FFmpeg
Data Structures | Macros | Functions | Variables
f_sendcmd.c File Reference
#include "libavutil/avstring.h"
#include "libavutil/bprint.h"
#include "libavutil/file.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
#include "internal.h"
#include "audio.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  Command
 
struct  Interval
 
struct  SendCmdContext
 

Macros

#define COMMAND_FLAG_ENTER   1
 
#define COMMAND_FLAG_LEAVE   2
 
#define OFFSET(x)   offsetof(SendCmdContext, x)
 
#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM
 
#define SPACES   " \f\t\n\r"
 
#define COMMAND_DELIMS   " \f\t\n\r,;"
 
#define DELIMS   " \f\t\n\r,;"
 
#define WITHIN_INTERVAL(ts, start_ts, end_ts)   ((ts) >= (start_ts) && (ts) < (end_ts))
 

Functions

static char * make_command_flags_str (AVBPrint *pbuf, int flags)
 
static void skip_comments (const char **buf)
 
static int parse_command (Command *cmd, int cmd_count, int interval_count, const char **buf, void *log_ctx)
 
static int parse_commands (Command **cmds, int *nb_cmds, int interval_count, const char **buf, void *log_ctx)
 
static int parse_interval (Interval *interval, int interval_count, const char **buf, void *log_ctx)
 
static int parse_intervals (Interval **intervals, int *nb_intervals, const char *buf, void *log_ctx)
 
static int cmp_intervals (const void *a, const void *b)
 
static av_cold int init (AVFilterContext *ctx)
 
static av_cold void uninit (AVFilterContext *ctx)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *ref)
 

Variables

static const AVOption options []
 

Detailed Description

send commands filter

Definition in file f_sendcmd.c.

Macro Definition Documentation

◆ COMMAND_FLAG_ENTER

#define COMMAND_FLAG_ENTER   1

Definition at line 36 of file f_sendcmd.c.

◆ COMMAND_FLAG_LEAVE

#define COMMAND_FLAG_LEAVE   2

Definition at line 37 of file f_sendcmd.c.

◆ OFFSET

#define OFFSET (   x)    offsetof(SendCmdContext, x)

Definition at line 81 of file f_sendcmd.c.

◆ FLAGS

Definition at line 82 of file f_sendcmd.c.

◆ SPACES

#define SPACES   " \f\t\n\r"

Definition at line 91 of file f_sendcmd.c.

◆ COMMAND_DELIMS

#define COMMAND_DELIMS   " \f\t\n\r,;"

Definition at line 110 of file f_sendcmd.c.

◆ DELIMS

#define DELIMS   " \f\t\n\r,;"

Definition at line 246 of file f_sendcmd.c.

◆ WITHIN_INTERVAL

#define WITHIN_INTERVAL (   ts,
  start_ts,
  end_ts 
)    ((ts) >= (start_ts) && (ts) < (end_ts))

Function Documentation

◆ make_command_flags_str()

static char* make_command_flags_str ( AVBPrint *  pbuf,
int  flags 
)
inlinestatic

Definition at line 39 of file f_sendcmd.c.

Referenced by filter_frame(), init(), and parse_commands().

◆ skip_comments()

static void skip_comments ( const char **  buf)
static

Definition at line 93 of file f_sendcmd.c.

Referenced by parse_intervals().

◆ parse_command()

static int parse_command ( Command cmd,
int  cmd_count,
int  interval_count,
const char **  buf,
void *  log_ctx 
)
static

Definition at line 112 of file f_sendcmd.c.

Referenced by parse_commands().

◆ parse_commands()

static int parse_commands ( Command **  cmds,
int nb_cmds,
int  interval_count,
const char **  buf,
void *  log_ctx 
)
static

Definition at line 196 of file f_sendcmd.c.

Referenced by parse_interval().

◆ parse_interval()

static int parse_interval ( Interval interval,
int  interval_count,
const char **  buf,
void *  log_ctx 
)
static

Definition at line 248 of file f_sendcmd.c.

Referenced by parse_intervals().

◆ parse_intervals()

static int parse_intervals ( Interval **  intervals,
int nb_intervals,
const char *  buf,
void *  log_ctx 
)
static

Definition at line 318 of file f_sendcmd.c.

Referenced by init().

◆ cmp_intervals()

static int cmp_intervals ( const void *  a,
const void *  b 
)
static

Definition at line 369 of file f_sendcmd.c.

Referenced by init().

◆ init()

static av_cold int init ( AVFilterContext ctx)
static

Definition at line 376 of file f_sendcmd.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 435 of file f_sendcmd.c.

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame ref 
)
static

Definition at line 453 of file f_sendcmd.c.

Variable Documentation

◆ options

const AVOption options[]
static
Initial value:
= {
{ "commands", "set commands", OFFSET(commands_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
{ "c", "set commands", OFFSET(commands_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
{ "filename", "set commands file", OFFSET(commands_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
{ "f", "set commands file", OFFSET(commands_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
{ NULL }
}

Definition at line 83 of file f_sendcmd.c.

OFFSET
#define OFFSET(x)
Definition: f_sendcmd.c:81
FLAGS
#define FLAGS
Definition: f_sendcmd.c:82
NULL
#define NULL
Definition: coverity.c:32
AV_OPT_TYPE_STRING
@ AV_OPT_TYPE_STRING
Definition: opt.h:227