1 |
|
/* |
2 |
|
* main_sdl.cpp - SIDPlayer SDL main program |
3 |
|
* |
4 |
< |
* SIDPlayer (C) Copyright 1996-2001 Christian Bauer |
4 |
> |
* SIDPlayer (C) Copyright 1996-2003 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 |
21 |
|
#include "sys.h" |
22 |
|
|
23 |
|
#include <SDL.h> |
24 |
+ |
#include <SDL/SDL_endian.h> |
25 |
+ |
|
26 |
|
#include <stdio.h> |
27 |
|
#include <stdlib.h> |
28 |
+ |
#include <errno.h> |
29 |
+ |
|
30 |
+ |
#ifdef __unix__ |
31 |
+ |
#include <unistd.h> |
32 |
+ |
#include <sys/time.h> |
33 |
+ |
#endif |
34 |
|
|
35 |
|
#include "main.h" |
36 |
|
#include "prefs.h" |
38 |
|
|
39 |
|
|
40 |
|
/* |
41 |
+ |
* Get current value of microsecond timer |
42 |
+ |
*/ |
43 |
+ |
|
44 |
+ |
uint64 GetTicks_usec() |
45 |
+ |
{ |
46 |
+ |
#ifdef __unix__ |
47 |
+ |
struct timeval t; |
48 |
+ |
gettimeofday(&t, NULL); |
49 |
+ |
return uint64(t.tv_sec) * 1000000 + t.tv_usec; |
50 |
+ |
#else |
51 |
+ |
return uint64(SDL_GetTicks()) * 1000; |
52 |
+ |
#endif |
53 |
+ |
} |
54 |
+ |
|
55 |
+ |
|
56 |
+ |
/* |
57 |
+ |
* Delay by specified number of microseconds (<1 second) |
58 |
+ |
* (adapted from SDL_Delay() source) |
59 |
+ |
*/ |
60 |
+ |
|
61 |
+ |
void Delay_usec(uint32 usec) |
62 |
+ |
{ |
63 |
+ |
#ifdef __unix__ |
64 |
+ |
int was_error; |
65 |
+ |
#ifndef __linux__ /* Non-Linux implementations need to calculate time left */ |
66 |
+ |
uint64 then, now, elapsed; |
67 |
+ |
#endif |
68 |
+ |
struct timeval tv; |
69 |
+ |
|
70 |
+ |
/* Set the timeout interval - Linux only needs to do this once */ |
71 |
+ |
#ifdef __linux__ |
72 |
+ |
tv.tv_sec = 0; |
73 |
+ |
tv.tv_usec = usec; |
74 |
+ |
#else |
75 |
+ |
then = GetTicks_usec(); |
76 |
+ |
#endif |
77 |
+ |
do { |
78 |
+ |
errno = 0; |
79 |
+ |
#ifndef __linux__ |
80 |
+ |
/* Calculate the time interval left (in case of interrupt) */ |
81 |
+ |
now = GetTicks_usec(); |
82 |
+ |
elapsed = (now-then); |
83 |
+ |
then = now; |
84 |
+ |
if ( elapsed >= usec ) { |
85 |
+ |
break; |
86 |
+ |
} |
87 |
+ |
usec -= elapsed; |
88 |
+ |
tv.tv_sec = 0; |
89 |
+ |
tv.tv_usec = usec; |
90 |
+ |
#endif |
91 |
+ |
was_error = select(0, NULL, NULL, NULL, &tv); |
92 |
+ |
} while (was_error && (errno == EINTR)); |
93 |
+ |
#else |
94 |
+ |
SDL_Delay(usec / 1000); |
95 |
+ |
#endif |
96 |
+ |
} |
97 |
+ |
|
98 |
+ |
|
99 |
+ |
/* |
100 |
|
* Main program |
101 |
|
*/ |
102 |
|
|
103 |
|
static void usage(const char *prg_name) |
104 |
|
{ |
105 |
< |
printf("Usage: %s [OPTION...] FILE [song_number]]\n", prg_name); |
105 |
> |
printf("Usage: %s [OPTION...] FILE [song_number]\n", prg_name); |
106 |
|
PrefsPrintUsage(); |
107 |
|
exit(0); |
108 |
|
} |
109 |
|
|
110 |
< |
static void quit(void) |
110 |
> |
static void quit() |
