Merge branch 'master' of git://0pointer.de/pulseaudio into dbus-work

This commit is contained in:
Tanu Kaskinen 2009-08-19 09:20:02 +03:00
commit 292d6dcb5f
64 changed files with 6601 additions and 3909 deletions

View file

@ -123,13 +123,18 @@ pa_cvolume_avg_mask;
pa_cvolume_channels_equal_to;
pa_cvolume_compatible;
pa_cvolume_compatible_with_channel_map;
pa_cvolume_dec;
pa_cvolume_equal;
pa_cvolume_get_balance;
pa_cvolume_get_fade;
pa_cvolume_get_position;
pa_cvolume_inc;
pa_cvolume_init;
pa_cvolume_max;
pa_cvolume_max_mask;
pa_cvolume_merge;
pa_cvolume_min;
pa_cvolume_min_mask;
pa_cvolume_remap;
pa_cvolume_scale;
pa_cvolume_scale_mask;

View file

@ -68,6 +68,8 @@
#define TSCHED_MIN_SLEEP_USEC (10*PA_USEC_PER_MSEC) /* 10ms -- Sleep at least 10ms on each iteration */
#define TSCHED_MIN_WAKEUP_USEC (4*PA_USEC_PER_MSEC) /* 4ms -- Wakeup at least this long before the buffer runs empty*/
#define VOLUME_ACCURACY (PA_VOLUME_NORM/100) /* don't require volume adjustments to be perfectly correct. don't necessarily extend granularity in software unless the differences get greater than this level */
struct userdata {
pa_core *core;
pa_module *module;
@ -1007,7 +1009,7 @@ static int mixer_callback(snd_mixer_elem_t *elem, unsigned int mask) {
return 0;
if (mask & SND_CTL_EVENT_MASK_VALUE) {
pa_sink_get_volume(u->sink, TRUE, FALSE);
pa_sink_get_volume(u->sink, TRUE);
pa_sink_get_mute(u->sink, TRUE);
}
@ -1034,15 +1036,11 @@ static void sink_get_volume_cb(pa_sink *s) {
if (pa_cvolume_equal(&u->hardware_volume, &r))
return;
s->virtual_volume = u->hardware_volume = r;
s->real_volume = u->hardware_volume = r;
if (u->mixer_path->has_dB) {
pa_cvolume reset;
/* Hmm, so the hardware volume changed, let's reset our software volume */
pa_cvolume_reset(&reset, s->sample_spec.channels);
pa_sink_set_soft_volume(s, &reset);
}
/* Hmm, so the hardware volume changed, let's reset our software volume */
if (u->mixer_path->has_dB)
pa_sink_set_soft_volume(s, NULL);
}
static void sink_set_volume_cb(pa_sink *s) {
@ -1055,7 +1053,7 @@ static void sink_set_volume_cb(pa_sink *s) {
pa_assert(u->mixer_handle);
/* Shift up by the base volume */
pa_sw_cvolume_divide_scalar(&r, &s->virtual_volume, s->base_volume);
pa_sw_cvolume_divide_scalar(&r, &s->real_volume, s->base_volume);
if (pa_alsa_path_set_volume(u->mixer_path, u->mixer_handle, &s->channel_map, &r) < 0)
return;
@ -1066,13 +1064,26 @@ static void sink_set_volume_cb(pa_sink *s) {
u->hardware_volume = r;
if (u->mixer_path->has_dB) {
pa_cvolume new_soft_volume;
pa_bool_t accurate_enough;
/* Match exactly what the user requested by software */
pa_sw_cvolume_divide(&s->soft_volume, &s->virtual_volume, &u->hardware_volume);
pa_sw_cvolume_divide(&new_soft_volume, &s->real_volume, &u->hardware_volume);
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->virtual_volume));
/* If the adjustment to do in software is only minimal we
* can skip it. That saves us CPU at the expense of a bit of
* accuracy */
accurate_enough =
(pa_cvolume_min(&new_soft_volume) >= (PA_VOLUME_NORM - VOLUME_ACCURACY)) &&
(pa_cvolume_max(&new_soft_volume) <= (PA_VOLUME_NORM + VOLUME_ACCURACY));
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->real_volume));
pa_log_debug("Got hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &u->hardware_volume));
pa_log_debug("Calculated software volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->soft_volume));
pa_log_debug("Calculated software volume: %s (accurate-enough=%s)", pa_cvolume_snprint(t, sizeof(t), &new_soft_volume),
pa_yes_no(accurate_enough));
if (!accurate_enough)
s->soft_volume = new_soft_volume;
} else {
pa_log_debug("Wrote hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &r));
@ -1080,7 +1091,7 @@ static void sink_set_volume_cb(pa_sink *s) {
/* We can't match exactly what the user requested, hence let's
* at least tell the user about it */
s->virtual_volume = r;
s->real_volume = r;
}
}

View file

@ -65,6 +65,8 @@
#define TSCHED_MIN_SLEEP_USEC (10*PA_USEC_PER_MSEC) /* 10ms */
#define TSCHED_MIN_WAKEUP_USEC (4*PA_USEC_PER_MSEC) /* 4ms */
#define VOLUME_ACCURACY (PA_VOLUME_NORM/100)
struct userdata {
pa_core *core;
pa_module *module;
@ -987,15 +989,11 @@ static void source_get_volume_cb(pa_source *s) {
if (pa_cvolume_equal(&u->hardware_volume, &r))
return;
s->virtual_volume = u->hardware_volume = r;
s->volume = u->hardware_volume = r;
if (u->mixer_path->has_dB) {
pa_cvolume reset;
/* Hmm, so the hardware volume changed, let's reset our software volume */
pa_cvolume_reset(&reset, s->sample_spec.channels);
pa_source_set_soft_volume(s, &reset);
}
/* Hmm, so the hardware volume changed, let's reset our software volume */
if (u->mixer_path->has_dB)
pa_source_set_soft_volume(s, NULL);
}
static void source_set_volume_cb(pa_source *s) {
@ -1008,7 +1006,7 @@ static void source_set_volume_cb(pa_source *s) {
pa_assert(u->mixer_handle);
/* Shift up by the base volume */
pa_sw_cvolume_divide_scalar(&r, &s->virtual_volume, s->base_volume);
pa_sw_cvolume_divide_scalar(&r, &s->volume, s->base_volume);
if (pa_alsa_path_set_volume(u->mixer_path, u->mixer_handle, &s->channel_map, &r) < 0)
return;
@ -1019,13 +1017,26 @@ static void source_set_volume_cb(pa_source *s) {
u->hardware_volume = r;
if (u->mixer_path->has_dB) {
pa_cvolume new_soft_volume;
pa_bool_t accurate_enough;
/* Match exactly what the user requested by software */
pa_sw_cvolume_divide(&s->soft_volume, &s->virtual_volume, &u->hardware_volume);
pa_sw_cvolume_divide(&new_soft_volume, &s->volume, &u->hardware_volume);
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->virtual_volume));
/* If the adjustment to do in software is only minimal we
* can skip it. That saves us CPU at the expense of a bit of
* accuracy */
accurate_enough =
(pa_cvolume_min(&new_soft_volume) >= (PA_VOLUME_NORM - VOLUME_ACCURACY)) &&
(pa_cvolume_max(&new_soft_volume) <= (PA_VOLUME_NORM + VOLUME_ACCURACY));
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->volume));
pa_log_debug("Got hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &u->hardware_volume));
pa_log_debug("Calculated software volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->soft_volume));
pa_log_debug("Calculated software volume: %s (accurate-enough=%s)", pa_cvolume_snprint(t, sizeof(t), &new_soft_volume),
pa_yes_no(accurate_enough));
if (!accurate_enough)
s->soft_volume = new_soft_volume;
} else {
pa_log_debug("Wrote hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &r));
@ -1033,7 +1044,7 @@ static void source_set_volume_cb(pa_source *s) {
/* We can't match exactly what the user requested, hence let's
* at least tell the user about it */
s->virtual_volume = r;
s->volume = r;
}
}

View file

@ -758,7 +758,7 @@ pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
if (pa_dbus_add_matches(
pa_dbus_connection_get(y->connection), &err,
"type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged'",
"type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
"type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceCreated'",
@ -809,7 +809,7 @@ void pa_bluetooth_discovery_unref(pa_bluetooth_discovery *y) {
if (y->connection) {
pa_dbus_remove_matches(pa_dbus_connection_get(y->connection),
"type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged'",
"type='signal',sender='org.freedesktop.DBus',interface='org.freedesktop.DBus',member='NameOwnerChanged',arg0='org.bluez'",
"type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterAdded'",
"type='signal',sender='org.bluez',interface='org.bluez.Manager',member='AdapterRemoved'",
"type='signal',sender='org.bluez',interface='org.bluez.Adapter',member='DeviceRemoved'",

View file

@ -1476,12 +1476,12 @@ static void sink_set_volume_cb(pa_sink *s) {
if (u->profile != PROFILE_HSP)
return;
gain = (pa_cvolume_max(&s->virtual_volume) * 15) / PA_VOLUME_NORM;
gain = (pa_cvolume_max(&s->real_volume) * 15) / PA_VOLUME_NORM;
if (gain > 15)
gain = 15;
pa_cvolume_set(&s->virtual_volume, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
pa_cvolume_set(&s->real_volume, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
pa_assert_se(m = dbus_message_new_method_call("org.bluez", u->path, "org.bluez.Headset", "SetSpeakerGain"));
pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_UINT16, &gain, DBUS_TYPE_INVALID));
@ -1500,12 +1500,12 @@ static void source_set_volume_cb(pa_source *s) {
if (u->profile != PROFILE_HSP)
return;
gain = (pa_cvolume_max(&s->virtual_volume) * 15) / PA_VOLUME_NORM;
gain = (pa_cvolume_max(&s->volume) * 15) / PA_VOLUME_NORM;
if (gain > 15)
gain = 15;
pa_cvolume_set(&s->virtual_volume, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
pa_cvolume_set(&s->volume, u->sample_spec.channels, (pa_volume_t) (gain * PA_VOLUME_NORM / 15));
pa_assert_se(m = dbus_message_new_method_call("org.bluez", u->path, "org.bluez.Headset", "SetMicrophoneGain"));
pa_assert_se(dbus_message_append_args(m, DBUS_TYPE_UINT16, &gain, DBUS_TYPE_INVALID));

View file

@ -187,7 +187,6 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *message, vo
}
add_session(u, path);
return DBUS_HANDLER_RESULT_HANDLED;
} else if (dbus_message_is_signal(message, "org.freedesktop.ConsoleKit.Seat", "SessionRemoved")) {
@ -202,7 +201,6 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *message, vo
}
remove_session(u, path);
return DBUS_HANDLER_RESULT_HANDLED;
}
finish:

View file

@ -218,7 +218,7 @@ static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint3
if (sink->save_volume) {
entry.channel_map = sink->channel_map;
entry.volume = *pa_sink_get_volume(sink, FALSE, TRUE);
entry.volume = *pa_sink_get_volume(sink, FALSE);
entry.volume_valid = TRUE;
}

