f_sendcmd.c File Reference

send commands filter More...

#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.

Referenced by filter_frame(), and parse_command().

COMMAND_FLAG_LEAVE

#define COMMAND_FLAG_LEAVE   2

Definition at line 37 of file f_sendcmd.c.

Referenced by filter_frame(), and parse_command().

OFFSET

#define OFFSET

(

x

)

offsetof(SendCmdContext, x)

Definition at line 81 of file f_sendcmd.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_VIDEO_PARAM

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.

Referenced by parse_command(), parse_commands(), parse_interval(), parse_intervals(), and skip_comments().

COMMAND_DELIMS

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

Definition at line 110 of file f_sendcmd.c.

Referenced by parse_command().

DELIMS

#define DELIMS   " \f\t\n\r,;"

Definition at line 246 of file f_sendcmd.c.

Referenced by parse_interval().

WITHIN_INTERVAL

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

Referenced by filter_frame().

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.

Referenced by filter_frame().

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 435 of file f_sendcmd.c.

Referenced by filter_frame().

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.