2 * Copyright (C) 1998 Andre Noll <maan@tuebingen.mpg.de>
4 * Licensed under the GPL v2. For licencing details see COPYING.
7 /** \file fade.c A volume fader and alarm clock for OSS. */
11 #include "fade.cmdline.h"
21 static struct fade_args_info conf;
23 enum mixer_id {MIXER_ENUM};
24 static char *mixer_name[] = {MIXER_NAMES};
26 static struct mixer supported_mixer[] = {MIXER_ARRAY};
27 #define FOR_EACH_MIXER(i) for ((i) = 0; (i) < NUM_SUPPORTED_MIXERS; (i)++)
30 static __printf_2_3 void date_log(int ll, const char *fmt, ...)
40 fprintf(stderr, "%d:%02d:%02d ", tm->tm_hour, tm->tm_min, tm->tm_sec);
45 __printf_2_3 void (*para_log)(int, const char*, ...) = date_log;
47 static int set_channel(struct mixer *m, struct mixer_handle *h, const char *channel)
50 PARA_NOTICE_LOG("using %s mixer channel\n", channel?
52 return m->set_channel(h, channel);
55 /* Fade to new volume in fade_time seconds. */
56 static int fade(struct mixer *m, struct mixer_handle *h, int new_vol, int fade_time)
58 int vol, diff, incr, ret;
61 unsigned long long tmp, tmp2; /* Careful with that axe, Eugene! */
64 return m->set(h, new_vol);
70 PARA_NOTICE_LOG("fading %s from %d to %d in %d seconds\n",
71 conf.mixer_channel_arg, vol, new_vol, secs);
77 incr = diff > 0? 1: -1;
78 diff = diff > 0? diff: -diff;
79 tmp = secs * 1000 / diff;
81 while ((new_vol - vol) * incr > 0) {
82 ts.tv_nsec = tmp2 * 1000000; /* really nec ?*/
83 ts.tv_sec = tmp / 1000; /* really nec ?*/
84 //printf("ts.tv_sec: %i\n", ts.tv_nsec);
89 //printf("vol = %i\n", vol);
96 static void client_cmd(const char *cmd)
98 int ret, status, fds[3] = {0, 0, 0};
100 char *cmdline = make_message(BINDIR "/para_client %s", cmd);
102 PARA_NOTICE_LOG("%s\n", cmdline);
103 ret = para_exec_cmdline_pid(&pid, cmdline, fds);
106 PARA_ERROR_LOG("%s\n", para_strerror(-ret));
110 pid = waitpid(pid, &status, 0);
111 while (pid == -1 && errno == EINTR);
113 PARA_ERROR_LOG("%s\n", strerror(errno));
116 if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
120 PARA_EMERG_LOG("command \"%s\" failed\n", cmd);
124 static void change_afs_mode(char *afs_mode)
131 cmd = make_message("select %s", afs_mode);
136 static int set_initial_volume(struct mixer *m, struct mixer_handle *h)
140 for (i = 0; i < conf.ivol_given; i++) {
141 char *p, *ch, *arg = para_strdup(conf.ivol_arg[i]);
143 p = strchr(arg, ':');
152 ret = para_atoi32(p, &iv);
157 ret = set_channel(m, h, ch);
161 PARA_WARNING_LOG("ignoring channel %s\n", ch);
164 PARA_INFO_LOG("initial volume %s: %d\n", ch, iv);
174 static int sweet_dreams(struct mixer *m, struct mixer_handle *h)
176 time_t t1, wake_time_epoch;
179 int ret, min = conf.wake_min_arg;
180 char *fo_mood = conf.fo_mood_arg;
181 char *fi_mood = conf.fi_mood_arg;
182 char *sleep_mood = conf.sleep_mood_arg;
183 int fit = conf.fi_time_arg;
184 int fot = conf.fo_time_arg;
185 int fiv = conf.fi_vol_arg;
186 int fov = conf.fo_vol_arg;
188 /* calculate wake time */
190 if (conf.wake_hour_given) {
191 int hour = conf.wake_hour_arg;
193 if (tm->tm_hour > hour || (tm->tm_hour == hour && tm->tm_min> min)) {
194 t1 += 86400; /* wake time is tomorrow */
201 t1 += 9 * 60 * 60; /* nine hours from now */
202 PARA_INFO_LOG("default wake time: %lu\n", (long unsigned)t1);
205 wake_time_epoch = mktime(tm);
