#include <pulse/i18n.h>
#include <pulse/rtclock.h>
#include <pulse/timeval.h>
-#include <pulse/util.h>
+#include <pulse/volume.h>
#include <pulse/xmalloc.h>
-#include <pulsecore/core-error.h>
#include <pulsecore/core.h>
#include <pulsecore/module.h>
#include <pulsecore/memchunk.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
#include <pulsecore/thread.h>
-#include <pulsecore/core-error.h>
#include <pulsecore/thread-mq.h>
#include <pulsecore/rtpoll.h>
#include <pulsecore/time-smoother.h>
snd_pcm_t *pcm_handle;
pa_alsa_fdlist *mixer_fdl;
+ pa_alsa_mixer_pdata *mixer_pd;
snd_mixer_t *mixer_handle;
pa_alsa_path_set *mixer_path_set;
pa_alsa_path *mixer_path;
pa_usec_t watermark_dec_not_before;
- char *device_name;
- char *control_device;
+ 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;
if (pa_in_system_mode())
return 0;
- /* We are resuming, try to lock the device */
if (!(rname = pa_alsa_get_reserve_name(dname)))
return 0;
+ /* We are resuming, try to lock the device */
u->reserve = pa_reserve_wrapper_get(u->core, rname);
pa_xfree(rname);
if (pa_in_system_mode())
return 0;
- /* We are resuming, try to lock the device */
if (!(rname = pa_alsa_get_reserve_name(dname)))
return 0;
+ /* We are resuming, try to lock the device */
u->monitor = pa_reserve_monitor_wrapper_get(u->core, rname);
pa_xfree(rname);
static void fix_min_sleep_wakeup(struct userdata *u) {
size_t max_use, max_use_2;
+
pa_assert(u);
pa_assert(u->use_tsched);
u->watermark_dec_not_before = now + TSCHED_WATERMARK_VERIFY_AFTER_USEC;
}
-static pa_usec_t hw_sleep_time(struct userdata *u, pa_usec_t *sleep_usec, pa_usec_t*process_usec) {
+static void hw_sleep_time(struct userdata *u, pa_usec_t *sleep_usec, pa_usec_t*process_usec) {
pa_usec_t wm, usec;
pa_assert(sleep_usec);
(unsigned long) (*sleep_usec / PA_USEC_PER_MSEC),
(unsigned long) (*process_usec / PA_USEC_PER_MSEC));
#endif
-
- return usec;
}
static int try_recover(struct userdata *u, const char *call, int err) {
PA_DEBUG_TRAP;
#endif
- if (pa_log_ratelimit())
+ if (pa_log_ratelimit(PA_LOG_INFO))
pa_log_info("Overrun!");
}
else if (left_to_record > u->watermark_dec_threshold) {
reset_not_before = FALSE;
- /* We decrease the watermark only if have actually been
- * woken up by a timeout. If something else woke us up
- * it's too easy to fulfill the deadlines... */
+ /* We decrease the watermark only if have actually
+ * been woken up by a timeout. If something else woke
+ * us up it's too easy to fulfill the deadlines... */
if (on_timeout)
decrease_watermark(u);
break;
}
+
if (++j > 10) {
#ifdef DEBUG_TIMING
pa_log_debug("Not filling up, because already too many iterations.");
#endif
for (;;) {
+ pa_memchunk chunk;
+ void *p;
int err;
const snd_pcm_channel_area_t *areas;
snd_pcm_uframes_t offset, frames;
- pa_memchunk chunk;
- void *p;
snd_pcm_sframes_t sframes;
frames = (snd_pcm_uframes_t) (n_bytes / u->frame_size);
-
/* pa_log_debug("%lu frames to read", (unsigned long) frames); */
if (PA_UNLIKELY((err = pa_alsa_safe_mmap_begin(u->pcm_handle, &areas, &offset, &frames, u->hwbuf_size, &u->source->sample_spec)) < 0)) {
}
static pa_usec_t source_get_latency(struct userdata *u) {
- int64_t delay;