View file

@ -623,8 +623,6 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *message, vo
}
return DBUS_HANDLER_RESULT_HANDLED;
} else if (dbus_message_is_signal(message, "org.pulseaudio.Server", "DirtyGiveUpMessage")) {
/* We use this message to avoid a dirty race condition when we
get an ACLAdded message before the previously owning PA
@ -668,7 +666,6 @@ static DBusHandlerResult filter_cb(DBusConnection *bus, DBusMessage *message, vo
/* Yes, we don't check the UDI for validity, but hopefully HAL will */
device_added_cb(u->context, udi);
return DBUS_HANDLER_RESULT_HANDLED;
}
finish:

View file

@ -63,6 +63,8 @@ struct userdata {
float mute_toggle_save;
};
#define DELTA (PA_VOLUME_NORM/20)
static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event_flags_t events, void*userdata) {
struct userdata *u = userdata;
char *name = NULL, *code = NULL;
@ -119,32 +121,17 @@ static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event
if (!(s = pa_namereg_get(u->module->core, u->sink_name, PA_NAMEREG_SINK)))
pa_log("Failed to get sink '%s'", u->sink_name);
else {
int i;
pa_cvolume cv = *pa_sink_get_volume(s, FALSE, FALSE);
#define DELTA (PA_VOLUME_NORM/20)
pa_cvolume cv = *pa_sink_get_volume(s, FALSE);
switch (volchange) {
case UP:
for (i = 0; i < cv.channels; i++) {
if (cv.values[i] < PA_VOLUME_MAX - DELTA)
cv.values[i] += DELTA;
else
cv.values[i] = PA_VOLUME_MAX;
}
pa_sink_set_volume(s, &cv, TRUE, TRUE, TRUE, TRUE);
pa_cvolume_inc(&cv, DELTA);
pa_sink_set_volume(s, &cv, TRUE, TRUE);
break;
case DOWN:
for (i = 0; i < cv.channels; i++) {
if (cv.values[i] > DELTA)
cv.values[i] -= DELTA;
else
cv.values[i] = PA_VOLUME_MUTED;
}
pa_sink_set_volume(s, &cv, TRUE, TRUE, TRUE, TRUE);
pa_cvolume_dec(&cv, DELTA);
pa_sink_set_volume(s, &cv, TRUE, TRUE);
break;
case MUTE:
@ -156,7 +143,6 @@ static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event
break;
case MUTE_TOGGLE:
pa_sink_set_mute(s, !pa_sink_get_mute(s, FALSE), TRUE);
break;

View file

@ -216,7 +216,7 @@ static void callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, v
pa_cvolume cv;
pa_log_debug("changing volume of sink input '%s' to 0x%03x", n, r->volume);
pa_cvolume_set(&cv, si->sample_spec.channels, r->volume);
pa_sink_input_set_volume(si, &cv, TRUE, TRUE);
pa_sink_input_set_volume(si, &cv, TRUE, FALSE);
}
}
}
@ -243,6 +243,9 @@ int pa__init(pa_module*m) {
if (load_rules(u, pa_modargs_get_value(ma, "table", NULL)) < 0)
goto fail;
/* FIXME: Doing this asynchronously is just broken. This needs to
* use a hook! */
u->subscription = pa_subscription_new(m->core, PA_SUBSCRIPTION_MASK_SINK_INPUT, callback, u);
pa_modargs_free(ma);

View file

@ -65,6 +65,8 @@ struct userdata {
pa_module *module;
};
#define DELTA (PA_VOLUME_NORM/20)
static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event_flags_t events, void*userdata) {
struct userdata *u = userdata;
@ -85,14 +87,27 @@ static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event
}
if (ev.type == EV_KEY && (ev.value == 1 || ev.value == 2)) {
enum { INVALID, UP, DOWN, MUTE_TOGGLE } volchange = INVALID;
enum {
INVALID,
UP,
DOWN,
MUTE_TOGGLE
} volchange = INVALID;
pa_log_debug("Key code=%u, value=%u", ev.code, ev.value);
switch (ev.code) {
case KEY_VOLUMEDOWN: volchange = DOWN; break;
case KEY_VOLUMEUP: volchange = UP; break;
case KEY_MUTE: volchange = MUTE_TOGGLE; break;
case KEY_VOLUMEDOWN:
volchange = DOWN;
break;
case KEY_VOLUMEUP:
volchange = UP;
break;
case KEY_MUTE:
volchange = MUTE_TOGGLE;
break;
}
if (volchange != INVALID) {
@ -101,36 +116,20 @@ static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event
if (!(s = pa_namereg_get(u->module->core, u->sink_name, PA_NAMEREG_SINK)))
pa_log("Failed to get sink '%s'", u->sink_name);
else {
int i;
pa_cvolume cv = *pa_sink_get_volume(s, FALSE, FALSE);
#define DELTA (PA_VOLUME_NORM/20)
pa_cvolume cv = *pa_sink_get_volume(s, FALSE);
switch (volchange) {
case UP:
for (i = 0; i < cv.channels; i++) {
if (cv.values[i] < PA_VOLUME_MAX - DELTA)
cv.values[i] += DELTA;
else
cv.values[i] = PA_VOLUME_MAX;
}
pa_sink_set_volume(s, &cv, TRUE, TRUE, TRUE, TRUE);
pa_cvolume_inc(&cv, DELTA);
pa_sink_set_volume(s, &cv, TRUE, TRUE);
break;
case DOWN:
for (i = 0; i < cv.channels; i++) {
if (cv.values[i] > DELTA)
cv.values[i] -= DELTA;
else
cv.values[i] = PA_VOLUME_MUTED;
}
pa_sink_set_volume(s, &cv, TRUE, TRUE, TRUE, TRUE);
pa_cvolume_dec(&cv, DELTA);
pa_sink_set_volume(s, &cv, TRUE, TRUE);
break;
case MUTE_TOGGLE:
pa_sink_set_mute(s, !pa_sink_get_mute(s, FALSE), TRUE);
break;

View file

@ -1162,7 +1162,7 @@ static void sink_input_info_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag
pa_assert(u->sink);
if ((u->version < 11 || !!mute == !!u->sink->muted) &&
pa_cvolume_equal(&volume, &u->sink->virtual_volume))
pa_cvolume_equal(&volume, &u->sink->real_volume))
return;
pa_sink_volume_changed(u->sink, &volume);
@ -1763,7 +1763,7 @@ static void sink_set_volume(pa_sink *sink) {
pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_INPUT_VOLUME);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, u->device_index);
pa_tagstruct_put_cvolume(t, &sink->virtual_volume);
pa_tagstruct_put_cvolume(t, &sink->real_volume);
pa_pstream_send_tagstruct(u->pstream, t);
}

View file

@ -39,6 +39,9 @@ PA_MODULE_AUTHOR("Lennart Poettering");
PA_MODULE_DESCRIPTION("Detect available audio hardware and load matching drivers");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(TRUE);
PA_MODULE_USAGE(
"tsched=<enable system timer based scheduling mode?> "
"ignore_dB=<ignore dB information from the device?>");
struct device {
char *path;
@ -50,7 +53,9 @@ struct device {
struct userdata {
pa_core *core;
pa_hashmap *devices;
pa_bool_t use_tsched;
pa_bool_t use_tsched:1;
pa_bool_t ignore_dB:1;
struct udev* udev;
struct udev_monitor *monitor;
@ -62,6 +67,7 @@ struct userdata {
static const char* const valid_modargs[] = {
"tsched",
"ignore_dB",
NULL
};
@ -140,12 +146,14 @@ static void card_changed(struct userdata *u, struct udev_device *dev) {
args = pa_sprintf_malloc("device_id=\"%s\" "
"name=\"%s\" "
"card_name=\"%s\" "
"tsched=%i "
"tsched=%s "
"ignore_dB=%s "
"card_properties=\"module-udev-detect.discovered=1\"",
path_get_card_id(path),
n,
card_name,
(int) u->use_tsched);
pa_yes_no(u->use_tsched),
pa_yes_no(u->ignore_dB));
pa_log_debug("Loading module-alsa-card with arguments '%s'", args);
m = pa_module_load(u->core, "module-alsa-card", args);
@ -364,6 +372,7 @@ int pa__init(pa_module *m) {
struct udev_enumerate *enumerate = NULL;
struct udev_list_entry *item = NULL, *first = NULL;
int fd;
pa_bool_t use_tsched = TRUE, ignore_dB = FALSE;
pa_assert(m);
@ -375,13 +384,19 @@ int pa__init(pa_module *m) {
m->userdata = u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->devices = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
u->use_tsched = TRUE;
u->inotify_fd = -1;
if (pa_modargs_get_value_boolean(ma, "tsched", &u->use_tsched) < 0) {
pa_log("Failed to parse tsched argument.");
if (pa_modargs_get_value_boolean(ma, "tsched", &use_tsched) < 0) {
pa_log("Failed to parse tsched= argument.");
goto fail;
}
u->use_tsched = use_tsched;
if (pa_modargs_get_value_boolean(ma, "ignore_dB", &ignore_dB) < 0) {
pa_log("Failed to parse ignore_dB= argument.");
goto fail;
}
u->ignore_dB = ignore_dB;
if (!(u->udev = udev_new())) {
pa_log("Failed to initialize udev library.");

View file

@ -812,11 +812,11 @@ static void sink_get_volume(pa_sink *s) {
pa_assert(u->mixer_devmask & (SOUND_MASK_VOLUME|SOUND_MASK_PCM));
if (u->mixer_devmask & SOUND_MASK_VOLUME)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_VOLUME, &s->sample_spec, &s->virtual_volume) >= 0)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_VOLUME, &s->sample_spec, &s->real_volume) >= 0)
return;
if (u->mixer_devmask & SOUND_MASK_PCM)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_PCM, &s->sample_spec, &s->virtual_volume) >= 0)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_PCM, &s->sample_spec, &s->real_volume) >= 0)
return;
pa_log_info("Device doesn't support reading mixer settings: %s", pa_cstrerror(errno));
@ -830,11 +830,11 @@ static void sink_set_volume(pa_sink *s) {
pa_assert(u->mixer_devmask & (SOUND_MASK_VOLUME|SOUND_MASK_PCM));
if (u->mixer_devmask & SOUND_MASK_VOLUME)
if (pa_oss_set_volume(u->mixer_fd, SOUND_MIXER_WRITE_VOLUME, &s->sample_spec, &s->virtual_volume) >= 0)
if (pa_oss_set_volume(u->mixer_fd, SOUND_MIXER_WRITE_VOLUME, &s->sample_spec, &s->real_volume) >= 0)
return;
if (u->mixer_devmask & SOUND_MASK_PCM)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_WRITE_PCM, &s->sample_spec, &s->virtual_volume) >= 0)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_WRITE_PCM, &s->sample_spec, &s->real_volume) >= 0)
return;
pa_log_info("Device doesn't support writing mixer settings: %s", pa_cstrerror(errno));
@ -848,11 +848,11 @@ static void source_get_volume(pa_source *s) {
pa_assert(u->mixer_devmask & (SOUND_MASK_IGAIN|SOUND_MASK_RECLEV));
if (u->mixer_devmask & SOUND_MASK_IGAIN)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_IGAIN, &s->sample_spec, &s->virtual_volume) >= 0)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_IGAIN, &s->sample_spec, &s->volume) >= 0)
return;
if (u->mixer_devmask & SOUND_MASK_RECLEV)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_RECLEV, &s->sample_spec, &s->virtual_volume) >= 0)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_READ_RECLEV, &s->sample_spec, &s->volume) >= 0)
return;
pa_log_info("Device doesn't support reading mixer settings: %s", pa_cstrerror(errno));
@ -866,11 +866,11 @@ static void source_set_volume(pa_source *s) {
pa_assert(u->mixer_devmask & (SOUND_MASK_IGAIN|SOUND_MASK_RECLEV));
if (u->mixer_devmask & SOUND_MASK_IGAIN)
if (pa_oss_set_volume(u->mixer_fd, SOUND_MIXER_WRITE_IGAIN, &s->sample_spec, &s->virtual_volume) >= 0)
if (pa_oss_set_volume(u->mixer_fd, SOUND_MIXER_WRITE_IGAIN, &s->sample_spec, &s->volume) >= 0)
return;
if (u->mixer_devmask & SOUND_MASK_RECLEV)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_WRITE_RECLEV, &s->sample_spec, &s->virtual_volume) >= 0)
if (pa_oss_get_volume(u->mixer_fd, SOUND_MIXER_WRITE_RECLEV, &s->sample_spec, &s->volume) >= 0)
return;
pa_log_info("Device doesn't support writing mixer settings: %s", pa_cstrerror(errno));

