codec_alaw.c - translate between signed linear and alaw More...
#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/config.h"
#include "asterisk/translate.h"
#include "asterisk/alaw.h"
#include "asterisk/utils.h"
#include "asterisk/slin.h"
#include "ex_alaw.h"
Go to the source code of this file.
Defines | |
#define | BUFFER_SAMPLES 8096 |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static int | alawtolin_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
decode frame into lin and fill output buffer. | |
static int | lintoalaw_framein (struct ast_trans_pvt *pvt, struct ast_frame *f) |
convert and store input samples in output buffer | |
static int | load_module (void) |
static int | reload (void) |
standard module stuff | |
static int | unload_module (void) |
Variables | |
static struct ast_module_info __MODULE_INFO_SECTION | __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "A-law Coder/Decoder" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .reload = reload, } |
static struct ast_translator | alawtolin |
static struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_translator | lintoalaw |
codec_alaw.c - translate between signed linear and alaw
Definition in file codec_alaw.c.
#define BUFFER_SAMPLES 8096 |
Definition at line 36 of file codec_alaw.c.
static void __reg_module | ( | void | ) | [static] |
Definition at line 129 of file codec_alaw.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 129 of file codec_alaw.c.
static int alawtolin_framein | ( | struct ast_trans_pvt * | pvt, |
struct ast_frame * | f | ||
) | [static] |
decode frame into lin and fill output buffer.
Definition at line 43 of file codec_alaw.c.
References AST_ALAW, ast_frame::data, ast_trans_pvt::datalen, ast_trans_pvt::i16, ast_trans_pvt::outbuf, ast_frame::ptr, ast_trans_pvt::samples, and ast_frame::samples.
static int lintoalaw_framein | ( | struct ast_trans_pvt * | pvt, |
struct ast_frame * | f | ||
) | [static] |
convert and store input samples in output buffer
Definition at line 59 of file codec_alaw.c.
References AST_LIN2A, ast_trans_pvt::c, ast_frame::data, ast_trans_pvt::datalen, ast_trans_pvt::outbuf, ast_frame::ptr, ast_trans_pvt::samples, and ast_frame::samples.
static int load_module | ( | void | ) | [static] |
Definition at line 111 of file codec_alaw.c.
References AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, ast_register_translator, and ast_unregister_translator().
{ int res; res = ast_register_translator(&alawtolin); if (!res) res = ast_register_translator(&lintoalaw); else ast_unregister_translator(&alawtolin); if (res) return AST_MODULE_LOAD_FAILURE; return AST_MODULE_LOAD_SUCCESS; }
static int reload | ( | void | ) | [static] |
standard module stuff
Definition at line 96 of file codec_alaw.c.
References AST_MODULE_LOAD_SUCCESS.
{ return AST_MODULE_LOAD_SUCCESS; }
static int unload_module | ( | void | ) | [static] |
Definition at line 101 of file codec_alaw.c.
References ast_unregister_translator().
{ int res; res = ast_unregister_translator(&lintoalaw); res |= ast_unregister_translator(&alawtolin); return res; }
struct ast_module_info __MODULE_INFO_SECTION __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "A-law Coder/Decoder" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .reload = reload, } [static] |
Definition at line 129 of file codec_alaw.c.
struct ast_translator alawtolin [static] |
Definition at line 74 of file codec_alaw.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 129 of file codec_alaw.c.
struct ast_translator lintoalaw [static] |
Definition at line 84 of file codec_alaw.c.