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-rw-r--r--src/modules/alsa/alsa-sink.c148
-rw-r--r--src/modules/alsa/alsa-source.c143
-rw-r--r--src/modules/alsa/alsa-util.c123
-rw-r--r--src/modules/alsa/alsa-util.h5
-rw-r--r--src/modules/alsa/module-alsa-card.c52
5 files changed, 435 insertions, 36 deletions
diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c
index 239a9d78..dbd95b63 100644
--- a/src/modules/alsa/alsa-sink.c
+++ b/src/modules/alsa/alsa-sink.c
@@ -53,6 +53,8 @@
#include <pulsecore/rtclock.h>
#include <pulsecore/time-smoother.h>
+#include <modules/reserve-wrap.h>
+
#include "alsa-util.h"
#include "alsa-sink.h"
@@ -101,10 +103,75 @@ struct userdata {
pa_smoother *smoother;
uint64_t write_count;
uint64_t since_start;
+
+ pa_reserve_wrapper *reserve;
+ pa_hook_slot *reserve_slot;
};
static void userdata_free(struct userdata *u);
+static pa_hook_result_t reserve_cb(pa_reserve_wrapper *r, void *forced, struct userdata *u) {
+ pa_assert(r);
+ pa_assert(u);
+
+ if (pa_sink_suspend(u->sink, TRUE) < 0)
+ return PA_HOOK_CANCEL;
+
+ return PA_HOOK_OK;
+}
+
+static void reserve_done(struct userdata *u) {
+ pa_assert(u);
+
+ if (u->reserve_slot) {
+ pa_hook_slot_free(u->reserve_slot);
+ u->reserve_slot = NULL;
+ }
+
+ if (u->reserve) {
+ pa_reserve_wrapper_unref(u->reserve);
+ u->reserve = NULL;
+ }
+}
+
+static void reserve_update(struct userdata *u) {
+ const char *description;
+ pa_assert(u);
+
+ if (!u->sink)
+ return;
+
+ if ((description = pa_proplist_gets(u->sink->proplist, PA_PROP_DEVICE_DESCRIPTION)))
+ pa_reserve_wrapper_set_application_device_name(u->reserve, description);
+}
+
+static int reserve_init(struct userdata *u, const char *dname) {
+ char *rname;
+
+ pa_assert(u);
+ pa_assert(dname);
+
+ if (u->reserve)
+ return 0;
+
+ /* We are resuming, try to lock the device */
+ if (!(rname = pa_alsa_get_reserve_name(dname)))
+ return 0;
+
+ u->reserve = pa_reserve_wrapper_get(u->core, rname);
+ pa_xfree(rname);
+
+ if (!(u->reserve))
+ return -1;
+
+ reserve_update(u);
+
+ pa_assert(!u->reserve_slot);
+ u->reserve_slot = pa_hook_connect(pa_reserve_wrapper_hook(u->reserve), PA_HOOK_NORMAL, (pa_hook_cb_t) reserve_cb, u);
+
+ return 0;
+}
+
static void fix_min_sleep_wakeup(struct userdata *u) {
size_t max_use, max_use_2;
@@ -255,6 +322,7 @@ static int mmap_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polle
pa_bool_t work_done = TRUE;
pa_usec_t max_sleep_usec = 0, process_usec = 0;
size_t left_to_play;
+ unsigned j = 0;
pa_assert(u);
pa_sink_assert_ref(u->sink);
@@ -304,10 +372,15 @@ static int mmap_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polle
if (PA_UNLIKELY(n_bytes <= u->hwbuf_unused)) {
- if (polled && pa_log_ratelimit())
- pa_log(_("ALSA woke us up to write new data to the device, but there was actually nothing to write! "
- "Most likely this is an ALSA driver bug. Please report this issue to the ALSA developers. "
- "We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail_update() returned 0."));
+ if (polled)
+ PA_ONCE_BEGIN {
+ char *dn = pa_alsa_get_driver_name_by_pcm(u->pcm_handle);
+ pa_log(_("ALSA woke us up to write new data to the device, but there was actually nothing to write!\n"