+ int64_t delay;
pa_usec_t now1, now2;
pa_assert(u);
return 0;
}
+/* Called from IO context */
static int suspend(struct userdata *u) {
pa_assert(u);
pa_assert(u->pcm_handle);
return 0;
}
+/* Called from IO context */
static int update_sw_params(struct userdata *u) {
snd_pcm_uframes_t avail_min;
int err;
return 0;
}
+/* Called from IO context */
static int unsuspend(struct userdata *u) {
pa_sample_spec ss;
int err;
return -PA_ERR_IO;
}
+/* Called from IO context */
static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct userdata *u = PA_SOURCE(o)->userdata;
case PA_SOURCE_SUSPENDED: {
int r;
+
pa_assert(PA_SOURCE_IS_OPENED(u->source->thread_info.state));
if ((r = suspend(u)) < 0)
old_state = pa_source_get_state(u->source);
- if (PA_SINK_IS_OPENED(old_state) && new_state == PA_SINK_SUSPENDED)
+ if (PA_SOURCE_IS_OPENED(old_state) && new_state == PA_SOURCE_SUSPENDED)
reserve_done(u);
- else if (old_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(new_state))
+ else if (old_state == PA_SOURCE_SUSPENDED && PA_SOURCE_IS_OPENED(new_state))
if (reserve_init(u, u->device_name) < 0)
return -PA_ERR_BUSY;
return 0;
}
-static int mixer_callback(snd_mixer_elem_t *elem, unsigned int mask) {
+static int ctl_mixer_callback(snd_mixer_elem_t *elem, unsigned int mask) {
struct userdata *u = snd_mixer_elem_get_callback_private(elem);
pa_assert(u);
return 0;
}
+static int io_mixer_callback(snd_mixer_elem_t *elem, unsigned int mask) {
+ struct userdata *u = snd_mixer_elem_get_callback_private(elem);
+
+ pa_assert(u);
+ pa_assert(u->mixer_handle);
+
+ if (mask == SND_CTL_EVENT_MASK_REMOVE)
+ return 0;
+
+ if (u->source->suspend_cause & PA_SUSPEND_SESSION)
+ return 0;
+
+ if (mask & SND_CTL_EVENT_MASK_VALUE)
+ pa_source_update_volume_and_mute(u->source);
+
+ return 0;
+}
+
static void source_get_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
pa_cvolume r;
- char t[PA_CVOLUME_SNPRINT_MAX];
+ char vol_str_pcnt[PA_CVOLUME_SNPRINT_MAX];
pa_assert(u);
pa_assert(u->mixer_path);
/* Shift down by the base volume, so that 0dB becomes maximum volume */
pa_sw_cvolume_multiply_scalar(&r, &r, s->base_volume);
- pa_log_debug("Read hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &r));
+ pa_log_debug("Read hardware volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &r));
+
+ if (u->mixer_path->has_dB) {
+ char vol_str_db[PA_SW_CVOLUME_SNPRINT_DB_MAX];
+
+ pa_log_debug(" in dB: %s", pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &r));
+ }
if (pa_cvolume_equal(&u->hardware_volume, &r))
return;
- s->volume = u->hardware_volume = r;
+ s->real_volume = u->hardware_volume = r;
/* Hmm, so the hardware volume changed, let's reset our software volume */
if (u->mixer_path->has_dB)
static void source_set_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
pa_cvolume r;
- char t[PA_CVOLUME_SNPRINT_MAX];
+ char vol_str_pcnt[PA_CVOLUME_SNPRINT_MAX];
+ pa_bool_t sync_volume = !!(s->flags & PA_SOURCE_SYNC_VOLUME);
pa_assert(u);
pa_assert(u->mixer_path);
pa_assert(u->mixer_handle);
/* Shift up by the base volume */
- pa_sw_cvolume_divide_scalar(&r, &s->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, TRUE) < 0)
