/*
- * Copyright (C) 1998-2010 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1998-2013 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file fade.c A volume fader and alarm clock for OSS. */
#include <regex.h>
-#include <sys/types.h>
-#include <dirent.h>
-#include <sys/ioctl.h>
-#include <ctype.h>
-#include <stdlib.h> /* EXIT_SUCCESS */
-#include <unistd.h>
-#include <signal.h>
-#include <string.h>
-#include <limits.h>
-#include <sys/soundcard.h>
#include "fade.cmdline.h"
#include "para.h"
#include "fd.h"
#include "string.h"
+#include "mix.h"
#include "error.h"
+#include "ggo.h"
+#include "version.h"
INIT_FADE_ERRLISTS;
static struct fade_args_info conf;
-__printf_2_3 void para_log(__a_unused int ll, const char *fmt, ...)
+enum mixer_id {MIXER_ENUM};
+static char *mixer_name[] = {MIXER_NAMES};
+DECLARE_MIXER_INITS;
+static struct mixer supported_mixer[] = {MIXER_ARRAY};
+#define FOR_EACH_MIXER(i) for ((i) = 0; (i) < NUM_SUPPORTED_MIXERS; (i)++)
+
+static int loglevel;
+static __printf_2_3 void date_log(int ll, const char *fmt, ...)
{
va_list argp;
time_t t1;
struct tm *tm;
+ if (ll < loglevel)
+ return;
time(&t1);
tm = localtime(&t1);
printf("%d:%02d:%02d ", tm->tm_hour, tm->tm_min, tm->tm_sec);
vprintf(fmt, argp);
va_end(argp);
}
+__printf_2_3 void (*para_log)(int, const char*, ...) = date_log;
-/*
- * Open the mixer device.
- */
-static int open_mixer(void)
-{
- PARA_INFO_LOG("opening %s\n", conf.mixer_device_arg);
- return para_open(conf.mixer_device_arg, O_RDWR, 42);
-}
-
-/*
- * Get channel volume via mixer_fd.
- */
-static int get_mixer_channel(int mixer_fd)
-{
- int volume;
-
- if (ioctl(mixer_fd, MIXER_READ(conf.mixer_channel_arg), &volume) < 0)
- return -ERRNO_TO_PARA_ERROR(errno);
- /* take the mean value of left and right volume */
- return (volume % 256 + (volume >> 8)) / 2;
-}
-
-/*
- * Open mixer, get volume and close mixer.
- */
-static int open_and_get_mixer_channel(void)
-{
- int mixer_fd;
- int volume;
-
- mixer_fd = open_mixer();
- if (mixer_fd < 0)
- return mixer_fd;
- volume = get_mixer_channel(mixer_fd);
- close(mixer_fd);
- return volume;
-}
-
-/*
- * Set channel volume via mixer_fd.
- */
-static int set_mixer_channel(int mixer_fd, int volume)
-{
- int tmp = (volume << 8) + volume;
-
- if (ioctl(mixer_fd, MIXER_WRITE(conf.mixer_channel_arg), &tmp) < 0)
- return -ERRNO_TO_PARA_ERROR(errno);
- return 1;
-}
-
-/*
- * Open mixer, set volume and close mixer.
- */
-static int open_and_set_mixer_channel(int volume)
+/* Fade to new volume in fade_time seconds. */
+static int fade(struct mixer *m, struct mixer_handle *h, int new_vol, int fade_time)
{
- int mixer_fd, ret = open_mixer();
-
- if (ret < 0)
- return ret;
- mixer_fd = ret;
- ret = set_mixer_channel(mixer_fd, volume);
- close(mixer_fd);
- return ret;
-}
-
-static void fixup_mixer_channel_arg(void)
-{
- int val = SOUND_MIXER_VOLUME; /* STFU, gcc */
-
- switch (conf.mixer_channel_arg) {
- case mixer_channel_arg_volume: val = SOUND_MIXER_VOLUME; break;
- case mixer_channel_arg_bass: val = SOUND_MIXER_BASS; break;
- case mixer_channel_arg_treble: val = SOUND_MIXER_TREBLE; break;
- case mixer_channel_arg_synth: val = SOUND_MIXER_SYNTH; break;
- case mixer_channel_arg_pcm: val = SOUND_MIXER_PCM; break;
- case mixer_channel_arg_speaker: val = SOUND_MIXER_SPEAKER; break;
- case mixer_channel_arg_line: val = SOUND_MIXER_LINE; break;
- case mixer_channel_arg_mic: val = SOUND_MIXER_MIC; break;
- case mixer_channel_arg_cd: val = SOUND_MIXER_CD; break;
- case mixer_channel_arg_imix: val = SOUND_MIXER_IMIX; break;
- case mixer_channel_arg_altpcm: val = SOUND_MIXER_ALTPCM; break;
- case mixer_channel_arg_reclev: val = SOUND_MIXER_RECLEV; break;
- case mixer_channel_arg_igain: val = SOUND_MIXER_IGAIN; break;
- case mixer_channel_arg_ogain: val = SOUND_MIXER_OGAIN; break;
- }
- conf.mixer_channel_arg = val;
-}
-
-/*
- * Open mixer, get volume, fade to new_vol in secs seconds and
- * close mixer.
