#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 DEBUG_TIMING */
#define DEFAULT_DEVICE "default"
-#define DEFAULT_TSCHED_BUFFER_USEC (2*PA_USEC_PER_SEC) /* 2s -- Overall buffer size */
-#define DEFAULT_TSCHED_WATERMARK_USEC (20*PA_USEC_PER_MSEC) /* 20ms -- Fill up when only this much is left in the buffer */
-#define TSCHED_WATERMARK_STEP_USEC (10*PA_USEC_PER_MSEC) /* 10ms -- On underrun, increase watermark by this */
-#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_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 inteval */
+#define DEFAULT_TSCHED_BUFFER_USEC (2*PA_USEC_PER_SEC) /* 2s -- Overall buffer size */
+#define DEFAULT_TSCHED_WATERMARK_USEC (20*PA_USEC_PER_MSEC) /* 20ms -- Fill up when only this much is left in the buffer */
+
+#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 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 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;
+ char *paths_dir;
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,
hwbuf_size,
tsched_watermark,
+ tsched_watermark_ref,
hwbuf_unused,
min_sleep,
min_wakeup,
- watermark_step;
+ watermark_inc_step,
+ watermark_dec_step,
+ watermark_inc_threshold,
+ watermark_dec_threshold,
+ rewind_safeguard;
+
+ pa_usec_t watermark_dec_not_before;
+ pa_usec_t min_latency_ref;
- unsigned nfragments;
pa_memchunk memchunk;
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);
size_t max_use, max_use_2;
pa_assert(u);
+ pa_assert(u->use_tsched);
max_use = u->hwbuf_size - u->hwbuf_unused;
max_use_2 = pa_frame_align(max_use/2, &u->sink->sample_spec);
static void fix_tsched_watermark(struct userdata *u) {
size_t max_use;
pa_assert(u);
+ pa_assert(u->use_tsched);
max_use = u->hwbuf_size - u->hwbuf_unused;
u->tsched_watermark = u->min_wakeup;
}
-static void adjust_after_underrun(struct userdata *u) {
+static void increase_watermark(struct userdata *u) {
size_t old_watermark;
pa_usec_t old_min_latency, new_min_latency;
/* First, just try to increase the watermark */
old_watermark = u->tsched_watermark;
- u->tsched_watermark = PA_MIN(u->tsched_watermark * 2, u->tsched_watermark + u->watermark_step);
+ u->tsched_watermark = PA_MIN(u->tsched_watermark * 2, u->tsched_watermark + u->watermark_inc_step);
fix_tsched_watermark(u);
if (old_watermark != u->tsched_watermark) {
- pa_log_notice("Increasing wakeup watermark to %0.2f ms",
- (double) pa_bytes_to_usec(u->tsched_watermark, &u->sink->sample_spec) / PA_USEC_PER_MSEC);
+ pa_log_info("Increasing wakeup watermark to %0.2f ms",
+ (double) pa_bytes_to_usec(u->tsched_watermark, &u->sink->sample_spec) / PA_USEC_PER_MSEC);
return;
}
/* Hmm, we cannot increase the watermark any further, hence let's raise the latency */
old_min_latency = u->sink->thread_info.min_latency;
- new_min_latency = PA_MIN(old_min_latency * 2, old_min_latency + TSCHED_WATERMARK_STEP_USEC);
+ 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->sink->thread_info.max_latency);
if (old_min_latency != new_min_latency) {
- pa_log_notice("Increasing minimal latency to %0.2f ms",
- (double) new_min_latency / PA_USEC_PER_MSEC);
+ pa_log_info("Increasing minimal latency to %0.2f ms",
+ (double) new_min_latency / PA_USEC_PER_MSEC);
pa_sink_set_latency_range_within_thread(u->sink, new_min_latency, u->sink->thread_info.max_latency);
- return;
}
/* When we reach this we're officialy fucked! */
}
+static void decrease_watermark(struct userdata *u) {
+ size_t old_watermark;
+ pa_usec_t now;
+
+ pa_assert(u);
+ pa_assert(u->use_tsched);
+
+ now = pa_rtclock_now();
+
