#include "asterisk.h"
#include <ctype.h>
#include <math.h>
#include <sys/ioctl.h>
#include <soundcard.h>
#include "asterisk/channel.h"
#include "asterisk/file.h"
#include "asterisk/callerid.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/cli.h"
#include "asterisk/causes.h"
#include "asterisk/musiconhold.h"
#include "asterisk/app.h"
#include "console_video.h"
Go to the source code of this file.
Data Structures | |
struct | chan_oss_pvt |
descriptor for one of our channels. More... | |
Defines | |
#define | BOOST_MAX 40 |
#define | BOOST_SCALE (1<<9) |
#define | DEV_DSP "/dev/dsp" |
#define | FRAGS ( ( (6 * 5) << 16 ) | 0x6 ) |
#define | FRAME_SIZE 160 |
#define | MAX(a, b) ((a) > (b) ? (a) : (b)) |
#define | MIN(a, b) ((a) < (b) ? (a) : (b)) |
#define | O_CLOSE 0x444 |
#define | QUEUE_SIZE 10 |
#define | TEXT_SIZE 256 |
#define | WARN_frag 4 |
#define | WARN_speed 2 |
#define | WARN_used_blocks 1 |
Functions | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static char * | ast_ext_ctx (const char *src, char **ext, char **ctx) |
static char * | console_active (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | console_answer (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
answer command from the console | |
static char * | console_autoanswer (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | console_boost (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | console_cmd (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | console_dial (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | console_do_answer (int fd) |
helper function for the answer key/cli command | |
static char * | console_flash (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | console_hangup (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | console_mute (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | console_sendtext (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
Console send text CLI command. | |
static char * | console_transfer (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static struct chan_oss_pvt * | find_desc (char *dev) |
returns a pointer to the descriptor with the given name | |
video_desc * | get_video_desc (struct ast_channel *c) |
return the pointer to the video descriptor | |
static int | load_module (void) |
static int | oss_answer (struct ast_channel *c) |
remote side answered the phone | |
static int | oss_call (struct ast_channel *c, char *dest, int timeout) |
handler for incoming calls. Either autoanswer, or start ringing | |
static int | oss_digit_begin (struct ast_channel *c, char digit) |
static int | oss_digit_end (struct ast_channel *c, char digit, unsigned int duration) |
static int | oss_fixup (struct ast_channel *oldchan, struct ast_channel *newchan) |
static int | oss_hangup (struct ast_channel *c) |
static int | oss_indicate (struct ast_channel *chan, int cond, const void *data, size_t datalen) |
static struct ast_channel * | oss_new (struct chan_oss_pvt *o, char *ext, char *ctx, int state) |
allocate a new channel. | |
static struct ast_frame * | oss_read (struct ast_channel *chan) |
static struct ast_channel * | oss_request (const char *type, int format, void *data, int *cause) |
static int | oss_text (struct ast_channel *c, const char *text) |
static int | oss_write (struct ast_channel *c, struct ast_frame *f) |
used for data coming from the network | |
static int | setformat (struct chan_oss_pvt *o, int mode) |
static int | soundcard_writeframe (struct chan_oss_pvt *o, short *data) |
static void | store_boost (struct chan_oss_pvt *o, const char *s) |
store the boost factor | |
static void | store_callerid (struct chan_oss_pvt *o, const char *s) |
static struct chan_oss_pvt * | store_config (struct ast_config *cfg, char *ctg) |
static void | store_config_core (struct chan_oss_pvt *o, const char *var, const char *value) |
static void | store_mixer (struct chan_oss_pvt *o, const char *s) |
static int | unload_module (void) |
static int | used_blocks (struct chan_oss_pvt *o) |
Returns the number of blocks used in the audio output channel. | |
Variables | |
static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "OSS Console Channel Driver" , .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 = "068e67f60f50dd9ee86464c05884a49d" , .load = load_module, .unload = unload_module, } |
static const struct ast_module_info * | ast_module_info = &__mod_info |
static struct ast_cli_entry | cli_oss [] |
static char * | config = "oss.conf" |
static struct ast_jb_conf | default_jbconf |
static struct ast_jb_conf | global_jbconf |
static char * | oss_active |
static int | oss_debug |
static struct chan_oss_pvt | oss_default |
static struct ast_channel_tech | oss_tech |
static char | tdesc [] = "OSS Console Channel Driver" |
Luigi Rizzo
Definition in file chan_oss.c.
#define BOOST_MAX 40 |
#define BOOST_SCALE (1<<9) |
boost support. BOOST_SCALE * 10 ^(BOOST_MAX/20) must be representable in 16 bits to avoid overflows.
Definition at line 278 of file chan_oss.c.
Referenced by console_boost(), oss_read(), store_boost(), and usbradio_read().
#define DEV_DSP "/dev/dsp" |
#define FRAGS ( ( (6 * 5) << 16 ) | 0x6 ) |
Definition at line 212 of file chan_oss.c.
#define FRAME_SIZE 160 |
Definition at line 206 of file chan_oss.c.
#define MAX | ( | a, | |||
b | ) | ((a) > (b) ? (a) : (b)) |
Definition at line 236 of file chan_oss.c.
#define MIN | ( | a, | |||
b | ) | ((a) < (b) ? (a) : (b)) |
Definition at line 233 of file chan_oss.c.
#define O_CLOSE 0x444 |
Definition at line 224 of file chan_oss.c.
Referenced by console_hangup(), oss_hangup(), setformat(), and usbradio_hangup().
#define QUEUE_SIZE 10 |
Definition at line 207 of file chan_oss.c.
#define TEXT_SIZE 256 |
Definition at line 219 of file chan_oss.c.
#define WARN_frag 4 |
#define WARN_speed 2 |
#define WARN_used_blocks 1 |
static void __reg_module | ( | void | ) | [static] |
Definition at line 1481 of file chan_oss.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 1481 of file chan_oss.c.
static char* ast_ext_ctx | ( | const char * | src, | |
char ** | ext, | |||
char ** | ctx | |||
) | [static] |
Definition at line 396 of file chan_oss.c.
References ast_strdup, find_desc(), and chan_oss_pvt::overridecontext.
00397 { 00398 struct chan_oss_pvt *o = find_desc(oss_active); 00399 00400 if (ext == NULL || ctx == NULL) 00401 return NULL; /* error */ 00402 00403 *ext = *ctx = NULL; 00404 00405 if (src && *src != '\0') 00406 *ext = ast_strdup(src); 00407 00408 if (*ext == NULL) 00409 return NULL; 00410 00411 if (!o->overridecontext) { 00412 /* parse from the right */ 00413 *ctx = strrchr(*ext, '@'); 00414 if (*ctx) 00415 *(*ctx)++ = '\0'; 00416 } 00417 00418 return *ext; 00419 }
static char* console_active | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1193 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_args::argv, ast_cli(), CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, find_desc(), chan_oss_pvt::name, chan_oss_pvt::next, oss_default, and ast_cli_entry::usage.
01194 { 01195 switch (cmd) { 01196 case CLI_INIT: 01197 e->command = "console active"; 01198 e->usage = 01199 "Usage: console active [device]\n" 01200 " If used without a parameter, displays which device is the current\n" 01201 " console. If a device is specified, the console sound device is changed to\n" 01202 " the device specified.\n"; 01203 return NULL; 01204 case CLI_GENERATE: 01205 return NULL; 01206 } 01207 01208 if (a->argc == 2) 01209 ast_cli(a->fd, "active console is [%s]\n", oss_active); 01210 else if (a->argc != 3) 01211 return CLI_SHOWUSAGE; 01212 else { 01213 struct chan_oss_pvt *o; 01214 if (strcmp(a->argv[2], "show") == 0) { 01215 for (o = oss_default.next; o; o = o->next) 01216 ast_cli(a->fd, "device [%s] exists\n", o->name); 01217 return CLI_SUCCESS; 01218 } 01219 o = find_desc(a->argv[2]); 01220 if (o == NULL) 01221 ast_cli(a->fd, "No device [%s] exists\n", a->argv[2]); 01222 else 01223 oss_active = o->name; 01224 } 01225 return CLI_SUCCESS; 01226 }
static char* console_answer | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
answer command from the console
Definition at line 965 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_entry::args, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, ast_cli_entry::command, console_do_answer(), ast_cli_args::fd, and ast_cli_entry::usage.
