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-rw-r--r--src/modules/alsa/alsa-mixer.c16
-rw-r--r--src/modules/alsa/mixer/paths/analog-output-lfe-on-mono.conf7
-rw-r--r--src/modules/alsa/mixer/paths/analog-output-mono.conf7
-rw-r--r--src/modules/alsa/mixer/paths/analog-output.conf7
-rw-r--r--src/modules/gconf/module-gconf.c9
-rw-r--r--src/modules/module-combine.c2
-rw-r--r--src/modules/module-ladspa-sink.c79
-rw-r--r--src/modules/module-remap-sink.c7
-rw-r--r--src/modules/module-solaris.c100
-rw-r--r--src/modules/module-udev-detect.c303
10 files changed, 419 insertions, 118 deletions
diff --git a/src/modules/alsa/alsa-mixer.c b/src/modules/alsa/alsa-mixer.c
index a4c2ee0f..61c92cd0 100644
--- a/src/modules/alsa/alsa-mixer.c
+++ b/src/modules/alsa/alsa-mixer.c
@@ -929,7 +929,7 @@ static int element_zero_volume(pa_alsa_element *e, snd_mixer_t *m) {
int pa_alsa_path_select(pa_alsa_path *p, snd_mixer_t *m) {
pa_alsa_element *e;
- int r;
+ int r = 0;
pa_assert(m);
pa_assert(p);
@@ -1849,7 +1849,12 @@ pa_alsa_path* pa_alsa_path_new(const char *fname, pa_alsa_direction_t direction)
items[1].data = &p->description;
items[2].data = &p->name;
- fn = pa_maybe_prefix_path(fname, PA_ALSA_PATHS_DIR);
+ fn = pa_maybe_prefix_path(fname,
+#if defined(__linux__) && !defined(__OPTIMIZE__)
+ pa_run_from_build_tree() ? PA_BUILDDIR "/modules/alsa/mixer/paths/" :
+#endif
+ PA_ALSA_PATHS_DIR);
+
r = pa_config_parse(fn, NULL, items, p);
pa_xfree(fn);
@@ -3110,7 +3115,12 @@ pa_alsa_profile_set* pa_alsa_profile_set_new(const char *fname, const pa_channel
if (!fname)
fname = "default.conf";
- fn = pa_maybe_prefix_path(fname, PA_ALSA_PROFILE_SETS_DIR);
+ fn = pa_maybe_prefix_path(fname,
+#if defined(__linux__) && !defined(__OPTIMIZE__)
+ pa_run_from_build_tree() ? PA_BUILDDIR "/modules/alsa/mixer/profile-sets/" :
+#endif
+ PA_ALSA_PROFILE_SETS_DIR);
+
r = pa_config_parse(fn, NULL, items, ps);
pa_xfree(fn);
diff --git a/src/modules/alsa/mixer/paths/analog-output-lfe-on-mono.conf b/src/modules/alsa/mixer/paths/analog-output-lfe-on-mono.conf
index 2db976a5..3457d4a2 100644
--- a/src/modules/alsa/mixer/paths/analog-output-lfe-on-mono.conf
+++ b/src/modules/alsa/mixer/paths/analog-output-lfe-on-mono.conf
@@ -41,9 +41,12 @@ volume = merge
override-map.1 = lfe
override-map.2 = lfe,lfe
+; This profile path is intended to control the speaker, not the
+; headphones. But it should not hurt if we leave the headphone jack
+; enabled nonetheless.
[Element Headphone]
-switch = off
-volume = off
+switch = mute
+volume = zero
[Element Speaker]
switch = mute
diff --git a/src/modules/alsa/mixer/paths/analog-output-mono.conf b/src/modules/alsa/mixer/paths/analog-output-mono.conf
index a58cc970..dc270cfe 100644
--- a/src/modules/alsa/mixer/paths/analog-output-mono.conf
+++ b/src/modules/alsa/mixer/paths/analog-output-mono.conf
@@ -38,9 +38,12 @@ volume = merge
override-map.1 = all
override-map.2 = all-left,all-right
+; This profile path is intended to control the speaker, not the
+; headphones. But it should not hurt if we leave the headphone jack
+; enabled nonetheless.
[Element Headphone]
-switch = off
-volume = off
+switch = mute
+volume = zero
[Element Speaker]
switch = mute
diff --git a/src/modules/alsa/mixer/paths/analog-output.conf b/src/modules/alsa/mixer/paths/analog-output.conf
index b412a437..f71a05a1 100644
--- a/src/modules/alsa/mixer/paths/analog-output.conf
+++ b/src/modules/alsa/mixer/paths/analog-output.conf
@@ -37,9 +37,12 @@ override-map.2 = all-left,all-right
switch = off
volume = off
+; This profile path is intended to control the speaker, not the
+; headphones. But it should not hurt if we leave the headphone jack
+; enabled nonetheless.
