#include <asoundlib.h>
-#ifdef HAVE_VALGRIND_MEMCHECK_H
-#include <valgrind/memcheck.h>
-#endif
-
-#include <pulse/xmalloc.h>
-#include <pulse/util.h>
-#include <pulse/timeval.h>
#include <pulse/i18n.h>
+#include <pulse/rtclock.h>
+#include <pulse/timeval.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/sink.h>
#include <pulsecore/modargs.h>
+#include <pulsecore/core-rtclock.h>
#include <pulsecore/core-util.h>
#include <pulsecore/sample-util.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>
-#include <pulsecore/rtclock.h>
#include <modules/reserve-wrap.h>
/* #define DEBUG_TIMING */
#define DEFAULT_DEVICE "default"
-#define DEFAULT_TSCHED_BUFFER_USEC (2*PA_USEC_PER_SEC) /* 2s */
-#define DEFAULT_TSCHED_WATERMARK_USEC (20*PA_USEC_PER_MSEC) /* 20ms */
-#define TSCHED_WATERMARK_STEP_USEC (10*PA_USEC_PER_MSEC) /* 10ms */
-#define TSCHED_MIN_SLEEP_USEC (10*PA_USEC_PER_MSEC) /* 10ms */
-#define TSCHED_MIN_WAKEUP_USEC (4*PA_USEC_PER_MSEC) /* 4ms */
+
+#define DEFAULT_TSCHED_BUFFER_USEC (2*PA_USEC_PER_SEC) /* 2s */
+#define DEFAULT_TSCHED_WATERMARK_USEC (20*PA_USEC_PER_MSEC) /* 20ms */
+
+#define TSCHED_WATERMARK_INC_STEP_USEC (10*PA_USEC_PER_MSEC) /* 10ms */
+#define TSCHED_WATERMARK_DEC_STEP_USEC (5*PA_USEC_PER_MSEC) /* 5ms */
+#define TSCHED_WATERMARK_VERIFY_AFTER_USEC (20*PA_USEC_PER_SEC) /* 20s */
+#define TSCHED_WATERMARK_INC_THRESHOLD_USEC (0*PA_USEC_PER_MSEC) /* 0ms */
+#define TSCHED_WATERMARK_DEC_THRESHOLD_USEC (100*PA_USEC_PER_MSEC) /* 100ms */
+#define TSCHED_WATERMARK_STEP_USEC (10*PA_USEC_PER_MSEC) /* 10ms */
+
+#define TSCHED_MIN_SLEEP_USEC (10*PA_USEC_PER_MSEC) /* 10ms */
+#define TSCHED_MIN_WAKEUP_USEC (4*PA_USEC_PER_MSEC) /* 4ms */
+
+#define SMOOTHER_WINDOW_USEC (10*PA_USEC_PER_SEC) /* 10s */
+#define SMOOTHER_ADJUST_USEC (1*PA_USEC_PER_SEC) /* 1s */
+
+#define SMOOTHER_MIN_INTERVAL (2*PA_USEC_PER_MSEC) /* 2ms */
+#define SMOOTHER_MAX_INTERVAL (200*PA_USEC_PER_MSEC) /* 200ms */
+
+#define VOLUME_ACCURACY (PA_VOLUME_NORM/100)
struct userdata {
pa_core *core;
snd_pcm_t *pcm_handle;
pa_alsa_fdlist *mixer_fdl;
+ pa_alsa_mixer_pdata *mixer_pd;
snd_mixer_t *mixer_handle;
- snd_mixer_elem_t *mixer_elem;
- long hw_volume_max, hw_volume_min;
- long hw_dB_max, hw_dB_min;
- pa_bool_t hw_dB_supported:1;
- pa_bool_t mixer_seperate_channels:1;
+ pa_alsa_path_set *mixer_path_set;
+ pa_alsa_path *mixer_path;
pa_cvolume hardware_volume;
hwbuf_unused,
min_sleep,
min_wakeup,
- watermark_step;
+ watermark_inc_step,
+ watermark_dec_step,
+ watermark_inc_threshold,
+ watermark_dec_threshold;
- unsigned nfragments;
+ pa_usec_t watermark_dec_not_before;
- char *device_name;
+ 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 first;
+
pa_rtpoll_item *alsa_rtpoll_item;
snd_mixer_selem_channel_id_t mixer_map[SND_MIXER_SCHN_LAST];
pa_smoother *smoother;
uint64_t read_count;
+ pa_usec_t smoother_interval;
+ pa_usec_t last_smoother_update;
pa_reserve_wrapper *reserve;
pa_hook_slot *reserve_slot;
+ pa_reserve_monitor_wrapper *monitor;
+ pa_hook_slot *monitor_slot;
};
static void userdata_free(struct userdata *u);
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);
return 0;
}
+static pa_hook_result_t monitor_cb(pa_reserve_monitor_wrapper *w, void* busy, struct userdata *u) {
+ pa_bool_t b;
+
+ pa_assert(w);
+ pa_assert(u);
+
+ b = PA_PTR_TO_UINT(busy) && !u->reserve;
+
+ pa_source_suspend(u->source, b, PA_SUSPEND_APPLICATION);
+ return PA_HOOK_OK;
+}
+
+static void monitor_done(struct userdata *u) {
+ pa_assert(u);
+
+ if (u->monitor_slot) {
+ pa_hook_slot_free(u->monitor_slot);
+ u->monitor_slot = NULL;
+ }
+
+ if (u->monitor) {
+ pa_reserve_monitor_wrapper_unref(u->monitor);
+ u->monitor = NULL;
+ }
+}
+
+static int reserve_monitor_init(struct userdata *u, const char *dname) {
+ char *rname;
+
+ pa_assert(u);
+ pa_assert(dname);
+
+ if (pa_in_system_mode())
+ return 0;
+
+ 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);
+
+ if (!(u->monitor))
+ return -1;
+
+ pa_assert(!u->monitor_slot);
+ u->monitor_slot = pa_hook_connect(pa_reserve_monitor_wrapper_hook(u->monitor), PA_HOOK_NORMAL, (pa_hook_cb_t) monitor_cb, u);
+
+ return 0;
+}
+
static void fix_min_sleep_wakeup(struct userdata *u) {
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->source->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_overrun(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->source->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->source->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->source->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->source->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_source_set_latency_range_within_thread(u->source, new_min_latency, u->source->thread_info.max_latency);
- return;
}
/* When we reach this we're officialy fucked! */
}