+ if (u->watermark_dec_not_before <= 0)
+ goto restart;
+
+ if (u->watermark_dec_not_before > now)
+ return;
+
+ old_watermark = u->tsched_watermark;
+
+ if (u->tsched_watermark < u->watermark_dec_step)
+ u->tsched_watermark = u->tsched_watermark / 2;
+ else
+ u->tsched_watermark = PA_MAX(u->tsched_watermark / 2, u->tsched_watermark - u->watermark_dec_step);
+
+ fix_tsched_watermark(u);
+
+ if (old_watermark != u->tsched_watermark)
+ pa_log_info("Decreasing wakeup watermark to %0.2f ms",
+ (double) pa_bytes_to_usec(u->tsched_watermark, &u->sink->sample_spec) / PA_USEC_PER_MSEC);
+
+ /* We don't change the latency range*/
+
+restart:
+ u->watermark_dec_not_before = now + TSCHED_WATERMARK_VERIFY_AFTER_USEC;
+}
+
static void hw_sleep_time(struct userdata *u, pa_usec_t *sleep_usec, pa_usec_t*process_usec) {
pa_usec_t usec, wm;
pa_assert(process_usec);
pa_assert(u);
+ pa_assert(u->use_tsched);
usec = pa_sink_get_requested_latency_within_thread(u->sink);
return 0;
}
-static size_t check_left_to_play(struct userdata *u, size_t n_bytes) {
+static size_t check_left_to_play(struct userdata *u, size_t n_bytes, pa_bool_t on_timeout) {
size_t left_to_play;
+ pa_bool_t underrun = FALSE;
/* We use <= instead of < for this check here because an underrun
* only happens after the last sample was processed, not already when
* it is removed from the buffer. This is particularly important
* when block transfer is used. */
- if (n_bytes <= u->hwbuf_size) {
+ if (n_bytes <= u->hwbuf_size)
left_to_play = u->hwbuf_size - n_bytes;
+ else {
+
+ /* We got a dropout. What a mess! */
+ left_to_play = 0;
+ underrun = TRUE;
#ifdef DEBUG_TIMING
- pa_log_debug("%0.2f ms left to play", (double) pa_bytes_to_usec(left_to_play, &u->sink->sample_spec) / PA_USEC_PER_MSEC);
+ PA_DEBUG_TRAP;
#endif
- } else {
- left_to_play = 0;
+ if (!u->first && !u->after_rewind)
+ if (pa_log_ratelimit(PA_LOG_INFO))
+ pa_log_info("Underrun!");
+ }
#ifdef DEBUG_TIMING
- PA_DEBUG_TRAP;
+ pa_log_debug("%0.2f ms left to play; inc threshold = %0.2f ms; dec threshold = %0.2f ms",
+ (double) pa_bytes_to_usec(left_to_play, &u->sink->sample_spec) / PA_USEC_PER_MSEC,
+ (double) pa_bytes_to_usec(u->watermark_inc_threshold, &u->sink->sample_spec) / PA_USEC_PER_MSEC,
+ (double) pa_bytes_to_usec(u->watermark_dec_threshold, &u->sink->sample_spec) / PA_USEC_PER_MSEC);
#endif
+ if (u->use_tsched) {
+ pa_bool_t reset_not_before = TRUE;
+
if (!u->first && !u->after_rewind) {
+ if (underrun || left_to_play < u->watermark_inc_threshold)
+ increase_watermark(u);
+ else if (left_to_play > u->watermark_dec_threshold) {
+ reset_not_before = FALSE;
- if (pa_log_ratelimit())
- pa_log_info("Underrun!");
+ /* 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 (u->use_tsched)
- adjust_after_underrun(u);
+ if (on_timeout)
+ decrease_watermark(u);
+ }
}
+
+ if (reset_not_before)
+ u->watermark_dec_not_before = 0;
}
return left_to_play;
}
-static int mmap_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled) {
- pa_bool_t work_done = TRUE;
+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 = FALSE;
pa_usec_t max_sleep_usec = 0, process_usec = 0;
size_t left_to_play;
unsigned j = 0;
pa_log_debug("avail: %lu", (unsigned long) n_bytes);
#endif
- left_to_play = check_left_to_play(u, n_bytes);
+ left_to_play = check_left_to_play(u, n_bytes, on_timeout);
+ on_timeout = FALSE;
if (u->use_tsched)
}
/* 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;
}
-static int unix_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled) {
