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annotate src/audio/sdlgenaudiocvt.pl @ 1984:b910bcabec26

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Added SDL_SwapFloat* function/macros. Reference Bugzilla #293.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 24 Aug 2006 12:49:59 +0000
parents 3b4ce57c6215
children 8055185ae4ed
rev   line source
1982
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1 #!/usr/bin/perl -w
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2
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3 use warnings;
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4 use strict;
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5
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6 my @audiotypes = qw(
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7 U8
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8 S8
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9 U16LSB
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10 S16LSB
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11 U16MSB
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12 S16MSB
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13 S32LSB
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14 S32MSB
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15 F32LSB
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16 F32MSB
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17 );
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18
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19 my %funcs;
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20
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21 my $custom_converters = 0;
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22
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23
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24 sub outputHeader {
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25 print <<EOF;
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26 /* DO NOT EDIT THIS FILE! It is generated code. */
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27 /* Please modify SDL/src/audio/sdlgenaudiocvt.pl instead. */
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28
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29 /*
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30 SDL - Simple DirectMedia Layer
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31 Copyright (C) 1997-2006 Sam Lantinga
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32
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33 This library is free software; you can redistribute it and/or
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34 modify it under the terms of the GNU Lesser General Public
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35 License as published by the Free Software Foundation; either
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36 version 2.1 of the License, or (at your option) any later version.
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37
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38 This library is distributed in the hope that it will be useful,
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39 but WITHOUT ANY WARRANTY; without even the implied warranty of
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40 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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41 Lesser General Public License for more details.
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42
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43 You should have received a copy of the GNU Lesser General Public
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44 License along with this library; if not, write to the Free Software
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45 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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46
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47 Sam Lantinga
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48 slouken\@libsdl.org
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49 */
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50
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51 #include "SDL_config.h"
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52 #include "SDL_audio.h"
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53 #include "SDL_audio_c.h"
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54
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55 /* Now the generated code... */
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56
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57 EOF
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58
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59 my @vals = ( 127, 255, 32767, 65535, 2147483647 );
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60 foreach (@vals) {
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61 my $val = $_;
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62 my $fval = 1.0 / $val;
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63 print("#define DIVBY${val} ${fval}f\n");
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64 }
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65
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66 print("\n");
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67 }
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68
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69
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70 sub splittype {
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71 my $t = shift;
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72 my ($signed, $size, $endian) = $t =~ /([USF])(\d+)([LM]SB|)/;
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73 my $float = ($signed eq 'F') ? 1 : 0;
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74 $signed = (($float) or ($signed eq 'S')) ? 1 : 0;
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75 $endian = 'NONE' if ($endian eq '');
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76
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77 my $ctype = '';
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78 if ($float) {
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79 $ctype = (($size == 32) ? 'float' : 'double');
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80 } else {
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81 $ctype = (($signed) ? 'S' : 'U') . "int${size}";
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82 }
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83
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84 return ($signed, $float, $size, $endian, $ctype);
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85 }
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86
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87 sub getSwapFunc {
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88 my ($size, $signed, $float, $endian, $val) = @_;
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89 my $BEorLE = (($endian eq 'MSB') ? 'BE' : 'LE');
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90 my $code = '';
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91
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92 if ($float) {
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93 $code = "SDL_SwapFloat${BEorLE}($val)";
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94 } else {
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95 if ($size > 8) {
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96 $code = "SDL_Swap${BEorLE}${size}($val)";
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97 } else {
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98 $code = $val;
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99 }
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100
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101 if (($signed) and (!$float)) {
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102 $code = "((Sint${size}) $code)";
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103 }
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104 }
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105
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106 return "${code}";
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107 }
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108
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109
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110 sub maxIntVal {
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111 my ($signed, $size) = @_;
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112 if ($signed) {
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113 if ($size == 8) {
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114 return 0x7F;
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115 } elsif ($size == 16) {
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116 return 0x7FFF;
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117 } elsif ($size == 32) {
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118 return 0x7FFFFFFF;
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119 }
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120 } else {
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121 if ($size == 8) {
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122 return 0xFF;
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123 } elsif ($size == 16) {
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124 return 0xFFFF;
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125 } elsif ($size == 32) {
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126 return 0xFFFFFFFF;
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127 }
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128 }
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129
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130 die("bug in script.\n");
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131 }
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132
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133 sub getFloatToIntMult {
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134 my ($signed, $size) = @_;
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135 my $val = maxIntVal($signed, $size) . '.0';
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136 $val .= 'f' if ($size < 32);
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137 return $val;
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138 }
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139
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140 sub getIntToFloatDivBy {
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Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
141 my ($signed, $size) = @_;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
142 return 'DIVBY' . maxIntVal($signed, $size);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
143 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
144
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
145 sub getSignFlipVal {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
146 my $size = shift;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
147 if ($size == 8) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
148 return '0x80';
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
149 } elsif ($size == 16) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
150 return '0x8000';
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
151 } elsif ($size == 32) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
152 return '0x80000000';
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
153 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
154
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
155 die("bug in script.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
156 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
157
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
158 sub buildCvtFunc {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
159 my ($from, $to) = @_;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
160 my ($fsigned, $ffloat, $fsize, $fendian, $fctype) = splittype($from);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
161 my ($tsigned, $tfloat, $tsize, $tendian, $tctype) = splittype($to);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
162 my $diffs = 0;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
163 $diffs++ if ($fsize != $tsize);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
164 $diffs++ if ($fsigned != $tsigned);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
165 $diffs++ if ($ffloat != $tfloat);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
166 $diffs++ if ($fendian ne $tendian);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
167
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
168 return if ($diffs == 0);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
169
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
170 my $hashid = "$from/$to";
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
171 if (1) { # !!! FIXME: if ($diffs > 1) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
172 my $sym = "SDL_Convert_${from}_to_${to}";
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
173 $funcs{$hashid} = $sym;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
174 $custom_converters++;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
175
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
176 # Always unsigned for ints, for possible byteswaps.