-static pa_usec_t hw_sleep_time(struct userdata *u, pa_usec_t *sleep_usec, pa_usec_t*process_usec) {
+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->source->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 wm, usec;
+ pa_assert(sleep_usec);
+ pa_assert(process_usec);
+
pa_assert(u);
+ pa_assert(u->use_tsched);
usec = pa_source_get_requested_latency_within_thread(u->source);
(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) {
if (err == -EPIPE)
pa_log_debug("%s: Buffer overrun!", call);
+ if (err == -ESTRPIPE)
+ pa_log_debug("%s: System suspended!", call);
+
if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) < 0) {
pa_log("%s: %s", call, pa_alsa_strerror(err));
return -1;
}
- snd_pcm_start(u->pcm_handle);
+ u->first = TRUE;
return 0;
}
-static size_t check_left_to_record(struct userdata *u, size_t n_bytes) {
+static size_t check_left_to_record(struct userdata *u, size_t n_bytes, pa_bool_t on_timeout) {
size_t left_to_record;
size_t rec_space = u->hwbuf_size - u->hwbuf_unused;
+ pa_bool_t overrun = FALSE;
/* We use <= instead of < for this check here because an overrun
* 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 <= rec_space) {
+ if (n_bytes <= rec_space)
left_to_record = rec_space - n_bytes;
+ else {
-#ifdef DEBUG_TIMING
- pa_log_debug("%0.2f ms left to record", (double) pa_bytes_to_usec(left_to_record, &u->source->sample_spec) / PA_USEC_PER_MSEC);
-#endif
-
- } else {
+ /* We got a dropout. What a mess! */
left_to_record = 0;
+ overrun = TRUE;
#ifdef DEBUG_TIMING
PA_DEBUG_TRAP;
#endif
- if (pa_log_ratelimit())
+ if (pa_log_ratelimit(PA_LOG_INFO))
pa_log_info("Overrun!");
+ }
- if (u->use_tsched)
- adjust_after_overrun(u);
+#ifdef DEBUG_TIMING
+ pa_log_debug("%0.2f ms left to record", (double) pa_bytes_to_usec(left_to_record, &u->source->sample_spec) / PA_USEC_PER_MSEC);
+#endif
+
+ if (u->use_tsched) {
+ pa_bool_t reset_not_before = TRUE;
+
+ if (overrun || left_to_record < u->watermark_inc_threshold)
+ increase_watermark(u);
+ 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... */
+
+ if (on_timeout)
+ decrease_watermark(u);
+ }
+
+ if (reset_not_before)
+ u->watermark_dec_not_before = 0;
}
return left_to_record;
}
-static int mmap_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled) {
+static int mmap_read(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_record;
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->source->sample_spec)) < 0)) {
pa_log_debug("avail: %lu", (unsigned long) n_bytes);
#endif
- left_to_record = check_left_to_record(u, n_bytes);
+ left_to_record = check_left_to_record(u, n_bytes, on_timeout);
+ on_timeout = FALSE;
if (u->use_tsched)
if (!polled &&
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)) {
+ if (!after_avail && err == -EAGAIN)
+ break;
+
if ((r = try_recover(u, "snd_pcm_mmap_begin", err)) == 0)
continue;
if (frames > pa_mempool_block_size_max(u->source->core->mempool)/u->frame_size)
frames = pa_mempool_block_size_max(u->source->core->mempool)/u->frame_size;
+ if (!after_avail && frames == 0)
+ break;
+
+ pa_assert(frames > 0);
+ after_avail = FALSE;
+
/* Check these are multiples of 8 bit */
pa_assert((areas[0].first & 7) == 0);
pa_assert((areas[0].step & 7)== 0);
}
}
- *sleep_usec = pa_bytes_to_usec(left_to_record, &u->source->sample_spec);
+ if (u->use_tsched) {
+ *sleep_usec = pa_bytes_to_usec(left_to_record, &u->source->sample_spec);
- if (*sleep_usec > process_usec)
- *sleep_usec -= process_usec;
- else
- *sleep_usec = 0;
+ if (*sleep_usec > process_usec)
+ *sleep_usec -= process_usec;
+ else
+ *sleep_usec = 0;
+ }
return work_done ? 1 : 0;
}
-static int unix_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled) {
+static int unix_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled, pa_bool_t on_timeout) {
int work_done = FALSE;
pa_usec_t max_sleep_usec = 0, process_usec = 0;
size_t left_to_record;
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->source->sample_spec)) < 0)) {
}
n_bytes = (size_t) n * u->frame_size;
- left_to_record = check_left_to_record(u, n_bytes);
+ left_to_record = check_left_to_record(u, n_bytes, on_timeout);
+ on_timeout = FALSE;
if (u->use_tsched)
if (!polled &&
frames = snd_pcm_readi(u->pcm_handle, (uint8_t*) p, (snd_pcm_uframes_t) frames);
pa_memblock_release(chunk.memblock);
- pa_assert(frames != 0);
-
if (PA_UNLIKELY(frames < 0)) {
pa_memblock_unref(chunk.memblock);
- if ((r = try_recover(u, "snd_pcm_readi", (int) (frames))) == 0)
+ if (!after_avail && (int) frames == -EAGAIN)
+ break;
+
+ if ((r = try_recover(u, "snd_pcm_readi", (int) frames)) == 0)
continue;
return r;
}
+ if (!after_avail && frames == 0) {
+ pa_memblock_unref(chunk.memblock);
+ break;
+ }
+
+ pa_assert(frames > 0);
+ after_avail = FALSE;
+
chunk.index = 0;
chunk.length = (size_t) frames * u->frame_size;
}
}