+ "Most likely this is a bug in the ALSA driver '%s'. Please report this issue to the ALSA developers.\n"
+ "We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail."),
+ pa_strnull(dn));
+ pa_xfree(dn);
+ } PA_ONCE_END;
#ifdef DEBUG_TIMING
pa_log_debug("Not filling up, because not necessary.");
@@ -315,6 +388,15 @@ static int mmap_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polle
break;
}
+
+ if (++j > 10) {
+#ifdef DEBUG_TIMING
+ pa_log_debug("Not filling up, because already too many iterations.");
+#endif
+
+ break;
+ }
+
n_bytes -= u->hwbuf_unused;
polled = FALSE;
@@ -394,6 +476,7 @@ static int unix_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polle
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_assert(u);
pa_sink_assert_ref(u->sink);
@@ -431,10 +514,23 @@ static int unix_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polle
if (PA_UNLIKELY(n_bytes <= u->hwbuf_unused)) {
- if (polled && pa_log_ratelimit())
- pa_log(_("ALSA woke us up to write new data to the device, but there was actually nothing to write! "
- "Most likely this is an ALSA driver bug. Please report this issue to the ALSA developers. "
- "We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail_update() returned 0."));
+ if (polled)
+ PA_ONCE_BEGIN {
+ char *dn = pa_alsa_get_driver_name_by_pcm(u->pcm_handle);
+ pa_log(_("ALSA woke us up to write new data to the device, but there was actually nothing to write!\n"
+ "Most likely this is a bug in the ALSA driver '%s'. Please report this issue to the ALSA developers.\n"
+ "We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail."),
+ pa_strnull(dn));
+ pa_xfree(dn);
+ } PA_ONCE_END;
+
+ break;
+ }
+
+ if (++j > 10) {
+#ifdef DEBUG_TIMING
+ pa_log_debug("Not filling up, because already too many iterations.");
+#endif
break;
}
@@ -512,7 +608,7 @@ static void update_smoother(struct userdata *u) {
/* Let's update the time smoother */
- if (PA_UNLIKELY((err = snd_pcm_delay(u->pcm_handle, &delay)) < 0)) {
+ if (PA_UNLIKELY((err = pa_alsa_safe_delay(u->pcm_handle, &delay, u->hwbuf_size, &u->sink->sample_spec)) < 0)) {
pa_log_warn("Failed to query DSP status data: %s", snd_strerror(err));
return;
}
@@ -572,6 +668,7 @@ static int build_pollfd(struct userdata *u) {
return 0;
}
+/* Called from IO context */
static int suspend(struct userdata *u) {
pa_assert(u);
pa_assert(u->pcm_handle);
@@ -593,6 +690,7 @@ static int suspend(struct userdata *u) {
return 0;
}
+/* Called from IO context */
static int update_sw_params(struct userdata *u) {
snd_pcm_uframes_t avail_min;
int err;
@@ -648,6 +746,7 @@ static int update_sw_params(struct userdata *u) {
return 0;
}
+/* Called from IO context */
static int unsuspend(struct userdata *u) {
pa_sample_spec ss;
int err;
@@ -720,6 +819,7 @@ fail:
return -1;
}
+/* Called from IO context */
static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct userdata *u = PA_SINK(o)->userdata;
@@ -775,6 +875,25 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
return pa_sink_process_msg(o, code, data, offset, chunk);
}
+/* Called from main context */
+static int sink_set_state_cb(pa_sink *s, pa_sink_state_t new_state) {
