFINITY       av_int2float(0x7f800000)
 
enum AVRounding {
    AV_ROUND_ZERO     = 0,
    AV_ROUND_INF      = 1,
    AV_ROUND_DOWN     = 2,
    AV_ROUND_UP       = 3,
    AV_ROUND_NEAR_INF = 5,
 
    AV_ROUND_PASS_MINMAX = 8192,
};
 
int64_t av_const av_gcd(int64_t a, int64_t b);
 
int64_t av_rescale(int64_t a, int64_t b, int64_t c) av_const;
 
int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd) av_const;
 
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq) av_const;
 
int64_t av_rescale_q_rnd(int64_t a, AVRational bq, AVRational cq,
                         enum AVRounding rnd) av_const;
 
int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b);
 
int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod);
 
int64_t av_rescale_delta(AVRational in_tb, int64_t in_ts,  AVRational fs_tb, int duration, int64_t *last, AVRational out_tb);
 
int64_t av_add_stable(AVRational ts_tb, int64_t ts, AVRational inc_tb, int64_t inc);
 
#define AVUTIL_LOG_H
 
typedef enum {
    AV_CLASS_CATEGORY_NA = 0,
    AV_CLASS_CATEGORY_INPUT,
    AV_CLASS_CATEGORY_OUTPUT,
    AV_CLASS_CATEGORY_MUXER,
    AV_CLASS_CATEGORY_DEMUXER,
    AV_CLASS_CATEGORY_ENCODER,
    AV_CLASS_CATEGORY_DECODER,
    AV_CLASS_CATEGORY_FILTER,
    AV_CLASS_CATEGORY_BITSTREAM_FILTER,
    AV_CLASS_CATEGORY_SWSCALER,
    AV_CLASS_CATEGORY_SWRESAMPLER,
    AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT = 40,
    AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT,
    AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
    AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT,
    AV_CLASS_CATEGORY_DEVICE_OUTPUT,
    AV_CLASS_CATEGORY_DEVICE_INPUT,
    AV_CLASS_CATEGORY_NB
}AVClassCategory;
 
#define AV_IS_INPUT_DEVICE(category) \
    (((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT) || \
     ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT) || \
     ((category) == AV_CLASS_CATEGORY_DEVICE_INPUT))
 
#define AV_IS_OUTPUT_DEVICE(category) \
    (((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT) || \
     ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT) || \
     ((category) == AV_CLASS_CATEGORY_DEVICE_OUTPUT))
 
struct AVOptionRanges;
 
typedef struct AVClass {
 
    const char* class_name;
 
    const char* (*item_name)(void* ctx);
 
    const struct AVOption *option;
 
    int version;
 
    int log_level_offset_offset;
 
    int parent_log_context_offset;
 
    AVClassCategory category;
 
    AVClassCategory (*get_category)(void* ctx);
 
    int (*query_ranges)(struct AVOptionRanges **, void *obj, const char *key, int flags);
 
    void* (*child_next)(void *obj, void *prev);
 
    const struct AVClass* (*child_class_iterate)(void **iter);
} AVClass;
 
#define AV_LOG_QUIET    -8
 
#define AV_LOG_PANIC     0
 
#define AV_LOG_FATAL     8
 
#define AV_LOG_ERROR    16
 
#define AV_LOG_WARNING  24
 
#define AV_LOG_INFO     32
 
#define AV_LOG_VERBOSE  40
 
#define AV_LOG_DEBUG    48
 
#define AV_LOG_TRACE    56
 
#define AV_LOG_MAX_OFFSET (AV_LOG_TRACE - AV_LOG_QUIET)
 
#define AV_LOG_C(x) ((x) << 8)
 
void av_log(void *avcl, int level, const char *fmt, ...) av_printf_format(3, 4);
 
void av_log_once(void* avcl, int initial_level, int subsequent_level, int *state, const char *fmt, ...) av_printf_format(5, 6);
 
void av_vlog(void *avcl, int level, const char *fmt, va_list vl);
 
int av_log_get_level(void);
 
void av_log_set_level(int level);
 
void av_log_set_callback(void (*callback)(void*, int, const char*, va_list));
 
void av_log_default_callback(void *avcl, int level, const char *fmt,
                             va_list vl);
 
const char* av_default_item_name(void* ctx);
AVClassCategory av_default_get_category(void *ptr);
 
void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
                        char *line, int line_size, int *print_prefix);
 
int av_log_format_line2(void *ptr, int level, const char *fmt, va_list vl,
                        char *line, int line_size, int *print_prefix);
 
#define AV_LOG_SKIP_REPEATED 1
 
#define AV_LOG_PRINT_LEVEL 2
 
void av_log_set_flags(int arg);
int av_log_get_flags(void);
 
#define AVUTIL_PIXFMT_H
 
#define AVPALETTE_SIZE 1024
#define AVPALETTE_COUNT 256
 
enum AVPixelFormat {
    AV_PIX_FMT_NONE = -1,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUYV422,
    AV_PIX_FMT_RGB24,
    AV_PIX_FMT_BGR24,
    AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_YUV410P,
    AV_PIX_FMT_YUV411P,
    AV_PIX_FMT_GRAY8,
    AV_PIX_FMT_MONOWHITE,
    AV_PIX_FMT_MONOBLACK,
    AV_PIX_FMT_PAL8,
    AV_PIX_FMT_YUVJ420P,
    AV_PIX_FMT_YUVJ422P,
    AV_PIX_FMT_YUVJ444P,
    AV_PIX_FMT_UYVY422,
    AV_PIX_FMT_UYYVYY411,
    AV_PIX_FMT_BGR8,
    AV_PIX_FMT_BGR4,
    AV_PIX_FMT_BGR4_BYTE,
    AV_PIX_FMT_RGB8,
    AV_PIX_FMT_RGB4,
    AV_PIX_FMT_RGB4_BYTE,
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_NV21,
 
    AV_PIX_FMT_ARGB,
    AV_PIX_FMT_RGBA,
    AV_PIX_FMT_ABGR,
    AV_PIX_FMT_BGRA,
 
    AV_PIX_FMT_GRAY16BE,
    AV_PIX_FMT_GRAY16LE,
    AV_PIX_FMT_YUV440P,
    AV_PIX_FMT_YUVJ440P,
    AV_PIX_FMT_YUVA420P,
    AV_PIX_FMT_RGB48BE,
    AV_PIX_FMT_RGB48LE,
 
    AV_PIX_FMT_RGB565BE,
    AV_PIX_FMT_RGB565LE,
    AV_PIX_FMT_RGB555BE,
    AV_PIX_FMT_RGB555LE,
 
    AV_PIX_FMT_BGR565BE,
    AV_PIX_FMT_BGR565LE,
    AV_PIX_FMT_BGR555BE,
    AV_PIX_FMT_BGR555LE,
 
    AV_PIX_FMT_VAAPI,
 
    AV_PIX_FMT_YUV420P16LE,
    AV_PIX_FMT_YUV420P16BE,
    AV_PIX_FMT_YUV422P16LE,
    AV_PIX_FMT_YUV422P16BE,
    AV_PIX_FMT_YUV444P16LE,
    AV_PIX_FMT_YUV444P16BE,
    AV_PIX_FMT_DXVA2_VLD,
 
    AV_PIX_FMT_RGB444LE,
    AV_PIX_FMT_RGB444BE,
    AV_PIX_FMT_BGR444LE,
    AV_PIX_FMT_BGR444BE,
    AV_PIX_FMT_YA8,
 
    AV_PIX_FMT_Y400A = AV_PIX_FMT_YA8,
    AV_PIX_FMT_GRAY8A= AV_PIX_FMT_YA8,
 
    AV_PIX_FMT_BGR48BE,
    AV_PIX_FMT_BGR48LE,
 
    AV_PIX_FMT_YUV420P9BE,
    AV_PIX_FMT_YUV420P9LE,
    AV_PIX_FMT_YUV420P10BE,
    AV_PIX_FMT_YUV420P10LE,
    AV_PIX_FMT_YUV422P10BE,
    AV_PIX_FMT_YUV422P10LE,
    AV_PIX_FMT_YUV444P9BE,
    AV_PIX_FMT_YUV444P9LE,
    AV_PIX_FMT_YUV444P10BE,
    AV_PIX_FMT_YUV444P10LE,
    AV_PIX_FMT_YUV422P9BE,
    AV_PIX_FMT_YUV422P9LE,
    AV_PIX_FMT_GBRP,
    AV_PIX_FMT_GBR24P = AV_PIX_FMT_GBRP,
    AV_PIX_FMT_GBRP9BE,
    AV_PIX_FMT_GBRP9LE,
    AV_PIX_FMT_GBRP10BE,
    AV_PIX_FMT_GBRP10LE,
    AV_PIX_FMT_GBRP16BE,
    AV_PIX_FMT_GBRP16LE,
    AV_PIX_FMT_YUVA422P,
    AV_PIX_FMT_YUVA444P,
    AV_PIX_FMT_YUVA420P9BE,
    AV_PIX_FMT_YUVA420P9LE,
    AV_PIX_FMT_YUVA422P9BE,
    AV_PIX_FMT_YUVA422P9LE,
    AV_PIX_FMT_YUVA444P9BE,
    AV_PIX_FMT_YUVA444P9LE,
    AV_PIX_FMT_YUVA420P10BE,
    AV_PIX_FMT_YUVA420P10LE,
    AV_PIX_FMT_YUVA422P10BE,
    AV_PIX_FMT_YUVA422P10LE,
    AV_PIX_FMT_YUVA444P10BE,
    AV_PIX_FMT_YUVA444P10LE,
    AV_PIX_FMT_YUVA420P16BE,
    AV_PIX_FMT_YUVA420P16LE,
    AV_PIX_FMT_YUVA422P16BE,
    AV_PIX_FMT_YUVA422P16LE,
    AV_PIX_FMT_YUVA444P16BE,
    AV_PIX_FMT_YUVA444P16LE,
 
    AV_PIX_FMT_VDPAU,
 
    AV_PIX_FMT_XYZ12LE,
    AV_PIX_FMT_XYZ12BE,
    AV_PIX_FMT_NV16,
    AV_PIX_FMT_NV20LE,
    AV_PIX_FMT_NV20BE,
 
    AV_PIX_FMT_RGBA64BE,
    AV_PIX_FMT_RGBA64LE,
    AV_PIX_FMT_BGRA64BE,
    AV_PIX_FMT_BGRA64LE,
 
    AV_PIX_FMT_YVYU422,
 
    AV_PIX_FMT_YA16BE,
    AV_PIX_FMT_YA16LE,
 
    AV_PIX_FMT_GBRAP,
    AV_PIX_FMT_GBRAP16BE,
    AV_PIX_FMT_GBRAP16LE,
 
    AV_PIX_FMT_QSV,
 
    AV_PIX_FMT_MMAL,
 
    AV_PIX_FMT_D3D11VA_VLD,
 
    AV_PIX_FMT_CUDA,
 
    AV_PIX_FMT_0RGB,
    AV_PIX_FMT_RGB0,
    AV_PIX_FMT_0BGR,
    AV_PIX_FMT_BGR0,
 
    AV_PIX_FMT_YUV420P12BE,
    AV_PIX_FMT_YUV420P12LE,
    AV_PIX_FMT_YUV420P14BE,
    AV_PIX_FMT_YUV420P14LE,
    AV_PIX_FMT_YUV422P12BE,
    AV_PIX_FMT_YUV422P12LE,
    AV_PIX_FMT_YUV422P14BE,
    AV_PIX_FMT_YUV422P14LE,
    AV_PIX_FMT_YUV444P12BE,
    AV_PIX_FMT_YUV444P12LE,
    AV_PIX_FMT_YUV444P14BE,
    AV_PIX_FMT_YUV444P14LE,
    AV_PIX_FMT_GBRP12BE,
    AV_PIX_FMT_GBRP12LE,
    AV_PIX_FMT_GBRP14BE,
    AV_PIX_FMT_GBRP14LE,
    AV_PIX_FMT_YUVJ411P,
 
    AV_PIX_FMT_BAYER_BGGR8,
    AV_PIX_FMT_BAYER_RGGB8,
    AV_PIX_FMT_BAYER_GBRG8,
    AV_PIX_FMT_BAYER_GRBG8,
    AV_PIX_FMT_BAYER_BGGR16LE,
    AV_PIX_FMT_BAYER_BGGR16BE,
    AV_PIX_FMT_BAYER_RGGB16LE,
    AV_PIX_FMT_BAYER_RGGB16BE,
    AV_PIX_FMT_BAYER_GBRG16LE,
    AV_PIX_FMT_BAYER_GBRG16BE,
    AV_PIX_FMT_BAYER_GRBG16LE,
    AV_PIX_FMT_BAYER_GRBG16BE,
 
    AV_PIX_FMT_XVMC,
 
    AV_PIX_FMT_YUV440P10LE,
    AV_PIX_FMT_YUV440P10BE,
    AV_PIX_FMT_YUV440P12LE,
    AV_PIX_FMT_YUV440P12BE,
    AV_PIX_FMT_AYUV64LE,
    AV_PIX_FMT_AYUV64BE,
 
    AV_PIX_FMT_VIDEOTOOLBOX,
 
    AV_PIX_FMT_P010LE,
    AV_PIX_FMT_P010BE,
 
    AV_PIX_FMT_GBRAP12BE,
    AV_PIX_FMT_GBRAP12LE,
 
    AV_PIX_FMT_GBRAP10BE,
    AV_PIX_FMT_GBRAP10LE,
 
    AV_PIX_FMT_MEDIACODEC,
 
    AV_PIX_FMT_GRAY12BE,
    AV_PIX_FMT_GRAY12LE,
    AV_PIX_FMT_GRAY10BE,
    AV_PIX_FMT_GRAY10LE,
 
    AV_PIX_FMT_P016LE,
    AV_PIX_FMT_P016BE,
 
    AV_PIX_FMT_D3D11,
 
    AV_PIX_FMT_GRAY9BE,
    AV_PIX_FMT_GRAY9LE,
 
    AV_PIX_FMT_GBRPF32BE,
    AV_PIX_FMT_GBRPF32LE,
    AV_PIX_FMT_GBRAPF32BE,
    AV_PIX_FMT_GBRAPF32LE,
 
    AV_PIX_FMT_DRM_PRIME,
 
    AV_PIX_FMT_OPENCL,
 
    AV_PIX_FMT_GRAY14BE,
    AV_PIX_FMT_GRAY14LE,
 
    AV_PIX_FMT_GRAYF32BE,
    AV_PIX_FMT_GRAYF32LE,
 
    AV_PIX_FMT_YUVA422P12BE,
    AV_PIX_FMT_YUVA422P12LE,
    AV_PIX_FMT_YUVA444P12BE,
    AV_PIX_FMT_YUVA444P12LE,
 
    AV_PIX_FMT_NV24,
    AV_PIX_FMT_NV42,
 
    AV_PIX_FMT_VULKAN,
 
    AV_PIX_FMT_Y210BE,
    AV_PIX_FMT_Y210LE,
 
    AV_PIX_FMT_X2RGB10LE,
    AV_PIX_FMT_X2RGB10BE,
    AV_PIX_FMT_X2BGR10LE,
    AV_PIX_FMT_X2BGR10BE,
 
    AV_PIX_FMT_P210BE,
    AV_PIX_FMT_P210LE,
 
    AV_PIX_FMT_P410BE,
    AV_PIX_FMT_P410LE,
 
    AV_PIX_FMT_P216BE,
    AV_PIX_FMT_P216LE,
 
    AV_PIX_FMT_P416BE,
    AV_PIX_FMT_P416LE,
 
    AV_PIX_FMT_NB
};
 