- *sleep_usec = pa_bytes_to_usec(left_to_record, &u->source->sample_spec);
+ if (u->use_tsched) {
+ *sleep_usec = pa_bytes_to_usec(left_to_record, &u->source->sample_spec);
- if (*sleep_usec > process_usec)
- *sleep_usec -= process_usec;
- else
- *sleep_usec = 0;
+ if (*sleep_usec > process_usec)
+ *sleep_usec -= process_usec;
+ 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->source->sample_spec)) < 0)) {
+ if (PA_UNLIKELY((err = pa_alsa_safe_delay(u->pcm_handle, &delay, u->hwbuf_size, &u->source->sample_spec, TRUE)) < 0)) {
pa_log_warn("Failed to get delay: %s", pa_alsa_strerror(err));
return;
}
now1 = pa_timespec_load(&htstamp);
}
- position = u->read_count + ((uint64_t) delay * (uint64_t) u->frame_size);
-
/* Hmm, if the timestamp is 0, then it wasn't set and we take the current time */
if (now1 <= 0)
- now1 = pa_rtclock_usec();
+ 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 + u->smoother_interval > now1)
+ return;
+
+ position = u->read_count + ((uint64_t) delay * (uint64_t) u->frame_size);
now2 = pa_bytes_to_usec(position, &u->source->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);
}
static pa_usec_t source_get_latency(struct userdata *u) {
- int64_t delay;
+ int64_t delay;
pa_usec_t now1, now2;
pa_assert(u);
- now1 = pa_rtclock_usec();
+ now1 = pa_rtclock_now();
now2 = pa_smoother_get(u->smoother, now1);
delay = (int64_t) now2 - (int64_t) pa_bytes_to_usec(u->read_count, &u->source->sample_spec);
return 0;
}
+/* Called from IO context */
static int suspend(struct userdata *u) {
pa_assert(u);
pa_assert(u->pcm_handle);
- pa_smoother_pause(u->smoother, pa_rtclock_usec());
+ pa_smoother_pause(u->smoother, pa_rtclock_now());
/* Let's suspend */
snd_pcm_close(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;
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;
}
return 0;
}
+/* 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;
pa_assert(u);
pa_assert(!u->pcm_handle);
pa_log_info("Trying resume...");
- snd_config_update_free_global();
-
if ((err = snd_pcm_open(&u->pcm_handle, u->device_name, SND_PCM_STREAM_CAPTURE,
- /*SND_PCM_NONBLOCK|*/
+ SND_PCM_NONBLOCK|
SND_PCM_NO_AUTO_RESAMPLE|
SND_PCM_NO_AUTO_CHANNELS|
SND_PCM_NO_AUTO_FORMAT)) < 0) {
}
ss = u->source->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;
}
/* FIXME: We need to reload the volume somehow */
- snd_pcm_start(u->pcm_handle);
- pa_smoother_resume(u->smoother, pa_rtclock_usec(), TRUE);
+ u->read_count = 0;
+ pa_smoother_reset(u->smoother, pa_rtclock_now(), TRUE);
+ u->smoother_interval = SMOOTHER_MIN_INTERVAL;
+ u->last_smoother_update = 0;
+
+ u->first = TRUE;
pa_log_info("Resumed successfully...");
u->pcm_handle = NULL;
}
- return -1;
+ 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;
switch ((pa_source_state_t) PA_PTR_TO_UINT(data)) {
- case PA_SOURCE_SUSPENDED:
+ case PA_SOURCE_SUSPENDED: {
+ int r;
+
pa_assert(PA_SOURCE_IS_OPENED(u->source->thread_info.state));
- if (suspend(u) < 0)
- return -1;
+ if ((r = suspend(u)) < 0)
+ return r;
break;
+ }
case PA_SOURCE_IDLE:
- case PA_SOURCE_RUNNING:
+ case PA_SOURCE_RUNNING: {
+ int r;
if (u->source->thread_info.state == PA_SOURCE_INIT) {
if (build_pollfd(u) < 0)
- return -1;
-
- snd_pcm_start(u->pcm_handle);
+ return -PA_ERR_IO;
}
if (u->source->thread_info.state == PA_SOURCE_SUSPENDED) {
- if (unsuspend(u) < 0)
- return -1;
+ if ((r = unsuspend(u)) < 0)
+ return r;
}
break;
+ }
case PA_SOURCE_UNLINKED:
case PA_SOURCE_INIT:
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 -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 (u->source->suspend_cause & PA_SUSPEND_SESSION)
+ return 0;
+
if (mask & SND_CTL_EVENT_MASK_VALUE) {
pa_source_get_volume(u->source, TRUE);
pa_source_get_mute(u->source, TRUE);
return 0;
}
-static pa_volume_t from_alsa_volume(struct userdata *u, long alsa_vol) {
+static int io_mixer_callback(snd_mixer_elem_t *elem, unsigned int mask) {
+ struct userdata *u = snd_mixer_elem_get_callback_private(elem);
- return (pa_volume_t) round(((double) (alsa_vol - u->hw_volume_min) * PA_VOLUME_NORM) /
- (double) (u->hw_volume_max - u->hw_volume_min));
-}
+ pa_assert(u);
+ pa_assert(u->mixer_handle);
-static long to_alsa_volume(struct userdata *u, pa_volume_t vol) {
- long alsa_vol;
+ if (mask == SND_CTL_EVENT_MASK_REMOVE)
+ return 0;
- alsa_vol = (long) round(((double) vol * (double) (u->hw_volume_max - u->hw_volume_min))
- / PA_VOLUME_NORM) + u->hw_volume_min;
+ 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 PA_CLAMP_UNLIKELY(alsa_vol, u->hw_volume_min, u->hw_volume_max);
+ return 0;
}
static void source_get_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
- int err;
- unsigned i;
pa_cvolume r;
- char t[PA_CVOLUME_SNPRINT_MAX];
+ char vol_str_pcnt[PA_CVOLUME_SNPRINT_MAX];
pa_assert(u);
- pa_assert(u->mixer_elem);
-
- if (u->mixer_seperate_channels) {