View file

@ -283,15 +283,15 @@ static void sink_set_volume_cb(pa_sink *s) {
/* Calculate the max volume of all channels.
We'll use this as our (single) volume on the APEX device and emulate
any variation in channel volumes in software */
v = pa_cvolume_max(&s->virtual_volume);
v = pa_cvolume_max(&s->real_volume);
/* Create a pa_cvolume version of our single value */
pa_cvolume_set(&hw, s->sample_spec.channels, v);
/* Perform any software manipulation of the volume needed */
pa_sw_cvolume_divide(&s->soft_volume, &s->virtual_volume, &hw);
pa_sw_cvolume_divide(&s->soft_volume, &s->real_volume, &hw);
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->virtual_volume));
pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->real_volume));
pa_log_debug("Got hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &hw));
pa_log_debug("Calculated software volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->soft_volume));

View file

@ -38,6 +38,7 @@ struct rm_monitor {
char *device_name;
char *service_name;
char *match;
DBusConnection *connection;
@ -51,12 +52,18 @@ struct rm_monitor {
#define SERVICE_PREFIX "org.freedesktop.ReserveDevice1."
#define SERVICE_FILTER \
"type='signal'," \
"sender='" DBUS_SERVICE_DBUS "'," \
"interface='" DBUS_INTERFACE_DBUS "'," \
"member='NameOwnerChanged'," \
"arg0='%s'"
static DBusHandlerResult filter_handler(
DBusConnection *c,
DBusMessage *s,
void *userdata) {
DBusMessage *reply;
rm_monitor *m;
DBusError error;
@ -97,31 +104,10 @@ static DBusHandlerResult filter_handler(
}
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
invalid:
if (!(reply = dbus_message_new_error(
s,
DBUS_ERROR_INVALID_ARGS,
"Invalid arguments")))
goto oom;
if (!dbus_connection_send(c, reply, NULL))
goto oom;
dbus_message_unref(reply);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_HANDLED;
oom:
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
int rm_watch(
@ -175,11 +161,13 @@ int rm_watch(
m->filtering = 1;
dbus_bus_add_match(m->connection,
"type='signal',"
"sender='" DBUS_SERVICE_DBUS "',"
"interface='" DBUS_INTERFACE_DBUS "',"
"member='NameOwnerChanged'", error);
if (!(m->match = malloc(sizeof(SERVICE_FILTER) - 2 + strlen(m->service_name)))) {
r = -ENOMEM;
goto fail;
}
sprintf(m->match, SERVICE_FILTER, m->service_name);
dbus_bus_add_match(m->connection, m->match, error);
if (dbus_error_is_set(error)) {
r = -EIO;
@ -220,10 +208,8 @@ void rm_release(rm_monitor *m) {
if (m->matching)
dbus_bus_remove_match(
m->connection,
"type='signal',"
"sender='" DBUS_SERVICE_DBUS "',"
"interface='" DBUS_INTERFACE_DBUS "',"
"member='NameOwnerChanged'", NULL);
m->match,
NULL);
if (m->filtering)
dbus_connection_remove_filter(
@ -233,6 +219,7 @@ void rm_release(rm_monitor *m) {
free(m->device_name);
free(m->service_name);
free(m->match);
if (m->connection)
dbus_connection_unref(m->connection);

View file

@ -291,7 +291,6 @@ static DBusHandlerResult filter_handler(
DBusMessage *m,
void *userdata) {
DBusMessage *reply;
rd_device *d;
DBusError error;
@ -323,35 +322,13 @@ static DBusHandlerResult filter_handler(
rd_release(d);
}
return DBUS_HANDLER_RESULT_HANDLED;
}
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
invalid:
if (!(reply = dbus_message_new_error(
m,
DBUS_ERROR_INVALID_ARGS,
"Invalid arguments")))
goto oom;
if (!dbus_connection_send(c, reply, NULL))
goto oom;
dbus_message_unref(reply);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_HANDLED;
oom:
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}

View file

@ -219,11 +219,11 @@ pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels, p
case 6:
m->map[0] = PA_CHANNEL_POSITION_FRONT_LEFT;
m->map[1] = PA_CHANNEL_POSITION_REAR_LEFT;
m->map[1] = PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER;
m->map[2] = PA_CHANNEL_POSITION_FRONT_CENTER;
m->map[3] = PA_CHANNEL_POSITION_FRONT_RIGHT;
m->map[4] = PA_CHANNEL_POSITION_REAR_RIGHT;
m->map[5] = PA_CHANNEL_POSITION_LFE;
m->map[4] = PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER;
m->map[5] = PA_CHANNEL_POSITION_REAR_CENTER;
return m;
case 5:
@ -247,7 +247,7 @@ pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels, p
m->map[0] = PA_CHANNEL_POSITION_LEFT;
m->map[1] = PA_CHANNEL_POSITION_CENTER;
m->map[2] = PA_CHANNEL_POSITION_RIGHT;
m->map[3] = PA_CHANNEL_POSITION_LFE;
m->map[3] = PA_CHANNEL_POSITION_REAR_CENTER;
return m;
default:
@ -299,6 +299,8 @@ pa_channel_map* pa_channel_map_init_auto(pa_channel_map *m, unsigned channels, p
case PA_CHANNEL_MAP_WAVEEX:
/* Following http://www.microsoft.com/whdc/device/audio/multichaud.mspx#EKLAC */
switch (channels) {
case 1:
m->map[0] = PA_CHANNEL_POSITION_MONO;
@ -451,6 +453,10 @@ int pa_channel_map_equal(const pa_channel_map *a, const pa_channel_map *b) {
pa_assert(b);
pa_return_val_if_fail(pa_channel_map_valid(a), 0);
if (PA_UNLIKELY(a == b))
return 1;
pa_return_val_if_fail(pa_channel_map_valid(b), 0);
if (a->channels != b->channels)
@ -639,6 +645,10 @@ int pa_channel_map_superset(const pa_channel_map *a, const pa_channel_map *b) {
pa_assert(b);
pa_return_val_if_fail(pa_channel_map_valid(a), 0);
if (PA_UNLIKELY(a == b))
return 1;
pa_return_val_if_fail(pa_channel_map_valid(b), 0);
am = pa_channel_map_mask(a);

View file

@ -216,17 +216,27 @@ typedef enum pa_channel_map_def {
PA_CHANNEL_MAP_AIFF,
/**< The mapping from RFC3551, which is based on AIFF-C */
/** \cond fulldocs */
PA_CHANNEL_MAP_ALSA,
/**< The default mapping used by ALSA */
/**< The default mapping used by ALSA. This mapping is probably
* not too useful since ALSA's default channel mapping depends on
* the device string used. */
/** \endcond */
PA_CHANNEL_MAP_AUX,
/**< Only aux channels */
PA_CHANNEL_MAP_WAVEEX,
/**< Microsoft's WAVEFORMATEXTENSIBLE mapping */
/**< Microsoft's WAVEFORMATEXTENSIBLE mapping. This mapping works
* as if all LSBs of dwChannelMask are set. */
/** \cond fulldocs */
PA_CHANNEL_MAP_OSS,
/**< The default channel mapping used by OSS as defined in the OSS 4.0 API specs */
/**< The default channel mapping used by OSS as defined in the OSS
* 4.0 API specs. This mapping is probably not too useful since
* the OSS API has changed in this respect and no longer knows a
* default channel mapping based on the number of channels. */
/** \endcond */
/**< Upper limit of valid channel mapping definitions */
PA_CHANNEL_MAP_DEF_MAX,
@ -282,7 +292,7 @@ pa_channel_map* pa_channel_map_init_extend(pa_channel_map *m, unsigned channels,
/** Return a text label for the specified channel position */
const char* pa_channel_position_to_string(pa_channel_position_t pos) PA_GCC_PURE;
/* The inverse of pa_channel_position_to_string(). \since 0.9.16 */
/** The inverse of pa_channel_position_to_string(). \since 0.9.16 */
pa_channel_position_t pa_channel_position_from_string(const char *s) PA_GCC_PURE;
/** Return a human readable text label for the specified channel position. \since 0.9.7 */

View file

@ -125,6 +125,10 @@ int pa_sample_spec_equal(const pa_sample_spec*a, const pa_sample_spec*b) {
pa_assert(b);
pa_return_val_if_fail(pa_sample_spec_valid(a), 0);
if (PA_UNLIKELY(a == b))
return 1;
pa_return_val_if_fail(pa_sample_spec_valid(b), 0);
return

