pa_core *core;
pa_module *module;
pa_sink *sink;
-
+
pa_thread *thread;
pa_thread_mq thread_mq;
pa_rtpoll *rtpoll;
-
+
snd_pcm_t *pcm_handle;
pa_alsa_fdlist *mixer_fdl;
static int mmap_write(struct userdata *u) {
int work_done = 0;
-
+
pa_assert(u);
pa_sink_assert_ref(u->sink);
int err;
const snd_pcm_channel_area_t *areas;
snd_pcm_uframes_t offset, frames;
-
+
if ((n = snd_pcm_avail_update(u->pcm_handle)) < 0) {
if (n == -EPIPE) {
pa_log_debug("snd_pcm_avail_update: Buffer underrun!");
u->first = 1;
}
-
+
if ((err = snd_pcm_recover(u->pcm_handle, n, 1)) == 0)
continue;
if (err == -EAGAIN)
return work_done;
-
+
pa_log("snd_pcm_avail_update: %s", snd_strerror(err));
return -1;
}
/* pa_log("Got request for %i samples", (int) n); */
-
+
if (n <= 0)
return work_done;
frames = n;
-
+
if ((err = snd_pcm_mmap_begin(u->pcm_handle, &areas, &offset, &frames)) < 0) {
-
+
if (err == -EPIPE) {
pa_log_debug("snd_pcm_mmap_begin: Buffer underrun!");
u->first = 1;
pa_assert((areas[0].step >> 3) == u->frame_size);
p = (uint8_t*) areas[0].addr + (offset * u->frame_size);
-
+
chunk.memblock = pa_memblock_new_fixed(u->core->mempool, p, frames * u->frame_size, 1);
chunk.length = pa_memblock_get_length(chunk.memblock);
chunk.index = 0;
pa_log_debug("snd_pcm_mmap_commit: Buffer underrun!");
u->first = 1;
}
-
+
if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0)
continue;
-
+
if (err == -EAGAIN)
return work_done;
-
+
pa_log("Failed to write data to DSP: %s", snd_strerror(err));
return -1;
}
if (frames >= (snd_pcm_uframes_t) n)
return work_done;
-
+
/* pa_log("wrote %i samples", (int) frames); */
}
}
int work_done = 0;
snd_pcm_status_alloca(&status);
-
+
pa_assert(u);
pa_sink_assert_ref(u->sink);
snd_pcm_sframes_t t;
ssize_t l;
int err;
-
+
if ((err = snd_pcm_status(u->pcm_handle, status)) < 0) {
pa_log("Failed to query DSP status data: %s", snd_strerror(err));
return -1;
if (snd_pcm_status_get_avail_max(status)*u->frame_size >= u->hwbuf_size)
pa_log_debug("Buffer underrun!");
-
+
l = snd_pcm_status_get_avail(status) * u->frame_size;
/* pa_log("%u bytes to write", l); */
-
+
if (l <= 0)
return work_done;
-
+
if (u->memchunk.length <= 0)
pa_sink_render(u->sink, l, &u->memchunk);
-
+
pa_assert(u->memchunk.length > 0);
-
+
p = pa_memblock_acquire(u->memchunk.memblock);
t = snd_pcm_writei(u->pcm_handle, (const uint8_t*) p + u->memchunk.index, u->memchunk.length / u->frame_size);
pa_memblock_release(u->memchunk.memblock);
-
+
/* pa_log("wrote %i bytes of %u (%u)", t*u->frame_size, u->memchunk.length, l); */
-
+
pa_assert(t != 0);
-
+
if (t < 0) {
if ((t = snd_pcm_recover(u->pcm_handle, t, 1)) == 0)
continue;
-
+
if (t == -EAGAIN) {
pa_log_debug("EAGAIN");
return work_done;
return -1;
}
}
-
+
u->memchunk.index += t * u->frame_size;
u->memchunk.length -= t * u->frame_size;
-
+
if (u->memchunk.length <= 0) {
pa_memblock_unref(u->memchunk.memblock);
pa_memchunk_reset(&u->memchunk);
if (t * u->frame_size >= (unsigned) l)
return work_done;
- }
+ }
}
static pa_usec_t sink_get_latency(struct userdata *u) {
int err;
snd_pcm_status_alloca(&status);
-
+
pa_assert(u);
pa_assert(u->pcm_handle);
- if ((err = snd_pcm_status(u->pcm_handle, status)) < 0)
+ if ((err = snd_pcm_status(u->pcm_handle, status)) < 0)
pa_log("Failed to get delay: %s", snd_strerror(err));
else
frames = snd_pcm_status_get_delay(status);
if (frames > 0)
r = pa_bytes_to_usec(frames * u->frame_size, &u->sink->sample_spec);
-
+
