C++ (Cpp) pa_context_get_client_info_list示例

示例#1

文件： sinkinputmodel.cpp 项目： Pesa/conductor

bool SinkInputModel::populate(pa_context *c)
{
    pa_operation *op;

    op = pa_context_get_sink_input_info_list(c, SinkInputModel::populateSinkInputCallback, this);
    if (op) {
        inputsTemp = new QList<SinkInput>;
        pa_operation_unref(op);

        op = pa_context_get_client_info_list(c, SinkInputModel::populateClientCallback, this);
        if (op) {
            clientsTemp = new QMap<uint32_t, QString>;
            pa_operation_unref(op);
        }

        return true;
    }

    return false;
}

示例#2

文件： context.cpp 项目： KDE/plasma-pa

void Context::contextStateCallback(pa_context *c)
{
    qCDebug(PLASMAPA) << "state callback";
    pa_context_state_t state = pa_context_get_state(c);
    if (state == PA_CONTEXT_READY) {
        qCDebug(PLASMAPA) << "ready";

        // 1. Register for the stream changes (except during probe)
        if (m_context == c) {
            pa_context_set_subscribe_callback(c, subscribe_cb, this);

            if (!PAOperation(pa_context_subscribe(c, (pa_subscription_mask_t)
                                           (PA_SUBSCRIPTION_MASK_SINK|
                                            PA_SUBSCRIPTION_MASK_SOURCE|
                                            PA_SUBSCRIPTION_MASK_CLIENT|
                                            PA_SUBSCRIPTION_MASK_SINK_INPUT|
                                            PA_SUBSCRIPTION_MASK_SOURCE_OUTPUT|
                                            PA_SUBSCRIPTION_MASK_CARD|
                                            PA_SUBSCRIPTION_MASK_SERVER), nullptr, nullptr))) {
                qCWarning(PLASMAPA) << "pa_context_subscribe() failed";
                return;
            }
        }

        if (!PAOperation(pa_context_get_sink_info_list(c, sink_cb, this))) {
            qCWarning(PLASMAPA) << "pa_context_get_sink_info_list() failed";
            return;
        }

        if (!PAOperation(pa_context_get_source_info_list(c, source_cb, this))) {
            qCWarning(PLASMAPA) << "pa_context_get_source_info_list() failed";
            return;
        }

        if (!PAOperation(pa_context_get_client_info_list(c, client_cb, this))) {
            qCWarning(PLASMAPA) << "pa_context_client_info_list() failed";
            return;
        }

        if (!PAOperation(pa_context_get_card_info_list(c, card_cb, this))) {
            qCWarning(PLASMAPA) << "pa_context_get_card_info_list() failed";
            return;
        }

        if (!PAOperation(pa_context_get_sink_input_info_list(c, sink_input_callback, this))) {
            qCWarning(PLASMAPA) << "pa_context_get_sink_input_info_list() failed";
            return;
        }

        if (!PAOperation(pa_context_get_source_output_info_list(c, source_output_cb, this))) {
            qCWarning(PLASMAPA) << "pa_context_get_source_output_info_list() failed";
            return;
        }

        if (!PAOperation(pa_context_get_server_info(c, server_cb, this))) {
            qCWarning(PLASMAPA) << "pa_context_get_server_info() failed";
            return;
        }

        if (PAOperation(pa_ext_stream_restore_read(c, ext_stream_restore_read_cb, this))) {
            pa_ext_stream_restore_set_subscribe_cb(c, ext_stream_restore_subscribe_cb, this);
            PAOperation(pa_ext_stream_restore_subscribe(c, 1, nullptr, this));
        } else {
            qCWarning(PLASMAPA) << "Failed to initialize stream_restore extension";
        }
    } else if (!PA_CONTEXT_IS_GOOD(state)) {
        qCWarning(PLASMAPA) << "context kaput";
        if (m_context) {
            pa_context_unref(m_context);
            m_context = nullptr;
        }
        reset();
        QTimer::singleShot(1000, this, &Context::connectToDaemon);
    }
}