Asterisk - The Open Source Telephony Project GIT-master-0bf3178
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ITU G.722.1 Annex C (Siren14, licensed from Polycom) format, 48kbps bitrate only. More...
#include "asterisk.h"
#include "asterisk/mod_format.h"
#include "asterisk/module.h"
#include "asterisk/endian.h"
#include "asterisk/format_cache.h"
Go to the source code of this file.
Macros | |
#define | BUF_SIZE 120 /* 20 milliseconds == 120 bytes, 640 samples */ |
#define | BYTES_TO_SAMPLES(x) ((typeof(x)) x * ((float) 640 / 120)) |
#define | SAMPLES_TO_BYTES(x) ((typeof(x)) x / ((float) 640 / 120)) |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
struct ast_module * | AST_MODULE_SELF_SYM (void) |
static int | load_module (void) |
static struct ast_frame * | siren14read (struct ast_filestream *s, int *whennext) |
static int | siren14seek (struct ast_filestream *fs, off_t sample_offset, int whence) |
static off_t | siren14tell (struct ast_filestream *fs) |
static int | siren14trunc (struct ast_filestream *fs) |
static int | siren14write (struct ast_filestream *fs, struct ast_frame *f) |
static int | unload_module (void) |
Variables | |
static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "ITU G.722.1 Annex C (Siren14, licensed from Polycom)" , .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 = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_CORE, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND } |
static const struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_format_def | siren14_f |
ITU G.722.1 Annex C (Siren14, licensed from Polycom) format, 48kbps bitrate only.
Definition in file format_siren14.c.
#define BUF_SIZE 120 /* 20 milliseconds == 120 bytes, 640 samples */ |
Definition at line 37 of file format_siren14.c.
#define BYTES_TO_SAMPLES | ( | x | ) | ((typeof(x)) x * ((float) 640 / 120)) |
Definition at line 39 of file format_siren14.c.
#define SAMPLES_TO_BYTES | ( | x | ) | ((typeof(x)) x / ((float) 640 / 120)) |
Definition at line 38 of file format_siren14.c.
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Definition at line 159 of file format_siren14.c.
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Definition at line 159 of file format_siren14.c.
struct ast_module * AST_MODULE_SELF_SYM | ( | void | ) |
Definition at line 159 of file format_siren14.c.
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Definition at line 140 of file format_siren14.c.
References ast_format_def_register, ast_format_siren14, AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, ast_format_def::format, and siren14_f.
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Definition at line 41 of file format_siren14.c.
References ast_format_get_name(), AST_FRAME_SET_BUFFER, AST_FRIENDLY_OFFSET, ast_log, ast_filestream::buf, BUF_SIZE, BYTES_TO_SAMPLES, ast_frame::data, ast_frame::datalen, errno, ast_filestream::f, ast_frame_subclass::format, ast_filestream::fr, LOG_WARNING, NULL, ast_frame::ptr, ast_frame::samples, and ast_frame::subclass.
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Definition at line 70 of file format_siren14.c.
References ast_log, AST_LOG_WARNING, errno, ast_filestream::f, max, min, ast_frame::offset, SAMPLES_TO_BYTES, and SEEK_FORCECUR.
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Definition at line 124 of file format_siren14.c.
References BYTES_TO_SAMPLES, and ast_filestream::f.
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Definition at line 107 of file format_siren14.c.
References ast_log, AST_LOG_WARNING, errno, and ast_filestream::f.
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Definition at line 59 of file format_siren14.c.
References ast_log, ast_frame::data, ast_frame::datalen, errno, ast_filestream::f, LOG_WARNING, and ast_frame::ptr.
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Definition at line 149 of file format_siren14.c.
References ast_format_def_unregister(), ast_format_def::name, and siren14_f.
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Definition at line 159 of file format_siren14.c.
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Definition at line 159 of file format_siren14.c.
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Definition at line 129 of file format_siren14.c.
Referenced by load_module(), and unload_module().