[Element Headphone]
-switch = off
-volume = off
+switch = mute
+volume = zero
[Element Speaker]
switch = mute
diff --git a/src/modules/gconf/module-gconf.c b/src/modules/gconf/module-gconf.c
index c01ebbf6..85523b39 100644
--- a/src/modules/gconf/module-gconf.c
+++ b/src/modules/gconf/module-gconf.c
@@ -52,9 +52,6 @@ PA_MODULE_LOAD_ONCE(TRUE);
#define MAX_MODULES 10
#define BUF_MAX 2048
-/* #undef PA_GCONF_HELPER */
-/* #define PA_GCONF_HELPER "/home/lennart/projects/pulseaudio/src/gconf-helper" */
-
struct module_item {
char *name;
char *args;
@@ -343,7 +340,11 @@ int pa__init(pa_module*m) {
u->io_event = NULL;
u->buf_fill = 0;
- if ((u->fd = pa_start_child_for_read(PA_GCONF_HELPER, NULL, &u->pid)) < 0)
+ if ((u->fd = pa_start_child_for_read(
+#if defined(__linux__) && !defined(__OPTIMIZE__)
+ pa_run_from_build_tree() ? PA_BUILDDIR "/.libs/gconf-helper" :
+#endif
+ PA_GCONF_HELPER, NULL, &u->pid)) < 0)
goto fail;
u->io_event = m->core->mainloop->io_new(
diff --git a/src/modules/module-combine.c b/src/modules/module-combine.c
index 582cbce1..e90ef11c 100644
--- a/src/modules/module-combine.c
+++ b/src/modules/module-combine.c
@@ -1161,6 +1161,8 @@ int pa__init(pa_module*m) {
pa_channel_map slaves_map;
pa_bool_t is_first_slave = TRUE;
+ pa_sample_spec_init(&slaves_spec);
+
while ((n = pa_split(slaves, ",", &split_state))) {
pa_sink *slave_sink;
diff --git a/src/modules/module-ladspa-sink.c b/src/modules/module-ladspa-sink.c
index f2d53d00..aa28f7fd 100644
--- a/src/modules/module-ladspa-sink.c
+++ b/src/modules/module-ladspa-sink.c
@@ -99,7 +99,7 @@ static const char* const valid_modargs[] = {
};
/* Called from I/O thread context */
-static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+static int sink_process_msg_cb(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
struct userdata *u = PA_SINK(o)->userdata;
switch (code) {
@@ -130,7 +130,7 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
}
/* Called from main context */
-static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
+static int sink_set_state_cb(pa_sink *s, pa_sink_state_t state) {
struct userdata *u;
pa_sink_assert_ref(s);
@@ -145,7 +145,7 @@ static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
}
/* Called from I/O thread context */
-static void sink_request_rewind(pa_sink *s) {
+static void sink_request_rewind_cb(pa_sink *s) {
struct userdata *u;
pa_sink_assert_ref(s);
@@ -160,7 +160,7 @@ static void sink_request_rewind(pa_sink *s) {
}
/* Called from I/O thread context */
-static void sink_update_requested_latency(pa_sink *s) {
+static void sink_update_requested_latency_cb(pa_sink *s) {
struct userdata *u;
pa_sink_assert_ref(s);
@@ -176,6 +176,34 @@ static void sink_update_requested_latency(pa_sink *s) {
pa_sink_get_requested_latency_within_thread(s));
}
+/* Called from main context */
+static void sink_set_volume_cb(pa_sink *s) {
+ struct userdata *u;
+
+ pa_sink_assert_ref(s);
+ pa_assert_se(u = s->userdata);
+
+ if (!PA_SINK_IS_LINKED(pa_sink_get_state(s)) ||
+ !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
+ return;
+
+ pa_sink_input_set_volume(u->sink_input, &s->real_volume, s->save_volume, TRUE);
+}
+
+/* Called from main context */
+static void sink_set_mute_cb(pa_sink *s) {
+ struct userdata *u;
+
+ pa_sink_assert_ref(s);
+ pa_assert_se(u = s->userdata);
+
+ if (!PA_SINK_IS_LINKED(pa_sink_get_state(s)) ||
+ !PA_SINK_INPUT_IS_LINKED(pa_sink_input_get_state(u->sink_input)))
+ return;
+
+ pa_sink_input_set_mute(u->sink_input, s->muted, s->save_muted);
+}
+
/* Called from I/O thread context */
static int sink_input_pop_cb(pa_sink_input *i, size_t nbytes, pa_memchunk *chunk) {
struct userdata *u;
@@ -390,8 +418,31 @@ static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest) {
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- pa_sink_set_asyncmsgq(u->sink, dest->asyncmsgq);
- pa_sink_update_flags(u->sink, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY, dest->flags);
+ if (dest) {
+ pa_sink_set_asyncmsgq(u->sink, dest->asyncmsgq);
+ pa_sink_update_flags(u->sink, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY, dest->flags);