00966 { 00967 switch (cmd) { 00968 case CLI_INIT: 00969 e->command = "console answer"; 00970 e->usage = 00971 "Usage: console answer\n" 00972 " Answers an incoming call on the console (OSS) channel.\n"; 00973 return NULL; 00974 00975 case CLI_GENERATE: 00976 return NULL; /* no completion */ 00977 } 00978 if (a->argc != e->args) 00979 return CLI_SHOWUSAGE; 00980 return console_do_answer(a->fd); 00981 }
static char* console_autoanswer | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 909 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli_args::argv, ast_cli(), ast_log(), chan_oss_pvt::autoanswer, CLI_FAILURE, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, find_desc(), LOG_WARNING, and ast_cli_entry::usage.
00910 { 00911 struct chan_oss_pvt *o = find_desc(oss_active); 00912 00913 switch (cmd) { 00914 case CLI_INIT: 00915 e->command = "console autoanswer [on|off]"; 00916 e->usage = 00917 "Usage: console autoanswer [on|off]\n" 00918 " Enables or disables autoanswer feature. If used without\n" 00919 " argument, displays the current on/off status of autoanswer.\n" 00920 " The default value of autoanswer is in 'oss.conf'.\n"; 00921 return NULL; 00922 00923 case CLI_GENERATE: 00924 return NULL; 00925 } 00926 00927 if (a->argc == e->args - 1) { 00928 ast_cli(a->fd, "Auto answer is %s.\n", o->autoanswer ? "on" : "off"); 00929 return CLI_SUCCESS; 00930 } 00931 if (a->argc != e->args) 00932 return CLI_SHOWUSAGE; 00933 if (o == NULL) { 00934 ast_log(LOG_WARNING, "Cannot find device %s (should not happen!)\n", 00935 oss_active); 00936 return CLI_FAILURE; 00937 } 00938 if (!strcasecmp(a->argv[e->args-1], "on")) 00939 o->autoanswer = 1; 00940 else if (!strcasecmp(a->argv[e->args - 1], "off")) 00941 o->autoanswer = 0; 00942 else 00943 return CLI_SHOWUSAGE; 00944 return CLI_SUCCESS; 00945 }
static char* console_boost | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1250 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_args::argv, ast_cli(), chan_oss_pvt::boost, BOOST_SCALE, CLI_GENERATE, CLI_INIT, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, find_desc(), store_boost(), and ast_cli_entry::usage.
01251 { 01252 struct chan_oss_pvt *o = find_desc(oss_active); 01253 01254 switch (cmd) { 01255 case CLI_INIT: 01256 e->command = "console boost"; 01257 e->usage = 01258 "Usage: console boost [boost in dB]\n" 01259 " Sets or display mic boost in dB\n"; 01260 return NULL; 01261 case CLI_GENERATE: 01262 return NULL; 01263 } 01264 01265 if (a->argc == 2) 01266 ast_cli(a->fd, "boost currently %5.1f\n", 20 * log10(((double) o->boost / (double) BOOST_SCALE))); 01267 else if (a->argc == 3) 01268 store_boost(o, a->argv[2]); 01269 return CLI_SUCCESS; 01270 }
static char* console_cmd | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Generic console command handler. Basically a wrapper for a subset of config file options which are also available from the CLI
Definition at line 874 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli_args::argv, ast_cli(), ast_log(), CLI_FAILURE, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, console_video_cli(), CONSOLE_VIDEO_CMDS, ast_cli_args::fd, find_desc(), LOG_WARNING, store_config_core(), ast_cli_entry::usage, and var.
00875 { 00876 struct chan_oss_pvt *o = find_desc(oss_active); 00877 const char *var, *value; 00878 switch (cmd) { 00879 case CLI_INIT: 00880 e->command = CONSOLE_VIDEO_CMDS; 00881 e->usage = "Usage: " CONSOLE_VIDEO_CMDS "...\n" 00882 " Generic handler for console commands.\n"; 00883 return NULL; 00884 00885 case CLI_GENERATE: 00886 return NULL; 00887 } 00888 00889 if (a->argc < e->args) 00890 return CLI_SHOWUSAGE; 00891 if (o == NULL) { 00892 ast_log(LOG_WARNING, "Cannot find device %s (should not happen!)\n", 00893 oss_active); 00894 return CLI_FAILURE; 00895 } 00896 var = a->argv[e->args-1]; 00897 value = a->argc > e->args ? a->argv[e->args] : NULL; 00898 if (value) /* handle setting */ 00899 store_config_core(o, var, value); 00900 if (!console_video_cli(o->env, var, a->fd)) /* print video-related values */ 00901 return CLI_SUCCESS; 00902 /* handle other values */ 00903 if (!strcasecmp(var, "device")) { 00904 ast_cli(a->fd, "device is [%s]\n", o->device); 00905 } 00906 return CLI_SUCCESS; 00907 }
static char* console_dial | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1075 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli_args::argv, ast_cli(), ast_exists_extension(), ast_ext_ctx(), AST_FRAME_DTMF, ast_free, ast_queue_frame(), AST_STATE_RINGING, CLI_FAILURE, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, chan_oss_pvt::ctx, chan_oss_pvt::ext, f, ast_cli_args::fd, find_desc(), chan_oss_pvt::hookstate, oss_new(), chan_oss_pvt::owner, s, and ast_cli_entry::usage.
01076 { 01077 char *s = NULL, *mye = NULL, *myc = NULL; 01078 struct chan_oss_pvt *o = find_desc(oss_active); 01079 01080 if (cmd == CLI_INIT) { 01081 e->command = "console dial"; 01082 e->usage = 01083 "Usage: console dial [extension[@context]]\n" 01084 " Dials a given extension (and context if specified)\n"; 01085 return NULL; 01086 } else if (cmd == CLI_GENERATE) 01087 return NULL; 01088 01089 if (a->argc > e->args + 1) 01090 return CLI_SHOWUSAGE; 01091 if (o->owner) { /* already in a call */ 01092 int i; 01093 struct ast_frame f = { AST_FRAME_DTMF, 0 }; 01094 01095 if (a->argc == e->args) { /* argument is mandatory here */ 01096 ast_cli(a->fd, "Already in a call. You can only dial digits until you hangup.\n"); 01097 return CLI_FAILURE; 01098 } 01099 s = a->argv[e->args]; 01100 /* send the string one char at a time */ 01101 for (i = 0; i < strlen(s); i++) { 01102 f.subclass = s[i]; 01103 ast_queue_frame(o->owner, &f); 01104 } 01105 return CLI_SUCCESS; 01106 } 01107 /* if we have an argument split it into extension and context */ 01108 if (a->argc == e->args + 1) 01109 s = ast_ext_ctx(a->argv[e->args], &mye, &myc); 01110 /* supply default values if needed */ 01111 if (mye == NULL) 01112 mye = o->ext; 01113 if (myc == NULL) 01114 myc = o->ctx; 01115 if (ast_exists_extension(NULL, myc, mye, 1, NULL)) { 01116 o->hookstate = 1; 01117 oss_new(o, mye, myc, AST_STATE_RINGING); 01118 } else 01119 ast_cli(a->fd, "No such extension '%s' in context '%s'\n", mye, myc); 01120 if (s) 01121 ast_free(s); 01122 return CLI_SUCCESS; 01123 }
static char* console_do_answer | ( | int | fd | ) | [static] |
helper function for the answer key/cli command
Definition at line 948 of file chan_oss.c.
