/*

SDL_mixer: An audio mixer library based on the SDL library

Copyright (C) 1997-2009 Sam Lantinga

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

Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Sam Lantinga

slouken@libsdl.org

*/

#ifdef MP3_MAD_MUSIC

#include "mad.h"

#include "SDL_rwops.h"

#include "SDL_audio.h"

#include "SDL_mixer.h"

#define MAD_INPUT_BUFFER_SIZE (5*8192)

#define MAD_OUTPUT_BUFFER_SIZE 8192

enum {

MS_input_eof = 0x0001,

MS_input_error = 0x0001,

MS_decode_eof = 0x0002,

MS_decode_error = 0x0004,

MS_error_flags = 0x000f,

MS_playing = 0x0100,

MS_cvt_decoded = 0x0200,

};

typedef struct {

SDL_RWops *rw;

SDL_bool freerw;

struct mad_stream stream;

struct mad_frame frame;

struct mad_synth synth;

int frames_read;

mad_timer_t next_frame_start;

int volume;

int status;

int output_begin, output_end;

SDL_AudioSpec mixer;

SDL_AudioCVT cvt;

unsigned char input_buffer[MAD_INPUT_BUFFER_SIZE + MAD_BUFFER_GUARD];

unsigned char output_buffer[MAD_OUTPUT_BUFFER_SIZE];

} mad_data;

mad_data *mad_openFile(const char *filename, SDL_AudioSpec *mixer);

mad_data *mad_openFileRW(SDL_RWops *rw, SDL_AudioSpec *mixer);

void mad_closeFile(mad_data *mp3_mad);

void mad_start(mad_data *mp3_mad);

void mad_stop(mad_data *mp3_mad);

int mad_isPlaying(mad_data *mp3_mad);

int mad_getSamples(mad_data *mp3_mad, Uint8 *stream, int len);

void mad_seek(mad_data *mp3_mad, double position);

void mad_setVolume(mad_data *mp3_mad, int volume);

#endif