if (u->memchunk.memblock)
r += pa_bytes_to_usec(u->memchunk.length, &u->sink->sample_spec);
int err;
struct pollfd *pollfd;
int n;
-
+
pa_assert(u);
pa_assert(u->pcm_handle);
pa_log("snd_pcm_poll_descriptors() failed: %s", snd_strerror(err));
return -1;
}
-
+
return 0;
}
pa_assert(u->pcm_handle);
/* Let's suspend */
- snd_pcm_drain(u->pcm_handle);
+ snd_pcm_drain(u->pcm_handle);
snd_pcm_close(u->pcm_handle);
u->pcm_handle = NULL;
pa_rtpoll_item_free(u->alsa_rtpoll_item);
u->alsa_rtpoll_item = NULL;
}
-
+
pa_log_info("Device suspended...");
-
+
return 0;
}
nfrags = u->nfragments;
period_size = u->fragment_size / u->frame_size;
b = u->use_mmap;
-
+
if ((err = pa_alsa_set_hw_params(u->pcm_handle, &ss, &nfrags, &period_size, &b)) < 0) {
pa_log("Failed to set hardware parameters: %s", snd_strerror(err));
goto fail;
if (build_pollfd(u) < 0)
goto fail;
-
+
/* FIXME: We need to reload the volume somehow */
-
+
u->first = 1;
-
+
pa_log_info("Resumed successfully...");
return 0;
case PA_SINK_MESSAGE_SET_STATE:
switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) {
-
+
case PA_SINK_SUSPENDED:
pa_assert(PA_SINK_OPENED(u->sink->thread_info.state));
if (suspend(u) < 0)
return -1;
-
+
break;
case PA_SINK_IDLE:
if (unsuspend(u) < 0)
return -1;
}
-
+
break;
case PA_SINK_UNLINKED:
case PA_SINK_INIT:
;
}
-
+
break;
}
fail:
pa_log_error("Unable to read volume: %s", snd_strerror(err));
-
+
s->get_volume = NULL;
s->set_volume = NULL;
return -1;
fail:
pa_log_error("Unable to set volume: %s", snd_strerror(err));
-
+
s->get_volume = NULL;
s->set_volume = NULL;
return -1;
if ((err = snd_mixer_selem_set_playback_switch_all(u->mixer_elem, !s->muted)) < 0) {
pa_log_error("Unable to set switch: %s", snd_strerror(err));
-
+
s->get_mute = NULL;
s->set_mute = NULL;
return -1;
static void thread_func(void *userdata) {
struct userdata *u = userdata;
-
+
pa_assert(u);
pa_log_debug("Thread starting up");
pa_thread_mq_install(&u->thread_mq);
pa_rtpoll_install(u->rtpoll);
-
+
if (build_pollfd(u) < 0)
goto fail;
for (;;) {
int ret;
-
+
/* Render some data and write it to the dsp */
if (PA_SINK_OPENED(u->sink->thread_info.state)) {
int work_done = 0;
-
+
if (u->use_mmap) {
if ((work_done = mmap_write(u)) < 0)
goto fail;
if (ret == 0)
goto finish;
-
+
/* Tell ALSA about this and process its response */
if (PA_SINK_OPENED(u->sink->thread_info.state)) {
struct pollfd *pollfd;
if (revents & POLLERR)
pa_log_warn("Got POLLERR from ALSA");
if (revents & POLLNVAL)
- pa_log_warn("Got POLLNVAL from ALSA");
+ pa_log_warn("Got POLLNVAL from ALSA");
if (revents & POLLHUP)
pa_log_warn("Got POLLHUP from ALSA");
}
int pa__init(pa_module*m) {
-
+
pa_modargs *ma = NULL;
struct userdata *u = NULL;
char *dev;
int use_mmap = 1, b;
snd_pcm_info_alloca(&pcm_info);
-
+
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse mmap argument.");
goto fail;
}
-
+
u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
dev = pa_xstrdup(pa_modargs_get_value(ma, "device", DEFAULT_DEVICE));
for (;;) {
-
+
if ((err = snd_pcm_open(&u->pcm_handle, dev, SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK)) < 0) {
pa_log("Error opening PCM device %s: %s", dev, snd_strerror(err));
pa_xfree(dev);
goto fail;
}
-
+
b = use_mmap;
if ((err = pa_alsa_set_hw_params(u->pcm_handle, &ss, &nfrags, &period_size, &b)) < 0) {
if (err == -EPERM) {
/* Hmm, some hw is very exotic, so we retry with plughw, if hw didn't work */
-
+
