pipewire/spa/plugins/audioconvert/plugin.c
Wim Taymans e869d5bcb0 splitter: add channel splitter
Splits a buffer with multiple non-interleaved channels to multiple
buffers, each with 1 channel.
2018-04-13 20:00:30 +02:00

57 lines
1.7 KiB
C

/* Spa Audioconvert plugin
* Copyright (C) 2018 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <errno.h>
#include <spa/support/plugin.h>
extern const struct spa_handle_factory spa_audioconvert_factory;
extern const struct spa_handle_factory spa_fmtconvert_factory;
extern const struct spa_handle_factory spa_channelmix_factory;
extern const struct spa_handle_factory spa_resample_factory;
extern const struct spa_handle_factory spa_splitter_factory;
int
spa_handle_factory_enum(const struct spa_handle_factory **factory, uint32_t *index)
{
spa_return_val_if_fail(factory != NULL, -EINVAL);
spa_return_val_if_fail(index != NULL, -EINVAL);
switch (*index) {
case 0:
*factory = &spa_audioconvert_factory;
break;
case 1:
*factory = &spa_fmtconvert_factory;
break;
case 2:
*factory = &spa_channelmix_factory;
break;
case 3:
*factory = &spa_resample_factory;
break;
case 4:
*factory = &spa_splitter_factory;
break;
default:
return 0;
}
(*index)++;
return 1;
}