#   define AV_PIX_FMT_NE(be, le) AV_PIX_FMT_##le
 
#define AV_PIX_FMT_RGB32   AV_PIX_FMT_NE(ARGB, BGRA)
#define AV_PIX_FMT_RGB32_1 AV_PIX_FMT_NE(RGBA, ABGR)
#define AV_PIX_FMT_BGR32   AV_PIX_FMT_NE(ABGR, RGBA)
#define AV_PIX_FMT_BGR32_1 AV_PIX_FMT_NE(BGRA, ARGB)
#define AV_PIX_FMT_0RGB32  AV_PIX_FMT_NE(0RGB, BGR0)
#define AV_PIX_FMT_0BGR32  AV_PIX_FMT_NE(0BGR, RGB0)
 
#define AV_PIX_FMT_GRAY9  AV_PIX_FMT_NE(GRAY9BE,  GRAY9LE)
#define AV_PIX_FMT_GRAY10 AV_PIX_FMT_NE(GRAY10BE, GRAY10LE)
#define AV_PIX_FMT_GRAY12 AV_PIX_FMT_NE(GRAY12BE, GRAY12LE)
#define AV_PIX_FMT_GRAY14 AV_PIX_FMT_NE(GRAY14BE, GRAY14LE)
#define AV_PIX_FMT_GRAY16 AV_PIX_FMT_NE(GRAY16BE, GRAY16LE)
#define AV_PIX_FMT_YA16   AV_PIX_FMT_NE(YA16BE,   YA16LE)
#define AV_PIX_FMT_RGB48  AV_PIX_FMT_NE(RGB48BE,  RGB48LE)
#define AV_PIX_FMT_RGB565 AV_PIX_FMT_NE(RGB565BE, RGB565LE)
#define AV_PIX_FMT_RGB555 AV_PIX_FMT_NE(RGB555BE, RGB555LE)
#define AV_PIX_FMT_RGB444 AV_PIX_FMT_NE(RGB444BE, RGB444LE)
#define AV_PIX_FMT_RGBA64 AV_PIX_FMT_NE(RGBA64BE, RGBA64LE)
#define AV_PIX_FMT_BGR48  AV_PIX_FMT_NE(BGR48BE,  BGR48LE)
#define AV_PIX_FMT_BGR565 AV_PIX_FMT_NE(BGR565BE, BGR565LE)
#define AV_PIX_FMT_BGR555 AV_PIX_FMT_NE(BGR555BE, BGR555LE)
#define AV_PIX_FMT_BGR444 AV_PIX_FMT_NE(BGR444BE, BGR444LE)
#define AV_PIX_FMT_BGRA64 AV_PIX_FMT_NE(BGRA64BE, BGRA64LE)
 
#define AV_PIX_FMT_YUV420P9  AV_PIX_FMT_NE(YUV420P9BE , YUV420P9LE)
#define AV_PIX_FMT_YUV422P9  AV_PIX_FMT_NE(YUV422P9BE , YUV422P9LE)
#define AV_PIX_FMT_YUV444P9  AV_PIX_FMT_NE(YUV444P9BE , YUV444P9LE)
#define AV_PIX_FMT_YUV420P10 AV_PIX_FMT_NE(YUV420P10BE, YUV420P10LE)
#define AV_PIX_FMT_YUV422P10 AV_PIX_FMT_NE(YUV422P10BE, YUV422P10LE)
#define AV_PIX_FMT_YUV440P10 AV_PIX_FMT_NE(YUV440P10BE, YUV440P10LE)
#define AV_PIX_FMT_YUV444P10 AV_PIX_FMT_NE(YUV444P10BE, YUV444P10LE)
#define AV_PIX_FMT_YUV420P12 AV_PIX_FMT_NE(YUV420P12BE, YUV420P12LE)
#define AV_PIX_FMT_YUV422P12 AV_PIX_FMT_NE(YUV422P12BE, YUV422P12LE)
#define AV_PIX_FMT_YUV440P12 AV_PIX_FMT_NE(YUV440P12BE, YUV440P12LE)
#define AV_PIX_FMT_YUV444P12 AV_PIX_FMT_NE(YUV444P12BE, YUV444P12LE)
#define AV_PIX_FMT_YUV420P14 AV_PIX_FMT_NE(YUV420P14BE, YUV420P14LE)
#define AV_PIX_FMT_YUV422P14 AV_PIX_FMT_NE(YUV422P14BE, YUV422P14LE)
#define AV_PIX_FMT_YUV444P14 AV_PIX_FMT_NE(YUV444P14BE, YUV444P14LE)
#define AV_PIX_FMT_YUV420P16 AV_PIX_FMT_NE(YUV420P16BE, YUV420P16LE)
#define AV_PIX_FMT_YUV422P16 AV_PIX_FMT_NE(YUV422P16BE, YUV422P16LE)
#define AV_PIX_FMT_YUV444P16 AV_PIX_FMT_NE(YUV444P16BE, YUV444P16LE)
 
#define AV_PIX_FMT_GBRP9     AV_PIX_FMT_NE(GBRP9BE ,    GBRP9LE)
#define AV_PIX_FMT_GBRP10    AV_PIX_FMT_NE(GBRP10BE,    GBRP10LE)
#define AV_PIX_FMT_GBRP12    AV_PIX_FMT_NE(GBRP12BE,    GBRP12LE)
#define AV_PIX_FMT_GBRP14    AV_PIX_FMT_NE(GBRP14BE,    GBRP14LE)
#define AV_PIX_FMT_GBRP16    AV_PIX_FMT_NE(GBRP16BE,    GBRP16LE)
#define AV_PIX_FMT_GBRAP10   AV_PIX_FMT_NE(GBRAP10BE,   GBRAP10LE)
#define AV_PIX_FMT_GBRAP12   AV_PIX_FMT_NE(GBRAP12BE,   GBRAP12LE)
#define AV_PIX_FMT_GBRAP16   AV_PIX_FMT_NE(GBRAP16BE,   GBRAP16LE)
 
#define AV_PIX_FMT_BAYER_BGGR16 AV_PIX_FMT_NE(BAYER_BGGR16BE,    BAYER_BGGR16LE)
#define AV_PIX_FMT_BAYER_RGGB16 AV_PIX_FMT_NE(BAYER_RGGB16BE,    BAYER_RGGB16LE)
#define AV_PIX_FMT_BAYER_GBRG16 AV_PIX_FMT_NE(BAYER_GBRG16BE,    BAYER_GBRG16LE)
#define AV_PIX_FMT_BAYER_GRBG16 AV_PIX_FMT_NE(BAYER_GRBG16BE,    BAYER_GRBG16LE)
 
#define AV_PIX_FMT_GBRPF32    AV_PIX_FMT_NE(GBRPF32BE,  GBRPF32LE)
#define AV_PIX_FMT_GBRAPF32   AV_PIX_FMT_NE(GBRAPF32BE, GBRAPF32LE)
 
#define AV_PIX_FMT_GRAYF32    AV_PIX_FMT_NE(GRAYF32BE, GRAYF32LE)
 
#define AV_PIX_FMT_YUVA420P9  AV_PIX_FMT_NE(YUVA420P9BE , YUVA420P9LE)
#define AV_PIX_FMT_YUVA422P9  AV_PIX_FMT_NE(YUVA422P9BE , YUVA422P9LE)
#define AV_PIX_FMT_YUVA444P9  AV_PIX_FMT_NE(YUVA444P9BE , YUVA444P9LE)
#define AV_PIX_FMT_YUVA420P10 AV_PIX_FMT_NE(YUVA420P10BE, YUVA420P10LE)
#define AV_PIX_FMT_YUVA422P10 AV_PIX_FMT_NE(YUVA422P10BE, YUVA422P10LE)
#define AV_PIX_FMT_YUVA444P10 AV_PIX_FMT_NE(YUVA444P10BE, YUVA444P10LE)
#define AV_PIX_FMT_YUVA422P12 AV_PIX_FMT_NE(YUVA422P12BE, YUVA422P12LE)
#define AV_PIX_FMT_YUVA444P12 AV_PIX_FMT_NE(YUVA444P12BE, YUVA444P12LE)
#define AV_PIX_FMT_YUVA420P16 AV_PIX_FMT_NE(YUVA420P16BE, YUVA420P16LE)
#define AV_PIX_FMT_YUVA422P16 AV_PIX_FMT_NE(YUVA422P16BE, YUVA422P16LE)
#define AV_PIX_FMT_YUVA444P16 AV_PIX_FMT_NE(YUVA444P16BE, YUVA444P16LE)
 
#define AV_PIX_FMT_XYZ12      AV_PIX_FMT_NE(XYZ12BE, XYZ12LE)
#define AV_PIX_FMT_NV20       AV_PIX_FMT_NE(NV20BE,  NV20LE)
#define AV_PIX_FMT_AYUV64     AV_PIX_FMT_NE(AYUV64BE, AYUV64LE)
#define AV_PIX_FMT_P010       AV_PIX_FMT_NE(P010BE,  P010LE)
#define AV_PIX_FMT_P016       AV_PIX_FMT_NE(P016BE,  P016LE)
 
#define AV_PIX_FMT_Y210       AV_PIX_FMT_NE(Y210BE,  Y210LE)
#define AV_PIX_FMT_X2RGB10    AV_PIX_FMT_NE(X2RGB10BE, X2RGB10LE)
#define AV_PIX_FMT_X2BGR10    AV_PIX_FMT_NE(X2BGR10BE, X2BGR10LE)
 
#define AV_PIX_FMT_P210       AV_PIX_FMT_NE(P210BE, P210LE)
#define AV_PIX_FMT_P410       AV_PIX_FMT_NE(P410BE, P410LE)
#define AV_PIX_FMT_P216       AV_PIX_FMT_NE(P216BE, P216LE)
#define AV_PIX_FMT_P416       AV_PIX_FMT_NE(P416BE, P416LE)
 
enum AVColorPrimaries {
    AVCOL_PRI_RESERVED0   = 0,
    AVCOL_PRI_BT709       = 1,
    AVCOL_PRI_UNSPECIFIED = 2,
    AVCOL_PRI_RESERVED    = 3,
    AVCOL_PRI_BT470M      = 4,
 
    AVCOL_PRI_BT470BG     = 5,
    AVCOL_PRI_SMPTE170M   = 6,
    AVCOL_PRI_SMPTE240M   = 7,
    AVCOL_PRI_FILM        = 8,
    AVCOL_PRI_BT2020      = 9,
    AVCOL_PRI_SMPTE428    = 10,
    AVCOL_PRI_SMPTEST428_1 = AVCOL_PRI_SMPTE428,
    AVCOL_PRI_SMPTE431    = 11,
    AVCOL_PRI_SMPTE432    = 12,
    AVCOL_PRI_EBU3213     = 22,
    AVCOL_PRI_JEDEC_P22   = AVCOL_PRI_EBU3213,
    AVCOL_PRI_NB
};
 
enum AVColorTransferCharacteristic {
    AVCOL_TRC_RESERVED0    = 0,
    AVCOL_TRC_BT709        = 1,
    AVCOL_TRC_UNSPECIFIED  = 2,
    AVCOL_TRC_RESERVED     = 3,
    AVCOL_TRC_GAMMA22      = 4,
    AVCOL_TRC_GAMMA28      = 5,
    AVCOL_TRC_SMPTE170M    = 6,
    AVCOL_TRC_SMPTE240M    = 7,
    AVCOL_TRC_LINEAR       = 8,
    AVCOL_TRC_LOG          = 9,
    AVCOL_TRC_LOG_SQRT     = 10,
    AVCOL_TRC_IEC61966_2_4 = 11,
    AVCOL_TRC_BT1361_ECG   = 12,
    AVCOL_TRC_IEC61966_2_1 = 13,
    AVCOL_TRC_BT2020_10    = 14,
    AVCOL_TRC_BT2020_12    = 15,
    AVCOL_TRC_SMPTE2084    = 16,
    AVCOL_TRC_SMPTEST2084  = AVCOL_TRC_SMPTE2084,
    AVCOL_TRC_SMPTE428     = 17,
    AVCOL_TRC_SMPTEST428_1 = AVCOL_TRC_SMPTE428,
    AVCOL_TRC_ARIB_STD_B67 = 18,
    AVCOL_TRC_NB
};
 
enum AVColorSpace {
    AVCOL_SPC_RGB         = 0,
    AVCOL_SPC_BT709       = 1,
    AVCOL_SPC_UNSPECIFIED = 2,
    AVCOL_SPC_RESERVED    = 3,
    AVCOL_SPC_FCC         = 4,
    AVCOL_SPC_BT470BG     = 5,
    AVCOL_SPC_SMPTE170M   = 6,
    AVCOL_SPC_SMPTE240M   = 7,
    AVCOL_SPC_YCGCO       = 8,
    AVCOL_SPC_YCOCG       = AVCOL_SPC_YCGCO,
    AVCOL_SPC_BT2020_NCL  = 9,
    AVCOL_SPC_BT2020_CL   = 10,
    AVCOL_SPC_SMPTE2085   = 11,
    AVCOL_SPC_CHROMA_DERIVED_NCL = 12,
    AVCOL_SPC_CHROMA_DERIVED_CL = 13,
    AVCOL_SPC_ICTCP       = 14,
    AVCOL_SPC_NB
};
 
enum AVColorRange {
    AVCOL_RANGE_UNSPECIFIED = 0,
 
    AVCOL_RANGE_MPEG        = 1,
 
    AVCOL_RANGE_JPEG        = 2,
    AVCOL_RANGE_NB
};
 
enum AVChromaLocation {
    AVCHROMA_LOC_UNSPECIFIED = 0,
    AVCHROMA_LOC_LEFT        = 1,
    AVCHROMA_LOC_CENTER      = 2,
    AVCHROMA_LOC_TOPLEFT     = 3,
    AVCHROMA_LOC_TOP         = 4,
    AVCHROMA_LOC_BOTTOMLEFT  = 5,
    AVCHROMA_LOC_BOTTOM      = 6,
    AVCHROMA_LOC_NB
};
 
static inline void *av_x_if_null(const void *p, const void *x)
{
    return (void *)(intptr_t)(p ? p : x);
}
 
unsigned av_int_list_length_for_size(unsigned elsize,
                                     const void *list, uint64_t term) av_pure;
 
#define av_int_list_length(list, term) \
    av_int_list_length_for_size(sizeof(*(list)), list, term)
 
FILE *av_fopen_utf8(const char *path, const char *mode);
 
AVRational av_get_time_base_q(void);
 