if (pa_startswith(dev, "hw:")) {
char *d = pa_sprintf_malloc("plughw:%s", dev+3);
pa_log_debug("Opening the device as '%s' didn't work, retrying with '%s'.", dev, d);
continue;
}
}
-
+
pa_log("Failed to set hardware parameters: %s", snd_strerror(err));
pa_xfree(dev);
goto fail;
break;
}
-
+
u->device_name = dev;
-
+
if (use_mmap && !b) {
pa_log_info("Device doesn't support mmap(), falling back to UNIX read/write mode.");
u->use_mmap = use_mmap = b;
if ((pa_alsa_prepare_mixer(u->mixer_handle, dev) < 0) ||
!(u->mixer_elem = pa_alsa_find_elem(u->mixer_handle, "Master", "PCM"))) {
-
+
snd_mixer_close(u->mixer_handle);
u->mixer_handle = NULL;
}
u->sink = pa_sink_new(m->core, __FILE__, name, namereg_fail, &ss, &map);
pa_xfree(name_buf);
-
+
if (!u->sink) {
pa_log("Failed to create sink object");
goto fail;
snd_pcm_info_get_name(pcm_info),
use_mmap ? " via DMA" : ""));
pa_xfree(t);
-
- u->sink->flags = PA_SINK_HARDWARE|PA_SINK_CAN_SUSPEND|PA_SINK_HW_VOLUME_CTRL|PA_SINK_LATENCY;
+
+ u->sink->flags = PA_SINK_HARDWARE|PA_SINK_HW_VOLUME_CTRL|PA_SINK_LATENCY;
u->frame_size = frame_size;
u->fragment_size = frag_size = period_size * frame_size;
if (u->mixer_handle) {
/* Initialize mixer code */
-
+
pa_assert(u->mixer_elem);
-
+
if (snd_mixer_selem_has_playback_volume(u->mixer_elem)) {
int i;
} else
pa_log_info("ALSA device lacks separate volumes controls for all %u channels (%u available), falling back to software volume control.", ss.channels, i+1);
}
-
+
if (snd_mixer_selem_has_playback_switch(u->mixer_elem)) {
u->sink->get_mute = sink_get_mute_cb;
u->sink->set_mute = sink_set_mute_cb;
pa_log("Failed to create thread.");
goto fail;
}
-
+
/* Get initial mixer settings */
if (u->sink->get_volume)
u->sink->get_volume(u->sink);
u->sink->get_mute(u->sink);
pa_sink_put(u->sink);
-
+
pa_modargs_free(ma);
-
+
return 0;
-
+
fail:
if (ma)
void pa__done(pa_module*m) {
struct userdata *u;
-
+
pa_assert(m);
if (!(u = m->userdata))
if (u->sink)
pa_sink_unref(u->sink);
-
+
if (u->memchunk.memblock)
pa_memblock_unref(u->memchunk.memblock);
if (u->alsa_rtpoll_item)
pa_rtpoll_item_free(u->alsa_rtpoll_item);
-
+
if (u->rtpoll)
pa_rtpoll_free(u->rtpoll);
-
+
if (u->mixer_fdl)
pa_alsa_fdlist_free(u->mixer_fdl);
-
+
if (u->mixer_handle)
snd_mixer_close(u->mixer_handle);
pa_xfree(u->device_name);
pa_xfree(u);
-
+
snd_config_update_free_global();
}
-
pa_core *core;
pa_module *module;
pa_source *source;
-
+
pa_thread *thread;
pa_thread_mq thread_mq;
pa_rtpoll *rtpoll;
static int mmap_read(struct userdata *u) {
int work_done = 0;
-
+
pa_assert(u);
pa_source_assert_ref(u->source);
snd_pcm_uframes_t offset, frames;
pa_memchunk chunk;
void *p;
-
+
if ((n = snd_pcm_avail_update(u->pcm_handle)) < 0) {
if (n == -EPIPE)
pa_log_debug("snd_pcm_avail_update: Buffer underrun!");
-
+
if ((err = snd_pcm_recover(u->pcm_handle, n, 1)) == 0)
continue;
if (err == -EAGAIN)
return work_done;
-
+
pa_log("snd_pcm_avail_update: %s", snd_strerror(err));
return -1;
}
/* pa_log("Got request for %i samples", (int) n); */
-
+
if (n <= 0)
return work_done;
frames = n;
-
+
if ((err = snd_pcm_mmap_begin(u->pcm_handle, &areas, &offset, &frames)) < 0) {
-
+
if (err == -EPIPE)
pa_log_debug("snd_pcm_mmap_begin: Buffer underrun!");
pa_assert((areas[0].step >> 3) == u->frame_size);
p = (uint8_t*) areas[0].addr + (offset * u->frame_size);
-
+
chunk.memblock = pa_memblock_new_fixed(u->core->mempool, p, frames * u->frame_size, 1);
