#include <valgrind/memcheck.h>
#endif
-#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 <pulse/internal.h>
#include <pulsecore/core.h>
+#include <pulsecore/i18n.h>
#include <pulsecore/module.h>
#include <pulsecore/memchunk.h>
#include <pulsecore/sink.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>
#define TSCHED_WATERMARK_INC_STEP_USEC (10*PA_USEC_PER_MSEC) /* 10ms -- On underrun, increase watermark by this */
#define TSCHED_WATERMARK_DEC_STEP_USEC (5*PA_USEC_PER_MSEC) /* 5ms -- When everything's great, decrease watermark by this */
#define TSCHED_WATERMARK_VERIFY_AFTER_USEC (20*PA_USEC_PER_SEC) /* 20s -- How long after a drop out recheck if things are good now */
-#define TSCHED_WATERMARK_INC_THRESHOLD_USEC (0*PA_USEC_PER_MSEC) /* 0ms -- If the buffer level ever below this theshold, increase the watermark */
-#define TSCHED_WATERMARK_DEC_THRESHOLD_USEC (100*PA_USEC_PER_MSEC) /* 100ms -- If the buffer level didn't drop below this theshold in the verification time, decrease the watermark */
+#define TSCHED_WATERMARK_INC_THRESHOLD_USEC (0*PA_USEC_PER_MSEC) /* 0ms -- If the buffer level ever below this threshold, increase the watermark */
+#define TSCHED_WATERMARK_DEC_THRESHOLD_USEC (100*PA_USEC_PER_MSEC) /* 100ms -- If the buffer level didn't drop below this threshold in the verification time, decrease the watermark */
-/* Note that TSCHED_WATERMARK_INC_THRESHOLD_USEC == 0 means tht we
+/* Note that TSCHED_WATERMARK_INC_THRESHOLD_USEC == 0 means that we
* will increase the watermark only if we hit a real underrun. */
#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 SMOOTHER_WINDOW_USEC (10*PA_USEC_PER_SEC) /* 10s -- smoother windows size */
+#define SMOOTHER_ADJUST_USEC (1*PA_USEC_PER_SEC) /* 1s -- smoother adjust time */
+
#define SMOOTHER_MIN_INTERVAL (2*PA_USEC_PER_MSEC) /* 2ms -- min smoother update interval */
#define SMOOTHER_MAX_INTERVAL (200*PA_USEC_PER_MSEC) /* 200ms -- max smoother update interval */
#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 */
+#define DEFAULT_REWIND_SAFEGUARD_BYTES (256U) /* 1.33ms @48kHz, we'll never rewind less than this */
+#define DEFAULT_REWIND_SAFEGUARD_USEC (1330) /* 1.33ms, depending on channels/rate/sample we may rewind more than 256 above */
+
struct userdata {
pa_core *core;
pa_module *module;
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_cvolume hardware_volume;
+ uint32_t old_rate;
+
size_t
frame_size,
fragment_size,
watermark_inc_step,
watermark_dec_step,
watermark_inc_threshold,
- watermark_dec_threshold;
+ watermark_dec_threshold,
+ rewind_safeguard;
pa_usec_t watermark_dec_not_before;
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;
+ pa_bool_t use_mmap:1, use_tsched:1, deferred_volume:1;
pa_bool_t first, after_rewind;
pa_usec_t smoother_interval;
pa_usec_t last_smoother_update;
+ pa_idxset *formats;
+
pa_reserve_wrapper *reserve;
pa_hook_slot *reserve_slot;
pa_reserve_monitor_wrapper *monitor;
static void userdata_free(struct userdata *u);
+/* FIXME: Is there a better way to do this than device names? */
+static pa_bool_t is_iec958(struct userdata *u) {
+ return (strncmp("iec958", u->device_name, 6) == 0);
+}
+
+static pa_bool_t is_hdmi(struct userdata *u) {
+ return (strncmp("hdmi", u->device_name, 4) == 0);
+}
+
static pa_hook_result_t reserve_cb(pa_reserve_wrapper *r, void *forced, struct userdata *u) {
