#include <config.h>
#endif
+#include <signal.h>
#include <stdio.h>
#include <asoundlib.h>
char *device_name; /* name of the PCM device */
char *control_device; /* name of the control device */
- pa_bool_t use_mmap:1, use_tsched:1, deferred_volume:1;
+ pa_bool_t use_mmap:1, use_tsched:1, deferred_volume:1, fixed_latency_range:1;
pa_bool_t first;
pa_rtpoll_item *alsa_rtpoll_item;
- snd_mixer_selem_channel_id_t mixer_map[SND_MIXER_SCHN_LAST];
-
pa_smoother *smoother;
uint64_t read_count;
pa_usec_t smoother_interval;
pa_hook_slot *reserve_slot;
pa_reserve_monitor_wrapper *monitor;
pa_hook_slot *monitor_slot;
+
+ /* ucm context */
+ pa_alsa_ucm_mapping_context *ucm_context;
};
static void userdata_free(struct userdata *u);
pa_assert(r);
pa_assert(u);
+ pa_log_debug("Suspending source %s, because another application requested us to release the device.", u->source->name);
+
if (pa_source_suspend(u->source, TRUE, PA_SUSPEND_APPLICATION) < 0)
return PA_HOOK_CANCEL;
}
static pa_hook_result_t monitor_cb(pa_reserve_monitor_wrapper *w, void* busy, struct userdata *u) {
- pa_bool_t b;
-
pa_assert(w);
pa_assert(u);
- b = PA_PTR_TO_UINT(busy) && !u->reserve;
+ if (PA_PTR_TO_UINT(busy) && !u->reserve) {
+ pa_log_debug("Suspending source %s, because another application is blocking the access to the device.", u->source->name);
+ pa_source_suspend(u->source, true, PA_SUSPEND_APPLICATION);
+ } else {
+ pa_log_debug("Resuming source %s, because other applications aren't blocking access to the device any more.", u->source->name);
+ pa_source_suspend(u->source, false, PA_SUSPEND_APPLICATION);
+ }
- pa_source_suspend(u->source, b, PA_SUSPEND_APPLICATION);
return PA_HOOK_OK;
}
return;
}
- /* Hmm, we cannot increase the watermark any further, hence let's raise the latency */
+ /* Hmm, we cannot increase the watermark any further, hence let's
+ raise the latency unless doing so was disabled in
+ configuration */
+ if (u->fixed_latency_range)
+ return;
+
old_min_latency = u->source->thread_info.min_latency;
new_min_latency = PA_MIN(old_min_latency * 2, old_min_latency + TSCHED_WATERMARK_INC_STEP_USEC);
new_min_latency = PA_MIN(new_min_latency, u->source->thread_info.max_latency);
int err;
pa_usec_t now1 = 0, now2;
snd_pcm_status_t *status;
+ snd_htimestamp_t htstamp = { 0, 0 };
snd_pcm_status_alloca(&status);
/* Let's update the time smoother */
- if (PA_UNLIKELY((err = pa_alsa_safe_delay(u->pcm_handle, &delay, u->hwbuf_size, &u->source->sample_spec, TRUE)) < 0)) {
+ if (PA_UNLIKELY((err = pa_alsa_safe_delay(u->pcm_handle, status, &delay, u->hwbuf_size, &u->source->sample_spec, TRUE)) < 0)) {
pa_log_warn("Failed to get delay: %s", pa_alsa_strerror(err));
return;
}
- if (PA_UNLIKELY((err = snd_pcm_status(u->pcm_handle, status)) < 0))
- pa_log_warn("Failed to get timestamp: %s", pa_alsa_strerror(err));
- else {
- snd_htimestamp_t htstamp = { 0, 0 };
- snd_pcm_status_get_htstamp(status, &htstamp);
- now1 = pa_timespec_load(&htstamp);
- }
+ snd_pcm_status_get_htstamp(status, &htstamp);
+ now1 = pa_timespec_load(&htstamp);
/* Hmm, if the timestamp is 0, then it wasn't set and we take the current time */
if (now1 <= 0)
if (!PA_SOURCE_IS_LINKED(u->source->state))
return 0;
- if (u->source->suspend_cause & PA_SUSPEND_SESSION)
+ if (u->source->suspend_cause & PA_SUSPEND_SESSION) {
