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/*****************************************************************************
* spdif.c: S/PDIF pass-though decoder
*****************************************************************************
* Copyright (C) 2016 VLC authors and VideoLAN
*
* 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 Lesser General Public License for more details.
*
* 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.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_aout.h>
#include <vlc_codec.h>
#include <vlc_modules.h>
static int OpenDecoder(vlc_object_t *);
vlc_module_begin()
set_category(CAT_INPUT)
set_subcategory(SUBCAT_INPUT_ACODEC)
set_description(N_("S/PDIF pass-through decoder"))
set_capability("audio decoder", 120)
set_callbacks(OpenDecoder, NULL)
vlc_module_end()
static int
DecodeBlock(decoder_t *p_dec, block_t *p_block)
{
if (p_block != NULL)
decoder_QueueAudio( p_dec, p_block );
return VLCDEC_SUCCESS;
}
static int
OpenDecoder(vlc_object_t *p_this)
{
decoder_t *p_dec = (decoder_t*)p_this;
switch (p_dec->fmt_in.i_codec)
{
case VLC_CODEC_MPGA:
case VLC_CODEC_MP3:
/* Disabled by default */
if (!p_dec->obj.force)
return VLC_EGENERIC;
break;
case VLC_CODEC_A52:
case VLC_CODEC_EAC3:
case VLC_CODEC_MLP:
case VLC_CODEC_TRUEHD:
case VLC_CODEC_DTS:
case VLC_CODEC_SPDIFL:
case VLC_CODEC_SPDIFB:
/* Enabled by default */
break;
default:
return VLC_EGENERIC;
}
/* Set output properties */
p_dec->fmt_out.i_codec = p_dec->fmt_in.i_codec;
p_dec->fmt_out.audio = p_dec->fmt_in.audio;
p_dec->fmt_out.i_profile = p_dec->fmt_in.i_profile;
p_dec->fmt_out.audio.i_format = p_dec->fmt_out.i_codec;
if (decoder_UpdateAudioFormat(p_dec))
return VLC_EGENERIC;
p_dec->pf_decode = DecodeBlock;
p_dec->pf_flush = NULL;
return VLC_SUCCESS;
}
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