#include "asterisk.h"
#include "asterisk/mod_format.h"
#include "asterisk/module.h"
#include "asterisk/endian.h"
Go to the source code of this file.
Data Structures | |
struct | g726_desc |
Defines | |
#define | BUF_SIZE (5*FRAME_TIME) |
#define | FRAME_TIME 10 |
#define | RATE_16 3 |
#define | RATE_24 2 |
#define | RATE_32 1 |
#define | RATE_40 0 |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static int | g726_16_open (struct ast_filestream *s) |
static int | g726_16_rewrite (struct ast_filestream *s, const char *comment) |
static int | g726_24_open (struct ast_filestream *s) |
static int | g726_24_rewrite (struct ast_filestream *s, const char *comment) |
static int | g726_32_open (struct ast_filestream *s) |
static int | g726_32_rewrite (struct ast_filestream *s, const char *comment) |
static int | g726_40_open (struct ast_filestream *s) |
static int | g726_40_rewrite (struct ast_filestream *s, const char *comment) |
static int | g726_open (struct ast_filestream *tmp, int rate) |
static struct ast_frame * | g726_read (struct ast_filestream *s, int *whennext) |
static int | g726_seek (struct ast_filestream *fs, off_t sample_offset, int whence) |
static off_t | g726_tell (struct ast_filestream *fs) |
static int | g726_trunc (struct ast_filestream *fs) |
static int | g726_write (struct ast_filestream *s, struct ast_frame *f) |
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_ORDER , .description = "Raw G.726 (16/24/32/40kbps) data" , .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 = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND } |
static struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_format | f [] |
static int | frame_size [4] |
File name extensions:
Definition in file format_g726.c.
#define BUF_SIZE (5*FRAME_TIME) |
Definition at line 47 of file format_g726.c.
#define FRAME_TIME 10 |
Definition at line 45 of file format_g726.c.
#define RATE_16 3 |
#define RATE_24 2 |
#define RATE_32 1 |
#define RATE_40 0 |
static void __reg_module | ( | void | ) | [static] |
Definition at line 265 of file format_g726.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 265 of file format_g726.c.
static int g726_16_open | ( | struct ast_filestream * | s | ) | [static] |
static int g726_16_rewrite | ( | struct ast_filestream * | s, | |
const char * | comment | |||
) | [static] |
static int g726_24_open | ( | struct ast_filestream * | s | ) | [static] |
static int g726_24_rewrite | ( | struct ast_filestream * | s, | |
const char * | comment | |||
) | [static] |
static int g726_32_open | ( | struct ast_filestream * | s | ) | [static] |
static int g726_32_rewrite | ( | struct ast_filestream * | s, | |
const char * | comment | |||
) | [static] |
static int g726_40_open | ( | struct ast_filestream * | s | ) | [static] |
static int g726_40_rewrite | ( | struct ast_filestream * | s, | |
const char * | comment | |||
) | [static] |
static int g726_open | ( | struct ast_filestream * | tmp, | |
int | rate | |||
) | [static] |
Definition at line 63 of file format_g726.c.
References ast_filestream::_private, ast_debug, and g726_desc::rate.
Referenced by g726_16_open(), g726_16_rewrite(), g726_24_open(), g726_24_rewrite(), g726_32_open(), g726_32_rewrite(), g726_40_open(), and g726_40_rewrite().
00064 { 00065 struct g726_desc *s = (struct g726_desc *)tmp->_private; 00066 s->rate = rate; 00067 ast_debug(1, "Created filestream G.726-%dk.\n", 40 - s->rate * 8); 00068 return 0; 00069 }
static struct ast_frame* g726_read | ( | struct ast_filestream * | s, | |
int * | whennext | |||
) | [static] |
Definition at line 115 of file format_g726.c.