- */
-static int fade(int new_vol, int fade_time)
-{
- int vol, mixer_fd, diff, incr, ret;
+ int vol, diff, incr, ret;
unsigned secs;
struct timespec ts;
unsigned long long tmp, tmp2; /* Careful with that axe, Eugene! */
if (fade_time <= 0)
- return 1;
+ return m->set(h, new_vol);
secs = fade_time;
PARA_NOTICE_LOG("fading to %d in %d seconds\n", new_vol, secs);
- ret = open_mixer();
- if (ret < 0)
- return ret;
- mixer_fd = ret;
- ret = get_mixer_channel(mixer_fd);
+ ret = m->get(h);
if (ret < 0)
goto out;
vol = ret;
ts.tv_sec = tmp / 1000; /* really nec ?*/
//printf("ts.tv_sec: %i\n", ts.tv_nsec);
vol += incr;
- ret = set_mixer_channel(mixer_fd, vol);
+ ret = m->set(h, vol);
if (ret < 0)
goto out;
//printf("vol = %i\n", vol);
nanosleep(&ts, NULL);
}
out:
- close(mixer_fd);
return ret;
}
static void client_cmd(const char *cmd)
{
- int ret, fds[3] = {0, 0, 0};
+ int ret, status, fds[3] = {0, 0, 0};
pid_t pid;
char *cmdline = make_message(BINDIR "/para_client %s", cmd);
- PARA_INFO_LOG("%s\n", cmdline);
+ PARA_NOTICE_LOG("%s\n", cmdline);
ret = para_exec_cmdline_pid(&pid, cmdline, fds);
free(cmdline);
if (ret < 0) {
- PARA_EMERG_LOG("%s\n", para_strerror(-ret));
- exit(EXIT_FAILURE);
+ PARA_ERROR_LOG("%s\n", para_strerror(-ret));
+ goto fail;
}
do
- ret = wait(NULL);
- while (ret != -1 && errno != ECHILD);
+ pid = waitpid(pid, &status, 0);
+ while (pid == -1 && errno == EINTR);
+ if (pid < 0) {
+ PARA_ERROR_LOG("%s\n", strerror(errno));
+ goto fail;
+ }
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
+ goto fail;
+ return;
+fail:
+ PARA_EMERG_LOG("command \"%s\" failed\n", cmd);
+ exit(EXIT_FAILURE);
}
static void change_afs_mode_and_play(char *afs_mode)
client_cmd("stop");
if (!afs_mode)
return;
- cmd = make_message("select %s\n", afs_mode);
+ cmd = make_message("select %s", afs_mode);
client_cmd(cmd);
free(cmd);
client_cmd("play");
}
-/*
- * sleep
- */
-static int sweet_dreams(void)
+static int sweet_dreams(struct mixer *m, struct mixer_handle *h)
{
time_t t1, wake_time_epoch;
unsigned int delay;
sleep(1);
if (fot) {
PARA_INFO_LOG("initial volume: %d\n", iv);
- ret = open_and_set_mixer_channel(iv);
+ ret = m->set(h, iv);
if (ret < 0)
return ret;
change_afs_mode_and_play(fo_mood);
- ret = fade(fov, fot);
+ ret = fade(m, h, fov, fot);
if (ret < 0)
return ret;
} else {
- ret = open_and_set_mixer_channel(fov);
+ ret = m->set(h, fov);
if (ret < 0)
return ret;
}
sleep(delay);
}
change_afs_mode_and_play(fi_mood);
- ret = fade(fiv, fit);
+ ret = fade(m, h, fiv, fit);
PARA_INFO_LOG("fade complete, returning\n");
return ret;
}
-static int snooze(void)
+static int snooze(struct mixer *m, struct mixer_handle *h)
{
- int ret;
- unsigned sleep_time;
+ int ret, val;
if (conf.so_time_arg <= 0)
return 1;
- sleep_time = conf.so_time_arg;
- if (open_and_get_mixer_channel() < conf.so_vol_arg)
- ret = open_and_set_mixer_channel(conf.so_vol_arg);
+ ret = m->get(h);
+ if (ret < 0)
+ return ret;
+ val = ret;
+ if (val < conf.so_vol_arg)
+ ret = m->set(h, conf.so_vol_arg);
else
- ret = fade(conf.so_vol_arg, conf.so_time_arg);
+ ret = fade(m, h, conf.so_vol_arg, conf.so_time_arg);