111 |
|
{ |
112 |
|
ExitAll(); |
113 |
|
SDL_Quit(); |
118 |
|
// Print banner |
119 |
|
printf( |
120 |
|
PACKAGE " Version " VERSION "\n\n" |
121 |
< |
"Copyright (C) 1996-2001 Christian Bauer\n" |
121 |
> |
"Copyright (C) 1996-2003 Christian Bauer\n" |
122 |
|
"E-mail: Christian.Bauer@uni-mainz.de\n" |
123 |
|
"http://www.uni-mainz.de/~bauec002/\n\n" |
124 |
|
"This is free software with ABSOLUTELY NO WARRANTY.\n" |
133 |
|
} |
134 |
|
atexit(quit); |
135 |
|
InitAll(argc, argv); |
136 |
< |
int32 selected_speed = PrefsFindInt32("speed"); |
136 |
> |
int32 speed = PrefsFindInt32("speed"); |
137 |
|
|
138 |
|
// Parse non-option arguments |
139 |
< |
if (argc < 2) |
73 |
< |
usage(argv[0]); |
74 |
< |
char *file_name = argv[argc - 1]; |
139 |
> |
const char *file_name = NULL; |
140 |
|
int song = 0; |
141 |
< |
if (argc >= 3) { |
142 |
< |
bool only_numbers = true; |
143 |
< |
for (int i=0; i<strlen(file_name); i++) |
144 |
< |
if (!isdigit(file_name[i])) { |
145 |
< |
only_numbers = false; |
146 |
< |
break; |
147 |
< |
} |
148 |
< |
if (only_numbers) { |
149 |
< |
song = atoi(file_name); |
150 |
< |
file_name = argv[argc - 2]; |
141 |
> |
for (int i=1; i<argc; i++) { |
142 |
> |
if (strcmp(argv[i], "--help") == 0) |
143 |
> |
usage(argv[0]); |
144 |
> |
else if (argv[i][0] == '-') { |
145 |
> |
fprintf(stderr, "Unrecognized option '%s'\n", argv[i]); |
146 |
> |
usage(argv[0]); |
147 |
> |
} else { |
148 |
> |
if (file_name == NULL) |
149 |
> |
file_name = argv[i]; // First non-option argument is file name |
150 |
> |
else |
151 |
> |
song = atoi(argv[i]); // Second non-option argument is song number |
152 |
|
} |
153 |
|
} |
154 |
+ |
if (file_name == NULL) |
155 |
+ |
usage(argv[0]); |
156 |
|
|
157 |
|
// Load given PSID file |
158 |
|
if (!LoadPSIDFile(file_name)) { |
167 |
|
SelectSong(song - 1); |
168 |
|
} |
169 |
|
|
170 |
+ |
SIDAdjustSpeed(speed); // SelectSong and LoadPSIDFile() reset this to 100% |
171 |
+ |
|
172 |
|
// Print file information |
173 |
|
printf("Module Name: %s\n", module_name); |
174 |
|
printf("Author : %s\n", author_name); |
175 |
|
printf("Copyright : %s\n\n", copyright_info); |
176 |
|
printf("Playing song %d/%d\n", current_song + 1, number_of_songs); |
177 |
|
|
178 |
< |
// Start replay and enter main loop |
179 |
< |
SIDAdjustSpeed(selected_speed); // SelectSong resets this to 100% |
180 |
< |
SDL_PauseAudio(false); |
181 |
< |
while (true) { |
182 |
< |
SDL_Event e; |
183 |
< |
if (SDL_WaitEvent(&e)) { |
184 |
< |
if (e.type == SDL_QUIT) |
185 |
< |
break; |
178 |
> |
// Replay or output to file? |
179 |
> |
const char *outfile = PrefsFindString("outfile"); |
180 |
> |
if (outfile) { |
181 |
> |
|
182 |
> |
// Open file |
183 |
> |
