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#ifndef fooremapfoo
#define fooremapfoo
/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
Copyright 2009 Wim Taymans <wim.taymans@collabora.co.uk.com>
PulseAudio 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.
PulseAudio 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.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#include <pulse/sample.h>
typedef struct pa_remap pa_remap_t;
typedef void (*pa_do_remap_func_t) (pa_remap_t *m, void *d, const void *s, unsigned n);
struct pa_remap {
pa_sample_format_t format;
pa_sample_spec i_ss, o_ss;
float map_table_f[PA_CHANNELS_MAX][PA_CHANNELS_MAX];
int32_t map_table_i[PA_CHANNELS_MAX][PA_CHANNELS_MAX];
pa_do_remap_func_t do_remap;
void *state; /* optional state information for the remap function */
};
void pa_init_remap_func(pa_remap_t *m);
/* custom installation of init functions */
typedef void (*pa_init_remap_func_t) (pa_remap_t *m);
pa_init_remap_func_t pa_get_init_remap_func(void);
void pa_set_init_remap_func(pa_init_remap_func_t func);
/* Check if remapping can be performed by just copying some or all input
* channels' data to output channels. Returns true and a table of input
* channel indices, or false otherwise.
*
* The table contains an entry for each output channels. Each table entry given
* either the input channel index to be copied, or -1 indicating that the
* output channel is not used and hence zero.
*/
bool pa_setup_remap_arrange(const pa_remap_t *m, int8_t arrange[PA_CHANNELS_MAX]);
void pa_set_remap_func(pa_remap_t *m, pa_do_remap_func_t func_s16,
pa_do_remap_func_t func_s32, pa_do_remap_func_t func_float);
#endif /* fooremapfoo */
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