gui_objs := @gui_objs@
audiod_objs := @audiod_objs@
audioc_objs := @audioc_objs@
-fade_objs := @fade_objs@
+mixer_objs := @mixer_objs@
server_objs := @server_objs@
write_objs := @write_objs@
afh_objs := @afh_objs@
# sort removes duplicate words, which is all we need here
all_objs := $(sort $(recv_objs) $(filter_objs) $(client_objs) $(gui_objs) \
- $(audiod_objs) $(audioc_objs) $(fade_objs) $(server_objs) \
+ $(audiod_objs) $(audioc_objs) $(mixer_objs) $(server_objs) \
$(write_objs) $(afh_objs) $(play_objs))
deps := $(addprefix $(dep_dir)/, $(all_objs:.o=.d))
audiod_objs += $(addsuffix _cmd.lsg.o, recv filter audiod write) \
client.lsg.o audiod.lsg.o
client_objs += client.lsg.o
-fade_objs += fade.lsg.o
+mixer_objs += mixer.lsg.o
filter_objs += filter_cmd.lsg.o filter.lsg.o
gui_objs += gui.lsg.o
play_objs += $(addsuffix _cmd.lsg.o, recv filter play write) play.lsg.o
gui_objs := $(addprefix $(object_dir)/, $(gui_objs))
audiod_objs := $(addprefix $(object_dir)/, $(audiod_objs))
audioc_objs := $(addprefix $(object_dir)/, $(audioc_objs))
-fade_objs := $(addprefix $(object_dir)/, $(fade_objs))
+mixer_objs := $(addprefix $(object_dir)/, $(mixer_objs))
server_objs := $(addprefix $(object_dir)/, $(server_objs))
write_objs := $(addprefix $(object_dir)/, $(write_objs))
afh_objs := $(addprefix $(object_dir)/, $(afh_objs))
para_write \
para_play \
para_audiod \
-para_fade \
+para_mixer \
: LDFLAGS += \
$(oss_ldflags) \
$(alsa_ldflags)
para_audioc \
para_audiod \
para_client \
-para_fade \
+para_mixer \
para_filter \
para_gui \
para_play \
else
build_audiod="no"
fi
-########################################################################### fade
+########################################################################### mixer
if test $HAVE_OSS = yes -o $HAVE_ALSA = yes; then
- build_fade="yes"
- executables="$executables fade"
- fade_errlist_objs="fade exec string fd version"
+ build_mixer="yes"
+ executables="$executables mixer"
+ mixer_errlist_objs="mixer exec string fd version"
if test $HAVE_OSS = yes; then
- fade_errlist_objs="$fade_errlist_objs oss_mix"
+ mixer_errlist_objs="$mixer_errlist_objs oss_mix"
mixers="${mixers}oss "
default_mixer="OSS_MIX"
fi
if test $HAVE_ALSA = yes; then
- fade_errlist_objs="$fade_errlist_objs alsa_mix"
+ mixer_errlist_objs="$mixer_errlist_objs alsa_mix"
mixers="${mixers}alsa "
default_mixer="ALSA_MIX"
fi
- fade_objs="$fade_errlist_objs"
- AC_SUBST(fade_objs, add_dot_o($fade_objs))
+ mixer_objs="$mixer_errlist_objs"
+ AC_SUBST(mixer_objs, add_dot_o($mixer_objs))
enum="$(
for i in $mixers; do
printf "${i}_MIX, " | tr '[a-z]' '[A-Z]'
array="$(for i in $mixers; do printf '{.init = '$i'_mix_init},'; done)"
AC_DEFINE_UNQUOTED(MIXER_ARRAY, $array, array of supported mixers)
else
- build_fade="no"
+ build_mixer="no"
AC_MSG_WARN([no mixer support])
fi
########################################################################### gui
para_server: $build_server
para_gui: $build_gui
-para_fade: $build_fade
+para_mixer: $build_mixer
para_client: $build_client
para_audiod: $build_audiod
])
+++ /dev/null
-/*
- * Copyright (C) 1998 Andre Noll <maan@tuebingen.mpg.de>
- *
- * 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 <lopsub.h>
-
-#include "fade.lsg.h"
-#include "para.h"
-#include "fd.h"
-#include "string.h"
-#include "mix.h"
-#include "error.h"
-#include "version.h"
-
-/** Array of error strings. */
-DEFINE_PARA_ERRLIST;
-
-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 struct lls_parse_result *lpr;
-
-#define CMD_PTR (lls_cmd(0, fade_suite))
-#define OPT_RESULT(_name) (lls_opt_result(LSG_FADE_PARA_FADE_OPT_ ## _name, lpr))
-#define OPT_GIVEN(_name) (lls_opt_given(OPT_RESULT(_name)))
-#define OPT_STRING_VAL(_name) (lls_string_val(0, OPT_RESULT(_name)))
-#define OPT_UINT32_VAL(_name) (lls_uint32_val(0, OPT_RESULT(_name)))
-
-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);
- 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)
-{
- 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 m->set(h, new_vol);
- secs = fade_time;
- ret = m->get(h);
- if (ret < 0)
- goto out;
- vol = ret;
- PARA_NOTICE_LOG("fading %s from %d to %d in %u seconds\n",
- OPT_STRING_VAL(MIXER_CHANNEL), vol, new_vol, secs);
- diff = new_vol - vol;
- if (!diff) {
- sleep(secs);
- goto out;
- }
- incr = diff > 0? 1: -1;