+ if (pa_alsa_path_set_volume(u->mixer_path, u->mixer_handle, &s->channel_map, &r, sync_volume, !sync_volume) < 0)
return;
/* Shift down by the base volume, so that 0dB becomes maximum volume */
if (u->mixer_path->has_dB) {
pa_cvolume new_soft_volume;
pa_bool_t accurate_enough;
+ char vol_str_db[PA_SW_CVOLUME_SNPRINT_DB_MAX];
/* Match exactly what the user requested by software */
- pa_sw_cvolume_divide(&new_soft_volume, &s->volume, &u->hardware_volume);
+ pa_sw_cvolume_divide(&new_soft_volume, &s->real_volume, &u->hardware_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
(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 (accurate-enough=%s)", pa_cvolume_snprint(t, sizeof(t), &new_soft_volume),
+ pa_log_debug("Requested volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &s->real_volume));
+ pa_log_debug(" in dB: %s", pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &s->real_volume));
+ pa_log_debug("Got hardware volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &u->hardware_volume));
+ pa_log_debug(" in dB: %s", pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &u->hardware_volume));
+ pa_log_debug("Calculated software volume: %s (accurate-enough=%s)",
+ pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &new_soft_volume),
pa_yes_no(accurate_enough));
+ pa_log_debug(" in dB: %s", pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &new_soft_volume));
if (!accurate_enough)
s->soft_volume = new_soft_volume;
} else {
- pa_log_debug("Wrote hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &r));
+ pa_log_debug("Wrote hardware volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &r));
/* We can't match exactly what the user requested, hence let's
* at least tell the user about it */
- s->volume = r;
+ s->real_volume = r;
+ }
+}
+
+static void source_write_volume_cb(pa_source *s) {
+ struct userdata *u = s->userdata;
+ pa_cvolume hw_vol = s->thread_info.current_hw_volume;
+
+ pa_assert(u);
+ pa_assert(u->mixer_path);
+ pa_assert(u->mixer_handle);
+ pa_assert(s->flags & PA_SOURCE_SYNC_VOLUME);
+
+ /* Shift up by the base volume */
+ pa_sw_cvolume_divide_scalar(&hw_vol, &hw_vol, s->base_volume);
+
+ if (pa_alsa_path_set_volume(u->mixer_path, u->mixer_handle, &s->channel_map, &hw_vol, TRUE, TRUE) < 0)
+ pa_log_error("Writing HW volume failed");
+ else {
+ pa_cvolume tmp_vol;
+ pa_bool_t accurate_enough;
+
+ /* Shift down by the base volume, so that 0dB becomes maximum volume */
+ pa_sw_cvolume_multiply_scalar(&hw_vol, &hw_vol, s->base_volume);
+
+ pa_sw_cvolume_divide(&tmp_vol, &hw_vol, &s->thread_info.current_hw_volume);
+ accurate_enough =
+ (pa_cvolume_min(&tmp_vol) >= (PA_VOLUME_NORM - VOLUME_ACCURACY)) &&
+ (pa_cvolume_max(&tmp_vol) <= (PA_VOLUME_NORM + VOLUME_ACCURACY));
+
+ if (!accurate_enough) {
+ union {
+ char db[2][PA_SW_CVOLUME_SNPRINT_DB_MAX];
+ char pcnt[2][PA_CVOLUME_SNPRINT_MAX];
+ } vol;
+
+ pa_log_debug("Written HW volume did not match with the request: %s (request) != %s",
+ pa_cvolume_snprint(vol.pcnt[0], sizeof(vol.pcnt[0]), &s->thread_info.current_hw_volume),
+ pa_cvolume_snprint(vol.pcnt[1], sizeof(vol.pcnt[1]), &hw_vol));
+ pa_log_debug(" in dB: %s (request) != %s",
