Mercurial > otakunoraifu

annotate music2/nwatowav.cc @ 47:5f548e5957a8

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* get rid of the "deprecated conversion from string constant to ‘char*’" warnings
author thib
date Wed, 15 Apr 2009 20:26:32 +0000
parents 01aa5ddf7dc8
children 15a18fbe6f21
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
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1 /* nwatowav : Visual Arts ·Ï¤Î¥²¡¼¥à¤Î¥Ç¥â¤Ç»È¤ï¤ì¤ë nwa ·Á¼°¤Î
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2 ** ¥Õ¥¡¥¤¥ë¤ò wav ·Á¼°¤ËÊÑ´¹¤¹¤ë
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3 **
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4 ** compile : gcc -O2 -o nwatowav nwatowav.cc
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5 ** usage : nwatowav [nwa-file [outfile]]
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6 ** nwatowav [nwk-file [outfile]]
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7 ** example : nwatowav HM06.nwa HM06.wav # BGM¥Õ¥¡¥¤¥ë¡£HM06.wav ¤ËŸ³«¤µ¤ì¤ë
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8 ** nwatowav z2813.nwk z2813 # ²»À¼¥Õ¥¡¥¤¥ë¡£ z2813-100.wav ¤Ê¤É¤Î¥Õ¥¡¥¤¥ë̾¤ÇŸ³«¤µ¤ì¤ë
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9 ** nwatowav z0513.ovk z0513 # ²»À¼¥Õ¥¡¥¤¥ë¡£ z0513-100.ogg ¤Ê¤É¤Î¥Õ¥¡¥¤¥ë̾¤ÇŸ³«¤µ¤ì¤ë
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10 **
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11 **
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12 ** 2004.5.19 ¾®¾¾¤µ¤ó<s1100089@u-aizu.ac.jp> ¤«¤é CLANNAD ¤Î̵°µ½Ìnwa·Á¼°¤ËÂбþ¤¹¤ë
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13 ** ¥Ñ¥Ã¥Á¤ò¤¤¤¿¤À¤¤¤¿¤Î¤Ç¡¢Å¬ÍѤ·¤Þ¤·¤¿¡£¤¢¤ê¤¬¤È¤¦¤´¤¶¤¤¤Þ¤¹¡£
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14 ** 2006.9.10 ¡ÖÃÒÂ奢¥Õ¥¿¡¼¡×¤Î²»À¼¥Õ¥¡¥¤¥ë·Á¼° (complevel = 5) ¤ò¥µ¥Ý¡¼¥È
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15 ** .nwk ¤È¤¤¤¦³ÈÄ¥»Ò¤ò»ý¤Ä¥Õ¥¡¥¤¥ë¤ò¼õ¤±¼è¤ë¤È²»À¼¥Õ¥¡¥¤¥ë¤È¤·¤Æ
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16 ** ²ò¼á¡¢Ê¬³ä¤·¤ÆŸ³«¤¹¤ë¤è¤¦¤Ë¤¹¤ë
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17 ** 2007.7.28 ¡Ö¥ê¥È¥ë¥Ð¥¹¥¿¡¼¥º¡ª¡×¤Î²»À¼¥Õ¥¡¥¤¥ë·Á¼° (*.ovk; ogg Ï¢·ë·¿)
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18 ** ¤ò¥µ¥Ý¡¼¥È¡£.ovk ¤È¤¤¤¦³ÈÄ¥»Ò¤ò¤â¤Ä¥Õ¥¡¥¤¥ë¤ò¼õ¤±¼è¤ë¤È
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19 ** ²»À¼¥Õ¥¡¥¤¥ë¤È¤·¤Æ²ò¼á¡¢Ê¬³ä¤·¤ÆŸ³«¤¹¤ë¤è¤¦¤Ë¤¹¤ë
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20 ** ¡Ö¥ê¥È¥ë¥Ð¥¹¥¿¡¼¥º¡ª¡×¤ÎBGM¥Õ¥¡¥¤¥ë¤Ë¿Î̤ΥΥ¤¥º¤¬¾è¤ëÌäÂê¤â
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21 ** ¡¡²ò·è¡Ê¥é¥ó¥ì¥ó¥°¥¹°µ½Ì¤Î½èÍý¤¬ÉÔɬÍפÀ¤Ã¤¿¡Ë
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22 */
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23
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24 /*
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25 * Copyright 2001-2007 jagarl / Kazunori Ueno <jagarl@creator.club.ne.jp>
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26 * All Rights Reserved.
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27 *
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28 * Redistribution and use in source and binary forms, with or without
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29 * modification, are permitted.