if (ret < 0)
return ret;
client_cmd("pause");
PARA_NOTICE_LOG("%d seconds snooze time...\n", conf.snooze_time_arg);
- sleep(sleep_time);
+ sleep(conf.snooze_time_arg);
client_cmd("play");
- return fade(conf.si_vol_arg, conf.si_time_arg);
+ return fade(m, h, conf.si_vol_arg, conf.si_time_arg);
}
static int configfile_exists(void)
return file_exists(conf.config_file_arg);
}
+static void init_mixers(void)
+{
+ int i;
+
+ FOR_EACH_MIXER(i) {
+ struct mixer *m = &supported_mixer[i];
+ PARA_DEBUG_LOG("initializing mixer API #%d (%s)\n",
+ i, mixer_name[i]);
+ m->init(m);
+ }
+}
+
+static int set_channel(struct mixer *m, struct mixer_handle *h)
+{
+ char *channels;
+ int ret;
+
+ ret = m->set_channel(h, conf.mixer_channel_arg);
+ if (ret >= 0) {
+ PARA_NOTICE_LOG("using %s mixer channel\n",
+ conf.mixer_channel_arg? conf.mixer_channel_arg
+ : "default");
+ return ret;
+ }
+ channels = m->get_channels(h);
+ printf("Available channels: %s\n", channels);
+ free(channels);
+ return ret;
+}
+
+static struct mixer *get_mixer_or_die(void)
+{
+ int i;
+
+ if (!conf.mixer_api_given)
+ i = DEFAULT_MIXER;
+ else
+ FOR_EACH_MIXER(i)
+ if (!strcmp(mixer_name[i], conf.mixer_api_arg))
+ break;
+ if (i < NUM_SUPPORTED_MIXERS) {
+ PARA_NOTICE_LOG("using %s mixer API\n", mixer_name[i]);
+ return supported_mixer + i;
+ }
+ printf("available mixer APIs: ");
+ FOR_EACH_MIXER(i) {
+ int d = (i == DEFAULT_MIXER);
+ printf("%s%s%s ", d? "[" : "", mixer_name[i], d? "]" : "");
+ }
+ printf("\n");
+ exit(EXIT_FAILURE);
+}
+
+__noreturn static void print_help_and_die(void)
+{
+ struct ggo_help h = DEFINE_GGO_HELP(fade);
+ bool d = conf.detailed_help_given;
+
+ ggo_print_help(&h, d? GPH_STANDARD_FLAGS_DETAILED : GPH_STANDARD_FLAGS);
+ exit(0);
+}
+
int main(int argc, char *argv[])
{
int ret;
+ struct mixer *m;
+ struct mixer_handle *h = NULL;
- if (fade_cmdline_parser(argc, argv, &conf))
- exit(EXIT_FAILURE);
- HANDLE_VERSION_FLAG("fade", conf);
+ fade_cmdline_parser(argc, argv, &conf);
+ loglevel = get_loglevel_by_name(conf.loglevel_arg);
+ version_handle_flag("fade", conf.version_given);
+ if (conf.help_given || conf.detailed_help_given)
+ print_help_and_die();
ret = configfile_exists();
if (!ret && conf.config_file_given) {
PARA_EMERG_LOG("can not read config file %s\n",
};
fade_cmdline_parser_config_file(conf.config_file_arg,
&conf, ¶ms);
+ loglevel = get_loglevel_by_name(conf.loglevel_arg);
}
- fixup_mixer_channel_arg();
+ init_mixers();
+ m = get_mixer_or_die();
+ ret = m->open(conf.mixer_device_arg, &h);
+ if (ret < 0)
+ goto out;
+ ret = set_channel(m, h);
+ if (ret < 0)
+ goto out;
switch (conf.mode_arg) {
- case mode_arg_sleep:
- ret = sweet_dreams();
- break;
case mode_arg_fade:
- ret = fade(conf.fade_vol_arg, conf.fade_time_arg);
+ ret = fade(m, h, conf.fade_vol_arg, conf.fade_time_arg);
break;
case mode_arg_snooze:
- ret = snooze();
+ ret = snooze(m, h);
+ break;
+ default: /* sleep mode */
+ ret = sweet_dreams(m, h);
break;
}
+out:
+ m->close(&h);
if (ret < 0)
PARA_EMERG_LOG("%s\n", para_strerror(-ret));
return ret < 0? EXIT_FAILURE : EXIT_SUCCESS;
projects / paraslash.git / blobdiff