| 1 |
|
/* |
| 2 |
|
* SID.cpp - 6581 emulation |
| 3 |
|
* |
| 4 |
< |
* Frodo (C) 1994-1997,2002-2003 Christian Bauer |
| 4 |
> |
* Frodo (C) 1994-1997,2002-2005 Christian Bauer |
| 5 |
|
* |
| 6 |
|
* This program is free software; you can redistribute it and/or modify |
| 7 |
|
* it under the terms of the GNU General Public License as published by |
| 32 |
|
#include "Prefs.h" |
| 33 |
|
|
| 34 |
|
#ifdef __BEOS__ |
| 35 |
< |
#include <MediaKit.h> |
| 35 |
> |
#include <media/SoundPlayer.h> |
| 36 |
|
#endif |
| 37 |
|
|
| 38 |
|
#ifdef AMIGA |
| 417 |
|
int sample_in_ptr; // Index in sample_buf for writing |
| 418 |
|
|
| 419 |
|
#ifdef __BEOS__ |
| 420 |
< |
static bool stream_func(void *arg, char *buf, size_t count, void *header); |
| 420 |
> |
static void buffer_proc(void *cookie, void *buffer, size_t size, const media_raw_audio_format &format); |
| 421 |
|
C64 *the_c64; // Pointer to C64 object |
| 422 |
< |
BDACStream *the_stream; // Pointer to stream |
| 423 |
< |
BSubscriber *the_sub; // Pointer to subscriber |
| 424 |
< |
bool in_stream; // Flag: Subscriber has entered stream |
| 422 |
> |
BSoundPlayer *the_player; // Pointer to sound player |
| 423 |
> |
bool player_stopped; // Flag: player stopped |
| 424 |
|
#endif |
| 425 |
|
|
| 426 |
|
#ifdef AMIGA |
| 1198 |
|
#ifdef __riscos__ // on RISC OS we have 8 bit logarithmic sound |
| 1199 |
|
DigitalRenderer_GetTables(&LinToLog, &LogScale); // get translation tables |
| 1200 |
|
#else |
| 1202 |
– |
#ifdef __BEOS__ |
| 1203 |
– |
count >>= 2; // 16 bit stereo output, count is in bytes |
| 1204 |
– |
#else |
| 1201 |
|
count >>= 1; // 16 bit mono output, count is in bytes |
| 1202 |
|
#endif |
| 1207 |
– |
#endif |
| 1203 |
|
while (count--) { |
| 1209 |
– |
int32 sum_output; |
| 1210 |
– |
int32 sum_output_filter = 0; |
| 1211 |
– |
|
| 1204 |
|
// Get current master volume from sample buffer, |
| 1205 |
|
// calculate sampled voice |
| 1206 |
|
uint8 master_volume = sample_buf[(sample_count >> 16) % SAMPLE_BUF_SIZE]; |
| 1207 |
|
sample_count += ((0x138 * 50) << 16) / SAMPLE_FREQ; |
| 1208 |
< |
sum_output = SampleTab[master_volume] << 8; |
| 1208 |
> |
int32 sum_output = SampleTab[master_volume] << 8; |
| 1209 |
> |
int32 sum_output_filter = 0; |
| 1210 |
|
|
| 1211 |
|
// Loop for all three voices |
| 1212 |
|
for (int j=0; j<3; j++) { |
| 1328 |
|
} |
| 1329 |
|
|
| 1330 |
|
// Write to buffer |
| 1331 |
< |
#ifdef __BEOS__ |
| 1339 |
< |
int16 audio_data = (sum_output + sum_output_filter) >> 10; |
| 1340 |
< |
int val = *buf + audio_data; |
| 1341 |
< |
if (val > 32767) |
| 1342 |
< |
val = 32767; |
| 1343 |
< |
if (val < -32768) |
| 1344 |
< |
val = -32768; |
| 1345 |
< |
*buf++ = val; |
| 1346 |
< |
val = *buf + audio_data; |
| 1347 |
< |
if (val > 32767) |
| 1348 |
< |
val = 32767; |
| 1349 |
< |
if (val < -32768) |
| 1350 |
< |
val = -32768; |
| 1351 |
< |
*buf++ = val; |
| 1352 |
< |
#elif defined(__riscos__) // lookup in 8k (13bit) translation table |
| 1331 |
> |
#if defined(__riscos__) // lookup in 8k (13bit) translation table |
| 1332 |
|
*buf++ = LinToLog[((sum_output + sum_output_filter) >> 13) & 0x1fff]; |
| 1333 |
|
#else |
| 1334 |
|
*buf++ = (sum_output + sum_output_filter) >> 10; |
| 1388 |
|
#if defined(__BEOS__) || defined(__riscos__) |
| 1389 |
|
the_renderer = new DigitalRenderer(the_c64); |
| 1390 |
|
#else |
| 1391 |
< |
the_renderer = new DigitalRenderer(); |
| 1391 |
> |
the_renderer = new DigitalRenderer; |
| 1392 |
|
#endif |
| 1393 |
|
#ifdef AMIGA |
| 1394 |
|
else if (new_type == SIDTYPE_SIDCARD) |
| 1395 |
< |
the_renderer = new SIDCardRenderer(); |
| 1395 |
> |
the_renderer = new SIDCardRenderer; |
| 1396 |
> |
#endif |
| 1397 |
> |
#ifdef __linux__ |
| 1398 |
> |
else if (new_type == SIDTYPE_SIDCARD) |
| 1399 |
> |
the_renderer = new CatweaselRenderer; |
| 1400 |
|
#endif |
| 1401 |
|
else |
| 1402 |
|
the_renderer = NULL; |
