コード例 #1
0
void
xvd_update_volume (XvdInstance        *i,
                   XvdVolStepDirection d)
{
  pa_operation *op = NULL;

  if (!i || !i->pulse_context)
    {
      g_warning ("xvd_update_volume: pulseaudio context is null");
      return;
    }

  if (pa_context_get_state (i->pulse_context) != PA_CONTEXT_READY)
    {
      g_warning ("xvd_update_volume: pulseaudio context isn't ready");
      return;
    }

  if (i->sink_index == PA_INVALID_INDEX)
    {
      g_warning ("xvd_update_volume: undefined sink");
      return;
    }

  /* backup */
  old_volume = i->volume;

  switch (d)
    {
      case XVD_UP:
        pa_cvolume_inc_clamp (&i->volume,
                              XVD_PA_VOLUME_STEP(i->vol_step),
                              PA_VOLUME_NORM);
      break;
      case XVD_DOWN:
        pa_cvolume_dec (&i->volume,
                        XVD_PA_VOLUME_STEP(i->vol_step));
      break;
      default:
        g_warning ("xvd_update_volume: invalid direction");
        return;
      break;
    }

  op = pa_context_set_sink_volume_by_index (i->pulse_context,
                                            i->sink_index,
                                            &i->volume,
                                            xvd_notify_volume_callback,
                                            i);

  if (!op)
    {
      g_warning ("xvd_update_volume: failed");
      return;
    }
  pa_operation_unref (op);
}
コード例 #2
0
void pulseaudio_volume(menu_info_item_t* mii, int inc)
{
    g_debug("pulseaudio_volume(%s, %i)", mii->name, inc);

    /* increment/decrement in 2% steps */
    pa_cvolume* volume;
    if(inc < 0)
        volume = pa_cvolume_dec(mii->volume, -inc * PA_VOLUME_NORM / 50);
    else if(inc > 0)
    {
        int volume_max = mii->menu_info->menu_infos->settings.volume_max;
        if(volume_max > 0)
            volume = pa_cvolume_inc_clamp(mii->volume, inc * PA_VOLUME_NORM / 50,
                    PA_VOLUME_NORM * volume_max / 100);
        else
            volume = pa_cvolume_inc(mii->volume, inc * PA_VOLUME_NORM / 50);
    }
    else
        return;

    pa_operation* o = NULL;

    switch(mii->menu_info->type)
    {
        case MENU_SERVER:
        case MENU_MODULE:
            /* nothing to do here */
            break;
        case MENU_SINK:
            o = pa_context_set_sink_volume_by_index(context, mii->index,
                    volume, pulseaudio_set_volume_success_cb, mii);
            break;
        case MENU_SOURCE:
            o = pa_context_set_source_volume_by_index(context, mii->index,
                    volume, pulseaudio_set_volume_success_cb, mii);
            break;
        case MENU_INPUT:
            o = pa_context_set_sink_input_volume(context, mii->index,
                    volume, pulseaudio_set_volume_success_cb, mii);
            break;
        case MENU_OUTPUT:
            o = pa_context_set_source_output_volume(context, mii->index,
                    volume, pulseaudio_set_volume_success_cb, mii);
            break;
    }
    if(o)
        pa_operation_unref(o);
}
コード例 #3
0
ファイル: module-lirc.c プロジェクト: BYSTROSTREL/pulseaudio
static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event_flags_t events, void*userdata) {
    struct userdata *u = userdata;
    char *name = NULL, *code = NULL;

    pa_assert(io);
    pa_assert(u);

    if (events & (PA_IO_EVENT_HANGUP|PA_IO_EVENT_ERROR)) {
        pa_log("Lost connection to LIRC daemon.");
        goto fail;
    }

    if (events & PA_IO_EVENT_INPUT) {
        char *c;

        if (lirc_nextcode(&code) != 0 || !code) {
            pa_log("lirc_nextcode() failed.");
            goto fail;
        }

        c = pa_xstrdup(code);
        c[strcspn(c, "\n\r")] = 0;
        pa_log_debug("Raw IR code '%s'", c);
        pa_xfree(c);

        while (lirc_code2char(u->config, code, &name) == 0 && name) {
            enum {
                INVALID,
                UP,
                DOWN,
                MUTE,
                RESET,
                MUTE_TOGGLE
            } volchange = INVALID;