+ pa_sink_state_t old_state;
+ struct userdata *u;
+
+ pa_sink_assert_ref(s);
+ pa_assert_se(u = s->userdata);
+
+ old_state = pa_sink_get_state(u->sink);
+
+ if (PA_SINK_IS_OPENED(old_state) && new_state == PA_SINK_SUSPENDED)
+ 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 0;
+}
+
static int mixer_callback(snd_mixer_elem_t *elem, unsigned int mask) {
struct userdata *u = snd_mixer_elem_get_callback_private(elem);
@@ -1378,6 +1497,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
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 and channel map");
goto fail;
@@ -1438,6 +1558,11 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
pa_smoother_set_time_offset(u->smoother, usec);
pa_smoother_pause(u->smoother, usec);
+ if (reserve_init(u, pa_modargs_get_value(
+ ma, "device_id",
+ pa_modargs_get_value(ma, "device", DEFAULT_DEVICE))) < 0)
+ goto fail;
+
b = use_mmap;
d = use_tsched;
@@ -1539,6 +1664,7 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
u->sink->parent.process_msg = sink_process_msg;
u->sink->update_requested_latency = sink_update_requested_latency_cb;
+ u->sink->set_state = sink_set_state_cb;
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
@@ -1571,6 +1697,8 @@ pa_sink *pa_alsa_sink_new(pa_module *m, pa_modargs *ma, const char*driver, pa_ca
pa_log_info("Time scheduling watermark is %0.2fms",
(double) pa_bytes_to_usec(u->tsched_watermark, &ss) / PA_USEC_PER_MSEC);
+ reserve_update(u);
+
if (update_sw_params(u) < 0)
goto fail;
@@ -1651,6 +1779,8 @@ static void userdata_free(struct userdata *u) {
if (u->smoother)
pa_smoother_free(u->smoother);
+ reserve_done(u);
+
pa_xfree(u->device_name);
pa_xfree(u);
}
diff --git a/src/modules/alsa/alsa-source.c b/src/modules/alsa/alsa-source.c
index 50cdb310..39df4a91 100644
--- a/src/modules/alsa/alsa-source.c
+++ b/src/modules/alsa/alsa-source.c
@@ -54,6 +54,8 @@
#include <pulsecore/time-smoother.h>
#include <pulsecore/rtclock.h>
+#include <modules/reserve-wrap.h>
+
#include "alsa-util.h"
#include "alsa-source.h"
@@ -99,10 +101,75 @@ struct userdata {
pa_smoother *smoother;
uint64_t read_count;
+
+ pa_reserve_wrapper *reserve;
+ pa_hook_slot *reserve_slot;
};
static void userdata_free(struct userdata *u);
+static pa_hook_result_t reserve_cb(pa_reserve_wrapper *r, void *forced, struct userdata *u) {
+ pa_assert(r);
+ pa_assert(u);
+
+ if (pa_source_suspend(u->source, TRUE) < 0)
+ return PA_HOOK_CANCEL;
+
+ return PA_HOOK_OK;
+}
+
+static void reserve_done(struct userdata *u) {
+ pa_assert(u);
+
+ if (u->reserve_slot) {
+ pa_hook_slot_free(u->reserve_slot);
+ u->reserve_slot = NULL;
+ }
+
+ if (u->reserve) {
+ pa_reserve_wrapper_unref(u->reserve);
+ u->reserve = NULL;
+ }
+}
+
+static void reserve_update(struct userdata *u) {
+ const char *description;
+ pa_assert(u);
+
+ if (!u->source)
+ return;
+
+ if ((description = pa_proplist_gets(u->source->proplist, PA_PROP_DEVICE_DESCRIPTION)))
+ pa_reserve_wrapper_set_application_device_name(u->reserve, description);
+}
+
+static int reserve_init(struct userdata *u, const char *dname) {
+ char *rname;
+
+ pa_assert(u);
+ pa_assert(dname);
+
+ if (u->reserve)
+ return 0;
+
+ /* We are resuming, try to lock the device */