+static int unix_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled, pa_bool_t on_timeout) {
pa_bool_t work_done = FALSE;
pa_usec_t max_sleep_usec = 0, process_usec = 0;
size_t left_to_play;
snd_pcm_sframes_t n;
size_t n_bytes;
int r;
+ pa_bool_t after_avail = TRUE;
if (PA_UNLIKELY((n = pa_alsa_safe_avail(u->pcm_handle, u->hwbuf_size, &u->sink->sample_spec)) < 0)) {
}
n_bytes = (size_t) n * u->frame_size;
- left_to_play = check_left_to_play(u, n_bytes);
+ left_to_play = check_left_to_play(u, n_bytes, on_timeout);
+ on_timeout = FALSE;
if (u->use_tsched)
for (;;) {
snd_pcm_sframes_t frames;
void *p;
- pa_bool_t after_avail = TRUE;
/* pa_log_debug("%lu frames to write", (unsigned long) frames); */
}
}
- *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;
}
now1 = pa_rtclock_now();
/* check if the time since the last update is bigger than the interval */
- if (u->last_smoother_update > 0) {
+ if (u->last_smoother_update > 0)
if (u->last_smoother_update + u->smoother_interval > now1)
return;
- }
position = (int64_t) u->write_count - ((int64_t) delay * (int64_t) u->frame_size);
now2 = pa_bytes_to_usec((uint64_t) position, &u->sink->sample_spec);
+ pa_smoother_put(u->smoother, now1, now2);
+
u->last_smoother_update = now1;
/* exponentially increase the update interval up to the MAX limit */
u->smoother_interval = PA_MIN (u->smoother_interval * 2, SMOOTHER_MAX_INTERVAL);
-
- pa_smoother_put(u->smoother, now1, now2);
}
static pa_usec_t sink_get_latency(struct userdata *u) {
u->alsa_rtpoll_item = NULL;
}
+ /* We reset max_rewind/max_request here to make sure that while we
+ * are suspended the old max_request/max_rewind values set before
+ * the suspend can influence the per-stream buffer of newly
+ * created streams, without their requirements having any
+ * influence on them. */
+ pa_sink_set_max_rewind_within_thread(u->sink, 0);
+ pa_sink_set_max_request_within_thread(u->sink, 0);
+
pa_log_info("Device suspended...");
return 0;
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_log_debug("setting avail_min=%lu", (unsigned long) avail_min);
- if ((err = pa_alsa_set_sw_params(u->pcm_handle, avail_min)) < 0) {
+ if ((err = pa_alsa_set_sw_params(u->pcm_handle, avail_min, !u->use_tsched)) < 0) {
pa_log("Failed to set software parameters: %s", pa_alsa_strerror(err));
return err;
}
pa_sink_set_max_request_within_thread(u->sink, u->hwbuf_size - u->hwbuf_unused);
+ 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;
}
+/* Called from IO Context on unsuspend or from main thread when creating sink */
+static void reset_watermark(struct userdata *u, size_t tsched_watermark, pa_sample_spec *ss,
+ pa_bool_t in_thread)
+{
+ u->tsched_watermark = pa_usec_to_bytes_round_up(pa_bytes_to_usec_round_up(tsched_watermark, ss),
+ &u->sink->sample_spec);
+
+ u->watermark_inc_step = pa_usec_to_bytes(TSCHED_WATERMARK_INC_STEP_USEC, &u->sink->sample_spec);
+ u->watermark_dec_step = pa_usec_to_bytes(TSCHED_WATERMARK_DEC_STEP_USEC, &u->sink->sample_spec);
+
+ u->watermark_inc_threshold = pa_usec_to_bytes_round_up(TSCHED_WATERMARK_INC_THRESHOLD_USEC, &u->sink->sample_spec);
+ u->watermark_dec_threshold = pa_usec_to_bytes_round_up(TSCHED_WATERMARK_DEC_THRESHOLD_USEC, &u->sink->sample_spec);
+
+ fix_min_sleep_wakeup(u);
+ fix_tsched_watermark(u);
+
+ if (in_thread)
+ pa_sink_set_latency_range_within_thread(u->sink,
+ u->min_latency_ref,
+ pa_bytes_to_usec(u->hwbuf_size, ss));
+ else {
+ pa_sink_set_latency_range(u->sink,
+ 0,
+ pa_bytes_to_usec(u->hwbuf_size, ss));
+
+ /* work-around assert in pa_sink_set_latency_within_thead,