References ast_cli(), AST_CONTROL_ANSWER, AST_FRAME_CONTROL, ast_queue_frame(), CLI_FAILURE, CLI_SUCCESS, f, find_desc(), chan_oss_pvt::hookstate, and chan_oss_pvt::owner.
Referenced by console_answer().
00949 { 00950 struct ast_frame f = { AST_FRAME_CONTROL, AST_CONTROL_ANSWER }; 00951 struct chan_oss_pvt *o = find_desc(oss_active); 00952 if (!o->owner) { 00953 if (fd > -1) 00954 ast_cli(fd, "No one is calling us\n"); 00955 return CLI_FAILURE; 00956 } 00957 o->hookstate = 1; 00958 ast_queue_frame(o->owner, &f); 00959 return CLI_SUCCESS; 00960 }
static char* console_flash | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1049 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli(), AST_CONTROL_FLASH, AST_FRAME_CONTROL, ast_queue_frame(), CLI_FAILURE, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, f, ast_cli_args::fd, find_desc(), chan_oss_pvt::hookstate, chan_oss_pvt::owner, and ast_cli_entry::usage.
01050 { 01051 struct ast_frame f = { AST_FRAME_CONTROL, AST_CONTROL_FLASH }; 01052 struct chan_oss_pvt *o = find_desc(oss_active); 01053 01054 if (cmd == CLI_INIT) { 01055 e->command = "console flash"; 01056 e->usage = 01057 "Usage: console flash\n" 01058 " Flashes the call currently placed on the console.\n"; 01059 return NULL; 01060 } else if (cmd == CLI_GENERATE) 01061 return NULL; 01062 01063 if (a->argc != e->args) 01064 return CLI_SHOWUSAGE; 01065 if (!o->owner) { /* XXX maybe !o->hookstate too ? */ 01066 ast_cli(a->fd, "No call to flash\n"); 01067 return CLI_FAILURE; 01068 } 01069 o->hookstate = 0; 01070 if (o->owner) 01071 ast_queue_frame(o->owner, &f); 01072 return CLI_SUCCESS; 01073 }
static char* console_hangup | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1023 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli(), ast_queue_hangup(), CLI_FAILURE, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, find_desc(), chan_oss_pvt::hookstate, O_CLOSE, chan_oss_pvt::owner, setformat(), and ast_cli_entry::usage.
01024 { 01025 struct chan_oss_pvt *o = find_desc(oss_active); 01026 01027 if (cmd == CLI_INIT) { 01028 e->command = "console hangup"; 01029 e->usage = 01030 "Usage: console hangup\n" 01031 " Hangs up any call currently placed on the console.\n"; 01032 return NULL; 01033 } else if (cmd == CLI_GENERATE) 01034 return NULL; 01035 01036 if (a->argc != e->args) 01037 return CLI_SHOWUSAGE; 01038 if (!o->owner && !o->hookstate) { /* XXX maybe only one ? */ 01039 ast_cli(a->fd, "No call to hang up\n"); 01040 return CLI_FAILURE; 01041 } 01042 o->hookstate = 0; 01043 if (o->owner) 01044 ast_queue_hangup(o->owner); 01045 setformat(o, O_CLOSE); 01046 return CLI_SUCCESS; 01047 }
static char* console_mute | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1125 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli_args::argv, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, find_desc(), chan_oss_pvt::mute, s, and ast_cli_entry::usage.
01126 { 01127 struct chan_oss_pvt *o = find_desc(oss_active); 01128 char *s; 01129 01130 if (cmd == CLI_INIT) { 01131 e->command = "console {mute|unmute}"; 01132 e->usage = 01133 "Usage: console {mute|unmute}\n" 01134 " Mute/unmute the microphone.\n"; 01135 return NULL; 01136 } else if (cmd == CLI_GENERATE) 01137 return NULL; 01138 01139 if (a->argc != e->args) 01140 return CLI_SHOWUSAGE; 01141 s = a->argv[e->args-1]; 01142 if (!strcasecmp(s, "mute")) 01143 o->mute = 1; 01144 else if (!strcasecmp(s, "unmute")) 01145 o->mute = 0; 01146 else 01147 return CLI_SHOWUSAGE; 01148 return CLI_SUCCESS; 01149 }
static char* console_sendtext | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Console send text CLI command.
Definition at line 989 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli_args::argv, ast_cli(), AST_FRAME_TEXT, ast_join(), ast_queue_frame(), ast_strlen_zero(), buf, CLI_FAILURE, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, f, ast_cli_args::fd, find_desc(), chan_oss_pvt::owner, TEXT_SIZE, and ast_cli_entry::usage.
00990 { 00991 struct chan_oss_pvt *o = find_desc(oss_active); 00992 char buf[TEXT_SIZE]; 00993 00994 if (cmd == CLI_INIT) { 00995 e->command = "console send text"; 00996 e->usage = 00997 "Usage: console send text <message>\n" 00998 " Sends a text message for display on the remote terminal.\n"; 00999 return NULL; 01000 } else if (cmd == CLI_GENERATE) 01001 return NULL; 01002 01003 if (a->argc < e->args + 1) 01004 return CLI_SHOWUSAGE; 01005 if (!o->owner) { 01006 ast_cli(a->fd, "Not in a call\n"); 01007 return CLI_FAILURE; 01008 } 01009 ast_join(buf, sizeof(buf) - 1, a->argv + e->args); 01010 if (!ast_strlen_zero(buf)) { 01011 struct ast_frame f = { 0, }; 01012 int i = strlen(buf); 01013 buf[i] = '\n'; 01014 f.frametype = AST_FRAME_TEXT; 01015 f.subclass = 0; 01016 f.data = buf; 01017 f.datalen = i + 1; 01018 ast_queue_frame(o->owner, &f); 01019 } 01020 return CLI_SUCCESS; 01021 }
static char* console_transfer | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1151 of file chan_oss.c.
References ast_cli_args::argc, ast_cli_args::argv, ast_async_goto(), ast_bridged_channel(), ast_cli(), ast_exists_extension(), ast_ext_ctx(), ast_free, ast_channel::cid, ast_callerid::cid_num, CLI_FAILURE, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_channel::context, ext, ast_cli_args::fd, find_desc(), ast_channel::name, chan_oss_pvt::owner, and ast_cli_entry::usage.
01152 { 01153 struct chan_oss_pvt *o = find_desc(oss_active); 01154 struct ast_channel *b = NULL; 01155 char *tmp, *ext, *ctx; 01156 01157 switch (cmd) { 01158 case CLI_INIT: 01159 e->command = "console transfer"; 01160 e->usage = 01161 "Usage: console transfer <extension>[@context]\n" 01162 " Transfers the currently connected call to the given extension (and\n" 01163 " context if specified)\n"; 01164 return NULL; 01165 case CLI_GENERATE: 01166 return NULL; 01167 } 01168 01169 if (a->argc != 3) 01170 return CLI_SHOWUSAGE; 01171 if (o == NULL) 01172 return CLI_FAILURE; 01173 if (o->owner == NULL || (b = ast_bridged_channel(o->owner)) == NULL) { 01174 ast_cli(a->fd, "There is no call to transfer\n"); 01175 return CLI_SUCCESS; 01176 } 01177 01178 tmp = ast_ext_ctx(a->argv[2], &ext, &ctx); 01179 if (ctx == NULL) /* supply default context if needed */ 01180 ctx = o->owner->context; 01181 if (!ast_exists_extension(b, ctx, ext, 1, b->cid.cid_num)) 01182 ast_cli(a->fd, "No such extension exists\n"); 01183 else { 01184 ast_cli(a->fd, "Whee, transferring %s to %s@%s.\n", b->name, ext, ctx); 01185 if (ast_async_goto(b, ctx, ext, 1)) 01186 ast_cli(a->fd, "Failed to transfer :(\n"); 01187 } 01188 if (tmp) 01189 ast_free(tmp); 01190 return CLI_SUCCESS; 01191 }
static struct chan_oss_pvt * find_desc | ( | char * | dev | ) | [static] |
returns a pointer to the descriptor with the given name
forward declaration
Definition at line 370 of file chan_oss.c.
