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-rw-r--r--src/output/PulseOutputPlugin.cxx887
1 files changed, 0 insertions, 887 deletions
diff --git a/src/output/PulseOutputPlugin.cxx b/src/output/PulseOutputPlugin.cxx
deleted file mode 100644
index 1eece448a..000000000
--- a/src/output/PulseOutputPlugin.cxx
+++ /dev/null
@@ -1,887 +0,0 @@
-/*
- * Copyright (C) 2003-2013 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "PulseOutputPlugin.hxx"
-#include "OutputAPI.hxx"
-#include "MixerList.hxx"
-#include "mixer/PulseMixerPlugin.hxx"
-#include "util/Error.hxx"
-#include "util/Domain.hxx"
-#include "Log.hxx"
-
-#include <glib.h>
-
-#include <pulse/thread-mainloop.h>
-#include <pulse/context.h>
-#include <pulse/stream.h>
-#include <pulse/introspect.h>
-#include <pulse/subscribe.h>
-#include <pulse/error.h>
-#include <pulse/version.h>
-
-#include <assert.h>
-#include <stddef.h>
-
-#define MPD_PULSE_NAME "Music Player Daemon"
-
-struct PulseOutput {
- struct audio_output base;
-
- const char *name;
- const char *server;
- const char *sink;
-
- PulseMixer *mixer;
-
- struct pa_threaded_mainloop *mainloop;
- struct pa_context *context;
- struct pa_stream *stream;
-
- size_t writable;
-};
-
-static constexpr Domain pulse_output_domain("pulse_output");
-
-static void
-SetError(Error &error, pa_context *context, const char *msg)
-{
- const int e = pa_context_errno(context);
- error.Format(pulse_output_domain, e, "%s: %s", msg, pa_strerror(e));
-}
-
-void
-pulse_output_lock(PulseOutput *po)
-{
- pa_threaded_mainloop_lock(po->mainloop);
-}
-
-void
-pulse_output_unlock(PulseOutput *po)
-{
- pa_threaded_mainloop_unlock(po->mainloop);
-}
-
-void
-pulse_output_set_mixer(PulseOutput *po, PulseMixer *pm)
-{
- assert(po != nullptr);
- assert(po->mixer == nullptr);
- assert(pm != nullptr);
-
- po->mixer = pm;
-
- if (po->mainloop == nullptr)
- return;
-
- pa_threaded_mainloop_lock(po->mainloop);
-
- if (po->context != nullptr &&
- pa_context_get_state(po->context) == PA_CONTEXT_READY) {
- pulse_mixer_on_connect(pm, po->context);
-
- if (po->stream != nullptr &&
- pa_stream_get_state(po->stream) == PA_STREAM_READY)
- pulse_mixer_on_change(pm, po->context, po->stream);
- }
-
- pa_threaded_mainloop_unlock(po->mainloop);
-}
-
-void
-pulse_output_clear_mixer(PulseOutput *po, gcc_unused PulseMixer *pm)
-{
- assert(po != nullptr);
- assert(pm != nullptr);
- assert(po->mixer == pm);
-
- po->mixer = nullptr;
-}
-
-bool
-pulse_output_set_volume(PulseOutput *po, const pa_cvolume *volume,
- Error &error)
-{
- pa_operation *o;
-
- if (po->context == nullptr || po->stream == nullptr ||
- pa_stream_get_state(po->stream) != PA_STREAM_READY) {
- error.Set(pulse_output_domain, "disconnected");
- return false;
- }
-
- o = pa_context_set_sink_input_volume(po->context,
- pa_stream_get_index(po->stream),
- volume, nullptr, nullptr);
- if (o == nullptr) {
- SetError(error, po->context,
- "failed to set PulseAudio volume");
- return false;
- }
-
- pa_operation_unref(o);
- return true;
-}
-
-/**
- * \brief waits for a pulseaudio operation to finish, frees it and
- * unlocks the mainloop
- * \param operation the operation to wait for
- * \return true if operation has finished normally (DONE state),
- * false otherwise
- */
-static bool
-pulse_wait_for_operation(struct pa_threaded_mainloop *mainloop,
- struct pa_operation *operation)
-{
- pa_operation_state_t state;
-
- assert(mainloop != nullptr);
- assert(operation != nullptr);
-
- state = pa_operation_get_state(operation);
- while (state == PA_OPERATION_RUNNING) {
- pa_threaded_mainloop_wait(mainloop);
- state = pa_operation_get_state(operation);
- }
-
- pa_operation_unref(operation);
-
- return state == PA_OPERATION_DONE;
-}
-
-/**
- * Callback function for stream operation. It just sends a signal to
- * the caller thread, to wake pulse_wait_for_operation() up.