+ if (!(rname = pa_alsa_get_reserve_name(dname)))
+ return 0;
+
+ u->reserve = pa_reserve_wrapper_get(u->core, rname);
+ pa_xfree(rname);
+
+ if (!(u->reserve))
+ return -1;
+
+ reserve_update(u);
+
+ pa_assert(!u->reserve_slot);
+ u->reserve_slot = pa_hook_connect(pa_reserve_wrapper_hook(u->reserve), PA_HOOK_NORMAL, (pa_hook_cb_t) reserve_cb, u);
+
+ return 0;
+}
+
static void fix_min_sleep_wakeup(struct userdata *u) {
size_t max_use, max_use_2;
pa_assert(u);
@@ -248,6 +315,7 @@ static int mmap_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled
pa_bool_t work_done = FALSE;
pa_usec_t max_sleep_usec = 0, process_usec = 0;
size_t left_to_record;
+ unsigned j = 0;
pa_assert(u);
pa_source_assert_ref(u->source);
@@ -287,10 +355,15 @@ static int mmap_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled
if (PA_UNLIKELY(n_bytes <= 0)) {
- if (polled && pa_log_ratelimit())
- pa_log(_("ALSA woke us up to read new data from the device, but there was actually nothing to read! "
- "Most likely this is an ALSA driver bug. Please report this issue to the ALSA developers. "
- "We were woken up with POLLIN set -- however a subsequent snd_pcm_avail_update() returned 0."));
+ if (polled)
+ PA_ONCE_BEGIN {
+ char *dn = pa_alsa_get_driver_name_by_pcm(u->pcm_handle);
+ pa_log(_("ALSA woke us up to read new data from the device, but there was actually nothing to read!\n"
+ "Most likely this is a bug in the ALSA driver '%s'. Please report this issue to the ALSA developers.\n"
+ "We were woken up with POLLIN set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail."),
+ pa_strnull(dn));
+ pa_xfree(dn);
+ } PA_ONCE_END;
#ifdef DEBUG_TIMING
pa_log_debug("Not reading, because not necessary.");
@@ -298,6 +371,14 @@ static int mmap_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled
break;
}
+ if (++j > 10) {
+#ifdef DEBUG_TIMING
+ pa_log_debug("Not filling up, because already too many iterations.");
+#endif
+
+ break;
+ }
+
polled = FALSE;
#ifdef DEBUG_TIMING
@@ -376,6 +457,7 @@ static int unix_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled
int work_done = FALSE;
pa_usec_t max_sleep_usec = 0, process_usec = 0;
size_t left_to_record;
+ unsigned j = 0;
pa_assert(u);
pa_source_assert_ref(u->source);
@@ -406,10 +488,23 @@ static int unix_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled
if (PA_UNLIKELY(n_bytes <= 0)) {
- if (polled && pa_log_ratelimit())
- pa_log(_("ALSA woke us up to read new data from the device, but there was actually nothing to read! "
- "Most likely this is an ALSA driver bug. Please report this issue to the ALSA developers. "
- "We were woken up with POLLIN set -- however a subsequent snd_pcm_avail_update() returned 0."));
+ if (polled)
+ PA_ONCE_BEGIN {
+ char *dn = pa_alsa_get_driver_name_by_pcm(u->pcm_handle);
+ pa_log(_("ALSA woke us up to read new data from the device, but there was actually nothing to read!\n"
+ "Most likely this is a bug in the ALSA driver '%s'. Please report this issue to the ALSA developers.\n"
+ "We were woken up with POLLIN set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail."),
+ pa_strnull(dn));
+ pa_xfree(dn);
+ } PA_ONCE_END;
+
+ break;
