int pa__init(pa_module*m) {
    pa_modargs *ma = NULL;
    int ret = -1;
    int32_t fd = -1;
    char x = 1;

    pa_assert(m);

    if (!(ma = pa_modargs_new(m->argument, valid_modargs)) ||
            pa_modargs_get_value_s32(ma, "fd", &fd) < 0 ||
            fd < 0) {

        pa_log("Failed to parse module arguments");
        goto finish;
    }

    if (pa_loop_write(fd, &x, sizeof(x), NULL) != sizeof(x))
        pa_log_warn("write(%u, 1, 1) failed: %s", fd, pa_cstrerror(errno));

    pa_assert_se(pa_close(fd) == 0);

    pa_module_unload_request(m, true);

    ret = 0;

finish:
    if (ma)
        pa_modargs_free(ma);

    return ret;
}
int pa__init(pa_module*m) {
    pa_iochannel *io;
    pa_modargs *ma;
    int32_t fd = -1;
    int r = -1;
    pa_native_options *options = NULL;

    pa_assert(m);

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

    if (pa_modargs_get_value_s32(ma, "fd", &fd) < 0 || fd < 0) {
        pa_log("Invalid file descriptor.");
        goto finish;
    }

    m->userdata = pa_native_protocol_get(m->core);

    io = pa_iochannel_new(m->core->mainloop, fd, fd);

    options = pa_native_options_new();
    options->module = m;
    options->auth_anonymous = true;

    pa_native_protocol_connect(m->userdata, io, options);

    r = 0;

finish:
    if (ma)
        pa_modargs_free(ma);

    if (options)
        pa_native_options_unref(options);

    return r;
}
Exemplo n.º 3
0
static pa_bool_t pa_speex_ec_preprocessor_init(pa_echo_canceller *ec, pa_sample_spec *source_ss, uint32_t nframes, pa_modargs *ma) {
    pa_bool_t agc;
    pa_bool_t denoise;
    pa_bool_t echo_suppress;
    int32_t echo_suppress_attenuation;
    int32_t echo_suppress_attenuation_active;

    agc = DEFAULT_AGC_ENABLED;
    if (pa_modargs_get_value_boolean(ma, "agc", &agc) < 0) {
        pa_log("Failed to parse agc value");
        goto fail;
    }

    denoise = DEFAULT_DENOISE_ENABLED;
    if (pa_modargs_get_value_boolean(ma, "denoise", &denoise) < 0) {
        pa_log("Failed to parse denoise value");
        goto fail;
    }

    echo_suppress = DEFAULT_ECHO_SUPPRESS_ENABLED;
    if (pa_modargs_get_value_boolean(ma, "echo_suppress", &echo_suppress) < 0) {
        pa_log("Failed to parse echo_suppress value");
        goto fail;
    }

    echo_suppress_attenuation = DEFAULT_ECHO_SUPPRESS_ATTENUATION;
    if (pa_modargs_get_value_s32(ma, "echo_suppress_attenuation", &echo_suppress_attenuation) < 0) {
        pa_log("Failed to parse echo_suppress_attenuation value");
        goto fail;
    }
    if (echo_suppress_attenuation > 0) {
        pa_log("echo_suppress_attenuation should be a negative dB value");
        goto fail;
    }

    echo_suppress_attenuation_active = DEFAULT_ECHO_SUPPRESS_ATTENUATION;
    if (pa_modargs_get_value_s32(ma, "echo_suppress_attenuation_active", &echo_suppress_attenuation_active) < 0) {
        pa_log("Failed to parse echo_suppress_attenuation_active value");
        goto fail;
    }
    if (echo_suppress_attenuation_active > 0) {
        pa_log("echo_suppress_attenuation_active should be a negative dB value");
        goto fail;
    }

    if (agc || denoise || echo_suppress) {
        spx_int32_t tmp;

        if (source_ss->channels != 1) {
            pa_log("AGC, denoising and echo suppression only work with channels=1");
            goto fail;
        }