References ast_log(), LOG_WARNING, chan_oss_pvt::name, chan_oss_pvt::next, and oss_default.
Referenced by ast_ext_ctx(), console_active(), console_autoanswer(), console_boost(), console_cmd(), console_dial(), console_do_answer(), console_flash(), console_hangup(), console_mute(), console_sendtext(), console_transfer(), get_video_desc(), handle_cli_radio_key(), handle_cli_radio_set_debug(), handle_cli_radio_set_debug_deprecated(), handle_cli_radio_tune(), handle_cli_radio_unkey(), keypad_toggle(), load_module(), oss_request(), and usbradio_request().
00371 { 00372 struct chan_oss_pvt *o = NULL; 00373 00374 if (!dev) 00375 ast_log(LOG_WARNING, "null dev\n"); 00376 00377 for (o = oss_default.next; o && o->name && dev && strcmp(o->name, dev) != 0; o = o->next); 00378 00379 if (!o) 00380 ast_log(LOG_WARNING, "could not find <%s>\n", dev ? dev : "--no-device--"); 00381 00382 return o; 00383 }
struct video_desc* get_video_desc | ( | struct ast_channel * | c | ) |
return the pointer to the video descriptor
Definition at line 313 of file chan_oss.c.
References chan_oss_pvt::env, find_desc(), and ast_channel::tech_pvt.
Referenced by oss_new().
00314 { 00315 struct chan_oss_pvt *o = c ? c->tech_pvt : find_desc(oss_active); 00316 return o ? o->env : NULL; 00317 }
static int load_module | ( | void | ) | [static] |
Definition at line 1418 of file chan_oss.c.
References ast_category_browse(), ast_channel_register(), ast_cli_register_multiple(), ast_config_destroy(), ast_config_load, ast_log(), AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, ast_channel_tech::capabilities, cli_oss, console_video_formats, default_jbconf, find_desc(), global_jbconf, LOG_ERROR, LOG_NOTICE, oss_tech, and store_config().
01419 { 01420 struct ast_config *cfg = NULL; 01421 char *ctg = NULL; 01422 struct ast_flags config_flags = { 0 }; 01423 01424 /* Copy the default jb config over global_jbconf */ 01425 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); 01426 01427 /* load config file */ 01428 if (!(cfg = ast_config_load(config, config_flags))) { 01429 ast_log(LOG_NOTICE, "Unable to load config %s\n", config); 01430 return AST_MODULE_LOAD_DECLINE; 01431 } 01432 01433 do { 01434 store_config(cfg, ctg); 01435 } while ( (ctg = ast_category_browse(cfg, ctg)) != NULL); 01436 01437 ast_config_destroy(cfg); 01438 01439 if (find_desc(oss_active) == NULL) { 01440 ast_log(LOG_NOTICE, "Device %s not found\n", oss_active); 01441 /* XXX we could default to 'dsp' perhaps ? */ 01442 /* XXX should cleanup allocated memory etc. */ 01443 return AST_MODULE_LOAD_FAILURE; 01444 } 01445 01446 oss_tech.capabilities |= console_video_formats; 01447 01448 if (ast_channel_register(&oss_tech)) { 01449 ast_log(LOG_ERROR, "Unable to register channel type 'OSS'\n"); 01450 return AST_MODULE_LOAD_FAILURE; 01451 } 01452 01453 ast_cli_register_multiple(cli_oss, sizeof(cli_oss) / sizeof(struct ast_cli_entry)); 01454 01455 return AST_MODULE_LOAD_SUCCESS; 01456 }
static int oss_answer | ( | struct ast_channel * | c | ) | [static] |
remote side answered the phone
Definition at line 638 of file chan_oss.c.
References ast_setstate(), AST_STATE_UP, ast_verbose(), chan_oss_pvt::hookstate, and ast_channel::tech_pvt.
00639 { 00640 struct chan_oss_pvt *o = c->tech_pvt; 00641 ast_verbose(" << Console call has been answered >> \n"); 00642 ast_setstate(c, AST_STATE_UP); 00643 o->hookstate = 1; 00644 return 0; 00645 }
static int oss_call | ( | struct ast_channel * | c, | |
char * | dest, | |||
int | timeout | |||
) | [static] |
handler for incoming calls. Either autoanswer, or start ringing
Definition at line 597 of file chan_oss.c.
References AST_APP_ARG, AST_CONTROL_ANSWER, AST_CONTROL_RINGING, AST_DECLARE_APP_ARGS, AST_FRAME_CONTROL, ast_indicate(), AST_NONSTANDARD_APP_ARGS, ast_queue_frame(), ast_strdupa, ast_strlen_zero(), ast_verbose(), chan_oss_pvt::autoanswer, ast_channel::cid, ast_callerid::cid_dnid, ast_callerid::cid_name, ast_callerid::cid_num, ast_callerid::cid_rdnis, f, ast_frame::flags, chan_oss_pvt::hookstate, name, parse(), and ast_channel::tech_pvt.
00598 { 00599 struct chan_oss_pvt *o = c->tech_pvt; 00600 struct ast_frame f = { 0, }; 00601 AST_DECLARE_APP_ARGS(args, 00602 AST_APP_ARG(name); 00603 AST_APP_ARG(flags); 00604 ); 00605 char *parse = ast_strdupa(dest); 00606 00607 AST_NONSTANDARD_APP_ARGS(args, parse, '/'); 00608 00609 ast_verbose(" << Call to device '%s' dnid '%s' rdnis '%s' on console from '%s' <%s> >>\n", dest, c->cid.cid_dnid, c->cid.cid_rdnis, c->cid.cid_name, c->cid.cid_num); 00610 if (!ast_strlen_zero(args.flags) && strcasecmp(args.flags, "answer") == 0) { 00611 f.frametype = AST_FRAME_CONTROL; 00612 f.subclass = AST_CONTROL_ANSWER; 00613 ast_queue_frame(c, &f); 00614 } else if (!ast_strlen_zero(args.flags) && strcasecmp(args.flags, "noanswer") == 0) { 00615 f.frametype = AST_FRAME_CONTROL; 00616 f.subclass = AST_CONTROL_RINGING; 00617 ast_queue_frame(c, &f); 00618 ast_indicate(c, AST_CONTROL_RINGING); 00619 } else if (o->autoanswer) { 00620 ast_verbose(" << Auto-answered >> \n"); 00621 f.frametype = AST_FRAME_CONTROL; 00622 f.subclass = AST_CONTROL_ANSWER; 00623 ast_queue_frame(c, &f); 00624 o->hookstate = 1; 00625 } else { 00626 ast_verbose("<< Type 'answer' to answer, or use 'autoanswer' for future calls >> \n"); 00627 f.frametype = AST_FRAME_CONTROL; 00628 f.subclass = AST_CONTROL_RINGING; 00629 ast_queue_frame(c, &f); 00630 ast_indicate(c, AST_CONTROL_RINGING); 00631 } 00632 return 0; 00633 }
static int oss_digit_begin | ( | struct ast_channel * | c, | |
char | digit | |||
) | [static] |
static int oss_digit_end | ( | struct ast_channel * | c, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 579 of file chan_oss.c.