- diff = diff > 0? diff: -diff;
- tmp = secs * 1000 / diff;
- tmp2 = tmp % 1000;
- while ((new_vol - vol) * incr > 0) {
- ts.tv_nsec = tmp2 * 1000000; /* really nec ?*/
- ts.tv_sec = tmp / 1000; /* really nec ?*/
- //printf("ts.tv_sec: %i\n", ts.tv_nsec);
- vol += incr;
- ret = m->set(h, vol);
- if (ret < 0)
- goto out;
- //printf("vol = %i\n", vol);
- nanosleep(&ts, NULL);
- }
-out:
- return ret;
-}
-
-static void client_cmd(const char *cmd)
-{
- int ret, status, fds[3] = {0, 0, 0};
- pid_t pid;
- char *cmdline = make_message(BINDIR "/para_client %s", cmd);
-
- PARA_NOTICE_LOG("%s\n", cmdline);
- ret = para_exec_cmdline_pid(&pid, cmdline, fds);
- free(cmdline);
- if (ret < 0) {
- PARA_ERROR_LOG("%s\n", para_strerror(-ret));
- goto fail;
- }
- do
- 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(const char *afs_mode)
-{
- char *cmd;
-
- client_cmd("stop");
- if (!afs_mode)
- return;
- cmd = make_message("select %s", afs_mode);
- client_cmd(cmd);
- free(cmd);
-}
-
-static int set_initial_volume(struct mixer *m, struct mixer_handle *h)
-{
- int i, ret;
-
- for (i = 0; i < OPT_GIVEN(IVOL); i++) {
- const char *val = lls_string_val(i, OPT_RESULT(IVOL));
- char *p, *ch, *arg = para_strdup(val);
- 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)
-{
- time_t t1, wake_time_epoch;
- unsigned int delay;
- struct tm *tm;
- int ret, min = OPT_UINT32_VAL(WAKE_MIN);
- const char *fo_mood = OPT_STRING_VAL(FO_MOOD);
- const char *fi_mood = OPT_STRING_VAL(FI_MOOD);
- const char *sleep_mood = OPT_STRING_VAL(SLEEP_MOOD);
- int fit = OPT_UINT32_VAL(FI_TIME);
- int fot = OPT_UINT32_VAL(FO_TIME);
- int fiv = OPT_UINT32_VAL(FI_VOL);
- int fov = OPT_UINT32_VAL(FO_VOL);
-
- /* calculate wake time */
- time(&t1);
- if (OPT_GIVEN(WAKE_HOUR)) {
- int hour = OPT_UINT32_VAL(WAKE_HOUR);
- tm = localtime(&t1);
- if (tm->tm_hour > hour || (tm->tm_hour == hour && tm->tm_min> min)) {
- t1 += 86400; /* wake time is tomorrow */
- tm = localtime(&t1);
- }
- tm->tm_hour = hour;
- tm->tm_min = min;
- tm->tm_sec = 0;
- } else {
- t1 += 9 * 60 * 60; /* nine hours from now */
- PARA_INFO_LOG("default wake time: %lu\n", (long unsigned)t1);
- tm = localtime(&t1);
- }
- wake_time_epoch = mktime(tm);
- PARA_INFO_LOG("waketime: %d:%02d\n", tm->tm_hour, tm->tm_min);
- client_cmd("stop");
- sleep(1);
- if (fot) {
- ret = set_initial_volume(m, h);
- if (ret < 0)
- return ret;
- change_afs_mode(fo_mood);
- client_cmd("play");
- ret = set_channel(m, h, OPT_STRING_VAL(MIXER_CHANNEL));
- if (ret < 0)
- return ret;
- ret = fade(m, h, fov, fot);
- if (ret < 0)
- return ret;
- } else {
- ret = m->set(h, fov);
- if (ret < 0)
- return ret;
- }
- if (OPT_GIVEN(SLEEP_MOOD)) {
- 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)
- break;
- delay = wake_time_epoch - t1 - fit;
- PARA_INFO_LOG("sleeping %u seconds (%u:%02u)\n",
- delay, delay / 3600,
- (delay % 3600) / 60);
- sleep(delay);
- }
- client_cmd("play");
- ret = fade(m, h, fiv, fit);
- PARA_INFO_LOG("fade complete, returning\n");
- return ret;
-}
-
-static int snooze(struct mixer *m, struct mixer_handle *h)
-{
- int ret, val;
-
- if (OPT_UINT32_VAL(SO_TIME) == 0)
- return 1;
- ret = m->get(h);
- if (ret < 0)
- return ret;
- val = ret;
- if (val < OPT_UINT32_VAL(SO_VOL))
- ret = m->set(h, OPT_UINT32_VAL(SO_VOL));
- else
- ret = fade(m, h, OPT_UINT32_VAL(SO_VOL),
- OPT_UINT32_VAL(SO_TIME));
- if (ret < 0)
- return ret;
- client_cmd("pause");
- PARA_NOTICE_LOG("%" PRIu32 " seconds snooze time...\n",
- OPT_UINT32_VAL(SNOOZE_TIME));
- sleep(OPT_UINT32_VAL(SNOOZE_TIME));
- client_cmd("play");
- return fade(m, h, OPT_UINT32_VAL(SI_VOL), OPT_UINT32_VAL(SI_TIME));
-}
-
-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_val(struct mixer *m, struct mixer_handle *h)
-{
- return m->set(h, OPT_UINT32_VAL(VAL));
-}
-
-static struct mixer *get_mixer_or_die(void)
-{
- int i;
-
- if (!OPT_GIVEN(MIXER_API))
- i = DEFAULT_MIXER;
- else
- FOR_EACH_MIXER(i)
- if (!strcmp(mixer_name[i], OPT_STRING_VAL(MIXER_API)))
- 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);
-}
-
-static void handle_help_flags(void)
-{
- char *help;
-
- if (OPT_GIVEN(DETAILED_HELP))
- help = lls_long_help(CMD_PTR);
- else if (OPT_GIVEN(HELP))
- help = lls_short_help(CMD_PTR);
- else
- return;
- printf("%s\n", help);
- free(help);
- exit(EXIT_SUCCESS);