        ec->params.priv.speex.pp_state = speex_preprocess_state_init(nframes, source_ss->rate);

        tmp = agc;
        speex_preprocess_ctl(ec->params.priv.speex.pp_state, SPEEX_PREPROCESS_SET_AGC, &tmp);

        tmp = denoise;
        speex_preprocess_ctl(ec->params.priv.speex.pp_state, SPEEX_PREPROCESS_SET_DENOISE, &tmp);

        if (echo_suppress) {
            if (echo_suppress_attenuation)
                speex_preprocess_ctl(ec->params.priv.speex.pp_state, SPEEX_PREPROCESS_SET_ECHO_SUPPRESS,
                                     &echo_suppress_attenuation);

            if (echo_suppress_attenuation_active) {
                speex_preprocess_ctl(ec->params.priv.speex.pp_state, SPEEX_PREPROCESS_SET_ECHO_SUPPRESS_ACTIVE,
                                     &echo_suppress_attenuation_active);
            }

            speex_preprocess_ctl(ec->params.priv.speex.pp_state, SPEEX_PREPROCESS_SET_ECHO_STATE,
                                 ec->params.priv.speex.state);
        }

        pa_log_info("Loaded speex preprocessor with params: agc=%s, denoise=%s, echo_suppress=%s", pa_yes_no(agc),
                    pa_yes_no(denoise), pa_yes_no(echo_suppress));
    } else
        pa_log_info("All preprocessing options are disabled");

    return TRUE;

fail:
    return FALSE;
}
Exemplo n.º 4
0
int pa__init(pa_module*m) {

    struct audio_buf_info info;
    struct userdata *u = NULL;
    const char *dev;
    int fd = -1;
    int nfrags, orig_frag_size, frag_size;
    int mode, caps;
    pa_bool_t record = TRUE, playback = TRUE, use_mmap = TRUE;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    char hwdesc[64];
    const char *name;
    pa_bool_t namereg_fail;
    pa_sink_new_data sink_new_data;
    pa_source_new_data source_new_data;

    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 boolean argument.");
        goto fail;
    }

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

    mode = (playback && record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));

    ss = m->core->default_sample_spec;
    map = m->core->default_channel_map;
    if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_OSS) < 0) {
        pa_log("Failed to parse sample specification or channel map");
        goto fail;
    }

    nfrags = (int) m->core->default_n_fragments;
    frag_size = (int) pa_usec_to_bytes(m->core->default_fragment_size_msec*1000, &ss);
    if (frag_size <= 0)
        frag_size = (int) pa_frame_size(&ss);

    if (pa_modargs_get_value_s32(ma, "fragments", &nfrags) < 0 || pa_modargs_get_value_s32(ma, "fragment_size", &frag_size) < 0) {
        pa_log("Failed to parse fragments arguments");
        goto fail;
    }

    if (pa_modargs_get_value_boolean(ma, "mmap", &use_mmap) < 0) {
        pa_log("Failed to parse mmap argument.");
        goto fail;
    }

    if ((fd = pa_oss_open(dev = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), &mode, &caps)) < 0)
        goto fail;

    if (use_mmap && (!(caps & DSP_CAP_MMAP) || !(caps & DSP_CAP_TRIGGER))) {
        pa_log_info("OSS device not mmap capable, falling back to UNIX read/write mode.");
        use_mmap = FALSE;
    }

    if (use_mmap && mode == O_WRONLY) {
        pa_log_info("Device opened for playback only, cannot do memory mapping, falling back to UNIX write() mode.");
        use_mmap = FALSE;
    }

    if (pa_oss_get_hw_description(dev, hwdesc, sizeof(hwdesc)) >= 0)
        pa_log_info("Hardware name is '%s'.", hwdesc);
    else
        hwdesc[0] = 0;

    pa_log_info("Device opened in %s mode.", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));

    orig_frag_size = frag_size;
    if (nfrags >= 2 && frag_size >= 1)
        if (pa_oss_set_fragments(fd, nfrags, frag_size) < 0)
            goto fail;