chunk.length = pa_memblock_get_length(chunk.memblock);
chunk.index = 0;
if (err == -EPIPE)
pa_log_debug("snd_pcm_mmap_commit: Buffer underrun!");
-
+
if ((err = snd_pcm_recover(u->pcm_handle, err, 1)) == 0)
continue;
-
+
if (err == -EAGAIN)
return work_done;
-
+
pa_log("Failed to write data to DSP: %s", snd_strerror(err));
return -1;
}
ssize_t l;
int err;
pa_memchunk chunk;
-
+
if ((err = snd_pcm_status(u->pcm_handle, status)) < 0) {
pa_log("Failed to query DSP status data: %s", snd_strerror(err));
return -1;
if (snd_pcm_status_get_avail_max(status)*u->frame_size >= u->hwbuf_size)
pa_log_debug("Buffer overrun!");
-
+
l = snd_pcm_status_get_avail(status) * u->frame_size;
if (l <= 0)
return work_done;
-
+
chunk.memblock = pa_memblock_new(u->core->mempool, (size_t) -1);
k = pa_memblock_get_length(chunk.memblock);
p = pa_memblock_acquire(chunk.memblock);
t = snd_pcm_readi(u->pcm_handle, (uint8_t*) p, k / u->frame_size);
pa_memblock_release(chunk.memblock);
-
+
/* pa_log("wrote %i bytes of %u (%u)", t*u->frame_size, u->memchunk.length, l); */
-
+
pa_assert(t != 0);
-
+
if (t < 0) {
pa_memblock_unref(chunk.memblock);
-
+
if ((t = snd_pcm_recover(u->pcm_handle, t, 1)) == 0)
continue;
-
+
if (t == -EAGAIN) {
pa_log_debug("EAGAIN");
return work_done;
pa_log("Failed to read data from DSP: %s", snd_strerror(t));
return -1;
}
- }
-
+ }
+
chunk.index = 0;
chunk.length = t * u->frame_size;
pa_source_post(u->source, &chunk);
pa_memblock_unref(chunk.memblock);
-
+
work_done = 1;
if (t * u->frame_size >= (unsigned) l)
int err;
snd_pcm_status_alloca(&status);
-
+
pa_assert(u);
pa_assert(u->pcm_handle);
- if ((err = snd_pcm_status(u->pcm_handle, status)) < 0)
+ if ((err = snd_pcm_status(u->pcm_handle, status)) < 0)
pa_log("Failed to get delay: %s", snd_strerror(err));
else
frames = snd_pcm_status_get_delay(status);
int err;
struct pollfd *pollfd;
int n;
-
+
pa_assert(u);
pa_assert(u->pcm_handle);
u->alsa_rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, n);
pollfd = pa_rtpoll_item_get_pollfd(u->alsa_rtpoll_item, NULL);
-
+
if ((err = snd_pcm_poll_descriptors(u->pcm_handle, pollfd, n)) < 0) {
pa_log("snd_pcm_poll_descriptors() failed: %s", snd_strerror(err));
return -1;
}
-
+
return 0;
}
pa_rtpoll_item_free(u->alsa_rtpoll_item);
u->alsa_rtpoll_item = NULL;
}
-
+
pa_log_info("Device suspended...");
-
+
return 0;
}
nfrags = u->nfragments;
period_size = u->fragment_size / u->frame_size;
b = u->use_mmap;
-
+
if ((err = pa_alsa_set_hw_params(u->pcm_handle, &ss, &nfrags, &period_size, &b)) < 0) {
pa_log("Failed to set hardware parameters: %s", snd_strerror(err));
goto fail;
pa_log_warn("Resume failed, couldn't get original access mode.");
goto fail;
}
-
+
if (!pa_sample_spec_equal(&ss, &u->source->sample_spec)) {
pa_log_warn("Resume failed, couldn't restore original sample settings.");
goto fail;
if (build_pollfd(u) < 0)
goto fail;
-
+
snd_pcm_start(u->pcm_handle);
-
+
/* FIXME: We need to reload the volume somehow */
-
+
pa_log_info("Resumed successfully...");
return 0;
case PA_SOURCE_MESSAGE_SET_STATE:
switch ((pa_source_state_t) PA_PTR_TO_UINT(data)) {
-
+
case PA_SOURCE_SUSPENDED:
pa_assert(PA_SOURCE_OPENED(u->source->thread_info.state));
if (suspend(u) < 0)
return -1;
-
+
break;
case PA_SOURCE_IDLE:
if (unsuspend(u) < 0)
return -1;
}
-
+
break;
case PA_SOURCE_UNLINKED:
case PA_SOURCE_INIT:
;
}
-
+
break;
}
fail:
pa_log_error("Unable to read volume: %s", snd_strerror(err));
-
+