+ }
+
+ if (++j > 10) {
+#ifdef DEBUG_TIMING
+ pa_log_debug("Not filling up, because already too many iterations.");
+#endif
break;
}
@@ -482,7 +577,7 @@ static void update_smoother(struct userdata *u) {
/* Let's update the time smoother */
- if (PA_UNLIKELY((err = snd_pcm_delay(u->pcm_handle, &delay)) < 0)) {
+ if (PA_UNLIKELY((err = pa_alsa_safe_delay(u->pcm_handle, &delay, u->hwbuf_size, &u->source->sample_spec)) < 0)) {
pa_log_warn("Failed to get delay: %s", snd_strerror(err));
return;
}
@@ -737,6 +832,25 @@ static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t off
return pa_source_process_msg(o, code, data, offset, chunk);
}
+/* Called from main context */
+static int source_set_state_cb(pa_source *s, pa_source_state_t new_state) {
+ pa_source_state_t old_state;
+ struct userdata *u;
+
+ pa_source_assert_ref(s);
+ pa_assert_se(u = s->userdata);
+
+ old_state = pa_source_get_state(u->source);
+
+ if (PA_SINK_IS_OPENED(old_state) && new_state == PA_SINK_SUSPENDED)
+ 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 0;
+}
+
static int mixer_callback(snd_mixer_elem_t *elem, unsigned int mask) {
struct userdata *u = snd_mixer_elem_get_callback_private(elem);
@@ -1229,6 +1343,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
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");
goto fail;
@@ -1287,6 +1402,11 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
u->smoother = pa_smoother_new(DEFAULT_TSCHED_WATERMARK_USEC*2, DEFAULT_TSCHED_WATERMARK_USEC*2, TRUE, 5);
pa_smoother_set_time_offset(u->smoother, pa_rtclock_usec());
+ if (reserve_init(u, pa_modargs_get_value(
+ ma, "device_id",
+ pa_modargs_get_value(ma, "device", DEFAULT_DEVICE))) < 0)
+ goto fail;
+
b = use_mmap;
d = use_tsched;
@@ -1385,6 +1505,7 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
u->source->parent.process_msg = source_process_msg;
u->source->update_requested_latency = source_update_requested_latency_cb;
+ u->source->set_state = source_set_state_cb;
u->source->userdata = u;
pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
@@ -1414,6 +1535,8 @@ pa_source *pa_alsa_source_new(pa_module *m, pa_modargs *ma, const char*driver, p
pa_log_info("Time scheduling watermark is %0.2fms",
(double) pa_bytes_to_usec(u->tsched_watermark, &ss) / PA_USEC_PER_MSEC);
+ reserve_update(u);
+
if (update_sw_params(u) < 0)
goto fail;
@@ -1490,6 +1613,8 @@ static void userdata_free(struct userdata *u) {
if (u->smoother)
pa_smoother_free(u->smoother);
+ reserve_done(u);
+
pa_xfree(u->device_name);
pa_xfree(u);
}
diff --git a/src/modules/alsa/alsa-util.c b/src/modules/alsa/alsa-util.c
index d00a80f1..6740c069 100644
--- a/src/modules/alsa/alsa-util.c
+++ b/src/modules/alsa/alsa-util.c
@@ -39,6 +39,7 @@
#include <pulsecore/core-util.h>
#include <pulsecore/atomic.h>
#include <pulsecore/core-error.h>
+#include <pulsecore/once.h>
#include "alsa-util.h"
@@ -1026,6 +1027,7 @@ snd_mixer_elem_t *pa_alsa_find_elem(snd_mixer_t *mixer, const char *name, const
pa_assert(name);
snd_mixer_selem_id_set_name(sid, name);
+ snd_mixer_selem_id_set_index(sid, 0);
if ((elem = snd_mixer_find_selem(mixer, sid))) {