+ } else
+ pa_sink_set_asyncmsgq(u->sink, NULL);
+}
+
+/* Called from main context */
+static void sink_input_volume_changed_cb(pa_sink_input *i) {
+ struct userdata *u;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
+
+ pa_sink_volume_changed(u->sink, &i->volume);
+}
+
+/* Called from main context */
+static void sink_input_mute_changed_cb(pa_sink_input *i) {
+ struct userdata *u;
+
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(u = i->userdata);
+
+ pa_sink_mute_changed(u->sink, i->muted);
}
int pa__init(pa_module*m) {
@@ -731,7 +782,9 @@ int pa__init(pa_module*m) {
goto fail;
}
- u->sink = pa_sink_new(m->core, &sink_data, master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY));
+ u->sink = pa_sink_new(m->core, &sink_data,
+ PA_SINK_HW_MUTE_CTRL|PA_SINK_HW_VOLUME_CTRL|PA_SINK_DECIBEL_VOLUME|
+ (master->flags & (PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY)));
pa_sink_new_data_done(&sink_data);
if (!u->sink) {
@@ -739,10 +792,12 @@ int pa__init(pa_module*m) {
goto fail;
}
- u->sink->parent.process_msg = sink_process_msg;
- u->sink->set_state = sink_set_state;
- u->sink->update_requested_latency = sink_update_requested_latency;
- u->sink->request_rewind = sink_request_rewind;
+ u->sink->parent.process_msg = sink_process_msg_cb;
+ u->sink->set_state = sink_set_state_cb;
+ u->sink->update_requested_latency = sink_update_requested_latency_cb;
+ u->sink->request_rewind = sink_request_rewind_cb;
+ u->sink->set_volume = sink_set_volume_cb;
+ u->sink->set_mute = sink_set_mute_cb;
u->sink->userdata = u;
pa_sink_set_asyncmsgq(u->sink, master->asyncmsgq);
@@ -775,6 +830,8 @@ int pa__init(pa_module*m) {
u->sink_input->state_change = sink_input_state_change_cb;
u->sink_input->may_move_to = sink_input_may_move_to_cb;
u->sink_input->moving = sink_input_moving_cb;
+ u->sink_input->volume_changed = sink_input_volume_changed_cb;
+ u->sink_input->mute_changed = sink_input_mute_changed_cb;
u->sink_input->userdata = u;
pa_sink_put(u->sink);
diff --git a/src/modules/module-remap-sink.c b/src/modules/module-remap-sink.c
index 0b4fdc9b..becff55c 100644
--- a/src/modules/module-remap-sink.c
+++ b/src/modules/module-remap-sink.c
@@ -302,8 +302,11 @@ static void sink_input_moving_cb(pa_sink_input *i, pa_sink *dest) {
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
- pa_sink_set_asyncmsgq(u->sink, dest->asyncmsgq);
- pa_sink_update_flags(u->sink, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY, dest->flags);
+ if (dest) {
+ pa_sink_set_asyncmsgq(u->sink, dest->asyncmsgq);
+ pa_sink_update_flags(u->sink, PA_SINK_LATENCY|PA_SINK_DYNAMIC_LATENCY, dest->flags);
+ } else
+ pa_sink_set_asyncmsgq(u->sink, NULL);
}
int pa__init(pa_module*m) {
diff --git a/src/modules/module-solaris.c b/src/modules/module-solaris.c
index 0920d25e..71f14071 100644
--- a/src/modules/module-solaris.c
+++ b/src/modules/module-solaris.c
@@ -60,6 +60,7 @@
#include <pulsecore/thread-mq.h>
#include <pulsecore/rtpoll.h>
#include <pulsecore/thread.h>
+#include <pulsecore/time-smoother.h>
#include "module-solaris-symdef.h"
@@ -110,6 +111,8 @@ struct userdata {
uint32_t prev_playback_samples, prev_record_samples;
int32_t minimum_request;
+
+ pa_smoother *smoother;
};
static const char* const valid_modargs[] = {
@@ -133,6 +136,9 @@ static const char* const valid_modargs[] = {
#define MAX_RENDER_HZ (300)
/* This render rate limit imposes a minimum latency, but without it we waste too much CPU time. */
+#define MAX_BUFFER_SIZE (128 * 1024)
+/* An attempt to buffer more than 128 KB causes write() to fail with errno == EAGAIN. */
+
static uint64_t get_playback_buffered_bytes(struct userdata *u) {
audio_info_t info;
uint64_t played_bytes;
@@ -145,7 +151,12 @@ static uint64_t get_playback_buffered_bytes(struct userdata *u) {
/* Handle wrap-around of the device's sample counter, which is a uint_32. */
if (u->prev_playback_samples > info.play.samples) {
- /* Unfortunately info.play.samples can sometimes go backwards, even before it wraps! */
+ /*
+ * Unfortunately info.play.samples can sometimes go backwards, even before it wraps!