206 PARA_INFO_LOG("waketime: %u:%02u\n", tm->tm_hour, tm->tm_min);
210 ret = set_initial_volume(m, h);
213 change_afs_mode(fo_mood);
215 ret = set_channel(m, h, conf.mixer_channel_arg);
218 ret = fade(m, h, fov, fot);
222 ret = m->set(h, fov);
226 if (conf.sleep_mood_given) {
227 change_afs_mode(sleep_mood);
233 change_afs_mode(fi_mood);
236 if (wake_time_epoch <= t1 + fit)
238 delay = wake_time_epoch - t1 - fit;
239 PARA_INFO_LOG("sleeping %u seconds (%u:%02u)\n",
241 (delay % 3600) / 60);
245 ret = fade(m, h, fiv, fit);
246 PARA_INFO_LOG("fade complete, returning\n");
250 static int snooze(struct mixer *m, struct mixer_handle *h)
254 if (conf.so_time_arg <= 0)
260 if (val < conf.so_vol_arg)
261 ret = m->set(h, conf.so_vol_arg);
263 ret = fade(m, h, conf.so_vol_arg, conf.so_time_arg);
267 PARA_NOTICE_LOG("%d seconds snooze time...\n", conf.snooze_time_arg);
268 sleep(conf.snooze_time_arg);
270 return fade(m, h, conf.si_vol_arg, conf.si_time_arg);
273 static int configfile_exists(void)
275 static char *config_file;
277 if (!conf.config_file_given) {
278 char *home = para_homedir();
280 config_file = make_message("%s/.paraslash/fade.conf", home);
282 conf.config_file_arg = config_file;
284 return file_exists(conf.config_file_arg);
287 static void init_mixers(void)
292 struct mixer *m = &supported_mixer[i];
293 PARA_DEBUG_LOG("initializing mixer API #%d (%s)\n",
299 static int set_val(struct mixer *m, struct mixer_handle *h)
301 return m->set(h, conf.val_arg);
304 static struct mixer *get_mixer_or_die(void)
308 if (!conf.mixer_api_given)
312 if (!strcmp(mixer_name[i], conf.mixer_api_arg))
314 if (i < NUM_SUPPORTED_MIXERS) {
315 PARA_NOTICE_LOG("using %s mixer API\n", mixer_name[i]);
316 return supported_mixer + i;
318 printf("available mixer APIs: ");
320 int d = (i == DEFAULT_MIXER);
321 printf("%s%s%s ", d? "[" : "", mixer_name[i], d? "]" : "");
327 __noreturn static void print_help_and_die(void)
329 struct ggo_help h = DEFINE_GGO_HELP(fade);
330 bool d = conf.detailed_help_given;
332 ggo_print_help(&h, d? GPH_STANDARD_FLAGS_DETAILED : GPH_STANDARD_FLAGS);
336 int main(int argc, char *argv[])
340 struct mixer_handle *h = NULL;
342 fade_cmdline_parser(argc, argv, &conf);
343 loglevel = get_loglevel_by_name(conf.loglevel_arg);
344 version_handle_flag("fade", conf.version_given);
345 if (conf.help_given || conf.detailed_help_given)
346 print_help_and_die();
347 ret = configfile_exists();
348 if (!ret && conf.config_file_given) {
349 PARA_EMERG_LOG("can not read config file %s\n",
350 conf.config_file_arg);
354 struct fade_cmdline_parser_params params = {
358 .check_ambiguity = 0,
361 fade_cmdline_parser_config_file(conf.config_file_arg,
363 loglevel = get_loglevel_by_name(conf.loglevel_arg);
366 m = get_mixer_or_die();
367 ret = m->open(conf.mixer_device_arg, &h);
370 ret = set_channel(m, h, conf.mixer_channel_arg);
371 if (ret == -E_BAD_CHANNEL) {
372 char *channels = m->get_channels(h);
373 printf("Available channels: %s\n", channels);
378 switch (conf.mode_arg) {
380 ret = fade(m, h, conf.fade_vol_arg, conf.fade_time_arg);
382 case mode_arg_snooze:
388 default: /* sleep mode */
389 ret = sweet_dreams(m, h);
395 PARA_EMERG_LOG("%s\n", para_strerror(-ret));
396 return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;