@@ -1042,6 +1044,7 @@ snd_mixer_elem_t *pa_alsa_find_elem(snd_mixer_t *mixer, const char *name, const
if (fallback) {
snd_mixer_selem_id_set_name(sid, fallback);
+ snd_mixer_selem_id_set_index(sid, 0);
if ((fallback_elem = snd_mixer_find_selem(mixer, sid))) {
@@ -1084,7 +1087,6 @@ success:
return elem;
}
-
int pa_alsa_find_mixer_and_elem(
snd_pcm_t *pcm,
snd_mixer_t **_m,
@@ -1446,9 +1448,9 @@ void pa_alsa_init_proplist_pcm_info(pa_core *c, pa_proplist *p, snd_pcm_info_t *
cn = pa_proplist_gets(p, "alsa.card_name");
}
- if (cn && n)
- pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, "%s - %s", cn, n);
- else if (cn)
+ if (cn && n && !strstr(cn, n) && !strstr(n, cn))
+ pa_proplist_setf(p, PA_PROP_DEVICE_DESCRIPTION, "%s, %s", cn, n);
+ else if (cn && (!n || strstr(cn, n)))
pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, cn);
else if (n)
pa_proplist_sets(p, PA_PROP_DEVICE_DESCRIPTION, n);
@@ -1572,15 +1574,70 @@ snd_pcm_sframes_t pa_alsa_safe_avail(snd_pcm_t *pcm, size_t hwbuf_size, const pa
k = (size_t) n * pa_frame_size(ss);
- if (k >= hwbuf_size * 3 ||
- k >= pa_bytes_per_second(ss)*10)
- pa_log(_("snd_pcm_avail_update() returned a value that is exceptionally large: %lu bytes (%lu ms). "
- "Most likely this is an ALSA driver bug. Please report this issue to the ALSA developers."),
- (unsigned long) k, (unsigned long) (pa_bytes_to_usec(k, ss) / PA_USEC_PER_MSEC));
+ if (k >= hwbuf_size * 5 ||
+ k >= pa_bytes_per_second(ss)*10) {
+
+ PA_ONCE_BEGIN {
+ char *dn = pa_alsa_get_driver_name_by_pcm(pcm);
+ pa_log(_("snd_pcm_avail() returned a value that is exceptionally large: %lu bytes (%lu ms).\n"
+ "Most likely this is a bug in the ALSA driver '%s'. Please report this issue to the ALSA developers."),
+ (unsigned long) k,
+ (unsigned long) (pa_bytes_to_usec(k, ss) / PA_USEC_PER_MSEC),
+ pa_strnull(dn));
+ pa_xfree(dn);
+ } PA_ONCE_END;
+
+ /* Mhmm, let's try not to fail completely */
+ n = (snd_pcm_sframes_t) (hwbuf_size / pa_frame_size(ss));
+ }
return n;
}
+int pa_alsa_safe_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delay, size_t hwbuf_size, const pa_sample_spec *ss) {
+ ssize_t k;
+ size_t abs_k;
+ int r;
+
+ pa_assert(pcm);
+ pa_assert(delay);
+ pa_assert(hwbuf_size > 0);
+ pa_assert(ss);
+
+ /* Some ALSA driver expose weird bugs, let's inform the user about
+ * what is going on */
+
+ if ((r = snd_pcm_delay(pcm, delay)) < 0)
+ return r;
+
+ k = (ssize_t) *delay * (ssize_t) pa_frame_size(ss);
+
+ abs_k = k >= 0 ? (size_t) k : (size_t) -k;
+
+ if (abs_k >= hwbuf_size * 5 ||
+ abs_k >= pa_bytes_per_second(ss)*10) {
+
+ PA_ONCE_BEGIN {
+ char *dn = pa_alsa_get_driver_name_by_pcm(pcm);
+ pa_log(_("snd_pcm_delay() returned a value that is exceptionally large: %li bytes (%s%lu ms).\n"
+ "Most likely this is a bug in the ALSA driver '%s'. Please report this issue to the ALSA developers."),
+ (signed long) k,
+ k < 0 ? "-" : "",
+ (unsigned long) (pa_bytes_to_usec(abs_k, ss) / PA_USEC_PER_MSEC),
+ pa_strnull(dn));
+ pa_xfree(dn);
+ } PA_ONCE_END;
+
+ /* Mhmm, let's try not to fail completely */
+ if (k < 0)
+ *delay = -(snd_pcm_sframes_t) (hwbuf_size / pa_frame_size(ss));
+ else
+ *delay = (snd_pcm_sframes_t) (hwbuf_size / pa_frame_size(ss));