+ * The bug seems to be absent on Solaris x86 nv117 with audio810 driver, at least on this (UP) machine.
+ * The bug is present on a different (SMP) machine running Solaris x86 nv103 with audioens driver.
+ * An earlier revision of this file mentions the same bug independently (unknown configuration).
+ */
if (u->prev_playback_samples + info.play.samples < 240000) {
++u->play_samples_msw;
} else {
@@ -155,6 +166,8 @@ static uint64_t get_playback_buffered_bytes(struct userdata *u) {
u->prev_playback_samples = info.play.samples;
played_bytes = (((uint64_t)u->play_samples_msw << 32) + info.play.samples) * u->frame_size;
+ pa_smoother_put(u->smoother, pa_rtclock_now(), pa_bytes_to_usec(played_bytes, &u->sink->sample_spec));
+
return u->written_bytes - played_bytes;
}
@@ -387,6 +400,8 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
pa_assert(PA_SINK_IS_OPENED(u->sink->thread_info.state));
+ pa_smoother_pause(u->smoother, pa_rtclock_now());
+
if (!u->source || u->source_suspended) {
if (suspend(u) < 0)
return -1;
@@ -398,6 +413,8 @@ static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offse
case PA_SINK_RUNNING:
if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
+ pa_smoother_resume(u->smoother, pa_rtclock_now(), TRUE);
+
if (!u->source || u->source_suspended) {
if (unsuspend(u) < 0)
return -1;
@@ -479,7 +496,7 @@ static void sink_set_volume(pa_sink *s) {
if (u->fd >= 0) {
AUDIO_INITINFO(&info);
- info.play.gain = pa_cvolume_max(&s->virtual_volume) * AUDIO_MAX_GAIN / PA_VOLUME_NORM;
+ info.play.gain = pa_cvolume_max(&s->real_volume) * AUDIO_MAX_GAIN / PA_VOLUME_NORM;
assert(info.play.gain <= AUDIO_MAX_GAIN);
if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0) {
@@ -501,8 +518,7 @@ static void sink_get_volume(pa_sink *s) {
if (ioctl(u->fd, AUDIO_GETINFO, &info) < 0)
pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
else
- pa_cvolume_set(&s->virtual_volume, s->sample_spec.channels,
- info.play.gain * PA_VOLUME_NORM / AUDIO_MAX_GAIN);
+ pa_cvolume_set(&s->real_volume, s->sample_spec.channels, info.play.gain * PA_VOLUME_NORM / AUDIO_MAX_GAIN);
}
}
@@ -515,7 +531,7 @@ static void source_set_volume(pa_source *s) {
if (u->fd >= 0) {
AUDIO_INITINFO(&info);
- info.play.gain = pa_cvolume_max(&s->virtual_volume) * AUDIO_MAX_GAIN / PA_VOLUME_NORM;
+ info.play.gain = pa_cvolume_max(&s->volume) * AUDIO_MAX_GAIN / PA_VOLUME_NORM;
assert(info.play.gain <= AUDIO_MAX_GAIN);
if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0) {
@@ -537,8 +553,7 @@ static void source_get_volume(pa_source *s) {
if (ioctl(u->fd, AUDIO_GETINFO, &info) < 0)
pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
else
- pa_cvolume_set(&s->virtual_volume, s->sample_spec.channels,
- info.play.gain * PA_VOLUME_NORM / AUDIO_MAX_GAIN);
+ pa_cvolume_set(&s->volume, s->sample_spec.channels, info.play.gain * PA_VOLUME_NORM / AUDIO_MAX_GAIN);
}
}
@@ -606,11 +621,13 @@ static void thread_func(void *userdata) {
pa_thread_mq_install(&u->thread_mq);
+ pa_smoother_set_time_offset(u->smoother, pa_rtclock_now());
+
for (;;) {
/* Render some data and write it to the dsp */
if (u->sink && PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
- pa_usec_t xtime0;
+ pa_usec_t xtime0, ysleep_interval, xsleep_interval;
uint64_t buffered_bytes;
if (u->sink->thread_info.rewind_requested)
@@ -629,12 +646,15 @@ static void thread_func(void *userdata) {
info.play.error = 0;
if (ioctl(u->fd, AUDIO_SETINFO, &info) < 0)
pa_log("AUDIO_SETINFO: %s", pa_cstrerror(errno));
+
+ pa_smoother_reset(u->smoother, pa_rtclock_now(), TRUE);
}
for (;;) {
void *p;
ssize_t w;
size_t len;
+ int write_type = 1;
/*
* Since we cannot modify the size of the output buffer we fake it
@@ -652,38 +672,31 @@ static void thread_func(void *userdata) {
break;
if (u->memchunk.length < len)
- pa_sink_render(u->sink, u->sink->thread_info.max_request, &u->memchunk);
+ pa_sink_render(u->sink, len - u->memchunk.length, &u->memchunk);
+
+ len = PA_MIN(u->memchunk.length, len);
p = pa_memblock_acquire(u->memchunk.memblock);
- w = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, u->memchunk.length, NULL);
+ w = pa_write(u->fd, (uint8_t*) p + u->memchunk.index, len, &write_type);
pa_memblock_release(u->memchunk.memblock);
if (w <= 0) {
- switch (errno) {
- case EINTR:
- continue;
- case EAGAIN:
- /* If the buffer_size is too big, we get EAGAIN. Avoiding that limit by trial and error
- * is not ideal, but I don't know how to get the system to tell me what the limit is.