-
- r.channels = s->sample_spec.channels;
-
- for (i = 0; i < s->sample_spec.channels; i++) {
- long alsa_vol;
-
- if (u->hw_dB_supported) {
-
- if ((err = snd_mixer_selem_get_capture_dB(u->mixer_elem, u->mixer_map[i], &alsa_vol)) < 0)
- goto fail;
-
-#ifdef HAVE_VALGRIND_MEMCHECK_H
- VALGRIND_MAKE_MEM_DEFINED(&alsa_vol, sizeof(alsa_vol));
-#endif
-
- r.values[i] = pa_sw_volume_from_dB((double) (alsa_vol - u->hw_dB_max) / 100.0);
- } else {
-
- if ((err = snd_mixer_selem_get_capture_volume(u->mixer_elem, u->mixer_map[i], &alsa_vol)) < 0)
- goto fail;
-
- r.values[i] = from_alsa_volume(u, alsa_vol);
- }
- }
-
- } else {
- long alsa_vol;
-
- if (u->hw_dB_supported) {
-
- if ((err = snd_mixer_selem_get_capture_dB(u->mixer_elem, SND_MIXER_SCHN_MONO, &alsa_vol)) < 0)
- goto fail;
+ pa_assert(u->mixer_path);
+ pa_assert(u->mixer_handle);
-#ifdef HAVE_VALGRIND_MEMCHECK_H
- VALGRIND_MAKE_MEM_DEFINED(&alsa_vol, sizeof(alsa_vol));
-#endif
+ if (pa_alsa_path_get_volume(u->mixer_path, u->mixer_handle, &s->channel_map, &r) < 0)
+ return;
- pa_cvolume_set(&r, s->sample_spec.channels, pa_sw_volume_from_dB((double) (alsa_vol - u->hw_dB_max) / 100.0));
+ /* Shift down by the base volume, so that 0dB becomes maximum volume */
+ pa_sw_cvolume_multiply_scalar(&r, &r, s->base_volume);
- } else {
+ pa_log_debug("Read hardware volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &r));
- if ((err = snd_mixer_selem_get_capture_volume(u->mixer_elem, SND_MIXER_SCHN_MONO, &alsa_vol)) < 0)
- goto fail;
+ if (u->mixer_path->has_dB) {
+ char vol_str_db[PA_SW_CVOLUME_SNPRINT_DB_MAX];
- pa_cvolume_set(&r, s->sample_spec.channels, from_alsa_volume(u, alsa_vol));
- }
+ pa_log_debug(" in dB: %s", pa_sw_cvolume_snprint_dB(vol_str_db, sizeof(vol_str_db), &r));
}
- pa_log_debug("Read hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &r));
-
- if (!pa_cvolume_equal(&u->hardware_volume, &r)) {
-
- s->virtual_volume = u->hardware_volume = r;
-
- if (u->hw_dB_supported) {
- pa_cvolume reset;
-
- /* Hmm, so the hardware volume changed, let's reset our software volume */
- pa_cvolume_reset(&reset, s->sample_spec.channels);
- pa_source_set_soft_volume(s, &reset);
- }
- }
+ if (pa_cvolume_equal(&u->hardware_volume, &r))
+ return;
- return;
+ s->real_volume = u->hardware_volume = r;
-fail:
- pa_log_error("Unable to read volume: %s", pa_alsa_strerror(err));
+ /* Hmm, so the hardware volume changed, let's reset our software volume */
+ if (u->mixer_path->has_dB)
+ pa_source_set_soft_volume(s, NULL);
}
static void source_set_volume_cb(pa_source *s) {
struct userdata *u = s->userdata;
- int err;
- unsigned i;
pa_cvolume r;
+ 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_elem);
-
- if (u->mixer_seperate_channels) {
-
- r.channels = s->sample_spec.channels;
-
- for (i = 0; i < s->sample_spec.channels; i++) {
- long alsa_vol;
- pa_volume_t vol;
-
- vol = s->virtual_volume.values[i];
-
- if (u->hw_dB_supported) {
-
- alsa_vol = (long) (pa_sw_volume_to_dB(vol) * 100);
- alsa_vol += u->hw_dB_max;
- alsa_vol = PA_CLAMP_UNLIKELY(alsa_vol, u->hw_dB_min, u->hw_dB_max);
-
- if ((err = snd_mixer_selem_set_capture_dB(u->mixer_elem, u->mixer_map[i], alsa_vol, 1)) < 0)
- goto fail;
-
- if ((err = snd_mixer_selem_get_capture_dB(u->mixer_elem, u->mixer_map[i], &alsa_vol)) < 0)
- goto fail;
+ pa_assert(u->mixer_path);
+ pa_assert(u->mixer_handle);
-#ifdef HAVE_VALGRIND_MEMCHECK_H
- VALGRIND_MAKE_MEM_DEFINED(&alsa_vol, sizeof(alsa_vol));
-#endif
+ /* Shift up by the base volume */
+ pa_sw_cvolume_divide_scalar(&r, &s->real_volume, s->base_volume);
- r.values[i] = pa_sw_volume_from_dB((double) (alsa_vol - u->hw_dB_max) / 100.0);
+ if (pa_alsa_path_set_volume(u->mixer_path, u->mixer_handle, &s->channel_map, &r, sync_volume, !sync_volume) < 0)
+ return;
- } else {
- alsa_vol = to_alsa_volume(u, vol);
+ /* Shift down by the base volume, so that 0dB becomes maximum volume */
+ pa_sw_cvolume_multiply_scalar(&r, &r, s->base_volume);
- if ((err = snd_mixer_selem_set_capture_volume(u->mixer_elem, u->mixer_map[i], alsa_vol)) < 0)
- goto fail;
+ u->hardware_volume = r;
- if ((err = snd_mixer_selem_get_capture_volume(u->mixer_elem, u->mixer_map[i], &alsa_vol)) < 0)
- goto fail;
+ 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];
- r.values[i] = from_alsa_volume(u, alsa_vol);
- }
- }
+ /* Match exactly what the user requested by software */
+ 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
+ * accuracy */
+ accurate_enough =
+ (pa_cvolume_min(&new_soft_volume) >= (PA_VOLUME_NORM - VOLUME_ACCURACY)) &&
+ (pa_cvolume_max(&new_soft_volume) <= (PA_VOLUME_NORM + VOLUME_ACCURACY));
+
+ pa_log_debug("Requested volume: %s", pa_cvolume_snprint(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_volume_t vol;
- long alsa_vol;
-
- vol = pa_cvolume_max(&s->virtual_volume);