-}
-
-/**
- * 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[])
-{
- const struct lls_command *cmd = CMD_PTR;
- int ret;
- char *cf, *errctx;
- struct mixer *m;
- struct mixer_handle *h;
- void *map;
- size_t sz;
-
- ret = lls(lls_parse(argc, argv, cmd, &lpr, &errctx));
- if (ret < 0)
- goto fail;
- loglevel = OPT_UINT32_VAL(LOGLEVEL);
- version_handle_flag("fade", OPT_GIVEN(VERSION));
- handle_help_flags();
-
- if (OPT_GIVEN(CONFIG_FILE))
- cf = para_strdup(OPT_STRING_VAL(CONFIG_FILE));
- else {
- char *home = para_homedir();
- cf = make_message("%s/.paraslash/fade.conf", home);
- free(home);
- }
- ret = mmap_full_file(cf, O_RDONLY, &map, &sz, NULL);
- if (ret < 0) {
- if (ret != -E_EMPTY && ret != -ERRNO_TO_PARA_ERROR(ENOENT))
- goto free_cf;
- if (ret == -ERRNO_TO_PARA_ERROR(ENOENT) && OPT_GIVEN(CONFIG_FILE))
- goto free_cf;
- } else {
- int cf_argc;
- char **cf_argv;
- struct lls_parse_result *cf_lpr, *merged_lpr;
- ret = lls(lls_convert_config(map, sz, NULL, &cf_argv, &errctx));
- para_munmap(map, sz);
- if (ret < 0)
- goto free_cf;
- cf_argc = ret;
- ret = lls(lls_parse(cf_argc, cf_argv, CMD_PTR, &cf_lpr, &errctx));
- lls_free_argv(cf_argv);
- if (ret < 0)
- goto free_cf;
- ret = lls(lls_merge(lpr, cf_lpr, CMD_PTR, &merged_lpr,
- &errctx));
- lls_free_parse_result(cf_lpr, CMD_PTR);
- if (ret < 0)
- goto free_cf;
- lls_free_parse_result(lpr, CMD_PTR);
- lpr = merged_lpr;
- loglevel = OPT_UINT32_VAL(LOGLEVEL);
- }
- init_mixers();
- m = get_mixer_or_die();
- ret = m->open(OPT_STRING_VAL(MIXER_DEVICE), &h);
- if (ret < 0)
- goto free_cf;
- ret = set_channel(m, h, OPT_STRING_VAL(MIXER_CHANNEL));
- if (ret == -E_BAD_CHANNEL) {
- char *channels = m->get_channels(h);
- printf("Available channels: %s\n", channels);
- free(channels);
- }
- if (ret < 0)
- goto close_mixer;
- if (strcmp(OPT_STRING_VAL(MODE), "fade") == 0)
- ret = fade(m, h, OPT_UINT32_VAL(FADE_VOL),
- OPT_UINT32_VAL(FADE_TIME));
- else if (strcmp(OPT_STRING_VAL(MODE), "snooze") == 0)
- ret = snooze(m, h);
- else if (strcmp(OPT_STRING_VAL(MODE), "set") == 0)
- ret = set_val(m, h);
- else if (strcmp(OPT_STRING_VAL(MODE), "sleep") == 0)
- ret = sweet_dreams(m, h);
- else {
- PARA_ERROR_LOG("invalid mode: %s\n", OPT_STRING_VAL(MODE));
- ret = -ERRNO_TO_PARA_ERROR(EINVAL);
- }
-close_mixer:
- m->close(&h);
-free_cf:
- free(cf);
- lls_free_parse_result(lpr, CMD_PTR);
- if (ret >= 0)
- return EXIT_SUCCESS;
-fail:
- if (errctx)
- PARA_ERROR_LOG("%s\n", errctx);
- free(errctx);
- PARA_EMERG_LOG("%s\n", para_strerror(-ret));
- return EXIT_FAILURE;
-}
+++ /dev/null
-m4_define(PROGRAM, para_fade)
-m4_define(DEFAULT_CONFIG_FILE, ~/.paraslash/fade.conf)
-[suite fade]
-version-string = GIT_VERSION()
-[supercommand para_fade]
- purpose = alarm clock and volume-fader for OSS and ALSA
- [description]
- para_fade is a simple program which adjusts the settings of an audio
- mixing device. It can set the level of a mixer channel, or fade the
- level from one value to another in a given time period. In sleep and
- snooze mode, it contacts para_server to start or stop streaming.
- [/description]
- m4_include(common-option-section.m4)
- m4_include(help.m4)
- m4_include(detailed-help.m4)
- m4_include(version.m4)
- m4_include(config-file.m4)
- m4_include(loglevel.m4)
- m4_include(per-command-options-section.m4)
- [option mode]
- short_opt = o
- summary = select mode of operation (sleep, fade, set or snooze)
- arg_info = required_arg
- arg_type = string
- default_val = sleep
- typestr = mode
- [help]
- sleep: Change to the initial volume and select the initial
- afs mood/playlist. Then fade out until the fade-out volume is
- reached. Switch to the sleep mood/playlist until wake time minus
- fade-in time. Finally switch to the wake mood/playlist and fade to
- the fade-in volume.
-
- fade: Fade the volume to the given value in the given time.
-
- set: Just set the value and exit.
-
- snooze: Fade out, sleep a bit, and fade in.
- [/help]
- [option mixer-api]
- short_opt = a
- summary = select alternative mixer API
- arg_info = required_arg
- arg_type = string
- typestr = api
- [help]
- ALSA is preferred over OSS if both APIs are supported and this option
- is not given. To see the supported mixer APIs, use this option with
- an invalid string as the mixer API, e.g. --mixer-api help.