s->get_volume = NULL;
s->set_volume = NULL;
return -1;
fail:
pa_log_error("Unable to set volume: %s", snd_strerror(err));
-
+
s->get_volume = NULL;
s->set_volume = NULL;
return -1;
if ((err = snd_mixer_selem_set_capture_switch_all(u->mixer_elem, !s->muted)) < 0) {
pa_log_error("Unable to set switch: %s", snd_strerror(err));
-
+
s->get_mute = NULL;
s->set_mute = NULL;
return -1;
pa_thread_mq_install(&u->thread_mq);
pa_rtpoll_install(u->rtpoll);
-
+
if (build_pollfd(u) < 0)
goto fail;
snd_pcm_start(u->pcm_handle);
-
+
for (;;) {
int ret;
/* Read some data and pass it to the sources */
if (PA_SOURCE_OPENED(u->source->thread_info.state)) {
-
+
if (u->use_mmap) {
if (mmap_read(u) < 0)
goto fail;
if (ret == 0)
goto finish;
-
+
/* Tell ALSA about this and process its response */
if (PA_SOURCE_OPENED(u->source->thread_info.state)) {
struct pollfd *pollfd;
unsigned n;
pollfd = pa_rtpoll_item_get_pollfd(u->alsa_rtpoll_item, &n);
-
+
if ((err = snd_pcm_poll_descriptors_revents(u->pcm_handle, pollfd, n, &revents)) < 0) {
pa_log("snd_pcm_poll_descriptors_revents() failed: %s", snd_strerror(err));
goto fail;
if (revents & POLLERR)
pa_log_warn("Got POLLERR from ALSA");
if (revents & POLLNVAL)
- pa_log_warn("Got POLLNVAL from ALSA");
+ pa_log_warn("Got POLLNVAL from ALSA");
if (revents & POLLHUP)
pa_log_warn("Got POLLHUP from ALSA");
}
int pa__init(pa_module*m) {
-
+
pa_modargs *ma = NULL;
struct userdata *u = NULL;
char *dev;
snd_pcm_info_alloca(&pcm_info);
pa_assert(m);
-
+
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
pa_log("Failed to parse mmap argument.");
goto fail;
}
-
+
u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
snd_config_update_free_global();
dev = pa_xstrdup(pa_modargs_get_value(ma, "device", DEFAULT_DEVICE));
-
+
for (;;) {
-
+
if ((err = snd_pcm_open(&u->pcm_handle, dev, SND_PCM_STREAM_CAPTURE, SND_PCM_NONBLOCK)) < 0) {
pa_log("Error opening PCM device %s: %s", dev, snd_strerror(err));
pa_xfree(dev);
if (err == -EPERM) {
/* Hmm, some hw is very exotic, so we retry with plughw, if hw didn't work */
-
+
if (pa_startswith(dev, "hw:")) {
char *d = pa_sprintf_malloc("plughw:%s", dev+3);
pa_log_debug("Opening the device as '%s' didn't work, retrying with '%s'.", dev, d);
continue;
}
}
-
+
pa_log("Failed to set hardware parameters: %s", snd_strerror(err));
pa_xfree(dev);
goto fail;
}
u->device_name = dev;
-
+
if (use_mmap && !b) {
pa_log_info("Device doesn't support mmap(), falling back to UNIX read/write mode.");
u->use_mmap = use_mmap = b;
pa_log("Failed to set software parameters: %s", snd_strerror(err));
goto fail;
}
-
+
/* ALSA might tweak the sample spec, so recalculate the frame size */
frame_size = pa_frame_size(&ss);
if ((err = snd_mixer_open(&u->mixer_handle, 0)) < 0)
pa_log("Error opening mixer: %s", snd_strerror(err));
else {
-
+
if ((pa_alsa_prepare_mixer(u->mixer_handle, dev) < 0) ||
!(u->mixer_elem = pa_alsa_find_elem(u->mixer_handle, "Capture", NULL))) {
snd_mixer_close(u->mixer_handle);
u->source = pa_source_new(m->core, __FILE__, name, namereg_fail, &ss, &map);
pa_xfree(name_buf);
-
+
if (!u->source) {
pa_log("Failed to create source object");
goto fail;
use_mmap ? " via DMA" : ""));
pa_xfree(t);
- u->source->flags = PA_SOURCE_HARDWARE|PA_SOURCE_CAN_SUSPEND|PA_SOURCE_LATENCY|PA_SOURCE_HW_VOLUME_CTRL;
+ u->source->flags = PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY|PA_SOURCE_HW_VOLUME_CTRL;
u->frame_size = frame_size;
