Ejemplos de _al_kcm_mixer_rejig_sample_matrix en C++ (Cpp)

Ejemplo n.º 1

Archivo: kcm_instance.c Proyecto: georgp24/microwindows-android-bin

/* Function: al_set_sample_instance_gain
 */
bool al_set_sample_instance_gain(ALLEGRO_SAMPLE_INSTANCE *spl, float val)
{
   ASSERT(spl);

   if (spl->parent.u.ptr && spl->parent.is_voice) {
      _al_set_error(ALLEGRO_GENERIC_ERROR,
         "Could not set gain of sample attached to voice");
      return false;
   }

   if (spl->gain != val) {
      spl->gain = val;

      /* If attached to a mixer already, need to recompute the sample
       * matrix to take into account the gain.
       */
      if (spl->parent.u.mixer) {
         ALLEGRO_MIXER *mixer = spl->parent.u.mixer;

         maybe_lock_mutex(spl->mutex);
         _al_kcm_mixer_rejig_sample_matrix(mixer, spl);
         maybe_unlock_mutex(spl->mutex);
      }
   }

   return true;
}

Ejemplo n.º 2

Archivo: kcm_instance.c Proyecto: georgp24/microwindows-android-bin

/* Function: al_set_sample_instance_pan
 */
bool al_set_sample_instance_pan(ALLEGRO_SAMPLE_INSTANCE *spl, float val)
{
   ASSERT(spl);

   if (spl->parent.u.ptr && spl->parent.is_voice) {
      _al_set_error(ALLEGRO_GENERIC_ERROR,
         "Could not set panning of sample attached to voice");
      return false;
   }
   if (val != ALLEGRO_AUDIO_PAN_NONE && (val < -1.0 || val > 1.0)) {
      _al_set_error(ALLEGRO_GENERIC_ERROR, "Invalid pan value");
      return false;
   }

   if (spl->pan != val) {
      spl->pan = val;

      /* If attached to a mixer already, need to recompute the sample
       * matrix to take into account the panning.
       */
      if (spl->parent.u.mixer) {
         ALLEGRO_MIXER *mixer = spl->parent.u.mixer;

         maybe_lock_mutex(spl->mutex);
         _al_kcm_mixer_rejig_sample_matrix(mixer, spl);
         maybe_unlock_mutex(spl->mutex);
      }
   }

   return true;
}

Ejemplo n.º 3

Archivo: kcm_stream.c Proyecto: ReganChetty/allegro5

/* Function: al_set_audio_stream_pan
 */
bool al_set_audio_stream_pan(ALLEGRO_AUDIO_STREAM *stream, float val)
{
   ASSERT(stream);

   if (stream->spl.parent.u.ptr && stream->spl.parent.is_voice) {
      _al_set_error(ALLEGRO_GENERIC_ERROR,
         "Could not set gain of stream attached to voice");
      return false;
   }
   if (val != ALLEGRO_AUDIO_PAN_NONE && (val < -1.0 || val > 1.0)) {
      _al_set_error(ALLEGRO_GENERIC_ERROR, "Invalid pan value");
      return false;
   }

   if (stream->spl.pan != val) {
      stream->spl.pan = val;

      /* If attached to a mixer already, need to recompute the sample
       * matrix to take into account the panning.
       */
      if (stream->spl.parent.u.mixer) {
         ALLEGRO_MIXER *mixer = stream->spl.parent.u.mixer;
         ALLEGRO_MUTEX *stream_mutex = maybe_lock_mutex(stream->spl.mutex);
         _al_kcm_mixer_rejig_sample_matrix(mixer, &stream->spl);
         maybe_unlock_mutex(stream_mutex);
      }
   }

   return true;
}