- [/help]
- [option mixer-device]
- short_opt = m
- summary = set mixer device
- arg_info = required_arg
- arg_type = string
- typestr = device
- [help]
- The default device (used if this option is not given) depends
- on the selected mixer API. For ALSA, the default is 'hw:0' which
- corresponds to the first sound device. For OSS, '/dev/mixer' is used
- as the default.
- [/help]
- [option mixer-channel]
- short_opt = C
- summary = select the analog mixer channel
- arg_info = required_arg
- arg_type = string
- typestr = channel
- [help]
- For the ALSA mixer API, the possible values are determined at runtime
- depending on the hardware and can be printed by specifying an invalid
- mixer channel, for example --mixer-channel help. The default channel is
- 'Master'.
-
- For OSS the possible values are invariably 'volume', 'bass', 'treble',
- 'synth', 'pcm', 'speaker', 'line', 'mic', 'cd', 'imix', 'altpcm',
- 'reclev', 'igain', 'ogain'. However, not all listed channels might be
- supported on any particular hardware. The default channel is 'volume'.
- [/help]
- [option ignored]
- summary = Options for sleep mode
- flag ignored
- [option ivol]
- summary = set initial volume
- arg_info = required_arg
- arg_type = string
- default_val = 60
- flag multiple
- typestr = [channel:]volume
- [help]
- Used as the start volume, before fading out to the fade-out volume. The
- channel part may be omitted, in which case the default channel is
- used. This option may be given multiple times.
- [/help]
- [option fo-mood]
- summary = mood or playlist for fade-out
- arg_info = required_arg
- arg_type = string
- typestr = mood_spec
- default_val = m/fade
- [help]
- This mood (or playlist) is selected right after setting the initial
- volume.
- [/help]
- [option fo-time]
- summary = duration of fade-out period
- arg_info = required_arg
- arg_type = uint32
- typestr = seconds
- default_val = 1800
- [help]
- No fading if this is set to 0.
- [/help]
- [option fo-vol]
- summary = destination volume for fade-out
- arg_info = required_arg
- arg_type = uint32
- typestr = volume
- default_val = 20
- [option sleep-mood]
- summary = mood/playlist between fade-out and fade-in
- arg_info = required_arg
- arg_type = string
- typestr = mood_spec
- default_val = m/sleep
- [help]
- Select the given mood or playlist after the fade-out. If unset,
- playback is stopped until fade-in starts.
- [/help]
- [option wake-hour]
- short_opt = H
- summary = A number between 0 and 23
- arg_info = required_arg
- arg_type = uint32
- typestr = hour
- [help]
- If this is not given, the default is computed as now + 9 hours.
- [/help]
- [option wake-min]
- short_opt = M
- summary = A number between 0 and 59
- arg_info = required_arg
- arg_type = uint32
- typestr = minutes
- [option fi-mood]
- summary = mood or playlist for fade-in
- arg_info = required_arg
- arg_type = string
- typestr = mood_spec
- default_val = m/wake
- [help]
- This mood or playlist is selected right before fade-in begins.
- [/help]
- [option fi-time]
- summary = duration of fade-in period
- arg_info = required_arg
- arg_type = uint32
- typestr = seconds
- default_val = 1200
- [help]
- No fading if this is set to 0.
- [/help]
- [option fi-vol]
- summary = destination volume for fade-in
- arg_info = required_arg
- arg_type = uint32
- typestr = volume
- default_val = 80
- [option ignored]
- summary = Options for snooze mode
- flag ignored
- [option so-time]
- summary = duration of fade-out period
- arg_info = required_arg
- arg_type = uint32
- typestr = seconds
- default_val = 30
- [option so-vol]
- summary = destination volume for fade-out
- arg_info = required_arg
- arg_type = uint32
- typestr = volume
- default_val = 20
- [option snooze-time]
- summary = delay between end of fade-out and begin of fade-in
- arg_info = required_arg
- arg_type = uint32
- typestr = seconds
- default_val = 600
- [option si-time]
- summary = duration of fade-in period
- arg_info = required_arg
- arg_type = uint32
- typestr = seconds
- default_val = 180
- [option si-vol]
- summary = destination volume for fade-in
- arg_info = required_arg
- arg_type = uint32
- typestr = volume
- default_val = 80
- [option ignored]
- summary = Options for fade mode
- flag ignored
- [option fade-vol]
- short_opt = f
- summary = destination volume for fading
- arg_info = required_arg
- arg_type = uint32
- typestr = volume
- default_val = 50
- [option fade-time]
- short_opt = t
- summary = duration of fade period
- arg_info = required_arg
- arg_type = uint32
- typestr = seconds
- default_val = 5
- [option ignored]
- summary = Options for set mode
- flag ignored
- [option val]
- summary = mixer channel value to set
- arg_info = required_arg
- arg_type = uint32
- typestr = value
- default_val = 10
--- /dev/null
+m4_define(PROGRAM, para_mixer)
+m4_define(DEFAULT_CONFIG_FILE, ~/.paraslash/mixer.conf)
+[suite mixer]
+version-string = GIT_VERSION()
+caption = List of subcommands
+[supercommand para_mixer]
+ purpose = alarm clock and volume-fader for OSS and ALSA
+ synopsis = [<options>] -- [<subcommand>] [<subcommand_options>]
+ [description]
+ para_mixer adjusts the settings of an audio mixing device. It can
+ set the level of a mixer channel, or fade the level from one value
+ to another in a given time period. The sleep and snooze subcommands
+ contact para_server to start or stop streaming.
+ [/description]
+ m4_include(common-option-section.m4)
+ m4_include(help.m4)
+ m4_include(detailed-help.m4)
+ m4_include(version.m4)
+ m4_include(config-file.m4)
+ m4_include(loglevel.m4)
+ m4_include(per-command-options-section.m4)
+ [help]
+ These options apply to several subcommands.