- */
-static void
-pulse_output_stream_success_cb(gcc_unused pa_stream *s,
- gcc_unused int success, void *userdata)
-{
- PulseOutput *po = (PulseOutput *)userdata;
-
- pa_threaded_mainloop_signal(po->mainloop, 0);
-}
-
-static void
-pulse_output_context_state_cb(struct pa_context *context, void *userdata)
-{
- PulseOutput *po = (PulseOutput *)userdata;
-
- switch (pa_context_get_state(context)) {
- case PA_CONTEXT_READY:
- if (po->mixer != nullptr)
- pulse_mixer_on_connect(po->mixer, context);
-
- pa_threaded_mainloop_signal(po->mainloop, 0);
- break;
-
- case PA_CONTEXT_TERMINATED:
- case PA_CONTEXT_FAILED:
- if (po->mixer != nullptr)
- pulse_mixer_on_disconnect(po->mixer);
-
- /* the caller thread might be waiting for these
- states */
- pa_threaded_mainloop_signal(po->mainloop, 0);
- break;
-
- case PA_CONTEXT_UNCONNECTED:
- case PA_CONTEXT_CONNECTING:
- case PA_CONTEXT_AUTHORIZING:
- case PA_CONTEXT_SETTING_NAME:
- break;
- }
-}
-
-static void
-pulse_output_subscribe_cb(pa_context *context,
- pa_subscription_event_type_t t,
- uint32_t idx, void *userdata)
-{
- PulseOutput *po = (PulseOutput *)userdata;
- pa_subscription_event_type_t facility =
- pa_subscription_event_type_t(t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK);
- pa_subscription_event_type_t type =
- pa_subscription_event_type_t(t & PA_SUBSCRIPTION_EVENT_TYPE_MASK);
-
- if (po->mixer != nullptr &&
- facility == PA_SUBSCRIPTION_EVENT_SINK_INPUT &&
- po->stream != nullptr &&
- pa_stream_get_state(po->stream) == PA_STREAM_READY &&
- idx == pa_stream_get_index(po->stream) &&
- (type == PA_SUBSCRIPTION_EVENT_NEW ||
- type == PA_SUBSCRIPTION_EVENT_CHANGE))
- pulse_mixer_on_change(po->mixer, context, po->stream);
-}
-
-/**
- * Attempt to connect asynchronously to the PulseAudio server.
- *
- * @return true on success, false on error
- */
-static bool
-pulse_output_connect(PulseOutput *po, Error &error)
-{
- assert(po != nullptr);
- assert(po->context != nullptr);
-
- if (pa_context_connect(po->context, po->server,
- (pa_context_flags_t)0, nullptr) < 0) {
- SetError(error, po->context,
- "pa_context_connect() has failed");
- return false;
- }
-
- return true;
-}
-
-/**
- * Frees and clears the stream.
- */
-static void
-pulse_output_delete_stream(PulseOutput *po)
-{
- assert(po != nullptr);
- assert(po->stream != nullptr);
-
- pa_stream_set_suspended_callback(po->stream, nullptr, nullptr);
-
- pa_stream_set_state_callback(po->stream, nullptr, nullptr);
- pa_stream_set_write_callback(po->stream, nullptr, nullptr);
-
- pa_stream_disconnect(po->stream);
- pa_stream_unref(po->stream);
- po->stream = nullptr;
-}
-
-/**
- * Frees and clears the context.
- *
- * Caller must lock the main loop.
- */
-static void
-pulse_output_delete_context(PulseOutput *po)
-{
- assert(po != nullptr);
- assert(po->context != nullptr);
-
- pa_context_set_state_callback(po->context, nullptr, nullptr);
- pa_context_set_subscribe_callback(po->context, nullptr, nullptr);
-
- pa_context_disconnect(po->context);
- pa_context_unref(po->context);
- po->context = nullptr;
-}
-
-/**
- * Create, set up and connect a context.
