FFmpeg
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#include "common.h"
#include "rational.h"
#include "version.h"
#include "macros.h"
#include "mathematics.h"
#include "log.h"
#include "pixfmt.h"
Go to the source code of this file.
Macros | |
#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 More... | |
#define | FF_LAMBDA_MAX (256*128-1) |
#define | FF_QUALITY_SCALE FF_LAMBDA_SCALE |
#define | AV_NOPTS_VALUE ((int64_t)UINT64_C(0x8000000000000000)) |
Undefined timestamp value. More... | |
#define | AV_TIME_BASE 1000000 |
Internal time base represented as integer. More... | |
#define | AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE} |
Internal time base represented as fractional value. More... | |
#define | av_int_list_length(list, term) av_int_list_length_for_size(sizeof(*(list)), list, term) |
Compute the length of an integer list. More... | |
#define | AV_FOURCC_MAX_STRING_SIZE 32 |
#define | av_fourcc2str(fourcc) av_fourcc_make_string((char[AV_FOURCC_MAX_STRING_SIZE]){0}, fourcc) |
Functions | |
unsigned | avutil_version (void) |
Return the LIBAVUTIL_VERSION_INT constant. More... | |
const char * | av_version_info (void) |
Return an informative version string. 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... | |
static void * | av_x_if_null (const void *p, const void *x) |
Return x default pointer in case p is NULL. More... | |
unsigned | av_int_list_length_for_size (unsigned elsize, const void *list, uint64_t term) av_pure |
Compute the length of an integer list. More... | |
AVRational | av_get_time_base_q (void) |
Return the fractional representation of the internal time base. 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... | |