FFmpeg
4.0
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various utility functions More...
#include "config.h"
#include "avutil.h"
#include "avassert.h"
#include "samplefmt.h"
#include "internal.h"
#include "libavutil/ffversion.h"
Go to the source code of this file.
Macros | |
#define | LICENSE_PREFIX "libavutil license: " |
#define | LIST_LENGTH(type) { type t = term, *l = (type *)list; for (i = 0; l[i] != t; i++); } |
Functions | |
const char * | av_version_info (void) |
Return an informative version string. More... | |
unsigned | avutil_version (void) |
Return the LIBAVUTIL_VERSION_INT constant. More... | |
const char * | avutil_configuration (void) |
Return the libavutil build-time configuration. More... | |
const char * | avutil_license (void) |
Return the libavutil license. More... | |
const char * | av_get_media_type_string (enum AVMediaType media_type) |
Return a string describing the media_type enum, NULL if media_type is unknown. More... | |
char | av_get_picture_type_char (enum AVPictureType pict_type) |
Return a single letter to describe the given picture type pict_type. More... | |
unsigned | av_int_list_length_for_size (unsigned elsize, const void *list, uint64_t term) |
Compute the length of an integer list. More... | |
char * | av_fourcc_make_string (char *buf, uint32_t fourcc) |
Fill the provided buffer with a string containing a FourCC (four-character code) representation. More... | |
AVRational | av_get_time_base_q (void) |
Return the fractional representation of the internal time base. More... | |
void | av_assert0_fpu (void) |
Assert that floating point opperations can be executed. More... | |
Variables | |
const char | av_util_ffversion [] = "FFmpeg version " FFMPEG_VERSION |
various utility functions
Definition in file utils.c.
#define LICENSE_PREFIX "libavutil license: " |
Referenced by avutil_license().
Referenced by av_int_list_length_for_size().
Assert that floating point opperations can be executed.
This will av_assert0() that the cpu is not in MMX state on X86