Beispiel #1
0
int pa__init(pa_module *m) {
    struct userdata *u = NULL;
    bool record = true, playback = true;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    uint32_t buffer_length_msec;
    int fd = -1;
    pa_sink_new_data sink_new_data;
    pa_source_new_data source_new_data;
    char const *name;
    char *name_buf;
    bool namereg_fail;

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
        pa_log("failed to parse module arguments.");
        goto fail;
    }

    if (pa_modargs_get_value_boolean(ma, "record", &record) < 0 || pa_modargs_get_value_boolean(ma, "playback", &playback) < 0) {
        pa_log("record= and playback= expect a boolean argument.");
        goto fail;
    }

    if (!playback && !record) {
        pa_log("neither playback nor record enabled for device.");
        goto fail;
    }

    u = pa_xnew0(struct userdata, 1);

    if (!(u->smoother = pa_smoother_new(PA_USEC_PER_SEC, PA_USEC_PER_SEC * 2, true, true, 10, pa_rtclock_now(), true)))
        goto fail;

    /*
     * For a process (or several processes) to use the same audio device for both
     * record and playback at the same time, the device's mixer must be enabled.
     * See mixerctl(1). It may be turned off for playback only or record only.
     */
    u->mode = (playback && record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));

    ss = m->core->default_sample_spec;
    if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
        pa_log("failed to parse sample specification");
        goto fail;
    }
    u->frame_size = pa_frame_size(&ss);

    u->minimum_request = pa_usec_to_bytes(PA_USEC_PER_SEC / MAX_RENDER_HZ, &ss);

    buffer_length_msec = 100;
    if (pa_modargs_get_value_u32(ma, "buffer_length", &buffer_length_msec) < 0) {
        pa_log("failed to parse buffer_length argument");
        goto fail;
    }
    u->buffer_size = pa_usec_to_bytes(1000 * buffer_length_msec, &ss);
    if (u->buffer_size < 2 * u->minimum_request) {
        pa_log("buffer_length argument cannot be smaller than %u",
               (unsigned)(pa_bytes_to_usec(2 * u->minimum_request, &ss) / 1000));
        goto fail;
    }
    if (u->buffer_size > MAX_BUFFER_SIZE) {
        pa_log("buffer_length argument cannot be greater than %u",
               (unsigned)(pa_bytes_to_usec(MAX_BUFFER_SIZE, &ss) / 1000));
        goto fail;
    }

    u->device_name = pa_xstrdup(pa_modargs_get_value(ma, "device", DEFAULT_DEVICE));

    if ((fd = open_audio_device(u, &ss)) < 0)
        goto fail;

    u->core = m->core;
    u->module = m;
    m->userdata = u;

    pa_memchunk_reset(&u->memchunk);

    u->rtpoll = pa_rtpoll_new();
    pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);

    u->rtpoll_item = NULL;
    build_pollfd(u);

    if (u->mode != O_WRONLY) {
        name_buf = NULL;
        namereg_fail = true;

        if (!(name = pa_modargs_get_value(ma, "source_name", NULL))) {
            name = name_buf = pa_sprintf_malloc("solaris_input.%s", pa_path_get_filename(u->device_name));
            namereg_fail = false;
        }

        pa_source_new_data_init(&source_new_data);
        source_new_data.driver = __FILE__;
        source_new_data.module = m;
        pa_source_new_data_set_name(&source_new_data, name);
        source_new_data.namereg_fail = namereg_fail;
        pa_source_new_data_set_sample_spec(&source_new_data, &ss);
        pa_source_new_data_set_channel_map(&source_new_data, &map);
        pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_STRING, u->device_name);
        pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_API, "solaris");
        pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Solaris PCM source");
        pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, "serial");
        pa_proplist_setf(source_new_data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) u->buffer_size);

        if (pa_modargs_get_proplist(ma, "source_properties", source_new_data.proplist, PA_UPDATE_REPLACE) < 0) {
            pa_log("Invalid properties");
            pa_source_new_data_done(&source_new_data);
            goto fail;
        }

        u->source = pa_source_new(m->core, &source_new_data, PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY);
        pa_source_new_data_done(&source_new_data);
        pa_xfree(name_buf);

        if (!u->source) {
            pa_log("Failed to create source object");
            goto fail;
        }

        u->source->userdata = u;
        u->source->parent.process_msg = source_process_msg;

        pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
        pa_source_set_rtpoll(u->source, u->rtpoll);
        pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(u->buffer_size, &u->source->sample_spec));

        pa_source_set_get_volume_callback(u->source, source_get_volume);
        pa_source_set_set_volume_callback(u->source, source_set_volume);
        u->source->refresh_volume = true;
    } else
        u->source = NULL;

    if (u->mode != O_RDONLY) {
        name_buf = NULL;
        namereg_fail = true;
        if (!(name = pa_modargs_get_value(ma, "sink_name", NULL))) {
            name = name_buf = pa_sprintf_malloc("solaris_output.%s", pa_path_get_filename(u->device_name));
            namereg_fail = false;
        }

        pa_sink_new_data_init(&sink_new_data);
        sink_new_data.driver = __FILE__;
        sink_new_data.module = m;
        pa_sink_new_data_set_name(&sink_new_data, name);
        sink_new_data.namereg_fail = namereg_fail;
        pa_sink_new_data_set_sample_spec(&sink_new_data, &ss);
        pa_sink_new_data_set_channel_map(&sink_new_data, &map);
        pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_STRING, u->device_name);
        pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_API, "solaris");
        pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, "Solaris PCM sink");
        pa_proplist_sets(sink_new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, "serial");

