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Diffstat (limited to 'src/modules/raop/module-raop-sink.c')
-rw-r--r--src/modules/raop/module-raop-sink.c697
1 files changed, 697 insertions, 0 deletions
diff --git a/src/modules/raop/module-raop-sink.c b/src/modules/raop/module-raop-sink.c
new file mode 100644
index 00000000..54de42c2
--- /dev/null
+++ b/src/modules/raop/module-raop-sink.c
@@ -0,0 +1,697 @@
+/***
+ This file is part of PulseAudio.
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2008 Colin Guthrie
+
+ 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 2.1 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
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include <poll.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#include <sys/ioctl.h>
+
+#ifdef HAVE_LINUX_SOCKIOS_H
+#include <linux/sockios.h>
+#endif
+
+#include <pulse/xmalloc.h>
+#include <pulse/timeval.h>
+
+#include <pulsecore/core-error.h>
+#include <pulsecore/iochannel.h>
+#include <pulsecore/sink.h>
+#include <pulsecore/module.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/modargs.h>
+#include <pulsecore/log.h>
+#include <pulsecore/socket-client.h>
+#include <pulsecore/authkey.h>
+#include <pulsecore/thread-mq.h>
+#include <pulsecore/thread.h>
+#include <pulsecore/time-smoother.h>
+#include <pulsecore/rtclock.h>
+#include <pulsecore/socket-util.h>
+
+#include "module-raop-sink-symdef.h"
+#include "rtp.h"
+#include "sdp.h"
+#include "sap.h"
+#include "raop_client.h"
+
+PA_MODULE_AUTHOR("Colin Guthrie");
+PA_MODULE_DESCRIPTION("RAOP Sink");
+PA_MODULE_VERSION(PACKAGE_VERSION);
+PA_MODULE_LOAD_ONCE(FALSE);
+PA_MODULE_USAGE(
+ "sink_name=<name for the sink> "
+ "sink_properties=<properties for the sink> "
+ "server=<address> "
+ "format=<sample format> "
+ "rate=<sample rate> "
+ "channels=<number of channels>");
+
+#define DEFAULT_SINK_NAME "raop"
+
+struct userdata {
+ pa_core *core;
+ pa_module *module;
+ pa_sink *sink;
+
+ pa_thread_mq thread_mq;
+ pa_rtpoll *rtpoll;
+ pa_rtpoll_item *rtpoll_item;
+ pa_thread *thread;
+
+ pa_memchunk raw_memchunk;
+ pa_memchunk encoded_memchunk;
+
+ void *write_data;
+ size_t write_length, write_index;
+
+ void *read_data;
+ size_t read_length, read_index;
+
+ pa_usec_t latency;
+
+ /*esd_format_t format;*/
+ int32_t rate;
+
+ pa_smoother *smoother;
+ int fd;
+
+ int64_t offset;
+ int64_t encoding_overhead;
+ int32_t next_encoding_overhead;
+ double encoding_ratio;
+
+ pa_raop_client *raop;
+
+ size_t block_size;
+};
+
+static const char* const valid_modargs[] = {
+ "sink_name",
+ "sink_properties",
+ "server",
+ "format",
+ "rate",
+ "channels",
+ "description", /* supported for compatibility reasons, made redundant by sink_properties= */
+ NULL
+};
+
+enum {
+ SINK_MESSAGE_PASS_SOCKET = PA_SINK_MESSAGE_MAX,
+ SINK_MESSAGE_RIP_SOCKET
+};
+
+/* Forward declaration */
+static void sink_set_volume_cb(pa_sink *);
+
+static void on_connection(int fd, void*userdata) {
+ int so_sndbuf = 0;
+ socklen_t sl = sizeof(int);
+ struct userdata *u = userdata;
+ pa_assert(u);
+
+ pa_assert(u->fd < 0);
+ u->fd = fd;
+
+ if (getsockopt(u->fd, SOL_SOCKET, SO_SNDBUF, &so_sndbuf, &sl) < 0)
+ pa_log_warn("getsockopt(SO_SNDBUF) failed: %s", pa_cstrerror(errno));
+ else {
+ pa_log_debug("SO_SNDBUF is %zu.", (size_t) so_sndbuf);