+ pa_source_set_mixer_dirty(u->source, TRUE);
return 0;
+ }
if (mask & SND_CTL_EVENT_MASK_VALUE) {
pa_source_get_volume(u->source, TRUE);
if (mask == SND_CTL_EVENT_MASK_REMOVE)
return 0;
- if (u->source->suspend_cause & PA_SUSPEND_SESSION)
+ if (u->source->suspend_cause & PA_SUSPEND_SESSION) {
+ pa_source_set_mixer_dirty(u->source, TRUE);
return 0;
+ }
if (mask & SND_CTL_EVENT_MASK_VALUE)
pa_source_update_volume_and_mute(u->source);
if (u->mixer_path->has_dB && u->deferred_volume) {
pa_source_set_write_volume_callback(u->source, source_write_volume_cb);
- pa_log_info("Successfully enabled synchronous volume.");
+ pa_log_info("Successfully enabled deferred volume.");
} else
pa_source_set_write_volume_callback(u->source, NULL);
}
}
+static int source_set_port_ucm_cb(pa_source *s, pa_device_port *p) {
+ struct userdata *u = s->userdata;
+
+ pa_assert(u);
+ pa_assert(p);
+ pa_assert(u->ucm_context);
+
+ return pa_alsa_ucm_set_port(u->ucm_context, p, FALSE);
+}
+
static int source_set_port_cb(pa_source *s, pa_device_port *p) {
struct userdata *u = s->userdata;
pa_alsa_port_data *data;
data = PA_DEVICE_PORT_DATA(p);
pa_assert_se(u->mixer_path = data->path);
- pa_alsa_path_select(u->mixer_path, u->mixer_handle);
+ pa_alsa_path_select(u->mixer_path, data->setting, u->mixer_handle, s->muted);
mixer_volume_init(u);
- if (data->setting)
- pa_alsa_setting_select(data->setting, u->mixer_handle);
-
if (s->set_mute)
s->set_mute(s);
- if (s->set_volume)
- s->set_volume(s);
+ if (s->flags & PA_SOURCE_DEFERRED_VOLUME) {
+ if (s->write_volume)
+ s->write_volume(s);
+ } else {
+ if (s->set_volume)
+ s->set_volume(s);
+ }
return 0;
}
for (;;) {
int ret;
- pa_usec_t rtpoll_sleep = 0;
+ pa_usec_t rtpoll_sleep = 0, real_sleep;
#ifdef DEBUG_TIMING
pa_log_debug("Loop");
}
}
- if (rtpoll_sleep > 0)
+ if (rtpoll_sleep > 0) {
pa_rtpoll_set_timer_relative(u->rtpoll, rtpoll_sleep);
+ real_sleep = pa_rtclock_now();
+ }
else
pa_rtpoll_set_timer_disabled(u->rtpoll);
if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
goto fail;
+ if (rtpoll_sleep > 0) {
+ real_sleep = pa_rtclock_now() - real_sleep;
+#ifdef DEBUG_TIMING
+ pa_log_debug("Expected sleep: %0.2fms, real sleep: %0.2fms (diff %0.2f ms)",
+ (double) rtpoll_sleep / PA_USEC_PER_MSEC, (double) real_sleep / PA_USEC_PER_MSEC,
+ (double) ((int64_t) real_sleep - (int64_t) rtpoll_sleep) / PA_USEC_PER_MSEC);
+#endif
+ if (u->use_tsched && real_sleep > rtpoll_sleep + u->tsched_watermark)
+ pa_log_info("Scheduling delay of %0.2fms, you might want to investigate this to improve latency...",
+ (double) (real_sleep - rtpoll_sleep) / PA_USEC_PER_MSEC);
+ }
+
if (u->source->flags & PA_SOURCE_DEFERRED_VOLUME)
pa_source_volume_change_apply(u->source, NULL);
}
static void find_mixer(struct userdata *u, pa_alsa_mapping *mapping, const char *element, pa_bool_t ignore_dB) {
+ snd_hctl_t *hctl;
if (!mapping && !element)
return;
- if (!(u->mixer_handle = pa_alsa_open_mixer_for_pcm(u->pcm_handle, &u->control_device))) {
+ if (!(u->mixer_handle = pa_alsa_open_mixer_for_pcm(u->pcm_handle, &u->control_device, &hctl))) {
pa_log_info("Failed to find a working mixer device.");
return;
}
if (!(u->mixer_path = pa_alsa_path_synthesize(element, PA_ALSA_DIRECTION_INPUT)))
goto fail;
- if (pa_alsa_path_probe(u->mixer_path, u->mixer_handle, ignore_dB) < 0)
