libavformat/options.c File Reference

Options definition for AVFormatContext. More...

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

Go to the source code of this file.

Defines
#define	OFFSET(x)   offsetof(AVFormatContext,x)
#define	DEFAULT   0
#define	E   AV_OPT_FLAG_ENCODING_PARAM
#define	D   AV_OPT_FLAG_DECODING_PARAM
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 void	avformat_get_context_defaults (AVFormatContext *s)
AVFormatContext *	avformat_alloc_context (void)
	Allocate an AVFormatContext.
const AVClass *	avformat_get_class (void)
	Get the AVClass for AVFormatContext.
Variables
static const AVOption	options []
static const AVClass	av_format_context_class

---

Detailed Description

Options definition for AVFormatContext.

Definition in file options.c.

---

Define Documentation

#define D   AV_OPT_FLAG_DECODING_PARAM

Definition at line 87 of file options.c.

#define DEFAULT   0

Definition at line 84 of file options.c.

#define E   AV_OPT_FLAG_ENCODING_PARAM

Definition at line 86 of file options.c.

#define OFFSET

(

x

)

offsetof(AVFormatContext,x)

Definition at line 83 of file options.c.

---

Function Documentation

AVFormatContext* avformat_alloc_context

(

void

)

Allocate an AVFormatContext.

avformat_free_context() can be used to free the context and everything allocated by the framework within it.

Definition at line 147 of file options.c.

Referenced by applehttp_read_header(), av_open_input_stream(), avformat_alloc_output_context2(), avformat_open_input(), ff_mov_read_stsd_entries(), ff_rtp_chain_mux_open(), ff_wms_parse_sdp_a_line(), http_receive_data(), opt_input_file(), prepare_sdp_description(), read_ffserver_streams(), read_gab2_sub(), read_thread(), rtp_new_av_stream(), and sap_read_header().

const AVClass* avformat_get_class

(

void

)

Get the AVClass for AVFormatContext.

It can be used in combination with AV_OPT_SEARCH_FAKE_OBJ for examining options.

See also:

av_opt_find().

Definition at line 156 of file options.c.

Referenced by opt_default(), opt_help(), and show_format_opts().

static void avformat_get_context_defaults

(

AVFormatContext *

s

)

[static]

Definition at line 138 of file options.c.

Referenced by avformat_alloc_context().

static const AVClass* format_child_class_next

(

const AVClass *

prev

)

[static]

Definition at line 51 of file options.c.

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

Definition at line 37 of file options.c.

static const char* format_to_name

(

void *

ptr

)

[static]

Definition at line 29 of file options.c.

---

Variable Documentation

const AVClass av_format_context_class [static]

Initial value:

 {
    .class_name     = "AVFormatContext",
    .item_name      = format_to_name,
    .option         = options,
    .version        = LIBAVUTIL_VERSION_INT,
    .child_next     = format_child_next,
    .child_class_next = format_child_class_next,
}

Definition at line 129 of file options.c.

const AVOption options[] [static]

Definition at line 89 of file options.c.