#define AV_FOURCC_MAX_STRING_SIZE 32
 
#define av_fourcc2str(fourcc) av_fourcc_make_string((char[AV_FOURCC_MAX_STRING_SIZE]){0}, fourcc)
 
char *av_fourcc_make_string(char *buf, uint32_t fourcc);
 
enum AVSampleFormat {
    AV_SAMPLE_FMT_NONE = -1,
    AV_SAMPLE_FMT_U8,
    AV_SAMPLE_FMT_S16,
    AV_SAMPLE_FMT_S32,
    AV_SAMPLE_FMT_FLT,
    AV_SAMPLE_FMT_DBL,
 
    AV_SAMPLE_FMT_U8P,
    AV_SAMPLE_FMT_S16P,
    AV_SAMPLE_FMT_S32P,
    AV_SAMPLE_FMT_FLTP,
    AV_SAMPLE_FMT_DBLP,
    AV_SAMPLE_FMT_S64,
    AV_SAMPLE_FMT_S64P,
 
    AV_SAMPLE_FMT_NB
};
 
const char *av_get_sample_fmt_name(enum AVSampleFormat sample_fmt);
 
enum AVSampleFormat av_get_sample_fmt(const char *name);
 
enum AVSampleFormat av_get_alt_sample_fmt(enum AVSampleFormat sample_fmt, int planar);
 
enum AVSampleFormat av_get_packed_sample_fmt(enum AVSampleFormat sample_fmt);
 
enum AVSampleFormat av_get_planar_sample_fmt(enum AVSampleFormat sample_fmt);
 
char *av_get_sample_fmt_string(char *buf, int buf_size, enum AVSampleFormat sample_fmt);
 
int av_get_bytes_per_sample(enum AVSampleFormat sample_fmt);
 
int av_sample_fmt_is_planar(enum AVSampleFormat sample_fmt);
 
int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
                               enum AVSampleFormat sample_fmt, int align);
 
int av_samples_fill_arrays(uint8_t **audio_data, int *linesize,
                           const uint8_t *buf,
                           int nb_channels, int nb_samples,
                           enum AVSampleFormat sample_fmt, int align);
 
int av_samples_alloc(uint8_t **audio_data, int *linesize, int nb_channels,
                     int nb_samples, enum AVSampleFormat sample_fmt, int align);
 
int av_samples_alloc_array_and_samples(uint8_t ***audio_data, int *linesize, int nb_channels,
                                       int nb_samples, enum AVSampleFormat sample_fmt, int align);
 
int av_samples_copy(uint8_t **dst, uint8_t * const *src, int dst_offset,
                    int src_offset, int nb_samples, int nb_channels,
                    enum AVSampleFormat sample_fmt);
 
int av_samples_set_silence(uint8_t **audio_data, int offset, int nb_samples,
                           int nb_channels, enum AVSampleFormat sample_fmt);
 
#define AVUTIL_BUFFER_H
 
typedef struct AVBuffer AVBuffer;
 
typedef struct AVBufferRef {
    AVBuffer *buffer;
 
    uint8_t *data;
 
    size_t   size;
} AVBufferRef;
 
AVBufferRef *av_buffer_alloc(size_t size);
 
AVBufferRef *av_buffer_allocz(size_t size);
 
#define AV_BUFFER_FLAG_READONLY (1 << 0)
 
AVBufferRef *av_buffer_create(uint8_t *data, size_t size,
                              void (*free)(void *opaque, uint8_t *data),
                              void *opaque, int flags);
 
void av_buffer_default_free(void *opaque, uint8_t *data);
 
AVBufferRef *av_buffer_ref(const AVBufferRef *buf);
 
void av_buffer_unref(AVBufferRef **buf);
 
int av_buffer_is_writable(const AVBufferRef *buf);
 
void *av_buffer_get_opaque(const AVBufferRef *buf);
 
int av_buffer_get_ref_count(const AVBufferRef *buf);
 
int av_buffer_make_writable(AVBufferRef **buf);
 
int av_buffer_realloc(AVBufferRef **buf, size_t size);
 
int av_buffer_replace(AVBufferRef **dst, const AVBufferRef *src);
 
typedef struct AVBufferPool AVBufferPool;
 
AVBufferPool *av_buffer_pool_init(size_t size, AVBufferRef* (*alloc)(size_t size));
 
AVBufferPool *av_buffer_pool_init2(size_t size, void *opaque,
                                   AVBufferRef* (*alloc)(void *opaque, size_t size),
                                   void (*pool_free)(void *opaque));
 
void av_buffer_pool_uninit(AVBufferPool **pool);
 
AVBufferRef *av_buffer_pool_get(AVBufferPool *pool);
 
void *av_buffer_pool_buffer_get_opaque(const AVBufferRef *ref);
 
#define AVUTIL_DICT_H
 
#define AV_DICT_MATCH_CASE      1
#define AV_DICT_IGNORE_SUFFIX   2
 
#define AV_DICT_DONT_STRDUP_KEY 4
 
#define AV_DICT_DONT_STRDUP_VAL 8
 
#define AV_DICT_DONT_OVERWRITE 16
#define AV_DICT_APPEND         32
 
#define AV_DICT_MULTIKEY       64
 
typedef struct AVDictionaryEntry {
    char *key;
    char *value;
} AVDictionaryEntry;
 
typedef struct AVDictionary AVDictionary;
 
AVDictionaryEntry *av_dict_get(const AVDictionary *m, const char *key,
                               const AVDictionaryEntry *prev, int flags);
 
int av_dict_count(const AVDictionary *m);
 
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags);
 
int av_dict_set_int(AVDictionary **pm, const char *key, int64_t value, int flags);
 
int av_dict_parse_string(AVDictionary **pm, const char *str,
                         const char *key_val_sep, const char *pairs_sep,
                         int flags);
 
int av_dict_copy(AVDictionary **dst, const AVDictionary *src, int flags);
 
void av_dict_free(AVDictionary **m);
 
int av_dict_get_string(const AVDictionary *m, char **buffer,
                       const char key_val_sep, const char pairs_sep);
 
#define AVUTIL_FRAME_H
 
enum AVFrameSideDataType {
 
    AV_FRAME_DATA_PANSCAN,
 
    AV_FRAME_DATA_A53_CC,
 
    AV_FRAME_DATA_STEREO3D,
 
    AV_FRAME_DATA_MATRIXENCODING,
 
    AV_FRAME_DATA_DOWNMIX_INFO,
 
    AV_FRAME_DATA_REPLAYGAIN,
 
    AV_FRAME_DATA_DISPLAYMATRIX,
 
    AV_FRAME_DATA_AFD,
 
    AV_FRAME_DATA_MOTION_VECTORS,
 
    AV_FRAME_DATA_SKIP_SAMPLES,
 
    AV_FRAME_DATA_AUDIO_SERVICE_TYPE,
 
    AV_FRAME_DATA_MASTERING_DISPLAY_METADATA,
 
    AV_FRAME_DATA_GOP_TIMECODE,
 
    AV_FRAME_DATA_SPHERICAL,
 
    AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
 
    AV_FRAME_DATA_ICC_PROFILE,
 
    AV_FRAME_DATA_S12M_TIMECODE,
 
    AV_FRAME_DATA_DYNAMIC_HDR_PLUS,
 
    AV_FRAME_DATA_REGIONS_OF_INTEREST,
 
    AV_FRAME_DATA_VIDEO_ENC_PARAMS,
 
    AV_FRAME_DATA_SEI_UNREGISTERED,
 
    AV_FRAME_DATA_FILM_GRAIN_PARAMS,
 
    AV_FRAME_DATA_DETECTION_BBOXES,
 
    AV_FRAME_DATA_DOVI_RPU_BUFFER,
 
    AV_FRAME_DATA_DOVI_METADATA,
};
 
enum AVActiveFormatDescription {
    AV_AFD_SAME         = 8,
    AV_AFD_4_3          = 9,
    AV_AFD_16_9         = 10,
    AV_AFD_14_9         = 11,
    AV_AFD_4_3_SP_14_9  = 13,
    AV_AFD_16_9_SP_14_9 = 14,
    AV_AFD_SP_4_3       = 15,
};
 
typedef struct AVFrameSideData {
    enum AVFrameSideDataType type;
    uint8_t *data;
    size_t   size;
    AVDictionary *metadata;
    AVBufferRef *buf;
} AVFrameSideData;
 
typedef struct AVRegionOfInterest {
 
    uint32_t self_size;
 
    int top;
    int bottom;
    int left;
    int right;
 
    AVRational qoffset;
} AVRegionOfInterest;
 
typedef struct AVFrame {
#define AV_NUM_DATA_POINTERS 8
 
    uint8_t *data[AV_NUM_DATA_POINTERS];
 
    int linesize[AV_NUM_DATA_POINTERS];
 
    uint8_t **extended_data;
 
    int width, height;
 
    int nb_samples;
 
    int format;
 
    int key_frame;
 
    enum AVPictureType pict_type;
 
    AVRational sample_aspect_ratio;
 
    int64_t pts;
 
    int64_t pkt_dts;
 
    AVRational time_base;
 
    int coded_picture_number;
 
    int display_picture_number;
 
    int quality;
 
    void *opaque;
 
    int repeat_pict;
 
    int interlaced_frame;
 
    int top_field_first;
 
    int palette_has_changed;
 
    int64_t reordered_opaque;
 
    int sample_rate;
 
    uint64_t channel_layout;
 
    AVBufferRef *buf[AV_NUM_DATA_POINTERS];
 
    AVBufferRef **extended_buf;
 
    int        nb_extended_buf;
 
    AVFrameSideData **side_data;
    int            nb_side_data;
 
#define AV_FRAME_FLAG_CORRUPT       (1 << 0)
 
#define AV_FRAME_FLAG_DISCARD   (1 << 2)
 
    int flags;
 
    enum AVColorRange color_range;
 
    enum AVColorPrimaries color_primaries;
 
    enum AVColorTransferCharacteristic color_trc;
 
    enum AVColorSpace colorspace;
 
    enum AVChromaLocation chroma_location;
 
    int64_t best_effort_timestamp;
 
    int64_t pkt_pos;
 
    int64_t pkt_duration;
 
    AVDictionary *metadata;
 
    int decode_error_flags;
#define FF_DECODE_ERROR_INVALID_BITSTREAM   1
#define FF_DECODE_ERROR_MISSING_REFERENCE   2
#define FF_DECODE_ERROR_CONCEALMENT_ACTIVE  4
#define FF_DECODE_ERROR_DECODE_SLICES       8
 
    int channels;
 
    int pkt_size;
 
    AVBufferRef *hw_frames_ctx;
 
    AVBufferRef *opaque_ref;
 
    size_t crop_top;
    size_t crop_bottom;
    size_t crop_left;
    size_t crop_right;
 
    AVBufferRef *private_ref;
} AVFrame;
 
attribute_deprecated
const char *av_get_colorspace_name(enum AVColorSpace val);
 
AVFrame *av_frame_alloc(void);
 
void av_frame_free(AVFrame **frame);
 
int av_frame_ref(AVFrame *dst, const AVFrame *src);
 
AVFrame *av_frame_clone(const AVFrame *src);
 
void av_frame_unref(AVFrame *frame);
 
void av_frame_move_ref(AVFrame *dst, AVFrame *src);
 
int av_frame_get_buffer(AVFrame *frame, int align);
 
int av_frame_is_writable(AVFrame *frame);
 
int av_frame_make_writable(AVFrame *frame);
 
int av_frame_copy(AVFrame *dst, const AVFrame *src);
 
int av_frame_copy_props(AVFrame *dst, const AVFrame *src);
 
AVBufferRef *av_frame_get_plane_buffer(AVFrame *frame, int plane);
 
AVFrameSideData *av_frame_new_side_data(AVFrame *frame,
                                        enum AVFrameSideDataType type,
                                        size_t size);
 
AVFrameSideData *av_frame_new_side_data_from_buf(AVFrame *frame,
                                                 enum AVFrameSideDataType type,
                                                 AVBufferRef *buf);
 
AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
                                        enum AVFrameSideDataType type);
 
void av_frame_remove_side_data(AVFrame *frame, enum AVFrameSideDataType type);
 
enum {
 
    AV_FRAME_CROP_UNALIGNED     = 1 << 0,
};
 
int av_frame_apply_cropping(AVFrame *frame, int flags);
 
const char *av_frame_side_data_name(enum AVFrameSideDataType type);
 
#define AVCODEC_CODEC_H
 
#define AVUTIL_HWCONTEXT_H
 
enum AVHWDeviceType {
    AV_HWDEVICE_TYPE_NONE,
    AV_HWDEVICE_TYPE_VDPAU,
    AV_HWDEVICE_TYPE_CUDA,
    AV_HWDEVICE_TYPE_VAAPI,
    AV_HWDEVICE_TYPE_DXVA2,
    AV_HWDEVICE_TYPE_QSV,
    AV_HWDEVICE_TYPE_VIDEOTOOLBOX,
    AV_HWDEVICE_TYPE_D3D11VA,
    AV_HWDEVICE_TYPE_DRM,
    AV_HWDEVICE_TYPE_OPENCL,
    AV_HWDEVICE_TYPE_MEDIACODEC,
    AV_HWDEVICE_TYPE_VULKAN,
};
 
typedef struct AVHWDeviceInternal AVHWDeviceInternal;
 
typedef struct AVHWDeviceContext {
 
    const AVClass *av_class;
 
    AVHWDeviceInternal *internal;
 
    enum AVHWDeviceType type;
 
    void *hwctx;
 
    void (*free)(struct AVHWDeviceContext *ctx);
 
    void *user_opaque;
} AVHWDeviceContext;
 
typedef struct AVHWFramesInternal AVHWFramesInternal;
 
typedef struct AVHWFramesContext {
 
    const AVClass *av_class;
 
    AVHWFramesInternal *internal;
 
    AVBufferRef *device_ref;
 
    AVHWDeviceContext *device_ctx;
 
    void *hwctx;
 
    void (*free)(struct AVHWFramesContext *ctx);
 
    void *user_opaque;
 
    AVBufferPool *pool;
 
    int initial_pool_size;
 
    enum AVPixelFormat format;
 
    enum AVPixelFormat sw_format;
 
    int width, height;
} AVHWFramesContext;
 
enum AVHWDeviceType av_hwdevice_find_type_by_name(const char *name);
 
const char *av_hwdevice_get_type_name(enum AVHWDeviceType type);
 
enum AVHWDeviceType av_hwdevice_iterate_types(enum AVHWDeviceType prev);
 
AVBufferRef *av_hwdevice_ctx_alloc(enum AVHWDeviceType type);
 
int av_hwdevice_ctx_init(AVBufferRef *ref);
 
int av_hwdevice_ctx_create(AVBufferRef **device_ctx, enum AVHWDeviceType type,
                           const char *device, AVDictionary *opts, int flags);
 
int av_hwdevice_ctx_create_derived(AVBufferRef **dst_ctx,
                                   enum AVHWDeviceType type,
                                   AVBufferRef *src_ctx, int flags);
 
int av_hwdevice_ctx_create_derived_opts(AVBufferRef **dst_ctx,
                                        enum AVHWDeviceType type,
                                        AVBufferRef *src_ctx,
                                        AVDictionary *options, int flags);
 