pa_assert(r);
pa_assert(u);
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);
#endif
if (!u->first && !u->after_rewind)
- if (pa_log_ratelimit())
+ if (pa_log_ratelimit(PA_LOG_INFO))
pa_log_info("Underrun!");
}
}
static int mmap_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled, pa_bool_t on_timeout) {
- pa_bool_t work_done = TRUE;
+ pa_bool_t work_done = FALSE;
pa_usec_t max_sleep_usec = 0, process_usec = 0;
size_t left_to_play;
unsigned j = 0;
}
/* Make sure that if these memblocks need to be copied they will fit into one slot */
- if (frames > pa_mempool_block_size_max(u->sink->core->mempool)/u->frame_size)
- frames = pa_mempool_block_size_max(u->sink->core->mempool)/u->frame_size;
+ if (frames > pa_mempool_block_size_max(u->core->mempool)/u->frame_size)
+ frames = pa_mempool_block_size_max(u->core->mempool)/u->frame_size;
if (!after_avail && frames == 0)
break;
if (PA_UNLIKELY((sframes = snd_pcm_mmap_commit(u->pcm_handle, offset, frames)) < 0)) {
+ if (!after_avail && (int) sframes == -EAGAIN)
+ break;
+
if ((r = try_recover(u, "snd_pcm_mmap_commit", (int) sframes)) == 0)
continue;
}
}
- *sleep_usec = pa_bytes_to_usec(left_to_play, &u->sink->sample_spec);
+ if (u->use_tsched) {
+ *sleep_usec = pa_bytes_to_usec(left_to_play, &u->sink->sample_spec);
+ process_usec = pa_bytes_to_usec(u->tsched_watermark, &u->sink->sample_spec);
- if (*sleep_usec > process_usec)
- *sleep_usec -= process_usec;
- else
+ if (*sleep_usec > process_usec)
+ *sleep_usec -= process_usec;
+ else
+ *sleep_usec = 0;
+ } else
*sleep_usec = 0;
return work_done ? 1 : 0;
}
}
- *sleep_usec = pa_bytes_to_usec(left_to_play, &u->sink->sample_spec);
+ if (u->use_tsched) {
+ *sleep_usec = pa_bytes_to_usec(left_to_play, &u->sink->sample_spec);
+ process_usec = pa_bytes_to_usec(u->tsched_watermark, &u->sink->sample_spec);
- if (*sleep_usec > process_usec)
- *sleep_usec -= process_usec;
- else
+ if (*sleep_usec > process_usec)
+ *sleep_usec -= process_usec;
+ else
+ *sleep_usec = 0;
+ } else
*sleep_usec = 0;
return work_done ? 1 : 0;
/* Let's update the time smoother */
- if (PA_UNLIKELY((err = pa_alsa_safe_delay(u->pcm_handle, &delay, u->hwbuf_size, &u->sink->sample_spec)) < 0)) {
+ if (PA_UNLIKELY((err = pa_alsa_safe_delay(u->pcm_handle, &delay, u->hwbuf_size, &u->sink->sample_spec, FALSE)) < 0)) {
pa_log_warn("Failed to query DSP status data: %s", pa_alsa_strerror(err));
return;
}
pa_assert(u);
- /* Use the full buffer if noone asked us for anything specific */
+ /* Use the full buffer if no one asked us for anything specific */
u->hwbuf_unused = 0;
if (u->use_tsched) {
}
pa_sink_set_max_request_within_thread(u->sink, u->hwbuf_size - u->hwbuf_unused);
- pa_sink_set_max_rewind_within_thread(u->sink, u->hwbuf_size);
+ if (pa_alsa_pcm_is_hw(u->pcm_handle))
+ pa_sink_set_max_rewind_within_thread(u->sink, u->hwbuf_size);
+ else {
+ pa_log_info("Disabling rewind_within_thread for device %s", u->device_name);
+ pa_sink_set_max_rewind_within_thread(u->sink, 0);
+ }
return 0;
}
int err;
pa_bool_t b, d;
snd_pcm_uframes_t period_size, buffer_size;
+ char *device_name = NULL;
pa_assert(u);
pa_assert(!u->pcm_handle);
pa_log_info("Trying resume...");
- if ((err = snd_pcm_open(&u->pcm_handle, u->device_name, SND_PCM_STREAM_PLAYBACK,
+ if ((is_iec958(u) || is_hdmi(u)) && pa_sink_is_passthrough(u->sink)) {