- */
- u->buffer_size = u->buffer_size * 18 / 25;
- u->buffer_size -= u->buffer_size % u->frame_size;
- u->buffer_size = PA_MAX(u->buffer_size, 2 * u->minimum_request);
- pa_sink_set_max_request_within_thread(u->sink, u->buffer_size);
- pa_sink_set_max_rewind_within_thread(u->sink, u->buffer_size);
- pa_log("EAGAIN. Buffer size is now %u bytes (%llu buffered)", u->buffer_size, buffered_bytes);
- break;
- default:
- pa_log("Failed to write data to DSP: %s", pa_cstrerror(errno));
- goto fail;
+ if (errno == EINTR) {
+ continue;
+ } else if (errno == EAGAIN) {
+ /* We may have realtime priority so yield the CPU to ensure that fd can become writable again. */
+ pa_log_debug("EAGAIN with %llu bytes buffered.", buffered_bytes);
+ break;
+ } else {
+ pa_log("Failed to write data to DSP: %s", pa_cstrerror(errno));
+ goto fail;
}
} else {
pa_assert(w % u->frame_size == 0);
u->written_bytes += w;
- u->memchunk.length -= w;
-
u->memchunk.index += w;
+ u->memchunk.length -= w;
if (u->memchunk.length <= 0) {
pa_memblock_unref(u->memchunk.memblock);
pa_memchunk_reset(&u->memchunk);
@@ -691,7 +704,9 @@ static void thread_func(void *userdata) {
}
}
- pa_rtpoll_set_timer_absolute(u->rtpoll, xtime0 + pa_bytes_to_usec(buffered_bytes / 2, &u->sink->sample_spec));
+ ysleep_interval = pa_bytes_to_usec(buffered_bytes / 2, &u->sink->sample_spec);
+ xsleep_interval = pa_smoother_translate(u->smoother, xtime0, ysleep_interval);
+ pa_rtpoll_set_timer_absolute(u->rtpoll, xtime0 + PA_MIN(xsleep_interval, ysleep_interval));
} else
pa_rtpoll_set_timer_disabled(u->rtpoll);
@@ -797,7 +812,7 @@ static void sig_callback(pa_mainloop_api *api, pa_signal_event*e, int sig, void
pa_log_debug("caught signal");
if (u->sink) {
- pa_sink_get_volume(u->sink, TRUE, FALSE);
+ pa_sink_get_volume(u->sink, TRUE);
pa_sink_get_mute(u->sink, TRUE);
}
@@ -812,7 +827,7 @@ int pa__init(pa_module *m) {
pa_channel_map map;
pa_modargs *ma = NULL;
uint32_t buffer_length_msec;
- int fd;
+ int fd = -1;
pa_sink_new_data sink_new_data;
pa_source_new_data source_new_data;
char const *name;
@@ -838,6 +853,9 @@ int pa__init(pa_module *m) {
u = pa_xnew0(struct userdata, 1);
+ if (!(u->smoother = pa_smoother_new(PA_USEC_PER_SEC, PA_USEC_PER_SEC * 2, TRUE, TRUE, 10, pa_rtclock_now(), TRUE)))
+ goto fail;
+
/*
* For a process (or several processes) to use the same audio device for both
* record and playback at the same time, the device's mixer must be enabled.