AVBufferRef *av_hwframe_ctx_alloc(AVBufferRef *device_ctx);
 
int av_hwframe_ctx_init(AVBufferRef *ref);
 
int av_hwframe_get_buffer(AVBufferRef *hwframe_ctx, AVFrame *frame, int flags);
 
int av_hwframe_transfer_data(AVFrame *dst, const AVFrame *src, int flags);
 
enum AVHWFrameTransferDirection {
 
    AV_HWFRAME_TRANSFER_DIRECTION_FROM,
 
    AV_HWFRAME_TRANSFER_DIRECTION_TO,
};
 
int av_hwframe_transfer_get_formats(AVBufferRef *hwframe_ctx,
                                    enum AVHWFrameTransferDirection dir,
                                    enum AVPixelFormat **formats, int flags);
 
typedef struct AVHWFramesConstraints {
 
    enum AVPixelFormat *valid_hw_formats;
 
    enum AVPixelFormat *valid_sw_formats;
 
    int min_width;
    int min_height;
 
    int max_width;
    int max_height;
} AVHWFramesConstraints;
 
void *av_hwdevice_hwconfig_alloc(AVBufferRef *device_ctx);
 
AVHWFramesConstraints *av_hwdevice_get_hwframe_constraints(AVBufferRef *ref,
                                                           const void *hwconfig);
 
void av_hwframe_constraints_free(AVHWFramesConstraints **constraints);
 
enum {
 
    AV_HWFRAME_MAP_READ      = 1 << 0,
 
    AV_HWFRAME_MAP_WRITE     = 1 << 1,
 
    AV_HWFRAME_MAP_OVERWRITE = 1 << 2,
 
    AV_HWFRAME_MAP_DIRECT    = 1 << 3,
};
 
int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags);
 
int av_hwframe_ctx_create_derived(AVBufferRef **derived_frame_ctx,
                                  enum AVPixelFormat format,
                                  AVBufferRef *derived_device_ctx,
                                  AVBufferRef *source_frame_ctx,
                                  int flags);
 
#define AVCODEC_CODEC_ID_H
 
enum AVCodecID {
    AV_CODEC_ID_NONE,
 
    AV_CODEC_ID_MPEG1VIDEO,
    AV_CODEC_ID_MPEG2VIDEO,
    AV_CODEC_ID_H261,
    AV_CODEC_ID_H263,
    AV_CODEC_ID_RV10,
    AV_CODEC_ID_RV20,
    AV_CODEC_ID_MJPEG,
    AV_CODEC_ID_MJPEGB,
    AV_CODEC_ID_LJPEG,
    AV_CODEC_ID_SP5X,
    AV_CODEC_ID_JPEGLS,
    AV_CODEC_ID_MPEG4,
    AV_CODEC_ID_RAWVIDEO,
    AV_CODEC_ID_MSMPEG4V1,
    AV_CODEC_ID_MSMPEG4V2,
    AV_CODEC_ID_MSMPEG4V3,
    AV_CODEC_ID_WMV1,
    AV_CODEC_ID_WMV2,
    AV_CODEC_ID_H263P,
    AV_CODEC_ID_H263I,
    AV_CODEC_ID_FLV1,
    AV_CODEC_ID_SVQ1,
    AV_CODEC_ID_SVQ3,
    AV_CODEC_ID_DVVIDEO,
    AV_CODEC_ID_HUFFYUV,
    AV_CODEC_ID_CYUV,
    AV_CODEC_ID_H264,
    AV_CODEC_ID_INDEO3,
    AV_CODEC_ID_VP3,
    AV_CODEC_ID_THEORA,
    AV_CODEC_ID_ASV1,
    AV_CODEC_ID_ASV2,
    AV_CODEC_ID_FFV1,
    AV_CODEC_ID_4XM,
    AV_CODEC_ID_VCR1,
    AV_CODEC_ID_CLJR,
    AV_CODEC_ID_MDEC,
    AV_CODEC_ID_ROQ,
    AV_CODEC_ID_INTERPLAY_VIDEO,
    AV_CODEC_ID_XAN_WC3,
    AV_CODEC_ID_XAN_WC4,
    AV_CODEC_ID_RPZA,
    AV_CODEC_ID_CINEPAK,
    AV_CODEC_ID_WS_VQA,
    AV_CODEC_ID_MSRLE,
    AV_CODEC_ID_MSVIDEO1,
    AV_CODEC_ID_IDCIN,
    AV_CODEC_ID_8BPS,
    AV_CODEC_ID_SMC,
    AV_CODEC_ID_FLIC,
    AV_CODEC_ID_TRUEMOTION1,
    AV_CODEC_ID_VMDVIDEO,
    AV_CODEC_ID_MSZH,
    AV_CODEC_ID_ZLIB,
    AV_CODEC_ID_QTRLE,
    AV_CODEC_ID_TSCC,
    AV_CODEC_ID_ULTI,
    AV_CODEC_ID_QDRAW,
    AV_CODEC_ID_VIXL,
    AV_CODEC_ID_QPEG,
    AV_CODEC_ID_PNG,
    AV_CODEC_ID_PPM,
    AV_CODEC_ID_PBM,
    AV_CODEC_ID_PGM,
    AV_CODEC_ID_PGMYUV,
    AV_CODEC_ID_PAM,
    AV_CODEC_ID_FFVHUFF,
    AV_CODEC_ID_RV30,
    AV_CODEC_ID_RV40,
    AV_CODEC_ID_VC1,
    AV_CODEC_ID_WMV3,
    AV_CODEC_ID_LOCO,
    AV_CODEC_ID_WNV1,
    AV_CODEC_ID_AASC,
    AV_CODEC_ID_INDEO2,
    AV_CODEC_ID_FRAPS,
    AV_CODEC_ID_TRUEMOTION2,
    AV_CODEC_ID_BMP,
    AV_CODEC_ID_CSCD,
    AV_CODEC_ID_MMVIDEO,
    AV_CODEC_ID_ZMBV,
    AV_CODEC_ID_AVS,
    AV_CODEC_ID_SMACKVIDEO,
    AV_CODEC_ID_NUV,
    AV_CODEC_ID_KMVC,
    AV_CODEC_ID_FLASHSV,
    AV_CODEC_ID_CAVS,
    AV_CODEC_ID_JPEG2000,
    AV_CODEC_ID_VMNC,
    AV_CODEC_ID_VP5,
    AV_CODEC_ID_VP6,
    AV_CODEC_ID_VP6F,
    AV_CODEC_ID_TARGA,
    AV_CODEC_ID_DSICINVIDEO,
    AV_CODEC_ID_TIERTEXSEQVIDEO,
    AV_CODEC_ID_TIFF,
    AV_CODEC_ID_GIF,
    AV_CODEC_ID_DXA,
    AV_CODEC_ID_DNXHD,
    AV_CODEC_ID_THP,
    AV_CODEC_ID_SGI,
    AV_CODEC_ID_C93,
    AV_CODEC_ID_BETHSOFTVID,
    AV_CODEC_ID_PTX,
    AV_CODEC_ID_TXD,
    AV_CODEC_ID_VP6A,
    AV_CODEC_ID_AMV,
    AV_CODEC_ID_VB,
    AV_CODEC_ID_PCX,
    AV_CODEC_ID_SUNRAST,
    AV_CODEC_ID_INDEO4,
    AV_CODEC_ID_INDEO5,
    AV_CODEC_ID_MIMIC,
    AV_CODEC_ID_RL2,
    AV_CODEC_ID_ESCAPE124,
    AV_CODEC_ID_DIRAC,
    AV_CODEC_ID_BFI,
    AV_CODEC_ID_CMV,
    AV_CODEC_ID_MOTIONPIXELS,
    AV_CODEC_ID_TGV,
    AV_CODEC_ID_TGQ,
    AV_CODEC_ID_TQI,
    AV_CODEC_ID_AURA,
    AV_CODEC_ID_AURA2,
    AV_CODEC_ID_V210X,
    AV_CODEC_ID_TMV,
    AV_CODEC_ID_V210,
    AV_CODEC_ID_DPX,
    AV_CODEC_ID_MAD,
    AV_CODEC_ID_FRWU,
    AV_CODEC_ID_FLASHSV2,
    AV_CODEC_ID_CDGRAPHICS,
    AV_CODEC_ID_R210,
    AV_CODEC_ID_ANM,
    AV_CODEC_ID_BINKVIDEO,
    AV_CODEC_ID_IFF_ILBM,
#define AV_CODEC_ID_IFF_BYTERUN1 AV_CODEC_ID_IFF_ILBM
    AV_CODEC_ID_KGV1,
    AV_CODEC_ID_YOP,
    AV_CODEC_ID_VP8,
    AV_CODEC_ID_PICTOR,
    AV_CODEC_ID_ANSI,
    AV_CODEC_ID_A64_MULTI,
    AV_CODEC_ID_A64_MULTI5,
    AV_CODEC_ID_R10K,
    AV_CODEC_ID_MXPEG,
    AV_CODEC_ID_LAGARITH,
    AV_CODEC_ID_PRORES,
    AV_CODEC_ID_JV,
    AV_CODEC_ID_DFA,
    AV_CODEC_ID_WMV3IMAGE,
    AV_CODEC_ID_VC1IMAGE,
    AV_CODEC_ID_UTVIDEO,
    AV_CODEC_ID_BMV_VIDEO,
    AV_CODEC_ID_VBLE,
    AV_CODEC_ID_DXTORY,
    AV_CODEC_ID_V410,
    AV_CODEC_ID_XWD,
    AV_CODEC_ID_CDXL,
    AV_CODEC_ID_XBM,
    AV_CODEC_ID_ZEROCODEC,
    AV_CODEC_ID_MSS1,
    AV_CODEC_ID_MSA1,
    AV_CODEC_ID_TSCC2,
    AV_CODEC_ID_MTS2,
    AV_CODEC_ID_CLLC,
    AV_CODEC_ID_MSS2,
    AV_CODEC_ID_VP9,
    AV_CODEC_ID_AIC,
    AV_CODEC_ID_ESCAPE130,
    AV_CODEC_ID_G2M,
    AV_CODEC_ID_WEBP,
    AV_CODEC_ID_HNM4_VIDEO,
    AV_CODEC_ID_HEVC,
#define AV_CODEC_ID_H265 AV_CODEC_ID_HEVC
    AV_CODEC_ID_FIC,
    AV_CODEC_ID_ALIAS_PIX,
    AV_CODEC_ID_BRENDER_PIX,
    AV_CODEC_ID_PAF_VIDEO,
    AV_CODEC_ID_EXR,
    AV_CODEC_ID_VP7,
    AV_CODEC_ID_SANM,
    AV_CODEC_ID_SGIRLE,
    AV_CODEC_ID_MVC1,
    AV_CODEC_ID_MVC2,
    AV_CODEC_ID_HQX,
    AV_CODEC_ID_TDSC,
    AV_CODEC_ID_HQ_HQA,
    AV_CODEC_ID_HAP,
    AV_CODEC_ID_DDS,
    AV_CODEC_ID_DXV,
    AV_CODEC_ID_SCREENPRESSO,
    AV_CODEC_ID_RSCC,
    AV_CODEC_ID_AVS2,
    AV_CODEC_ID_PGX,
    AV_CODEC_ID_AVS3,
    AV_CODEC_ID_MSP2,
    AV_CODEC_ID_VVC,
#define AV_CODEC_ID_H266 AV_CODEC_ID_VVC
    AV_CODEC_ID_Y41P,
    AV_CODEC_ID_AVRP,
    AV_CODEC_ID_012V,
    AV_CODEC_ID_AVUI,
    AV_CODEC_ID_AYUV,
    AV_CODEC_ID_TARGA_Y216,
    AV_CODEC_ID_V308,
    AV_CODEC_ID_V408,
    AV_CODEC_ID_YUV4,
    AV_CODEC_ID_AVRN,
    AV_CODEC_ID_CPIA,
    AV_CODEC_ID_XFACE,
    AV_CODEC_ID_SNOW,
    AV_CODEC_ID_SMVJPEG,
    AV_CODEC_ID_APNG,
    AV_CODEC_ID_DAALA,
    AV_CODEC_ID_CFHD,
    AV_CODEC_ID_TRUEMOTION2RT,
    AV_CODEC_ID_M101,
    AV_CODEC_ID_MAGICYUV,
    AV_CODEC_ID_SHEERVIDEO,
    AV_CODEC_ID_YLC,
    AV_CODEC_ID_PSD,
    AV_CODEC_ID_PIXLET,
    AV_CODEC_ID_SPEEDHQ,
    AV_CODEC_ID_FMVC,
    AV_CODEC_ID_SCPR,
    AV_CODEC_ID_CLEARVIDEO,
    AV_CODEC_ID_XPM,
    AV_CODEC_ID_AV1,
    AV_CODEC_ID_BITPACKED,
    AV_CODEC_ID_MSCC,
    AV_CODEC_ID_SRGC,
    AV_CODEC_ID_SVG,
    AV_CODEC_ID_GDV,
    AV_CODEC_ID_FITS,
    AV_CODEC_ID_IMM4,
    AV_CODEC_ID_PROSUMER,
    AV_CODEC_ID_MWSC,
    AV_CODEC_ID_WCMV,
    AV_CODEC_ID_RASC,
    AV_CODEC_ID_HYMT,
    AV_CODEC_ID_ARBC,
    AV_CODEC_ID_AGM,
    AV_CODEC_ID_LSCR,
    AV_CODEC_ID_VP4,
    AV_CODEC_ID_IMM5,
    AV_CODEC_ID_MVDV,
    AV_CODEC_ID_MVHA,
    AV_CODEC_ID_CDTOONS,
    AV_CODEC_ID_MV30,
    AV_CODEC_ID_NOTCHLC,
    AV_CODEC_ID_PFM,
    AV_CODEC_ID_MOBICLIP,
    AV_CODEC_ID_PHOTOCD,
    AV_CODEC_ID_IPU,
    AV_CODEC_ID_ARGO,
    AV_CODEC_ID_CRI,
    AV_CODEC_ID_SIMBIOSIS_IMX,
    AV_CODEC_ID_SGA_VIDEO,
    AV_CODEC_ID_GEM,
 
    AV_CODEC_ID_FIRST_AUDIO = 0x10000,
    AV_CODEC_ID_PCM_S16LE = 0x10000,
    AV_CODEC_ID_PCM_S16BE,
    AV_CODEC_ID_PCM_U16LE,
    AV_CODEC_ID_PCM_U16BE,
    AV_CODEC_ID_PCM_S8,
    AV_CODEC_ID_PCM_U8,
    AV_CODEC_ID_PCM_MULAW,
    AV_CODEC_ID_PCM_ALAW,
    AV_CODEC_ID_PCM_S32LE,
    AV_CODEC_ID_PCM_S32BE,
    AV_CODEC_ID_PCM_U32LE,
    AV_CODEC_ID_PCM_U32BE,
    AV_CODEC_ID_PCM_S24LE,
    AV_CODEC_ID_PCM_S24BE,
    AV_CODEC_ID_PCM_U24LE,
    AV_CODEC_ID_PCM_U24BE,
    AV_CODEC_ID_PCM_S24DAUD,
    AV_CODEC_ID_PCM_ZORK,
    AV_CODEC_ID_PCM_S16LE_PLANAR,
    AV_CODEC_ID_PCM_DVD,
    AV_CODEC_ID_PCM_F32BE,
    AV_CODEC_ID_PCM_F32LE,
    AV_CODEC_ID_PCM_F64BE,
    AV_CODEC_ID_PCM_F64LE,
    AV_CODEC_ID_PCM_BLURAY,
    AV_CODEC_ID_PCM_LXF,
    AV_CODEC_ID_S302M,
    AV_CODEC_ID_PCM_S8_PLANAR,
    AV_CODEC_ID_PCM_S24LE_PLANAR,
    AV_CODEC_ID_PCM_S32LE_PLANAR,
    AV_CODEC_ID_PCM_S16BE_PLANAR,
    AV_CODEC_ID_PCM_S64LE,
    AV_CODEC_ID_PCM_S64BE,
    AV_CODEC_ID_PCM_F16LE,
    AV_CODEC_ID_PCM_F24LE,
    AV_CODEC_ID_PCM_VIDC,
    AV_CODEC_ID_PCM_SGA,
 
