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/* the Music Player Daemon (MPD)
* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
* Copyright (C) 2008 Max Kellermann <max@duempel.org>
* This project's homepage is: http://www.musicpd.org
*
* This program 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 2 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef MPD_PCM_RESAMPLE_H
#define MPD_PCM_RESAMPLE_H
#include "pcm_buffer.h"
#include "config.h"
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#ifdef HAVE_LIBSAMPLERATE
#include <samplerate.h>
#endif
struct pcm_resample_state {
#ifdef HAVE_LIBSAMPLERATE
SRC_STATE *state;
SRC_DATA data;
size_t data_in_size;
size_t data_out_size;
struct {
unsigned src_rate;
unsigned dest_rate;
uint8_t channels;
} prev;
bool error;
#endif
struct pcm_buffer buffer;
};
void pcm_resample_init(struct pcm_resample_state *state);
void pcm_resample_deinit(struct pcm_resample_state *state);
const int16_t *
pcm_resample_16(struct pcm_resample_state *state,
uint8_t channels,
unsigned src_rate,
const int16_t *src_buffer, size_t src_size,
unsigned dest_rate,
size_t *dest_size_r);
const int32_t *
pcm_resample_24(struct pcm_resample_state *state,
uint8_t channels,
unsigned src_rate,
const int32_t *src_buffer, size_t src_size,
unsigned dest_rate,
size_t *dest_size_r);
#endif
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