u->fragment_size = frag_size = period_size * frame_size;
if (u->mixer_handle) {
pa_assert(u->mixer_elem);
-
+
if (snd_mixer_selem_has_capture_volume(u->mixer_elem)) {
int i;
snd_mixer_selem_get_capture_volume_range(u->mixer_elem, &u->hw_volume_min, &u->hw_volume_max);
}
}
-
+
if (snd_mixer_selem_has_capture_switch(u->mixer_elem)) {
u->source->get_mute = source_get_mute_cb;
u->source->set_mute = source_set_mute_cb;
}
u->mixer_fdl = pa_alsa_fdlist_new();
-
+
if (pa_alsa_fdlist_set_mixer(u->mixer_fdl, u->mixer_handle, m->core->mainloop) < 0) {
pa_log("failed to initialise file descriptor monitoring");
goto fail;
}
-
+
snd_mixer_elem_set_callback(u->mixer_elem, mixer_callback);
snd_mixer_elem_set_callback_private(u->mixer_elem, u);
} else
if (u->source->get_mute)
u->source->get_mute(u->source);
- pa_source_put(u->source);
-
+ pa_source_put(u->source);
+
pa_modargs_free(ma);
-
+
return 0;
-
+
fail:
if (ma)
pa_modargs_free(ma);
pa__done(m);
-
+
return -1;
}
void pa__done(pa_module*m) {
struct userdata *u;
-
+
pa_assert(m);
if (!(u = m->userdata))
if (u->alsa_rtpoll_item)
pa_rtpoll_item_free(u->alsa_rtpoll_item);
-
+
if (u->rtpoll)
pa_rtpoll_free(u->rtpoll);
-
+
if (u->mixer_fdl)
pa_alsa_fdlist_free(u->mixer_fdl);
snd_config_update_free_global();
}
-
u->sink->set_state = sink_set_state;
u->sink->userdata = u;
- u->sink->flags = PA_SINK_CAN_SUSPEND|PA_SINK_LATENCY;
+ u->sink->flags = PA_SINK_LATENCY;
pa_sink_set_module(u->sink, m);
pa_sink_set_description(u->sink, "Simultaneous output");
u->sink->parent.process_msg = sink_process_msg;
u->sink->set_state = sink_set_state;
u->sink->userdata = u;
- u->sink->flags = PA_SINK_LATENCY|PA_SINK_CAN_SUSPEND;
+ u->sink->flags = PA_SINK_LATENCY;
pa_sink_set_module(u->sink, m);
pa_sink_set_description(u->sink, t = pa_sprintf_malloc("LADSPA plugin '%s' on '%s'", label, master->description));
hwdesc[0] ? ")" : "",
use_mmap ? " via DMA" : ""));
pa_xfree(t);
- u->source->flags = PA_SOURCE_HARDWARE|PA_SOURCE_CAN_SUSPEND|PA_SOURCE_LATENCY;
+ u->source->flags = PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY;
u->source->refresh_volume = 1;
if (use_mmap)
hwdesc[0] ? ")" : "",
use_mmap ? " via DMA" : ""));
pa_xfree(t);
- u->sink->flags = PA_SINK_HARDWARE|PA_SINK_CAN_SUSPEND|PA_SINK_LATENCY;
+ u->sink->flags = PA_SINK_HARDWARE|PA_SINK_LATENCY;
u->sink->refresh_volume = 1;
if (use_mmap)
u->sink->parent.process_msg = sink_process_msg;
u->sink->set_state = sink_set_state;
u->sink->userdata = u;
- u->sink->flags = PA_SINK_LATENCY|PA_SINK_CAN_SUSPEND;
+ u->sink->flags = PA_SINK_LATENCY;
pa_sink_set_module(u->sink, m);
pa_sink_set_description(u->sink, t = pa_sprintf_malloc("Remapped %s", master->description));
*source_unlink_slot,
*sink_state_changed_slot,
*source_state_changed_slot;
-
+
pa_hook_slot
*sink_input_new_slot,
*source_output_new_slot,
pa_assert(d);
d->userdata->core->mainloop->time_restart(d->time_event, NULL);
-
+
if (d->sink && pa_sink_used_by(d->sink) <= 0 && pa_sink_get_state(d->sink) != PA_SINK_SUSPENDED) {
pa_log_info("Sink %s idle for too long, suspending ...", d->sink->name);
pa_sink_suspend(d->sink, 1);
if (d->sink) {
pa_sink_suspend(d->sink, 0);
pa_source_suspend(d->sink->monitor_source, 0);
-
+
pa_log_debug("Sink %s becomes busy.", d->sink->name);
}
static pa_hook_result_t sink_input_new_hook_cb(pa_core *c, pa_sink_input *s, struct userdata *u) {
struct device_info *d;
-
+
pa_assert(c);
pa_sink_input_assert_ref(s);