+ /* Need to open device in NONAUDIO mode */
+ int len = strlen(u->device_name) + 8;
+
+ device_name = pa_xmalloc(len);
+ pa_snprintf(device_name, len, "%s,AES0=6", u->device_name);
+ }
+
+ if ((err = snd_pcm_open(&u->pcm_handle, device_name ? device_name : u->device_name, SND_PCM_STREAM_PLAYBACK,
SND_PCM_NONBLOCK|
SND_PCM_NO_AUTO_RESAMPLE|
SND_PCM_NO_AUTO_CHANNELS|
pa_log_info("Resumed successfully...");
+ pa_xfree(device_name);
return 0;
fail:
u->pcm_handle = NULL;
}
+ pa_xfree(device_name);
+
return -PA_ERR_IO;
}
switch (code) {
+ case PA_SINK_MESSAGE_FINISH_MOVE:
+ case PA_SINK_MESSAGE_ADD_INPUT: {
+ pa_sink_input *i = PA_SINK_INPUT(data);
+ int r = 0;
+
+ if (PA_LIKELY(!pa_sink_input_is_passthrough(i)))
+ break;
+
+ u->old_rate = u->sink->sample_spec.rate;
+
+ /* Passthrough format, see if we need to reset sink sample rate */
+ if (u->sink->sample_spec.rate == i->thread_info.sample_spec.rate)
+ break;
+
+ /* .. we do */
+ if ((r = suspend(u)) < 0)
+ return r;
+
+ u->sink->sample_spec.rate = i->thread_info.sample_spec.rate;
+
+ if ((r = unsuspend(u)) < 0)
+ return r;
+
+ break;
+ }
+
+ case PA_SINK_MESSAGE_START_MOVE:
+ case PA_SINK_MESSAGE_REMOVE_INPUT: {
+ pa_sink_input *i = PA_SINK_INPUT(data);
+ int r = 0;
+
+ if (PA_LIKELY(!pa_sink_input_is_passthrough(i)))
+ break;
+
+ /* Passthrough format, see if we need to reset sink sample rate */
+ if (u->sink->sample_spec.rate == u->old_rate)
+ break;
+
+ /* .. we do */
+ if (PA_SINK_IS_OPENED(u->sink->thread_info.state) && ((r = suspend(u)) < 0))
+ return r;
+
+ u->sink->sample_spec.rate = u->old_rate;
+
+ if (PA_SINK_IS_OPENED(u->sink->thread_info.state) && ((r = unsuspend(u)) < 0))
+ return r;
+
+ break;
+ }
+
case PA_SINK_MESSAGE_GET_LATENCY: {
pa_usec_t r = 0;
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->sink->suspend_cause & PA_SUSPEND_SESSION)
+ return 0;
+
+ if (mask & SND_CTL_EVENT_MASK_VALUE)
+ pa_sink_update_volume_and_mute(u->sink);
+
+ return 0;
+}
+
static void sink_get_volume_cb(pa_sink *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;
static void sink_set_volume_cb(pa_sink *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 deferred_volume = !!(s->flags & PA_SINK_DEFERRED_VOLUME);
pa_assert(u);
pa_assert(u->mixer_path);
/* Shift up by the 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)
+ if (pa_alsa_path_set_volume(u->mixer_path, u->mixer_handle, &s->channel_map, &r, deferred_volume, !deferred_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->real_volume, &u->hardware_volume);
(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 (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 */
}
}
+static void sink_write_volume_cb(pa_sink *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_SINK_DEFERRED_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 sink_get_mute_cb(pa_sink *s) {
struct userdata *u = s->userdata;
pa_bool_t b;
pa_alsa_path_set_mute(u->mixer_path, u->mixer_handle, s->muted);
}
+static void mixer_volume_init(struct userdata *u) {
+ pa_assert(u);
+
+ if (!u->mixer_path->has_volume) {
+ pa_sink_set_write_volume_callback(u->sink, NULL);
+ pa_sink_set_get_volume_callback(u->sink, NULL);
+ pa_sink_set_set_volume_callback(u->sink, NULL);
+
+ pa_log_info("Driver does not support hardware volume control, falling back to software volume control.");
+ } else {