-
- if (u->hw_dB_supported) {
- alsa_vol = (long) (pa_sw_volume_to_dB(vol) * 100);
- alsa_vol += u->hw_dB_max;
- alsa_vol = PA_CLAMP_UNLIKELY(alsa_vol, u->hw_dB_min, u->hw_dB_max);
+ pa_log_debug("Wrote hardware volume: %s", pa_cvolume_snprint(vol_str_pcnt, sizeof(vol_str_pcnt), &r));
- if ((err = snd_mixer_selem_set_capture_dB_all(u->mixer_elem, alsa_vol, 1)) < 0)
- goto fail;
-
- if ((err = snd_mixer_selem_get_capture_dB(u->mixer_elem, SND_MIXER_SCHN_MONO, &alsa_vol)) < 0)
- goto fail;
-
-#ifdef HAVE_VALGRIND_MEMCHECK_H
- VALGRIND_MAKE_MEM_DEFINED(&alsa_vol, sizeof(alsa_vol));
-#endif
+ /* We can't match exactly what the user requested, hence let's
+ * at least tell the user about it */
- pa_cvolume_set(&r, s->sample_spec.channels, pa_sw_volume_from_dB((double) (alsa_vol - u->hw_dB_max) / 100.0));
+ s->real_volume = r;
+ }
+}
- } else {
- alsa_vol = to_alsa_volume(u, vol);
+static void source_write_volume_cb(pa_source *s) {
+ struct userdata *u = s->userdata;
+ pa_cvolume hw_vol = s->thread_info.current_hw_volume;
- if ((err = snd_mixer_selem_set_capture_volume_all(u->mixer_elem, alsa_vol)) < 0)
- goto fail;
+ pa_assert(u);
+ pa_assert(u->mixer_path);
+ pa_assert(u->mixer_handle);
+ pa_assert(s->flags & PA_SOURCE_SYNC_VOLUME);
- if ((err = snd_mixer_selem_get_capture_volume(u->mixer_elem, SND_MIXER_SCHN_MONO, &alsa_vol)) < 0)
- goto fail;
+ /* Shift up by the base volume */
+ pa_sw_cvolume_divide_scalar(&hw_vol, &hw_vol, s->base_volume);
- pa_cvolume_set(&r, s->sample_spec.channels, from_alsa_volume(u, alsa_vol));
+ 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));
}
}
-
- u->hardware_volume = r;
-
- if (u->hw_dB_supported) {
- char t[PA_CVOLUME_SNPRINT_MAX];
-
- /* Match exactly what the user requested by software */
-
- pa_sw_cvolume_divide(&s->soft_volume, &s->virtual_volume, &u->hardware_volume);
-
- pa_log_debug("Requested volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->virtual_volume));
- pa_log_debug("Got hardware volume: %s", pa_cvolume_snprint(t, sizeof(t), &u->hardware_volume));
- pa_log_debug("Calculated software volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->soft_volume));
-
- } else
-
- /* We can't match exactly what the user requested, hence let's
- * at least tell the user about it */
-
- s->virtual_volume = r;
-
- return;
-
-fail:
- pa_log_error("Unable to set volume: %s", pa_alsa_strerror(err));
}
static void source_get_mute_cb(pa_source *s) {
struct userdata *u = s->userdata;
- int err, sw;
+ pa_bool_t b;
pa_assert(u);
- pa_assert(u->mixer_elem);
+ pa_assert(u->mixer_path);
+ pa_assert(u->mixer_handle);
- if ((err = snd_mixer_selem_get_capture_switch(u->mixer_elem, 0, &sw)) < 0) {
- pa_log_error("Unable to get switch: %s", pa_alsa_strerror(err));
+ if (pa_alsa_path_get_mute(u->mixer_path, u->mixer_handle, &b) < 0)
return;
- }
- s->muted = !sw;
+ s->muted = b;
}
static void source_set_mute_cb(pa_source *s) {
struct userdata *u = s->userdata;
- int err;
pa_assert(u);
- pa_assert(u->mixer_elem);
+ pa_assert(u->mixer_path);
+ pa_assert(u->mixer_handle);
- if ((err = snd_mixer_selem_set_capture_switch_all(u->mixer_elem, !s->muted)) < 0) {
- pa_log_error("Unable to set switch: %s", pa_alsa_strerror(err));
- return;
+ pa_alsa_path_set_mute(u->mixer_path, u->mixer_handle, s->muted);
+}
+
+static int source_set_port_cb(pa_source *s, pa_device_port *p) {
+ struct userdata *u = s->userdata;
+ pa_alsa_port_data *data;
+
+ pa_assert(u);
+ pa_assert(p);
+ pa_assert(u->mixer_handle);
+
+ data = PA_DEVICE_PORT_DATA(p);
+
+ 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;
+
+ pa_log_info("Fixing base volume to %0.2f dB", pa_sw_volume_to_dB(s->base_volume));
+ } else {
+ s->base_volume = PA_VOLUME_NORM;
+ s->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
}
+
+ if (data->setting)
+ pa_alsa_setting_select(data->setting, u->mixer_handle);
+
+ if (s->set_mute)
+ s->set_mute(s);
+ if (s->set_volume)
+ s->set_volume(s);
+
+ return 0;
}
static void source_update_requested_latency_cb(pa_source *s) {
struct userdata *u = s->userdata;
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;
pa_make_realtime(u->core->realtime_priority);
pa_thread_mq_install(&u->thread_mq);
- pa_rtpoll_install(u->rtpoll);
for (;;) {
int ret;
+ pa_usec_t rtpoll_sleep = 0;
#ifdef DEBUG_TIMING
pa_log_debug("Loop");
if (PA_SOURCE_IS_OPENED(u->source->thread_info.state)) {
int work_done;
pa_usec_t sleep_usec = 0;
+ pa_bool_t on_timeout = pa_rtpoll_timer_elapsed(u->rtpoll);
+
+ if (u->first) {
+ pa_log_info("Starting capture.");
+ snd_pcm_start(u->pcm_handle);
+
+ pa_smoother_resume(u->smoother, pa_rtclock_now(), TRUE);
+
+ u->first = FALSE;
+ }
if (u->use_mmap)
- work_done = mmap_read(u, &sleep_usec, revents & POLLIN);
+ work_done = mmap_read(u, &sleep_usec, revents & POLLIN, on_timeout);
