X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=fade.c;h=2a001ebacde964eb1f710413540cc23f2bc85699;hp=1bfa0ba1ee8e9ca862de62fef4104d6c3e9cd4a4;hb=121015ff5cdbe6af7b84f6245ebe62fe2a52a859;hpb=46af7dd81149caee0409535d5d9884ed9fa5af0e

diff --git a/fade.c b/fade.c
index 1bfa0ba1..2a001eba 100644
--- a/fade.c
+++ b/fade.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1998-2012 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1998 Andre Noll <maan@tuebingen.mpg.de>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -14,6 +14,7 @@
 #include "string.h"
 #include "mix.h"
 #include "error.h"
+#include "ggo.h"
 #include "version.h"
 
 INIT_FADE_ERRLISTS;
@@ -23,22 +24,34 @@ 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)++)
 
-__printf_2_3 void date_log(__a_unused int ll, const char *fmt, ...)
+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);
+	fprintf(stderr, "%d:%02d:%02d ", tm->tm_hour, tm->tm_min, tm->tm_sec);
 	va_start(argp, fmt);
 	vprintf(fmt, argp);
 	va_end(argp);
 }
 __printf_2_3 void (*para_log)(int, const char*, ...) = date_log;
 
+static int set_channel(struct mixer *m, struct mixer_handle *h, const char *channel)
+{
+
+	PARA_NOTICE_LOG("using %s mixer channel\n", channel?
+		channel : "default");
+	return m->set_channel(h, channel);
+}
+
 /* Fade to new volume in fade_time seconds. */
 static int fade(struct mixer *m, struct mixer_handle *h, int new_vol, int fade_time)
 {
@@ -48,13 +61,14 @@ static int fade(struct mixer *m, struct mixer_handle *h, int new_vol, int fade_t
 	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 = m->get(h);
 	if (ret < 0)
 		goto out;
 	vol = ret;
+	PARA_NOTICE_LOG("fading %s from %d to %d in %u seconds\n",
+		conf.mixer_channel_arg, vol, new_vol, secs);
 	diff = new_vol - vol;
 	if (!diff) {
 		sleep(secs);
@@ -85,7 +99,7 @@ static void client_cmd(const char *cmd)
 	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) {
@@ -107,7 +121,7 @@ fail:
 	exit(EXIT_FAILURE);
 }
 
-static void change_afs_mode_and_play(char *afs_mode)
+static void change_afs_mode(char *afs_mode)
 {
 	char *cmd;
 
@@ -117,7 +131,44 @@ static void change_afs_mode_and_play(char *afs_mode)
 	cmd = make_message("select %s", afs_mode);
 	client_cmd(cmd);
 	free(cmd);
-	client_cmd("play");
+}
+
+static int set_initial_volume(struct mixer *m, struct mixer_handle *h)
+{
+	int i, ret;
+
+	for (i = 0; i < conf.ivol_given; i++) {
+		char *p, *ch, *arg = para_strdup(conf.ivol_arg[i]);
+		int32_t iv;
+		p = strchr(arg, ':');
+		if (p) {
+			*p = '\0';
+			p++;
+			ch = arg;
+		} else {
+			p = arg;
+			ch = NULL;
+		}
+		ret = para_atoi32(p, &iv);
+		if (ret < 0) {
+			free(arg);
+			return ret;
+		}
+		ret = set_channel(m, h, ch);
+		if (!ch)
+			ch = "default";
+		if (ret < 0) {
+			PARA_WARNING_LOG("ignoring channel %s\n", ch);
+			ret = 0;
+		} else {
+			PARA_INFO_LOG("initial volume %s: %d\n", ch, iv);
+			ret = m->set(h, iv);
+		}
+		free(arg);
+		if (ret < 0)
+			return ret;
+	}
+	return 1;
 }
 
 static int sweet_dreams(struct mixer *m, struct mixer_handle *h)
@@ -133,7 +184,6 @@ static int sweet_dreams(struct mixer *m, struct mixer_handle *h)
 	int fot = conf.fo_time_arg;
 	int fiv = conf.fi_vol_arg;
 	int fov = conf.fo_vol_arg;
-	int iv = conf.ivol_arg;
 
