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Macros | |
#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 | 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 | LIBAVUTIL_VERSION_MAJOR 51 |
#define | LIBAVUTIL_VERSION_MINOR 22 |
#define | LIBAVUTIL_VERSION_MICRO 3 |
#define | LIBAVUTIL_VERSION_INT |
#define | LIBAVUTIL_VERSION |
#define | LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT |
#define | LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION) |
#define | FF_API_GET_BITS_PER_SAMPLE_FMT (LIBAVUTIL_VERSION_MAJOR < 52) |
#define | FF_API_FIND_OPT (LIBAVUTIL_VERSION_MAJOR < 52) |
#define | FF_API_AV_FIFO_PEEK (LIBAVUTIL_VERSION_MAJOR < 52) |
#define | FF_API_OLD_AVOPTIONS (LIBAVUTIL_VERSION_MAJOR < 52) |
#define | FF_LAMBDA_SHIFT 7 |
#define | FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT) |
#define | FF_QP2LAMBDA 118 |
factor to convert from H.263 QP to lambda | |
#define | FF_LAMBDA_MAX (256*128-1) |
#define | FF_QUALITY_SCALE FF_LAMBDA_SCALE |
#define | AV_NOPTS_VALUE INT64_C(0x8000000000000000) |
Undefined timestamp value. | |
#define | AV_TIME_BASE 1000000 |
Internal time base represented as integer. | |
#define | AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE} |
Internal time base represented as fractional value. |
Functions | |
unsigned | avutil_version (void) |
Return the LIBAVUTIL_VERSION_INT constant. | |
const char * | avutil_configuration (void) |
Return the libavutil build-time configuration. | |
const char * | avutil_license (void) |
Return the libavutil license. | |
char | av_get_picture_type_char (enum AVPictureType pict_type) |
Return a single letter to describe the given picture type pict_type. |
external API header
Definition in file avutil.h.