References ast_filestream::_private, AST_FORMAT_G726, AST_FRAME_SET_BUFFER, AST_FRAME_VOICE, AST_FRIENDLY_OFFSET, ast_log(), ast_filestream::buf, ast_frame_subclass::codec, ast_frame::data, ast_frame::datalen, errno, ast_filestream::f, ast_filestream::fr, ast_frame::frametype, LOG_WARNING, ast_frame::mallocd, ast_frame::ptr, g726_desc::rate, ast_frame::samples, and ast_frame::subclass.
00116 { 00117 int res; 00118 struct g726_desc *fs = (struct g726_desc *)s->_private; 00119 00120 /* Send a frame from the file to the appropriate channel */ 00121 s->fr.frametype = AST_FRAME_VOICE; 00122 s->fr.subclass.codec = AST_FORMAT_G726; 00123 s->fr.mallocd = 0; 00124 AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, frame_size[fs->rate]); 00125 s->fr.samples = 8 * FRAME_TIME; 00126 if ((res = fread(s->fr.data.ptr, 1, s->fr.datalen, s->f)) != s->fr.datalen) { 00127 if (res) 00128 ast_log(LOG_WARNING, "Short read (%d) (%s)!\n", res, strerror(errno)); 00129 return NULL; 00130 } 00131 *whennext = s->fr.samples; 00132 return &s->fr; 00133 }
static int g726_seek | ( | struct ast_filestream * | fs, | |
off_t | sample_offset, | |||
int | whence | |||
) | [static] |
static off_t g726_tell | ( | struct ast_filestream * | fs | ) | [static] |
static int g726_trunc | ( | struct ast_filestream * | fs | ) | [static] |
static int g726_write | ( | struct ast_filestream * | s, | |
struct ast_frame * | f | |||
) | [static] |
Definition at line 135 of file format_g726.c.
References ast_filestream::_private, AST_FORMAT_G726, AST_FRAME_VOICE, ast_getformatname(), ast_log(), errno, ast_filestream::f, f, fwrite, LOG_WARNING, and g726_desc::rate.
00136 { 00137 int res; 00138 struct g726_desc *fs = (struct g726_desc *)s->_private; 00139 00140 if (f->frametype != AST_FRAME_VOICE) { 00141 ast_log(LOG_WARNING, "Asked to write non-voice frame!\n"); 00142 return -1; 00143 } 00144 if (f->subclass.codec != AST_FORMAT_G726) { 00145 ast_log(LOG_WARNING, "Asked to write non-G726 frame (%s)!\n", 00146 ast_getformatname(f->subclass.codec)); 00147 return -1; 00148 } 00149 if (f->datalen % frame_size[fs->rate]) { 00150 ast_log(LOG_WARNING, "Invalid data length %d, should be multiple of %d\n", 00151 f->datalen, frame_size[fs->rate]); 00152 return -1; 00153 } 00154 if ((res = fwrite(f->data.ptr, 1, f->datalen, s->f)) != f->datalen) { 00155 ast_log(LOG_WARNING, "Bad write (%d/%d): %s\n", 00156 res, frame_size[fs->rate], strerror(errno)); 00157 return -1; 00158 } 00159 return 0; 00160 }
static int load_module | ( | void | ) | [static] |
Definition at line 237 of file format_g726.c.
References ast_format_register, ast_log(), AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, f, ast_format::format, LOG_WARNING, and name.
00238 { 00239 int i; 00240 00241 for (i = 0; f[i].format ; i++) { 00242 if (ast_format_register(&f[i])) { /* errors are fatal */ 00243 ast_log(LOG_WARNING, "Failed to register format %s.\n", f[i].name); 00244 return AST_MODULE_LOAD_FAILURE; 00245 } 00246 } 00247 return AST_MODULE_LOAD_SUCCESS; 00248 }
static int unload_module | ( | void | ) | [static] |
Definition at line 250 of file format_g726.c.
References ast_format_unregister(), ast_log(), f, ast_format::format, LOG_WARNING, and name.