View file

@ -40,6 +40,10 @@ int pa_cvolume_equal(const pa_cvolume *a, const pa_cvolume *b) {
pa_assert(b);
pa_return_val_if_fail(pa_cvolume_valid(a), 0);
if (PA_UNLIKELY(a == b))
return 1;
pa_return_val_if_fail(pa_cvolume_valid(b), 0);
if (a->channels != b->channels)
@ -122,7 +126,7 @@ pa_volume_t pa_cvolume_avg_mask(const pa_cvolume *a, const pa_channel_map *cm, p
}
pa_volume_t pa_cvolume_max(const pa_cvolume *a) {
pa_volume_t m = 0;
pa_volume_t m = PA_VOLUME_MUTED;
unsigned c;
pa_assert(a);
@ -135,8 +139,22 @@ pa_volume_t pa_cvolume_max(const pa_cvolume *a) {
return m;
}
pa_volume_t pa_cvolume_min(const pa_cvolume *a) {
pa_volume_t m = PA_VOLUME_MAX;
unsigned c;
pa_assert(a);
pa_return_val_if_fail(pa_cvolume_valid(a), PA_VOLUME_MUTED);
for (c = 0; c < a->channels; c++)
if (a->values[c] < m)
m = a->values[c];
return m;
}
pa_volume_t pa_cvolume_max_mask(const pa_cvolume *a, const pa_channel_map *cm, pa_channel_position_mask_t mask) {
pa_volume_t m = 0;
pa_volume_t m = PA_VOLUME_MUTED;
unsigned c, n;
pa_assert(a);
@ -158,17 +176,42 @@ pa_volume_t pa_cvolume_max_mask(const pa_cvolume *a, const pa_channel_map *cm, p
return m;
}
pa_volume_t pa_cvolume_min_mask(const pa_cvolume *a, const pa_channel_map *cm, pa_channel_position_mask_t mask) {
pa_volume_t m = PA_VOLUME_MAX;
unsigned c, n;
pa_assert(a);
if (!cm)
return pa_cvolume_min(a);
pa_return_val_if_fail(pa_cvolume_compatible_with_channel_map(a, cm), PA_VOLUME_MUTED);
for (c = n = 0; c < a->channels; c++) {
if (!(PA_CHANNEL_POSITION_MASK(cm->map[c]) & mask))
continue;
if (a->values[c] < m)
m = a->values[c];
}
return m;
}
pa_volume_t pa_sw_volume_multiply(pa_volume_t a, pa_volume_t b) {
return pa_sw_volume_from_linear(pa_sw_volume_to_linear(a) * pa_sw_volume_to_linear(b));
/* cbrt((a/PA_VOLUME_NORM)^3*(b/PA_VOLUME_NORM)^3)*PA_VOLUME_NORM = a*b/PA_VOLUME_NORM */
return (pa_volume_t) (((uint64_t) a * (uint64_t) b + (uint64_t) PA_VOLUME_NORM / 2ULL) / (uint64_t) PA_VOLUME_NORM);
}
pa_volume_t pa_sw_volume_divide(pa_volume_t a, pa_volume_t b) {
double v = pa_sw_volume_to_linear(b);
if (v <= 0)
if (b <= PA_VOLUME_MUTED)
return 0;
return pa_sw_volume_from_linear(pa_sw_volume_to_linear(a) / v);
return (pa_volume_t) (((uint64_t) a * (uint64_t) PA_VOLUME_NORM + (uint64_t) b / 2ULL) / (uint64_t) b);
}
/* Amplitude, not power */
@ -249,7 +292,7 @@ char *pa_cvolume_snprint(char *s, size_t l, const pa_cvolume *c) {
l -= pa_snprintf(e, l, "%s%u: %3u%%",
first ? "" : " ",
channel,
(c->values[channel]*100)/PA_VOLUME_NORM);
(c->values[channel]*100+PA_VOLUME_NORM/2)/PA_VOLUME_NORM);
e = strchr(e, 0);
first = FALSE;
@ -269,7 +312,7 @@ char *pa_volume_snprint(char *s, size_t l, pa_volume_t v) {
return s;
}
pa_snprintf(s, l, "%3u%%", (v*100)/PA_VOLUME_NORM);
pa_snprintf(s, l, "%3u%%", (v*100+PA_VOLUME_NORM/2)/PA_VOLUME_NORM);
return s;
}
@ -815,3 +858,55 @@ pa_volume_t pa_cvolume_get_position(
return v;
}
pa_cvolume* pa_cvolume_merge(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b) {
unsigned i;
pa_assert(dest);
pa_assert(a);
pa_assert(b);
pa_return_val_if_fail(pa_cvolume_valid(a), NULL);
pa_return_val_if_fail(pa_cvolume_valid(b), NULL);
for (i = 0; i < a->channels && i < b->channels; i++)
dest->values[i] = PA_MAX(a->values[i], b->values[i]);
dest->channels = (uint8_t) i;
return dest;
}
pa_cvolume* pa_cvolume_inc(pa_cvolume *v, pa_volume_t inc) {
pa_volume_t m;
pa_assert(v);
pa_return_val_if_fail(pa_cvolume_valid(v), NULL);
m = pa_cvolume_max(v);
if (m >= PA_VOLUME_MAX - inc)
m = PA_VOLUME_MAX;
else
m += inc;
return pa_cvolume_scale(v, m);
}
pa_cvolume* pa_cvolume_dec(pa_cvolume *v, pa_volume_t dec) {
pa_volume_t m;
pa_assert(v);
pa_return_val_if_fail(pa_cvolume_valid(v), NULL);
m = pa_cvolume_max(v);
if (m <= PA_VOLUME_MUTED + dec)
m = PA_VOLUME_MUTED;
else
m -= dec;
return pa_cvolume_scale(v, m);
}

View file

@ -195,6 +195,16 @@ pa_volume_t pa_cvolume_max(const pa_cvolume *a) PA_GCC_PURE;
* \since 0.9.16 */
pa_volume_t pa_cvolume_max_mask(const pa_cvolume *a, const pa_channel_map *cm, pa_channel_position_mask_t mask) PA_GCC_PURE;
/** Return the minimum volume of all channels. \since 0.9.16 */
pa_volume_t pa_cvolume_min(const pa_cvolume *a) PA_GCC_PURE;
/** Return the minimum volume of all channels that are included in the
* specified channel map with the specified channel position mask. If
* cm is NULL this call is identical to pa_cvolume_min(). If no
* channel is selected the returned value will be PA_VOLUME_MUTED.
* \since 0.9.16 */
pa_volume_t pa_cvolume_min_mask(const pa_cvolume *a, const pa_channel_map *cm, pa_channel_position_mask_t mask) PA_GCC_PURE;
/** Return TRUE when the passed cvolume structure is valid, FALSE otherwise */
int pa_cvolume_valid(const pa_cvolume *v) PA_GCC_PURE;
@ -213,11 +223,13 @@ int pa_cvolume_channels_equal_to(const pa_cvolume *a, pa_volume_t v) PA_GCC_PURE
pa_volume_t pa_sw_volume_multiply(pa_volume_t a, pa_volume_t b) PA_GCC_CONST;
/** Multiply two per-channel volumes and return the result in
* *dest. This is only valid for software volumes! */
* *dest. This is only valid for software volumes! a, b and dest may
* point to the same structure. */
pa_cvolume *pa_sw_cvolume_multiply(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b);
/** Multiply a per-channel volume with a scalar volume and return the
* result in *dest. This is only valid for software volumes! \since
* result in *dest. This is only valid for software volumes! a
* and dest may point to the same structure. \since
* 0.9.16 */
pa_cvolume *pa_sw_cvolume_multiply_scalar(pa_cvolume *dest, const pa_cvolume *a, pa_volume_t b);
@ -228,11 +240,13 @@ pa_cvolume *pa_sw_cvolume_multiply_scalar(pa_cvolume *dest, const pa_cvolume *a,
pa_volume_t pa_sw_volume_divide(pa_volume_t a, pa_volume_t b) PA_GCC_CONST;
/** Divide two per-channel volumes and return the result in
* *dest. This is only valid for software volumes! \since 0.9.13 */
* *dest. This is only valid for software volumes! a, b
* and dest may point to the same structure. \since 0.9.13 */
pa_cvolume *pa_sw_cvolume_divide(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b);
/** Divide a per-channel volume by a scalar volume and return the
* result in *dest. This is only valid for software volumes! \since
* result in *dest. This is only valid for software volumes! a
* and dest may point to the same structure. \since
* 0.9.16 */
pa_cvolume *pa_sw_cvolume_divide_scalar(pa_cvolume *dest, const pa_cvolume *a, pa_volume_t b);
@ -326,6 +340,19 @@ pa_cvolume* pa_cvolume_set_position(pa_cvolume *cv, const pa_channel_map *map, p
* position by calling pa_channel_map_has_position(). \since 0.9.16 */
pa_volume_t pa_cvolume_get_position(pa_cvolume *cv, const pa_channel_map *map, pa_channel_position_t t) PA_GCC_PURE;
/** This goes through all channels in a and b and sets the
* corresponding channel in dest to the greater volume of both. a, b
* and dest may point to the same structure. \since 0.9.16 */
pa_cvolume* pa_cvolume_merge(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b);
/** Increase the volume passed in by 'inc'. The proportions between
* the channels are kept. \since 0.9.16 */
pa_cvolume* pa_cvolume_inc(pa_cvolume *v, pa_volume_t inc);
/** Increase the volume passed in by 'inc'. The proportions between
* the channels are kept. \since 0.9.16 */
pa_cvolume* pa_cvolume_dec(pa_cvolume *v, pa_volume_t dec);
PA_C_DECL_END
#endif

View file

@ -530,7 +530,7 @@ static int pa_cli_command_sink_volume(pa_core *c, pa_tokenizer *t, pa_strbuf *bu
}
pa_cvolume_set(&cvolume, sink->sample_spec.channels, volume);
pa_sink_set_volume(sink, &cvolume, TRUE, TRUE, TRUE, TRUE);
pa_sink_set_volume(sink, &cvolume, TRUE, TRUE);
return 0;
}
@ -1586,7 +1586,7 @@ static int pa_cli_command_dump(pa_core *c, pa_tokenizer *t, pa_strbuf *buf, pa_b
nl = 1;
}
pa_strbuf_printf(buf, "set-sink-volume %s 0x%03x\n", sink->name, pa_cvolume_avg(pa_sink_get_volume(sink, FALSE, TRUE)));
pa_strbuf_printf(buf, "set-sink-volume %s 0x%03x\n", sink->name, pa_cvolume_avg(pa_sink_get_volume(sink, FALSE)));
pa_strbuf_printf(buf, "set-sink-mute %s %s\n", sink->name, pa_yes_no(pa_sink_get_mute(sink, FALSE)));
pa_strbuf_printf(buf, "suspend-sink %s %s\n", sink->name, pa_yes_no(pa_sink_get_state(sink) == PA_SINK_SUSPENDED));
}

View file

@ -262,10 +262,10 @@ char *pa_sink_list_to_string(pa_core *c) {
sink->suspend_cause & PA_SUSPEND_APPLICATION ? "APPLICATION " : "",
sink->suspend_cause & PA_SUSPEND_IDLE ? "IDLE " : "",
sink->suspend_cause & PA_SUSPEND_SESSION ? "SESSION" : "",
pa_cvolume_snprint(cv, sizeof(cv), pa_sink_get_volume(sink, FALSE, FALSE)),
pa_cvolume_snprint(cv, sizeof(cv), pa_sink_get_volume(sink, FALSE)),
sink->flags & PA_SINK_DECIBEL_VOLUME ? "\n\t " : "",
sink->flags & PA_SINK_DECIBEL_VOLUME ? pa_sw_cvolume_snprint_dB(cvdb, sizeof(cvdb), pa_sink_get_volume(sink, FALSE, FALSE)) : "",
pa_cvolume_get_balance(pa_sink_get_volume(sink, FALSE, FALSE), &sink->channel_map),
sink->flags & PA_SINK_DECIBEL_VOLUME ? pa_sw_cvolume_snprint_dB(cvdb, sizeof(cvdb), pa_sink_get_volume(sink, FALSE)) : "",
pa_cvolume_get_balance(pa_sink_get_volume(sink, FALSE), &sink->channel_map),
pa_volume_snprint(v, sizeof(v), sink->base_volume),
sink->flags & PA_SINK_DECIBEL_VOLUME ? "\n\t " : "",
sink->flags & PA_SINK_DECIBEL_VOLUME ? pa_sw_volume_snprint_dB(vdb, sizeof(vdb), sink->base_volume) : "",

