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//Copyright Paul Reiche, Fred Ford. 1992-2002
/*
* 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 LIBS_SOUND_SNDINTRN_H_
#define LIBS_SOUND_SNDINTRN_H_
#include <stdio.h>
#include "types.h"
#include "libs/reslib.h"
#include "libs/memlib.h"
#define PAD_SCOPE_BYTES 256
extern void *_GetMusicData (uio_Stream *fp, DWORD length);
extern BOOLEAN _ReleaseMusicData (void *handle);
extern void *_GetSoundBankData (uio_Stream *fp, DWORD length);
extern BOOLEAN _ReleaseSoundBankData (void *handle);
#define AllocMusicData HMalloc
#define FreeMusicData HFree
extern char* CheckMusicResName (char* filename);
// audio data
struct tfb_soundsample
{
TFB_SoundDecoder *decoder; // decoder to read from
float length; // total length of decoder chain in seconds
audio_Object *buffer;
uint32 num_buffers;
TFB_SoundTag *buffer_tag;
sint32 offset; // initial offset
void* data; // user-defined data
TFB_SoundCallbacks callbacks; // user-defined callbacks
};
// equivalent to channel in legacy sound code
typedef struct tfb_soundsource
{
TFB_SoundSample *sample;
audio_Object handle;
bool stream_should_be_playing;
Mutex stream_mutex;
sint32 start_time; // for tracks played-time math
uint32 pause_time; // keep track for paused tracks
void *positional_object;
audio_Object last_q_buf; // for callbacks processing
// Cyclic waveform buffer for oscilloscope
void *sbuffer;
uint32 sbuf_size;
uint32 sbuf_tail;
uint32 sbuf_head;
uint32 sbuf_lasttime; // timestamp of the first queued buffer
} TFB_SoundSource;
extern TFB_SoundSource soundSource[];
#endif /* LIBS_SOUND_SNDINTRN_H_ */
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