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crypto.c File Reference
#include "avformat.h"
#include "libavutil/aes.h"
#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "internal.h"
#include "url.h"

Go to the source code of this file.

Data Structures

struct  CryptoContext


#define MAX_BUFFER_BLOCKS   150
#define BLOCKSIZE   16
#define OFFSET(x)   offsetof(CryptoContext, x)


static int crypto_open2 (URLContext *h, const char *uri, int flags, AVDictionary **options)
static int crypto_read (URLContext *h, uint8_t *buf, int size)
static int crypto_close (URLContext *h)


static const AVOption options []
static const AVClass crypto_class
URLProtocol ff_crypto_protocol

Macro Definition Documentation

#define MAX_BUFFER_BLOCKS   150

Definition at line 29 of file crypto.c.

#define BLOCKSIZE   16

Definition at line 30 of file crypto.c.

Referenced by crypto_open2(), and crypto_read().

#define OFFSET (   x)    offsetof(CryptoContext, x)

Definition at line 47 of file crypto.c.

Definition at line 48 of file crypto.c.

Function Documentation

static int crypto_open2 ( URLContext h,
const char *  uri,
int  flags,
AVDictionary **  options 

Definition at line 62 of file crypto.c.

static int crypto_read ( URLContext h,
uint8_t buf,
int  size 

Definition at line 104 of file crypto.c.

static int crypto_close ( URLContext h)

Definition at line 153 of file crypto.c.

Variable Documentation

const AVOption options[]
Initial value:
= {
{"key", "AES decryption key", OFFSET(key), AV_OPT_TYPE_BINARY, .flags = D },
{"iv", "AES decryption initialization vector", OFFSET(iv), AV_OPT_TYPE_BINARY, .flags = D },
{ NULL }

Definition at line 49 of file crypto.c.

const AVClass crypto_class
Initial value:
= {
.class_name = "crypto",
.item_name = av_default_item_name,
.option = options,

Definition at line 55 of file crypto.c.

URLProtocol ff_crypto_protocol
Initial value:
= {
.name = "crypto",
.url_open2 = crypto_open2,
.url_read = crypto_read,
.url_close = crypto_close,
.priv_data_size = sizeof(CryptoContext),
.priv_data_class = &crypto_class,

Definition at line 162 of file crypto.c.