+ pa_sw_cvolume_snprint_dB(vol.db[0], sizeof(vol.db[0]), &s->thread_info.current_hw_volume),
+ pa_sw_cvolume_snprint_dB(vol.db[1], sizeof(vol.db[1]), &hw_vol));
+ }
}
}
static void source_update_requested_latency_cb(pa_source *s) {
struct userdata *u = s->userdata;
pa_assert(u);
- pa_assert(u->use_tsched);
+ pa_assert(u->use_tsched); /* only when timer scheduling is used
+ * we can dynamically adjust the
+ * latency */
if (!u->pcm_handle)
return;
for (;;) {
int ret;
+ pa_usec_t rtpoll_sleep = 0;
#ifdef DEBUG_TIMING
pa_log_debug("Loop");
/* pa_log_debug("Waking up in %0.2fms (system clock).", (double) cusec / PA_USEC_PER_MSEC); */
/* We don't trust the conversion, so we wake up whatever comes first */
- pa_rtpoll_set_timer_relative(u->rtpoll, PA_MIN(sleep_usec, cusec));
+ rtpoll_sleep = PA_MIN(sleep_usec, cusec);
}
- } else if (u->use_tsched)
+ }
- /* OK, we're in an invalid state, let's disable our timers */
+ if (u->source->flags & PA_SOURCE_SYNC_VOLUME) {
+ pa_usec_t volume_sleep;
+ pa_source_volume_change_apply(u->source, &volume_sleep);
+ if (volume_sleep > 0)
+ rtpoll_sleep = PA_MIN(volume_sleep, rtpoll_sleep);
+ }
+
+ if (rtpoll_sleep > 0)
+ pa_rtpoll_set_timer_relative(u->rtpoll, rtpoll_sleep);
+ else
pa_rtpoll_set_timer_disabled(u->rtpoll);
/* Hmm, nothing to do. Let's sleep */
if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
goto fail;
+ if (u->source->flags & PA_SOURCE_SYNC_VOLUME)
+ pa_source_volume_change_apply(u->source, NULL);
+
if (ret == 0)
goto finish;
goto fail;
u->first = TRUE;
- } else if (revents && u->use_tsched && pa_log_ratelimit())
+ } else if (revents && u->use_tsched && pa_log_ratelimit(PA_LOG_DEBUG))
pa_log_debug("Wakeup from ALSA!");
} else
}
}
-static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) {
+static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB, pa_bool_t sync_volume) {
pa_assert(u);
if (!u->mixer_handle)
u->source->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
u->source->n_volume_steps = PA_VOLUME_NORM+1;
- if (u->mixer_path->max_dB > 0.0)
- pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->source->base_volume));
- else
- pa_log_info("No particular base volume set, fixing to 0 dB");
+ pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->source->base_volume));
} else {
pa_log_info("Hardware volume ranges from %li to %li.", u->mixer_path->min_volume, u->mixer_path->max_volume);
u->source->get_volume = source_get_volume_cb;
u->source->set_volume = source_set_volume_cb;
+ u->source->write_volume = source_write_volume_cb;
+
+ u->source->flags |= PA_SOURCE_HW_VOLUME_CTRL;
+ if (u->mixer_path->has_dB) {
+ u->source->flags |= PA_SOURCE_DECIBEL_VOLUME;
+ if (sync_volume) {
+ u->source->flags |= PA_SOURCE_SYNC_VOLUME;
+ pa_log_info("Successfully enabled synchronous volume.");
+ }
+ }
- u->source->flags |= PA_SOURCE_HW_VOLUME_CTRL | (u->mixer_path->has_dB ? PA_SOURCE_DECIBEL_VOLUME : 0);
pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->mixer_path->has_dB ? "supported" : "not supported");
}
pa_log_info("Using hardware mute control.");
}
- u->mixer_fdl = pa_alsa_fdlist_new();
+ if (u->source->flags & (PA_SOURCE_HW_VOLUME_CTRL|PA_SOURCE_HW_MUTE_CTRL)) {