        if (pa_modargs_get_proplist(ma, "sink_properties", sink_new_data.proplist, PA_UPDATE_REPLACE) < 0) {
            pa_log("Invalid properties");
            pa_sink_new_data_done(&sink_new_data);
            goto fail;
        }

        u->sink = pa_sink_new(m->core, &sink_new_data, PA_SINK_HARDWARE|PA_SINK_LATENCY);
        pa_sink_new_data_done(&sink_new_data);

        pa_assert(u->sink);
        u->sink->userdata = u;
        u->sink->parent.process_msg = sink_process_msg;

        pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
        pa_sink_set_rtpoll(u->sink, u->rtpoll);
        pa_sink_set_fixed_latency(u->sink, pa_bytes_to_usec(u->buffer_size, &u->sink->sample_spec));
        pa_sink_set_max_request(u->sink, u->buffer_size);
        pa_sink_set_max_rewind(u->sink, u->buffer_size);

        pa_sink_set_get_volume_callback(u->sink, sink_get_volume);
        pa_sink_set_set_volume_callback(u->sink, sink_set_volume);
        pa_sink_set_get_mute_callback(u->sink, sink_get_mute);
        pa_sink_set_set_mute_callback(u->sink, sink_set_mute);
        u->sink->refresh_volume = u->sink->refresh_muted = true;
    } else
        u->sink = NULL;

    pa_assert(u->source || u->sink);

    u->sig = pa_signal_new(SIGPOLL, sig_callback, u);
    if (u->sig)
        ioctl(u->fd, I_SETSIG, S_MSG);
    else
        pa_log_warn("Could not register SIGPOLL handler");

    if (!(u->thread = pa_thread_new("solaris", thread_func, u))) {
        pa_log("Failed to create thread.");
        goto fail;
    }

    /* Read mixer settings */
    if (u->sink) {
        if (sink_new_data.volume_is_set)
            u->sink->set_volume(u->sink);
        else
            u->sink->get_volume(u->sink);

        if (sink_new_data.muted_is_set)
            u->sink->set_mute(u->sink);
        else
            u->sink->get_mute(u->sink);

        pa_sink_put(u->sink);
    }

    if (u->source) {
        if (source_new_data.volume_is_set)
            u->source->set_volume(u->source);
        else
            u->source->get_volume(u->source);

        pa_source_put(u->source);
    }

    pa_modargs_free(ma);

    return 0;

fail:
    if (u)
        pa__done(m);
    else if (fd >= 0)
        close(fd);

    if (ma)
        pa_modargs_free(ma);

    return -1;
}
Beispiel #2
0
int pa__init(pa_module*m) {
    struct userdata *u = NULL;
    pa_sample_spec ss;
    pa_modargs *ma = NULL;
    const char *server;
    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.format = PA_SAMPLE_S16NE;
    ss.channels = 2;
    ss.rate = m->core->default_sample_spec.rate;
    if (pa_modargs_get_sample_spec(ma, &ss) < 0) {
        pa_log("invalid sample format specification");
        goto fail;
    }

    if ((ss.format != PA_SAMPLE_S16NE) ||
            (ss.channels > 2)) {
        pa_log("sample type support is limited to mono/stereo and 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");
    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;
    pa_sink_set_set_volume_callback(u->sink, sink_set_volume_cb);
    pa_sink_set_set_mute_callback(u->sink, sink_set_mute_cb);
    u->sink->flags = PA_SINK_LATENCY|PA_SINK_NETWORK;

    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("raop-sink", 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__init(pa_module*m) {
    struct userdata *u = NULL;
    pa_sample_spec ss;
    pa_modargs *ma = NULL;
    const char *espeaker;
    uint32_t key;
    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("esound 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->memchunk);
    u->offset = 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 = (int32_t) 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 (!(espeaker = getenv("ESPEAKER")))
        espeaker = ESD_UNIX_SOCKET_NAME;

    espeaker = pa_modargs_get_value(ma, "server", espeaker);

    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, espeaker);
    pa_proplist_sets(data.proplist, PA_PROP_DEVICE_API, "esd");
    pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "EsounD Output on %s", espeaker);

    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;

    pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
    pa_sink_set_rtpoll(u->sink, u->rtpoll);

    if (!(u->client = pa_socket_client_new_string(u->core->mainloop, TRUE, espeaker, ESD_DEFAULT_PORT))) {
        pa_log("Failed to connect to server.");
        goto fail;
    }

    pa_socket_client_set_callback(u->client, on_connection, u);

    /* Prepare the initial request */
    u->write_data = pa_xmalloc(u->write_length = ESD_KEY_LEN + sizeof(int32_t));
    if (pa_authkey_load_auto(pa_modargs_get_value(ma, "cookie", ".esd_auth"), u->write_data, ESD_KEY_LEN) < 0) {
        pa_log("Failed to load cookie");
        goto fail;
    }

    key = ESD_ENDIAN_KEY;
    memcpy((uint8_t*) u->write_data + ESD_KEY_LEN, &key, sizeof(key));

    /* Reserve space for the response */
    u->read_data = pa_xmalloc(u->read_length = sizeof(int32_t));

    if (!(u->thread = pa_thread_new("esound-sink", 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;
}