References ast_verbose().
00580 { 00581 /* no better use for received digits than print them */ 00582 ast_verbose(" << Console Received digit %c of duration %u ms >> \n", 00583 digit, duration); 00584 return 0; 00585 }
static int oss_fixup | ( | struct ast_channel * | oldchan, | |
struct ast_channel * | newchan | |||
) | [static] |
Definition at line 747 of file chan_oss.c.
References chan_oss_pvt::owner, and ast_channel::tech_pvt.
00748 { 00749 struct chan_oss_pvt *o = newchan->tech_pvt; 00750 o->owner = newchan; 00751 return 0; 00752 }
static int oss_hangup | ( | struct ast_channel * | c | ) | [static] |
Definition at line 647 of file chan_oss.c.
References ast_module_unref(), ast_verbose(), chan_oss_pvt::autoanswer, chan_oss_pvt::autohangup, console_video_uninit(), chan_oss_pvt::env, chan_oss_pvt::hookstate, O_CLOSE, chan_oss_pvt::owner, setformat(), and ast_channel::tech_pvt.
00648 { 00649 struct chan_oss_pvt *o = c->tech_pvt; 00650 00651 c->tech_pvt = NULL; 00652 o->owner = NULL; 00653 ast_verbose(" << Hangup on console >> \n"); 00654 console_video_uninit(o->env); 00655 ast_module_unref(ast_module_info->self); 00656 if (o->hookstate) { 00657 if (o->autoanswer || o->autohangup) { 00658 /* Assume auto-hangup too */ 00659 o->hookstate = 0; 00660 setformat(o, O_CLOSE); 00661 } 00662 } 00663 return 0; 00664 }
static int oss_indicate | ( | struct ast_channel * | chan, | |
int | cond, | |||
const void * | data, | |||
size_t | datalen | |||
) | [static] |
Definition at line 754 of file chan_oss.c.
References AST_CONTROL_BUSY, AST_CONTROL_CONGESTION, AST_CONTROL_HOLD, AST_CONTROL_PROCEEDING, AST_CONTROL_PROGRESS, AST_CONTROL_RINGING, AST_CONTROL_SRCUPDATE, AST_CONTROL_UNHOLD, AST_CONTROL_VIDUPDATE, ast_log(), ast_moh_start(), ast_moh_stop(), ast_verbose(), LOG_WARNING, chan_oss_pvt::mohinterpret, ast_channel::name, and ast_channel::tech_pvt.
00755 { 00756 struct chan_oss_pvt *o = c->tech_pvt; 00757 int res = 0; 00758 00759 switch (cond) { 00760 case AST_CONTROL_BUSY: 00761 case AST_CONTROL_CONGESTION: 00762 case AST_CONTROL_RINGING: 00763 case -1: 00764 res = -1; 00765 break; 00766 case AST_CONTROL_PROGRESS: 00767 case AST_CONTROL_PROCEEDING: 00768 case AST_CONTROL_VIDUPDATE: 00769 case AST_CONTROL_SRCUPDATE: 00770 break; 00771 case AST_CONTROL_HOLD: 00772 ast_verbose(" << Console Has Been Placed on Hold >> \n"); 00773 ast_moh_start(c, data, o->mohinterpret); 00774 break; 00775 case AST_CONTROL_UNHOLD: 00776 ast_verbose(" << Console Has Been Retrieved from Hold >> \n"); 00777 ast_moh_stop(c); 00778 break; 00779 default: 00780 ast_log(LOG_WARNING, "Don't know how to display condition %d on %s\n", cond, c->name); 00781 return -1; 00782 } 00783 00784 return res; 00785 }
static struct ast_channel* oss_new | ( | struct chan_oss_pvt * | o, | |
char * | ext, | |||
char * | ctx, | |||
int | state | |||
) | [static] |
allocate a new channel.
Definition at line 790 of file chan_oss.c.
References ast_channel_alloc, ast_channel_set_fd(), AST_FORMAT_SLINEAR, ast_hangup(), ast_jb_configure(), ast_log(), ast_module_ref(), ast_pbx_start(), AST_STATE_DOWN, AST_STATE_RINGING, ast_strdup, ast_string_field_set, ast_strlen_zero(), ast_channel::cid, ast_callerid::cid_ani, ast_callerid::cid_dnid, chan_oss_pvt::cid_name, chan_oss_pvt::cid_num, console_video_formats, console_video_start(), chan_oss_pvt::device, get_video_desc(), global_jbconf, language, chan_oss_pvt::language, LOG_WARNING, ast_channel::nativeformats, oss_tech, chan_oss_pvt::owner, ast_channel::readformat, setformat(), chan_oss_pvt::sounddev, ast_channel::tech, ast_channel::tech_pvt, and ast_channel::writeformat.
Referenced by console_dial(), and oss_request().
00791 { 00792 struct ast_channel *c; 00793 00794 c = ast_channel_alloc(1, state, o->cid_num, o->cid_name, "", ext, ctx, 0, "Console/%s", o->device + 5); 00795 if (c == NULL) 00796 return NULL; 00797 c->tech = &oss_tech; 00798 if (o->sounddev < 0) 00799 setformat(o, O_RDWR); 00800 ast_channel_set_fd(c, 0, o->sounddev); /* -1 if device closed, override later */ 00801 c->nativeformats = AST_FORMAT_SLINEAR; 00802 /* if the console makes the call, add video to the offer */ 00803 if (state == AST_STATE_RINGING) 00804 c->nativeformats |= console_video_formats; 00805 00806 c->readformat = AST_FORMAT_SLINEAR; 00807 c->writeformat = AST_FORMAT_SLINEAR; 00808 c->tech_pvt = o; 00809 00810 if (!ast_strlen_zero(o->language)) 00811 ast_string_field_set(c, language, o->language); 00812 /* Don't use ast_set_callerid() here because it will 00813 * generate a needless NewCallerID event */ 00814 c->cid.cid_ani = ast_strdup(o->cid_num); 00815 if (!ast_strlen_zero(ext)) 00816 c->cid.cid_dnid = ast_strdup(ext); 00817 00818 o->owner = c; 00819 ast_module_ref(ast_module_info->self); 00820 ast_jb_configure(c, &global_jbconf); 00821 if (state != AST_STATE_DOWN) { 00822 if (ast_pbx_start(c)) { 00823 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", c->name); 00824 ast_hangup(c); 00825 o->owner = c = NULL; 00826 } 00827 } 00828 console_video_start(get_video_desc(c), c); /* XXX cleanup */ 00829 00830 return c; 00831 }
static struct ast_frame * oss_read | ( | struct ast_channel * | chan | ) | [static] |
Definition at line 698 of file chan_oss.c.
References ast_channel::_state, AST_FORMAT_SLINEAR, AST_FRAME_NULL, AST_FRAME_VOICE, AST_FRIENDLY_OFFSET, AST_STATE_UP, chan_oss_pvt::boost, BOOST_SCALE, f, FRAME_SIZE, chan_oss_pvt::mute, chan_oss_pvt::oss_read_buf, oss_tech, chan_oss_pvt::read_f, chan_oss_pvt::readpos, chan_oss_pvt::sounddev, ast_channel::tech_pvt, and ast_channel_tech::type.