else
- work_done = unix_read(u, &sleep_usec, revents & POLLIN);
+ work_done = unix_read(u, &sleep_usec, revents & POLLIN, on_timeout);
if (work_done < 0)
goto fail;
/* Convert from the sound card time domain to the
* system time domain */
- cusec = pa_smoother_translate(u->smoother, pa_rtclock_usec(), sleep_usec);
+ cusec = pa_smoother_translate(u->smoother, pa_rtclock_now(), sleep_usec);
/* 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;
if (pa_alsa_recover_from_poll(u->pcm_handle, revents) < 0)
goto fail;
- snd_pcm_start(u->pcm_handle);
- } else if (revents && u->use_tsched && pa_log_ratelimit())
+ u->first = TRUE;
+ } else if (revents && u->use_tsched && pa_log_ratelimit(PA_LOG_DEBUG))
pa_log_debug("Wakeup from ALSA!");
} else
pa_log_debug("Thread shutting down");
}
-static void set_source_name(pa_source_new_data *data, pa_modargs *ma, const char *device_id, const char *device_name) {
+static void set_source_name(pa_source_new_data *data, pa_modargs *ma, const char *device_id, const char *device_name, pa_alsa_mapping *mapping) {
const char *n;
char *t;
data->namereg_fail = FALSE;
}
- t = pa_sprintf_malloc("alsa_input.%s", n);
+ if (mapping)
+ t = pa_sprintf_malloc("alsa_input.%s.%s", n, mapping->name);
+ else
+ t = pa_sprintf_malloc("alsa_input.%s", n);
+
pa_source_new_data_set_name(data, t);
pa_xfree(t);
}
-static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB) {
+static void find_mixer(struct userdata *u, pa_alsa_mapping *mapping, const char *element, pa_bool_t ignore_dB) {
+
+ if (!mapping && !element)
+ return;
+
+ if (!(u->mixer_handle = pa_alsa_open_mixer_for_pcm(u->pcm_handle, &u->control_device))) {
+ pa_log_info("Failed to find a working mixer device.");
+ return;
+ }
+
+ if (element) {
+
+ if (!(u->mixer_path = pa_alsa_path_synthesize(element, PA_ALSA_DIRECTION_INPUT)))
+ goto fail;
+
+ if (pa_alsa_path_probe(u->mixer_path, u->mixer_handle, ignore_dB) < 0)
+ goto fail;
+
+ pa_log_debug("Probed mixer path %s:", u->mixer_path->name);
+ pa_alsa_path_dump(u->mixer_path);
+ } else {
+
+ if (!(u->mixer_path_set = pa_alsa_path_set_new(mapping, PA_ALSA_DIRECTION_INPUT)))
+ 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;
+
+fail:
+
+ if (u->mixer_path_set) {
+ pa_alsa_path_set_free(u->mixer_path_set);
+ u->mixer_path_set = NULL;
+ } else if (u->mixer_path) {
+ pa_alsa_path_free(u->mixer_path);
+ u->mixer_path = NULL;
+ }
+
+ if (u->mixer_handle) {
+ snd_mixer_close(u->mixer_handle);
+ u->mixer_handle = NULL;
+ }
+}
+
+static int setup_mixer(struct userdata *u, pa_bool_t ignore_dB, pa_bool_t sync_volume) {
pa_assert(u);
if (!u->mixer_handle)
return 0;
- pa_assert(u->mixer_elem);
+ if (u->source->active_port) {
+ pa_alsa_port_data *data;
- if (snd_mixer_selem_has_capture_volume(u->mixer_elem)) {
- pa_bool_t suitable = FALSE;
+ /* We have a list of supported paths, so let's activate the
+ * one that has been chosen as active */
- if (snd_mixer_selem_get_capture_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max) < 0)
- pa_log_info("Failed to get volume range. Falling back to software volume control.");
- else if (u->hw_volume_min >= u->hw_volume_max)
- pa_log_warn("Your kernel driver is broken: it reports a volume range from %li to %li which makes no sense.", u->hw_volume_min, u->hw_volume_max);
- else {
- pa_log_info("Volume ranges from %li to %li.", u->hw_volume_min, u->hw_volume_max);
- suitable = TRUE;
- }
+ data = PA_DEVICE_PORT_DATA(u->source->active_port);
+ u->mixer_path = data->path;
- if (suitable) {
- if (ignore_dB || snd_mixer_selem_get_capture_dB_range(u->mixer_elem, &u->hw_dB_min, &u->hw_dB_max) < 0)
- pa_log_info("Mixer doesn't support dB information or data is ignored.");
- else {
-#ifdef HAVE_VALGRIND_MEMCHECK_H
- VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_min, sizeof(u->hw_dB_min));
- VALGRIND_MAKE_MEM_DEFINED(&u->hw_dB_max, sizeof(u->hw_dB_max));
-#endif
+ pa_alsa_path_select(data->path, u->mixer_handle);
- if (u->hw_dB_min >= u->hw_dB_max)
- pa_log_warn("Your kernel driver is broken: it reports a volume range from %0.2f dB to %0.2f dB which makes no sense.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
- else {
- pa_log_info("Volume ranges from %0.2f dB to %0.2f dB.", (double) u->hw_dB_min/100.0, (double) u->hw_dB_max/100.0);
- u->hw_dB_supported = TRUE;
-
- if (u->hw_dB_max > 0) {
- u->source->base_volume = pa_sw_volume_from_dB(- (double) u->hw_dB_max/100.0);
- 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");
- }
- }
+ if (data->setting)
+ pa_alsa_setting_select(data->setting, u->mixer_handle);
- if (!u->hw_dB_supported &&
- u->hw_volume_max - u->hw_volume_min < 3) {
+ } else {
- pa_log_info("Device has less than 4 volume levels. Falling back to software volume control.");
- suitable = FALSE;
- }
- }
+ if (!u->mixer_path && u->mixer_path_set)
