#include "asterisk.h"
#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <sys/time.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include "asterisk/channel.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/sched.h"
#include "asterisk/module.h"
#include "asterisk/image.h"
#include "asterisk/lock.h"
#include "asterisk/endian.h"
Go to the source code of this file.
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static int | jpeg_identify (int fd) |
static struct ast_frame * | jpeg_read_image (int fd, int len) |
static int | jpeg_write_image (int fd, struct ast_frame *fr) |
static int | load_module (void) |
static int | unload_module (void) |
Variables | |
static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_FIRST | AST_MODFLAG_BUILDSUM, .description = "JPEG (Joint Picture Experts Group) Image Format" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "361d7bb937402d51e4658efb5b4d76e4" , .load = load_module, .unload = unload_module, } |
static const struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_imager | jpeg_format |
Definition in file format_jpeg.c.
static void __reg_module | ( | void | ) | [static] |
Definition at line 130 of file format_jpeg.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 130 of file format_jpeg.c.
static int jpeg_identify | ( | int | fd | ) | [static] |
Definition at line 72 of file format_jpeg.c.
00073 { 00074 char buf[10]; 00075 int res; 00076 res = read(fd, buf, sizeof(buf)); 00077 if (res < sizeof(buf)) 00078 return 0; 00079 if (memcmp(buf + 6, "JFIF", 4)) 00080 return 0; 00081 return 1; 00082 }
static struct ast_frame* jpeg_read_image | ( | int | fd, | |
int | len | |||
) | [static] |
Definition at line 50 of file format_jpeg.c.
References AST_FORMAT_JPEG, AST_FRAME_IMAGE, ast_frisolate(), ast_log(), errno, and LOG_WARNING.
00051 { 00052 struct ast_frame fr; 00053 int res; 00054 char buf[65536]; 00055 if (len > sizeof(buf) || len < 0) { 00056 ast_log(LOG_WARNING, "JPEG image too large to read\n"); 00057 return NULL; 00058 } 00059 res = read(fd, buf, len); 00060 if (res < len) { 00061 ast_log(LOG_WARNING, "Only read %d of %d bytes: %s\n", res, len, strerror(errno)); 00062 } 00063 memset(&fr, 0, sizeof(fr)); 00064 fr.frametype = AST_FRAME_IMAGE; 00065 fr.subclass = AST_FORMAT_JPEG; 00066 fr.data = buf; 00067 fr.src = "JPEG Read"; 00068 fr.datalen = len; 00069 return ast_frisolate(&fr); 00070 }
static int jpeg_write_image | ( | int | fd, | |
struct ast_frame * | fr | |||
) | [static] |
Definition at line 84 of file format_jpeg.c.
References AST_FORMAT_JPEG, AST_FRAME_IMAGE, ast_log(), ast_frame::data, ast_frame::datalen, errno, ast_frame::frametype, LOG_WARNING, and ast_frame::subclass.
00085 { 00086 int res=0; 00087 if (fr->frametype != AST_FRAME_IMAGE) { 00088 ast_log(LOG_WARNING, "Not an image\n"); 00089 return -1; 00090 } 00091 if (fr->subclass != AST_FORMAT_JPEG) { 00092 ast_log(LOG_WARNING, "Not a jpeg image\n"); 00093 return -1; 00094 } 00095 if (fr->datalen) { 00096 res = write(fd, fr->data, fr->datalen); 00097 if (res != fr->datalen) { 00098 ast_log(LOG_WARNING, "Only wrote %d of %d bytes: %s\n", res, fr->datalen, strerror(errno)); 00099 return -1; 00100 } 00101 } 00102 return res; 00103 }
static int load_module | ( | void | ) | [static] |
Definition at line 115 of file format_jpeg.c.
References ast_image_register(), and jpeg_format.
00116 { 00117 return ast_image_register(&jpeg_format); 00118 }
static int unload_module | ( | void | ) | [static] |
Definition at line 120 of file format_jpeg.c.
References ast_image_unregister(), and jpeg_format.
00121 { 00122 ast_image_unregister(&jpeg_format); 00123 00124 return 0; 00125 }
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_FIRST | AST_MODFLAG_BUILDSUM, .description = "JPEG (Joint Picture Experts Group) Image Format" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = "361d7bb937402d51e4658efb5b4d76e4" , .load = load_module, .unload = unload_module, } [static] |
Definition at line 130 of file format_jpeg.c.
const struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 130 of file format_jpeg.c.
struct ast_imager jpeg_format [static] |