+ [/help]
+ [option mixer-api]
+ short_opt = a
+ summary = select alternative mixer API
+ arg_info = required_arg
+ arg_type = string
+ typestr = api
+ [help]
+ ALSA is preferred over OSS if both APIs are supported and this option
+ is not given. To see the supported mixer APIs, use this option with
+ an invalid string as the mixer API, e.g. --mixer-api help.
+ [/help]
+ [option mixer-device]
+ short_opt = m
+ summary = set mixer device
+ arg_info = required_arg
+ arg_type = string
+ typestr = device
+ [help]
+ The default device (used if this option is not given) depends
+ on the selected mixer API. For ALSA, the default is 'hw:0' which
+ corresponds to the first sound device. For OSS, '/dev/mixer' is used
+ as the default.
+ [/help]
+ [option mixer-channel]
+ short_opt = C
+ summary = select a mixer channel
+ arg_info = required_arg
+ arg_type = string
+ typestr = channel
+ [help]
+ For the ALSA mixer API, the possible values are determined at runtime
+ depending on the hardware and can be printed by specifying an invalid
+ mixer channel, for example --mixer-channel help. The default channel is
+ 'Master'.
+
+ For OSS the possible values are invariably 'volume', 'bass', 'treble',
+ 'synth', 'pcm', 'speaker', 'line', 'mic', 'cd', 'imix', 'altpcm',
+ 'reclev', 'igain', 'ogain'. However, not all listed channels might be
+ supported on any particular hardware. The default channel is 'volume'.
+ [/help]
+[subcommand help]
+ purpose = print subcommand help
+ non-opts-name = [<subcommand>]
+ [option long]
+ summary = print the long help text
+ short_opt = l
+
+[subcommand set]
+ purpose = set a channel to the given value and exit
+ [option val]
+ summary = mixer channel value to set
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = value
+ default_val = 10
+[subcommand fade]
+ purpose = fade a channel to the given value in the given time
+ [option fade-vol]
+ short_opt = f
+ summary = destination volume for fading
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = volume
+ default_val = 50
+ [option fade-time]
+ short_opt = t
+ summary = duration of fade period
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = seconds
+ default_val = 5
+[subcommand snooze]
+ purpose = fade out, pause, sleep, play, fade in
+ [option so-time]
+ summary = duration of fade-out period
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = seconds
+ default_val = 30
+ [option so-vol]
+ summary = destination volume for fade-out
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = volume
+ default_val = 20
+ [option snooze-time]
+ summary = delay between end of fade-out and begin of fade-in
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = seconds
+ default_val = 600
+ [option si-time]
+ summary = duration of fade-in period
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = seconds
+ default_val = 180
+ [option si-vol]
+ summary = destination volume for fade-in
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = volume
+ default_val = 80
+[subcommand sleep]
+ purpose = stream, fade out, sleep, fade in
+ [description]
+ Change to the initial volume and select the initial mood/playlist.
+ Fade out to the given fade-out volume in the specified time. Switch
+ to the sleep mood/playlist and wait until wake time minus fade-in
+ time. Finally, switch to the wake mood/playlist and fade in to the
+ fade-in volume.
+ [/description]
+ [option ivol]
+ summary = set initial volume
+ arg_info = required_arg
+ arg_type = string
+ default_val = 60
+ flag multiple
+ typestr = [channel:]volume
+ [help]
+ Used as the start volume, before fading out to the fade-out volume. The
+ channel part may be omitted, in which case the default channel is
+ used. This option may be given multiple times.
+ [/help]
+ [option fo-mood]
+ summary = mood or playlist for fade-out
+ arg_info = required_arg
+ arg_type = string
+ typestr = mood_spec
+ default_val = m/fade
+ [help]
+ This mood (or playlist) is selected right after setting the initial
+ volume.
+ [/help]
+ [option fo-time]
+ summary = duration of fade-out period
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = seconds
+ default_val = 1800
+ [help]
+ No fading if this is set to 0.
+ [/help]
+ [option fo-vol]
+ summary = destination volume for fade-out
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = volume
+ default_val = 20
+ [option sleep-mood]
+ summary = mood/playlist between fade-out and fade-in
+ arg_info = required_arg
+ arg_type = string
+ typestr = mood_spec
+ default_val = m/sleep
+ [help]
+ Select the given mood or playlist after the fade-out. If unset,
+ playback is stopped until fade-in starts.
+ [/help]
+ [option wake-hour]
+ short_opt = H
+ summary = A number between 0 and 23
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = hour
+ [help]
+ If this is not given, the default is computed as now + 9 hours.
+ [/help]
+ [option wake-min]
+ short_opt = M
+ summary = A number between 0 and 59
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = minutes
+ [option fi-mood]
+ summary = mood or playlist for fade-in
+ arg_info = required_arg
+ arg_type = string
+ typestr = mood_spec
+ default_val = m/wake
+ [help]
+ This mood or playlist is selected right before fade-in begins.
+ [/help]
+ [option fi-time]
+ summary = duration of fade-in period
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = seconds
+ default_val = 1200
+ [help]
+ No fading if this is set to 0.
+ [/help]
+ [option fi-vol]
+ summary = destination volume for fade-in
+ arg_info = required_arg
+ arg_type = uint32
+ typestr = volume
+ default_val = 80
* Licensed under the GPL v2. For licencing details see COPYING.
*/
-/** \file mix.h Mixer API (used by para_fade). */
+/** \file mix.h Mixer API for para_mixer. */
/**
* Opaque structure which corresponds to an instance of a mixer.
--- /dev/null
+/*
+ * Copyright (C) 1998 Andre Noll <maan@tuebingen.mpg.de>
+ *
+ * Licensed under the GPL v2. For licencing details see COPYING.