+ pa_sink_set_max_request(u->sink, PA_MAX((size_t) so_sndbuf, u->block_size));
+ }
+
+ /* Set the initial volume */
+ sink_set_volume_cb(u->sink);
+
+ pa_log_debug("Connection authenticated, handing fd to IO thread...");
+
+ pa_asyncmsgq_post(u->thread_mq.inq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_PASS_SOCKET, NULL, 0, NULL, NULL);
+}
+
+static void on_close(void*userdata) {
+ struct userdata *u = userdata;
+ pa_assert(u);
+
+ pa_log_debug("Connection closed, informing IO thread...");
+
+ pa_asyncmsgq_post(u->thread_mq.inq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_RIP_SOCKET, NULL, 0, NULL, NULL);
+}
+
+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;
+
+ switch (code) {
+
+ case PA_SINK_MESSAGE_SET_STATE:
+
+ switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) {
+
+ case PA_SINK_SUSPENDED:
+ pa_assert(PA_SINK_IS_OPENED(u->sink->thread_info.state));
+
+ pa_smoother_pause(u->smoother, pa_rtclock_usec());
+
+ /* Issue a FLUSH if we are connected */
+ if (u->fd >= 0) {
+ pa_raop_flush(u->raop);
+ }
+ break;
+
+ case PA_SINK_IDLE:
+ case PA_SINK_RUNNING:
+
+ if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
+ pa_smoother_resume(u->smoother, pa_rtclock_usec(), TRUE);
+
+ /* The connection can be closed when idle, so check to
+ see if we need to reestablish it */
+ if (u->fd < 0)
+ pa_raop_connect(u->raop);
+ else
+ pa_raop_flush(u->raop);
+ }
+
+ break;
+
+ case PA_SINK_UNLINKED:
+ case PA_SINK_INIT:
+ case PA_SINK_INVALID_STATE:
+ ;
+ }
+
+ break;
+
+ case PA_SINK_MESSAGE_GET_LATENCY: {
+ pa_usec_t w, r;
+
+ r = pa_smoother_get(u->smoother, pa_rtclock_usec());
+ w = pa_bytes_to_usec((u->offset - u->encoding_overhead + (u->encoded_memchunk.length / u->encoding_ratio)), &u->sink->sample_spec);
+
+ *((pa_usec_t*) data) = w > r ? w - r : 0;
+ return 0;
+ }
+
+ case SINK_MESSAGE_PASS_SOCKET: {
+ struct pollfd *pollfd;
+
+ pa_assert(!u->rtpoll_item);
+
+ u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
+ pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
+ pollfd->fd = u->fd;
+ pollfd->events = POLLOUT;
+ /*pollfd->events = */pollfd->revents = 0;
+
+ if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
+ /* Our stream has been suspended so we just flush it.... */
+ pa_raop_flush(u->raop);
+ }
+ return 0;
+ }
+
+ case SINK_MESSAGE_RIP_SOCKET: {
+ pa_assert(u->fd >= 0);
+
+ pa_close(u->fd);
+ u->fd = -1;
+
+ if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
+
+ pa_log_debug("RTSP control connection closed, but we're suspended so let's not worry about it... we'll open it again later");
+
+ if (u->rtpoll_item)
+ pa_rtpoll_item_free(u->rtpoll_item);
+ u->rtpoll_item = NULL;
+ } else {
+ /* Quesiton: is this valid here: or should we do some sort of:
+ return pa_sink_process_msg(PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL);
+ ?? */
+ pa_module_unload_request(u->module, TRUE);
+ }
+ return 0;
+ }
+ }
+
+ return pa_sink_process_msg(o, code, data, offset, chunk);
+}
+
+static void sink_set_volume_cb(pa_sink *s) {
+ struct userdata *u = s->userdata;
+ pa_cvolume hw;
+ pa_volume_t v;
+ char t[PA_CVOLUME_SNPRINT_MAX];
+
+ pa_assert(u);
+
+ /* If we're muted we don't need to do anything */
+ if (s->muted)
+ return;
+
+ /* Calculate the max volume of all channels.