pa_assert(u);
-
+
if ((d = pa_hashmap_get(u->device_infos, s->sink)))
resume(d);
-
+
return PA_HOOK_OK;
}
pa_assert(c);
pa_source_output_assert_ref(s);
pa_assert(u);
-
+
if ((d = pa_hashmap_get(u->device_infos, s->source)))
resume(d);
-
+
return PA_HOOK_OK;
}
if ((d = pa_hashmap_get(u->device_infos, s->sink)))
restart(d);
}
-
+
return PA_HOOK_OK;
}
if ((d = pa_hashmap_get(u->device_infos, s->source)))
restart(d);
}
-
+
return PA_HOOK_OK;
}
if ((d = pa_hashmap_get(u->device_infos, s->sink)))
restart(d);
}
-
+
return PA_HOOK_OK;
}
if ((d = pa_hashmap_get(u->device_infos, s->sink)))
resume(d);
-
+
return PA_HOOK_OK;
}
if ((d = pa_hashmap_get(u->device_infos, s->source)))
restart(d);
}
-
+
return PA_HOOK_OK;
}
if ((d = pa_hashmap_get(u->device_infos, s->source)))
resume(d);
-
+
return PA_HOOK_OK;
}
struct device_info *d;
pa_source *source;
pa_sink *sink;
-
+
pa_assert(c);
pa_object_assert_ref(o);
pa_assert(u);
sink = pa_sink_isinstance(o) ? PA_SINK(o) : NULL;
pa_assert(source || sink);
-
- if (source && !(source->flags & PA_SOURCE_CAN_SUSPEND))
- return PA_HOOK_OK;
-
- if (sink && !(sink->flags & PA_SINK_CAN_SUSPEND))
- return PA_HOOK_OK;
d = pa_xnew(struct device_info, 1);
d->userdata = u;
static void device_info_free(struct device_info *d) {
pa_assert(d);
-
+
if (d->source)
pa_source_unref(d->source);
if (d->sink)
pa_sink_unref(d->sink);
-
+
d->userdata->core->mainloop->time_free(d->time_event);
-
+
pa_xfree(d);
}
static pa_hook_result_t device_unlink_hook_cb(pa_core *c, pa_object *o, struct userdata *u) {
struct device_info *d;
-
+
pa_assert(c);
pa_object_assert_ref(o);
pa_assert(u);
if (pa_sink_isinstance(o)) {
pa_sink *s = PA_SINK(o);
-
+
if (pa_sink_used_by(s) <= 0) {
pa_sink_state_t state = pa_sink_get_state(s);
if (state == PA_SINK_RUNNING || state == PA_SINK_IDLE)
restart(d);
}
-
+
} else if (pa_source_isinstance(o)) {
pa_source *s = PA_SOURCE(o);
restart(d);
}
}
-
+
return PA_HOOK_OK;
}
pa_log("Failed to parse timeout value.");
goto fail;
}
-
+
m->userdata = u = pa_xnew(struct userdata, 1);
u->core = m->core;
u->timeout = timeout;
u->sink_input_move_post_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SINK_INPUT_MOVE_POST], (pa_hook_cb_t) sink_input_move_post_hook_cb, u);
u->source_output_move_post_slot = pa_hook_connect(&m->core->hooks[PA_CORE_HOOK_SOURCE_OUTPUT_MOVE_POST], (pa_hook_cb_t) source_output_move_post_hook_cb, u);
-
+
pa_modargs_free(ma);
return 0;
fail:
-
+
if (ma)
pa_modargs_free(ma);
-
+
return -1;
}
void pa__done(pa_module*m) {
struct userdata *u;
struct device_info *d;
-
+
pa_assert(m);
if (!m->userdata)
return;
u = m->userdata;
-
+
if (u->sink_new_slot)
pa_hook_slot_free(u->sink_new_slot);
if (u->sink_unlink_slot)
device_info_free(d);
pa_hashmap_free(u->device_infos, NULL, NULL);
-
+
pa_xfree(u);
}
typedef enum pa_sink_flags {
PA_SINK_HW_VOLUME_CTRL = 1, /**< Supports hardware volume control */
PA_SINK_LATENCY = 2, /**< Supports latency querying */
- PA_SINK_HARDWARE = 4, /**< Is a hardware sink of some kind, in contrast to "virtual"/software sinks \since 0.9.3 */
- PA_SINK_CAN_SUSPEND = 8 /**< Can suspend \since 0.9.7 */
+ PA_SINK_HARDWARE = 4 /**< Is a hardware sink of some kind, in contrast to "virtual"/software sinks \since 0.9.3 */
} pa_sink_flags_t;
/** Special source flags. \since 0.8 */
typedef enum pa_source_flags {
PA_SOURCE_HW_VOLUME_CTRL = 1, /**< Supports hardware volume control */
PA_SOURCE_LATENCY = 2, /**< Supports latency querying */