00251 { 00252 int i; 00253 00254 for (i = 0; f[i].format ; i++) { 00255 if (ast_format_unregister(f[i].name)) 00256 ast_log(LOG_WARNING, "Failed to unregister format %s.\n", f[i].name); 00257 } 00258 return(0); 00259 }
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "Raw G.726 (16/24/32/40kbps) data" , .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 = "8586c2a7d357cb591cc3a6607a8f62d1" , .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_APP_DEPEND } [static] |
Definition at line 265 of file format_g726.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 265 of file format_g726.c.
struct ast_format f[] [static] |
Definition at line 177 of file format_g726.c.
Referenced by __adsi_transmit_messages(), __analog_handle_event(), __analog_ss_thread(), __ast_format_register(), __ast_play_and_record(), __ast_queue_frame(), __ast_read(), __ast_request_and_dial(), __ast_smoother_feed(), __attempt_transmit(), __auto_congest(), __dahdi_exception(), __oh323_update_info(), __send_command(), action_atxfer(), action_dahdidialoffhook(), adpcm_sample(), adpcmtolin_framein(), agent_ack_sleep(), agent_read(), agent_write(), alaw_sample(), alawtolin_framein(), alawtoulaw_framein(), alloc_profile(), alsa_call(), alsa_read(), alsa_write(), analog_exception(), analog_handle_dtmf(), analog_handles_digit(), analog_ss_thread(), app_exec(), ast_autoservice_stop(), ast_bridge_call(), ast_channel_destructor(), ast_closestream(), ast_codec_get_samples(), ast_config_text_file_save(), ast_dsp_noise(), ast_dsp_silence(), ast_el_read_history(), ast_filehelper(), ast_format_str_reduce(), ast_frame_adjust_volume(), ast_frame_dump(), ast_frame_header_new(), ast_frdup(), ast_generic_bridge(), ast_jb_destroy(), ast_jb_put(), ast_queue_control(), ast_queue_control_data(), ast_queue_hangup(), ast_queue_hangup_with_cause(), ast_read_generator_actions(), ast_read_image(), ast_readfile(), ast_recvtext(), ast_rtcp_read(), ast_rtp_read(), ast_rtp_write(), ast_safe_sleep_conditional(), ast_send_image(), ast_slinfactory_destroy(), ast_slinfactory_feed(), ast_tonepair(), ast_trans_frameout(), ast_translate(), ast_udptl_bridge(), ast_udptl_write(), ast_ulaw_init(), ast_waitfordigit_full(), ast_write(), ast_writefile(), ast_writestream(), async_wait(), autoservice_run(), bridge_write(), cache_cmp(), calc_cost(), calc_timestamp(), channel_spy(), check_goto_on_transfer(), cli_console_dial(), cli_console_sendtext(), close_logger(), compile_script(), conf_flush(), conf_queue_dtmf(), conf_run(), config_text_file_load(), console_dial(), console_do_answer(), console_flash(), console_sendtext(), console_write(), create_video_frame(), dahdi_accept_r2_call_exec(), dahdi_bridge(), dahdi_decoder_framein(), dahdi_encoder_framein(), dahdi_exception(), dahdi_handle_dtmf(), dahdi_handle_event(), dahdi_queue_frame(), dahdi_read(), decode_frame(), decrypt_frame(), dictate_exec(), disa_exec(), do_idle_thread(), do_waiting(), echo_exec(), eivr_comm(), execif_exec(), fakesrc_sample(), feature_request_and_dial(), filestream_destructor(), find_cache(), fn_wrapper(), frame_cache_cleanup(), framein(), free_numbers(), function_realtime_store(), g719write(), g722_sample(), g722tolin_framein(), g723_write(), g726_sample(), g726_write(), g726aal2tolin_framein(), g726tolin_framein(), g729_write(), gen_generate(), gen_readframe(), generic_fax_exec(), get_bit_raw(), gsm_sample(), gsm_write(), gsmtolin_framein(), gtalk_handle_dtmf(), gtalk_rtp_read(), h261