- *
- * Caller must lock the main loop.
- *
- * @return true on success, false on error
- */
-static bool
-pulse_output_setup_context(PulseOutput *po, Error &error)
-{
- assert(po != nullptr);
- assert(po->mainloop != nullptr);
-
- po->context = pa_context_new(pa_threaded_mainloop_get_api(po->mainloop),
- MPD_PULSE_NAME);
- if (po->context == nullptr) {
- error.Set(pulse_output_domain, "pa_context_new() has failed");
- return false;
- }
-
- pa_context_set_state_callback(po->context,
- pulse_output_context_state_cb, po);
- pa_context_set_subscribe_callback(po->context,
- pulse_output_subscribe_cb, po);
-
- if (!pulse_output_connect(po, error)) {
- pulse_output_delete_context(po);
- return false;
- }
-
- return true;
-}
-
-static struct audio_output *
-pulse_output_init(const config_param &param, Error &error)
-{
- PulseOutput *po;
-
- g_setenv("PULSE_PROP_media.role", "music", true);
-
- po = new PulseOutput();
- if (!ao_base_init(&po->base, &pulse_output_plugin, param, error)) {
- delete po;
- return nullptr;
- }
-
- po->name = param.GetBlockValue("name", "mpd_pulse");
- po->server = param.GetBlockValue("server");
- po->sink = param.GetBlockValue("sink");
-
- po->mixer = nullptr;
- po->mainloop = nullptr;
- po->context = nullptr;
- po->stream = nullptr;
-
- return &po->base;
-}
-
-static void
-pulse_output_finish(struct audio_output *ao)
-{
- PulseOutput *po = (PulseOutput *)ao;
-
- ao_base_finish(&po->base);
- delete po;
-}
-
-static bool
-pulse_output_enable(struct audio_output *ao, Error &error)
-{
- PulseOutput *po = (PulseOutput *)ao;
-
- assert(po->mainloop == nullptr);
- assert(po->context == nullptr);
-
- /* create the libpulse mainloop and start the thread */
-
- po->mainloop = pa_threaded_mainloop_new();
- if (po->mainloop == nullptr) {
- error.Set(pulse_output_domain,
- "pa_threaded_mainloop_new() has failed");
- return false;
- }
-
- pa_threaded_mainloop_lock(po->mainloop);
-
- if (pa_threaded_mainloop_start(po->mainloop) < 0) {
- pa_threaded_mainloop_unlock(po->mainloop);
- pa_threaded_mainloop_free(po->mainloop);
- po->mainloop = nullptr;
-
- error.Set(pulse_output_domain,
- "pa_threaded_mainloop_start() has failed");
- return false;
- }
-
- /* create the libpulse context and connect it */
-
- if (!pulse_output_setup_context(po, error)) {
- pa_threaded_mainloop_unlock(po->mainloop);
- pa_threaded_mainloop_stop(po->mainloop);
- pa_threaded_mainloop_free(po->mainloop);
- po->mainloop = nullptr;
- return false;
- }
-
- pa_threaded_mainloop_unlock(po->mainloop);
-
- return true;
-}
-
-static void
-pulse_output_disable(struct audio_output *ao)
-{
- PulseOutput *po = (PulseOutput *)ao;
-
- assert(po->mainloop != nullptr);
-
- pa_threaded_mainloop_stop(po->mainloop);
- if (po->context != nullptr)
- pulse_output_delete_context(po);
- pa_threaded_mainloop_free(po->mainloop);
- po->mainloop = nullptr;
-}
-
-/**
- * Check if the context is (already) connected, and waits if not. If
- * the context has been disconnected, retry to connect.
- *
- * Caller must lock the main loop.