+ We'll use this as our (single) volume on the APEX device and emulate
+ any variation in channel volumes in software */
+ v = pa_cvolume_max(&s->virtual_volume);
+
+ /* Create a pa_cvolume version of our single value */
+ pa_cvolume_set(&hw, s->sample_spec.channels, v);
+
+ /* Perform any software manipulation of the volume needed */
+ pa_sw_cvolume_divide(&s->soft_volume, &s->virtual_volume, &hw);
+
+ 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), &hw));
+ pa_log_debug("Calculated software volume: %s", pa_cvolume_snprint(t, sizeof(t), &s->soft_volume));
+
+ /* Any necessary software volume manipulateion is done so set
+ our hw volume (or v as a single value) on the device */
+ pa_raop_client_set_volume(u->raop, v);
+}
+
+static void sink_set_mute_cb(pa_sink *s) {
+ struct userdata *u = s->userdata;
+
+ pa_assert(u);
+
+ if (s->muted) {
+ pa_raop_client_set_volume(u->raop, PA_VOLUME_MUTED);
+ } else {
+ sink_set_volume_cb(s);
+ }
+}
+
+static void thread_func(void *userdata) {
+ struct userdata *u = userdata;
+ int write_type = 0;
+ pa_memchunk silence;
+ uint32_t silence_overhead = 0;
+ double silence_ratio = 0;
+
+ pa_assert(u);
+
+ pa_log_debug("Thread starting up");
+
+ pa_thread_mq_install(&u->thread_mq);
+ pa_rtpoll_install(u->rtpoll);
+
+ pa_smoother_set_time_offset(u->smoother, pa_rtclock_usec());
+
+ /* Create a chunk of memory that is our encoded silence sample. */
+ pa_memchunk_reset(&silence);
+
+ for (;;) {
+ int ret;
+
+ if (PA_SINK_IS_OPENED(u->sink->thread_info.state))
+ if (u->sink->thread_info.rewind_requested)
+ pa_sink_process_rewind(u->sink, 0);
+
+ if (u->rtpoll_item) {
+ struct pollfd *pollfd;
+ pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
+
+ /* Render some data and write it to the fifo */
+ if (/*PA_SINK_IS_OPENED(u->sink->thread_info.state) && */pollfd->revents) {
+ pa_usec_t usec;
+ int64_t n;
+ void *p;
+
+ if (!silence.memblock) {
+ pa_memchunk silence_tmp;
+
+ pa_memchunk_reset(&silence_tmp);
+ silence_tmp.memblock = pa_memblock_new(u->core->mempool, 4096);
+ silence_tmp.length = 4096;
+ p = pa_memblock_acquire(silence_tmp.memblock);
+ memset(p, 0, 4096);
+ pa_memblock_release(silence_tmp.memblock);
+ pa_raop_client_encode_sample(u->raop, &silence_tmp, &silence);
+ pa_assert(0 == silence_tmp.length);
+ silence_overhead = silence_tmp.length - 4096;
+ silence_ratio = silence_tmp.length / 4096;
+ pa_memblock_unref(silence_tmp.memblock);
+ }
+
+ for (;;) {
+ ssize_t l;
+
+ if (u->encoded_memchunk.length <= 0) {
+ if (u->encoded_memchunk.memblock)
+ pa_memblock_unref(u->encoded_memchunk.memblock);
+ if (PA_SINK_IS_OPENED(u->sink->thread_info.state)) {
+ size_t rl;
+
+ /* We render real data */
+ if (u->raw_memchunk.length <= 0) {
+ if (u->raw_memchunk.memblock)
+ pa_memblock_unref(u->raw_memchunk.memblock);
+ pa_memchunk_reset(&u->raw_memchunk);
+
+ /* Grab unencoded data */
+ pa_sink_render(u->sink, u->block_size, &u->raw_memchunk);
+ }
+ pa_assert(u->raw_memchunk.length > 0);
+
+ /* Encode it */
+ rl = u->raw_memchunk.length;
+ u->encoding_overhead += u->next_encoding_overhead;
+ pa_raop_client_encode_sample(u->raop, &u->raw_memchunk, &u->encoded_memchunk);
+ u->next_encoding_overhead = (u->encoded_memchunk.length - (rl - u->raw_memchunk.length));
+ u->encoding_ratio = u->encoded_memchunk.length / (rl - u->raw_memchunk.length);
+ } else {
+ /* We render some silence into our memchunk */
+ memcpy(&u->encoded_memchunk, &silence, sizeof(pa_memchunk));
+ pa_memblock_ref(silence.memblock);
+
+ /* Calculate/store some values to be used with the smoother */