+ if (pa_alsa_path_probe(u->mixer_path, u->mixer_handle, hctl, ignore_dB) < 0)
goto fail;
pa_log_debug("Probed mixer path %s:", u->mixer_path->name);
pa_alsa_path_dump(u->mixer_path);
- } else {
-
- if (!(u->mixer_path_set = pa_alsa_path_set_new(mapping, PA_ALSA_DIRECTION_INPUT, u->paths_dir)))
- goto fail;
-
- pa_alsa_path_set_probe(u->mixer_path_set, u->mixer_handle, ignore_dB);
- }
+ } else if (!(u->mixer_path_set = mapping->input_path_set))
+ goto fail;
return;
fail:
- if (u->mixer_path_set) {
- pa_alsa_path_set_free(u->mixer_path_set);
- u->mixer_path_set = NULL;
- } else if (u->mixer_path) {
+ if (u->mixer_path) {
pa_alsa_path_free(u->mixer_path);
u->mixer_path = NULL;
}
data = PA_DEVICE_PORT_DATA(u->source->active_port);
u->mixer_path = data->path;
- pa_alsa_path_select(data->path, u->mixer_handle);
-
- if (data->setting)
- pa_alsa_setting_select(data->setting, u->mixer_handle);
+ pa_alsa_path_select(data->path, data->setting, u->mixer_handle, u->source->muted);
} else {
if (!u->mixer_path && u->mixer_path_set)
- u->mixer_path = u->mixer_path_set->paths;
+ u->mixer_path = pa_hashmap_first(u->mixer_path_set->paths);
if (u->mixer_path) {
/* Hmm, we have only a single path, then let's activate it */
- pa_alsa_path_select(u->mixer_path, u->mixer_handle);
-
- if (u->mixer_path->settings)
- pa_alsa_setting_select(u->mixer_path->settings, u->mixer_handle);
+ pa_alsa_path_select(u->mixer_path, u->mixer_path->settings, u->mixer_handle, u->source->muted);
} else
return 0;
}
/* Will we need to register callbacks? */
if (u->mixer_path_set && u->mixer_path_set->paths) {
pa_alsa_path *p;
+ void *state;
- PA_LLIST_FOREACH(p, u->mixer_path_set->paths) {
+ PA_HASHMAP_FOREACH(p, u->mixer_path_set->paths, state) {
if (p->has_volume || p->has_mute)
need_mixer_callback = TRUE;
}
u->mixer_fdl = pa_alsa_fdlist_new();
mixer_callback = ctl_mixer_callback;
- if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, u->core->mainloop) < 0) {
+ if (pa_alsa_fdlist_set_handle(u->mixer_fdl, u->mixer_handle, NULL, u->core->mainloop) < 0) {
pa_log("Failed to initialize file descriptor monitoring");
return -1;
}
pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, pa_card *card, pa_alsa_mapping *mapping) {
struct userdata *u = NULL;
- const char *dev_id = NULL;
+ const char *dev_id = NULL, *key, *mod_name;
pa_sample_spec ss;
uint32_t alternate_sample_rate;
pa_channel_map map;
uint32_t nfrags, frag_size, buffer_size, tsched_size, tsched_watermark;
snd_pcm_uframes_t period_frames, buffer_frames, tsched_frames;
size_t frame_size;
- pa_bool_t use_mmap = TRUE, b, use_tsched = TRUE, d, ignore_dB = FALSE, namereg_fail = FALSE, deferred_volume = FALSE;
+ pa_bool_t use_mmap = TRUE, b, use_tsched = TRUE, d, ignore_dB = FALSE, namereg_fail = FALSE, deferred_volume = FALSE, fixed_latency_range = FALSE;
pa_source_new_data data;
pa_alsa_profile_set *profile_set = NULL;
+ void *state = NULL;
pa_assert(m);
pa_assert(ma);
goto fail;
}
+ if (pa_modargs_get_value_boolean(ma, "fixed_latency_range", &fixed_latency_range) < 0) {
+ pa_log("Failed to parse fixed_latency_range argument.");
+ goto fail;
+ }
+
use_tsched = pa_alsa_may_tsched(use_tsched);
u = pa_xnew0(struct userdata, 1);
u->use_mmap = use_mmap;
u->use_tsched = use_tsched;
u->deferred_volume = deferred_volume;
+ u->fixed_latency_range = fixed_latency_range;
u->first = TRUE;