+ u->mixer_path = u->mixer_path_set->paths;
- if (suitable) {
- u->mixer_seperate_channels = pa_alsa_calc_mixer_map(u->mixer_elem, &u->source->channel_map, u->mixer_map, FALSE) >= 0;
+ if (u->mixer_path) {
+ /* Hmm, we have only a single path, then let's activate it */
- u->source->get_volume = source_get_volume_cb;
- u->source->set_volume = source_set_volume_cb;
- u->source->flags |= PA_SOURCE_HW_VOLUME_CTRL | (u->hw_dB_supported ? PA_SOURCE_DECIBEL_VOLUME : 0);
- pa_log_info("Using hardware volume control. Hardware dB scale %s.", u->hw_dB_supported ? "supported" : "not supported");
+ pa_alsa_path_select(u->mixer_path, u->mixer_handle);
- if (!u->hw_dB_supported)
- u->source->n_volume_steps = u->hw_volume_max - u->hw_volume_min + 1;
+ if (u->mixer_path->settings)
+ pa_alsa_setting_select(u->mixer_path->settings, u->mixer_handle);
} else
- pa_log_info("Using software volume control.");
+ return 0;
}
- if (snd_mixer_selem_has_capture_switch(u->mixer_elem)) {
+ 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->source->base_volume = pa_sw_volume_from_dB(-u->mixer_path->max_dB);
+ u->source->n_volume_steps = PA_VOLUME_NORM+1;
+
+ 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->base_volume = PA_VOLUME_NORM;
+ u->source->n_volume_steps = u->mixer_path->max_volume - u->mixer_path->min_volume + 1;
+ }
+
+ 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.");
+ }
+ }
+
+ 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_log_info("Driver does not support hardware mute control, falling back to software mute control.");
+ } else {
u->source->get_mute = source_get_mute_cb;
u->source->set_mute = source_set_mute_cb;
u->source->flags |= PA_SOURCE_HW_MUTE_CTRL;
- } else
- pa_log_info("Using software mute control.");
+ 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;
- snd_mixer_elem_set_callback(u->mixer_elem, mixer_callback);
- snd_mixer_elem_set_callback_private(u->mixer_elem, 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;
}
-pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, pa_card *card, const pa_alsa_profile_info *profile) {
+pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, pa_card *card, pa_alsa_mapping *mapping) {
struct userdata *u = NULL;
const char *dev_id = NULL;
pa_sample_spec ss, requested_ss;
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;
+ 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, sync_volume = FALSE;
pa_source_new_data data;
- char *control_device = NULL;
+ pa_alsa_profile_set *profile_set = NULL;
pa_assert(m);
pa_assert(ma);
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;
}
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) {
}
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;
}
- 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;
+ 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);
u->core = m->core;
u->module = m;
u->use_mmap = use_mmap;
u->use_tsched = use_tsched;
+ u->first = TRUE;
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
- u->alsa_rtpoll_item = NULL;
u->smoother = pa_smoother_new(
- DEFAULT_TSCHED_WATERMARK_USEC*2,
- DEFAULT_TSCHED_WATERMARK_USEC*2,
+ SMOOTHER_ADJUST_USEC,
+ SMOOTHER_WINDOW_USEC,
TRUE,
TRUE,
5,
- pa_rtclock_usec(),
- FALSE);
+ pa_rtclock_now(),
+ TRUE);
+ u->smoother_interval = SMOOTHER_MIN_INTERVAL;
+
+ dev_id = pa_modargs_get_value(
+ ma, "device_id",
+ pa_modargs_get_value(ma, "device", DEFAULT_DEVICE));
+
+ if (reserve_init(u, dev_id) < 0)
+ goto fail;
- if (reserve_init(u, pa_modargs_get_value(
- ma, "device_id",
- pa_modargs_get_value(ma, "device", DEFAULT_DEVICE))) < 0)
+ if (reserve_monitor_init(u, dev_id) < 0)
goto fail;
b = use_mmap;
d = use_tsched;
- if (profile) {
+ if (mapping) {
if (!(dev_id = pa_modargs_get_value(ma, "device_id", NULL))) {
pa_log("device_id= not set");
goto fail;
}
- if (!(u->pcm_handle = pa_alsa_open_by_device_id_profile(
+ if (!(u->pcm_handle = pa_alsa_open_by_device_id_mapping(
dev_id,
&u->device_name,
&ss, &map,
SND_PCM_STREAM_CAPTURE,
- &nfrags, &period_frames, tsched_frames,
- &b, &d, profile)))
+ &period_frames, &buffer_frames, tsched_frames,
+ &b, &d, mapping)))
goto fail;
} else if ((dev_id = pa_modargs_get_value(ma, "device_id", NULL))) {
+ if (!(profile_set = pa_alsa_profile_set_new(NULL, &map)))
+ goto fail;
+
if (!(u->pcm_handle = pa_alsa_open_by_device_id_auto(
dev_id,
&u->device_name,
&ss, &map,
SND_PCM_STREAM_CAPTURE,
- &nfrags, &period_frames, tsched_frames,
- &b, &d, &profile)))
+ &period_frames, &buffer_frames, tsched_frames,
+ &b, &d, profile_set, &mapping)))
goto fail;
} else {
&u->device_name,
&ss, &map,
SND_PCM_STREAM_CAPTURE,
- &nfrags, &period_frames, tsched_frames,
+ &period_frames, &buffer_frames, tsched_frames,
&b, &d, FALSE)))
goto fail;
}
goto fail;
}
- if (profile)
