21 #ifndef AVUTIL_AVUTIL_H
22 #define AVUTIL_AVUTIL_H
119 #define AV_STRINGIFY(s) AV_TOSTRING(s)
120 #define AV_TOSTRING(s) #s
122 #define AV_GLUE(a, b) a ## b
123 #define AV_JOIN(a, b) AV_GLUE(a, b)
125 #define AV_PRAGMA(s) _Pragma(#s)
140 #define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
141 #define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
142 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
197 #define FF_LAMBDA_SHIFT 7
198 #define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
199 #define FF_QP2LAMBDA 118
200 #define FF_LAMBDA_MAX (256*128-1)
202 #define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
220 #define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
226 #define AV_TIME_BASE 1000000
232 #define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
const char * avutil_configuration(void)
Return the libavutil build-time configuration.
Opaque data information usually continuous.
char av_get_picture_type_char(enum AVPictureType pict_type)
Return a single letter to describe the given picture type pict_type.
unsigned avutil_version(void)
Return the LIBAVUTIL_VERSION_INT constant.
Libavutil version macros.
Usually treated as AVMEDIA_TYPE_DATA.
Opaque data information usually sparse.
const char * avutil_license(void)
Return the libavutil license.