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
TRUE);
u->smoother_interval = SMOOTHER_MIN_INTERVAL;
+ /* use ucm */
+ if (mapping && mapping->ucm_context.ucm)
+ u->ucm_context = &mapping->ucm_context;
+
dev_id = pa_modargs_get_value(
ma, "device_id",
pa_modargs_get_value(ma, "device", DEFAULT_DEVICE));
goto fail;
}
+ if ((mod_name = pa_proplist_gets(mapping->proplist, PA_ALSA_PROP_UCM_MODIFIER))) {
+ if (snd_use_case_set(u->ucm_context->ucm->ucm_mgr, "_enamod", mod_name) < 0)
+ pa_log("Failed to enable ucm modifier %s", mod_name);
+ else
+ pa_log_debug("Enabled ucm modifier %s", mod_name);
+ }
+
if (!(u->pcm_handle = pa_alsa_open_by_device_id_mapping(
dev_id,
&u->device_name,
if (u->use_mmap)
pa_log_info("Successfully enabled mmap() mode.");
- if (u->use_tsched)
+ if (u->use_tsched) {
pa_log_info("Successfully enabled timer-based scheduling mode.");
+ if (u->fixed_latency_range)
+ pa_log_info("Disabling latency range changes on overrun");
+ }
- u->rates = pa_alsa_get_supported_rates(u->pcm_handle);
+ u->rates = pa_alsa_get_supported_rates(u->pcm_handle, ss.rate);
if (!u->rates) {
pa_log_error("Failed to find any supported sample rates.");
goto fail;
/* ALSA might tweak the sample spec, so recalculate the frame size */
frame_size = pa_frame_size(&ss);
- find_mixer(u, mapping, pa_modargs_get_value(ma, "control", NULL), ignore_dB);
+ if (!u->ucm_context)
+ find_mixer(u, mapping, pa_modargs_get_value(ma, "control", NULL), ignore_dB);
pa_source_new_data_init(&data);
data.driver = driver;
if (mapping) {
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_PROFILE_NAME, mapping->name);
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_PROFILE_DESCRIPTION, mapping->description);
+
+ while ((key = pa_proplist_iterate(mapping->proplist, &state)))
+ pa_proplist_sets(data.proplist, key, pa_proplist_gets(mapping->proplist, key));
}
pa_alsa_init_description(data.proplist);
goto fail;
}
- if (u->mixer_path_set)
- pa_alsa_add_ports(&data.ports, u->mixer_path_set);
+ if (u->ucm_context)
+ pa_alsa_ucm_add_ports(&data.ports, data.proplist, u->ucm_context, FALSE, card);
+ else if (u->mixer_path_set)
+ pa_alsa_add_ports(&data, u->mixer_path_set, card);
u->source = pa_source_new(m->core, &data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY|(u->use_tsched ? PA_SOURCE_DYNAMIC_LATENCY : 0));
pa_source_new_data_done(&data);
if (u->use_tsched)
u->source->update_requested_latency = source_update_requested_latency_cb;
u->source->set_state = source_set_state_cb;
- u->source->set_port = source_set_port_cb;
+ if (u->ucm_context)
+ u->source->set_port = source_set_port_ucm_cb;
+ else
+ u->source->set_port = source_set_port_cb;
if (u->source->alternate_sample_rate)
u->source->update_rate = source_update_rate_cb;
u->source->userdata = u;
if (update_sw_params(u) < 0)
goto fail;
- if (setup_mixer(u, ignore_dB) < 0)
+ if (u->ucm_context) {
+ if (u->source->active_port && pa_alsa_ucm_set_port(u->ucm_context, u->source->active_port, FALSE) < 0)
+ goto fail;
+ } else if (setup_mixer(u, ignore_dB) < 0)
goto fail;
pa_alsa_dump(PA_LOG_DEBUG, u->pcm_handle);
if (u->mixer_fdl)
pa_alsa_fdlist_free(u->mixer_fdl);
- if (u->mixer_path_set)
- pa_alsa_path_set_free(u->mixer_path_set);
- else if (u->mixer_path)
+ if (u->mixer_path && !u->mixer_path_set)
pa_alsa_path_free(u->mixer_path);
if (u->mixer_handle)