View file

@ -90,7 +90,6 @@ typedef enum pa_core_hook {
PA_CORE_HOOK_SINK_INPUT_MOVE_FAIL,
PA_CORE_HOOK_SINK_INPUT_STATE_CHANGED,
PA_CORE_HOOK_SINK_INPUT_PROPLIST_CHANGED,
PA_CORE_HOOK_SINK_INPUT_SET_VOLUME,
PA_CORE_HOOK_SINK_INPUT_SEND_EVENT,
PA_CORE_HOOK_SOURCE_OUTPUT_NEW,
PA_CORE_HOOK_SOURCE_OUTPUT_FIXATE,

View file

@ -59,39 +59,36 @@
#endif
/* Rounds down */
static inline void* pa_align_ptr(const void *p) {
return (void*) (((size_t) p) & ~(sizeof(void*)-1));
static inline void* PA_ALIGN_PTR(const void *p) {
return (void*) (((size_t) p) & ~(sizeof(void*) - 1));
}
#define PA_ALIGN_PTR(x) (pa_align_ptr(x))
/* Rounds up */
static inline size_t pa_align(size_t l) {
return (((l + sizeof(void*) - 1) / sizeof(void*)) * sizeof(void*));
static inline size_t PA_ALIGN(size_t l) {
return ((l + sizeof(void*) - 1) & ~(sizeof(void*) - 1));
}
#define PA_ALIGN(x) (pa_align(x))
/* Rounds down */
static inline void* pa_page_align_ptr(const void *p) {
return (void*) (((size_t) p) & ~(PA_PAGE_SIZE-1));
static inline void* PA_PAGE_ALIGN_PTR(const void *p) {
return (void*) (((size_t) p) & ~(PA_PAGE_SIZE - 1));
}
#define PA_PAGE_ALIGN_PTR(x) (pa_page_align_ptr(x))
/* Rounds up */
static inline size_t pa_page_align(size_t l) {
return ((l + PA_PAGE_SIZE - 1) / PA_PAGE_SIZE) * PA_PAGE_SIZE;
static inline size_t PA_PAGE_ALIGN(size_t l) {
return (l + PA_PAGE_SIZE - 1) & ~(PA_PAGE_SIZE - 1);
}
#define PA_PAGE_ALIGN(x) (pa_page_align(x))
#define PA_ELEMENTSOF(x) (sizeof(x)/sizeof((x)[0]))
/* The users of PA_MIN and PA_MAX should be aware that these macros on
* non-GCC executed code with side effects twice. It is thus
* considered misuse to use code with side effects as arguments to MIN
* and MAX. */
/* The users of PA_MIN and PA_MAX, PA_CLAMP, PA_ROUND_UP should be
* aware that these macros on non-GCC executed code with side effects
* twice. It is thus considered misuse to use code with side effects
* as arguments to MIN and MAX. */
#ifdef __GNUC__
#define PA_MAX(a,b) \
__extension__ ({ typeof(a) _a = (a); \
__extension__ ({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a > _b ? _a : _b; \
})
@ -101,7 +98,8 @@ static inline size_t pa_page_align(size_t l) {
#ifdef __GNUC__
#define PA_MIN(a,b) \
__extension__ ({ typeof(a) _a = (a); \
__extension__ ({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a < _b ? _a : _b; \
})
@ -111,7 +109,8 @@ static inline size_t pa_page_align(size_t l) {
#ifdef __GNUC__
#define PA_CLAMP(x, low, high) \
__extension__ ({ typeof(x) _x = (x); \
__extension__ ({ \
typeof(x) _x = (x); \
typeof(low) _low = (low); \
typeof(high) _high = (high); \
((_x > _high) ? _high : ((_x < _low) ? _low : _x)); \
@ -122,7 +121,8 @@ static inline size_t pa_page_align(size_t l) {
#ifdef __GNUC__
#define PA_CLAMP_UNLIKELY(x, low, high) \
__extension__ ({ typeof(x) _x = (x); \
__extension__ ({ \
typeof(x) _x = (x); \
typeof(low) _low = (low); \
typeof(high) _high = (high); \
(PA_UNLIKELY(_x > _high) ? _high : (PA_UNLIKELY(_x < _low) ? _low : _x)); \
@ -135,6 +135,28 @@ static inline size_t pa_page_align(size_t l) {
* make sense: we cannot know if it is more likely that the values is
* lower or greater than the boundaries.*/
#ifdef __GNUC__
#define PA_ROUND_UP(a, b) \
__extension__ ({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
((_a + _b - 1) / _b) * _b; \
})
#else
#define PA_ROUND_UP(a, b) ((((a) + (b) - 1) / (b)) * (b))
#endif
#ifdef __GNUC__
#define PA_ROUND_DOWN(a, b) \
__extension__ ({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
(_a / _b) * _b; \
})
#else
#define PA_ROUND_DOWN(a, b) (((a) / (b)) * (b))
#endif
/* This type is not intended to be used in exported APIs! Use classic "int" there! */
#ifdef HAVE_STD_BOOL
typedef _Bool pa_bool_t;

View file

@ -2840,7 +2840,7 @@ static void sink_fill_tagstruct(pa_native_connection *c, pa_tagstruct *t, pa_sin
PA_TAG_SAMPLE_SPEC, &fixed_ss,
PA_TAG_CHANNEL_MAP, &sink->channel_map,
PA_TAG_U32, sink->module ? sink->module->index : PA_INVALID_INDEX,
PA_TAG_CVOLUME, pa_sink_get_volume(sink, FALSE, FALSE),
PA_TAG_CVOLUME, pa_sink_get_volume(sink, FALSE),
PA_TAG_BOOLEAN, pa_sink_get_mute(sink, FALSE),
PA_TAG_U32, sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX,
PA_TAG_STRING, sink->monitor_source ? sink->monitor_source->name : NULL,
@ -3388,7 +3388,7 @@ static void command_set_volume(
if (sink) {
pa_log_debug("Client %s changes volume of sink %s.", client_name, sink->name);
pa_sink_set_volume(sink, &volume, TRUE, TRUE, TRUE, TRUE);
pa_sink_set_volume(sink, &volume, TRUE, TRUE);
} else if (source) {
pa_log_debug("Client %s changes volume of sink %s.", client_name, source->name);
pa_source_set_volume(source, &volume, TRUE);

