Esempi in C++ (Cpp) per snd_mixer_selem_get_capture_group

Esempio n. 1

static void
gst_alsa_mixer_track_update_alsa_capabilities (GstAlsaMixerTrack * alsa_track)
{
  alsa_track->alsa_flags = 0;
  alsa_track->capture_group = -1;

  if (snd_mixer_selem_has_common_volume (alsa_track->element))
    alsa_track->alsa_flags |= GST_ALSA_MIXER_TRACK_VOLUME;

  if (snd_mixer_selem_has_playback_volume (alsa_track->element))
    alsa_track->alsa_flags |= GST_ALSA_MIXER_TRACK_PVOLUME;

  if (snd_mixer_selem_has_capture_volume (alsa_track->element))
    alsa_track->alsa_flags |= GST_ALSA_MIXER_TRACK_CVOLUME;

  if (snd_mixer_selem_has_common_switch (alsa_track->element))
    alsa_track->alsa_flags |= GST_ALSA_MIXER_TRACK_SWITCH;

  if (snd_mixer_selem_has_playback_switch (alsa_track->element))
    alsa_track->alsa_flags |= GST_ALSA_MIXER_TRACK_PSWITCH;

  if (snd_mixer_selem_has_capture_switch (alsa_track->element)) {
    alsa_track->alsa_flags |= GST_ALSA_MIXER_TRACK_CSWITCH;

    if (snd_mixer_selem_has_capture_switch_exclusive (alsa_track->element)) {
      alsa_track->alsa_flags |= GST_ALSA_MIXER_TRACK_CSWITCH_EXCL;
      alsa_track->capture_group =
          snd_mixer_selem_get_capture_group (alsa_track->element);
    }
  }

  GST_LOG ("[%s] alsa_flags=0x%08x, capture_group=%d",
      snd_mixer_selem_get_name (alsa_track->element),
      alsa_track->alsa_flags, alsa_track->capture_group);
}

Esempio n. 2

/*
 * Class:     org_tritonus_lowlevel_alsa_AlsaMixerElement
 * Method:    getCaptureGroup
 * Signature: ()I
 */
JNIEXPORT jint JNICALL
Java_org_tritonus_lowlevel_alsa_AlsaMixerElement_getCaptureGroup
(JNIEnv* env, jobject obj)
{
    snd_mixer_elem_t*	handle;
    int			nReturn;

    if (debug_flag) {
        (void) fprintf(debug_file, "Java_org_tritonus_lowlevel_alsa_AlsaMixerElement_getCaptureGroup(): begin\n");
    }
    handle = getHandle(env, obj);
    nReturn = snd_mixer_selem_get_capture_group(handle);
    if (debug_flag) {
        (void) fprintf(debug_file, "Java_org_tritonus_lowlevel_alsa_AlsaMixerElement_getCaptureGroup(): end\n");
    }
    return nReturn;
}