/*****************************************************************************
* intf.c : audio output API towards the interface modules
*****************************************************************************
- * Copyright (C) 2002-2007 the VideoLAN team
+ * Copyright (C) 2002-2007 VLC authors and VideoLAN
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
/* FIXME: we need interlocking even if aout does not exist! */
*aoutp = aout;
if (aout != NULL)
+ {
+ obj = VLC_OBJECT(aout); /* use aout volume if aout exists */
aout_lock_volume (aout);
+ }
if (volp != NULL)
- *volp = var_GetInteger (obj, "volume");
+ *volp = var_InheritInteger (obj, "volume");
if (mutep != NULL)
- *mutep = var_GetBool (obj, "mute");
+ *mutep = var_InheritBool (obj, "mute");
}
/** Commit a volume change transaction. */
{
int ret = 0;
+ /* update caller (input manager) volume */
var_SetInteger (obj, "volume", volume);
var_SetBool (obj, "mute", mute);
aout_owner_t *owner = aout_owner (aout);
float vol = volume / (float)AOUT_VOLUME_DEFAULT;
+ /* apply volume to the pipeline */
aout_lock (aout);
if (owner->module != NULL)
ret = aout->pf_volume_set (aout, vol, mute);
aout_unlock (aout);
+
+ /* update aout volume if it maintains its own */
+ var_SetInteger (aout, "volume", volume);
+ var_SetBool (aout, "mute", mute);
aout_unlock_volume (aout);
if (ret == 0)
return ret;
}
-#if 0
/** Cancel a volume change transaction. */
static void cancelVolume (vlc_object_t *obj, audio_output_t *aout)
{
vlc_object_release (aout);
}
}
-#endif
#undef aout_VolumeGet
/**
*/
audio_volume_t aout_VolumeGet (vlc_object_t *obj)
{
-#if 0
audio_output_t *aout;
audio_volume_t volume;
prepareVolume (obj, &aout, &volume, NULL);
cancelVolume (obj, aout);
- return 0;
-#else
- return var_GetInteger (obj, "volume");
-#endif
+ return volume;
}
#undef aout_VolumeSet
*/
bool aout_IsMuted (vlc_object_t *obj)
{
-#if 0
audio_output_t *aout;
bool mute;
prepareVolume (obj, &aout, NULL, &mute);
cancelVolume (obj, aout);
return mute;
-#else
- return var_GetBool (obj, "mute");
-#endif
}
/**
* Pipelines management
*/
-/*****************************************************************************
- * aout_Restart : re-open the output device and rebuild the input and output
- * pipelines
- *****************************************************************************
- * This function is used whenever the parameters of the output plug-in are
- * changed (eg. selecting S/PDIF or PCM).
- *****************************************************************************/
-static int aout_Restart( audio_output_t * p_aout )
-{
- aout_input_t *p_input;
- aout_owner_t *owner = aout_owner (p_aout);
-
- aout_lock( p_aout );
- p_input = owner->input;
- if( p_input == NULL )
- {
- aout_unlock( p_aout );
- msg_Err( p_aout, "no decoder thread" );
- return -1;
- }
-
- /* Reinitializes the output */
- aout_InputDelete( p_aout, p_input );
- aout_MixerDelete (owner->volume.mixer);
- owner->volume.mixer = NULL;
- aout_OutputDelete( p_aout );
-
- /* FIXME: This function is notoriously dangerous/unsafe.
- * By the way, if OutputNew or MixerNew fails, we are totally screwed. */
- if ( aout_OutputNew( p_aout, &p_input->input ) == -1 )
- {
- /* Release all locks and report the error. */
- aout_unlock( p_aout );
- return -1;
- }
-
- owner->volume.mixer = aout_MixerNew (p_aout, owner->mixer_format.i_format);
- if (owner->volume.mixer == NULL)
- {
- aout_OutputDelete( p_aout );
- aout_unlock( p_aout );
- return -1;
- }
-
- if( aout_InputNew( p_aout, p_input, &p_input->request_vout ) )
- {
-#warning FIXME: deal with errors
- aout_unlock( p_aout );
- return -1;
- }
- aout_unlock( p_aout );
- return 0;
-}
-
/*****************************************************************************
* aout_ChannelsRestart : change the audio device or channels and restart
*****************************************************************************/
* rebuilding the channel choices. */
var_Destroy( p_aout, "audio-channels" );
}
- aout_Restart( p_aout );
+ aout_RequestRestart (p_aout);
return 0;
}
{
audio_output_t *p_aout = findAout( p_this );
- if( aout_ChangeFilterString( p_this, p_aout, "audio-filter", psz_name, b_add ) )
+ if( aout_ChangeFilterString( p_this, VLC_OBJECT(p_aout), "audio-filter", psz_name, b_add ) )
{
if( p_aout )
- AoutInputsMarkToRestart( p_aout );
+ aout_InputRequestRestart( p_aout );
}
if( p_aout )