+ }
+
+ return 0;
+}
+
int pa_alsa_safe_mmap_begin(snd_pcm_t *pcm, const snd_pcm_channel_area_t **areas, snd_pcm_uframes_t *offset, snd_pcm_uframes_t *frames, size_t hwbuf_size, const pa_sample_spec *ss) {
int r;
snd_pcm_uframes_t before;
@@ -1606,9 +1663,15 @@ int pa_alsa_safe_mmap_begin(snd_pcm_t *pcm, const snd_pcm_channel_area_t **areas
k >= hwbuf_size * 3 ||
k >= pa_bytes_per_second(ss)*10)
- pa_log(_("snd_pcm_mmap_begin() returned a value that is exceptionally large: %lu bytes (%lu ms). "
- "Most likely this is an ALSA driver bug. Please report this issue to the ALSA developers."),
- (unsigned long) k, (unsigned long) (pa_bytes_to_usec(k, ss) / PA_USEC_PER_MSEC));
+ PA_ONCE_BEGIN {
+ char *dn = pa_alsa_get_driver_name_by_pcm(pcm);
+ pa_log(_("snd_pcm_mmap_begin() returned a value that is exceptionally large: %lu bytes (%lu ms).\n"
+ "Most likely this is a bug in the ALSA driver '%s'. Please report this issue to the ALSA developers."),
+ (unsigned long) k,
+ (unsigned long) (pa_bytes_to_usec(k, ss) / PA_USEC_PER_MSEC),
+ pa_strnull(dn));
+ pa_xfree(dn);
+ } PA_ONCE_END;
return r;
}
@@ -1630,3 +1693,39 @@ char *pa_alsa_get_driver_name(int card) {
return n;
}
+
+char *pa_alsa_get_driver_name_by_pcm(snd_pcm_t *pcm) {
+ int card;
+
+ snd_pcm_info_t* info;
+ snd_pcm_info_alloca(&info);
+
+ if (snd_pcm_info(pcm, info) < 0)
+ return NULL;
+
+ if ((card = snd_pcm_info_get_card(info)) < 0)
+ return NULL;
+
+ return pa_alsa_get_driver_name(card);
+}
+
+char *pa_alsa_get_reserve_name(const char *device) {
+ const char *t;
+ int i;
+
+ pa_assert(device);
+
+ if ((t = strchr(device, ':')))
+ device = t+1;
+
+ if ((i = snd_card_get_index(device)) < 0) {
+ int32_t k;
+
+ if (pa_atoi(device, &k) < 0)
+ return NULL;
+
+ i = (int) k;
+ }
+
+ return pa_sprintf_malloc("Audio%i", i);
+}
diff --git a/src/modules/alsa/alsa-util.h b/src/modules/alsa/alsa-util.h
index 2d0f407e..899532e2 100644
--- a/src/modules/alsa/alsa-util.h
+++ b/src/modules/alsa/alsa-util.h
@@ -129,8 +129,13 @@ int pa_alsa_recover_from_poll(snd_pcm_t *pcm, int revents);
pa_rtpoll_item* pa_alsa_build_pollfd(snd_pcm_t *pcm, pa_rtpoll *rtpoll);
snd_pcm_sframes_t pa_alsa_safe_avail(snd_pcm_t *pcm, size_t hwbuf_size, const pa_sample_spec *ss);
+int pa_alsa_safe_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delay, size_t hwbuf_size, const pa_sample_spec *ss);
int pa_alsa_safe_mmap_begin(snd_pcm_t *pcm, const snd_pcm_channel_area_t **areas, snd_pcm_uframes_t *offset, snd_pcm_uframes_t *frames, size_t hwbuf_size, const pa_sample_spec *ss);
char *pa_alsa_get_driver_name(int card);
+char *pa_alsa_get_driver_name_by_pcm(snd_pcm_t *pcm);
+
+char *pa_alsa_get_reserve_name(const char *device);
+
#endif
diff --git a/src/modules/alsa/module-alsa-card.c b/src/modules/alsa/module-alsa-card.c
index e517ddcc..fc6b886b 100644
--- a/src/modules/alsa/module-alsa-card.c
+++ b/src/modules/alsa/module-alsa-card.c
@@ -30,6 +30,8 @@
#include <pulsecore/modargs.h>
#include <pulsecore/queue.h>
+#include <modules/reserve-wrap.h>
+
#include "alsa-util.h"
#include "alsa-sink.h"
#include "alsa-source.h"
@@ -88,6 +90,8 @@ struct userdata {
pa_source *source;
pa_modargs *modargs;
+