+ keep track of min_latency and reuse it when
+ this routine is called from IO context */
+ u->min_latency_ref = u->sink->thread_info.min_latency;
+ }
+
+ pa_log_info("Time scheduling watermark is %0.2fms",
+ (double) pa_bytes_to_usec(u->tsched_watermark, ss) / PA_USEC_PER_MSEC);
+}
+
/* Called from IO context */
static int unsuspend(struct userdata *u) {
pa_sample_spec ss;
int err;
pa_bool_t b, d;
- unsigned nfrags;
- snd_pcm_uframes_t period_size;
+ 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,
- /*SND_PCM_NONBLOCK|*/
+ 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|
SND_PCM_NO_AUTO_FORMAT)) < 0) {
}
ss = u->sink->sample_spec;
- nfrags = u->nfragments;
period_size = u->fragment_size / u->frame_size;
+ buffer_size = u->hwbuf_size / u->frame_size;
b = u->use_mmap;
d = u->use_tsched;
- if ((err = pa_alsa_set_hw_params(u->pcm_handle, &ss, &nfrags, &period_size, u->hwbuf_size / u->frame_size, &b, &d, TRUE)) < 0) {
+ if ((err = pa_alsa_set_hw_params(u->pcm_handle, &ss, &period_size, &buffer_size, 0, &b, &d, TRUE)) < 0) {
pa_log("Failed to set hardware parameters: %s", pa_alsa_strerror(err));
goto fail;
}
goto fail;
}
- if (nfrags != u->nfragments || period_size*u->frame_size != u->fragment_size) {
- pa_log_warn("Resume failed, couldn't restore original fragment settings. (Old: %lu*%lu, New %lu*%lu)",
- (unsigned long) u->nfragments, (unsigned long) u->fragment_size,
- (unsigned long) nfrags, period_size * u->frame_size);
+ if (period_size*u->frame_size != u->fragment_size ||
+ buffer_size*u->frame_size != u->hwbuf_size) {
+ pa_log_warn("Resume failed, couldn't restore original fragment settings. (Old: %lu/%lu, New %lu/%lu)",
+ (unsigned long) u->hwbuf_size, (unsigned long) u->fragment_size,
+ (unsigned long) (buffer_size*u->frame_size), (unsigned long) (period_size*u->frame_size));
goto fail;
}
u->first = TRUE;
u->since_start = 0;
+ /* reset the watermark to the value defined when sink was created */
+ if (u->use_tsched)
+ reset_watermark(u, u->tsched_watermark_ref, &u->sink->sample_spec, TRUE);
pa_log_info("Resumed successfully...");
+ pa_xfree(device_name);
return 0;
fail:
u->pcm_handle = NULL;
}
- return -1;
+ pa_xfree(device_name);
+
+ return -PA_ERR_IO;
}
/* Called from IO context */
switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) {
- case PA_SINK_SUSPENDED:
+ case PA_SINK_SUSPENDED: {
+ int r;
+
pa_assert(PA_SINK_IS_OPENED(u->sink->thread_info.state));
- if (suspend(u) < 0)
- return -1;
+ if ((r = suspend(u)) < 0)
+ return r;
break;
+ }
case PA_SINK_IDLE:
- case PA_SINK_RUNNING:
+ case PA_SINK_RUNNING: {
+ int r;
if (u->sink->thread_info.state == PA_SINK_INIT) {
if (build_pollfd(u) < 0)
- return -1;
+ return -PA_ERR_IO;
}
if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
- if (unsuspend(u) < 0)
- return -1;
+ if ((r = unsuspend(u)) < 0)
+ return r;
}
break;
+ }
case PA_SINK_UNLINKED:
case PA_SINK_INIT:
reserve_done(u);
else if (old_state == PA_SINK_SUSPENDED && PA_SINK_IS_OPENED(new_state))
if (reserve_init(u, u->device_name) < 0)
- return -1;
+ 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);
if (mask == SND_CTL_EVENT_MASK_REMOVE)
return 0;
+ if (!PA_SINK_IS_LINKED(u->sink->state))
+ return 0;
+
+ if (u->sink->suspend_cause & PA_SUSPEND_SESSION)
+ return 0;
+
if (mask & SND_CTL_EVENT_MASK_VALUE) {
pa_sink_get_volume(u->sink, TRUE);
pa_sink_get_mute(u->sink, TRUE);
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);
+
+ /* Note: the logic below won't apply if we're using software encoding.
