options.c File Reference

Options definition for AVFormatContext. More...

#include "avformat.h"
#include "avio_internal.h"
#include "libavutil/opt.h"
#include "options_table.h"

Go to the source code of this file.

Functions
static const char *	format_to_name (void *ptr)
static void *	format_child_next (void *obj, void *prev)
static const AVClass *	format_child_class_next (const AVClass *prev)
static AVClassCategory	get_category (void *ptr)
static void	avformat_get_context_defaults (AVFormatContext *s)
AVFormatContext *	avformat_alloc_context (void)
	Allocate an AVFormatContext.
enum AVDurationEstimationMethod	av_fmt_ctx_get_duration_estimation_method (const AVFormatContext *ctx)
	Returns the method used to set ctx->duration.
const AVClass *	avformat_get_class (void)
	Get the AVClass for AVFormatContext.

Variables
static const AVClass	av_format_context_class

Detailed Description

Options definition for AVFormatContext.

Definition in file options.c.

Function Documentation

static const char* format_to_name ( void *  ptr )

static

Definition at line 31 of file options.c.

static void* format_child_next ( void *  obj, void *  prev  )

static

Definition at line 39 of file options.c.

static const AVClass* format_child_class_next ( const AVClass *  prev )

static

Definition at line 51 of file options.c.

static AVClassCategory get_category ( void *  ptr )

static

Definition at line 79 of file options.c.

static void avformat_get_context_defaults ( AVFormatContext *  s )

static

Definition at line 97 of file options.c.

Referenced by avformat_alloc_context().

enum AVDurationEstimationMethod av_fmt_ctx_get_duration_estimation_method

(

const AVFormatContext *

ctx

)

Returns the method used to set ctx->duration.

Returns

AVFMT_DURATION_FROM_PTS, AVFMT_DURATION_FROM_STREAM, or AVFMT_DURATION_FROM_BITRATE.

Definition at line 115 of file options.c.

Variable Documentation

const AVClass av_format_context_class

static

Initial value:

= {
    .class_name     = "AVFormatContext",
    .item_name      = format_to_name,
    .option         = avformat_options,
    .version        = LIBAVUTIL_VERSION_INT,
    .child_next     = format_child_next,
    .child_class_next = format_child_class_next,
    .category       = AV_CLASS_CATEGORY_MUXER,
    .get_category   = get_category,
}

Definition at line 86 of file options.c.

Referenced by avformat_get_class(), and avformat_get_context_defaults().