 	/* calculate wake time */
 	time(&t1);
@@ -153,15 +203,18 @@ static int sweet_dreams(struct mixer *m, struct mixer_handle *h)
 		tm = localtime(&t1);
 	}
 	wake_time_epoch = mktime(tm);
-	PARA_INFO_LOG("waketime: %s", asctime(tm));
+	PARA_INFO_LOG("waketime: %d:%02d\n", tm->tm_hour, tm->tm_min);
 	client_cmd("stop");
 	sleep(1);
 	if (fot) {
-		PARA_INFO_LOG("initial volume: %d\n", iv);
-		ret = m->set(h, iv);
+		ret = set_initial_volume(m, h);
+		if (ret < 0)
+			return ret;
+		change_afs_mode(fo_mood);
+		client_cmd("play");
+		ret = set_channel(m, h, conf.mixer_channel_arg);
 		if (ret < 0)
 			return ret;
-		change_afs_mode_and_play(fo_mood);
 		ret = fade(m, h, fov, fot);
 		if (ret < 0)
 			return ret;
@@ -170,12 +223,14 @@ static int sweet_dreams(struct mixer *m, struct mixer_handle *h)
 		if (ret < 0)
 			return ret;
 	}
-	if (conf.sleep_mood_given)
-		change_afs_mode_and_play(sleep_mood);
-	else
+	if (conf.sleep_mood_given) {
+		change_afs_mode(sleep_mood);
+		client_cmd("play");
+	} else
 		client_cmd("stop");
 	if (!fit)
 		return 1;
+	change_afs_mode(fi_mood);
 	for (;;) {
 		time(&t1);
 		if (wake_time_epoch <= t1 + fit)
@@ -186,7 +241,7 @@ static int sweet_dreams(struct mixer *m, struct mixer_handle *h)
 			(delay % 3600) / 60);
 		sleep(delay);
 	}
-	change_afs_mode_and_play(fi_mood);
+	client_cmd("play");
 	ret = fade(m, h, fiv, fit);
 	PARA_INFO_LOG("fade complete, returning\n");
 	return ret;
@@ -233,7 +288,7 @@ static void init_mixers(void)
 {
 	int i;
 
-	for (i = 0; i < NUM_SUPPORTED_MIXERS; i++) {
+	FOR_EACH_MIXER(i) {
 		struct mixer *m = &supported_mixer[i];
 		PARA_DEBUG_LOG("initializing mixer API #%d (%s)\n",
 			i, mixer_name[i]);
@@ -241,33 +296,65 @@ static void init_mixers(void)
 	}
 }
 
-static int set_channel(struct mixer *m, struct mixer_handle *h)
+static int set_val(struct mixer *m, struct mixer_handle *h)
 {
-	char *channels;
-	int ret;
+	return m->set(h, conf.val_arg);
+}
 
-	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;
+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;
 	}
-	channels = m->get_channels(h);
-	printf("Available channels: %s\n", channels);
-	free(channels);
-	return ret;
+	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);
+}
+
+/**
+ * The main function of para_fade.
+ *
+ * The executable is linked with the alsa or the oss mixer API, or both. It has
+ * a custom log function which prefixes log messages with the current date.
+ *
+ * \param argc Argument counter.
+ * \param argv Argument vector.
+ *
+ * \return EXIT_SUCCESS or EXIT_FAILURE.
+ */
 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",
@@ -284,14 +371,19 @@ int main(int argc, char *argv[])
 		};
 		fade_cmdline_parser_config_file(conf.config_file_arg,
 			&conf, &params);
+		loglevel = get_loglevel_by_name(conf.loglevel_arg);
 	}
 	init_mixers();
-	m = &supported_mixer[DEFAULT_MIXER];
-	PARA_INFO_LOG("using %s mixer\n", mixer_name[DEFAULT_MIXER]);
+	m = get_mixer_or_die();
 	ret = m->open(conf.mixer_device_arg, &h);
 	if (ret < 0)
 		goto out;
-	ret = set_channel(m, h);
+	ret = set_channel(m, h, conf.mixer_channel_arg);
+	if (ret == -E_BAD_CHANNEL) {
+		char *channels = m->get_channels(h);
+		printf("Available channels: %s\n", channels);
+		free(channels);
+	}
 	if (ret < 0)
 		goto out;
 	switch (conf.mode_arg) {
@@ -301,6 +393,9 @@ int main(int argc, char *argv[])
 	case mode_arg_snooze:
 		ret = snooze(m, h);
 		break;
+	case mode_arg_set:
+		ret = set_val(m, h);
+		break;
 	default: /* sleep mode */
 		ret = sweet_dreams(m, h);
 		break;