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#include "sound.h"
AUDIOSTREAM *stream = NULL;
FILE *stream_file = NULL;
WFXSTREAM wfx;
int stream_vol = DEFAULT_STREAM_VOL;
int sample_vol = DEFAULT_SAMPLE_VOL;
void stream_callback(void)
{
if (stream_file && stream)
{
unsigned char *p = (unsigned char *)get_audio_stream_buffer(stream);
if (p)
{
if (feof(stream_file))
{
fseek(stream_file, 22, SEEK_SET);
wfx.played = 0;
}
if (wfx.played >= wfx.len - (STREAM_BUFFER_SIZE * wfx.bps))
memset(p, 0x80, STREAM_BUFFER_SIZE * wfx.bps);
wfx.played += fread(p, 1, STREAM_BUFFER_SIZE * wfx.bps, stream_file);
free_audio_stream_buffer(stream);
}
}
}
END_OF_FUNCTION(stream_callback);
void install_stream()
{
LOCK_FUNCTION(stream_callback);
LOCK_VARIABLE(stream);
LOCK_VARIABLE(stream_file);
LOCK_VARIABLE(wfx);
stream_file = NULL;
stream = NULL;
}
void stream_start()
{
install_int_ex(stream_callback, MSEC_TO_TIMER(250));
}
void stream_select_mfx( char *name )
{
if (stream)
{
stop_audio_stream(stream);
stream = NULL;
}
if (stream_file)
{
fclose(stream_file);
stream_file = NULL;
}
stream_file = fopen(name,"rb");
if (stream_file)
{
fgets( wfx.sig, 7, stream_file);
wfx.len = _getw(stream_file);
wfx.bits = _getw(stream_file);
wfx.stereo = _getw(stream_file);
wfx.freq = _getw(stream_file);
wfx.bps = (wfx.bits / 8) * (wfx.stereo ? 2 : 1);
wfx.played = 0;
stream = play_audio_stream(STREAM_BUFFER_SIZE, wfx.bits, wfx.stereo, wfx.freq, stream_vol, 128);
}
}
void stream_stop()
{
// fclose(stream_file);
// stream_file = NULL;
// stop_audio_stream(stream);
}
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