+ u->next_encoding_overhead = silence_overhead;
+ u->encoding_ratio = silence_ratio;
+ }
+ }
+ pa_assert(u->encoded_memchunk.length > 0);
+
+ p = pa_memblock_acquire(u->encoded_memchunk.memblock);
+ l = pa_write(u->fd, (uint8_t*) p + u->encoded_memchunk.index, u->encoded_memchunk.length, &write_type);
+ pa_memblock_release(u->encoded_memchunk.memblock);
+
+ pa_assert(l != 0);
+
+ if (l < 0) {
+
+ if (errno == EINTR)
+ continue;
+ else if (errno == EAGAIN) {
+
+ /* OK, we filled all socket buffers up
+ * now. */
+ goto filled_up;
+
+ } else {
+ pa_log("Failed to write data to FIFO: %s", pa_cstrerror(errno));
+ goto fail;
+ }
+
+ } else {
+ u->offset += l;
+
+ u->encoded_memchunk.index += l;
+ u->encoded_memchunk.length -= l;
+
+ pollfd->revents = 0;
+
+ if (u->encoded_memchunk.length > 0) {
+ /* we've completely written the encoded data, so update our overhead */
+ u->encoding_overhead += u->next_encoding_overhead;
+
+ /* OK, we wrote less that we asked for,
+ * hence we can assume that the socket
+ * buffers are full now */
+ goto filled_up;
+ }
+ }
+ }
+
+ filled_up:
+
+ /* At this spot we know that the socket buffers are
+ * fully filled up. This is the best time to estimate
+ * the playback position of the server */
+
+ n = u->offset - u->encoding_overhead;
+
+#ifdef SIOCOUTQ
+ {
+ int l;
+ if (ioctl(u->fd, SIOCOUTQ, &l) >= 0 && l > 0)
+ n -= (l / u->encoding_ratio);
+ }
+#endif
+
+ usec = pa_bytes_to_usec(n, &u->sink->sample_spec);
+
+ if (usec > u->latency)
+ usec -= u->latency;
+ else
+ usec = 0;
+
+ pa_smoother_put(u->smoother, pa_rtclock_usec(), usec);
+ }
+
+ /* Hmm, nothing to do. Let's sleep */
+ pollfd->events = POLLOUT; /*PA_SINK_IS_OPENED(u->sink->thread_info.state) ? POLLOUT : 0;*/
+ }
+
+ if ((ret = pa_rtpoll_run(u->rtpoll, TRUE)) < 0)
+ goto fail;
+
+ if (ret == 0)
+ goto finish;
+
+ if (u->rtpoll_item) {
+ struct pollfd* pollfd;
+
+ pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
+
+ if (pollfd->revents & ~POLLOUT) {
+ if (u->sink->thread_info.state != PA_SINK_SUSPENDED) {
+ pa_log("FIFO shutdown.");
+ goto fail;
+ }
+
+ /* We expect this to happen on occasion if we are not sending data.
+ It's perfectly natural and normal and natural */
+ if (u->rtpoll_item)
+ pa_rtpoll_item_free(u->rtpoll_item);
+ u->rtpoll_item = NULL;
+ }
+ }
+ }
+
+fail:
+ /* If this was no regular exit from the loop we have to continue
+ * processing messages until we received PA_MESSAGE_SHUTDOWN */
+ pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
+ pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
+
+finish:
+ if (silence.memblock)
+ pa_memblock_unref(silence.memblock);
+ pa_log_debug("Thread shutting down");
+}
+
+int pa__init(pa_module*m) {
+ struct userdata *u = NULL;
+ pa_sample_spec ss;
+ pa_modargs *ma = NULL;
+ const char *server, *desc;
+ pa_sink_new_data data;
+
+ pa_assert(m);
+
+ if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
+ pa_log("failed to parse module arguments");
+ goto fail;
+ }
+
+ ss = m->core->default_sample_spec;
+ if (pa_modargs_get_sample_spec(ma, &ss) < 0) {
+ pa_log("invalid sample format specification");
+ goto fail;
+ }
+
+ if ((/*ss.format != PA_SAMPLE_U8 &&*/ ss.format != PA_SAMPLE_S16NE) ||
+ (ss.channels > 2)) {
+ pa_log("sample type support is limited to mono/stereo and U8 or S16NE sample data");
+ goto fail;
+ }
+
+ u = pa_xnew0(struct userdata, 1);
+ u->core = m->core;
+ u->module = m;
+ m->userdata = u;
+ u->fd = -1;
+ u->smoother = pa_smoother_new(
+ PA_USEC_PER_SEC,
+ PA_USEC_PER_SEC*2,
+ TRUE,
+ TRUE,
+ 10,
+ 0,
+ FALSE);