+ pa_hashmap *profiles;
};
struct profile_data {
@@ -99,10 +103,11 @@ static void enumerate_cb(
const pa_alsa_profile_info *source,
void *userdata) {
- pa_hashmap *profiles = (pa_hashmap *) userdata;
+ struct userdata *u = userdata;
char *t, *n;
pa_card_profile *p;
struct profile_data *d;
+ unsigned bonus = 0;
if (sink && source) {
n = pa_sprintf_malloc("output-%s+input-%s", sink->name, source->name);
@@ -116,6 +121,20 @@ static void enumerate_cb(
t = pa_sprintf_malloc(_("Input %s"), _(source->description));
}
+ if (sink) {
+ if (pa_channel_map_equal(&sink->map, &u->core->default_channel_map))
+ bonus += 50000;
+ else if (sink->map.channels == u->core->default_channel_map.channels)
+ bonus += 40000;
+ }
+
+ if (source) {
+ if (pa_channel_map_equal(&source->map, &u->core->default_channel_map))
+ bonus += 30000;
+ else if (source->map.channels == u->core->default_channel_map.channels)
+ bonus += 20000;
+ }
+
pa_log_info("Found output profile '%s'", t);
p = pa_card_profile_new(n, t, sizeof(struct profile_data));
@@ -123,7 +142,11 @@ static void enumerate_cb(
pa_xfree(t);
pa_xfree(n);
- p->priority = (sink ? sink->priority : 0)*100 + (source ? source->priority : 0);
+ p->priority =
+ (sink ? sink->priority : 0) * 100 +
+ (source ? source->priority : 0) +
+ bonus;
+
p->n_sinks = !!sink;
p->n_sources = !!source;
@@ -137,7 +160,7 @@ static void enumerate_cb(
d->sink_profile = sink;
d->source_profile = source;
- pa_hashmap_put(profiles, p->name, p);
+ pa_hashmap_put(u->profiles, p->name, p);
}
static void add_disabled_profile(pa_hashmap *profiles) {
@@ -252,11 +275,14 @@ static void set_card_name(pa_card_new_data *data, pa_modargs *ma, const char *de
pa_xfree(t);
}
-int pa__init(pa_module*m) {
+int pa__init(pa_module *m) {
pa_card_new_data data;
pa_modargs *ma;
int alsa_card_index;
struct userdata *u;
+ char rname[32];
+ pa_reserve_wrapper *reserve = NULL;
+ const char *description;
pa_alsa_redirect_errors_inc();
snd_config_update_free_global();
@@ -282,6 +308,11 @@ int pa__init(pa_module*m) {
goto fail;
}
+ pa_snprintf(rname, sizeof(rname), "Audio%i", alsa_card_index);
+
+ if (!(reserve = pa_reserve_wrapper_get(m->core, rname)))
+ goto fail;
+
pa_card_new_data_init(&data);
data.driver = __FILE__;
data.module = m;
@@ -289,8 +320,12 @@ int pa__init(pa_module*m) {
pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, u->device_id);
set_card_name(&data, ma, u->device_id);
- data.profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
- if (pa_alsa_probe_profiles(u->device_id, &m->core->default_sample_spec, enumerate_cb, data.profiles) < 0) {
+ if (reserve)
+ if ((description = pa_proplist_gets(data.proplist, PA_PROP_DEVICE_DESCRIPTION)))
+ pa_reserve_wrapper_set_application_device_name(reserve, description);
+
+ u->profiles = data.profiles = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
+ if (pa_alsa_probe_profiles(u->device_id, &m->core->default_sample_spec, enumerate_cb, u) < 0) {
pa_card_new_data_done(&data);
goto fail;
}
@@ -314,11 +349,16 @@ int pa__init(pa_module*m) {
init_profile(u);
+ pa_reserve_wrapper_unref(reserve);
+
return 0;
fail:
+ if (reserve)
+ pa_reserve_wrapper_unref(reserve);
pa__done(m);
+
return -1;
}