- *
- * @return true on success, false on error
- */
-static bool
-pulse_output_wait_connection(PulseOutput *po, Error &error)
-{
- assert(po->mainloop != nullptr);
-
- pa_context_state_t state;
-
- if (po->context == nullptr && !pulse_output_setup_context(po, error))
- return false;
-
- while (true) {
- state = pa_context_get_state(po->context);
- switch (state) {
- case PA_CONTEXT_READY:
- /* nothing to do */
- return true;
-
- case PA_CONTEXT_UNCONNECTED:
- case PA_CONTEXT_TERMINATED:
- case PA_CONTEXT_FAILED:
- /* failure */
- SetError(error, po->context, "failed to connect");
- pulse_output_delete_context(po);
- return false;
-
- case PA_CONTEXT_CONNECTING:
- case PA_CONTEXT_AUTHORIZING:
- case PA_CONTEXT_SETTING_NAME:
- /* wait some more */
- pa_threaded_mainloop_wait(po->mainloop);
- break;
- }
- }
-}
-
-static void
-pulse_output_stream_suspended_cb(gcc_unused pa_stream *stream, void *userdata)
-{
- PulseOutput *po = (PulseOutput *)userdata;
-
- assert(stream == po->stream || po->stream == nullptr);
- assert(po->mainloop != nullptr);
-
- /* wake up the main loop to break out of the loop in
- pulse_output_play() */
- pa_threaded_mainloop_signal(po->mainloop, 0);
-}
-
-static void
-pulse_output_stream_state_cb(pa_stream *stream, void *userdata)
-{
- PulseOutput *po = (PulseOutput *)userdata;
-
- assert(stream == po->stream || po->stream == nullptr);
- assert(po->mainloop != nullptr);
- assert(po->context != nullptr);
-
- switch (pa_stream_get_state(stream)) {
- case PA_STREAM_READY:
- if (po->mixer != nullptr)
- pulse_mixer_on_change(po->mixer, po->context, stream);
-
- pa_threaded_mainloop_signal(po->mainloop, 0);
- break;
-
- case PA_STREAM_FAILED:
- case PA_STREAM_TERMINATED:
- if (po->mixer != nullptr)
- pulse_mixer_on_disconnect(po->mixer);
-
- pa_threaded_mainloop_signal(po->mainloop, 0);
- break;
-
- case PA_STREAM_UNCONNECTED:
- case PA_STREAM_CREATING:
- break;
- }
-}
-
-static void
-pulse_output_stream_write_cb(gcc_unused pa_stream *stream, size_t nbytes,
- void *userdata)
-{
- PulseOutput *po = (PulseOutput *)userdata;
-
- assert(po->mainloop != nullptr);
-
- po->writable = nbytes;
- pa_threaded_mainloop_signal(po->mainloop, 0);
-}
-
-/**
- * Create, set up and connect a context.
- *
- * Caller must lock the main loop.
- *
- * @return true on success, false on error
- */
-static bool
-pulse_output_setup_stream(PulseOutput *po, const pa_sample_spec *ss,
- Error &error)
-{
- assert(po != nullptr);
- assert(po->context != nullptr);
-
- po->stream = pa_stream_new(po->context, po->name, ss, nullptr);
- if (po->stream == nullptr) {
- SetError(error, po->context, "pa_stream_new() has failed");
- return false;
- }
-
- pa_stream_set_suspended_callback(po->stream,
- pulse_output_stream_suspended_cb, po);
-
- pa_stream_set_state_callback(po->stream,
- pulse_output_stream_state_cb, po);
- pa_stream_set_write_callback(po->stream,
- pulse_output_stream_write_cb, po);
-
- return true;
-}
-
-static bool
-pulse_output_open(struct audio_output *ao, AudioFormat &audio_format,
- Error &error)
-{
- PulseOutput *po = (PulseOutput *)ao;
- pa_sample_spec ss;
-
- assert(po->mainloop != nullptr);
-
- pa_threaded_mainloop_lock(po->mainloop);
-
- if (po->context != nullptr) {
- switch (pa_context_get_state(po->context)) {
- case PA_CONTEXT_UNCONNECTED:
- case PA_CONTEXT_TERMINATED:
- case PA_CONTEXT_FAILED:
- /* the connection was closed meanwhile; delete
- it, and pulse_output_wait_connection() will
- reopen it */
- pulse_output_delete_context(po);
- break;
-
- case PA_CONTEXT_READY:
- case PA_CONTEXT_CONNECTING:
