libavfilter/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 "avfiltergraph.h"
#include "audio.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	Command
struct	Interval
struct	SendCmdContext
Defines
#define	COMMAND_FLAG_ENTER   1
#define	COMMAND_FLAG_LEAVE   2
#define	OFFSET(x)   offsetof(SendCmdContext, x)
#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)
	AVFILTER_DEFINE_CLASS (sendcmd)
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, const char *args)
static void av_cold	uninit (AVFilterContext *ctx)
static int	process_frame (AVFilterLink *inlink, AVFilterBufferRef *ref)
Variables
static const AVOption	sendcmd_options []

---

Detailed Description

send commands filter

Definition in file f_sendcmd.c.

---

Define Documentation

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

Definition at line 113 of file f_sendcmd.c.

Referenced by parse_command().

#define COMMAND_FLAG_ENTER   1

Definition at line 37 of file f_sendcmd.c.

Referenced by parse_command(), and process_frame().

#define COMMAND_FLAG_LEAVE   2

Definition at line 38 of file f_sendcmd.c.

Referenced by parse_command(), and process_frame().

#define DELIMS   " \f\t\n\r,;"

Definition at line 249 of file f_sendcmd.c.

Referenced by parse_interval().

#define OFFSET

(

x

)

offsetof(SendCmdContext, x)

Definition at line 82 of file f_sendcmd.c.

#define SPACES   " \f\t\n\r"

Definition at line 94 of file f_sendcmd.c.

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

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

Referenced by process_frame().

---

Function Documentation

AVFILTER_DEFINE_CLASS

(

sendcmd

)

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

Definition at line 362 of file f_sendcmd.c.

Referenced by init().

static av_cold int init	(	AVFilterContext *	ctx,
		const char *	args
	)			[static]

Definition at line 373 of file f_sendcmd.c.

static char* make_command_flags_str	(	AVBPrint *	pbuf,
		int	flags
	)			[inline, static]

Definition at line 40 of file f_sendcmd.c.

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

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

Definition at line 115 of file f_sendcmd.c.

Referenced by parse_commands().

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

Definition at line 199 of file f_sendcmd.c.

Referenced by parse_interval().

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

Definition at line 251 of file f_sendcmd.c.

Referenced by parse_intervals().

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

Definition at line 314 of file f_sendcmd.c.

Referenced by init().

static int process_frame	(	AVFilterLink *	inlink,
		AVFilterBufferRef *	ref
	)			[static]

Definition at line 452 of file f_sendcmd.c.

static void skip_comments

(

const char **

buf

)

[static]

Definition at line 96 of file f_sendcmd.c.

Referenced by parse_intervals().

static void av_cold uninit

(

AVFilterContext *

ctx

)

[static]

Definition at line 432 of file f_sendcmd.c.

---

Variable Documentation

const AVOption sendcmd_options[] [static]

Initial value:

 {
    { "commands", "set commands", OFFSET(commands_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0 },
    { "c",        "set commands", OFFSET(commands_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0 },
    { "filename", "set commands file",  OFFSET(commands_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0 },
    { "f",        "set commands file",  OFFSET(commands_filename), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0 },
    {NULL},
}

Definition at line 84 of file f_sendcmd.c.