+ */
+
+/** \file mixer.c A volume fader and alarm clock for OSS. */
+
+#include <regex.h>
+#include <lopsub.h>
+
+#include "mixer.lsg.h"
+#include "para.h"
+#include "fd.h"
+#include "string.h"
+#include "mix.h"
+#include "error.h"
+#include "version.h"
+
+/** Array of error strings. */
+DEFINE_PARA_ERRLIST;
+
+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 struct lls_parse_result *lpr, *sub_lpr;
+
+#define CMD_PTR(_cmd) (lls_cmd(LSG_MIXER_CMD_ ## _cmd, mixer_suite))
+#define OPT_RESULT(_cmd, _opt) (lls_opt_result( \
+ LSG_MIXER_ ## _cmd ## _OPT_ ## _opt, (LSG_MIXER_CMD_ ## _cmd == 0)? lpr : sub_lpr))
+#define OPT_GIVEN(_cmd, _opt) (lls_opt_given(OPT_RESULT(_cmd, _opt)))
+#define OPT_STRING_VAL(_cmd, _opt) (lls_string_val(0, OPT_RESULT(_cmd, _opt)))
+#define OPT_UINT32_VAL(_cmd, _opt) (lls_uint32_val(0, OPT_RESULT(_cmd, _opt)))
+
+typedef int (*mixer_subcommand_handler_t)(struct mixer *, struct mixer_handle *);
+
+#define EXPORT_CMD(_cmd) const mixer_subcommand_handler_t \
+ lsg_mixer_com_ ## _cmd ## _user_data = &com_ ## _cmd;
+
+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);
+ 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, uint32_t new_vol,
+ uint32_t fade_time)
+{
+ 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 m->set(h, new_vol);
+ secs = fade_time;
+ ret = m->get(h);
+ if (ret < 0)
+ goto out;
+ vol = ret;
+ PARA_NOTICE_LOG("fading %s from %d to %u in %u seconds\n",
+ OPT_STRING_VAL(PARA_MIXER, MIXER_CHANNEL), vol, new_vol, secs);
+ diff = new_vol - vol;
+ if (!diff) {
+ sleep(secs);
+ goto out;
+ }
+ incr = diff > 0? 1: -1;
+ diff = diff > 0? diff: -diff;
+ tmp = secs * 1000 / diff;
+ tmp2 = tmp % 1000;
+ while ((new_vol - vol) * incr > 0) {
+ ts.tv_nsec = tmp2 * 1000000; /* really nec ?*/
+ ts.tv_sec = tmp / 1000; /* really nec ?*/
+ //printf("ts.tv_sec: %i\n", ts.tv_nsec);
+ vol += incr;
+ ret = m->set(h, vol);
+ if (ret < 0)
+ goto out;
+ //printf("vol = %i\n", vol);
+ nanosleep(&ts, NULL);
+ }
+out:
+ return ret;
+}
+static int com_fade(struct mixer *m, struct mixer_handle *h)
+{
+ uint32_t new_vol = OPT_UINT32_VAL(FADE, FADE_VOL);
+ uint32_t fade_time = OPT_UINT32_VAL(FADE, FADE_TIME);
+ return fade(m, h, new_vol, fade_time);
+}
+EXPORT_CMD(fade);
+
+static void client_cmd(const char *cmd)
+{
+ int ret, status, fds[3] = {0, 0, 0};
+ pid_t pid;
+ char *cmdline = make_message(BINDIR "/para_client %s", cmd);
+
+ PARA_NOTICE_LOG("%s\n", cmdline);
+ ret = para_exec_cmdline_pid(&pid, cmdline, fds);
+ free(cmdline);
+ if (ret < 0) {
+ PARA_ERROR_LOG("%s\n", para_strerror(-ret));
+ goto fail;
+ }
+ do
+ 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(const char *afs_mode)
+{
+ char *cmd;
+
+ client_cmd("stop");
+ if (!afs_mode)
+ return;
+ cmd = make_message("select %s", afs_mode);
+ client_cmd(cmd);
+ free(cmd);
+}
+
+static int set_initial_volume(struct mixer *m, struct mixer_handle *h)
+{
+ int i, ret;
+
+ for (i = 0; i < OPT_GIVEN(SLEEP, IVOL); i++) {
+ const char *val = lls_string_val(i, OPT_RESULT(SLEEP, IVOL));
+ char *p, *ch, *arg = para_strdup(val);
+ 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 com_sleep(struct mixer *m, struct mixer_handle *h)
+{
+ time_t t1, wake_time_epoch;
+ unsigned int delay;
+ struct tm *tm;
+ int ret, min = OPT_UINT32_VAL(SLEEP, WAKE_MIN);
+ const char *fo_mood = OPT_STRING_VAL(SLEEP, FO_MOOD);
+ const char *fi_mood = OPT_STRING_VAL(SLEEP, FI_MOOD);
+ const char *sleep_mood = OPT_STRING_VAL(SLEEP, SLEEP_MOOD);
+ int fit = OPT_UINT32_VAL(SLEEP, FI_TIME);
+ int fot = OPT_UINT32_VAL(SLEEP, FO_TIME);
+ int fiv = OPT_UINT32_VAL(SLEEP, FI_VOL);
+ int fov = OPT_UINT32_VAL(SLEEP, FO_VOL);
+
+ /* calculate wake time */
+ time(&t1);
+ if (OPT_GIVEN(SLEEP, WAKE_HOUR)) {
+ int hour = OPT_UINT32_VAL(SLEEP, WAKE_HOUR);
+ tm = localtime(&t1);
+ if (tm->tm_hour > hour || (tm->tm_hour == hour && tm->tm_min> min)) {
+ t1 += 86400; /* wake time is tomorrow */
+ tm = localtime(&t1);