+ * This is fine for now since we don't support that via the passthrough
+ * framework, but this must be changed if we do. */
+
+ /* First insert non-PCM formats since we prefer those. */
+ PA_IDXSET_FOREACH(f, formats, idx) {
+ if (!pa_format_info_is_pcm(f))
+ pa_idxset_put(u->formats, pa_format_info_copy(f), NULL);
+ }
+
+ /* Now add any PCM formats */
+ PA_IDXSET_FOREACH(f, formats, idx) {
+ if (pa_format_info_is_pcm(f))
+ pa_idxset_put(u->formats, pa_format_info_copy(f), NULL);
+ }
+
+ return TRUE;
+}
+
+static pa_bool_t sink_update_rate_cb(pa_sink *s, uint32_t rate)
+{
+ struct userdata *u = s->userdata;
+ pa_assert(u);
+
+ if (!PA_SINK_IS_OPENED(s->state)) {
+ pa_log_info("Updating rate for device %s, new rate is %d",u->device_name, rate);
+ u->sink->sample_spec.rate = rate;
+ return TRUE;
+ }
+ return FALSE;
+}
+
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");
if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
int work_done;
pa_usec_t sleep_usec = 0;
+ pa_bool_t on_timeout = pa_rtpoll_timer_elapsed(u->rtpoll);
if (PA_UNLIKELY(u->sink->thread_info.rewind_requested))
if (process_rewind(u) < 0)
goto fail;
if (u->use_mmap)
- work_done = mmap_write(u, &sleep_usec, revents & POLLOUT);
+ work_done = mmap_write(u, &sleep_usec, revents & POLLOUT, on_timeout);
else
- work_done = unix_write(u, &sleep_usec, revents & POLLOUT);
+ work_done = unix_write(u, &sleep_usec, revents & POLLOUT, on_timeout);
if (work_done < 0)
goto fail;
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)
+ }
- /* OK, we're in an invalid state, let's disable our timers */
+ 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) {
+ if (rtpoll_sleep > 0)
+ rtpoll_sleep = PA_MIN(volume_sleep, rtpoll_sleep);
+ else
+ rtpoll_sleep = volume_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->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
pa_alsa_path_dump(u->mixer_path);
} else {
- if (!(u->mixer_path_set = pa_alsa_path_set_new(mapping, PA_ALSA_DIRECTION_OUTPUT)))
+ if (!(u->mixer_path_set = pa_alsa_path_set_new(mapping, PA_ALSA_DIRECTION_OUTPUT, u->paths_dir)))
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 {
-
- 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);
-
- u->sink->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
- u->sink->n_volume_steps = PA_VOLUME_NORM+1;
+ mixer_volume_init(u);
- 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");
+ /* Will we need to register callbacks? */
+ if (u->mixer_path_set && u->mixer_path_set->paths) {
+ pa_alsa_path *p;
- } 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;
}
struct userdata *u = NULL;
const char *dev_id = NULL;
- pa_sample_spec ss, requested_ss;
+ pa_sample_spec ss;
+ uint32_t alternate_sample_rate;
pa_channel_map map;
- uint32_t nfrags, hwbuf_size, frag_size, tsched_size, tsched_watermark;
- snd_pcm_uframes_t period_frames, tsched_frames;
+ 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;
}
- requested_ss = ss;
+ alternate_sample_rate = m->core->alternate_sample_rate;
+ if (pa_modargs_get_alternate_sample_rate(ma, &alternate_sample_rate) < 0) {
+ pa_log("Failed to parse alternate sample rate");
+ goto fail;
+ }
+
frame_size = pa_frame_size(&ss);
nfrags = m->core->default_n_fragments;
goto fail;
}
- hwbuf_size = frag_size * nfrags;
+ buffer_size = nfrags * frag_size;
+
period_frames = frag_size/frame_size;
+ buffer_frames = buffer_size/frame_size;
tsched_frames = tsched_size/frame_size;
if (pa_modargs_get_value_boolean(ma, "mmap", &use_mmap) < 0) {
goto fail;
}
- if (use_tsched && !pa_rtclock_hrtimer()) {
- pa_log_notice("Disabling timer-based scheduling because high-resolution timers are not available from the kernel.");
- use_tsched = FALSE;
+ 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->core = m->core;