@@ -861,7 +879,13 @@ int pa__init(pa_module *m) {
}
u->buffer_size = pa_usec_to_bytes(1000 * buffer_length_msec, &ss);
if (u->buffer_size < 2 * u->minimum_request) {
- pa_log("supplied buffer size argument is too small");
+ pa_log("buffer_length argument cannot be smaller than %u",
+ (unsigned)(pa_bytes_to_usec(2 * u->minimum_request, &ss) / 1000));
+ goto fail;
+ }
+ if (u->buffer_size > MAX_BUFFER_SIZE) {
+ pa_log("buffer_length argument cannot be greater than %u",
+ (unsigned)(pa_bytes_to_usec(MAX_BUFFER_SIZE, &ss) / 1000));
goto fail;
}
@@ -924,6 +948,7 @@ int pa__init(pa_module *m) {
pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
pa_source_set_rtpoll(u->source, u->rtpoll);
+ pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(u->buffer_size, &u->source->sample_spec));
u->source->get_volume = source_get_volume;
u->source->set_volume = source_set_volume;
@@ -966,15 +991,15 @@ int pa__init(pa_module *m) {
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
+ pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(u->buffer_size, &u->sink->sample_spec));
+ pa_sink_set_max_request(u->sink, u->buffer_size);
+ pa_sink_set_max_rewind(u->sink, u->buffer_size);
u->sink->get_volume = sink_get_volume;
u->sink->set_volume = sink_set_volume;
u->sink->get_mute = sink_get_mute;
u->sink->set_mute = sink_set_mute;
u->sink->refresh_volume = u->sink->refresh_muted = TRUE;
-
- pa_sink_set_max_request(u->sink, u->buffer_size);
- pa_sink_set_max_rewind(u->sink, u->buffer_size);
} else
u->sink = NULL;
@@ -1075,6 +1100,9 @@ void pa__done(pa_module *m) {
if (u->fd >= 0)
close(u->fd);
+ if (u->smoother)
+ pa_smoother_free(u->smoother);
+
pa_xfree(u->device_name);
pa_xfree(u);
diff --git a/src/modules/module-udev-detect.c b/src/modules/module-udev-detect.c
index 0b30fd54..b41b9c0f 100644
--- a/src/modules/module-udev-detect.c
+++ b/src/modules/module-udev-detect.c
@@ -25,6 +25,7 @@
#include <errno.h>
#include <limits.h>
+#include <dirent.h>
#include <sys/inotify.h>
#include <libudev.h>
@@ -45,8 +46,9 @@ PA_MODULE_USAGE(
struct device {
char *path;
- pa_bool_t accessible;
+ pa_bool_t need_verify;
char *card_name;
+ char *args;
uint32_t module;
};
@@ -78,6 +80,7 @@ static void device_free(struct device *d) {
pa_xfree(d->path);
pa_xfree(d->card_name);
+ pa_xfree(d->args);
pa_xfree(d);
}
@@ -96,30 +99,166 @@ static const char *path_get_card_id(const char *path) {
return e + 5;
}
+static pa_bool_t is_card_busy(const char *id) {
+ char *card_path = NULL, *pcm_path = NULL, *sub_status = NULL;
+ DIR *card_dir = NULL, *pcm_dir = NULL;
+ FILE *status_file = NULL;
+ size_t len;
+ struct dirent *space = NULL, *de;
+ pa_bool_t busy = FALSE;
+ int r;
+
+ pa_assert(id);
+
+ card_path = pa_sprintf_malloc("/proc/asound/card%s", id);
+
+ if (!(card_dir = opendir(card_path))) {
+ pa_log_warn("Failed to open %s: %s", card_path, pa_cstrerror(errno));
+ goto fail;
+ }
+
+ len = offsetof(struct dirent, d_name) + fpathconf(dirfd(card_dir), _PC_NAME_MAX) + 1;
+ space = pa_xmalloc(len);
+
+ for (;;) {
+ de = NULL;
+
+ if ((r = readdir_r(card_dir, space, &de)) != 0) {
+ pa_log_warn("readdir_r() failed: %s", pa_cstrerror(r));
+ goto fail;
+ }
+
+ if (!de)
+ break;
+
+ if (!pa_startswith(de->d_name, "pcm"))
+ continue;
+
+ pa_xfree(pcm_path);
+ pcm_path = pa_sprintf_malloc("%s/%s", card_path, de->d_name);
+
+ if (pcm_dir)
+ closedir(pcm_dir);
+
+ if (!(pcm_dir = opendir(pcm_path))) {
+ pa_log_warn("Failed to open %s: %s", pcm_path, pa_cstrerror(errno));
+ continue;
+ }
+
+ for (;;) {
+ char line[32];
+
+ if ((r = readdir_r(pcm_dir, space, &de)) != 0) {
+ pa_log_warn("readdir_r() failed: %s", pa_cstrerror(r));
+ goto fail;
+ }
+
+ if (!de)
+ break;
+
+ if (!pa_startswith(de->d_name, "sub"))
+ continue;
+
+ pa_xfree(sub_status);
+ sub_status = pa_sprintf_malloc("%s/%s/status", pcm_path, de->d_name);
+
+ if (status_file)
+ fclose(status_file);
+