- case PA_CONTEXT_AUTHORIZING:
- case PA_CONTEXT_SETTING_NAME:
- break;
- }
- }
-
- if (!pulse_output_wait_connection(po, error)) {
- pa_threaded_mainloop_unlock(po->mainloop);
- return false;
- }
-
- /* MPD doesn't support the other pulseaudio sample formats, so
- we just force MPD to send us everything as 16 bit */
- audio_format.format = SampleFormat::S16;
-
- ss.format = PA_SAMPLE_S16NE;
- ss.rate = audio_format.sample_rate;
- ss.channels = audio_format.channels;
-
- /* create a stream .. */
-
- if (!pulse_output_setup_stream(po, &ss, error)) {
- pa_threaded_mainloop_unlock(po->mainloop);
- return false;
- }
-
- /* .. and connect it (asynchronously) */
-
- if (pa_stream_connect_playback(po->stream, po->sink,
- nullptr, pa_stream_flags_t(0),
- nullptr, nullptr) < 0) {
- pulse_output_delete_stream(po);
-
- SetError(error, po->context,
- "pa_stream_connect_playback() has failed");
- pa_threaded_mainloop_unlock(po->mainloop);
- return false;
- }
-
- pa_threaded_mainloop_unlock(po->mainloop);
-
- return true;
-}
-
-static void
-pulse_output_close(struct audio_output *ao)
-{
- PulseOutput *po = (PulseOutput *)ao;
- pa_operation *o;
-
- assert(po->mainloop != nullptr);
-
- pa_threaded_mainloop_lock(po->mainloop);
-
- if (pa_stream_get_state(po->stream) == PA_STREAM_READY) {
- o = pa_stream_drain(po->stream,
- pulse_output_stream_success_cb, po);
- if (o == nullptr) {
- FormatWarning(pulse_output_domain,
- "pa_stream_drain() has failed: %s",
- pa_strerror(pa_context_errno(po->context)));
- } else
- pulse_wait_for_operation(po->mainloop, o);
- }
-
- pulse_output_delete_stream(po);
-
- if (po->context != nullptr &&
- pa_context_get_state(po->context) != PA_CONTEXT_READY)
- pulse_output_delete_context(po);
-
- pa_threaded_mainloop_unlock(po->mainloop);
-}
-
-/**
- * Check if the stream is (already) connected, and waits if not. The
- * mainloop must be locked before calling this function.
- *
- * @return true on success, false on error
- */
-static bool
-pulse_output_wait_stream(PulseOutput *po, Error &error)
-{
- while (true) {
- switch (pa_stream_get_state(po->stream)) {
- case PA_STREAM_READY:
- return true;
-
- case PA_STREAM_FAILED:
- case PA_STREAM_TERMINATED:
- case PA_STREAM_UNCONNECTED:
- SetError(error, po->context,
- "failed to connect the stream");
- return false;
-
- case PA_STREAM_CREATING:
- pa_threaded_mainloop_wait(po->mainloop);
- break;
- }
- }
-}
-
-/**
- * Sets cork mode on the stream.
- */
-static bool
-pulse_output_stream_pause(PulseOutput *po, bool pause,
- Error &error)
-{
- pa_operation *o;
-
- assert(po->mainloop != nullptr);
- assert(po->context != nullptr);
- assert(po->stream != nullptr);
-
- o = pa_stream_cork(po->stream, pause,
- pulse_output_stream_success_cb, po);
- if (o == nullptr) {
- SetError(error, po->context, "pa_stream_cork() has failed");
- return false;
- }
-
- if (!pulse_wait_for_operation(po->mainloop, o)) {
- SetError(error, po->context, "pa_stream_cork() has failed");
- return false;
- }
-
- return true;
-}
-
-static unsigned
-pulse_output_delay(struct audio_output *ao)
-{
- PulseOutput *po = (PulseOutput *)ao;
- unsigned result = 0;
-
- pa_threaded_mainloop_lock(po->mainloop);
-
- if (po->base.pause && pa_stream_is_corked(po->stream) &&
- pa_stream_get_state(po->stream) == PA_STREAM_READY)
- /* idle while paused */
- result = 1000;
-
- pa_threaded_mainloop_unlock(po->mainloop);
-
- return result;
-}
-
-static size_t
-pulse_output_play(struct audio_output *ao, const void *chunk, size_t size,
- Error &error)
-{
- PulseOutput *po = (PulseOutput *)ao;
-
- assert(po->mainloop != nullptr);