View file

@ -47,6 +47,7 @@
static PA_DEFINE_CHECK_TYPE(pa_sink_input, pa_msgobject);
static void sink_input_free(pa_object *o);
static void set_real_ratio(pa_sink_input *i, const pa_cvolume *v);
pa_sink_input_new_data* pa_sink_input_new_data_init(pa_sink_input_new_data *data) {
pa_assert(data);
@ -270,18 +271,20 @@ int pa_sink_input_new(
i->channel_map = data->channel_map;
if ((i->sink->flags & PA_SINK_FLAT_VOLUME) && !data->volume_is_absolute) {
pa_cvolume remapped;
/* When the 'absolute' bool is not set then we'll treat the volume
* as relative to the sink volume even in flat volume mode */
pa_cvolume v = data->sink->reference_volume;
pa_cvolume_remap(&v, &data->sink->channel_map, &data->channel_map);
pa_sw_cvolume_multiply(&i->virtual_volume, &data->volume, &v);
remapped = data->sink->reference_volume;
pa_cvolume_remap(&remapped, &data->sink->channel_map, &data->channel_map);
pa_sw_cvolume_multiply(&i->volume, &data->volume, &remapped);
} else
i->virtual_volume = data->volume;
i->volume = data->volume;
i->volume_factor = data->volume_factor;
pa_cvolume_init(&i->soft_volume);
memset(i->relative_volume, 0, sizeof(i->relative_volume));
i->real_ratio = i->reference_ratio = data->volume;
pa_cvolume_reset(&i->soft_volume, i->sample_spec.channels);
pa_cvolume_reset(&i->real_ratio, i->sample_spec.channels);
i->save_volume = data->save_volume;
i->save_sink = data->save_sink;
i->save_muted = data->save_muted;
@ -445,11 +448,8 @@ void pa_sink_input_unlink(pa_sink_input *i) {
if (linked && i->sink) {
/* We might need to update the sink's volume if we are in flat volume mode. */
if (i->sink->flags & PA_SINK_FLAT_VOLUME) {
pa_cvolume new_volume;
pa_sink_update_flat_volume(i->sink, &new_volume);
pa_sink_set_volume(i->sink, &new_volume, FALSE, FALSE, FALSE, FALSE);
}
if (i->sink->flags & PA_SINK_FLAT_VOLUME)
pa_sink_set_volume(i->sink, NULL, FALSE, FALSE);
if (i->sink->asyncmsgq)
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_REMOVE_INPUT, i, 0, NULL) == 0);
@ -526,12 +526,10 @@ void pa_sink_input_put(pa_sink_input *i) {
i->state = state;
/* We might need to update the sink's volume if we are in flat volume mode. */
if (i->sink->flags & PA_SINK_FLAT_VOLUME) {
pa_cvolume new_volume;
pa_sink_update_flat_volume(i->sink, &new_volume);
pa_sink_set_volume(i->sink, &new_volume, FALSE, FALSE, FALSE, FALSE);
} else
pa_sink_input_set_relative_volume(i, &i->virtual_volume);
if (i->sink->flags & PA_SINK_FLAT_VOLUME)
pa_sink_set_volume(i->sink, NULL, FALSE, i->save_volume);
else
set_real_ratio(i, &i->volume);
i->thread_info.soft_volume = i->soft_volume;
i->thread_info.muted = i->muted;
@ -909,6 +907,27 @@ pa_usec_t pa_sink_input_get_requested_latency(pa_sink_input *i) {
return i->thread_info.requested_sink_latency;
}
/* Called from main context */
static void set_real_ratio(pa_sink_input *i, const pa_cvolume *v) {
pa_sink_input_assert_ref(i);
pa_assert_ctl_context();
pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
pa_assert(!v || pa_cvolume_compatible(v, &i->sample_spec));
/* This basically calculates:
*
* i->real_ratio := v
* i->soft_volume := i->real_ratio * i->volume_factor */
if (v)
i->real_ratio = *v;
else
pa_cvolume_reset(&i->real_ratio, i->sample_spec.channels);
pa_sw_cvolume_multiply(&i->soft_volume, &i->real_ratio, &i->volume_factor);
/* We don't copy the data to the thread_info data. That's left for someone else to do */
}
/* Called from main context */
void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume, pa_bool_t save, pa_bool_t absolute) {
pa_cvolume v;
@ -926,29 +945,24 @@ void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume, pa_boo
volume = pa_sw_cvolume_multiply(&v, &v, volume);
}
if (pa_cvolume_equal(volume, &i->virtual_volume))
if (pa_cvolume_equal(volume, &i->volume)) {
i->save_volume = i->save_volume || save;
return;
}
i->virtual_volume = *volume;
i->volume = *volume;
i->save_volume = save;
if (i->sink->flags & PA_SINK_FLAT_VOLUME) {
pa_cvolume new_volume;
if (i->sink->flags & PA_SINK_FLAT_VOLUME)
/* We are in flat volume mode, so let's update all sink input
* volumes and update the flat volume of the sink */
pa_sink_update_flat_volume(i->sink, &new_volume);
pa_sink_set_volume(i->sink, &new_volume, FALSE, TRUE, FALSE, FALSE);
} else {
pa_sink_set_volume(i->sink, NULL, TRUE, save);
else {
/* OK, we are in normal volume mode. The volume only affects
* ourselves */
pa_sink_input_set_relative_volume(i, volume);
/* Hooks have the ability to play games with i->soft_volume */
pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_SET_VOLUME], i);
set_real_ratio(i, volume);
/* Copy the new soft_volume to the thread_info struct */
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME, NULL, 0, NULL) == 0);
@ -964,67 +978,14 @@ pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i, pa_cvolume *volume, pa_bo
pa_assert_ctl_context();
pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
if ((i->sink->flags & PA_SINK_FLAT_VOLUME) && !absolute) {
pa_cvolume v = i->sink->reference_volume;
pa_cvolume_remap(&v, &i->sink->channel_map, &i->channel_map);
pa_sw_cvolume_divide(volume, &i->virtual_volume, &v);
} else
*volume = i->virtual_volume;
if (absolute || !(i->sink->flags & PA_SINK_FLAT_VOLUME))
*volume = i->volume;
else
*volume = i->reference_ratio;
return volume;
}
/* Called from main context */
pa_cvolume *pa_sink_input_get_relative_volume(pa_sink_input *i, pa_cvolume *v) {
unsigned c;
pa_sink_input_assert_ref(i);
pa_assert_ctl_context();
pa_assert(v);
pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
/* This always returns the relative volume. Converts the float
* version into a pa_cvolume */
v->channels = i->sample_spec.channels;
for (c = 0; c < v->channels; c++)
v->values[c] = pa_sw_volume_from_linear(i->relative_volume[c]);
return v;
}
/* Called from main context */
void pa_sink_input_set_relative_volume(pa_sink_input *i, const pa_cvolume *v) {
unsigned c;
pa_cvolume _v;
pa_sink_input_assert_ref(i);
pa_assert_ctl_context();
pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
pa_assert(!v || pa_cvolume_compatible(v, &i->sample_spec));
if (!v)
v = pa_cvolume_reset(&_v, i->sample_spec.channels);
/* This basically calculates:
*
* i->relative_volume := v
* i->soft_volume := i->relative_volume * i->volume_factor */
i->soft_volume.channels = i->sample_spec.channels;
for (c = 0; c < i->sample_spec.channels; c++) {
i->relative_volume[c] = pa_sw_volume_to_linear(v->values[c]);
i->soft_volume.values[c] = pa_sw_volume_from_linear(
i->relative_volume[c] *
pa_sw_volume_to_linear(i->volume_factor.values[c]));
}
/* We don't copy the data to the thread_info data. That's left for someone else to do */
}
/* Called from main context */
void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute, pa_bool_t save) {
pa_sink_input_assert_ref(i);
@ -1198,20 +1159,10 @@ int pa_sink_input_start_move(pa_sink_input *i) {
if (pa_sink_input_get_state(i) == PA_SINK_INPUT_CORKED)
pa_assert_se(i->sink->n_corked-- >= 1);
if (i->sink->flags & PA_SINK_FLAT_VOLUME) {
pa_cvolume new_volume;
/* Make the virtual volume relative */
pa_sink_input_get_relative_volume(i, &i->virtual_volume);
/* And reset the the relative volume */
pa_sink_input_set_relative_volume(i, NULL);
if (i->sink->flags & PA_SINK_FLAT_VOLUME)
/* We might need to update the sink's volume if we are in flat
* volume mode. */
pa_sink_update_flat_volume(i->sink, &new_volume);
pa_sink_set_volume(i->sink, &new_volume, FALSE, FALSE, FALSE, FALSE);
}
pa_sink_set_volume(i->sink, NULL, FALSE, FALSE);
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_START_MOVE, i, 0, NULL) == 0);
@ -1295,16 +1246,15 @@ int pa_sink_input_finish_move(pa_sink_input *i, pa_sink *dest, pa_bool_t save) {
pa_sink_update_status(dest);
if (i->sink->flags & PA_SINK_FLAT_VOLUME) {
pa_cvolume new_volume;
pa_cvolume remapped;
/* Make relative volume absolute again */
pa_cvolume t = dest->reference_volume;
pa_cvolume_remap(&t, &dest->channel_map, &i->channel_map);
pa_sw_cvolume_multiply(&i->virtual_volume, &i->virtual_volume, &t);
/* Make relative volumes absolute */
remapped = dest->reference_volume;
pa_cvolume_remap(&remapped, &dest->channel_map, &i->channel_map);
pa_sw_cvolume_multiply(&i->volume, &i->reference_ratio, &remapped);
/* We might need to update the sink's volume if we are in flat volume mode. */
pa_sink_update_flat_volume(i->sink, &new_volume);
pa_sink_set_volume(i->sink, &new_volume, FALSE, FALSE, FALSE, FALSE);
pa_sink_set_volume(i->sink, NULL, FALSE, i->save_volume);
}
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i->sink), PA_SINK_MESSAGE_FINISH_MOVE, i, 0, NULL) == 0);

View file

@ -94,10 +94,12 @@ struct pa_sink_input {
pa_sink_input *sync_prev, *sync_next;
/* Also see http://pulseaudio.org/wiki/InternalVolumes */
pa_cvolume virtual_volume; /* The volume clients are informed about */
pa_cvolume volume_factor; /* An internally used volume factor that can be used by modules to apply effects and suchlike without having that visible to the outside */
double relative_volume[PA_CHANNELS_MAX]; /* The calculated volume relative to the sink volume as linear factors. */
pa_cvolume soft_volume; /* The internal software volume we apply to all PCM data while it passes through. Usually calculated as relative_volume * volume_factor */
pa_cvolume volume; /* The volume clients are informed about */
pa_cvolume reference_ratio; /* The ratio of the stream's volume to the sink's reference volume */
pa_cvolume real_ratio; /* The ratio of the stream's volume to the sink's real volume */
pa_cvolume volume_factor; /* An internally used volume factor that can be used by modules to apply effects and suchlike without having that visible to the outside */
pa_cvolume soft_volume; /* The internal software volume we apply to all PCM data while it passes through. Usually calculated as real_ratio * volume_factor */
pa_bool_t muted:1;
/* if TRUE then the source we are connected to and/or the volume
@ -325,8 +327,6 @@ pa_usec_t pa_sink_input_get_latency(pa_sink_input *i, pa_usec_t *sink_latency);
void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume, pa_bool_t save, pa_bool_t absolute);
pa_cvolume *pa_sink_input_get_volume(pa_sink_input *i, pa_cvolume *volume, pa_bool_t absolute);
pa_cvolume *pa_sink_input_get_relative_volume(pa_sink_input *i, pa_cvolume *v);
void pa_sink_input_set_mute(pa_sink_input *i, pa_bool_t mute, pa_bool_t save);
pa_bool_t pa_sink_input_get_mute(pa_sink_input *i);
@ -369,9 +369,6 @@ pa_bool_t pa_sink_input_safe_to_remove(pa_sink_input *i);
pa_memchunk* pa_sink_input_get_silence(pa_sink_input *i, pa_memchunk *ret);
/* To be used by sink.c only */
void pa_sink_input_set_relative_volume(pa_sink_input *i, const pa_cvolume *v);
#define pa_sink_input_assert_io_context(s) \
pa_assert(pa_thread_mq_get() || !PA_SINK_INPUT_IS_LINKED((s)->state))