+ if (!(status_file = fopen(sub_status, "r"))) {
+ pa_log_warn("Failed to open %s: %s", sub_status, pa_cstrerror(errno));
+ continue;
+ }
+
+ if (!(fgets(line, sizeof(line)-1, status_file))) {
+ pa_log_warn("Failed to read from %s: %s", sub_status, pa_cstrerror(errno));
+ continue;
+ }
+
+ if (!pa_streq(line, "closed\n")) {
+ busy = TRUE;
+ break;
+ }
+ }
+ }
+
+fail:
+
+ pa_xfree(card_path);
+ pa_xfree(pcm_path);
+ pa_xfree(sub_status);
+ pa_xfree(space);
+
+ if (card_dir)
+ closedir(card_dir);
+
+ if (pcm_dir)
+ closedir(pcm_dir);
+
+ if (status_file)
+ fclose(status_file);
+
+ return busy;
+}
+
static void verify_access(struct userdata *u, struct device *d) {
char *cd;
pa_card *card;
+ pa_bool_t accessible;
pa_assert(u);
pa_assert(d);
- if (!(card = pa_namereg_get(u->core, d->card_name, PA_NAMEREG_CARD)))
- return;
-
cd = pa_sprintf_malloc("%s/snd/controlC%s", udev_get_dev_path(u->udev), path_get_card_id(d->path));
- d->accessible = access(cd, W_OK) >= 0;
- pa_log_info("%s is accessible: %s", cd, pa_yes_no(d->accessible));
+ accessible = access(cd, R_OK|W_OK) >= 0;
+ pa_log_debug("%s is accessible: %s", cd, pa_yes_no(accessible));
+
pa_xfree(cd);
- pa_card_suspend(card, !d->accessible, PA_SUSPEND_SESSION);
+ if (d->module == PA_INVALID_INDEX) {
+
+ /* If we are not loaded, try to load */
+
+ if (accessible) {
+ pa_module *m;
+ pa_bool_t busy;
+
+ /* Check if any of the PCM devices that belong to this
+ * card are currently busy. If they are, don't try to load
+ * right now, to make sure the probing phase can
+ * successfully complete. When the current user of the
+ * device closes it we will get another notification via
+ * inotify and can then recheck. */
+
+ busy = is_card_busy(path_get_card_id(d->path));
+ pa_log_debug("%s is busy: %s", d->path, pa_yes_no(busy));
+
+ if (!busy) {
+ pa_log_debug("Loading module-alsa-card with arguments '%s'", d->args);
+ m = pa_module_load(u->core, "module-alsa-card", d->args);
+
+ if (m) {
+ d->module = m->index;
+ pa_log_info("Card %s (%s) module loaded.", d->path, d->card_name);
+ } else
+ pa_log_info("Card %s (%s) failed to load module.", d->path, d->card_name);
+ }
+ }
+
+ } else {
+
+ /* If we are already loaded update suspend status with
+ * accessible boolean */
+
+ if ((card = pa_namereg_get(u->core, d->card_name, PA_NAMEREG_CARD)))
+ pa_card_suspend(card, !accessible, PA_SUSPEND_SESSION);
+ }
}
static void card_changed(struct userdata *u, struct udev_device *dev) {
struct device *d;
const char *path;
const char *t;
- char *card_name, *args;
- pa_module *m;
char *n;
pa_assert(u);
@@ -135,44 +274,33 @@ static void card_changed(struct userdata *u, struct udev_device *dev) {
return;
}
+ d = pa_xnew0(struct device, 1);
+ d->path = pa_xstrdup(path);
+ d->module = PA_INVALID_INDEX;
+
if (!(t = udev_device_get_property_value(dev, "PULSE_NAME")))
if (!(t = udev_device_get_property_value(dev, "ID_ID")))
if (!(t = udev_device_get_property_value(dev, "ID_PATH")))
t = path_get_card_id(path);
n = pa_namereg_make_valid_name(t);
+ d->card_name = pa_sprintf_malloc("alsa_card.%s", n);
+ d->args = pa_sprintf_malloc("device_id=\"%s\" "
+ "name=\"%s\" "
+ "card_name=\"%s\" "
+ "tsched=%s "
+ "ignore_dB=%s "
+ "card_properties=\"module-udev-detect.discovered=1\"",
+ path_get_card_id(path),
+ n,
+ d->card_name,
+ pa_yes_no(u->use_tsched),
+ pa_yes_no(u->ignore_dB));
+ pa_xfree(n);
- card_name = pa_sprintf_malloc("alsa_card.%s", n);
- args = pa_sprintf_malloc("device_id=\"%s\" "
- "name=\"%s\" "
- "card_name=\"%s\" "
- "tsched=%s "
- "ignore_dB=%s "
- "card_properties=\"module-udev-detect.discovered=1\"",
- path_get_card_id(path),
- n,
- card_name,
- pa_yes_no(u->use_tsched),
- pa_yes_no(u->ignore_dB));
-
- pa_log_debug("Loading module-alsa-card with arguments '%s'", args);
- m = pa_module_load(u->core, "module-alsa-card", args);
- pa_xfree(args);
-
- if (m) {
- pa_log_info("Card %s (%s) added.", path, n);