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
177 my $srctype = (($ffloat) ? 'float' : "Uint${fsize}");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
178
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
179 print <<EOF;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
180 static void SDLCALL
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
181 ${sym}(SDL_AudioCVT * cvt, SDL_AudioFormat format)
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
182 {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
183 int i;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
184 const $srctype *src;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
185 $tctype *dst;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
186
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
187 #ifdef DEBUG_CONVERT
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
188 fprintf(stderr, "Converting AUDIO_${from} to AUDIO_${to}.\\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
189 #endif
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
190
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
191 EOF
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
192
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
193 if ($fsize < $tsize) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
194 my $mult = $tsize / $fsize;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
195 print <<EOF;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
196 src = (const $srctype *) (cvt->buf + cvt->len_cvt);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
197 dst = ($tctype *) (cvt->buf + cvt->len_cvt * $mult);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
198 for (i = cvt->len_cvt / sizeof ($srctype); i; --i, --src, --dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
199 EOF
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
200 } else {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
201 print <<EOF;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
202 src = (const $srctype *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
203 dst = ($tctype *) cvt->buf;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
204 for (i = cvt->len_cvt / sizeof ($srctype); i; --i, ++src, ++dst) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
205 EOF
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
206 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
207
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
208 # Have to convert to/from float/int.
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
209 # !!! FIXME: cast through double for int32<->float?
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
210 my $code = getSwapFunc($fsize, $fsigned, $ffloat, $fendian, '*src');
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
211 if ($ffloat != $tfloat) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
212 if ($ffloat) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
213 my $mult = getFloatToIntMult($tsigned, $tsize);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
214 $code = "(($tctype) ($code * $mult))";
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
215 } else {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
216 # $divby will be the reciprocal, to avoid pipeline stalls
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
217 # from floating point division...so multiply it.
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
218 my $divby = getIntToFloatDivBy($fsigned, $fsize);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
219 $code = "(((float) $code) * $divby)";
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
220 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
221 } else {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
222 # All integer conversions here.
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
223 if ($fsigned != $tsigned) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
224 my $signflipval = getSignFlipVal($fsize);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
225 $code = "(($code) ^ $signflipval)";
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
226 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
227
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
228 my $shiftval = abs($fsize - $tsize);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
229 if ($fsize < $tsize) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
230 $code = "((($tctype) $code) << $shiftval)";
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
231 } elsif ($fsize > $tsize) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
232 $code = "(($tctype) ($code >> $shiftval))";
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
233 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
234 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
235
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
236 my $swap = getSwapFunc($tsize, $tsigned, $tfloat, $tendian, 'val');
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
237
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
238 print <<EOF;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
239 const $tctype val = $code;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
240 *dst = ${swap};
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
241 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
242
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
243 EOF
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
244
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
245 if ($fsize > $tsize) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
246 my $divby = $fsize / $tsize;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
247 print(" cvt->len_cvt /= $divby;\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
248 } elsif ($fsize < $tsize) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
249 my $mult = $tsize / $fsize;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
250 print(" cvt->len_cvt *= $mult;\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
251 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
252
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
253 print <<EOF;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
254 format = AUDIO_$to;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
255 if (cvt->filters[++cvt->filter_index]) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
256 cvt->filters[cvt->filter_index] (cvt, format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
257 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
258 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
259
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
260 EOF
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
261
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
262 } else {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
263 if ($fsigned != $tsigned) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
264 $funcs{$hashid} = 'SDL_ConvertSigned';
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
265 } elsif ($ffloat != $tfloat) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
266 $funcs{$hashid} = 'SDL_ConvertFloat';
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
267 } elsif ($fsize != $tsize) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
268 $funcs{$hashid} = 'SDL_ConvertSize';
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
269 } elsif ($fendian ne $tendian) {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
270 $funcs{$hashid} = 'SDL_ConvertEndian';
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
271 } else {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
272 die("error in script.\n");
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
273 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
274 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
275 }
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
276
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
277 outputHeader();
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278
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279 foreach (@audiotypes) {
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280 my $from = $_;
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281 foreach (@audiotypes) {
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282 my $to = $_;
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283 buildCvtFunc($from, $to);
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284 }
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285 }
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286
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287 print <<EOF;
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288 const SDL_AudioTypeFilters sdl_audio_type_filters[] =
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289 {
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290 EOF
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291
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292 foreach (@audiotypes) {
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293 my $from = $_;
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294 foreach (@audiotypes) {
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295 my $to = $_;
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296 if ($from ne $to) {
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297 my $hashid = "$from/$to";
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298 my $sym = $funcs{$hashid};
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299 print(" { AUDIO_$from, AUDIO_$to, $sym },\n");
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300 }
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301 }
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302 }
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303
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304 print <<EOF;
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305 };
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306
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307
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308 EOF
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309
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310 exit 0;
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311
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312 # end of sdlaudiocvt.pl ...
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313