00699 { 00700 int res; 00701 struct chan_oss_pvt *o = c->tech_pvt; 00702 struct ast_frame *f = &o->read_f; 00703 00704 /* XXX can be simplified returning &ast_null_frame */ 00705 /* prepare a NULL frame in case we don't have enough data to return */ 00706 memset(f, '\0', sizeof(struct ast_frame)); 00707 f->frametype = AST_FRAME_NULL; 00708 f->src = oss_tech.type; 00709 00710 res = read(o->sounddev, o->oss_read_buf + o->readpos, sizeof(o->oss_read_buf) - o->readpos); 00711 if (res < 0) /* audio data not ready, return a NULL frame */ 00712 return f; 00713 00714 o->readpos += res; 00715 if (o->readpos < sizeof(o->oss_read_buf)) /* not enough samples */ 00716 return f; 00717 00718 if (o->mute) 00719 return f; 00720 00721 o->readpos = AST_FRIENDLY_OFFSET; /* reset read pointer for next frame */ 00722 if (c->_state != AST_STATE_UP) /* drop data if frame is not up */ 00723 return f; 00724 /* ok we can build and deliver the frame to the caller */ 00725 f->frametype = AST_FRAME_VOICE; 00726 f->subclass = AST_FORMAT_SLINEAR; 00727 f->samples = FRAME_SIZE; 00728 f->datalen = FRAME_SIZE * 2; 00729 f->data = o->oss_read_buf + AST_FRIENDLY_OFFSET; 00730 if (o->boost != BOOST_SCALE) { /* scale and clip values */ 00731 int i, x; 00732 int16_t *p = (int16_t *) f->data; 00733 for (i = 0; i < f->samples; i++) { 00734 x = (p[i] * o->boost) / BOOST_SCALE; 00735 if (x > 32767) 00736 x = 32767; 00737 else if (x < -32768) 00738 x = -32768; 00739 p[i] = x; 00740 } 00741 } 00742 00743 f->offset = AST_FRIENDLY_OFFSET; 00744 return f; 00745 }
static struct ast_channel * oss_request | ( | const char * | type, | |
int | format, | |||
void * | data, | |||
int * | cause | |||
) | [static] |
Definition at line 833 of file chan_oss.c.
References AST_APP_ARG, AST_CAUSE_BUSY, AST_DECLARE_APP_ARGS, AST_FORMAT_SLINEAR, ast_log(), AST_NONSTANDARD_APP_ARGS, AST_STATE_DOWN, ast_strdupa, find_desc(), LOG_NOTICE, LOG_WARNING, name, oss_new(), chan_oss_pvt::owner, and parse().
00834 { 00835 struct ast_channel *c; 00836 struct chan_oss_pvt *o; 00837 AST_DECLARE_APP_ARGS(args, 00838 AST_APP_ARG(name); 00839 AST_APP_ARG(flags); 00840 ); 00841 char *parse = ast_strdupa(data); 00842 00843 AST_NONSTANDARD_APP_ARGS(args, parse, '/'); 00844 o = find_desc(args.name); 00845 00846 ast_log(LOG_WARNING, "oss_request ty <%s> data 0x%p <%s>\n", type, data, (char *) data); 00847 if (o == NULL) { 00848 ast_log(LOG_NOTICE, "Device %s not found\n", args.name); 00849 /* XXX we could default to 'dsp' perhaps ? */ 00850 return NULL; 00851 } 00852 if ((format & AST_FORMAT_SLINEAR) == 0) { 00853 ast_log(LOG_NOTICE, "Format 0x%x unsupported\n", format); 00854 return NULL; 00855 } 00856 if (o->owner) { 00857 ast_log(LOG_NOTICE, "Already have a call (chan %p) on the OSS channel\n", o->owner); 00858 *cause = AST_CAUSE_BUSY; 00859 return NULL; 00860 } 00861 c = oss_new(o, NULL, NULL, AST_STATE_DOWN); 00862 if (c == NULL) { 00863 ast_log(LOG_WARNING, "Unable to create new OSS channel\n"); 00864 return NULL; 00865 } 00866 return c; 00867 }
static int oss_text | ( | struct ast_channel * | c, | |
const char * | text | |||
) | [static] |
Definition at line 587 of file chan_oss.c.
References ast_verbose().
00588 { 00589 /* print received messages */ 00590 ast_verbose(" << Console Received text %s >> \n", text); 00591 return 0; 00592 }
static int oss_write | ( | struct ast_channel * | chan, | |
struct ast_frame * | f | |||
) | [static] |
used for data coming from the network
Definition at line 667 of file chan_oss.c.
References f, chan_oss_pvt::oss_write_buf, chan_oss_pvt::oss_write_dst, soundcard_writeframe(), and ast_channel::tech_pvt.
00668 { 00669 int src; 00670 struct chan_oss_pvt *o = c->tech_pvt; 00671 00672 /* 00673 * we could receive a block which is not a multiple of our 00674 * FRAME_SIZE, so buffer it locally and write to the device 00675 * in FRAME_SIZE chunks. 00676 * Keep the residue stored for future use. 00677 */ 00678 src = 0; /* read position into f->data */ 00679 while (src < f->datalen) { 00680 /* Compute spare room in the buffer */ 00681 int l = sizeof(o->oss_write_buf) - o->oss_write_dst; 00682 00683 if (f->datalen - src >= l) { /* enough to fill a frame */ 00684 memcpy(o->oss_write_buf + o->oss_write_dst, f->data + src, l); 00685 soundcard_writeframe(o, (short *) o->oss_write_buf); 00686 src += l; 00687 o->oss_write_dst = 0; 00688 } else { /* copy residue */ 00689 l = f->datalen - src; 00690 memcpy(o->oss_write_buf + o->oss_write_dst, f->data + src, l); 00691 src += l; /* but really, we are done */ 00692 o->oss_write_dst += l; 00693 } 00694 } 00695 return 0; 00696 }
static int setformat | ( | struct chan_oss_pvt * | o, | |
int | mode | |||
) | [static] |
reset and close the device if opened, then open and initialize it in the desired mode, trigger reads and writes so we can start using it.
Definition at line 475 of file chan_oss.c.
References ast_channel_set_fd(), ast_log(), ast_tvdiff_ms(), ast_tvnow(), ast_verb, DEFAULT_SAMPLE_RATE, chan_oss_pvt::device, chan_oss_pvt::duplex, errno, chan_oss_pvt::frags, chan_oss_pvt::lastopen, LOG_WARNING, O_CLOSE, chan_oss_pvt::owner, chan_oss_pvt::sounddev, WARN_frag, WARN_speed, and chan_oss_pvt::warned.
Referenced by console_hangup(), oss_hangup(), oss_new(), soundcard_writeframe(), usbradio_hangup(), and usbradio_new().
