vsrc_movie.c File Reference

movie video source More...

#include <float.h>
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavformat/avformat.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	MovieContext

Macros
#define	OFFSET(x)   offsetof(MovieContext, x)

Functions
static const char *	movie_get_name (void *ctx)
static int	movie_init (AVFilterContext *ctx)
static av_cold int	init (AVFilterContext *ctx, const char *args)
static av_cold void	uninit (AVFilterContext *ctx)
static int	query_formats (AVFilterContext *ctx)
static int	config_output_props (AVFilterLink *outlink)
static int	movie_get_frame (AVFilterLink *outlink)
static int	request_frame (AVFilterLink *outlink)

Variables
static const AVOption	movie_options []
static const AVClass	movie_class
static const AVFilterPad	avfilter_vsrc_movie_outputs []
AVFilter	avfilter_vsrc_movie

Detailed Description

movie video source

Todo:

use direct rendering (no allocation of a new frame)

support a PTS correction mechanism

support more than one output stream

Definition in file vsrc_movie.c.

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(MovieContext, x)

Definition at line 60 of file vsrc_movie.c.

Function Documentation

static int config_output_props ( AVFilterLink *  outlink )

static

Definition at line 212 of file vsrc_movie.c.

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

static

Definition at line 165 of file vsrc_movie.c.

static int movie_get_frame ( AVFilterLink *  outlink )

static

Definition at line 223 of file vsrc_movie.c.

Referenced by request_frame().

static const char* movie_get_name ( void *  ctx )

static

Definition at line 72 of file vsrc_movie.c.

static int movie_init ( AVFilterContext *  ctx )

static

Definition at line 83 of file vsrc_movie.c.

Referenced by init().

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 203 of file vsrc_movie.c.

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 280 of file vsrc_movie.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 189 of file vsrc_movie.c.

Variable Documentation

AVFilter avfilter_vsrc_movie

Initial value:

= {
    .name          = "movie",
    .description   = NULL_IF_CONFIG_SMALL("Read from a movie source."),
    .priv_size     = sizeof(MovieContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,

    .inputs    = NULL,
    .outputs   = avfilter_vsrc_movie_outputs,
}

Definition at line 306 of file vsrc_movie.c.

const AVFilterPad avfilter_vsrc_movie_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .request_frame = request_frame,
        .config_props  = config_output_props,
    },
    { NULL }
}

Definition at line 296 of file vsrc_movie.c.

const AVClass movie_class

static

Initial value:

= {
    "MovieContext",
    movie_get_name,
    movie_options
}

Definition at line 77 of file vsrc_movie.c.

Referenced by init().

const AVOption movie_options[]

static

Initial value:

= {
{"format_name",  "set format name",         OFFSET(format_name),  AV_OPT_TYPE_STRING, {.str =  0},  CHAR_MIN, CHAR_MAX },
{"f",            "set format name",         OFFSET(format_name),  AV_OPT_TYPE_STRING, {.str =  0},  CHAR_MIN, CHAR_MAX },
{"stream_index", "set stream index",        OFFSET(stream_index), AV_OPT_TYPE_INT,    {.i64 = -1},  -1,       INT_MAX  },
{"si",           "set stream index",        OFFSET(stream_index), AV_OPT_TYPE_INT,    {.i64 = -1},  -1,       INT_MAX  },
{"seek_point",   "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, {.dbl =  0},  0,        (INT64_MAX-1) / 1000000 },
{"sp",           "set seekpoint (seconds)", OFFSET(seek_point_d), AV_OPT_TYPE_DOUBLE, {.dbl =  0},  0,        (INT64_MAX-1) / 1000000 },
{NULL},
}

Definition at line 62 of file vsrc_movie.c.