    AV_CODEC_ID_ADPCM_IMA_QT = 0x11000,
    AV_CODEC_ID_ADPCM_IMA_WAV,
    AV_CODEC_ID_ADPCM_IMA_DK3,
    AV_CODEC_ID_ADPCM_IMA_DK4,
    AV_CODEC_ID_ADPCM_IMA_WS,
    AV_CODEC_ID_ADPCM_IMA_SMJPEG,
    AV_CODEC_ID_ADPCM_MS,
    AV_CODEC_ID_ADPCM_4XM,
    AV_CODEC_ID_ADPCM_XA,
    AV_CODEC_ID_ADPCM_ADX,
    AV_CODEC_ID_ADPCM_EA,
    AV_CODEC_ID_ADPCM_G726,
    AV_CODEC_ID_ADPCM_CT,
    AV_CODEC_ID_ADPCM_SWF,
    AV_CODEC_ID_ADPCM_YAMAHA,
    AV_CODEC_ID_ADPCM_SBPRO_4,
    AV_CODEC_ID_ADPCM_SBPRO_3,
    AV_CODEC_ID_ADPCM_SBPRO_2,
    AV_CODEC_ID_ADPCM_THP,
    AV_CODEC_ID_ADPCM_IMA_AMV,
    AV_CODEC_ID_ADPCM_EA_R1,
    AV_CODEC_ID_ADPCM_EA_R3,
    AV_CODEC_ID_ADPCM_EA_R2,
    AV_CODEC_ID_ADPCM_IMA_EA_SEAD,
    AV_CODEC_ID_ADPCM_IMA_EA_EACS,
    AV_CODEC_ID_ADPCM_EA_XAS,
    AV_CODEC_ID_ADPCM_EA_MAXIS_XA,
    AV_CODEC_ID_ADPCM_IMA_ISS,
    AV_CODEC_ID_ADPCM_G722,
    AV_CODEC_ID_ADPCM_IMA_APC,
    AV_CODEC_ID_ADPCM_VIMA,
    AV_CODEC_ID_ADPCM_AFC,
    AV_CODEC_ID_ADPCM_IMA_OKI,
    AV_CODEC_ID_ADPCM_DTK,
    AV_CODEC_ID_ADPCM_IMA_RAD,
    AV_CODEC_ID_ADPCM_G726LE,
    AV_CODEC_ID_ADPCM_THP_LE,
    AV_CODEC_ID_ADPCM_PSX,
    AV_CODEC_ID_ADPCM_AICA,
    AV_CODEC_ID_ADPCM_IMA_DAT4,
    AV_CODEC_ID_ADPCM_MTAF,
    AV_CODEC_ID_ADPCM_AGM,
    AV_CODEC_ID_ADPCM_ARGO,
    AV_CODEC_ID_ADPCM_IMA_SSI,
    AV_CODEC_ID_ADPCM_ZORK,
    AV_CODEC_ID_ADPCM_IMA_APM,
    AV_CODEC_ID_ADPCM_IMA_ALP,
    AV_CODEC_ID_ADPCM_IMA_MTF,
    AV_CODEC_ID_ADPCM_IMA_CUNNING,
    AV_CODEC_ID_ADPCM_IMA_MOFLEX,
    AV_CODEC_ID_ADPCM_IMA_ACORN,
 
    AV_CODEC_ID_AMR_NB = 0x12000,
    AV_CODEC_ID_AMR_WB,
 
    AV_CODEC_ID_RA_144 = 0x13000,
    AV_CODEC_ID_RA_288,
 
    AV_CODEC_ID_ROQ_DPCM = 0x14000,
    AV_CODEC_ID_INTERPLAY_DPCM,
    AV_CODEC_ID_XAN_DPCM,
    AV_CODEC_ID_SOL_DPCM,
    AV_CODEC_ID_SDX2_DPCM,
    AV_CODEC_ID_GREMLIN_DPCM,
    AV_CODEC_ID_DERF_DPCM,
 
    AV_CODEC_ID_MP2 = 0x15000,
    AV_CODEC_ID_MP3,
    AV_CODEC_ID_AAC,
    AV_CODEC_ID_AC3,
    AV_CODEC_ID_DTS,
    AV_CODEC_ID_VORBIS,
    AV_CODEC_ID_DVAUDIO,
    AV_CODEC_ID_WMAV1,
    AV_CODEC_ID_WMAV2,
    AV_CODEC_ID_MACE3,
    AV_CODEC_ID_MACE6,
    AV_CODEC_ID_VMDAUDIO,
    AV_CODEC_ID_FLAC,
    AV_CODEC_ID_MP3ADU,
    AV_CODEC_ID_MP3ON4,
    AV_CODEC_ID_SHORTEN,
    AV_CODEC_ID_ALAC,
    AV_CODEC_ID_WESTWOOD_SND1,
    AV_CODEC_ID_GSM,
    AV_CODEC_ID_QDM2,
    AV_CODEC_ID_COOK,
    AV_CODEC_ID_TRUESPEECH,
    AV_CODEC_ID_TTA,
    AV_CODEC_ID_SMACKAUDIO,
    AV_CODEC_ID_QCELP,
    AV_CODEC_ID_WAVPACK,
    AV_CODEC_ID_DSICINAUDIO,
    AV_CODEC_ID_IMC,
    AV_CODEC_ID_MUSEPACK7,
    AV_CODEC_ID_MLP,
    AV_CODEC_ID_GSM_MS,
    AV_CODEC_ID_ATRAC3,
    AV_CODEC_ID_APE,
    AV_CODEC_ID_NELLYMOSER,
    AV_CODEC_ID_MUSEPACK8,
    AV_CODEC_ID_SPEEX,
    AV_CODEC_ID_WMAVOICE,
    AV_CODEC_ID_WMAPRO,
    AV_CODEC_ID_WMALOSSLESS,
    AV_CODEC_ID_ATRAC3P,
    AV_CODEC_ID_EAC3,
    AV_CODEC_ID_SIPR,
    AV_CODEC_ID_MP1,
    AV_CODEC_ID_TWINVQ,
    AV_CODEC_ID_TRUEHD,
    AV_CODEC_ID_MP4ALS,
    AV_CODEC_ID_ATRAC1,
    AV_CODEC_ID_BINKAUDIO_RDFT,
    AV_CODEC_ID_BINKAUDIO_DCT,
    AV_CODEC_ID_AAC_LATM,
    AV_CODEC_ID_QDMC,
    AV_CODEC_ID_CELT,
    AV_CODEC_ID_G723_1,
    AV_CODEC_ID_G729,
    AV_CODEC_ID_8SVX_EXP,
    AV_CODEC_ID_8SVX_FIB,
    AV_CODEC_ID_BMV_AUDIO,
    AV_CODEC_ID_RALF,
    AV_CODEC_ID_IAC,
    AV_CODEC_ID_ILBC,
    AV_CODEC_ID_OPUS,
    AV_CODEC_ID_COMFORT_NOISE,
    AV_CODEC_ID_TAK,
    AV_CODEC_ID_METASOUND,
    AV_CODEC_ID_PAF_AUDIO,
    AV_CODEC_ID_ON2AVC,
    AV_CODEC_ID_DSS_SP,
    AV_CODEC_ID_CODEC2,
    AV_CODEC_ID_FFWAVESYNTH,
    AV_CODEC_ID_SONIC,
    AV_CODEC_ID_SONIC_LS,
    AV_CODEC_ID_EVRC,
    AV_CODEC_ID_SMV,
    AV_CODEC_ID_DSD_LSBF,
    AV_CODEC_ID_DSD_MSBF,
    AV_CODEC_ID_DSD_LSBF_PLANAR,
    AV_CODEC_ID_DSD_MSBF_PLANAR,
    AV_CODEC_ID_4GV,
    AV_CODEC_ID_INTERPLAY_ACM,
    AV_CODEC_ID_XMA1,
    AV_CODEC_ID_XMA2,
    AV_CODEC_ID_DST,
    AV_CODEC_ID_ATRAC3AL,
    AV_CODEC_ID_ATRAC3PAL,
    AV_CODEC_ID_DOLBY_E,
    AV_CODEC_ID_APTX,
    AV_CODEC_ID_APTX_HD,
    AV_CODEC_ID_SBC,
    AV_CODEC_ID_ATRAC9,
    AV_CODEC_ID_HCOM,
    AV_CODEC_ID_ACELP_KELVIN,
    AV_CODEC_ID_MPEGH_3D_AUDIO,
    AV_CODEC_ID_SIREN,
    AV_CODEC_ID_HCA,
    AV_CODEC_ID_FASTAUDIO,
    AV_CODEC_ID_MSNSIREN,
 
    AV_CODEC_ID_FIRST_SUBTITLE = 0x17000,
    AV_CODEC_ID_DVD_SUBTITLE = 0x17000,
    AV_CODEC_ID_DVB_SUBTITLE,
    AV_CODEC_ID_TEXT,
    AV_CODEC_ID_XSUB,
    AV_CODEC_ID_SSA,
    AV_CODEC_ID_MOV_TEXT,
    AV_CODEC_ID_HDMV_PGS_SUBTITLE,
    AV_CODEC_ID_DVB_TELETEXT,
    AV_CODEC_ID_SRT,
    AV_CODEC_ID_MICRODVD,
    AV_CODEC_ID_EIA_608,
    AV_CODEC_ID_JACOSUB,
    AV_CODEC_ID_SAMI,
    AV_CODEC_ID_REALTEXT,
    AV_CODEC_ID_STL,
    AV_CODEC_ID_SUBVIEWER1,
    AV_CODEC_ID_SUBVIEWER,
    AV_CODEC_ID_SUBRIP,
    AV_CODEC_ID_WEBVTT,
    AV_CODEC_ID_MPL2,
    AV_CODEC_ID_VPLAYER,
    AV_CODEC_ID_PJS,
    AV_CODEC_ID_ASS,
    AV_CODEC_ID_HDMV_TEXT_SUBTITLE,
    AV_CODEC_ID_TTML,
    AV_CODEC_ID_ARIB_CAPTION,
 
    AV_CODEC_ID_FIRST_UNKNOWN = 0x18000,
    AV_CODEC_ID_TTF = 0x18000,
 
    AV_CODEC_ID_SCTE_35,
    AV_CODEC_ID_EPG,
    AV_CODEC_ID_BINTEXT,
    AV_CODEC_ID_XBIN,
    AV_CODEC_ID_IDF,
    AV_CODEC_ID_OTF,
    AV_CODEC_ID_SMPTE_KLV,
    AV_CODEC_ID_DVD_NAV,
    AV_CODEC_ID_TIMED_ID3,
    AV_CODEC_ID_BIN_DATA,
 
    AV_CODEC_ID_PROBE = 0x19000,
 
    AV_CODEC_ID_MPEG2TS = 0x20000,
 
    AV_CODEC_ID_MPEG4SYSTEMS = 0x20001,
 
    AV_CODEC_ID_FFMETADATA = 0x21000,
    AV_CODEC_ID_WRAPPED_AVFRAME = 0x21001,
};
 
enum AVMediaType avcodec_get_type(enum AVCodecID codec_id);
 
const char *avcodec_get_name(enum AVCodecID id);
 
int av_get_bits_per_sample(enum AVCodecID codec_id);
 
int av_get_exact_bits_per_sample(enum AVCodecID codec_id);
 
const char *avcodec_profile_name(enum AVCodecID codec_id, int profile);
 
enum AVCodecID av_get_pcm_codec(enum AVSampleFormat fmt, int be);
 
#define AVCODEC_VERSION_H
 
#define LIBAVCODEC_VERSION_MAJOR  59
#define LIBAVCODEC_VERSION_MINOR  18
#define LIBAVCODEC_VERSION_MICRO 100
 
#define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                               LIBAVCODEC_VERSION_MINOR, \
                                               LIBAVCODEC_VERSION_MICRO)
#define LIBAVCODEC_VERSION      AV_VERSION(LIBAVCODEC_VERSION_MAJOR,    \
                                           LIBAVCODEC_VERSION_MINOR,    \
                                           LIBAVCODEC_VERSION_MICRO)
#define LIBAVCODEC_BUILD        LIBAVCODEC_VERSION_INT
 
#define LIBAVCODEC_IDENT        "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
 
#define FF_API_OPENH264_SLICE_MODE (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_OPENH264_CABAC      (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_UNUSED_CODEC_CAPS   (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_THREAD_SAFE_CALLBACKS (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_DEBUG_MV          (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_GET_FRAME_CLASS     (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_AUTO_THREADS        (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_INIT_PACKET         (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_AVCTX_TIMEBASE    (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_MPEGVIDEO_OPTS      (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_FLAG_TRUNCATED      (LIBAVCODEC_VERSION_MAJOR < 60)
#define FF_API_SUB_TEXT_FORMAT     (LIBAVCODEC_VERSION_MAJOR < 60)
 
#define AV_CODEC_CAP_DRAW_HORIZ_BAND     (1 <<  0)
 
#define AV_CODEC_CAP_DR1                 (1 <<  1)
 
#define AV_CODEC_CAP_TRUNCATED           (1 <<  3)
 
#define AV_CODEC_CAP_DELAY               (1 <<  5)
 
#define AV_CODEC_CAP_SMALL_LAST_FRAME    (1 <<  6)
 
#define AV_CODEC_CAP_SUBFRAMES           (1 <<  8)
 
#define AV_CODEC_CAP_EXPERIMENTAL        (1 <<  9)
 
#define AV_CODEC_CAP_CHANNEL_CONF        (1 << 10)
 
#define AV_CODEC_CAP_FRAME_THREADS       (1 << 12)
 
#define AV_CODEC_CAP_SLICE_THREADS       (1 << 13)
 
#define AV_CODEC_CAP_PARAM_CHANGE        (1 << 14)
 
#define AV_CODEC_CAP_OTHER_THREADS       (1 << 15)
#define AV_CODEC_CAP_AUTO_THREADS        AV_CODEC_CAP_OTHER_THREADS
 
#define AV_CODEC_CAP_VARIABLE_FRAME_SIZE (1 << 16)
 
#define AV_CODEC_CAP_AVOID_PROBING       (1 << 17)
 
#define AV_CODEC_CAP_INTRA_ONLY       0x40000000
 
#define AV_CODEC_CAP_LOSSLESS         0x80000000
 
#define AV_CODEC_CAP_HARDWARE            (1 << 18)
 
