+++ /dev/null
-/*
- * Copyright (C) 2016,2017 Konsulko Group
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "paclient.h"
-
-#include <QtCore/QDebug>
-
-PaClient::PaClient()
- : m_init(false), m_ml(nullptr), m_mlapi(nullptr), m_ctx(nullptr)
-{
-}
-
-PaClient::~PaClient()
-{
- if (m_init)
- close();
-}
-
-void PaClient::close()
-{
- if (!m_init) return;
- pa_threaded_mainloop_stop(m_ml);
- pa_threaded_mainloop_free(m_ml);
- m_init = false;
-}
-
-static void set_sink_volume_cb(pa_context *c, int success, void *data)
-{
- Q_UNUSED(data);
-
- if (!success)
- qWarning() << "PaClient: set sink volume: " <<
- pa_strerror(pa_context_errno(c));
-}
-
-void PaClient::incDecVolume(const int volume_delta)
-{
- pa_operation *o;
- pa_context *c = context();
- pa_sink_info *i = getDefaultSinkInfo();
-
- if (volume_delta > 0)
- pa_cvolume_inc_clamp(&i->volume, volume_delta, 65536);
- else
- pa_cvolume_dec(&i->volume, abs(volume_delta));
-
- o = pa_context_set_sink_volume_by_index(c, i->index, &i->volume, set_sink_volume_cb, NULL);
- if (!o) {
- qWarning() << "PaClient: set sink #" << i->index <<
- " volume: " << pa_strerror(pa_context_errno(c));
- return;
- }
- pa_operation_unref(o);
-}
-
-void get_sink_info_change_cb(pa_context *c,
- const pa_sink_info *i,
- int eol,
- void *data)
-{
- Q_UNUSED(c);
- Q_ASSERT(i);
- Q_ASSERT(data);
-
- if (eol) return;
-
- PaClient *self = reinterpret_cast<PaClient*>(data);
- pa_sink_info *si = self->getDefaultSinkInfo();
- if (i->index == si->index) {
- self->setDefaultSinkInfo(i);
- pa_cvolume *cvolume = &self->getDefaultSinkInfo()->volume;
- emit self->volumeExternallyChanged(pa_cvolume_avg(cvolume));
- }
-}
-
-void get_default_sink_info_cb(pa_context *c,
- const pa_sink_info *i,
- int eol,
- void *data)
-{
- Q_UNUSED(c);
- Q_ASSERT(i);
- Q_ASSERT(data);
-
- if (eol) return;
-
- PaClient *self = reinterpret_cast<PaClient*>(data);
- self->setDefaultSinkInfo(i);
-}
-
-pa_sink_info *PaClient::getDefaultSinkInfo(void)
-{
- return &m_default_sink_info;
-}
-
-void PaClient::setDefaultSinkInfo(const pa_sink_info *i)
-{
- m_default_sink_info.index = i->index;
- m_default_sink_info.channel_map.channels = i->channel_map.channels;
- pa_cvolume *cvolume = &m_default_sink_info.volume;
- cvolume->channels = i->volume.channels;
- for (int chan = 0; chan < i->channel_map.channels; chan++) {
- cvolume->values[chan] = i->volume.values[chan];
- }
-}
-
-void get_server_info_cb(pa_context *c,
- const pa_server_info *i,
- void *data)
-{
- pa_operation *o;
- o = pa_context_get_sink_info_by_name(c, i->default_sink_name, get_default_sink_info_cb, data);
- if (!o) {
- qWarning() << "PaClient: get sink info by name: " <<
- pa_strerror(pa_context_errno(c));
- return;
- }
-}
-
-void subscribe_cb(pa_context *c,
- pa_subscription_event_type_t type,
- uint32_t index,
- void *data)
-{
- pa_operation *o;
-
- if ((type & PA_SUBSCRIPTION_EVENT_TYPE_MASK) != PA_SUBSCRIPTION_EVENT_CHANGE) {
- qWarning("PaClient: unhandled subscribe event operation");
- return;
- }
-
- switch (type & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) {
- case PA_SUBSCRIPTION_EVENT_SINK:
- o = pa_context_get_sink_info_by_index(c, index, get_sink_info_change_cb, data);
- if (!o) {
- qWarning() << "PaClient: get sink info by index: " <<
- pa_strerror(pa_context_errno(c));
- return;
- }
- break;
- default:
- qWarning("PaClient: unhandled subscribe event facility");
- }
-}
-
-void context_state_cb(pa_context *c, void *data)
-{
- pa_operation *o;
- PaClient *self = reinterpret_cast<PaClient*>(data);
-
- switch (pa_context_get_state(c)) {
- case PA_CONTEXT_CONNECTING:
- case PA_CONTEXT_AUTHORIZING:
- case PA_CONTEXT_SETTING_NAME:
- break;
- case PA_CONTEXT_READY:
- o = pa_context_get_server_info(c, get_server_info_cb, data);
- if (!o) {
- qWarning() << "PaClient: get server info: " <<
- pa_strerror(pa_context_errno(c));
- return;
- }
- pa_operation_unref(o);
- pa_context_set_subscribe_callback(c, subscribe_cb, data);
- o = pa_context_subscribe(c, (pa_subscription_mask_t)(PA_SUBSCRIPTION_MASK_SINK), NULL, NULL);
- if (!o) {
- qWarning() << "PaClient: subscribe: " <<
- pa_strerror(pa_context_errno(c));
- return;
- }
- break;
- case PA_CONTEXT_TERMINATED:
- self->close();
- break;
-
- case PA_CONTEXT_FAILED:
- default:
- qCritical() << "PaClient: connection failed: " <<
- pa_strerror(pa_context_errno(c));
- self->close();
- break;
- }
-}
-
-void PaClient::init()
-{
- m_ml = pa_threaded_mainloop_new();
- if (!m_ml) {
- qCritical("PaClient: failed to create mainloop");
- return;
- }
-
- pa_threaded_mainloop_set_name(m_ml, "PaClient mainloop");
-
- m_mlapi = pa_threaded_mainloop_get_api(m_ml);
-
- lock();
-
- m_ctx = pa_context_new(m_mlapi, "HomeScreen");
- if (!m_ctx) {
- qCritical("PaClient: failed to create context");
- unlock();
- pa_threaded_mainloop_free(m_ml);
- return;
- }
- pa_context_set_state_callback(m_ctx, context_state_cb, this);
-
- if (pa_context_connect(m_ctx, 0, (pa_context_flags_t)0, 0) < 0) {
- qCritical("PaClient: failed to connect");
- pa_context_unref(m_ctx);
- unlock();
- pa_threaded_mainloop_free(m_ml);
- return;
- }
-
- if (pa_threaded_mainloop_start(m_ml) != 0) {
- qCritical("PaClient: failed to start mainloop");
- pa_context_unref(m_ctx);
- unlock();
- pa_threaded_mainloop_free(m_ml);
- return;
- }
-
- unlock();
-
- m_init = true;
-}
Code Review / apps / homescreen.git / blobdiff