+ pa_memchunk_reset(&u->raw_memchunk);
+ pa_memchunk_reset(&u->encoded_memchunk);
+ u->offset = 0;
+ u->encoding_overhead = 0;
+ u->next_encoding_overhead = 0;
+ u->encoding_ratio = 1.0;
+
+ u->rtpoll = pa_rtpoll_new();
+ pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
+ u->rtpoll_item = NULL;
+
+ /*u->format =
+ (ss.format == PA_SAMPLE_U8 ? ESD_BITS8 : ESD_BITS16) |
+ (ss.channels == 2 ? ESD_STEREO : ESD_MONO);*/
+ u->rate = ss.rate;
+ u->block_size = pa_usec_to_bytes(PA_USEC_PER_SEC/20, &ss);
+
+ u->read_data = u->write_data = NULL;
+ u->read_index = u->write_index = u->read_length = u->write_length = 0;
+
+ /*u->state = STATE_AUTH;*/
+ u->latency = 0;
+
+ if (!(server = pa_modargs_get_value(ma, "server", NULL))) {
+ pa_log("No server argument given.");
+ goto fail;
+ }
+
+ pa_sink_new_data_init(&data);
+ data.driver = __FILE__;
+ data.module = m;
+ pa_sink_new_data_set_name(&data, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME));
+ pa_sink_new_data_set_sample_spec(&data, &ss);
+ pa_proplist_sets(data.proplist, PA_PROP_DEVICE_STRING, server);
+ pa_proplist_sets(data.proplist, PA_PROP_DEVICE_INTENDED_ROLES, "music");
+ if ((desc = pa_modargs_get_value(ma, "description", NULL)))
+ pa_proplist_sets(data.proplist, PA_PROP_DEVICE_DESCRIPTION, desc);
+ else
+ pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "RAOP sink '%s'", server);
+
+ if (pa_modargs_get_proplist(ma, "sink_properties", data.proplist, PA_UPDATE_REPLACE) < 0) {
+ pa_log("Invalid properties");
+ pa_sink_new_data_done(&data);
+ goto fail;
+ }
+
+ u->sink = pa_sink_new(m->core, &data, PA_SINK_LATENCY|PA_SINK_NETWORK);
+ pa_sink_new_data_done(&data);
+
+ if (!u->sink) {
+ pa_log("Failed to create sink.");
+ goto fail;
+ }
+
+ u->sink->parent.process_msg = sink_process_msg;
+ u->sink->userdata = u;
+ u->sink->set_volume = sink_set_volume_cb;
+ u->sink->set_mute = sink_set_mute_cb;
+ u->sink->flags = PA_SINK_LATENCY|PA_SINK_NETWORK|PA_SINK_HW_VOLUME_CTRL;
+
+ pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
+ pa_sink_set_rtpoll(u->sink, u->rtpoll);
+
+ if (!(u->raop = pa_raop_client_new(u->core, server))) {
+ pa_log("Failed to connect to server.");
+ goto fail;
+ }
+
+ pa_raop_client_set_callback(u->raop, on_connection, u);
+ pa_raop_client_set_closed_callback(u->raop, on_close, u);
+
+ if (!(u->thread = pa_thread_new(thread_func, u))) {
+ pa_log("Failed to create thread.");
+ goto fail;
+ }
+
+ pa_sink_put(u->sink);
+
+ pa_modargs_free(ma);
+
+ return 0;
+
+fail:
+ if (ma)
+ pa_modargs_free(ma);
+
+ pa__done(m);
+
+ return -1;
+}
+
+int pa__get_n_used(pa_module *m) {
+ struct userdata *u;
+
+ pa_assert(m);
+ pa_assert_se(u = m->userdata);
+
+ return pa_sink_linked_by(u->sink);
+}
+
+void pa__done(pa_module*m) {
+ struct userdata *u;
+ pa_assert(m);
+
+ if (!(u = m->userdata))
+ return;
+
+ if (u->sink)
+ pa_sink_unlink(u->sink);
+
+ if (u->thread) {
+ pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
+ pa_thread_free(u->thread);
+ }
+
+ pa_thread_mq_done(&u->thread_mq);
+
+ if (u->sink)
+ pa_sink_unref(u->sink);
+
+ if (u->rtpoll_item)
+ pa_rtpoll_item_free(u->rtpoll_item);
+
+ if (u->rtpoll)
+ pa_rtpoll_free(u->rtpoll);
+
+ if (u->raw_memchunk.memblock)
+ pa_memblock_unref(u->raw_memchunk.memblock);
+
+ if (u->encoded_memchunk.memblock)
+ pa_memblock_unref(u->encoded_memchunk.memblock);
+
+ if (u->raop)
+ pa_raop_client_free(u->raop);
+
+ pa_xfree(u->read_data);
+ pa_xfree(u->write_data);
+
+ if (u->smoother)
+ pa_smoother_free(u->smoother);
+
+ if (u->fd >= 0)
+ pa_close(u->fd);
+
+ pa_xfree(u);
+}