+ int (*mixer_callback)(snd_mixer_elem_t *, unsigned int);
+ if (u->source->flags & PA_SOURCE_SYNC_VOLUME) {
+ u->mixer_pd = pa_alsa_mixer_pdata_new();
+ mixer_callback = io_mixer_callback;
- if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, u->core->mainloop) < 0) {
- pa_log("Failed to initialize file descriptor monitoring");
- return -1;
- }
+ if (pa_alsa_set_mixer_rtpoll(u->mixer_pd, u->mixer_handle, u->rtpoll) < 0) {
+ pa_log("Failed to initialize file descriptor monitoring");
+ return -1;
+ }
+ } else {
+ u->mixer_fdl = pa_alsa_fdlist_new();
+ mixer_callback = ctl_mixer_callback;
- if (u->mixer_path_set)
- pa_alsa_path_set_set_callback(u->mixer_path_set, u->mixer_handle, mixer_callback, u);
- else
- pa_alsa_path_set_callback(u->mixer_path, u->mixer_handle, mixer_callback, u);
+ if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, u->core->mainloop) < 0) {
+ pa_log("Failed to initialize file descriptor monitoring");
+ return -1;
+ }
+ }
+
+ if (u->mixer_path_set)
+ pa_alsa_path_set_set_callback(u->mixer_path_set, u->mixer_handle, mixer_callback, u);
+ else
+ pa_alsa_path_set_callback(u->mixer_path, u->mixer_handle, mixer_callback, u);
+ }
return 0;
}
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;
+ pa_bool_t use_mmap = TRUE, b, use_tsched = TRUE, d, ignore_dB = FALSE, namereg_fail = FALSE, sync_volume = FALSE;
pa_source_new_data data;
pa_alsa_profile_set *profile_set = NULL;
ss = m->core->default_sample_spec;
map = m->core->default_channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_ALSA) < 0) {
- pa_log("Failed to parse sample specification");
+ pa_log("Failed to parse sample specification and channel map");
goto fail;
}
}
if (pa_modargs_get_value_boolean(ma, "tsched", &use_tsched) < 0) {
- pa_log("Failed to parse timer_scheduling argument.");
+ pa_log("Failed to parse tsched argument.");
goto fail;
}
goto fail;
}
+ sync_volume = m->core->sync_volume;
+ if (pa_modargs_get_value_boolean(ma, "sync_volume", &sync_volume) < 0) {
+ pa_log("Failed to parse sync_volume argument.");
+ goto fail;
+ }
+
use_tsched = pa_alsa_may_tsched(use_tsched);
u = pa_xnew0(struct userdata, 1);
goto fail;
}
+ if (pa_modargs_get_value_u32(ma, "sync_volume_safety_margin",
+ &u->source->thread_info.volume_change_safety_margin) < 0) {
+ pa_log("Failed to parse sync_volume_safety_margin parameter");
+ goto fail;
+ }
+
+ if (pa_modargs_get_value_s32(ma, "sync_volume_extra_delay",
+ &u->source->thread_info.volume_change_extra_delay) < 0) {
+ pa_log("Failed to parse sync_volume_extra_delay parameter");
+ goto fail;
+ }
+
u->source->parent.process_msg = source_process_msg;
if (u->use_tsched)
u->source->update_requested_latency = source_update_requested_latency_cb;
if (update_sw_params(u) < 0)
goto fail;
- if (setup_mixer(u, ignore_dB) < 0)
+ if (setup_mixer(u, ignore_dB, sync_volume) < 0)
goto fail;
pa_alsa_dump(PA_LOG_DEBUG, u->pcm_handle);
pa_log("Failed to create thread.");
goto fail;
}
+
/* Get initial mixer settings */
if (data.volume_is_set) {
if (u->source->set_volume)
if (u->source)
pa_source_unref(u->source);
+ if (u->mixer_pd)
+ pa_alsa_mixer_pdata_free(u->mixer_pd);
+
if (u->alsa_rtpoll_item)
pa_rtpoll_item_free(u->alsa_rtpoll_item);