f_streamselect.c File Reference

#include "libavutil/avstring.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "audio.h"
#include "filters.h"
#include "formats.h"
#include "framesync.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	StreamSelectContext

Macros
#define	OFFSET(x)   offsetof(StreamSelectContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM
#define	TFLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Functions
	AVFILTER_DEFINE_CLASS_EXT (streamselect, "(a)streamselect", streamselect_options)
static int	process_frame (FFFrameSync *fs)
static int	activate (AVFilterContext *ctx)
static int	config_output (AVFilterLink *outlink)
static int	parse_definition (AVFilterContext *ctx, int nb_pads, int is_input, int is_audio)
static int	parse_mapping (AVFilterContext *ctx, const char *map)
static int	process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
static av_cold int	init (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)

Variables
static const AVOption	streamselect_options []
const AVFilter	ff_vf_streamselect
const AVFilter	ff_af_astreamselect

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(StreamSelectContext, x)

Definition at line 42 of file f_streamselect.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM

Definition at line 43 of file f_streamselect.c.

TFLAGS

#define TFLAGS   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 44 of file f_streamselect.c.

Function Documentation

AVFILTER_DEFINE_CLASS_EXT()

AVFILTER_DEFINE_CLASS_EXT	(	streamselect	,
		"(a)streamselect"	,
		streamselect_options
	)

process_frame()

static int process_frame ( FFFrameSync *  fs )

static

Definition at line 53 of file f_streamselect.c.

Referenced by config_output().

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 92 of file f_streamselect.c.

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 98 of file f_streamselect.c.

Referenced by parse_definition().

parse_definition()

static int parse_definition ( AVFilterContext *  ctx, int  nb_pads, int  is_input, int  is_audio  )

static

Definition at line 152 of file f_streamselect.c.

Referenced by init().

parse_mapping()

static int parse_mapping ( AVFilterContext *  ctx, const char *  map  )

static

Definition at line 181 of file f_streamselect.c.

Referenced by init(), and process_command().

process_command()

static int process_command ( AVFilterContext *  ctx, const char *  cmd, const char *  args, char *  res, int  res_len, int  flags  )

static

Definition at line 240 of file f_streamselect.c.

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 253 of file f_streamselect.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 286 of file f_streamselect.c.

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 296 of file f_streamselect.c.

Variable Documentation

streamselect_options

const AVOption streamselect_options[]

static

Initial value:

= {
    { "inputs",  "number of input streams",           OFFSET(nb_inputs),  AV_OPT_TYPE_INT,    {.i64=2},    2, INT_MAX,  .flags=FLAGS },
    { "map",     "input indexes to remap to outputs", OFFSET(map_str),    AV_OPT_TYPE_STRING, {.str=NULL},              .flags=TFLAGS },
    { NULL }
}

Definition at line 45 of file f_streamselect.c.

ff_vf_streamselect

const AVFilter ff_vf_streamselect

Initial value:

= {
    .name            = "streamselect",
    .description     = NULL_IF_CONFIG_SMALL("Select video streams"),
    .init            = init,
    FILTER_QUERY_FUNC(query_formats),
    .process_command = process_command,
    .uninit          = uninit,
    .activate        = activate,
    .priv_size       = sizeof(StreamSelectContext),
    .priv_class      = &streamselect_class,
    .flags           = AVFILTER_FLAG_DYNAMIC_INPUTS | AVFILTER_FLAG_DYNAMIC_OUTPUTS,
}

Definition at line 316 of file f_streamselect.c.

ff_af_astreamselect

const AVFilter ff_af_astreamselect

Initial value:

= {
    .name            = "astreamselect",
    .description     = NULL_IF_CONFIG_SMALL("Select audio streams"),
    .priv_class      = &streamselect_class,
    .init            = init,
    FILTER_QUERY_FUNC(query_formats),
    .process_command = process_command,
    .uninit          = uninit,
    .activate        = activate,
    .priv_size       = sizeof(StreamSelectContext),
    .flags           = AVFILTER_FLAG_DYNAMIC_INPUTS | AVFILTER_FLAG_DYNAMIC_OUTPUTS,
}

Definition at line 329 of file f_streamselect.c.