resample.h

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/*
 * Copyright (C) 2000-2009 the xine project
 *
 * This file is part of xine, a free video player.
 *
 * xine 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.
 *
 * xine 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 *
 * utilitiy functions for audio drivers
 *
 * FIXME: not all of them are implemented yet
 */

#ifndef HAVE_RESAMPLE_H
#define HAVE_RESAMPLE_H

#define RESAMPLE_MAX_CHANNELS 6

void _x_audio_out_resample_stereo(int16_t* last_sample,
                                  int16_t* input_samples, uint32_t in_samples,
                                  int16_t* output_samples, uint32_t out_samples) XINE_PROTECTED;

void _x_audio_out_resample_mono(int16_t* last_sample,
                                int16_t* input_samples, uint32_t in_samples,
                                int16_t* output_samples, uint32_t out_samples) XINE_PROTECTED;

void _x_audio_out_resample_4channel(int16_t* last_sample,
                                    int16_t* input_samples, uint32_t in_samples,
                                    int16_t* output_samples, uint32_t out_samples) XINE_PROTECTED;

void _x_audio_out_resample_5channel(int16_t* last_sample,
                                    int16_t* input_samples, uint32_t in_samples,
                                    int16_t* output_samples, uint32_t out_samples) XINE_PROTECTED;

void _x_audio_out_resample_6channel(int16_t* last_sample,
                                    int16_t* input_samples, uint32_t in_samples,
                                    int16_t* output_samples, uint32_t out_samples) XINE_PROTECTED;

void _x_audio_out_resample_8to16(int8_t* input_samples,
                                 int16_t* output_samples, uint32_t samples) XINE_PROTECTED;

void _x_audio_out_resample_16to8(int16_t* input_samples,
                                 int8_t*  output_samples, uint32_t samples) XINE_PROTECTED;

void _x_audio_out_resample_monotostereo(int16_t* input_samples,
                                        int16_t* output_samples, uint32_t frames) XINE_PROTECTED;

void _x_audio_out_resample_stereotomono(int16_t* input_samples,
                                        int16_t* output_samples, uint32_t frames) XINE_PROTECTED;

#endif