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/* Processing Queue Management */
/*
* This file is part of gapk (GSM Audio Pocket Knife).
*
* gapk is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* gapk 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 General Public License
* along with gapk. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GAPK_PROCQUEUE_H__
#define __GAPK_PROCQUEUE_H__
#include <stdint.h>
#include <stdio.h> /* for FILE */
struct pq;
struct pq_item {
int len_in;
int len_out;
void *state;
int (*proc)(void *state, uint8_t *out, const uint8_t *in);
void (*exit)(void *state);
};
/* Management */
struct pq * pq_create(void);
void pq_destroy(struct pq *pq);
struct pq_item * pq_add_item(struct pq *pq);
int pq_prepare(struct pq *pq);
int pq_execute(struct pq *pq);
/* File */
int pq_queue_file_input(struct pq *pq, FILE *src, unsigned int block_len);
int pq_queue_file_output(struct pq *pq, FILE *dst, unsigned int block_len);
/* Format */
struct format_desc;
int pq_queue_fmt_convert(struct pq *pq, const struct format_desc *fmt, int to_from_n);
/* Codec */
struct codec_desc;
int pq_queue_codec(struct pq *pq, const struct codec_desc *codec, int encode);
#endif /* __GAPK_PROCQUEUE_H__ */
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