            pa_log_info("Translated IR code '%s'", name);

            if (strcasecmp(name, "volume-up") == 0)
                volchange = UP;
            else if (strcasecmp(name, "volume-down") == 0)
                volchange = DOWN;
            else if (strcasecmp(name, "mute") == 0)
                volchange = MUTE;
            else if (strcasecmp(name, "mute-toggle") == 0)
                volchange = MUTE_TOGGLE;
            else if (strcasecmp(name, "reset") == 0)
                volchange = RESET;

            if (volchange == INVALID)
                pa_log_warn("Received unknown IR code '%s'", name);
            else {
                pa_sink *s;

                if (!(s = pa_namereg_get(u->module->core, u->sink_name, PA_NAMEREG_SINK)))
                    pa_log("Failed to get sink '%s'", u->sink_name);
                else {
                    pa_cvolume cv = *pa_sink_get_volume(s, FALSE);

                    switch (volchange) {
                        case UP:
                            pa_cvolume_inc_clamp(&cv, u->volume_step, u->volume_limit);
                            pa_sink_set_volume(s, &cv, TRUE, TRUE);
                            break;

                        case DOWN:
                            pa_cvolume_dec(&cv, u->volume_step);
                            pa_sink_set_volume(s, &cv, TRUE, TRUE);
                            break;

                        case MUTE:
                            pa_sink_set_mute(s, TRUE, TRUE);
                            break;

                        case RESET:
                            pa_sink_set_mute(s, FALSE, TRUE);
                            break;

                        case MUTE_TOGGLE:
                            pa_sink_set_mute(s, !pa_sink_get_mute(s, FALSE), TRUE);
                            break;

                        case INVALID:
                            pa_assert_not_reached();
                    }
                }
            }
        }
    }

    pa_xfree(code);

    return;

fail:
    u->module->core->mainloop->io_free(u->io);
    u->io = NULL;

    pa_module_unload_request(u->module, TRUE);

    pa_xfree(code);
}
コード例 #4
0
static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event_flags_t events, void*userdata) {
    struct userdata *u = userdata;

    pa_assert(io);
    pa_assert(u);

    if (events & (PA_IO_EVENT_HANGUP|PA_IO_EVENT_ERROR)) {
        pa_log("Lost connection to evdev device.");
        goto fail;
    }

    if (events & PA_IO_EVENT_INPUT) {
        struct input_event ev;

        if (pa_loop_read(u->fd, &ev, sizeof(ev), &u->fd_type) <= 0) {
            pa_log("Failed to read from event device: %s", pa_cstrerror(errno));
            goto fail;
        }

        if (ev.type == EV_KEY && (ev.value == 1 || ev.value == 2)) {
            enum {
                INVALID,
                UP,
                DOWN,
                MUTE_TOGGLE
            } volchange = INVALID;

            pa_log_debug("Key code=%u, value=%u", ev.code, ev.value);

            switch (ev.code) {
                case KEY_VOLUMEDOWN:
                    volchange = DOWN;
                    break;

                case KEY_VOLUMEUP:
                    volchange = UP;
                    break;

                case KEY_MUTE:
                    volchange = MUTE_TOGGLE;
                    break;
            }

            if (volchange != INVALID) {
                pa_sink *s;

                if (!(s = pa_namereg_get(u->module->core, u->sink_name, PA_NAMEREG_SINK)))
                    pa_log("Failed to get sink '%s'", u->sink_name);
                else {
                    pa_cvolume cv = *pa_sink_get_volume(s, false);

                    switch (volchange) {
                        case UP:
                            pa_cvolume_inc_clamp(&cv, u->volume_step, u->volume_limit);
                            pa_sink_set_volume(s, &cv, true, true);
                            break;

                        case DOWN:
                            pa_cvolume_dec(&cv, u->volume_step);
                            pa_sink_set_volume(s, &cv, true, true);
                            break;

                        case MUTE_TOGGLE:
                            pa_sink_set_mute(s, !pa_sink_get_mute(s, false), true);
                            break;

                        case INVALID:
                            pa_assert_not_reached();
                    }
                }
            }
        }
    }

    return;

fail:
    u->module->core->mainloop->io_free(u->io);
    u->io = NULL;

    pa_module_unload_request(u->module, true);
}