View file

@ -212,7 +212,7 @@ pa_sink* pa_sink_new(
pa_cvolume_reset(&data->volume, data->sample_spec.channels);
pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels);
pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
if (!data->muted_is_set)
data->muted = FALSE;
@ -249,7 +249,7 @@ pa_sink* pa_sink_new(
s->inputs = pa_idxset_new(NULL, NULL);
s->n_corked = 0;
s->reference_volume = s->virtual_volume = data->volume;
s->reference_volume = s->real_volume = data->volume;
pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
s->base_volume = PA_VOLUME_NORM;
s->n_volume_steps = PA_VOLUME_NORM+1;
@ -434,6 +434,11 @@ void pa_sink_put(pa_sink* s) {
if ((s->flags & PA_SINK_DECIBEL_VOLUME) && s->core->flat_volumes)
s->flags |= PA_SINK_FLAT_VOLUME;
/* We assume that if the sink implementor changed the default
* volume he did so in real_volume, because that is the usual
* place where he is supposed to place his changes. */
s->reference_volume = s->real_volume;
s->thread_info.soft_volume = s->soft_volume;
s->thread_info.soft_muted = s->muted;
@ -1212,105 +1217,144 @@ pa_usec_t pa_sink_get_latency_within_thread(pa_sink *s) {
return usec;
}
static void compute_new_soft_volume(pa_sink_input *i, const pa_cvolume *new_volume) {
unsigned c;
/* Called from main context */
static void compute_reference_ratios(pa_sink *s) {
uint32_t idx;
pa_sink_input *i;
pa_sink_input_assert_ref(i);
pa_assert(new_volume->channels == i->sample_spec.channels);
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
/*
* This basically calculates:
*
* i->relative_volume := i->virtual_volume / new_volume
* i->soft_volume := i->relative_volume * i->volume_factor
*/
PA_IDXSET_FOREACH(i, s->inputs, idx) {
unsigned c;
pa_cvolume remapped;
/* The new sink volume passed in here must already be remapped to
* the sink input's channel map! */
/*
* Calculates the reference volume from the sink's reference
* volume. This basically calculates:
*
* i->reference_ratio = i->volume / s->reference_volume
*/
i->soft_volume.channels = i->sample_spec.channels;
remapped = s->reference_volume;
pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
for (c = 0; c < i->sample_spec.channels; c++)
i->reference_ratio.channels = i->sample_spec.channels;
if (new_volume->values[c] <= PA_VOLUME_MUTED)
/* We leave i->relative_volume untouched */
i->soft_volume.values[c] = PA_VOLUME_MUTED;
else {
i->relative_volume[c] =
pa_sw_volume_to_linear(i->virtual_volume.values[c]) /
pa_sw_volume_to_linear(new_volume->values[c]);
for (c = 0; c < i->sample_spec.channels; c++) {
i->soft_volume.values[c] = pa_sw_volume_from_linear(
i->relative_volume[c] *
pa_sw_volume_to_linear(i->volume_factor.values[c]));
/* We don't update when the sink volume is 0 anyway */
if (remapped.values[c] <= PA_VOLUME_MUTED)
continue;
/* Don't update the reference ratio unless necessary */
if (pa_sw_volume_multiply(
i->reference_ratio.values[c],
remapped.values[c]) == i->volume.values[c])
continue;
i->reference_ratio.values[c] = pa_sw_volume_divide(
i->volume.values[c],
remapped.values[c]);
}
/* Hooks have the ability to play games with i->soft_volume */
pa_hook_fire(&i->core->hooks[PA_CORE_HOOK_SINK_INPUT_SET_VOLUME], i);
/* We don't copy the soft_volume to the thread_info data
* here. That must be done by the caller */
}
}
/* Called from main thread */
void pa_sink_update_flat_volume(pa_sink *s, pa_cvolume *new_volume) {
/* Called from main context */
static void compute_real_ratios(pa_sink *s) {
pa_sink_input *i;
uint32_t idx;
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(new_volume);
pa_assert(PA_SINK_IS_LINKED(s->state));
pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
/* This is called whenever a sink input volume changes or a sink
* input is added/removed and we might need to fix up the sink
* volume accordingly. Please note that we don't actually update
* the sinks volume here, we only return how it needs to be
* updated. The caller should then call pa_sink_set_volume().*/
if (pa_idxset_isempty(s->inputs)) {
/* In the special case that we have no sink input we leave the
* volume unmodified. */
*new_volume = s->reference_volume;
return;
}
pa_cvolume_mute(new_volume, s->channel_map.channels);
/* First let's determine the new maximum volume of all inputs
* connected to this sink */
for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
PA_IDXSET_FOREACH(i, s->inputs, idx) {
unsigned c;
pa_cvolume remapped_volume;
pa_cvolume remapped;
remapped_volume = i->virtual_volume;
pa_cvolume_remap(&remapped_volume, &i->channel_map, &s->channel_map);
/*
* This basically calculates:
*
* i->real_ratio := i->volume / s->real_volume
* i->soft_volume := i->real_ratio * i->volume_factor
*/
for (c = 0; c < new_volume->channels; c++)
if (remapped_volume.values[c] > new_volume->values[c])
new_volume->values[c] = remapped_volume.values[c];
}
remapped = s->real_volume;
pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
/* Then, let's update the soft volumes of all inputs connected
* to this sink */
for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
pa_cvolume remapped_new_volume;
i->real_ratio.channels = i->sample_spec.channels;
i->soft_volume.channels = i->sample_spec.channels;
remapped_new_volume = *new_volume;
pa_cvolume_remap(&remapped_new_volume, &s->channel_map, &i->channel_map);
compute_new_soft_volume(i, &remapped_new_volume);
for (c = 0; c < i->sample_spec.channels; c++) {
/* We don't copy soft_volume to the thread_info data here
* (i.e. issue PA_SINK_INPUT_MESSAGE_SET_VOLUME) because we
* want the update to be atomically with the sink volume
* update, hence we do it within the pa_sink_set_volume() call
* below */
if (remapped.values[c] <= PA_VOLUME_MUTED) {
/* We leave i->real_ratio untouched */
i->soft_volume.values[c] = PA_VOLUME_MUTED;
continue;
}
/* Don't lose accuracy unless necessary */
if (pa_sw_volume_multiply(
i->real_ratio.values[c],
remapped.values[c]) != i->volume.values[c])
i->real_ratio.values[c] = pa_sw_volume_divide(
i->volume.values[c],
remapped.values[c]);
i->soft_volume.values[c] = pa_sw_volume_multiply(
i->real_ratio.values[c],
i->volume_factor.values[c]);
}
/* We don't copy the soft_volume to the thread_info data
* here. That must be done by the caller */
}
}
/* Called from main thread */
void pa_sink_propagate_flat_volume(pa_sink *s) {
static void compute_real_volume(pa_sink *s) {
pa_sink_input *i;
uint32_t idx;
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
/* This determines the maximum volume of all streams and sets
* s->real_volume accordingly. */
if (pa_idxset_isempty(s->inputs)) {
/* In the special case that we have no sink input we leave the
* volume unmodified. */
s->real_volume = s->reference_volume;
return;
}
pa_cvolume_mute(&s->real_volume, s->channel_map.channels);
/* First let's determine the new maximum volume of all inputs
* connected to this sink */
PA_IDXSET_FOREACH(i, s->inputs, idx) {
pa_cvolume remapped;
remapped = i->volume;
pa_cvolume_remap(&remapped, &i->channel_map, &s->channel_map);
pa_cvolume_merge(&s->real_volume, &s->real_volume, &remapped);
}
/* Then, let's update the real ratios/soft volumes of all inputs
* connected to this sink */
compute_real_ratios(s);
}
/* Called from main thread */
static void propagate_reference_volume(pa_sink *s) {
pa_sink_input *i;
uint32_t idx;
@ -1323,64 +1367,77 @@ void pa_sink_propagate_flat_volume(pa_sink *s) {
* caused by a sink input volume change. We need to fix up the
* sink input volumes accordingly */
for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
pa_cvolume sink_volume, new_virtual_volume;
unsigned c;
PA_IDXSET_FOREACH(i, s->inputs, idx) {
pa_cvolume old_volume, remapped;
/* This basically calculates i->virtual_volume := i->relative_volume * s->virtual_volume */
old_volume = i->volume;
sink_volume = s->virtual_volume;
pa_cvolume_remap(&sink_volume, &s->channel_map, &i->channel_map);
/* This basically calculates:
*
* i->volume := s->reference_volume * i->reference_ratio */
for (c = 0; c < i->sample_spec.channels; c++)
new_virtual_volume.values[c] = pa_sw_volume_from_linear(
i->relative_volume[c] *
pa_sw_volume_to_linear(sink_volume.values[c]));
remapped = s->reference_volume;
pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
pa_sw_cvolume_multiply(&i->volume, &remapped, &i->reference_ratio);
new_virtual_volume.channels = i->sample_spec.channels;
if (!pa_cvolume_equal(&new_virtual_volume, &i->virtual_volume)) {
i->virtual_volume = new_virtual_volume;
/* Hmm, the soft volume might no longer actually match
* what has been chosen as new virtual volume here,
* especially when the old volume was
* PA_VOLUME_MUTED. Hence let's recalculate the soft
* volumes here. */
compute_new_soft_volume(i, &sink_volume);
/* The virtual volume changed, let's tell people so */
/* The reference volume changed, let's tell people so */
if (!pa_cvolume_equal(&old_volume, &i->volume))
pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
}
}
/* If the soft_volume of any of the sink inputs got changed, let's
* make sure the thread copies are synced up. */
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SYNC_VOLUMES, NULL, 0, NULL) == 0);
}
/* Called from main thread */
void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume, pa_bool_t propagate, pa_bool_t sendmsg, pa_bool_t become_reference, pa_bool_t save) {
pa_bool_t virtual_volume_changed;
void pa_sink_set_volume(
pa_sink *s,
const pa_cvolume *volume,
pa_bool_t sendmsg,
pa_bool_t save) {
pa_cvolume old_reference_volume;
pa_bool_t reference_changed;
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
pa_assert(volume);
pa_assert(pa_cvolume_valid(volume));
pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
pa_assert(!volume || pa_cvolume_valid(volume));
pa_assert(!volume || pa_cvolume_compatible(volume, &s->sample_spec));
pa_assert(volume || (s->flags & PA_SINK_FLAT_VOLUME));
virtual_volume_changed = !pa_cvolume_equal(volume, &s->virtual_volume);
s->virtual_volume = *volume;
s->save_volume = (!virtual_volume_changed && s->save_volume) || save;
/* If volume is NULL we synchronize the sink's real and reference
* volumes with the stream volumes. If it is not NULL we update
* the reference_volume with it. */
if (become_reference)
s->reference_volume = s->virtual_volume;
old_reference_volume = s->reference_volume;
/* Propagate this volume change back to the inputs */
if (virtual_volume_changed)
if (propagate && (s->flags & PA_SINK_FLAT_VOLUME))
pa_sink_propagate_flat_volume(s);
if (volume) {
s->reference_volume = *volume;
if (s->flags & PA_SINK_FLAT_VOLUME) {
/* OK, propagate this volume change back to the inputs */
propagate_reference_volume(s);
/* And now recalculate the real volume */
compute_real_volume(s);
} else
s->real_volume = s->reference_volume;
} else {
pa_assert(s->flags & PA_SINK_FLAT_VOLUME);
/* Ok, let's determine the new real volume */
compute_real_volume(s);
/* Let's 'push' the reference volume if necessary */
pa_cvolume_merge(&s->reference_volume, &s->reference_volume, &s->real_volume);
/* We need to fix the reference ratios of all streams now that
* we changed the reference volume */
compute_reference_ratios(s);
}
reference_changed = !pa_cvolume_equal(&old_reference_volume, &s->reference_volume);
s->save_volume = (!reference_changed && s->save_volume) || save;
if (s->set_volume) {
/* If we have a function set_volume(), then we do not apply a
@ -1393,13 +1450,13 @@ void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume, pa_bool_t propagat
} else
/* If we have no function set_volume(), then the soft volume
* becomes the virtual volume */
s->soft_volume = s->virtual_volume;
s->soft_volume = s->real_volume;
/* This tells the sink that soft and/or virtual volume changed */
if (sendmsg)
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
if (virtual_volume_changed)
if (reference_changed)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
@ -1407,67 +1464,114 @@ void pa_sink_set_volume(pa_sink *s, const pa_cvolume *volume, pa_bool_t propagat
void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume) {
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(volume);
s->soft_volume = *volume;
if (!volume)
pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
else
s->soft_volume = *volume;
if (PA_SINK_IS_LINKED(s->state))
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
else
s->thread_info.soft_volume = *volume;
s->thread_info.soft_volume = s->soft_volume;
}
static void propagate_real_volume(pa_sink *s, const pa_cvolume *old_real_volume) {
pa_sink_input *i;
uint32_t idx;
pa_cvolume old_reference_volume;
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
/* This is called when the hardware's real volume changes due to
* some external event. We copy the real volume into our
* reference volume and then rebuild the stream volumes based on
* i->real_ratio which should stay fixed. */
if (pa_cvolume_equal(old_real_volume, &s->real_volume))
return;
old_reference_volume = s->reference_volume;
/* 1. Make the real volume the reference volume */
s->reference_volume = s->real_volume;
if (s->flags & PA_SINK_FLAT_VOLUME) {
PA_IDXSET_FOREACH(i, s->inputs, idx) {
pa_cvolume old_volume, remapped;
old_volume = i->volume;
/* 2. Since the sink's reference and real volumes are equal
* now our ratios should be too. */
i->reference_ratio = i->real_ratio;
/* 3. Recalculate the new stream reference volume based on the
* reference ratio and the sink's reference volume.
*
* This basically calculates:
*
* i->volume = s->reference_volume * i->reference_ratio
*
* This is identical to propagate_reference_volume() */
remapped = s->reference_volume;
pa_cvolume_remap(&remapped, &s->channel_map, &i->channel_map);
pa_sw_cvolume_multiply(&i->volume, &remapped, &i->reference_ratio);
/* Notify if something changed */
if (!pa_cvolume_equal(&old_volume, &i->volume))
pa_subscription_post(i->core, PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE, i->index);
}
}
/* Something got changed in the hardware. It probably makes sense
* to save changed hw settings given that hw volume changes not
* triggered by PA are almost certainly done by the user. */
s->save_volume = TRUE;
if (!pa_cvolume_equal(&old_reference_volume, &s->reference_volume))
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
/* Called from main thread */
const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh, pa_bool_t reference) {
const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
if (s->refresh_volume || force_refresh) {
struct pa_cvolume old_virtual_volume = s->virtual_volume;
struct pa_cvolume old_real_volume;
old_real_volume = s->real_volume;
if (s->get_volume)
s->get_volume(s);
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SINK_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
if (!pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume)) {
s->reference_volume = s->virtual_volume;
/* Something got changed in the hardware. It probably
* makes sense to save changed hw settings given that hw
* volume changes not triggered by PA are almost certainly
* done by the user. */
s->save_volume = TRUE;
if (s->flags & PA_SINK_FLAT_VOLUME)
pa_sink_propagate_flat_volume(s);
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
propagate_real_volume(s, &old_real_volume);
}
return reference ? &s->reference_volume : &s->virtual_volume;
return &s->reference_volume;
}
/* Called from main thread */
void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_volume) {
void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_real_volume) {
pa_cvolume old_real_volume;
pa_sink_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SINK_IS_LINKED(s->state));
/* The sink implementor may call this if the volume changed to make sure everyone is notified */
if (pa_cvolume_equal(&s->virtual_volume, new_volume))
return;
s->reference_volume = s->virtual_volume = *new_volume;
s->save_volume = TRUE;
old_real_volume = s->real_volume;
s->real_volume = *new_real_volume;
if (s->flags & PA_SINK_FLAT_VOLUME)
pa_sink_propagate_flat_volume(s);
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
propagate_real_volume(s, &old_real_volume);
}
/* Called from main thread */
@ -1516,7 +1620,6 @@ pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
}
}
return s->muted;
}

