/** \file fade.c A volume fader and alarm clock for OSS. */
#include <regex.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <signal.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 "version.h"
INIT_FADE_ERRLISTS;
static struct fade_args_info conf;
+enum mixer_id {MIXER_ENUM};
+static char *mixer_name[] = {MIXER_NAMES};
+DECLARE_MIXER_INITS;
+static struct mixer supported_mixer[] = {MIXER_ARRAY};
+
__printf_2_3 void date_log(__a_unused int ll, const char *fmt, ...)
{
va_list 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)
-{
- 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)
+/* 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 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;
- default: 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! */
return 1;
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;
}
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;
+ int ret, val;
if (conf.so_time_arg <= 0)
return 1;
- 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(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 (i = 0; i < NUM_SUPPORTED_MIXERS; 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;
+}
+
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);
fade_cmdline_parser_config_file(conf.config_file_arg,
&conf, ¶ms);
}
- fixup_mixer_channel_arg();
+ init_mixers();
+ m = &supported_mixer[DEFAULT_MIXER];
+ PARA_INFO_LOG("using %s mixer\n", mixer_name[DEFAULT_MIXER]);
+ 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_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();
+ 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;
+/*
+ * Copyright (C) 1998-2012 Andre Noll <maan@systemlinux.org>
+ *
+ * Licensed under the GPL v2. For licencing details see COPYING.
+ */
+
+/** \file oss_mix.c The OSS mixer plugin. */
+
+#include <sys/soundcard.h>
+#include <sys/ioctl.h>
+#include <regex.h>
+
+#include "para.h"
+#include "error.h"
+#include "mix.h"
+#include "fd.h"
+#include "string.h"
+
+struct oss_mixer_channel {
+ const char *name;
+ int id;
+};
+
+static const struct oss_mixer_channel channels[] = {
+ {.name = "volume", .id = SOUND_MIXER_VOLUME},
+ {.name = "bass", .id = SOUND_MIXER_BASS},
+ {.name = "treble", .id = SOUND_MIXER_TREBLE},
+ {.name = "synth", .id = SOUND_MIXER_SYNTH},
+ {.name = "pcm", .id = SOUND_MIXER_PCM},
+ {.name = "speaker", .id = SOUND_MIXER_SPEAKER},
+ {.name = "line", .id = SOUND_MIXER_LINE},
+ {.name = "mic", .id = SOUND_MIXER_MIC},
+ {.name = "cd", .id = SOUND_MIXER_CD},
+ {.name = "imix", .id = SOUND_MIXER_IMIX},
+ {.name = "altpcm", .id = SOUND_MIXER_ALTPCM},
+ {.name = "reclev", .id = SOUND_MIXER_RECLEV},
+ {.name = "igain", .id = SOUND_MIXER_IGAIN},
+ {.name = "ogain", .id = SOUND_MIXER_OGAIN},
+};
+
+/** Iterate over all defined mixer channels. */
+#define FOR_EACH_CHANNEL(i) for ((i) = 0; (i) < ARRAY_SIZE(channels); (i)++)
+
+struct mixer_handle {
+ int fd;
+ int id;
+};
+
+static int oss_mix_open(const char *dev, struct mixer_handle **handle)
+{
+ int ret;
+ struct mixer_handle *h;
+
+ *handle = NULL;
+ if (!dev)
+ dev = "/dev/mixer";
+ PARA_INFO_LOG("opening %s\n", dev);
+ ret = para_open(dev, O_RDWR, 42);
+ if (ret < 0)
+ return ret;
+ h = para_malloc(sizeof(*h));
+ h->fd = ret;
+ *handle = h;
+ return 1;
+}
+
+static char *oss_mix_get_channels(__a_unused struct mixer_handle *handle)
+{
+ int i;
+ char *list = NULL;
+
+ FOR_EACH_CHANNEL(i) {
+ const char *name = channels[i].name;
+ char *tmp = list;
+ list = make_message("%s%s%s",
+ list? list : "",
+ list? ", " : "",
+ name);
+ free(tmp);
+ }
+ return list;
+}
+
+static int oss_mix_set_channel(struct mixer_handle *handle,
+ const char *mixer_channel)
+{
+ int i;
+
+ if (!mixer_channel) {
+ handle->id = SOUND_MIXER_VOLUME; /* default */
+ return 0;
+ }
+ FOR_EACH_CHANNEL(i) {
+ if (strcasecmp(channels[i].name, mixer_channel))
+ continue;
+ handle->id = i;
+ return 1;
+ }
+ return -E_OSS_MIXER_CHANNEL;
+}
+
+static int oss_mix_get(struct mixer_handle *handle)
+{
+ int val, fd = handle->fd, id = handle->id;
+
+ if (ioctl(fd, MIXER_READ(id), &val) < 0)
+ return -ERRNO_TO_PARA_ERROR(errno);
+ /* take the mean value of left and right */
+ return (val % 256 + (val >> 8)) / 2;
+}
+
+static int oss_mix_set(struct mixer_handle *handle, int val)
+{
+ int fd = handle->fd, id = handle->id, tmp = (val << 8) + val;
+
+ if (ioctl(fd, MIXER_WRITE(id), &tmp) < 0)
+ return -ERRNO_TO_PARA_ERROR(errno);
+ return 1;
+}
+
+static void oss_mix_close(struct mixer_handle **handle)
+{
+ struct mixer_handle *h;
+
+ if (!handle)
+ return;
+ h = *handle;
+ if (h) {
+ if (h->fd >= 0)
+ close(h->fd);
+ free(h);
+ }
+ *handle = NULL;
+}
+
+/**
+ * The init function of the OSS mixer.
+ *
+ * \param self The structure to initialize.
+ *
+ * \sa struct \ref mixer, \ref alsa_mix_init().
+ */
+void oss_mix_init(struct mixer *self)
+{
+ self->open = oss_mix_open;
+ self->get_channels = oss_mix_get_channels;
+ self->set_channel = oss_mix_set_channel;
+ self->get = oss_mix_get;
+ self->set = oss_mix_set;
+ self->close = oss_mix_close;
+}
projects / paraslash.git / commitdiff