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,
ma, "device_id",
pa_modargs_get_value(ma, "device", DEFAULT_DEVICE));
+ u->paths_dir = pa_xstrdup(pa_modargs_get_value(ma, "paths_dir", NULL));
+
if (reserve_init(u, dev_id) < 0)
goto fail;
&u->device_name,
&ss, &map,
SND_PCM_STREAM_PLAYBACK,
- &nfrags, &period_frames, tsched_frames,
+ &period_frames, &buffer_frames, tsched_frames,
&b, &d, mapping)))
-
goto fail;
} else if ((dev_id = pa_modargs_get_value(ma, "device_id", NULL))) {
&u->device_name,
&ss, &map,
SND_PCM_STREAM_PLAYBACK,
- &nfrags, &period_frames, tsched_frames,
+ &period_frames, &buffer_frames, tsched_frames,
&b, &d, profile_set, &mapping)))
-
goto fail;
} else {
&u->device_name,
&ss, &map,
SND_PCM_STREAM_PLAYBACK,
- &nfrags, &period_frames, tsched_frames,
+ &period_frames, &buffer_frames, tsched_frames,
&b, &d, FALSE)))
goto fail;
}
u->use_tsched = use_tsched = FALSE;
}
- if (use_tsched && !pa_alsa_pcm_is_hw(u->pcm_handle)) {
- pa_log_info("Device is not a hardware device, disabling timer-based scheduling.");
- u->use_tsched = use_tsched = FALSE;
- }
-
if (u->use_mmap)
pa_log_info("Successfully enabled mmap() mode.");
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);
+ pa_sink_new_data_set_alternate_sample_rate(&data, alternate_sample_rate);
pa_alsa_init_proplist_pcm(m->core, data.proplist, u->pcm_handle);
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->device_name);
- pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) (period_frames * frame_size * nfrags));
+ pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) (buffer_frames * frame_size));
pa_proplist_setf(data.proplist, PA_PROP_DEVICE_BUFFERING_FRAGMENT_SIZE, "%lu", (unsigned long) (period_frames * frame_size));
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_ACCESS_MODE, u->use_tsched ? "mmap+timer" : (u->use_mmap ? "mmap" : "serial"));
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;
+ if (u->sink->alternate_sample_rate)
+ u->sink->update_rate = sink_update_rate_cb;
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
u->frame_size = frame_size;
- u->fragment_size = frag_size = (uint32_t) (period_frames * frame_size);
- u->nfragments = nfrags;
- u->hwbuf_size = u->fragment_size * nfrags;
- u->tsched_watermark = pa_usec_to_bytes_round_up(pa_bytes_to_usec_round_up(tsched_watermark, &requested_ss), &u->sink->sample_spec);
+ u->fragment_size = frag_size = (size_t) (period_frames * frame_size);
+ u->hwbuf_size = buffer_size = (size_t) (buffer_frames * frame_size);
pa_cvolume_mute(&u->hardware_volume, u->sink->sample_spec.channels);
- pa_log_info("Using %u fragments of size %lu bytes, buffer time is %0.2fms",
- nfrags, (long unsigned) u->fragment_size,
+ pa_log_info("Using %0.1f fragments of size %lu bytes (%0.2fms), buffer size is %lu bytes (%0.2fms)",
+ (double) u->hwbuf_size / (double) u->fragment_size,
+ (long unsigned) u->fragment_size,
+ (double) pa_bytes_to_usec(u->fragment_size, &ss) / PA_USEC_PER_MSEC,
+ (long unsigned) u->hwbuf_size,
(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->watermark_step = pa_usec_to_bytes(TSCHED_WATERMARK_STEP_USEC, &u->sink->sample_spec);
-
- fix_min_sleep_wakeup(u);
- fix_tsched_watermark(u);
-
- pa_sink_set_latency_range(u->sink,
- 0,
- pa_bytes_to_usec(u->hwbuf_size, &ss));
-
- pa_log_info("Time scheduling watermark is %0.2fms",
- (double) pa_bytes_to_usec(u->tsched_watermark, &ss) / PA_USEC_PER_MSEC);
+ u->tsched_watermark_ref = tsched_watermark;
+ reset_watermark(u, u->tsched_watermark_ref, &ss, FALSE);
} else
pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(u->hwbuf_size, &ss));
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);
pa_xfree(u->device_name);
pa_xfree(u->control_device);
+ pa_xfree(u->paths_dir);
pa_xfree(u);
}