1 /*****************************************************************************
2 * adummy.c : dummy audio output plugin
3 *****************************************************************************
4 * Copyright (C) 2002 VLC authors and VideoLAN
7 * Authors: Christophe Massiot <massiot@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
28 #include <vlc_common.h>
29 #include <vlc_plugin.h>
33 static int Open( vlc_object_t * p_this );
36 set_shortname( N_("Dummy") )
37 set_description( N_("Dummy audio output") )
38 set_capability( "audio output", 0 )
39 set_callbacks( Open, NULL )
40 add_shortcut( "dummy" )
43 #define A52_FRAME_NB 1536
45 static void Play(audio_output_t *aout, block_t *block)
47 block_Release( block );
51 static void Flush(audio_output_t *aout, bool wait)
53 (void) aout; (void) wait;
56 static int Start(audio_output_t *aout, audio_sample_format_t *restrict fmt)
58 if (AOUT_FMT_SPDIF(fmt) && var_InheritBool(aout, "spdif"))
60 fmt->i_format = VLC_CODEC_SPDIFL;
61 fmt->i_bytes_per_frame = AOUT_SPDIF_SIZE;
62 fmt->i_frame_length = A52_FRAME_NB;
65 fmt->i_format = HAVE_FPU ? VLC_CODEC_FL32 : VLC_CODEC_S16N;
70 static int Open(vlc_object_t *obj)
72 audio_output_t *aout = (audio_output_t *)obj;
75 aout->time_get = NULL;
80 aout->volume_set = NULL;
81 aout->mute_set = NULL;