#define AV_CODEC_CAP_HYBRID              (1 << 19)
 
#define AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE (1 << 20)
 
#define AV_CODEC_CAP_ENCODER_FLUSH   (1 << 21)
 
typedef struct AVProfile {
    int profile;
    const char *name;
} AVProfile;
 
typedef struct AVCodecDefault AVCodecDefault;
 
struct AVCodecContext;
struct AVSubtitle;
struct AVPacket;
 
typedef struct AVCodec {
 
    const char *name;
 
    const char *long_name;
    enum AVMediaType type;
    enum AVCodecID id;
 
    int capabilities;
    uint8_t max_lowres;
    const AVRational *supported_framerates;
    const enum AVPixelFormat *pix_fmts;
    const int *supported_samplerates;
    const enum AVSampleFormat *sample_fmts;
    const uint64_t *channel_layouts;
    const AVClass *priv_class;
    const AVProfile *profiles;
 
    const char *wrapper_name;
 
    int caps_internal;
 
    int priv_data_size;
 
    int (*update_thread_context)(struct AVCodecContext *dst, const struct AVCodecContext *src);
 
    int (*update_thread_context_for_user)(struct AVCodecContext *dst, const struct AVCodecContext *src);
 
    const AVCodecDefault *defaults;
 
    void (*init_static_data)(struct AVCodec *codec);
 
    int (*init)(struct AVCodecContext *);
    int (*encode_sub)(struct AVCodecContext *, uint8_t *buf, int buf_size,
                      const struct AVSubtitle *sub);
 
    int (*encode2)(struct AVCodecContext *avctx, struct AVPacket *avpkt,
                   const struct AVFrame *frame, int *got_packet_ptr);
 
    int (*decode)(struct AVCodecContext *avctx, void *outdata,
                  int *got_frame_ptr, struct AVPacket *avpkt);
    int (*close)(struct AVCodecContext *);
 
    int (*receive_packet)(struct AVCodecContext *avctx, struct AVPacket *avpkt);
 
    int (*receive_frame)(struct AVCodecContext *avctx, struct AVFrame *frame);
 
    void (*flush)(struct AVCodecContext *);
 
    const char *bsfs;
 
    const struct AVCodecHWConfigInternal *const *hw_configs;
 
    const uint32_t *codec_tags;
} AVCodec;
 
const AVCodec *av_codec_iterate(void **opaque);
 
const AVCodec *avcodec_find_decoder(enum AVCodecID id);
 
const AVCodec *avcodec_find_decoder_by_name(const char *name);
 
const AVCodec *avcodec_find_encoder(enum AVCodecID id);
 
const AVCodec *avcodec_find_encoder_by_name(const char *name);
 
int av_codec_is_encoder(const AVCodec *codec);
 
int av_codec_is_decoder(const AVCodec *codec);
 
const char *av_get_profile_name(const AVCodec *codec, int profile);
 
enum {
 
    AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX = 0x01,
 
    AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX = 0x02,
 
    AV_CODEC_HW_CONFIG_METHOD_INTERNAL      = 0x04,
 
    AV_CODEC_HW_CONFIG_METHOD_AD_HOC        = 0x08,
};
 
typedef struct AVCodecHWConfig {
 
    enum AVPixelFormat pix_fmt;
 
    int methods;
 
    enum AVHWDeviceType device_type;
} AVCodecHWConfig;
 
const AVCodecHWConfig *avcodec_get_hw_config(const AVCodec *codec, int index);
 
#define AVCODEC_CODEC_DESC_H
 
typedef struct AVCodecDescriptor {
    enum AVCodecID     id;
    enum AVMediaType type;
 
    const char      *name;
 
    const char *long_name;
 
    int             props;
 
    const char *const *mime_types;
 
    const struct AVProfile *profiles;
} AVCodecDescriptor;
 
#define AV_CODEC_PROP_INTRA_ONLY    (1 << 0)
 
#define AV_CODEC_PROP_LOSSY         (1 << 1)
 
#define AV_CODEC_PROP_LOSSLESS      (1 << 2)
 
#define AV_CODEC_PROP_REORDER       (1 << 3)
 
#define AV_CODEC_PROP_BITMAP_SUB    (1 << 16)
 
#define AV_CODEC_PROP_TEXT_SUB      (1 << 17)
 
const AVCodecDescriptor *avcodec_descriptor_get(enum AVCodecID id);
 
const AVCodecDescriptor *avcodec_descriptor_next(const AVCodecDescriptor *prev);
 
const AVCodecDescriptor *avcodec_descriptor_get_by_name(const char *name);
 
#define AVCODEC_CODEC_PAR_H
 
enum AVFieldOrder {
    AV_FIELD_UNKNOWN,
    AV_FIELD_PROGRESSIVE,
    AV_FIELD_TT,
    AV_FIELD_BB,
    AV_FIELD_TB,
    AV_FIELD_BT,
};
 
typedef struct AVCodecParameters {
 
    enum AVMediaType codec_type;
 
    enum AVCodecID   codec_id;
 
    uint32_t         codec_tag;
 
    uint8_t *extradata;
 
    int      extradata_size;
 
    int format;
 
    int64_t bit_rate;
 
    int bits_per_coded_sample;
 
    int bits_per_raw_sample;
 
    int profile;
    int level;
 
    int width;
    int height;
 
    AVRational sample_aspect_ratio;
 
    enum AVFieldOrder                  field_order;
 
    enum AVColorRange                  color_range;
    enum AVColorPrimaries              color_primaries;
    enum AVColorTransferCharacteristic color_trc;
    enum AVColorSpace                  color_space;
    enum AVChromaLocation              chroma_location;
 
    int video_delay;
 
    uint64_t channel_layout;
 
    int      channels;
 
    int      sample_rate;
 
    int      block_align;
 
    int      frame_size;
 
    int initial_padding;
 
    int trailing_padding;
 
    int seek_preroll;
} AVCodecParameters;
 
AVCodecParameters *avcodec_parameters_alloc(void);
 
void avcodec_parameters_free(AVCodecParameters **par);
 
int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src);
 
int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes);
 
#define AVCODEC_DEFS_H
 
#define AV_INPUT_BUFFER_PADDING_SIZE 64
 
enum AVDiscard{
 
    AVDISCARD_NONE    =-16,
    AVDISCARD_DEFAULT =  0,
    AVDISCARD_NONREF  =  8,
    AVDISCARD_BIDIR   = 16,
    AVDISCARD_NONINTRA= 24,
    AVDISCARD_NONKEY  = 32,
    AVDISCARD_ALL     = 48,
};
 
enum AVAudioServiceType {
    AV_AUDIO_SERVICE_TYPE_MAIN              = 0,
    AV_AUDIO_SERVICE_TYPE_EFFECTS           = 1,
    AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED = 2,
    AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED  = 3,
    AV_AUDIO_SERVICE_TYPE_DIALOGUE          = 4,
    AV_AUDIO_SERVICE_TYPE_COMMENTARY        = 5,
    AV_AUDIO_SERVICE_TYPE_EMERGENCY         = 6,
    AV_AUDIO_SERVICE_TYPE_VOICE_OVER        = 7,
    AV_AUDIO_SERVICE_TYPE_KARAOKE           = 8,
    AV_AUDIO_SERVICE_TYPE_NB                   ,
};
 
typedef struct AVPanScan {
 
    int id;
 
    int width;
    int height;
 
    int16_t position[3][2];
} AVPanScan;
 
typedef struct AVCPBProperties {
 
    int64_t max_bitrate;
 
    int64_t min_bitrate;
 
    int64_t avg_bitrate;
 
    int64_t buffer_size;
 
    uint64_t vbv_delay;
} AVCPBProperties;
 
AVCPBProperties *av_cpb_properties_alloc(size_t *size);
 
typedef struct AVProducerReferenceTime {
 
    int64_t wallclock;
    int flags;
} AVProducerReferenceTime;
 
unsigned int av_xiphlacing(unsigned char *s, unsigned int v);
 
#define AVCODEC_PACKET_H
 
enum AVPacketSideDataType {
 
    AV_PKT_DATA_PALETTE,
 
    AV_PKT_DATA_NEW_EXTRADATA,
 
    AV_PKT_DATA_PARAM_CHANGE,
 
    AV_PKT_DATA_H263_MB_INFO,
 
    AV_PKT_DATA_REPLAYGAIN,
 
    AV_PKT_DATA_DISPLAYMATRIX,
 
    AV_PKT_DATA_STEREO3D,
 
    AV_PKT_DATA_AUDIO_SERVICE_TYPE,
 
    AV_PKT_DATA_QUALITY_STATS,
 
    AV_PKT_DATA_FALLBACK_TRACK,
 
    AV_PKT_DATA_CPB_PROPERTIES,
 
    AV_PKT_DATA_SKIP_SAMPLES,
 
    AV_PKT_DATA_JP_DUALMONO,
 
    AV_PKT_DATA_STRINGS_METADATA,
 
    AV_PKT_DATA_SUBTITLE_POSITION,
 
    AV_PKT_DATA_MATROSKA_BLOCKADDITIONAL,
 
    AV_PKT_DATA_WEBVTT_IDENTIFIER,
 
    AV_PKT_DATA_WEBVTT_SETTINGS,
 
    AV_PKT_DATA_METADATA_UPDATE,
 
    AV_PKT_DATA_MPEGTS_STREAM_ID,
 
    AV_PKT_DATA_MASTERING_DISPLAY_METADATA,
 
    AV_PKT_DATA_SPHERICAL,
 
    AV_PKT_DATA_CONTENT_LIGHT_LEVEL,
 
    AV_PKT_DATA_A53_CC,
 
    AV_PKT_DATA_ENCRYPTION_INIT_INFO,
 
    AV_PKT_DATA_ENCRYPTION_INFO,
 
    AV_PKT_DATA_AFD,
 
    AV_PKT_DATA_PRFT,
 
    AV_PKT_DATA_ICC_PROFILE,
 
    AV_PKT_DATA_DOVI_CONF,
 
    AV_PKT_DATA_S12M_TIMECODE,
 
    AV_PKT_DATA_DYNAMIC_HDR10_PLUS,
 
    AV_PKT_DATA_NB
};
 
#define AV_PKT_DATA_QUALITY_FACTOR AV_PKT_DATA_QUALITY_STATS
 
typedef struct AVPacketSideData {
    uint8_t *data;
    size_t   size;
    enum AVPacketSideDataType type;
} AVPacketSideData;
 
typedef struct AVPacket {
 
    AVBufferRef *buf;
 
    int64_t pts;
 
    int64_t dts;
    uint8_t *data;
    int   size;
    int   stream_index;
 
    int   flags;
 
    AVPacketSideData *side_data;
    int side_data_elems;
 
    int64_t duration;
 
    int64_t pos;
 
    void *opaque;
 
    AVBufferRef *opaque_ref;
 
    AVRational time_base;
} AVPacket;
 
attribute_deprecated
typedef struct AVPacketList {
    AVPacket pkt;
    struct AVPacketList *next;
} AVPacketList;
 
#define AV_PKT_FLAG_KEY     0x0001
#define AV_PKT_FLAG_CORRUPT 0x0002
 
#define AV_PKT_FLAG_DISCARD   0x0004
 
#define AV_PKT_FLAG_TRUSTED   0x0008
 
#define AV_PKT_FLAG_DISPOSABLE 0x0010
 
enum AVSideDataParamChangeFlags {
    AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT  = 0x0001,
    AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT = 0x0002,
    AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE    = 0x0004,
    AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS     = 0x0008,
};
 
AVPacket *av_packet_alloc(void);
 
AVPacket *av_packet_clone(const AVPacket *src);
 
void av_packet_free(AVPacket **pkt);
 
attribute_deprecated
void av_init_packet(AVPacket *pkt);
 
int av_new_packet(AVPacket *pkt, int size);
 
void av_shrink_packet(AVPacket *pkt, int size);
 
int av_grow_packet(AVPacket *pkt, int grow_by);
 
int av_packet_from_data(AVPacket *pkt, uint8_t *data, int size);
 
uint8_t* av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
                                 size_t size);
 
int av_packet_add_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
                            uint8_t *data, size_t size);
 
int av_packet_shrink_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
                               size_t size);
 
uint8_t* av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type,
                                 size_t *size);
 
const char *av_packet_side_data_name(enum AVPacketSideDataType type);
 
uint8_t *av_packet_pack_dictionary(AVDictionary *dict, size_t *size);
 
int av_packet_unpack_dictionary(const uint8_t *data, size_t size,
                                AVDictionary **dict);
 
void av_packet_free_side_data(AVPacket *pkt);
 
int av_packet_ref(AVPacket *dst, const AVPacket *src);
 
void av_packet_unref(AVPacket *pkt);
 
void av_packet_move_ref(AVPacket *dst, AVPacket *src);
 
int av_packet_copy_props(AVPacket *dst, const AVPacket *src);
 
int av_packet_make_refcounted(AVPacket *pkt);
 
int av_packet_make_writable(AVPacket *pkt);
 
void av_packet_rescale_ts(AVPacket *pkt, AVRational tb_src, AVRational tb_dst);
 
#define AV_INPUT_BUFFER_MIN_SIZE 16384
 
typedef struct RcOverride{
    int start_frame;
    int end_frame;
    int qscale;
    float quality_factor;
} RcOverride;
 
#define AV_CODEC_FLAG_UNALIGNED       (1 <<  0)
 
#define AV_CODEC_FLAG_QSCALE          (1 <<  1)
 
#define AV_CODEC_FLAG_4MV             (1 <<  2)
 
#define AV_CODEC_FLAG_OUTPUT_CORRUPT  (1 <<  3)
 
#define AV_CODEC_FLAG_QPEL            (1 <<  4)
 
#define AV_CODEC_FLAG_DROPCHANGED     (1 <<  5)
 
#define AV_CODEC_FLAG_PASS1           (1 <<  9)
 
#define AV_CODEC_FLAG_PASS2           (1 << 10)
 
#define AV_CODEC_FLAG_LOOP_FILTER     (1 << 11)
 
#define AV_CODEC_FLAG_GRAY            (1 << 13)
 
#define AV_CODEC_FLAG_PSNR            (1 << 15)
 
#define AV_CODEC_FLAG_TRUNCATED       (1 << 16)
 
#define AV_CODEC_FLAG_INTERLACED_DCT  (1 << 18)
 
#define AV_CODEC_FLAG_LOW_DELAY       (1 << 19)
 
#define AV_CODEC_FLAG_GLOBAL_HEADER   (1 << 22)
 
#define AV_CODEC_FLAG_BITEXACT        (1 << 23)
 
#define AV_CODEC_FLAG_AC_PRED         (1 << 24)
 
#define AV_CODEC_FLAG_INTERLACED_ME   (1 << 29)
#define AV_CODEC_FLAG_CLOSED_GOP      (1U << 31)
 
#define AV_CODEC_FLAG2_FAST           (1 <<  0)
 
#define AV_CODEC_FLAG2_NO_OUTPUT      (1 <<  2)
 
#define AV_CODEC_FLAG2_LOCAL_HEADER   (1 <<  3)
 
