annotate pmd_play.c @ 0:c55ea9478c80

Hello Gensokyo!
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Tue, 21 May 2013 10:29:21 +0200
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children c8875256b767
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1 #include <stdint.h>
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2 #include <string.h>
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3 #include <fcntl.h>
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4 #include <unistd.h>
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5 #include <sys/stat.h>
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6 #include <math.h>
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7 #include <getopt.h>
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8 #if defined(WIN32) || defined(WIN64)
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9 #include <windows.h>
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10 #include <mmsystem.h>
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11 int wave_out_open(HWAVEOUT *hWaveOut, uint32_t rate, uint8_t channels);
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12 void wave_out_close(HWAVEOUT hWaveOut);
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13 void writeAudio(HWAVEOUT hWaveOut, void *data, uint32_t size);
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14 #else
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15 int oss_audio_open(uint32_t oss_audio_rate, uint8_t nchannels);
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16 int alsa_audio_open(uint32_t *rate, uint8_t channels, uint32_t *_ver, int mode);
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17 int alsa_audio_close(int snd_fd);
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18 long snd_pcm_writei(int snd_fd, const void *buffer, unsigned long size);
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19 int snd_pcm_prepare(int snd_fd);
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20 #ifdef USE_ALSA
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21 #include <errno.h>
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22 #endif
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23 #endif
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24 #include "pmdwin.h"
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25
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26 #ifndef O_BINARY
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27 #define O_BINARY 0
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28 #endif
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29
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30 static uint32_t atoui(const uint8_t *str) {
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31 uint32_t c, num = 0;
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32 while(1) {
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33 c = *str++ - 0x30;
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34 if(c > 9) break;
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35 num = (num << 1) + (num << 3) + c;
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36 }
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37 return num;
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38 }
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39
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40 static const unsigned char static_hdr_portion[20] = {
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41 0x52, 0x49, 0x46, 0x46, 0xFF, 0xFF, 0xFF, 0x7F,
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42 0x57, 0x41, 0x56, 0x45, 0x66, 0x6D, 0x74, 0x20,
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43 0x10, 0x00, 0x00, 0x00
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44 };
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45
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46 typedef struct _WAVHeader {
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47 uint16_t wav_id;
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48 uint16_t channels;
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49 uint32_t samplerate;
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50 uint32_t bitrate;
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51 uint32_t block_align;
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52 uint32_t pad0;
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53 uint32_t pad1;
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54 } __attribute__((packed)) WAVHeader;
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55
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56 static void write_wav_header(int fd, uint32_t rate)
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57 {
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58 WAVHeader w;
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59 write(fd, &static_hdr_portion, 20);
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60
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61 w.wav_id = 1;
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62 w.channels = 1;
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63 w.samplerate = rate;
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64 w.bitrate = rate*2;
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65 w.block_align = 0x00100010;
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66 w.pad0 = 0x61746164;
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67 w.pad1 = 0x7fffffff;
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68 write(fd, &w, sizeof(WAVHeader));
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69 }
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70
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71 //=============================================================================
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72 // Load PMD data from file into memory. Uses mmap() on both Windows and *nix.
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73 // Originally in pmdwin.cpp, moved here to minimize platform-specific code
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74 // in pmdwin.cpp
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75 //=============================================================================
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76 #if defined(WIN32) || defined(WIN64)
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77 static int music_load(char *filename)
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78 {
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79 HANDLE mapped_file, h;
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80 int result;
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81 size_t size;
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82 uchar *musbuf;
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83 struct stat st;
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84
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85 mapped_file = CreateFile(filename, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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86 h = CreateFileMapping(mapped_file, NULL, PAGE_READWRITE, 0, 0, NULL);
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87 if(!h) {
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88 return ERR_OPEN_MUSIC_FILE;
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89 }
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90 stat(filename, &st);
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91 musbuf = (uchar*)MapViewOfFile(h, FILE_MAP_READ, 0, 0, 0);
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92 CloseHandle(h);
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93 CloseHandle(mapped_file);
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94 size = st.st_size;
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95 result = music_load3(musbuf, size);
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96 return result;
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97 }
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98 #else
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99 static int music_load(char *filename)
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100 {
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101 int fd = -1;
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102 int result;
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103 size_t size;
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104 uchar musbuf[mdata_def*1024];
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105
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106 if((fd = open(filename, O_RDONLY)) < 0) {
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107 return ERR_OPEN_MUSIC_FILE;
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108 }
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109
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110 size = read(fd, musbuf, sizeof(musbuf));
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111 close(fd);
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112 result = music_load3(musbuf, size);
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113 return result;
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114 }
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115 #endif
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116
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117 #if defined(WIN32) || defined(WIN64)
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118 #define WriteToConsole(str, len) WriteFile(errh, (str), (len), &done, NULL)
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119 #else
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120 #define WriteToConsole(str, len) write(2, (str), (len))
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121 #endif
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122
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123 static void usage(void) {
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124 #if defined(WIN32) || defined(WIN64)
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125 DWORD done;
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126 HANDLE errh = GetStdHandle(STD_ERROR_HANDLE);
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127 #endif
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128 const char *usage_str =
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129 "pmdwin -f <output file> -l <loop count> -m <device mask> -c <channel mask> -t <time> [PMD File]\n\
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130 -f - Write output to wavfile\n\
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131 -l - Loop n times (default is once - use 0 for infinite loop)\n\
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132 -m - Device mask: 1 - OPNA, 2 - PSG, 4 - Rhythm (or them together)\n\
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133 -c - Channel mask: 1,2,4,8,16,32 are OPNA channels 1-6, 64,128,256 are PSG channels 1-3. Once again, or them together\n\
