direct3d11: set the texture size after we know we use a staging one
[vlc.git] / src / playlist / aout.c
blob3ceb66d8916ff97e8b754f46b4c3d845d89963ec
1 /*****************************************************************************
2 * aout.c: audio output controls for the VLC playlist
3 *****************************************************************************
4 * Copyright (C) 2002-2012 VLC authors and VideoLAN
6 * Authors: Christophe Massiot <massiot@via.ecp.fr>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
23 #ifdef HAVE_CONFIG_H
24 # include "config.h"
25 #endif
27 #include <math.h>
29 #include <vlc_common.h>
30 #include <vlc_aout.h>
31 #include <vlc_playlist.h>
33 #include "../audio_output/aout_internal.h"
34 #include "playlist_internal.h"
36 audio_output_t *playlist_GetAout(playlist_t *pl)
38 /* NOTE: it is assumed that the input resource exists. In practice,
39 * the playlist must have been activated. This is automatic when calling
40 * pl_Get(). FIXME: input resources are deleted at deactivation, this can
41 * be too early. */
42 playlist_private_t *sys = pl_priv(pl);
43 return input_resource_HoldAout(sys->p_input_resource);
46 float playlist_VolumeGet (playlist_t *pl)
48 float volume = -1.f;
50 audio_output_t *aout = playlist_GetAout (pl);
51 if (aout != NULL)
53 volume = aout_VolumeGet (aout);
54 vlc_object_release (aout);
56 return volume;
59 int playlist_VolumeSet (playlist_t *pl, float vol)
61 int ret = -1;
63 audio_output_t *aout = playlist_GetAout (pl);
64 if (aout != NULL)
66 ret = aout_VolumeSet (aout, vol);
67 vlc_object_release (aout);
69 return ret;
72 /**
73 * Raises the volume.
74 * \param value how much to increase (> 0) or decrease (< 0) the volume
75 * \param volp if non-NULL, will contain contain the resulting volume
77 int playlist_VolumeUp (playlist_t *pl, int value, float *volp)
79 int ret = -1;
81 audio_output_t *aout = playlist_GetAout (pl);
82 if (aout != NULL)
84 ret = aout_VolumeUpdate (aout, value, volp);
85 vlc_object_release (aout);
87 return ret;
90 int playlist_MuteGet (playlist_t *pl)
92 int mute = -1;
94 audio_output_t *aout = playlist_GetAout (pl);
95 if (aout != NULL)
97 mute = aout_MuteGet (aout);
98 vlc_object_release (aout);
100 return mute;
103 int playlist_MuteSet (playlist_t *pl, bool mute)
105 int ret = -1;
107 audio_output_t *aout = playlist_GetAout (pl);
108 if (aout != NULL)
110 ret = aout_MuteSet (aout, mute);
111 vlc_object_release (aout);
113 return ret;
116 void playlist_EnableAudioFilter (playlist_t *pl, const char *name, bool add)
118 audio_output_t *aout = playlist_GetAout (pl);
120 aout_ChangeFilterString (VLC_OBJECT(pl), aout ? VLC_OBJECT(aout) : NULL,
121 "audio-filter", name, add);
122 if (aout != NULL)
123 vlc_object_release (aout);