#define AV_CODEC_FLAG2_DROP_FRAME_TIMECODE (1 << 13)
 
#define AV_CODEC_FLAG2_CHUNKS         (1 << 15)
 
#define AV_CODEC_FLAG2_IGNORE_CROP    (1 << 16)
 
#define AV_CODEC_FLAG2_SHOW_ALL       (1 << 22)
 
#define AV_CODEC_FLAG2_EXPORT_MVS     (1 << 28)
 
#define AV_CODEC_FLAG2_SKIP_MANUAL    (1 << 29)
 
#define AV_CODEC_FLAG2_RO_FLUSH_NOOP  (1 << 30)
 
#define AV_CODEC_EXPORT_DATA_MVS         (1 << 0)
 
#define AV_CODEC_EXPORT_DATA_PRFT        (1 << 1)
 
#define AV_CODEC_EXPORT_DATA_VIDEO_ENC_PARAMS (1 << 2)
 
#define AV_CODEC_EXPORT_DATA_FILM_GRAIN (1 << 3)
 
#define AV_GET_BUFFER_FLAG_REF (1 << 0)
 
#define AV_GET_ENCODE_BUFFER_FLAG_REF (1 << 0)
 
struct AVCodecInternal;
 
typedef struct AVCodecContext {
 
    const AVClass *av_class;
    int log_level_offset;
 
    enum AVMediaType codec_type;
    const struct AVCodec  *codec;
    enum AVCodecID     codec_id;
 
    unsigned int codec_tag;
 
    void *priv_data;
 
    struct AVCodecInternal *internal;
 
    void *opaque;
 
    int64_t bit_rate;
 
    int bit_rate_tolerance;
 
    int global_quality;
 
    int compression_level;
#define FF_COMPRESSION_DEFAULT -1
 
    int flags;
 
    int flags2;
 
    uint8_t *extradata;
    int extradata_size;
 
    AVRational time_base;
 
    int ticks_per_frame;
 
    int delay;
 
    int width, height;
 
    int coded_width, coded_height;
 
    int gop_size;
 
    enum AVPixelFormat pix_fmt;
 
    void (*draw_horiz_band)(struct AVCodecContext *s,
                            const AVFrame *src, int offset[AV_NUM_DATA_POINTERS],
                            int y, int type, int height);
 
    enum AVPixelFormat (*get_format)(struct AVCodecContext *s, const enum AVPixelFormat * fmt);
 
    int max_b_frames;
 
    float b_quant_factor;
 
    float b_quant_offset;
 
    int has_b_frames;
 
    float i_quant_factor;
 
    float i_quant_offset;
 
    float lumi_masking;
 
    float temporal_cplx_masking;
 
    float spatial_cplx_masking;
 
    float p_masking;
 
    float dark_masking;
 
    int slice_count;
 
    int *slice_offset;
 
    AVRational sample_aspect_ratio;
 
    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_DCT264       14
#define FF_CMP_MEDIAN_SAD   15
#define FF_CMP_CHROMA       256
 
    int dia_size;
 
    int last_predictor_count;
 
    int me_pre_cmp;
 
    int pre_dia_size;
 
    int me_subpel_quality;
 
    int me_range;
 
    int slice_flags;
#define SLICE_FLAG_CODED_ORDER    0x0001
#define SLICE_FLAG_ALLOW_FIELD    0x0002
#define SLICE_FLAG_ALLOW_PLANE    0x0004
 
    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;
 
    int intra_dc_precision;
 
    int skip_top;
 
    int skip_bottom;
 
    int mb_lmin;
 
    int mb_lmax;
 
    int bidir_refine;
 
    int keyint_min;
 
    int refs;
 
    int mv0_threshold;
 
    enum AVColorPrimaries color_primaries;
 
    enum AVColorTransferCharacteristic color_trc;
 
    enum AVColorSpace colorspace;
 
    enum AVColorRange color_range;
 
    enum AVChromaLocation chroma_sample_location;
 
    int slices;
 
    enum AVFieldOrder field_order;
 
    int sample_rate;
    int channels;
 
    enum AVSampleFormat sample_fmt;
 
    int frame_size;
 
    int frame_number;
 
    int block_align;
 
    int cutoff;
 
    uint64_t channel_layout;
 
    uint64_t request_channel_layout;
 
    enum AVAudioServiceType audio_service_type;
 
    enum AVSampleFormat request_sample_fmt;
 
    int (*get_buffer2)(struct AVCodecContext *s, AVFrame *frame, int flags);
 
    float qcompress;
    float qblur;
 
    int qmin;
 
    int qmax;
 
    int max_qdiff;
 
    int rc_buffer_size;
 
    int rc_override_count;
    RcOverride *rc_override;
 
    int64_t rc_max_rate;
 
    int64_t rc_min_rate;
 
    float rc_max_available_vbv_use;
 
    float rc_min_vbv_overflow_use;
 
    int rc_initial_buffer_occupancy;
 
    int trellis;
 
    char *stats_out;
 
    char *stats_in;
 
    int workaround_bugs;
#define FF_BUG_AUTODETECT       1
#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_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_TRUNCATED       16384
#define FF_BUG_IEDGE           32768
 
    int strict_std_compliance;
#define FF_COMPLIANCE_VERY_STRICT   2
#define FF_COMPLIANCE_STRICT        1
#define FF_COMPLIANCE_NORMAL        0
#define FF_COMPLIANCE_UNOFFICIAL   -1
#define FF_COMPLIANCE_EXPERIMENTAL -2
 
    int error_concealment;
#define FF_EC_GUESS_MVS   1
#define FF_EC_DEBLOCK     2
#define FF_EC_FAVOR_INTER 256
 
    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_DCT_COEFF   0x00000040
#define FF_DEBUG_SKIP        0x00000080
#define FF_DEBUG_STARTCODE   0x00000100
#define FF_DEBUG_ER          0x00000400
#define FF_DEBUG_MMCO        0x00000800
#define FF_DEBUG_BUGS        0x00001000
#define FF_DEBUG_BUFFERS     0x00008000
#define FF_DEBUG_THREADS     0x00010000
#define FF_DEBUG_GREEN_MD    0x00800000
#define FF_DEBUG_NOMC        0x01000000
 
    int err_recognition;
 
#define AV_EF_CRCCHECK  (1<<0)
#define AV_EF_BITSTREAM (1<<1)
#define AV_EF_BUFFER    (1<<2)
#define AV_EF_EXPLODE   (1<<3)
 
#define AV_EF_IGNORE_ERR (1<<15)
#define AV_EF_CAREFUL    (1<<16)
#define AV_EF_COMPLIANT  (1<<17)
#define AV_EF_AGGRESSIVE (1<<18)
 
    int64_t reordered_opaque;
 
    const struct AVHWAccel *hwaccel;
 
    void *hwaccel_context;
 
    uint64_t error[AV_NUM_DATA_POINTERS];
 
    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_ALTIVEC 5
#define FF_DCT_FAAN    6
 
    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_ARM           7
#define FF_IDCT_ALTIVEC       8
#define FF_IDCT_SIMPLEARM     10
#define FF_IDCT_XVID          14
#define FF_IDCT_SIMPLEARMV5TE 16
#define FF_IDCT_SIMPLEARMV6   17
#define FF_IDCT_FAAN          20
#define FF_IDCT_SIMPLENEON    22
#define FF_IDCT_NONE          24
#define FF_IDCT_SIMPLEAUTO    128
 
     int bits_per_coded_sample;
 
    int bits_per_raw_sample;
 
     int lowres;
 
    int thread_count;
 
    int thread_type;
#define FF_THREAD_FRAME   1
#define FF_THREAD_SLICE   2
 
    int active_thread_type;
 
    attribute_deprecated
    int thread_safe_callbacks;
 
    int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size);
 
    int (*execute2)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count);
 
     int nsse_weight;
 
     int profile;
#define FF_PROFILE_UNKNOWN -99
#define FF_PROFILE_RESERVED -100
 
#define FF_PROFILE_AAC_MAIN 0
#define FF_PROFILE_AAC_LOW  1
#define FF_PROFILE_AAC_SSR  2
#define FF_PROFILE_AAC_LTP  3
#define FF_PROFILE_AAC_HE   4
#define FF_PROFILE_AAC_HE_V2 28
#define FF_PROFILE_AAC_LD   22
#define FF_PROFILE_AAC_ELD  38
#define FF_PROFILE_MPEG2_AAC_LOW 128
#define FF_PROFILE_MPEG2_AAC_HE  131
 
#define FF_PROFILE_DNXHD         0
#define FF_PROFILE_DNXHR_LB      1
#define FF_PROFILE_DNXHR_SQ      2
#define FF_PROFILE_DNXHR_HQ      3
#define FF_PROFILE_DNXHR_HQX     4
#define FF_PROFILE_DNXHR_444     5
 
#define FF_PROFILE_DTS         20
#define FF_PROFILE_DTS_ES      30
#define FF_PROFILE_DTS_96_24   40
#define FF_PROFILE_DTS_HD_HRA  50
#define FF_PROFILE_DTS_HD_MA   60
#define FF_PROFILE_DTS_EXPRESS 70
 
#define FF_PROFILE_MPEG2_422    0
#define FF_PROFILE_MPEG2_HIGH   1
#define FF_PROFILE_MPEG2_SS     2
#define FF_PROFILE_MPEG2_SNR_SCALABLE  3
#define FF_PROFILE_MPEG2_MAIN   4
#define FF_PROFILE_MPEG2_SIMPLE 5
 
#define FF_PROFILE_H264_CONSTRAINED  (1<<9)
#define FF_PROFILE_H264_INTRA        (1<<11)
 
#define FF_PROFILE_H264_BASELINE             66
#define FF_PROFILE_H264_CONSTRAINED_BASELINE (66|FF_PROFILE_H264_CONSTRAINED)
#define FF_PROFILE_H264_MAIN                 77
#define FF_PROFILE_H264_EXTENDED             88
#define FF_PROFILE_H264_HIGH                 100
#define FF_PROFILE_H264_HIGH_10              110
#define FF_PROFILE_H264_HIGH_10_INTRA        (110|FF_PROFILE_H264_INTRA)
#define FF_PROFILE_H264_MULTIVIEW_HIGH       118
#define FF_PROFILE_H264_HIGH_422             122
#define FF_PROFILE_H264_HIGH_422_INTRA       (122|FF_PROFILE_H264_INTRA)
#define FF_PROFILE_H264_STEREO_HIGH          128
#define FF_PROFILE_H264_HIGH_444             144
#define FF_PROFILE_H264_HIGH_444_PREDICTIVE  244
#define FF_PROFILE_H264_HIGH_444_INTRA       (244|FF_PROFILE_H264_INTRA)
#define FF_PROFILE_H264_CAVLC_444            44
 
#define FF_PROFILE_VC1_SIMPLE   0
#define FF_PROFILE_VC1_MAIN     1
#define FF_PROFILE_VC1_COMPLEX  2
#define FF_PROFILE_VC1_ADVANCED 3
 
#define FF_PROFILE_MPEG4_SIMPLE                     0
#define FF_PROFILE_MPEG4_SIMPLE_SCALABLE            1
#define FF_PROFILE_MPEG4_CORE                       2
#define FF_PROFILE_MPEG4_MAIN                       3
#define FF_PROFILE_MPEG4_N_BIT                      4
#define FF_PROFILE_MPEG4_SCALABLE_TEXTURE           5
#define FF_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION      6
#define FF_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE     7
#define FF_PROFILE_MPEG4_HYBRID                     8
#define FF_PROFILE_MPEG4_ADVANCED_REAL_TIME         9
#define FF_PROFILE_MPEG4_CORE_SCALABLE             10
#define FF_PROFILE_MPEG4_ADVANCED_CODING           11
#define FF_PROFILE_MPEG4_ADVANCED_CORE             12
#define FF_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE 13
#define FF_PROFILE_MPEG4_SIMPLE_STUDIO             14
#define FF_PROFILE_MPEG4_ADVANCED_SIMPLE           15
 
#define FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0   1
#define FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1   2
#define FF_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION  32768
#define FF_PROFILE_JPEG2000_DCINEMA_2K              3
#define FF_PROFILE_JPEG2000_DCINEMA_4K              4
 
#define FF_PROFILE_VP9_0                            0
#define FF_PROFILE_VP9_1                            1
#define FF_PROFILE_VP9_2                            2
#define FF_PROFILE_VP9_3                            3
 
#define FF_PROFILE_HEVC_MAIN                        1
#define FF_PROFILE_HEVC_MAIN_10                     2
#define FF_PROFILE_HEVC_MAIN_STILL_PICTURE          3
#define FF_PROFILE_HEVC_REXT                        4
 
#define FF_PROFILE_VVC_MAIN_10                      1
#define FF_PROFILE_VVC_MAIN_10_444                 33
 
#define FF_PROFILE_AV1_MAIN                         0
#define FF_PROFILE_AV1_HIGH                         1
#define FF_PROFILE_AV1_PROFESSIONAL                 2
 
#define FF_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT            0xc0
#define FF_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT 0xc1
#define FF_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT         0xc2
#define FF_PROFILE_MJPEG_HUFFMAN_LOSSLESS                0xc3
#define FF_PROFILE_MJPEG_JPEG_LS                         0xf7
 
#define FF_PROFILE_SBC_MSBC                         1
 
#define FF_PROFILE_PRORES_PROXY     0
#define FF_PROFILE_PRORES_LT        1
#define FF_PROFILE_PRORES_STANDARD  2
#define FF_PROFILE_PRORES_HQ        3
#define FF_PROFILE_PRORES_4444      4
#define FF_PROFILE_PRORES_XQ        5
 
#define FF_PROFILE_ARIB_PROFILE_A 0
#define FF_PROFILE_ARIB_PROFILE_C 1
 
#define FF_PROFILE_KLVA_SYNC 0
#define FF_PROFILE_KLVA_ASYNC 1
 
     int level;
#define FF_LEVEL_UNKNOWN -99
 
    enum AVDiscard skip_loop_filter;
 
    enum AVDiscard skip_idct;
 
    enum AVDiscard skip_frame;
 
    uint8_t *subtitle_header;
    int subtitle_header_size;
 
    int initial_padding;
 
    AVRational framerate;
 
    enum AVPixelFormat sw_pix_fmt;
 
    AVRational pkt_timebase;
 
    const AVCodecDescriptor *codec_descriptor;
 
    int64_t pts_correction_num_faulty_pts;
    int64_t pts_correction_num_faulty_dts;
    int64_t pts_correction_last_pts;
    int64_t pts_correction_last_dts;
 
    char *sub_charenc;
 
    int sub_charenc_mode;
#define FF_SUB_CHARENC_MODE_DO_NOTHING  -1
#define FF_SUB_CHARENC_MODE_AUTOMATIC    0
#define FF_SUB_CHARENC_MODE_PRE_DECODER  1
#define FF_SUB_CHARENC_MODE_IGNORE       2
 
    int skip_alpha;
 
    int seek_preroll;
 
    attribute_deprecated
    int debug_mv;
#define FF_DEBUG_VIS_MV_P_FOR  0x00000001
#define FF_DEBUG_VIS_MV_B_FOR  0x00000002
#define FF_DEBUG_VIS_MV_B_BACK 0x00000004
 
    uint16_t *chroma_intra_matrix;
 
    uint8_t *dump_separator;
 
    char *codec_whitelist;
 
    unsigned properties;
#define FF_CODEC_PROPERTY_LOSSLESS        0x00000001
#define FF_CODEC_PROPERTY_CLOSED_CAPTIONS 0x00000002
#define FF_CODEC_PROPERTY_FILM_GRAIN      0x00000004
 
