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Diffstat (limited to 'src/modules/module-alsa-sink.c')
-rw-r--r--src/modules/module-alsa-sink.c54
1 files changed, 27 insertions, 27 deletions
diff --git a/src/modules/module-alsa-sink.c b/src/modules/module-alsa-sink.c
index 6ff9a6e4..2fea5891 100644
--- a/src/modules/module-alsa-sink.c
+++ b/src/modules/module-alsa-sink.c
@@ -2,17 +2,17 @@
/***
This file is part of PulseAudio.
-
+
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
-
+
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
-
+
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
@@ -95,13 +95,13 @@ static void update_usage(struct userdata *u) {
static void clear_up(struct userdata *u) {
assert(u);
-
+
if (u->sink) {
pa_sink_disconnect(u->sink);
pa_sink_unref(u->sink);
u->sink = NULL;
}
-
+
if (u->pcm_fdl)
pa_alsa_fdlist_free(u->pcm_fdl);
if (u->mixer_fdl)
@@ -113,7 +113,7 @@ static void clear_up(struct userdata *u) {
snd_mixer_close(u->mixer_handle);
u->mixer_handle = NULL;
}
-
+
if (u->pcm_handle) {
snd_pcm_drop(u->pcm_handle);
snd_pcm_close(u->pcm_handle);
@@ -126,7 +126,7 @@ static int xrun_recovery(struct userdata *u) {
assert(u);
pa_log_info("*** ALSA-XRUN (playback) ***");
-
+
if ((ret = snd_pcm_prepare(u->pcm_handle)) < 0) {
pa_log("snd_pcm_prepare() failed: %s", snd_strerror(-ret));
@@ -142,11 +142,11 @@ static void do_write(struct userdata *u) {
assert(u);
update_usage(u);
-
+
for (;;) {
pa_memchunk *memchunk = NULL;
snd_pcm_sframes_t frames;
-
+
if (u->memchunk.memblock)
memchunk = &u->memchunk;
else {
@@ -155,7 +155,7 @@ static void do_write(struct userdata *u) {
else
memchunk = &u->memchunk;
}
-
+
assert(memchunk->memblock && memchunk->memblock->data && memchunk->length && memchunk->memblock->length && (memchunk->length % u->frame_size) == 0);
if ((frames = snd_pcm_writei(u->pcm_handle, (uint8_t*) memchunk->memblock->data + memchunk->index, memchunk->length / u->frame_size)) < 0) {
@@ -165,7 +165,7 @@ static void do_write(struct userdata *u) {
if (frames == -EPIPE) {
if (xrun_recovery(u) < 0)
return;
-
+
continue;
}
@@ -187,7 +187,7 @@ static void do_write(struct userdata *u) {
memchunk->index = memchunk->length = 0;
}
}
-
+
break;
}
}
@@ -229,7 +229,7 @@ static pa_usec_t sink_get_latency_cb(pa_sink *s) {
struct userdata *u = s->userdata;
snd_pcm_sframes_t frames;
int err;
-
+
assert(s && u && u->sink);
if ((err = snd_pcm_delay(u->pcm_handle, &frames)) < 0) {
@@ -292,14 +292,14 @@ static int sink_set_hw_volume_cb(pa_sink *s) {
for (i = 0; i < s->hw_volume.channels; i++) {
long alsa_vol;
-
+
assert(snd_mixer_selem_has_playback_channel(u->mixer_elem, i));
vol = s->hw_volume.values[i];
if (vol > PA_VOLUME_NORM)
vol = PA_VOLUME_NORM;
-
+
alsa_vol = (long) roundf(((float) vol * (u->hw_volume_max - u->hw_volume_min)) / PA_VOLUME_NORM) + u->hw_volume_min;
if ((err = snd_mixer_selem_set_playback_volume(u->mixer_elem, i, alsa_vol)) < 0)
@@ -367,7 +367,7 @@ int pa__init(pa_core *c, pa_module*m) {
const char *name;
char *name_buf = NULL;
int namereg_fail;
-
+
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("failed to parse module arguments");
goto fail;
@@ -380,7 +380,7 @@ int pa__init(pa_core *c, pa_module*m) {
}
frame_size = pa_frame_size(&ss);
-
+
/* Fix latency to 100ms */
periods = 8;
fragsize = pa_bytes_per_second(&ss)/128;
@@ -390,11 +390,11 @@ int pa__init(pa_core *c, pa_module*m) {
goto fail;
}
period_size = fragsize/frame_size;
-
+
u = pa_xnew0(struct userdata, 1);
m->userdata = u;
u->module = m;
-
+
snd_config_update_free_global();
if ((err = snd_pcm_open(&u->pcm_handle, dev = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK)) < 0) {
pa_log("Error opening PCM device %s: %s", dev, snd_strerror(err));
@@ -415,7 +415,7 @@ int pa__init(pa_core *c, pa_module*m) {
if (ss.channels != map.channels)
/* Seems ALSA didn't like the channel number, so let's fix the channel map */
pa_channel_map_init_auto(&map, ss.channels, PA_CHANNEL_MAP_ALSA);
-
+
if ((err = snd_mixer_open(&u->mixer_handle, 0)) < 0) {
pa_log("Error opening mixer: %s", snd_strerror(err));
goto fail;
@@ -486,7 +486,7 @@ int pa__init(pa_core *c, pa_module*m) {
snd_mixer_elem_set_callback_private(u->mixer_elem, u);
} else
u->mixer_fdl = NULL;
-
+
u->frame_size = frame_size;
u->fragment_size = period_size * frame_size;
@@ -499,7 +499,7 @@ int pa__init(pa_core *c, pa_module*m) {
u->memchunk.memblock = NULL;
u->memchunk.index = u->memchunk.length = 0;
-
+
ret = 0;
/* Get initial mixer settings */
@@ -507,21 +507,21 @@ int pa__init(pa_core *c, pa_module*m) {
u->sink->get_hw_volume(u->sink);
if (u->sink->get_hw_mute)
u->sink->get_hw_mute(u->sink);
-
+
finish:
pa_xfree(name_buf);
-
+
if (ma)
pa_modargs_free(ma);
if (pcm_info)
snd_pcm_info_free(pcm_info);
-
+
return ret;
fail:
-
+
if (u)
pa__done(c, m);
@@ -541,7 +541,7 @@ void pa__done(pa_core *c, pa_module*m) {
pa_memblock_unref(u->memchunk.memblock);
if (u->silence.memblock)
pa_memblock_unref(u->silence.memblock);
-
+
pa_xfree(u);
}