-
- d = pa_xnew(struct device, 1);
- d->path = pa_xstrdup(path);
- d->card_name = card_name;
- d->module = m->index;
- d->accessible = TRUE;
-
- pa_hashmap_put(u->devices, d->path, d);
- } else
- pa_xfree(card_name);
+ pa_hashmap_put(u->devices, d->path, d);
- pa_xfree(n);
+ verify_access(u, d);
}
static void remove_card(struct userdata *u, struct udev_device *dev) {
@@ -185,7 +313,10 @@ static void remove_card(struct userdata *u, struct udev_device *dev) {
return;
pa_log_info("Card %s removed.", d->path);
- pa_module_unload_request_by_index(u->core, d->module, TRUE);
+
+ if (d->module != PA_INVALID_INDEX)
+ pa_module_unload_request_by_index(u->core, d->module, TRUE);
+
device_free(d);
}
@@ -262,6 +393,34 @@ fail:
u->udev_io = NULL;
}
+static pa_bool_t pcm_node_belongs_to_device(
+ struct device *d,
+ const char *node) {
+
+ char *cd;
+ pa_bool_t b;
+
+ cd = pa_sprintf_malloc("pcmC%sD", path_get_card_id(d->path));
+ b = pa_startswith(node, cd);
+ pa_xfree(cd);
+
+ return b;
+}
+
+static pa_bool_t control_node_belongs_to_device(
+ struct device *d,
+ const char *node) {
+
+ char *cd;
+ pa_bool_t b;
+
+ cd = pa_sprintf_malloc("controlC%s", path_get_card_id(d->path));
+ b = pa_streq(node, cd);
+ pa_xfree(cd);
+
+ return b;
+}
+
static void inotify_cb(
pa_mainloop_api*a,
pa_io_event* e,
@@ -275,10 +434,13 @@ static void inotify_cb(
} buf;
struct userdata *u = userdata;
static int type = 0;
- pa_bool_t verify = FALSE, deleted = FALSE;
+ pa_bool_t deleted = FALSE;
+ struct device *d;
+ void *state;
for (;;) {
ssize_t r;
+ struct inotify_event *event;
pa_zero(buf);
if ((r = pa_read(fd, &buf, sizeof(buf), &type)) <= 0) {
@@ -290,22 +452,51 @@ static void inotify_cb(
goto fail;
}
- if ((buf.e.mask & IN_CLOSE_WRITE) && pa_startswith(buf.e.name, "pcmC"))
- verify = TRUE;
-
- if ((buf.e.mask & (IN_DELETE_SELF|IN_MOVE_SELF)))
- deleted = TRUE;
+ event = &buf.e;
+ while (r > 0) {
+ size_t len;
+
+ if ((size_t) r < sizeof(struct inotify_event)) {
+ pa_log("read() too short.");
+ goto fail;
+ }
+
+ len = sizeof(struct inotify_event) + event->len;
+
+ if ((size_t) r < len) {
+ pa_log("Payload missing.");
+ goto fail;
+ }
+
+ /* From udev we get the guarantee that the control
+ * device's ACL is changed last. To avoid races when ACLs
+ * are changed we hence watch only the control device */
+ if (((event->mask & IN_ATTRIB) && pa_startswith(event->name, "controlC")))
+ PA_HASHMAP_FOREACH(d, u->devices, state)
+ if (control_node_belongs_to_device(d, event->name))
+ d->need_verify = TRUE;
+
+ /* ALSA doesn't really give us any guarantee on the closing
+ * order, so let's simply hope */
+ if (((event->mask & IN_CLOSE_WRITE) && pa_startswith(event->name, "pcmC")))
+ PA_HASHMAP_FOREACH(d, u->devices, state)
+ if (pcm_node_belongs_to_device(d, event->name))
+ d->need_verify = TRUE;
+
+ /* /dev/snd/ might have been removed */
+ if ((event->mask & (IN_DELETE_SELF|IN_MOVE_SELF)))
+ deleted = TRUE;
+
+ event = (struct inotify_event*) ((uint8_t*) event + len);
+ r -= len;
+ }
}
- if (verify) {
- struct device *d;
- void *state;
-
- pa_log_debug("Verifying access.");
-
- PA_HASHMAP_FOREACH(d, u->devices, state)
+ PA_HASHMAP_FOREACH(d, u->devices, state)
+ if (d->need_verify) {
+ d->need_verify = FALSE;
verify_access(u, d);
- }
+ }
if (!deleted)
return;
@@ -335,7 +526,7 @@ static int setup_inotify(struct userdata *u) {
}
dev_snd = pa_sprintf_malloc("%s/snd", udev_get_dev_path(u->udev));
- r = inotify_add_watch(u->inotify_fd, dev_snd, IN_CLOSE_WRITE|IN_DELETE_SELF|IN_MOVE_SELF);
+ r = inotify_add_watch(u->inotify_fd, dev_snd, IN_ATTRIB|IN_CLOSE_WRITE|IN_DELETE_SELF|IN_MOVE_SELF);
pa_xfree(dev_snd);
if (r < 0) {
@@ -449,7 +640,7 @@ int pa__init(pa_module *m) {
udev_enumerate_unref(enumerate);
- pa_log_info("Loaded %u modules.", pa_hashmap_size(u->devices));
+ pa_log_info("Found %u cards.", pa_hashmap_size(u->devices));
pa_modargs_free(ma);