- pa_log_info("Selected configuration '%s' (%s).", profile->description, profile->name);
+ if (mapping)
+ pa_log_info("Selected mapping '%s' (%s).", mapping->description, mapping->name);
if (use_mmap && !b) {
pa_log_info("Device doesn't support mmap(), falling back to UNIX read/write mode.");
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.");
/* ALSA might tweak the sample spec, so recalculate the frame size */
frame_size = pa_frame_size(&ss);
- pa_alsa_find_mixer_and_elem(u->pcm_handle, &control_device, &u->mixer_handle, &u->mixer_elem, pa_modargs_get_value(ma, "control", NULL), profile);
+ find_mixer(u, mapping, pa_modargs_get_value(ma, "control", NULL), ignore_dB);
pa_source_new_data_init(&data);
data.driver = driver;
data.module = m;
data.card = card;
- set_source_name(&data, ma, dev_id, u->device_name);
+ set_source_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 boolean argument namereg_fail.");
+ pa_source_new_data_done(&data);
+ goto fail;
+ }
+ data.namereg_fail = namereg_fail;
+
pa_source_new_data_set_sample_spec(&data, &ss);
pa_source_new_data_set_channel_map(&data, &map);
- pa_alsa_init_proplist_pcm(m->core, data.proplist, u->pcm_handle, u->mixer_elem);
+ 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 (profile) {
- pa_proplist_sets(data.proplist, PA_PROP_DEVICE_PROFILE_NAME, profile->name);
- pa_proplist_sets(data.proplist, PA_PROP_DEVICE_PROFILE_DESCRIPTION, profile->description);
+ if (mapping) {
+ pa_proplist_sets(data.proplist, PA_PROP_DEVICE_PROFILE_NAME, mapping->name);
+ pa_proplist_sets(data.proplist, PA_PROP_DEVICE_PROFILE_DESCRIPTION, mapping->description);
}
pa_alsa_init_description(data.proplist);
- if (control_device) {
- pa_alsa_init_proplist_ctl(data.proplist, control_device);
- pa_xfree(control_device);
- }
+ if (u->control_device)
+ pa_alsa_init_proplist_ctl(data.proplist, u->control_device);
if (pa_modargs_get_proplist(ma, "source_properties", data.proplist, PA_UPDATE_REPLACE) < 0) {
pa_log("Invalid properties");
goto fail;
}
+ if (u->mixer_path_set)
+ pa_alsa_add_ports(&data.ports, u->mixer_path_set);
+
u->source = pa_source_new(m->core, &data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY|(u->use_tsched ? PA_SOURCE_DYNAMIC_LATENCY : 0));
pa_source_new_data_done(&data);
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;
- u->source->update_requested_latency = source_update_requested_latency_cb;
+ if (u->use_tsched)
+ u->source->update_requested_latency = source_update_requested_latency_cb;
u->source->set_state = source_set_state_cb;
+ u->source->set_port = source_set_port_cb;
u->source->userdata = u;
pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
pa_source_set_rtpoll(u->source, 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->source->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->source->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);
if (u->use_tsched) {
- u->watermark_step = pa_usec_to_bytes(TSCHED_WATERMARK_STEP_USEC, &u->source->sample_spec);
+ u->tsched_watermark = pa_usec_to_bytes_round_up(pa_bytes_to_usec_round_up(tsched_watermark, &requested_ss), &u->source->sample_spec);
+
+ u->watermark_inc_step = pa_usec_to_bytes(TSCHED_WATERMARK_INC_STEP_USEC, &u->source->sample_spec);
+ u->watermark_dec_step = pa_usec_to_bytes(TSCHED_WATERMARK_DEC_STEP_USEC, &u->source->sample_spec);
+
+ u->watermark_inc_threshold = pa_usec_to_bytes_round_up(TSCHED_WATERMARK_INC_THRESHOLD_USEC, &u->source->sample_spec);
+ u->watermark_dec_threshold = pa_usec_to_bytes_round_up(TSCHED_WATERMARK_DEC_THRESHOLD_USEC, &u->source->sample_spec);
fix_min_sleep_wakeup(u);
fix_tsched_watermark(u);
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);
- if (!(u->thread = pa_thread_new(thread_func, u))) {
+ if (!(u->thread = pa_thread_new("alsa-source", thread_func, u))) {
pa_log("Failed to create thread.");
goto fail;
}
+
/* Get initial mixer settings */
if (data.volume_is_set) {
if (u->source->set_volume)
pa_source_put(u->source);
+ if (profile_set)
+ pa_alsa_profile_set_free(profile_set);
+
return u->source;
fail:
if (u)
userdata_free(u);
+ if (profile_set)
+ pa_alsa_profile_set_free(profile_set);
+
return NULL;
}
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);
if (u->rtpoll)
pa_rtpoll_free(u->rtpoll);
+ if (u->pcm_handle) {
+ snd_pcm_drop(u->pcm_handle);
+ snd_pcm_close(u->pcm_handle);
+ }
+
if (u->mixer_fdl)
pa_alsa_fdlist_free(u->mixer_fdl);
+ if (u->mixer_path_set)
+ pa_alsa_path_set_free(u->mixer_path_set);
+ else if (u->mixer_path)
+ pa_alsa_path_free(u->mixer_path);
+
if (u->mixer_handle)
snd_mixer_close(u->mixer_handle);
- if (u->pcm_handle) {
- snd_pcm_drop(u->pcm_handle);
- snd_pcm_close(u->pcm_handle);
- }
-
if (u->smoother)
pa_smoother_free(u->smoother);
reserve_done(u);
+ monitor_done(u);
pa_xfree(u->device_name);
+ pa_xfree(u->control_device);
pa_xfree(u);
}