+ pa_sink_set_get_volume_callback(u->sink, sink_get_volume_cb);
+ pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb);
+
+ if (u->mixer_path->has_dB && u->deferred_volume) {
+ pa_sink_set_write_volume_callback(u->sink, sink_write_volume_cb);
+ pa_log_info("Successfully enabled synchronous volume.");
+ } else
+ pa_sink_set_write_volume_callback(u->sink, NULL);
+
+ if (u->mixer_path->has_dB) {
+ pa_sink_enable_decibel_volume(u->sink, TRUE);
+ pa_log_info("Hardware volume ranges from %0.2f dB to %0.2f dB.", u->mixer_path->min_dB, u->mixer_path->max_dB);
+
+ u->sink->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
+ u->sink->n_volume_steps = PA_VOLUME_NORM+1;
+
+ pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(u->sink->base_volume));
+ } else {
+ pa_sink_enable_decibel_volume(u->sink, FALSE);
+ pa_log_info("Hardware volume ranges from %li to %li.", u->mixer_path->min_volume, u->mixer_path->max_volume);
+
+ u->sink->base_volume = PA_VOLUME_NORM;
+ u->sink->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
+ }
+
+ pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->mixer_path->has_dB ? "supported" : "not supported");
+ }
+
+ if (!u->mixer_path->has_mute) {
+ pa_sink_set_get_mute_callback(u->sink, NULL);
+ pa_sink_set_set_mute_callback(u->sink, NULL);
+ pa_log_info("Driver does not support hardware mute control, falling back to software mute control.");
+ } else {
+ pa_sink_set_get_mute_callback(u->sink, sink_get_mute_cb);
+ pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb);
+ pa_log_info("Using hardware mute control.");
+ }
+}
+
static int sink_set_port_cb(pa_sink *s, pa_device_port *p) {
struct userdata *u = s->userdata;
pa_alsa_port_data *data;
pa_assert_se(u->mixer_path = data->path);
pa_alsa_path_select(u->mixer_path, u->mixer_handle);
- if (u->mixer_path->has_volume && u->mixer_path->has_dB) {
- s->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
- s->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(s->base_volume));
- else
- pa_log_info("No particular base volume set, fixing to 0 dB");
- } else {
- s->base_volume = PA_VOLUME_NORM;
- s->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
- }
+ mixer_volume_init(u);
if (data->setting)
pa_alsa_setting_select(data->setting, u->mixer_handle);
struct userdata *u = s->userdata;
size_t before;
pa_assert(u);
+ pa_assert(u->use_tsched); /* only when timer scheduling is used
+ * we can dynamically adjust the
+ * latency */
if (!u->pcm_handle)
return;
}
}
+static pa_idxset* sink_get_formats(pa_sink *s) {
+ struct userdata *u = s->userdata;
+ pa_idxset *ret = pa_idxset_new(NULL, NULL);
+ pa_format_info *f;
+ uint32_t idx;
+
+ pa_assert(u);
+
+ PA_IDXSET_FOREACH(f, u->formats, idx) {
+ pa_idxset_put(ret, pa_format_info_copy(f), NULL);
+ }
+
+ return ret;
+}
+
+static pa_bool_t sink_set_formats(pa_sink *s, pa_idxset *formats) {
+ struct userdata *u = s->userdata;
+ pa_format_info *f;
+ uint32_t idx;
+
+ pa_assert(u);
+
+ /* FIXME: also validate sample rates against what the device supports */
+ PA_IDXSET_FOREACH(f, formats, idx) {
+ if (is_iec958(u) && f->encoding == PA_ENCODING_EAC3_IEC61937)
+ /* EAC3 cannot be sent over over S/PDIF */
+ return FALSE;
+ }
+
+ pa_idxset_free(u->formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
+ u->formats = pa_idxset_new(NULL, NULL);
+
+ PA_IDXSET_FOREACH(f, formats, idx) {
