f_perms.c File Reference

#include "libavutil/lfg.h"
#include "libavutil/opt.h"
#include "libavutil/random_seed.h"
#include "audio.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	PermsContext

Macros
#define	OFFSET(x)   offsetof(PermsContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM

Enumerations
enum	mode {   FF_EBUR128_MODE_M = (1 << 0), FF_EBUR128_MODE_S = (1 << 1) | FF_EBUR128_MODE_M, FF_EBUR128_MODE_I = (1 << 2) | FF_EBUR128_MODE_M, FF_EBUR128_MODE_LRA = (1 << 3) | FF_EBUR128_MODE_S,   FF_EBUR128_MODE_SAMPLE_PEAK = (1 << 4) | FF_EBUR128_MODE_M, MODE_NONE, MODE_RO, MODE_RW,   MODE_TOGGLE, MODE_RANDOM, NB_MODES, MODE_COVER,   MODE_BLUR, NB_MODES, MODE_HARD, MODE_SOFT,   MODE_MEDIUM, MODE_HARD, MODE_SOFT, NB_MODES }
enum	perm { RO, RW }

Functions
static av_cold int	init (AVFilterContext *ctx)
static int	filter_frame (AVFilterLink *inlink, AVFrame *frame)
	AVFILTER_DEFINE_CLASS_EXT (perms, "(a)perms", options)

Variables
static const AVOption	options []
static const char *const	perm_str [2] = { "RO", "RW" }

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(PermsContext, x)

Definition at line 43 of file f_perms.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM

Definition at line 44 of file f_perms.c.

Enumeration Type Documentation

mode

enum mode

Enumerator
FF_EBUR128_MODE_M	can resurrrect and call ff_ebur128_loudness_momentary
FF_EBUR128_MODE_S	can call ff_ebur128_loudness_shortterm
FF_EBUR128_MODE_I	can call ff_ebur128_loudness_global_* and ff_ebur128_relative_threshold
FF_EBUR128_MODE_LRA	can call ff_ebur128_loudness_range
FF_EBUR128_MODE_SAMPLE_PEAK	can call ff_ebur128_sample_peak
MODE_NONE
MODE_RO
MODE_RW
MODE_TOGGLE
MODE_RANDOM
NB_MODES
MODE_COVER
MODE_BLUR
NB_MODES
MODE_HARD
MODE_SOFT
MODE_MEDIUM
MODE_HARD
MODE_SOFT
NB_MODES

Definition at line 27 of file f_perms.c.

perm

enum perm

Enumerator
RO
RW

Definition at line 74 of file f_perms.c.

Function Documentation

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 57 of file f_perms.c.

filter_frame()

static int filter_frame ( AVFilterLink *  inlink, AVFrame *  frame  )

static

Definition at line 77 of file f_perms.c.

AVFILTER_DEFINE_CLASS_EXT()

AVFILTER_DEFINE_CLASS_EXT	(	perms	,
		"(a)perms"	,
		options
	)

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "mode", "select permissions mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = MODE_NONE}, MODE_NONE, NB_MODES-1, FLAGS, "mode" },
        { "none",   "do nothing",                       0, AV_OPT_TYPE_CONST, {.i64 = MODE_NONE},       INT_MIN, INT_MAX, FLAGS, "mode" },
        { "ro",     "set all output frames read-only",  0, AV_OPT_TYPE_CONST, {.i64 = MODE_RO},         INT_MIN, INT_MAX, FLAGS, "mode" },
        { "rw",     "set all output frames writable",   0, AV_OPT_TYPE_CONST, {.i64 = MODE_RW},         INT_MIN, INT_MAX, FLAGS, "mode" },
        { "toggle", "switch permissions",               0, AV_OPT_TYPE_CONST, {.i64 = MODE_TOGGLE},     INT_MIN, INT_MAX, FLAGS, "mode" },
        { "random", "set permissions randomly",         0, AV_OPT_TYPE_CONST, {.i64 = MODE_RANDOM},     INT_MIN, INT_MAX, FLAGS, "mode" },
    { "seed", "set the seed for the random mode", OFFSET(random_seed), AV_OPT_TYPE_INT64, {.i64 = -1}, -1, UINT32_MAX, FLAGS },
    { NULL }
}

Definition at line 46 of file f_perms.c.

perm_str

const char* const perm_str[2] = { "RO", "RW" }

static

Definition at line 75 of file f_perms.c.

Referenced by filter_frame().