    if (pa_oss_auto_format(fd, &ss) < 0)
        goto fail;

    if (ioctl(fd, SNDCTL_DSP_GETBLKSIZE, &frag_size) < 0) {
        pa_log("SNDCTL_DSP_GETBLKSIZE: %s", pa_cstrerror(errno));
        goto fail;
    }
    pa_assert(frag_size > 0);

    u = pa_xnew0(struct userdata, 1);
    u->core = m->core;
    u->module = m;
    m->userdata = u;
    u->fd = fd;
    u->mixer_fd = -1;
    u->mixer_devmask = 0;
    u->use_getospace = u->use_getispace = TRUE;
    u->use_getodelay = TRUE;
    u->mode = mode;
    u->frame_size = pa_frame_size(&ss);
    u->device_name = pa_xstrdup(dev);
    u->in_nfrags = u->out_nfrags = (uint32_t) (u->nfrags = nfrags);
    u->out_fragment_size = u->in_fragment_size = (uint32_t) (u->frag_size = frag_size);
    u->orig_frag_size = orig_frag_size;
    u->use_mmap = use_mmap;
    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 (ioctl(fd, SNDCTL_DSP_GETISPACE, &info) >= 0) {
        pa_log_info("Input -- %u fragments of size %u.", info.fragstotal, info.fragsize);
        u->in_fragment_size = (uint32_t) info.fragsize;
        u->in_nfrags = (uint32_t) info.fragstotal;
        u->use_getispace = TRUE;
    }

    if (ioctl(fd, SNDCTL_DSP_GETOSPACE, &info) >= 0) {
        pa_log_info("Output -- %u fragments of size %u.", info.fragstotal, info.fragsize);
        u->out_fragment_size = (uint32_t) info.fragsize;
        u->out_nfrags = (uint32_t) info.fragstotal;
        u->use_getospace = TRUE;
    }

    u->in_hwbuf_size = u->in_nfrags * u->in_fragment_size;
    u->out_hwbuf_size = u->out_nfrags * u->out_fragment_size;

    if (mode != O_WRONLY) {
        char *name_buf = NULL;

        if (use_mmap) {
            if ((u->in_mmap = mmap(NULL, u->in_hwbuf_size, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) {
                pa_log_warn("mmap(PROT_READ) failed, reverting to non-mmap mode: %s", pa_cstrerror(errno));
                use_mmap = u->use_mmap = FALSE;
                u->in_mmap = NULL;
            } else
                pa_log_debug("Successfully mmap()ed input buffer.");
        }

        if ((name = pa_modargs_get_value(ma, "source_name", NULL)))
            namereg_fail = TRUE;
        else {
            name = name_buf = pa_sprintf_malloc("oss_input.%s", pa_path_get_filename(dev));
            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, dev);
        pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_API, "oss");
        pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_DESCRIPTION, hwdesc[0] ? hwdesc : dev);
        pa_proplist_sets(source_new_data.proplist, PA_PROP_DEVICE_ACCESS_MODE, use_mmap ? "mmap" : "serial");
        pa_proplist_setf(source_new_data.proplist, PA_PROP_DEVICE_BUFFERING_BUFFER_SIZE, "%lu", (unsigned long) (u->in_hwbuf_size));
        pa_proplist_setf(source_new_data.proplist, PA_PROP_DEVICE_BUFFERING_FRAGMENT_SIZE, "%lu", (unsigned long) (u->in_fragment_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->parent.process_msg = source_process_msg;
        u->source->userdata = u;

        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->in_hwbuf_size, &u->source->sample_spec));
        u->source->refresh_volume = TRUE;

        if (use_mmap)
            u->in_mmap_memblocks = pa_xnew0(pa_memblock*, u->in_nfrags);
    }
Exemplo n.º 5
0
int pa__init(pa_module *m) {
    struct userdata *u = NULL;
    const char *p;
    int fd = -1;
    int buffer_size;
    int mode;
    int record = 1, playback = 1;
    pa_sample_spec ss;
    pa_channel_map map;
    pa_modargs *ma = NULL;
    char *t;
    struct pollfd *pollfd;