00476 { 00477 int fmt, desired, res, fd; 00478 00479 if (o->sounddev >= 0) { 00480 ioctl(o->sounddev, SNDCTL_DSP_RESET, 0); 00481 close(o->sounddev); 00482 o->duplex = M_UNSET; 00483 o->sounddev = -1; 00484 } 00485 if (mode == O_CLOSE) /* we are done */ 00486 return 0; 00487 if (ast_tvdiff_ms(ast_tvnow(), o->lastopen) < 1000) 00488 return -1; /* don't open too often */ 00489 o->lastopen = ast_tvnow(); 00490 fd = o->sounddev = open(o->device, mode | O_NONBLOCK); 00491 if (fd < 0) { 00492 ast_log(LOG_WARNING, "Unable to re-open DSP device %s: %s\n", o->device, strerror(errno)); 00493 return -1; 00494 } 00495 if (o->owner) 00496 ast_channel_set_fd(o->owner, 0, fd); 00497 00498 #if __BYTE_ORDER == __LITTLE_ENDIAN 00499 fmt = AFMT_S16_LE; 00500 #else 00501 fmt = AFMT_S16_BE; 00502 #endif 00503 res = ioctl(fd, SNDCTL_DSP_SETFMT, &fmt); 00504 if (res < 0) { 00505 ast_log(LOG_WARNING, "Unable to set format to 16-bit signed\n"); 00506 return -1; 00507 } 00508 switch (mode) { 00509 case O_RDWR: 00510 res = ioctl(fd, SNDCTL_DSP_SETDUPLEX, 0); 00511 /* Check to see if duplex set (FreeBSD Bug) */ 00512 res = ioctl(fd, SNDCTL_DSP_GETCAPS, &fmt); 00513 if (res == 0 && (fmt & DSP_CAP_DUPLEX)) { 00514 ast_verb(2, "Console is full duplex\n"); 00515 o->duplex = M_FULL; 00516 }; 00517 break; 00518 00519 case O_WRONLY: 00520 o->duplex = M_WRITE; 00521 break; 00522 00523 case O_RDONLY: 00524 o->duplex = M_READ; 00525 break; 00526 } 00527 00528 fmt = 0; 00529 res = ioctl(fd, SNDCTL_DSP_STEREO, &fmt); 00530 if (res < 0) { 00531 ast_log(LOG_WARNING, "Failed to set audio device to mono\n"); 00532 return -1; 00533 } 00534 fmt = desired = DEFAULT_SAMPLE_RATE; /* 8000 Hz desired */ 00535 res = ioctl(fd, SNDCTL_DSP_SPEED, &fmt); 00536 00537 if (res < 0) { 00538 ast_log(LOG_WARNING, "Failed to set audio device to mono\n"); 00539 return -1; 00540 } 00541 if (fmt != desired) { 00542 if (!(o->warned & WARN_speed)) { 00543 ast_log(LOG_WARNING, 00544 "Requested %d Hz, got %d Hz -- sound may be choppy\n", 00545 desired, fmt); 00546 o->warned |= WARN_speed; 00547 } 00548 } 00549 /* 00550 * on Freebsd, SETFRAGMENT does not work very well on some cards. 00551 * Default to use 256 bytes, let the user override 00552 */ 00553 if (o->frags) { 00554 fmt = o->frags; 00555 res = ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &fmt); 00556 if (res < 0) { 00557 if (!(o->warned & WARN_frag)) { 00558 ast_log(LOG_WARNING, 00559 "Unable to set fragment size -- sound may be choppy\n"); 00560 o->warned |= WARN_frag; 00561 } 00562 } 00563 } 00564 /* on some cards, we need SNDCTL_DSP_SETTRIGGER to start outputting */ 00565 res = PCM_ENABLE_INPUT | PCM_ENABLE_OUTPUT; 00566 res = ioctl(fd, SNDCTL_DSP_SETTRIGGER, &res); 00567 /* it may fail if we are in half duplex, never mind */ 00568 return 0; 00569 }
static int soundcard_writeframe | ( | struct chan_oss_pvt * | o, | |
short * | data | |||
) | [static] |
Write an exactly FRAME_SIZE sized frame
Definition at line 446 of file chan_oss.c.
References ast_log(), FRAME_SIZE, LOG_WARNING, chan_oss_pvt::queuesize, setformat(), chan_oss_pvt::sounddev, used_blocks(), and chan_oss_pvt::w_errors.
Referenced by oss_write().
00447 { 00448 int res; 00449 00450 if (o->sounddev < 0) 00451 setformat(o, O_RDWR); 00452 if (o->sounddev < 0) 00453 return 0; /* not fatal */ 00454 /* 00455 * Nothing complex to manage the audio device queue. 00456 * If the buffer is full just drop the extra, otherwise write. 00457 * XXX in some cases it might be useful to write anyways after 00458 * a number of failures, to restart the output chain. 00459 */ 00460 res = used_blocks(o); 00461 if (res > o->queuesize) { /* no room to write a block */ 00462 if (o->w_errors++ == 0 && (oss_debug & 0x4)) 00463 ast_log(LOG_WARNING, "write: used %d blocks (%d)\n", res, o->w_errors); 00464 return 0; 00465 } 00466 o->w_errors = 0; 00467 return write(o->sounddev, (void *)data, FRAME_SIZE * 2); 00468 }
static void store_boost | ( | struct chan_oss_pvt * | o, | |
const char * | s | |||
) | [static] |
store the boost factor
Definition at line 1231 of file chan_oss.c.
References ast_log(), chan_oss_pvt::boost, BOOST_MAX, BOOST_SCALE, and LOG_WARNING.
Referenced by console_boost(), and store_config_core().
01232 { 01233 double boost = 0; 01234 if (sscanf(s, "%lf", &boost) != 1) { 01235 ast_log(LOG_WARNING, "invalid boost <%s>\n", s); 01236 return; 01237 } 01238 if (boost < -BOOST_MAX) { 01239 ast_log(LOG_WARNING, "boost %s too small, using %d\n", s, -BOOST_MAX); 01240 boost = -BOOST_MAX; 01241 } else if (boost > BOOST_MAX) { 01242 ast_log(LOG_WARNING, "boost %s too large, using %d\n", s, BOOST_MAX); 01243 boost = BOOST_MAX; 01244 } 01245 boost = exp(log(10) * boost / 20) * BOOST_SCALE; 01246 o->boost = boost; 01247 ast_log(LOG_WARNING, "setting boost %s to %d\n", s, o->boost); 01248 }
static void store_callerid | ( | struct chan_oss_pvt * | o, | |
const char * | s | |||
) | [static] |
store the callerid components
Definition at line 1310 of file chan_oss.c.
References ast_callerid_split(), chan_oss_pvt::cid_name, and chan_oss_pvt::cid_num.
01311 { 01312 ast_callerid_split(s, o->cid_name, sizeof(o->cid_name), o->cid_num, sizeof(o->cid_num)); 01313 }
static struct chan_oss_pvt* store_config | ( | struct ast_config * | cfg, | |
char * | ctg | |||
) | [static] |
grab fields from the config file, init the descriptor and open the device.
Definition at line 1346 of file chan_oss.c.
References asprintf, ast_calloc, ast_copy_string(), ast_log(), ast_strdup, ast_strlen_zero(), ast_tvnow(), ast_variable_browse(), DEV_DSP, chan_oss_pvt::device, errno, chan_oss_pvt::lastopen, LOG_WARNING, chan_oss_pvt::mixer_cmd, chan_oss_pvt::mohinterpret, ast_variable::name, chan_oss_pvt::name, ast_variable::next, oss_default, store_config_core(), and ast_variable::value.
Referenced by load_module().