View file

@ -90,9 +90,10 @@ struct pa_sink {
unsigned n_volume_steps; /* shall be constant */
/* Also see http://pulseaudio.org/wiki/InternalVolumes */
pa_cvolume virtual_volume; /* The volume clients are informed about */
pa_cvolume reference_volume; /* The volume taken as refernce base for relative sink input volumes */
pa_cvolume reference_volume; /* The volume exported and taken as reference base for relative sink input volumes */
pa_cvolume real_volume; /* The volume that the hardware is configured to */
pa_cvolume soft_volume; /* The internal software volume we apply to all PCM data while it passes through */
pa_bool_t muted:1;
pa_bool_t refresh_volume:1;
@ -303,11 +304,8 @@ int pa_sink_update_status(pa_sink*s);
int pa_sink_suspend(pa_sink *s, pa_bool_t suspend, pa_suspend_cause_t cause);
int pa_sink_suspend_all(pa_core *c, pa_bool_t suspend, pa_suspend_cause_t cause);
void pa_sink_update_flat_volume(pa_sink *s, pa_cvolume *new_volume);
void pa_sink_propagate_flat_volume(pa_sink *s);
void pa_sink_set_volume(pa_sink *sink, const pa_cvolume *volume, pa_bool_t propagate, pa_bool_t sendmsg, pa_bool_t become_reference, pa_bool_t save);
const pa_cvolume *pa_sink_get_volume(pa_sink *sink, pa_bool_t force_refresh, pa_bool_t reference);
void pa_sink_set_volume(pa_sink *sink, const pa_cvolume *volume, pa_bool_t sendmsg, pa_bool_t save);
const pa_cvolume *pa_sink_get_volume(pa_sink *sink, pa_bool_t force_refresh);
void pa_sink_set_mute(pa_sink *sink, pa_bool_t mute, pa_bool_t save);
pa_bool_t pa_sink_get_mute(pa_sink *sink, pa_bool_t force_refresh);

View file

@ -181,7 +181,7 @@ pa_source* pa_source_new(
pa_cvolume_reset(&data->volume, data->sample_spec.channels);
pa_return_null_if_fail(pa_cvolume_valid(&data->volume));
pa_return_null_if_fail(data->volume.channels == data->sample_spec.channels);
pa_return_null_if_fail(pa_cvolume_compatible(&data->volume, &data->sample_spec));
if (!data->muted_is_set)
data->muted = FALSE;
@ -219,7 +219,7 @@ pa_source* pa_source_new(
s->n_corked = 0;
s->monitor_of = NULL;
s->virtual_volume = data->volume;
s->volume = data->volume;
pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
s->base_volume = PA_VOLUME_NORM;
s->n_volume_steps = PA_VOLUME_NORM+1;
@ -751,31 +751,32 @@ pa_usec_t pa_source_get_latency_within_thread(pa_source *s) {
}
/* Called from main thread */
void pa_source_set_volume(pa_source *s, const pa_cvolume *volume, pa_bool_t save) {
pa_cvolume old_virtual_volume;
pa_bool_t virtual_volume_changed;
void pa_source_set_volume(
pa_source *s,
const pa_cvolume *volume,
pa_bool_t save) {
pa_bool_t real_changed;
pa_source_assert_ref(s);
pa_assert_ctl_context();
pa_assert(PA_SOURCE_IS_LINKED(s->state));
pa_assert(volume);
pa_assert(pa_cvolume_valid(volume));
pa_assert(pa_cvolume_compatible(volume, &s->sample_spec));
old_virtual_volume = s->virtual_volume;
s->virtual_volume = *volume;
virtual_volume_changed = !pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume);
s->save_volume = (!virtual_volume_changed && s->save_volume) || save;
real_changed = !pa_cvolume_equal(volume, &s->volume);
s->volume = *volume;
s->save_volume = (!real_changed && s->save_volume) || save;
if (s->set_volume) {
pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
s->set_volume(s);
} else
s->soft_volume = s->virtual_volume;
s->soft_volume = s->volume;
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
if (virtual_volume_changed)
if (real_changed)
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
@ -783,12 +784,16 @@ void pa_source_set_volume(pa_source *s, const pa_cvolume *volume, pa_bool_t save
void pa_source_set_soft_volume(pa_source *s, const pa_cvolume *volume) {
pa_source_assert_ref(s);
pa_assert_ctl_context();
pa_assert(volume);
if (!volume)
pa_cvolume_reset(&s->soft_volume, s->sample_spec.channels);
else
s->soft_volume = *volume;
if (PA_SOURCE_IS_LINKED(s->state))
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_SET_VOLUME, NULL, 0, NULL) == 0);
else
s->thread_info.soft_volume = *volume;
s->thread_info.soft_volume = s->soft_volume;
}
/* Called from main thread */
@ -798,20 +803,22 @@ const pa_cvolume *pa_source_get_volume(pa_source *s, pa_bool_t force_refresh) {
pa_assert(PA_SOURCE_IS_LINKED(s->state));
if (s->refresh_volume || force_refresh) {
pa_cvolume old_virtual_volume = s->virtual_volume;
pa_cvolume old_volume;
old_volume = s->volume;
if (s->get_volume)
s->get_volume(s);
pa_assert_se(pa_asyncmsgq_send(s->asyncmsgq, PA_MSGOBJECT(s), PA_SOURCE_MESSAGE_GET_VOLUME, NULL, 0, NULL) == 0);
if (!pa_cvolume_equal(&old_virtual_volume, &s->virtual_volume)) {
if (!pa_cvolume_equal(&old_volume, &s->volume)) {
s->save_volume = TRUE;
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
}
}
return &s->virtual_volume;
return &s->volume;
}
/* Called from main thread */
@ -822,10 +829,10 @@ void pa_source_volume_changed(pa_source *s, const pa_cvolume *new_volume) {
/* The source implementor may call this if the volume changed to make sure everyone is notified */
if (pa_cvolume_equal(&s->virtual_volume, new_volume))
if (pa_cvolume_equal(&s->volume, new_volume))
return;
s->virtual_volume = *new_volume;
s->volume = *new_volume;
s->save_volume = TRUE;
pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);

View file

@ -79,7 +79,7 @@ struct pa_source {
pa_volume_t base_volume; /* shall be constant */
unsigned n_volume_steps; /* shall be constant */
pa_cvolume virtual_volume, soft_volume;
pa_cvolume volume, soft_volume;
pa_bool_t muted:1;
pa_bool_t refresh_volume:1;

View file

@ -33,6 +33,8 @@ int main(int argc, char *argv[]) {
pa_cvolume cv;
float b;
pa_channel_map map;
pa_volume_t md = 0;
unsigned mdn = 0;
printf("Attenuation of sample 1 against 32767: %g dB\n", 20.0*log10(1.0/32767.0));
printf("Smallest possible attenutation > 0 applied to 32767: %li\n", lrint(32767.0*pa_sw_volume_to_linear(1)));
@ -85,16 +87,48 @@ int main(int argc, char *argv[]) {
printf("After: volume: [%s]; balance: %2.1f (intended: %2.1f) %s\n", pa_cvolume_snprint(s, sizeof(s), &r), k, b, k < b-.05 || k > b+.5 ? "MISMATCH" : "");
}
for (v = PA_VOLUME_MUTED; v <= PA_VOLUME_NORM*2; v += 1) {
for (v = PA_VOLUME_MUTED; v <= PA_VOLUME_NORM*2; v += 51) {
double l = pa_sw_volume_to_linear(v);
pa_volume_t k = pa_sw_volume_from_linear(l);
double db = pa_sw_volume_to_dB(v);
pa_volume_t r = pa_sw_volume_from_dB(db);
pa_volume_t w;
pa_assert(k == v);
pa_assert(r == v);
for (w = PA_VOLUME_MUTED; w < PA_VOLUME_NORM*2; w += 37) {
double t = pa_sw_volume_to_linear(w);
double db2 = pa_sw_volume_to_dB(w);
pa_volume_t p, p1, p2;
double q, qq;
p = pa_sw_volume_multiply(v, w);
qq = db + db2;
p2 = pa_sw_volume_from_dB(qq);
q = l*t;
p1 = pa_sw_volume_from_linear(q);
if (p2 > p && p2 - p > md)
md = p2 - p;
if (p2 < p && p - p2 > md)
md = p - p2;
if (p1 > p && p1 - p > md)
md = p1 - p;
if (p1 < p && p - p1 > md)
md = p - p1;
if (p1 != p || p2 != p)
mdn++;
}
}
printf("max deviation: %lu n=%lu\n", (unsigned long) md, (unsigned long) mdn);
pa_assert(md <= 1);
pa_assert(mdn <= 251);
return 0;
}