SDL_RWops *f = SDL_RWFromFile(outfile, "wb"); |
184 |
> |
if (f == NULL) { |
185 |
> |
fprintf(stderr, "Can't open '%s' for writing (%s)\n", outfile, strerror(errno)); |
186 |
> |
exit(1); |
187 |
> |
} |
188 |
> |
|
189 |
> |
// Get format information |
190 |
> |
int32 channels = (PrefsFindBool("stereo") ? 2 : 1); |
191 |
> |
int32 bits = (PrefsFindBool("audio16bit") ? 16 : 8); |
192 |
> |
int32 rate = PrefsFindInt32("samplerate"); |
193 |
> |
int32 time = PrefsFindInt32("time"); |
194 |
> |
int32 bytes_per_frame = channels * (bits / 8); |
195 |
> |
int32 bytes_per_second = rate * bytes_per_frame; |
196 |
> |
int32 data_length = time * bytes_per_second; |
197 |
> |
|
198 |
> |
// Write header |
199 |
> |
SDL_WriteLE32(f, 0x46464952); // "RIFF" |
200 |
> |
SDL_WriteLE32(f, 36 + data_length); |
201 |
> |
SDL_WriteLE32(f, 0x45564157); // "WAVE" |
202 |
> |
SDL_WriteLE32(f, 0x20746D66); // "fmt " |
203 |
> |
SDL_WriteLE32(f, 16); |
204 |
> |
SDL_WriteLE16(f, 1); |
205 |
> |
SDL_WriteLE16(f, channels); |
206 |
> |
SDL_WriteLE32(f, rate); |
207 |
> |
SDL_WriteLE32(f, bytes_per_second); |
208 |
> |
SDL_WriteLE16(f, bytes_per_frame); |
209 |
> |
SDL_WriteLE16(f, bits); |
210 |
> |
SDL_WriteLE32(f, 0x61746164); // "data" |
211 |
> |
SDL_WriteLE32(f, data_length); |
212 |
> |
|
213 |
> |
// Calculate sound and write to file |
214 |
> |
uint8 *buf = new uint8[bytes_per_second]; |
215 |
> |
for (int i=0; i<time; i++) { |
216 |
> |
SIDCalcBuffer(buf, bytes_per_second); |
217 |
> |
#if SDL_BYTEORDER == SDL_BIG_ENDIAN |
218 |
> |
if (bits > 8) { |
219 |
> |
// WAV file is little-endian, swap audio data |
220 |
> |
for (int b=0; b<bytes_per_second; b+=2) { |
221 |
> |
uint8 tmp = buf[b]; |
222 |
> |
buf[b] = buf[b+1]; |
223 |
> |
buf[b+1] = tmp; |
224 |
> |
} |
225 |
> |
} |
226 |
> |
#endif |
227 |
> |
SDL_RWwrite(f, buf, bytes_per_second, 1); |
228 |
> |
} |
229 |
> |
delete[] buf; |
230 |
> |
|
231 |
> |
// Close file |
232 |
> |
SDL_RWclose(f); |
233 |
> |
printf("Output written to '%s'\n", outfile); |
234 |
> |
|
235 |
> |
} else if (PrefsFindBool("cwsid")) { |
236 |
> |
|
237 |
> |
// Catweasel output, requires manual timing |
238 |
> |
while (true) { |
239 |
> |
SIDExecute(); |
240 |
> |
|
241 |
> |
SDL_Event e; |
242 |
> |
if (SDL_PollEvent(&e)) { |
243 |
> |
if (e.type == SDL_QUIT) |
244 |
> |
break; |
245 |
> |
} |
246 |
> |
} |
247 |
> |
|
248 |
> |
} else { |
249 |
> |
|
250 |
> |
// Start replay and enter main loop |
251 |
> |
SDL_PauseAudio(false); |
252 |
> |
while (true) { |
253 |
> |
SDL_Event e; |
254 |
> |
if (SDL_WaitEvent(&e)) { |
255 |
> |
if (e.type == SDL_QUIT) |
256 |
> |
break; |
257 |
> |
} |
258 |
|
} |
259 |
|
} |
260 |
|
|
261 |
+ |
ExitAll(); |
262 |
|
return 0; |
263 |
|
} |