01347 { 01348 struct ast_variable *v; 01349 struct chan_oss_pvt *o; 01350 01351 if (ctg == NULL) { 01352 o = &oss_default; 01353 ctg = "general"; 01354 } else { 01355 if (!(o = ast_calloc(1, sizeof(*o)))) 01356 return NULL; 01357 *o = oss_default; 01358 /* "general" is also the default thing */ 01359 if (strcmp(ctg, "general") == 0) { 01360 o->name = ast_strdup("dsp"); 01361 oss_active = o->name; 01362 goto openit; 01363 } 01364 o->name = ast_strdup(ctg); 01365 } 01366 01367 strcpy(o->mohinterpret, "default"); 01368 01369 o->lastopen = ast_tvnow(); /* don't leave it 0 or tvdiff may wrap */ 01370 /* fill other fields from configuration */ 01371 for (v = ast_variable_browse(cfg, ctg); v; v = v->next) { 01372 store_config_core(o, v->name, v->value); 01373 } 01374 if (ast_strlen_zero(o->device)) 01375 ast_copy_string(o->device, DEV_DSP, sizeof(o->device)); 01376 if (o->mixer_cmd) { 01377 char *cmd; 01378 01379 if (asprintf(&cmd, "mixer %s", o->mixer_cmd) < 0) { 01380 ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno)); 01381 } else { 01382 ast_log(LOG_WARNING, "running [%s]\n", cmd); 01383 if (system(cmd) < 0) { 01384 ast_log(LOG_WARNING, "system() failed: %s\n", strerror(errno)); 01385 } 01386 ast_free(cmd); 01387 } 01388 } 01389 if (o == &oss_default) /* we are done with the default */ 01390 return NULL; 01391 01392 openit: 01393 #ifdef TRYOPEN 01394 if (setformat(o, O_RDWR) < 0) { /* open device */ 01395 ast_verb(1, "Device %s not detected\n", ctg); 01396 ast_verb(1, "Turn off OSS support by adding " "'noload=chan_oss.so' in /etc/asterisk/modules.conf\n"); 01397 goto error; 01398 } 01399 if (o->duplex != M_FULL) 01400 ast_log(LOG_WARNING, "XXX I don't work right with non " "full-duplex sound cards XXX\n"); 01401 #endif /* TRYOPEN */ 01402 01403 /* link into list of devices */ 01404 if (o != &oss_default) { 01405 o->next = oss_default.next; 01406 oss_default.next = o; 01407 } 01408 return o; 01409 01410 #ifdef TRYOPEN 01411 error: 01412 if (o != &oss_default) 01413 ast_free(o); 01414 return NULL; 01415 #endif 01416 }
static void store_config_core | ( | struct chan_oss_pvt * | o, | |
const char * | var, | |||
const char * | value | |||
) | [static] |
Definition at line 1315 of file chan_oss.c.
References ast_jb_read_conf(), chan_oss_pvt::autoanswer, chan_oss_pvt::autohangup, console_video_config(), chan_oss_pvt::ctx, CV_BOOL, CV_END, CV_F, CV_START, CV_STR, CV_UINT, chan_oss_pvt::device, chan_oss_pvt::env, chan_oss_pvt::ext, chan_oss_pvt::frags, global_jbconf, chan_oss_pvt::language, chan_oss_pvt::mohinterpret, chan_oss_pvt::overridecontext, chan_oss_pvt::queuesize, store_boost(), store_callerid(), and store_mixer().
01316 { 01317 CV_START(var, value); 01318 01319 /* handle jb conf */ 01320 if (!ast_jb_read_conf(&global_jbconf, var, value)) 01321 return; 01322 01323 if (!console_video_config(&o->env, var, value)) 01324 return; /* matched there */ 01325 CV_BOOL("autoanswer", o->autoanswer); 01326 CV_BOOL("autohangup", o->autohangup); 01327 CV_BOOL("overridecontext", o->overridecontext); 01328 CV_STR("device", o->device); 01329 CV_UINT("frags", o->frags); 01330 CV_UINT("debug", oss_debug); 01331 CV_UINT("queuesize", o->queuesize); 01332 CV_STR("context", o->ctx); 01333 CV_STR("language", o->language); 01334 CV_STR("mohinterpret", o->mohinterpret); 01335 CV_STR("extension", o->ext); 01336 CV_F("mixer", store_mixer(o, value)); 01337 CV_F("callerid", store_callerid(o, value)) ; 01338 CV_F("boost", store_boost(o, value)); 01339 01340 CV_END; 01341 }
static void store_mixer | ( | struct chan_oss_pvt * | o, | |
const char * | s | |||
) | [static] |
store the mixer argument from the config file, filtering possibly invalid or dangerous values (the string is used as argument for system("mixer %s")
Definition at line 1291 of file chan_oss.c.
References ast_free, ast_log(), ast_strdup, LOG_WARNING, and chan_oss_pvt::mixer_cmd.
Referenced by store_config_core().
01292 { 01293 int i; 01294 01295 for (i = 0; i < strlen(s); i++) { 01296 if (!isalnum(s[i]) && strchr(" \t-/", s[i]) == NULL) { 01297 ast_log(LOG_WARNING, "Suspect char %c in mixer cmd, ignoring:\n\t%s\n", s[i], s); 01298 return; 01299 } 01300 } 01301 if (o->mixer_cmd) 01302 ast_free(o->mixer_cmd); 01303 o->mixer_cmd = ast_strdup(s); 01304 ast_log(LOG_WARNING, "setting mixer %s\n", s); 01305 }
static int unload_module | ( | void | ) | [static] |
Definition at line 1459 of file chan_oss.c.
References ast_channel_unregister(), ast_cli_unregister_multiple(), ast_free, ast_softhangup(), AST_SOFTHANGUP_APPUNLOAD, cli_oss, chan_oss_pvt::name, chan_oss_pvt::next, oss_default, oss_tech, chan_oss_pvt::owner, and chan_oss_pvt::sounddev.
01460 { 01461 struct chan_oss_pvt *o, *next; 01462 01463 ast_channel_unregister(&oss_tech); 01464 ast_cli_unregister_multiple(cli_oss, sizeof(cli_oss) / sizeof(struct ast_cli_entry)); 01465 01466 o = oss_default.next; 01467 while (o) { 01468 close(o->sounddev); 01469 if (o->owner) 01470 ast_softhangup(o->owner, AST_SOFTHANGUP_APPUNLOAD); 01471 if (o->owner) 01472 return -1; 01473 next = o->next; 01474 ast_free(o->name); 01475 ast_free(o); 01476 o = next; 01477 } 01478 return 0; 01479 }
static int used_blocks | ( | struct chan_oss_pvt * | o | ) | [static] |
Returns the number of blocks used in the audio output channel.
Definition at line 424 of file chan_oss.c.
References ast_log(), LOG_WARNING, chan_oss_pvt::sounddev, chan_oss_pvt::total_blocks, WARN_used_blocks, and chan_oss_pvt::warned.
Referenced by soundcard_writeframe().
00425 { 00426 struct audio_buf_info info; 00427 00428 if (ioctl(o->sounddev, SNDCTL_DSP_GETOSPACE, &info)) { 00429 if (!(o->warned & WARN_used_blocks)) { 00430 ast_log(LOG_WARNING, "Error reading output space\n"); 00431 o->warned |= WARN_used_blocks; 00432 } 00433 return 1; 00434 } 00435 00436 if (o->total_blocks == 0) { 00437 if (0) /* debugging */ 00438 ast_log(LOG_WARNING, "fragtotal %d size %d avail %d\n", info.fragstotal, info.fragsize, info.fragments); 00439 o->total_blocks = info.fragments; 00440 } 00441 00442 return o->total_blocks - info.fragments; 00443 }
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "OSS Console Channel Driver" , .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 = "068e67f60f50dd9ee86464c05884a49d" , .load = load_module, .unload = unload_module, } [static] |
Definition at line 1481 of file chan_oss.c.
const struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 1481 of file chan_oss.c.
struct ast_cli_entry cli_oss[] [static] |
char* config = "oss.conf" [static] |
Definition at line 239 of file chan_oss.c.
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled
Definition at line 69 of file chan_oss.c.
struct ast_jb_conf global_jbconf [static] |
Definition at line 76 of file chan_oss.c.
char* oss_active [static] |
int oss_debug [static] |
Definition at line 241 of file chan_oss.c.
struct chan_oss_pvt oss_default [static] |
Definition at line 318 of file chan_oss.c.
Referenced by console_active(), find_desc(), store_config(), and unload_module().
struct ast_channel_tech oss_tech [static] |
Definition at line 349 of file chan_oss.c.
Referenced by load_module(), oss_new(), oss_read(), and unload_module().
char tdesc[] = "OSS Console Channel Driver" [static] |
Definition at line 346 of file chan_oss.c.