+ }
+ tm->tm_hour = hour;
+ tm->tm_min = min;
+ tm->tm_sec = 0;
+ } else {
+ t1 += 9 * 60 * 60; /* nine hours from now */
+ PARA_INFO_LOG("default wake time: %lu\n", (long unsigned)t1);
+ tm = localtime(&t1);
+ }
+ wake_time_epoch = mktime(tm);
+ PARA_INFO_LOG("waketime: %d:%02d\n", tm->tm_hour, tm->tm_min);
+ client_cmd("stop");
+ sleep(1);
+ if (fot) {
+ ret = set_initial_volume(m, h);
+ if (ret < 0)
+ return ret;
+ change_afs_mode(fo_mood);
+ client_cmd("play");
+ ret = set_channel(m, h, OPT_STRING_VAL(PARA_MIXER, MIXER_CHANNEL));
+ if (ret < 0)
+ return ret;
+ ret = fade(m, h, fov, fot);
+ if (ret < 0)
+ return ret;
+ } else {
+ ret = m->set(h, fov);
+ if (ret < 0)
+ return ret;
+ }
+ if (OPT_GIVEN(SLEEP, SLEEP_MOOD)) {
+ 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)
+ break;
+ delay = wake_time_epoch - t1 - fit;
+ PARA_INFO_LOG("sleeping %u seconds (%u:%02u)\n",
+ delay, delay / 3600,
+ (delay % 3600) / 60);
+ sleep(delay);
+ }
+ client_cmd("play");
+ ret = fade(m, h, fiv, fit);
+ PARA_INFO_LOG("fade complete, returning\n");
+ return ret;
+}
+EXPORT_CMD(sleep);
+
+static int com_snooze(struct mixer *m, struct mixer_handle *h)
+{
+ int ret, val;
+
+ if (OPT_UINT32_VAL(SNOOZE, SO_TIME) == 0)
+ return 1;
+ ret = m->get(h);
+ if (ret < 0)
+ return ret;
+ val = ret;
+ if (val < OPT_UINT32_VAL(SNOOZE, SO_VOL))
+ ret = m->set(h, OPT_UINT32_VAL(SNOOZE, SO_VOL));
+ else
+ ret = fade(m, h, OPT_UINT32_VAL(SNOOZE, SO_VOL),
+ OPT_UINT32_VAL(SNOOZE, SO_TIME));
+ if (ret < 0)
+ return ret;
+ client_cmd("pause");
+ PARA_NOTICE_LOG("%" PRIu32 " seconds snooze time...\n",
+ OPT_UINT32_VAL(SNOOZE, SNOOZE_TIME));
+ sleep(OPT_UINT32_VAL(SNOOZE, SNOOZE_TIME));
+ client_cmd("play");
+ return fade(m, h, OPT_UINT32_VAL(SNOOZE, SI_VOL),
+ OPT_UINT32_VAL(SNOOZE, SI_TIME));
+}
+EXPORT_CMD(snooze);
+
+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 com_set(struct mixer *m, struct mixer_handle *h)
+{
+ return m->set(h, OPT_UINT32_VAL(SET, VAL));
+}
+EXPORT_CMD(set);
+
+static struct mixer *get_mixer_or_die(void)
+{
+ int i;
+
+ if (!OPT_GIVEN(PARA_MIXER, MIXER_API))
+ i = DEFAULT_MIXER;
+ else
+ FOR_EACH_MIXER(i)
+ if (!strcmp(mixer_name[i],
+ OPT_STRING_VAL(PARA_MIXER, MIXER_API)))
+ 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);
+}
+
+static void show_subcommands(void)
+{
+ const struct lls_command *cmd;
+ int i;
+ printf("Subcommands:\n");
+ for (i = 1; (cmd = lls_cmd(i, mixer_suite)); i++) {
+ const char *name = lls_command_name(cmd);
+ const char *purpose = lls_purpose(cmd);
+ printf("%-20s%s\n", name, purpose);
+ }
+}
+
+
+static int com_help(__a_unused struct mixer *m, __a_unused struct mixer_handle *h)
+{
+ const struct lls_command *cmd;
+ const struct lls_opt_result *r_l = OPT_RESULT(HELP, LONG);
+ char *txt, *errctx;
+ const char *name;
+ int ret;
+
+ ret = lls_check_arg_count(sub_lpr, 0, 1, NULL);
+ if (ret < 0)
+ return ret;
+ if (lls_num_inputs(sub_lpr) == 0) {
+ show_subcommands();
+ return 0;
+ }
+ name = lls_input(0, sub_lpr);
+ ret = lls(lls_lookup_subcmd(name, mixer_suite, &errctx));
+ if (ret < 0) {
+ if (errctx)
+ PARA_ERROR_LOG("%s\n", errctx);
+ free(errctx);
+ return ret;
+ }
+ cmd = lls_cmd(ret, mixer_suite);
+ if (lls_opt_given(r_l))
+ txt = lls_long_help(cmd);
+ else
+ txt = lls_short_help(cmd);
+ printf("%s", txt);
+ free(txt);
+ return 0;
+}
+EXPORT_CMD(help);
+
+static void handle_help_flags(void)
+{
+ char *help;
+
+ if (OPT_GIVEN(PARA_MIXER, DETAILED_HELP))
+ help = lls_long_help(CMD_PTR(PARA_MIXER));
+ else if (OPT_GIVEN(PARA_MIXER, HELP))
+ help = lls_short_help(CMD_PTR(PARA_MIXER));
+ else
+ return;
+ printf("%s", help);
+ free(help);
+ show_subcommands();
+ exit(EXIT_SUCCESS);
+}
+
+static int parse_and_merge_config_file(const struct lls_command *cmd)
+{
+ int ret;
+ int cf_argc;
+ char **cf_argv;
+ char *cf, *errctx = NULL;
+ struct lls_parse_result **lprp, *cf_lpr, *merged_lpr;
+ void *map;