_encap(), h263_encap(), h263_write(), h263p_encap(), h264_encap(), h264_write(), handle_cli_core_show_file_formats(), handle_cli_file_convert(), handle_jack_audio(), handle_keypad_button_message(), handle_recordfile(), handle_request(), handle_request_info(), http_post_callback(), iax2_bridge(), iax2_queue_frame(), iax2_send(), iax2_trunk_queue(), iax2_write(), iax_frame_wrap(), iax_outputframe(), iax_park_thread(), iax_showframe(), ices_exec(), ilbc_sample(), ilbc_write(), ilbctolin_framein(), init_profile(), isAnsweringMachine(), jack_exec(), jb_empty_and_reset_adaptive(), jb_empty_and_reset_fixed(), jb_get_and_deliver(), jingle_handle_dtmf(), jingle_rtp_read(), key_history(), keypad_digit(), launch_asyncagi(), linear_generator(), lintoadpcm_framein(), lintoadpcm_frameout(), lintoalaw_framein(), lintog722_framein(), lintog726_framein(), lintog726aal2_framein(), lintogsm_framein(), lintoilbc_framein(), lintolpc10_framein(), lintospeex_framein(), lintoulaw(), lintoulaw_framein(), load_file(), load_module(), load_pktccops_config(), local_digit_begin(), local_digit_end(), local_hangup(), local_indicate(), local_queue_frame(), local_sendhtml(), local_sendtext(), local_write(), lpc10_sample(), lpc10tolin_framein(), lua_read_extensions_file(), main(), manage_parkinglot(), masq_park_call(), measurenoise(), mgcp_queue_control(), mgcp_queue_frame(), mgcp_read(), mgcp_rtp_read(), misdn_bridge(), misdn_lib_nt_debug_init(), moh_files_generator(), moh_files_readframe(), mp3_exec(), mpeg4_encap(), multicast_rtp_write(), my_handle_dtmf(), NBScat_exec(), ogg_vorbis_write(), oh323_rtp_read(), oh323_simulate_dtmf_end(), op_func(), oss_call(), oss_read(), oss_write(), parse(), pcm_write(), pitch_shift(), pitchshift_cb(), pri_queue_control(), process_ast_dsp(), process_dtmf_cisco(), process_dtmf_rfc2833(), profile_set_param(), queue_dtmf_readq(), queue_signalling(), queue_voice_frame(), readdirqueue(), receive_digit(), receive_dtmf_digits(), receive_message(), record_exec(), recordthread(), reload_followme(), reload_logger(), remove_from_queue(), resample_frame(), resend_with_token(), rpt(), rpt_exec(), run_agi(), safe_append(), scan_service(), send_apathetic_reply(), send_packet(), send_tone_burst(), send_waveform_to_channel(), sendurl_exec(), session_destroy(), show_history(), sig_pri_handle_hold(), sip_rtp_read(), siren14write(), siren7write(), skinny_rtp_read(), slin16_sample(), slin16_to_slin8_framein(), slin8_sample(), slin8_to_slin16_framein(), slinear_write(), smoother_frame_feed(), sms_generate(), sms_handleincoming_proto2(), sms_hexdump(), socket_process(), socket_process_meta(), spandsp_fax_read(), spandsp_fax_write(), speech_background(), speex16_sample(), speex_sample(), speextolin_framein(), spy_generate(), store_rxctcssadj(), store_rxgain(), store_rxvoiceadj(), stream_monitor(), strip_quotes(), t38_tx_packet_handler(), testclient_exec(), testserver_exec(), transmit_trunk(), try_load_key(), udptlread(), ulaw_sample(), ulawtoalaw_framein(), ulawtolin_framein(), unistim_do_senddigit(), unistim_rtp_read(), unistim_senddigit_end(), unload_module(), update_packet(), usbradio_read(), usbradio_write(), vnak_retransmit(), vox_write(), wait_for_answer(), wait_for_hangup(), wait_for_winner(), waitforring_exec(), wav_write(), write_history(), and writefile().
int frame_size[4] [static] |
Definition at line 49 of file format_g726.c.
Referenced by local_attended_transfer(), and masquerade_colp_transfer().