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134 -t - Play song for n seconds\n\n";
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135 WriteToConsole(usage_str, strlen(usage_str));
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136 }
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137
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138 int main(int argc, char **argv) {
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139 uint32_t i, frameno, samplerate_out = SOUND_44K, infloop = 0;
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140 uint32_t pmd_length = 0, pmd_loopcount = 2;
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141 int opt, j, out_fd = -1;
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142 uint8_t tofile = 0;
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143 int16_t pcmbuf[8192];
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144 char pmd_title[1024];
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145 char pmd_compo[1024];
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
146 #if defined(WIN32) || defined(WIN64)
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parents:
diff changeset
147 DWORD done;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
148 HANDLE errh = GetStdHandle(STD_ERROR_HANDLE);
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parents:
diff changeset
149 HWAVEOUT hWaveOut;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
150 #endif
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parents:
diff changeset
151 char buf[1024];
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
152 pmdwininit();
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
153
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parents:
diff changeset
154 while((opt = getopt(argc, argv, "f:l:m:c:t:r:")) != -1) {
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parents:
diff changeset
155 switch(opt) {
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
156 case 'f':
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parents:
diff changeset
157 tofile = 1;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
158 out_fd = open(optarg, O_WRONLY|O_CREAT|O_APPEND|O_BINARY, 0644);
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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159 break;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
160 case 'l':
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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161 pmd_loopcount = atoui((uint8_t*)optarg);
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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162 if(!pmd_loopcount) infloop = 1;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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163 break;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
164 case 'c':
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165 setchanmask(atoui((uint8_t*)optarg));
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parents:
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166 break;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
167 case 'm':
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168 setdevmask(atoui((uint8_t*)optarg));
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parents:
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169 break;
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parents:
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170 case 't':
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171 pmd_length = atoui((uint8_t*)optarg)*1000;
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172 break;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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173 case 'r':
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174 samplerate_out = atoui((uint8_t*)optarg);
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parents:
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175 break;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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176 default:
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parents:
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177 usage();
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178 break;
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parents:
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179 }
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parents:
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180 }
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parents:
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181
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182 if(!tofile) {
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parents:
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183 #if defined(WIN32) || defined(WIN64)
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184 if(!wave_out_open(&hWaveOut, samplerate_out, 1)) {
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parents:
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185 #else
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parents:
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186 #ifdef USE_ALSA
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parents:
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187 if((out_fd = alsa_audio_open(&samplerate_out, 1, NULL, 0)) < 0) {
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parents:
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188 #else
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parents:
diff changeset
189 if((out_fd = oss_audio_open(samplerate_out, 1)) < 0) {
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parents:
diff changeset
190 #endif
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
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191 #endif
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192 WriteToConsole("Cannot open sound device, exiting.\n", 35);
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parents:
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193 return -1;
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
194 }
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parents:
diff changeset
195 } else {
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parents:
diff changeset
196 write_wav_header(out_fd, samplerate_out);
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parents:
diff changeset
197 }
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parents:
diff changeset
198 music_load(argv[optind]);
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parents:
diff changeset
199 memcpy(pmd_title, "Title = ", 8);
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parents:
diff changeset
200 getmemo3(pmd_title+8, NULL, 0, 1);
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parents:
diff changeset
201 i = strlen(pmd_title); pmd_title[i++] = '\n';
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parents:
diff changeset
202 #if defined(WIN32) || defined(WIN64)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
203 SetConsoleOutputCP(65001); // UTF-8
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parents:
diff changeset
204 #endif
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parents:
diff changeset
205 WriteToConsole(pmd_title, i);
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
206 memcpy(pmd_compo, "Composer = ", 11);
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
207 getmemo3(pmd_compo+11, NULL, 0, 2);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
208 i = strlen(pmd_compo); pmd_compo[i++] = '\n';
c55ea9478c80 Hello Gensokyo!
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parents:
diff changeset
209 WriteToConsole(pmd_compo, i);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
210 setpcmrate(samplerate_out);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
211 music_start();
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
212 i = 0;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
213 if(pmd_length != 0) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
214 frameno = lrintf(((float)pmd_length*(float)samplerate_out)/(4096.0f*1000.0f));
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
215 } else {
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
216 frameno = 0;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
217 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
218 buf[0] = '\r';
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
219 while(getloopcount() < pmd_loopcount || infloop || i < frameno) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
220 int ret = getstatus(buf+1, 1022);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
221 WriteToConsole(buf, ret+1);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
222 getpcmdata(pcmbuf, 4096);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
223 #if defined(WIN32) || defined(WIN64)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
224 if(!tofile) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
225 writeAudio(hWaveOut, pcmbuf, 8192);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
226 } else
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
227 #endif
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
228 #ifdef USE_ALSA
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
229 if(!tofile) {
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
230 j = snd_pcm_writei(out_fd, pcmbuf, 2048);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
231 if(j == -EPIPE) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
232 snd_pcm_prepare(out_fd);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
233 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
234 } else
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
235 #endif
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
236 write(out_fd, pcmbuf, 8192);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
237 i++;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
238 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
239 WriteToConsole("\n", 1);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
240 #if defined(WIN32) || defined(WIN64)
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
241 if(!tofile) {
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
242 wave_out_close(hWaveOut);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
243 } else
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
244 #endif
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
245 #ifdef USE_ALSA
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
246 alsa_audio_close(out_fd);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
247 #else
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
248 close(out_fd);
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
249 #endif
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
250 return 0;
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
251 }
c55ea9478c80 Hello Gensokyo!
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
diff changeset
252