+ pa_idxset_put(u->formats, pa_format_info_copy(f), NULL);
+ }
+
+ return TRUE;
+}
+
static int process_rewind(struct userdata *u) {
snd_pcm_sframes_t unused;
size_t rewind_nbytes, unused_nbytes, limit_nbytes;
return -1;
}
- unused_nbytes = u->tsched_watermark + (size_t) unused * u->frame_size;
+ unused_nbytes = (size_t) unused * u->frame_size;
+
+ /* make sure rewind doesn't go too far, can cause issues with DMAs */
+ unused_nbytes += u->rewind_safeguard;
if (u->hwbuf_size > unused_nbytes)
limit_nbytes = u->hwbuf_size - unused_nbytes;
for (;;) {
int ret;
+ pa_usec_t rtpoll_sleep = 0;
#ifdef DEBUG_TIMING
pa_log_debug("Loop");
snd_pcm_start(u->pcm_handle);
pa_smoother_resume(u->smoother, pa_rtclock_now(), TRUE);
+
+ u->first = FALSE;
}
update_smoother(u);
* we have filled the buffer at least once
* completely.*/
- if (pa_log_ratelimit())
+ if (pa_log_ratelimit(PA_LOG_DEBUG))
pa_log_debug("Cutting sleep time for the initial iterations by half.");
sleep_usec /= 2;
}
/* 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);
}
- u->first = FALSE;
u->after_rewind = FALSE;
- } else if (u->use_tsched)
+ }
+
+ if (u->sink->flags & PA_SINK_DEFERRED_VOLUME) {
+ pa_usec_t volume_sleep;
+ pa_sink_volume_change_apply(u->sink, &volume_sleep);
+ if (volume_sleep > 0)
+ rtpoll_sleep = PA_MIN(volume_sleep, rtpoll_sleep);
+ }
- /* OK, we're in an invalid state, let's disable our timers */
+ 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->sink->flags & PA_SINK_DEFERRED_VOLUME)
+ pa_sink_volume_change_apply(u->sink, NULL);
+
if (ret == 0)
goto finish;
u->first = TRUE;
u->since_start = 0;
- } else if (revents && u->use_tsched && pa_log_ratelimit())
+ revents = 0;
+ } else if (revents && u->use_tsched && pa_log_ratelimit(PA_LOG_DEBUG))
pa_log_debug("Wakeup from ALSA!");
} else
goto fail;
pa_alsa_path_set_probe(u->mixer_path_set, u->mixer_handle, ignore_dB);
-
- pa_log_debug("Probed mixer paths:");
- pa_alsa_path_set_dump(u->mixer_path_set);
}
return;
}
}
+
static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) {
+ pa_bool_t need_mixer_callback = FALSE;
+
pa_assert(u);
if (!u->mixer_handle)
return 0;
}
- if (!u->mixer_path->has_volume)
- pa_log_info("Driver does not support hardware volume control, falling back to software volume control.");
- else {
+ mixer_volume_init(u);
- if (u->mixer_path->has_dB) {
- pa_log_info("Hardware volume ranges from %0.2f dB to %0.2f dB.", u->mixer_path->min_dB, u->mixer_path->max_dB);
+ /* Will we need to register callbacks? */
+ if (u->mixer_path_set && u->mixer_path_set->paths) {
+ pa_alsa_path *p;
- u->sink->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
- u->sink->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->sink->base_volume));
- else
- pa_log_info("No particular base volume set, fixing to 0 dB");
-
- } else {
- pa_log_info("Hardware volume ranges from %li to %li.", u->mixer_path->min_volume, u->mixer_path->max_volume);
- u->sink->base_volume = PA_VOLUME_NORM;
- u->sink->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
+ PA_LLIST_FOREACH(p, u->mixer_path_set->paths) {
+ if (p->has_volume || p->has_mute)
+ need_mixer_callback = TRUE;
}
-
- u->sink->get_volume = sink_get_volume_cb;
- u->sink->set_volume = sink_set_volume_cb;
-
- u->sink->flags |= PA_SINK_HW_VOLUME_CTRL | (u->mixer_path->has_dB ? PA_SINK_DECIBEL_VOLUME : 0);
- pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->mixer_path->has_dB ? "supported" : "not supported");
}
+ else if (u->mixer_path)
+ need_mixer_callback = u->mixer_path->has_volume || u->mixer_path->has_mute;
- if (!u->mixer_path->has_mute) {
- pa_log_info("Driver does not support hardware mute control, falling back to software mute control.");
- } else {
- u->sink->get_mute = sink_get_mute_cb;
- u->sink->set_mute = sink_set_mute_cb;
- u->sink->flags |= PA_SINK_HW_MUTE_CTRL;
- pa_log_info("Using hardware mute control.");
- }
+ if (need_mixer_callback) {
+ int (*mixer_callback)(snd_mixer_elem_t *, unsigned int);
+ if (u->sink->flags & PA_SINK_DEFERRED_VOLUME) {
+ u->mixer_pd = pa_alsa_mixer_pdata_new();
+ mixer_callback = io_mixer_callback;
- u->mixer_fdl = pa_alsa_fdlist_new();
+ 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 (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_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);
+ 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;
}
const char *dev_id = NULL;
pa_sample_spec ss, requested_ss;
pa_channel_map map;
- uint32_t nfrags, frag_size, buffer_size, tsched_size, tsched_watermark;
+ uint32_t nfrags, frag_size, buffer_size, tsched_size, tsched_watermark, rewind_safeguard;
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;
+ pa_bool_t use_mmap = TRUE, b, use_tsched = TRUE, d, ignore_dB = FALSE, namereg_fail = FALSE, deferred_volume = FALSE, set_formats = FALSE;
pa_sink_new_data data;
pa_alsa_profile_set *profile_set = NULL;
goto fail;
}
+ rewind_safeguard = PA_MAX(DEFAULT_REWIND_SAFEGUARD_BYTES, pa_usec_to_bytes(DEFAULT_REWIND_SAFEGUARD_USEC, &ss));
+ if (pa_modargs_get_value_u32(ma, "rewind_safeguard", &rewind_safeguard) < 0) {
+ pa_log("Failed to parse rewind_safeguard argument");
+ goto fail;
+ }
+
+ deferred_volume = m->core->deferred_volume;
+ if (pa_modargs_get_value_boolean(ma, "deferred_volume", &deferred_volume) < 0) {
+ pa_log("Failed to parse deferred_volume argument.");
+ goto fail;
+ }
+
use_tsched = pa_alsa_may_tsched(use_tsched);
u = pa_xnew0(struct userdata, 1);
u->module = m;
u->use_mmap = use_mmap;
u->use_tsched = use_tsched;
+ u->deferred_volume = deferred_volume;
u->first = TRUE;
+ u->rewind_safeguard = rewind_safeguard;
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
u->smoother = pa_smoother_new(
- DEFAULT_TSCHED_BUFFER_USEC*2,
- DEFAULT_TSCHED_BUFFER_USEC*2,
+ SMOOTHER_ADJUST_USEC,
+ SMOOTHER_WINDOW_USEC,
TRUE,
TRUE,
5,
SND_PCM_STREAM_PLAYBACK,
&period_frames, &buffer_frames, tsched_frames,
&b, &d, mapping)))
-
goto fail;
} else if ((dev_id = pa_modargs_get_value(ma, "device_id", NULL))) {
SND_PCM_STREAM_PLAYBACK,
&period_frames, &buffer_frames, tsched_frames,
&b, &d, profile_set, &mapping)))
-
goto fail;
} else {
if (u->use_tsched)
pa_log_info("Successfully enabled timer-based scheduling mode.");
+ if (is_iec958(u) || is_hdmi(u))
+ set_formats = TRUE;
+
/* ALSA might tweak the sample spec, so recalculate the frame size */
frame_size = pa_frame_size(&ss);
data.module = m;
data.card = card;
set_sink_name(&data, ma, dev_id, u->device_name, mapping);
+
+ /* We need to give pa_modargs_get_value_boolean() a pointer to a local
+ * variable instead of using &data.namereg_fail directly, because
+ * data.namereg_fail is a bitfield and taking the address of a bitfield
+ * variable is impossible. */