- assert(po->stream != nullptr);
-
- pa_threaded_mainloop_lock(po->mainloop);
-
- /* check if the stream is (already) connected */
-
- if (!pulse_output_wait_stream(po, error)) {
- pa_threaded_mainloop_unlock(po->mainloop);
- return 0;
- }
-
- assert(po->context != nullptr);
-
- /* unpause if previously paused */
-
- if (pa_stream_is_corked(po->stream) &&
- !pulse_output_stream_pause(po, false, error)) {
- pa_threaded_mainloop_unlock(po->mainloop);
- return 0;
- }
-
- /* wait until the server allows us to write */
-
- while (po->writable == 0) {
- if (pa_stream_is_suspended(po->stream)) {
- pa_threaded_mainloop_unlock(po->mainloop);
- error.Set(pulse_output_domain, "suspended");
- return 0;
- }
-
- pa_threaded_mainloop_wait(po->mainloop);
-
- if (pa_stream_get_state(po->stream) != PA_STREAM_READY) {
- pa_threaded_mainloop_unlock(po->mainloop);
- error.Set(pulse_output_domain, "disconnected");
- return 0;
- }
- }
-
- /* now write */
-
- if (size > po->writable)
- /* don't send more than possible */
- size = po->writable;
-
- po->writable -= size;
-
- int result = pa_stream_write(po->stream, chunk, size, nullptr,
- 0, PA_SEEK_RELATIVE);
- pa_threaded_mainloop_unlock(po->mainloop);
- if (result < 0) {
- SetError(error, po->context, "pa_stream_write() failed");
- return 0;
- }
-
- return size;
-}
-
-static void
-pulse_output_cancel(struct audio_output *ao)
-{
- PulseOutput *po = (PulseOutput *)ao;
- pa_operation *o;
-
- assert(po->mainloop != nullptr);
- assert(po->stream != nullptr);
-
- pa_threaded_mainloop_lock(po->mainloop);
-
- if (pa_stream_get_state(po->stream) != PA_STREAM_READY) {
- /* no need to flush when the stream isn't connected
- yet */
- pa_threaded_mainloop_unlock(po->mainloop);
- return;
- }
-
- assert(po->context != nullptr);
-
- o = pa_stream_flush(po->stream, pulse_output_stream_success_cb, po);
- if (o == nullptr) {
- FormatWarning(pulse_output_domain,
- "pa_stream_flush() has failed: %s",
- pa_strerror(pa_context_errno(po->context)));
- pa_threaded_mainloop_unlock(po->mainloop);
- return;
- }
-
- pulse_wait_for_operation(po->mainloop, o);
- pa_threaded_mainloop_unlock(po->mainloop);
-}
-
-static bool
-pulse_output_pause(struct audio_output *ao)
-{
- PulseOutput *po = (PulseOutput *)ao;
-
- assert(po->mainloop != nullptr);
- assert(po->stream != nullptr);
-
- pa_threaded_mainloop_lock(po->mainloop);
-
- /* check if the stream is (already/still) connected */
-
- Error error;
- if (!pulse_output_wait_stream(po, error)) {
- pa_threaded_mainloop_unlock(po->mainloop);
- LogError(error);
- return false;
- }
-
- assert(po->context != nullptr);
-
- /* cork the stream */
-
- if (!pa_stream_is_corked(po->stream) &&
- !pulse_output_stream_pause(po, true, error)) {
- pa_threaded_mainloop_unlock(po->mainloop);
- LogError(error);
- return false;
- }
-
- pa_threaded_mainloop_unlock(po->mainloop);
-
- return true;
-}
-
-static bool
-pulse_output_test_default_device(void)
-{
- bool success;
-
- const config_param empty;
- PulseOutput *po = (PulseOutput *)
- pulse_output_init(empty, IgnoreError());
- if (po == nullptr)
- return false;
-
- success = pulse_output_wait_connection(po, IgnoreError());
- pulse_output_finish(&po->base);
-
- return success;
-}
-
-const struct audio_output_plugin pulse_output_plugin = {
- "pulse",
- pulse_output_test_default_device,
- pulse_output_init,
- pulse_output_finish,
- pulse_output_enable,
- pulse_output_disable,
- pulse_output_open,
- pulse_output_close,
- pulse_output_delay,
- nullptr,
- pulse_output_play,
- nullptr,
- pulse_output_cancel,
- pulse_output_pause,
-
- &pulse_mixer_plugin,
-};