    AVPacketSideData *coded_side_data;
    int            nb_coded_side_data;
 
    AVBufferRef *hw_frames_ctx;
 
    attribute_deprecated
    int sub_text_format;
#define FF_SUB_TEXT_FMT_ASS              0
 
    int trailing_padding;
 
    int64_t max_pixels;
 
    AVBufferRef *hw_device_ctx;
 
    int hwaccel_flags;
 
    int apply_cropping;
 
    int extra_hw_frames;
 
    int discard_damaged_percentage;
 
    int64_t max_samples;
 
    int export_side_data;
 
    int (*get_encode_buffer)(struct AVCodecContext *s, AVPacket *pkt, int flags);
} AVCodecContext;
 
struct MpegEncContext;
 
typedef struct AVHWAccel {
 
    const char *name;
 
    enum AVMediaType type;
 
    enum AVCodecID id;
 
    enum AVPixelFormat pix_fmt;
 
    int capabilities;
 
    int (*alloc_frame)(AVCodecContext *avctx, AVFrame *frame);
 
    int (*start_frame)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size);
 
    int (*decode_params)(AVCodecContext *avctx, int type, const uint8_t *buf, uint32_t buf_size);
 
    int (*decode_slice)(AVCodecContext *avctx, const uint8_t *buf, uint32_t buf_size);
 
    int (*end_frame)(AVCodecContext *avctx);
 
    int frame_priv_data_size;
 
    void (*decode_mb)(struct MpegEncContext *s);
 
    int (*init)(AVCodecContext *avctx);
 
    int (*uninit)(AVCodecContext *avctx);
 
    int priv_data_size;
 
    int caps_internal;
 
    int (*frame_params)(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx);
} AVHWAccel;
 
#define AV_HWACCEL_CODEC_CAP_EXPERIMENTAL 0x0200
 
#define AV_HWACCEL_FLAG_IGNORE_LEVEL (1 << 0)
 
#define AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH (1 << 1)
 
#define AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH (1 << 2)
 
enum AVSubtitleType {
    SUBTITLE_NONE,
 
    SUBTITLE_BITMAP,
 
    SUBTITLE_TEXT,
 
    SUBTITLE_ASS,
};
 
#define AV_SUBTITLE_FLAG_FORCED 0x00000001
 
typedef struct AVSubtitleRect {
    int x;
    int y;
    int w;
    int h;
    int nb_colors;
 
    uint8_t *data[4];
    int linesize[4];
 
    enum AVSubtitleType type;
 
    char *text;
 
    char *ass;
 
    int flags;
} AVSubtitleRect;
 
typedef struct AVSubtitle {
    uint16_t format;
    uint32_t start_display_time;
    uint32_t end_display_time;
    unsigned num_rects;
    AVSubtitleRect **rects;
    int64_t pts;
} AVSubtitle;
 
unsigned avcodec_version(void);
 
const char *avcodec_configuration(void);
 
const char *avcodec_license(void);
 
AVCodecContext *avcodec_alloc_context3(const AVCodec *codec);
 
void avcodec_free_context(AVCodecContext **avctx);
 
const AVClass *avcodec_get_class(void);
 
attribute_deprecated
const AVClass *avcodec_get_frame_class(void);
 
const AVClass *avcodec_get_subtitle_rect_class(void);
 
int avcodec_parameters_from_context(AVCodecParameters *par,
                                    const AVCodecContext *codec);
 
int avcodec_parameters_to_context(AVCodecContext *codec,
                                  const AVCodecParameters *par);
 
int avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options);
 
int avcodec_close(AVCodecContext *avctx);
 
void avsubtitle_free(AVSubtitle *sub);
 
int avcodec_default_get_buffer2(AVCodecContext *s, AVFrame *frame, int flags);
 
int avcodec_default_get_encode_buffer(AVCodecContext *s, AVPacket *pkt, int flags);
 
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height);
 
void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
                               int linesize_align[AV_NUM_DATA_POINTERS]);
 
int avcodec_enum_to_chroma_pos(int *xpos, int *ypos, enum AVChromaLocation pos);
 
enum AVChromaLocation avcodec_chroma_pos_to_enum(int xpos, int ypos);
 
int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
                            int *got_sub_ptr,
                            AVPacket *avpkt);
 
int avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt);
 
int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame);
 
int avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame);
 
int avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt);
 
int avcodec_get_hw_frames_parameters(AVCodecContext *avctx,
                                     AVBufferRef *device_ref,
                                     enum AVPixelFormat hw_pix_fmt,
                                     AVBufferRef **out_frames_ref);
 
enum AVPictureStructure {
    AV_PICTURE_STRUCTURE_UNKNOWN,
    AV_PICTURE_STRUCTURE_TOP_FIELD,
    AV_PICTURE_STRUCTURE_BOTTOM_FIELD,
    AV_PICTURE_STRUCTURE_FRAME,
};
 
typedef struct AVCodecParserContext {
    void *priv_data;
    const struct AVCodecParser *parser;
    int64_t frame_offset;
    int64_t cur_offset;
 
    int64_t next_frame_offset;
 
    int pict_type;
 
    int repeat_pict;
    int64_t pts;
    int64_t dts;
 
    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];
 
    int flags;
#define PARSER_FLAG_COMPLETE_FRAMES           0x0001
#define PARSER_FLAG_ONCE                      0x0002
 
#define PARSER_FLAG_FETCHED_OFFSET            0x0004
#define PARSER_FLAG_USE_CODEC_TS              0x1000
 
    int64_t offset;
    int64_t cur_frame_end[AV_PARSER_PTS_NB];
 
    int key_frame;
 
    int dts_sync_point;
 
    int dts_ref_dts_delta;
 
    int pts_dts_delta;
 
    int64_t cur_frame_pos[AV_PARSER_PTS_NB];
 
    int64_t pos;
 
    int64_t last_pos;
 
    int duration;
 
    enum AVFieldOrder field_order;
 
    enum AVPictureStructure picture_structure;
 
    int output_picture_number;
 
    int width;
    int height;
 
    int coded_width;
    int coded_height;
 
    int format;
} AVCodecParserContext;
 
typedef struct AVCodecParser {
    int codec_ids[7];
    int priv_data_size;
    int (*parser_init)(AVCodecParserContext *s);
 
    int (*parser_parse)(AVCodecParserContext *s,
                        AVCodecContext *avctx,
                        const 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);
} AVCodecParser;
 
const AVCodecParser *av_parser_iterate(void **opaque);
 
AVCodecParserContext *av_parser_init(int codec_id);
 
int av_parser_parse2(AVCodecParserContext *s,
                     AVCodecContext *avctx,
                     uint8_t **poutbuf, int *poutbuf_size,
                     const uint8_t *buf, int buf_size,
                     int64_t pts, int64_t dts,
                     int64_t pos);
 
void av_parser_close(AVCodecParserContext *s);
 
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
                            const AVSubtitle *sub);
 
unsigned int avcodec_pix_fmt_to_codec_tag(enum AVPixelFormat pix_fmt);
 
enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(const enum AVPixelFormat *pix_fmt_list,
                                            enum AVPixelFormat src_pix_fmt,
                                            int has_alpha, int *loss_ptr);
 
enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat * fmt);
 
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
 
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size);
int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int, int),void *arg, int *ret, int count);
 
int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
                             enum AVSampleFormat sample_fmt, const uint8_t *buf,
                             int buf_size, int align);
 
void avcodec_flush_buffers(AVCodecContext *avctx);
 
int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes);
 
void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size);
 
void av_fast_padded_mallocz(void *ptr, unsigned int *size, size_t min_size);
 
int avcodec_is_open(AVCodecContext *s);
 
#define AVFORMAT_AVFORMAT_H
 
#define AVFORMAT_AVIO_H
 
#define AVFORMAT_VERSION_H
 
#define LIBAVFORMAT_VERSION_MAJOR  59
#define LIBAVFORMAT_VERSION_MINOR  16
#define LIBAVFORMAT_VERSION_MICRO 100
 
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                               LIBAVFORMAT_VERSION_MINOR, \
                                               LIBAVFORMAT_VERSION_MICRO)
#define LIBAVFORMAT_VERSION     AV_VERSION(LIBAVFORMAT_VERSION_MAJOR,   \
                                           LIBAVFORMAT_VERSION_MINOR,   \
                                           LIBAVFORMAT_VERSION_MICRO)
#define LIBAVFORMAT_BUILD       LIBAVFORMAT_VERSION_INT
 
#define LIBAVFORMAT_IDENT       "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
 
#define FF_API_LAVF_PRIV_OPT            (LIBAVFORMAT_VERSION_MAJOR < 60)
#define FF_API_COMPUTE_PKT_FIELDS2      (LIBAVFORMAT_VERSION_MAJOR < 60)
#define FF_API_AVIOCONTEXT_WRITTEN      (LIBAVFORMAT_VERSION_MAJOR < 60)
#define FF_HLS_TS_OPTIONS               (LIBAVFORMAT_VERSION_MAJOR < 60)
#define FF_API_AVSTREAM_CLASS           (LIBAVFORMAT_VERSION_MAJOR > 59)
#define FF_HTTP_CACHE_REDIRECT_DEFAULT  (LIBAVFORMAT_VERSION_MAJOR < 60)
 
#define FF_API_R_FRAME_RATE            1
 
#define AVIO_SEEKABLE_NORMAL (1 << 0)
 
#define AVIO_SEEKABLE_TIME   (1 << 1)
 
typedef struct AVIOInterruptCB {
    int (*callback)(void*);
    void *opaque;
} AVIOInterruptCB;
 
enum AVIODirEntryType {
    AVIO_ENTRY_UNKNOWN,
    AVIO_ENTRY_BLOCK_DEVICE,
    AVIO_ENTRY_CHARACTER_DEVICE,
    AVIO_ENTRY_DIRECTORY,
    AVIO_ENTRY_NAMED_PIPE,
    AVIO_ENTRY_SYMBOLIC_LINK,
    AVIO_ENTRY_SOCKET,
    AVIO_ENTRY_FILE,
    AVIO_ENTRY_SERVER,
    AVIO_ENTRY_SHARE,
    AVIO_ENTRY_WORKGROUP,
};
 
typedef struct AVIODirEntry {
    char *name;
    int type;
    int utf8;
 
    int64_t size;
    int64_t modification_timestamp;
 
    int64_t access_timestamp;
 
    int64_t status_change_timestamp;
 
    int64_t user_id;
    int64_t group_id;
    int64_t filemode;
} AVIODirEntry;
 
typedef struct AVIODirContext {
    struct URLContext *url_context;
} AVIODirContext;
 
enum AVIODataMarkerType {
 
    AVIO_DATA_MARKER_HEADER,
 
    AVIO_DATA_MARKER_SYNC_POINT,
 
    AVIO_DATA_MARKER_BOUNDARY_POINT,
 
    AVIO_DATA_MARKER_UNKNOWN,
 
    AVIO_DATA_MARKER_TRAILER,
 
    AVIO_DATA_MARKER_FLUSH_POINT,
};
 
typedef struct AVIOContext {
 
    const AVClass *av_class;
 
    unsigned char *buffer;
    int buffer_size;
    unsigned char *buf_ptr;
    unsigned char *buf_end;
 
    void *opaque;
 
    int (*read_packet)(void *opaque, uint8_t *buf, int buf_size);
    int (*write_packet)(void *opaque, uint8_t *buf, int buf_size);
    int64_t (*seek)(void *opaque, int64_t offset, int whence);
    int64_t pos;
    int eof_reached;
    int error;
    int write_flag;
    int max_packet_size;
    int min_packet_size;
 
    unsigned long checksum;
    unsigned char *checksum_ptr;
    unsigned long (*update_checksum)(unsigned long checksum, const uint8_t *buf, unsigned int size);
 
    int (*read_pause)(void *opaque, int pause);
 
    int64_t (*read_seek)(void *opaque, int stream_index,
                         int64_t timestamp, int flags);
 
    int seekable;
 
    int direct;
 
    const char *protocol_whitelist;
 
    const char *protocol_blacklist;
 
    int (*write_data_type)(void *opaque, uint8_t *buf, int buf_size,
                           enum AVIODataMarkerType type, int64_t time);
 
    int ignore_boundary_point;
 
    attribute_deprecated
    int64_t written;
 
    unsigned char *buf_ptr_max;
 
    int64_t bytes_read;
 
    int64_t bytes_written;
} AVIOContext;
 
const char *avio_find_protocol_name(const char *url);
 
int avio_check(const char *url, int flags);
 
int avio_open_dir(AVIODirContext **s, const char *url, AVDictionary **options);
 
int avio_read_dir(AVIODirContext *s, AVIODirEntry **next);
 
int avio_close_dir(AVIODirContext **s);
 
void avio_free_directory_entry(AVIODirEntry **entry);
 
AVIOContext *avio_alloc_context(
                  unsigned char *buffer,
                  int buffer_size,
                  int write_flag,
                  void *opaque,
                  int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
                  int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
                  int64_t (*seek)(void *opaque, int64_t offset, int whence));
 
void avio_context_free(AVIOContext **s);
 
void avio_w8(AVIOContext *s, int b);
void avio_write(AVIOContext *s, const unsigned char *buf, int size);
void avio_wl64(AVIOContext *s, uint64_t val);
void avio_wb64(AVIOContext *s, uint64_t val);
void avio_wl32(AVIOContext *s, unsigned int val);
void avio_wb32(AVIOContext *s, unsigned int val);
void avio_wl24(AVIOContext *s, unsigned int val);
void avio_wb24(AVIOContext *s, unsigned int val);
void avio_wl16(AVIOContext *s, unsigned int val);
void avio_wb16(AVIOContext *s, unsigned int val);
 
int avio_put_str(AVIOContext *s, const char *str);
 
int avio_put_str16le(AVIOContext *s, const char *str);
 
int avio_put_str16be(AVIOContext *s, const char *str);
 
void avio_write_marker(AVIOContext *s, int64_t time, enum AVIODataMarkerType type);
 
#define AVSEEK_SIZE 0x10000
 
#define AVSEEK_FORCE 0x20000
 
int64_t avio_seek(AVIOContext *s, int64_t offset, int whence);
 
int64_t avio_skip(AVIOContext *s, int64_t offset);
 
static av_always_inline int64_t avio_tell(AVIOContext *s)
{
    return avio_seek(s, 0, SEEK_CUR);
}
 
int64_t avio_size(AVIOContext *s);
 
int avio_feof(AVIOContext *s);
 
int avio_printf(AVIOContext *s, const char *fmt, ...) av_printf_format(2, 3);
 
void avio_print_string_array(AVIOContext *s, const char *strings[]);
 
#define avio_print(s, ...) \
    avio_print_string_array(s, (const char*[]){__VA_ARGS__, NULL})