- PA_SOURCE_HARDWARE = 4, /**< Is a hardware source of some kind, in contrast to "virtual"/software source \since 0.9.3 */
- PA_SOURCE_CAN_SUSPEND = 8 /**< Can suspend \since 0.9.7 */
+ PA_SOURCE_HARDWARE = 4 /**< Is a hardware source of some kind, in contrast to "virtual"/software source \since 0.9.3 */
} pa_source_flags_t;
/** A generic free() like callback prototype */
tv.tv_usec += LATENCY_IPOL_INTERVAL_USEC; /* every 100 ms */
pa_assert(!s->auto_timing_update_event);
s->auto_timing_update_event = s->mainloop->time_new(s->mainloop, &tv, &auto_timing_update_callback, s);
- }
+ }
}
void pa_create_stream_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
s->state = PA_STREAM_READY;
request_auto_timing_update(s, 1);
s->state = PA_STREAM_CREATING;
-
+
} else
create_stream_complete(s);
if (attr)
s->buffer_attr = *attr;
else {
- /* half a second */
+ /* half a second, with minimum request of 10 ms */
s->buffer_attr.tlength = pa_bytes_per_second(&s->sample_spec)/2;
s->buffer_attr.maxlength = (s->buffer_attr.tlength*3)/2;
- s->buffer_attr.minreq = s->buffer_attr.tlength/100;
+ s->buffer_attr.minreq = s->buffer_attr.tlength/50;
s->buffer_attr.prebuf = s->buffer_attr.tlength - s->buffer_attr.minreq;
- s->buffer_attr.fragsize = s->buffer_attr.tlength/100;
+ s->buffer_attr.fragsize = s->buffer_attr.tlength/50;
}
if (!dev)
}
/* First, let's complete the initialization, if necessary. */
- if (o->stream->state == PA_STREAM_CREATING)
+ if (o->stream->state == PA_STREAM_CREATING)
create_stream_complete(o->stream);
if (o->stream->latency_update_callback)
" %c index: %u\n"
"\tname: <%s>\n"
"\tdriver: <%s>\n"
- "\tflags: %s%s%s%s\n"
+ "\tflags: %s%s%s\n"
"\tstate: %s\n"
"\tvolume: <%s>\n"
"\tmute: <%i>\n"
"\tmonitor source: <%u>\n"
"\tsample spec: <%s>\n"
"\tchannel map: <%s>\n"
- "\tused by: <%u>\n",
+ "\tused by: <%u>\n",
c->default_sink_name && !strcmp(sink->name, c->default_sink_name) ? '*' : ' ',
sink->index,
sink->name,
sink->flags & PA_SINK_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "",
sink->flags & PA_SINK_LATENCY ? "LATENCY " : "",
sink->flags & PA_SINK_HARDWARE ? "HARDWARE " : "",
- sink->flags & PA_SINK_CAN_SUSPEND ? "CAN_SUSPEND " : "",
state_table[pa_sink_get_state(sink)],
pa_cvolume_snprint(cv, sizeof(cv), pa_sink_get_volume(sink)),
!!pa_sink_get_mute(sink),
" %c index: %u\n"
"\tname: <%s>\n"
"\tdriver: <%s>\n"
- "\tflags: %s%s%s%s\n"
+ "\tflags: %s%s%s\n"
"\tstate: %s\n"
"\tvolume: <%s>\n"
"\tmute: <%u>\n"
source->flags & PA_SOURCE_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "",
source->flags & PA_SOURCE_LATENCY ? "LATENCY " : "",
source->flags & PA_SOURCE_HARDWARE ? "HARDWARE " : "",
- source->flags & PA_SOURCE_CAN_SUSPEND ? "CAN_SUSPEND " : "",
state_table[pa_source_get_state(source)],
pa_cvolume_snprint(cv, sizeof(cv), pa_source_get_volume(source)),
!!pa_source_get_mute(source),
if (s->state == state)
return 0;
- if (state == PA_SINK_SUSPENDED && !(s->flags & PA_SINK_CAN_SUSPEND))
- return -1;
-
if ((s->state == PA_SINK_SUSPENDED && PA_SINK_OPENED(state)) ||
(PA_SINK_OPENED(s->state) && state == PA_SINK_SUSPENDED)) {
pa_sink_input *i;
if (s->state == state)
return 0;
- if (state == PA_SOURCE_SUSPENDED && !(s->flags & PA_SOURCE_CAN_SUSPEND))
- return -1;
-
if ((s->state == PA_SOURCE_SUSPENDED && PA_SOURCE_OPENED(state)) ||
(PA_SOURCE_OPENED(s->state) && state == PA_SOURCE_SUSPENDED)) {
pa_source_output *o;