    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 numeric argument.");
        goto fail;
    }

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

    mode = (playback&&record) ? O_RDWR : (playback ? O_WRONLY : (record ? O_RDONLY : 0));

    buffer_size = 16384;
    if (pa_modargs_get_value_s32(ma, "buffer_size", &buffer_size) < 0) {
        pa_log("failed to parse buffer size argument");
        goto fail;
    }

    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;
    }

    if ((fd = open(p = pa_modargs_get_value(ma, "device", DEFAULT_DEVICE), mode | O_NONBLOCK)) < 0)
        goto fail;

    pa_log_info("device opened in %s mode.", mode == O_WRONLY ? "O_WRONLY" : (mode == O_RDONLY ? "O_RDONLY" : "O_RDWR"));

    if (pa_solaris_auto_format(fd, mode, &ss) < 0)
        goto fail;

    if (pa_solaris_set_buffer(fd, buffer_size) < 0)
        goto fail;

    u = pa_xmalloc(sizeof(struct userdata));
    u->core = m->core;

    u->fd = fd;

    pa_memchunk_reset(&u->memchunk);

    /* We use this to get a reasonable chunk size */
    u->page_size = PA_PAGE_SIZE;

    u->frame_size = pa_frame_size(&ss);
    u->buffer_size = buffer_size;

    u->written_bytes = 0;
    u->read_bytes = 0;

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

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

    u->rtpoll = pa_rtpoll_new();
    pa_rtpoll_item_new_asyncmsgq(u->rtpoll, PA_RTPOLL_EARLY, u->thread_mq.inq);

    pa_rtpoll_set_timer_periodic(u->rtpoll, pa_bytes_to_usec(u->buffer_size / 10, &ss));

    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 = fd;
    pollfd->events = 0;
    pollfd->revents = 0;

    if (mode != O_WRONLY) {
        u->source = pa_source_new(m->core, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, &map);
        pa_assert(u->source);

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

        pa_source_set_module(u->source, m);
        pa_source_set_description(u->source, t = pa_sprintf_malloc("Solaris PCM on '%s'", p));
        pa_xfree(t);
        pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
        pa_source_set_rtpoll(u->source, u->rtpoll);

        u->source->flags = PA_SOURCE_HARDWARE|PA_SOURCE_LATENCY|PA_SOURCE_HW_VOLUME_CTRL;
        u->source->refresh_volume = 1;
    } else
        u->source = NULL;

    if (mode != O_RDONLY) {
        u->sink = pa_sink_new(m->core, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map);
        pa_assert(u->sink);

        u->sink->userdata = u;
        u->sink->parent.process_msg = sink_process_msg;

        pa_sink_set_module(u->sink, m);
        pa_sink_set_description(u->sink, t = pa_sprintf_malloc("Solaris PCM on '%s'", p));
        pa_xfree(t);
        pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
        pa_sink_set_rtpoll(u->sink, u->rtpoll);

        u->sink->flags = PA_SINK_HARDWARE|PA_SINK_LATENCY|PA_SINK_HW_VOLUME_CTRL;
        u->sink->refresh_volume = 1;
        u->sink->refresh_mute = 1;
    } else
        u->sink = NULL;

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

    u->sig = pa_signal_new(SIGPOLL, sig_callback, u);
    pa_assert(u->sig);
    ioctl(u->fd, I_SETSIG, S_MSG);

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

    /* Read mixer settings */
    if (u->source)
        pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->source), PA_SOURCE_MESSAGE_GET_VOLUME, &u->source->volume, 0, NULL);
    if (u->sink) {
        pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->sink), PA_SINK_MESSAGE_GET_VOLUME, &u->sink->volume, 0, NULL);
        pa_asyncmsgq_send(u->thread_mq.inq, PA_MSGOBJECT(u->sink), PA_SINK_MESSAGE_GET_MUTE, &u->sink->muted, 0, NULL);
    }

    if (u->sink)
        pa_sink_put(u->sink);
    if (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;
}