+ size_t sz;
+ const char *subcmd_name;
+
+ if (cmd == lls_cmd(0, mixer_suite)) {
+ lprp = &lpr;
+ subcmd_name = NULL;
+ } else {
+ lprp = &sub_lpr;
+ subcmd_name = lls_command_name(cmd);
+ }
+ if (OPT_GIVEN(PARA_MIXER, CONFIG_FILE))
+ cf = para_strdup(OPT_STRING_VAL(PARA_MIXER, CONFIG_FILE));
+ else {
+ char *home = para_homedir();
+ cf = make_message("%s/.paraslash/mixer.conf", home);
+ free(home);
+ }
+ ret = mmap_full_file(cf, O_RDONLY, &map, &sz, NULL);
+ if (ret < 0) {
+ if (ret != -E_EMPTY && ret != -ERRNO_TO_PARA_ERROR(ENOENT))
+ goto free_cf;
+ if (ret == -ERRNO_TO_PARA_ERROR(ENOENT) &&
+ OPT_GIVEN(PARA_MIXER, CONFIG_FILE))
+ goto free_cf;
+ } else {
+ ret = lls(lls_convert_config(map, sz, subcmd_name, &cf_argv, &errctx));
+ para_munmap(map, sz);
+ if (ret < 0)
+ goto free_cf;
+ cf_argc = ret;
+ ret = lls(lls_parse(cf_argc, cf_argv, cmd, &cf_lpr, &errctx));
+ lls_free_argv(cf_argv);
+ if (ret < 0)
+ goto free_cf;
+ ret = lls(lls_merge(*lprp, cf_lpr, cmd, &merged_lpr, &errctx));
+ lls_free_parse_result(cf_lpr, cmd);
+ if (ret < 0)
+ goto free_cf;
+ lls_free_parse_result(*lprp, cmd);
+ *lprp = merged_lpr;
+ loglevel = OPT_UINT32_VAL(PARA_MIXER, LOGLEVEL);
+ }
+ ret = 1;
+free_cf:
+ free(cf);
+ if (errctx)
+ PARA_ERROR_LOG("%s\n", errctx);
+ free(errctx);
+ return ret;
+}
+
+/**
+ * The main function of para_mixer.
+ *
+ * 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[])
+{
+ const struct lls_command *cmd = CMD_PTR(PARA_MIXER);
+ int ret;
+ char *errctx;
+ const char *subcmd;
+ struct mixer *m;
+ struct mixer_handle *h;
+ unsigned n;
+
+ ret = lls(lls_parse(argc, argv, cmd, &lpr, &errctx));
+ if (ret < 0)
+ goto fail;
+ loglevel = OPT_UINT32_VAL(PARA_MIXER, LOGLEVEL);
+ version_handle_flag("mixer", OPT_GIVEN(PARA_MIXER, VERSION));
+ handle_help_flags();
+
+ n = lls_num_inputs(lpr);
+ if (n == 0) {
+ show_subcommands();
+ ret = 0;
+ goto free_lpr;
+ }
+ ret = parse_and_merge_config_file(cmd);
+ if (ret < 0)
+ goto free_lpr;
+ subcmd = lls_input(0, lpr);
+ ret = lls(lls_lookup_subcmd(subcmd, mixer_suite, &errctx));
+ if (ret < 0)
+ goto fail;
+ cmd = lls_cmd(ret, mixer_suite);
+ ret = lls(lls_parse(n, argv + argc - n, cmd, &sub_lpr, &errctx));
+ if (ret < 0)
+ goto free_lpr;
+ ret = parse_and_merge_config_file(cmd);
+ if (ret < 0)
+ goto free_lpr;
+ init_mixers();
+ m = get_mixer_or_die();
+ ret = m->open(OPT_STRING_VAL(PARA_MIXER, MIXER_DEVICE), &h);
+ if (ret < 0)
+ goto free_sub_lpr;
+ ret = set_channel(m, h, OPT_STRING_VAL(PARA_MIXER, MIXER_CHANNEL));
+ if (ret == -E_BAD_CHANNEL) {
+ char *channels = m->get_channels(h);
+ printf("Available channels: %s\n", channels);
+ free(channels);
+ }
+ if (ret < 0)
+ goto close_mixer;
+ ret = (*(mixer_subcommand_handler_t *)(lls_user_data(cmd)))(m ,h);
+close_mixer:
+ m->close(&h);
+free_sub_lpr:
+ lls_free_parse_result(sub_lpr, cmd);
+free_lpr:
+ lls_free_parse_result(lpr, CMD_PTR(PARA_MIXER));
+ if (ret >= 0)
+ return EXIT_SUCCESS;
+fail:
+ if (errctx)
+ PARA_ERROR_LOG("%s\n", errctx);
+ free(errctx);
+ PARA_EMERG_LOG("%s\n", para_strerror(-ret));
+ return EXIT_FAILURE;
+}
fixup_dirs
[[ -z "$o_executables" ]] && o_executables="para_afh para_audioc para_audiod
- para_client para_fade para_filter para_gui para_recv para_server
+ para_client para_mixer para_filter para_gui para_recv para_server
para_write"
for exe in $o_executables; do
export $(tr 'a-z' 'A-Z' <<< $exe)="$o_executables_dir/$exe"
[<a href="para_filter.man.html">para_filter</a>]
[<a href="para_write.man.html">para_write</a>]
[<a href="para_gui.man.html">para_gui</a>]
- [<a href="para_fade.man.html">para_fade</a>]
+ [<a href="para_mixer.man.html">para_mixere</a>]
[<a href="para_play.man.html">para_play</a>]
</p>
key-bindings for the most common server commands and new key-bindings
can be added easily.
-### para_fade ###
+### para_mixer ###
An alarm clock and volume-fader for OSS and ALSA.
projects / paraslash.git / commitdiff