+ namereg_fail = data.namereg_fail;
+ if (pa_modargs_get_value_boolean(ma, "namereg_fail", &namereg_fail) < 0) {
+ pa_log("Failed to parse namereg_fail argument.");
+ pa_sink_new_data_done(&data);
+ goto fail;
+ }
+ data.namereg_fail = namereg_fail;
+
pa_sink_new_data_set_sample_spec(&data, &ss);
pa_sink_new_data_set_channel_map(&data, &map);
if (u->mixer_path_set)
pa_alsa_add_ports(&data.ports, u->mixer_path_set);
- u->sink = pa_sink_new(m->core, &data, PA_SINK_HARDWARE|PA_SINK_LATENCY|(u->use_tsched ? PA_SINK_DYNAMIC_LATENCY : 0));
+ u->sink = pa_sink_new(m->core, &data, PA_SINK_HARDWARE | PA_SINK_LATENCY | (u->use_tsched ? PA_SINK_DYNAMIC_LATENCY : 0) |
+ (set_formats ? PA_SINK_SET_FORMATS : 0));
pa_sink_new_data_done(&data);
if (!u->sink) {
goto fail;
}
+ if (pa_modargs_get_value_u32(ma, "deferred_volume_safety_margin",
+ &u->sink->thread_info.volume_change_safety_margin) < 0) {
+ pa_log("Failed to parse deferred_volume_safety_margin parameter");
+ goto fail;
+ }
+
+ if (pa_modargs_get_value_s32(ma, "deferred_volume_extra_delay",
+ &u->sink->thread_info.volume_change_extra_delay) < 0) {
+ pa_log("Failed to parse deferred_volume_extra_delay parameter");
+ goto fail;
+ }
+
u->sink->parent.process_msg = sink_process_msg;
- u->sink->update_requested_latency = sink_update_requested_latency_cb;
+ if (u->use_tsched)
+ u->sink->update_requested_latency = sink_update_requested_latency_cb;
u->sink->set_state = sink_set_state_cb;
u->sink->set_port = sink_set_port_cb;
u->sink->userdata = u;
(double) pa_bytes_to_usec(u->hwbuf_size, &ss) / PA_USEC_PER_MSEC);
pa_sink_set_max_request(u->sink, u->hwbuf_size);
- pa_sink_set_max_rewind(u->sink, u->hwbuf_size);
+ if (pa_alsa_pcm_is_hw(u->pcm_handle))
+ pa_sink_set_max_rewind(u->sink, u->hwbuf_size);
+ else {
+ pa_log_info("Disabling rewind for device %s", u->device_name);
+ pa_sink_set_max_rewind(u->sink, 0);
+ }
if (u->use_tsched) {
u->tsched_watermark = pa_usec_to_bytes_round_up(pa_bytes_to_usec_round_up(tsched_watermark, &requested_ss), &u->sink->sample_spec);
} else
pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(u->hwbuf_size, &ss));
-
reserve_update(u);
if (update_sw_params(u) < 0)
pa_alsa_dump(PA_LOG_DEBUG, u->pcm_handle);
- if (!(u->thread = pa_thread_new(thread_func, u))) {
+ if (!(u->thread = pa_thread_new("alsa-sink", thread_func, u))) {
pa_log("Failed to create thread.");
goto fail;
}
u->sink->get_mute(u->sink);
}
+ if ((data.volume_is_set || data.muted_is_set) && u->sink->write_volume)
+ u->sink->write_volume(u->sink);
+
+ if (set_formats) {
+ /* For S/PDIF and HDMI, allow getting/setting custom formats */
+ pa_format_info *format;
+
+ /* To start with, we only support PCM formats. Other formats may be added
+ * with pa_sink_set_formats().*/
+ format = pa_format_info_new();
+ format->encoding = PA_ENCODING_PCM;
+ u->formats = pa_idxset_new(NULL, NULL);
+ pa_idxset_put(u->formats, format, NULL);
+
+ u->sink->get_formats = sink_get_formats;
+ u->sink->set_formats = sink_set_formats;
+ }
+
pa_sink_put(u->sink);
if (profile_set)
if (u->memchunk.memblock)
pa_memblock_unref(u->memchunk.memblock);
+ 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);
if (u->smoother)
pa_smoother_free(u->smoother);
+ if (u->formats)
+ pa_idxset_free(u->formats, (pa_free2_cb_t) pa_format_info_free2, NULL);
+
reserve_done(u);
monitor_done(u);