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30 *
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31 * ¤³¤Î¥×¥í¥°¥é¥à¤Îºî¼Ô¤Ï jagarl ¤Ç¤¹¡£
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32 *
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33 * ¤³¤Î¥×¥í¥°¥é¥à¡¢µÚ¤Ó¥³¥ó¥Ñ¥¤¥ë¤Ë¤è¤Ã¤ÆÀ¸À®¤·¤¿¥Ð¥¤¥Ê¥ê¤Ï
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34 * ¥×¥í¥°¥é¥à¤òÊѹ¹¤¹¤ë¡¢¤·¤Ê¤¤¤Ë¤«¤«¤ï¤é¤ººÆÇÛÉÛ²Äǽ¤Ç¤¹¡£
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35 * ¤½¤ÎºÝ¡¢¾åµ­ Copyright ɽ¼¨¤òÊÝ»ý¤¹¤ë¤Ê¤É¤Î¾ò·ï¤Ï²Ý¤·¤Þ
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36 * ¤»¤ó¡£Âбþ¤¬ÌÌÅݤʤΤǥХ°Êó¹ð¤ò½ü¤­¡¢¥á¡¼¥ë¤ÇÏ¢Íí¤ò¤¹¤ë
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37 * ¤Ê¤É¤ÎɬÍפ⤢¤ê¤Þ¤»¤ó¡£¥½¡¼¥¹¤Î°ìÉô¤òήÍѤ¹¤ë¤³¤È¤ò´Þ¤á¡¢
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38 * ¤´¼«Í³¤Ë¤ª»È¤¤¤¯¤À¤µ¤¤¡£
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39 *
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40 * THIS SOFTWARE IS PROVIDED BY KAZUNORI 'jagarl' UENO ``AS IS'' AND ANY
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41 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KAZUNORI UENO BE LIABLE
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44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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45 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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46 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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47 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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48 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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50 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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51 * DAMAGE.
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52 *
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53 */
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54
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55 /********************************************
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56 **
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57 ** nwa ¥Õ¥©¡¼¥Þ¥Ã¥È¤Ë¤Ä¤¤¤Æ
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58 **
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59 ** Á´ÂΤȤ·¤Æ¤Ï°Ê²¼¤Î¹½Â¤¤ò»ý¤Ä
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60 ** NWA Header
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61 ** data offset index
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62 ** data block<0>
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63 ** data block<1>
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64 ** ...
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65 ** data block<N>
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66 **
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67 ** NWA Header: ¥Õ¥¡¥¤¥ëÀèƬ¤«¤é 44 bytes
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68 ** magic number ¤Ê¤É¤Ï¤Ê¤¤¤Î¤Çnwa ¥Õ¥¡¥¤¥ë¤«¤Ï
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69 ** ¥Ç¡¼¥¿¤ÎÀ°¹çÀ­¤«¤éȽÃǤ¹¤ëɬÍפ¬¤¢¤ë
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70 ** ¥Ç¡¼¥¿¤ÏÁ´¤Æ little endian ¤Ç¡¢
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71 ** short(signed 2byte)¤Þ¤¿¤Ï int(signed 4byte) ¤Ç¤¢¤ë¡£
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72 **
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73 ** +00 short channel ¿ô(1/2)
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74 ** +02 short sample °ì¤Ä¤¢¤¿¤ê¤Î bit ¿ô(16)
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75 ** +04 int ¼þÇÈ¿ô(°ìÉ䢤¿¤ê¤Î¥Ç¡¼¥¿¿ô)
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76 ** +08 int °µ½Ì¥ì¥Ù¥ë¡§-1~5.2¤ÇºÇ¾®¤Î¥Ç¡¼¥¿¡¢0¤ÇºÇÂç¤ÎÉü¸µÅÙ(-1¤Ï̵°µ½Ìraw¥Ç¡¼¥¿¤È¤ß¤Ê¤µ¤ì¤ë)
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77 ** +12 int ?
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78 ** +16 int ¥Ö¥í¥Ã¥¯¿ô
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79 ** +20 int Ÿ³«¸å¤Î¥Ç¡¼¥¿¤ÎÂ礭¤µ(¥Ð¥¤¥Èñ°Ì)
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80 ** +24 int °µ½Ì»þ¤Î¥Ç¡¼¥¿¤ÎÂ礭¤µ(nwa ¥Õ¥¡¥¤¥ë¤ÎÂ礭¤µ¡£¥Ð¥¤¥Èñ°Ì)
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81 ** +28 int ¥µ¥ó¥×¥ë¿ô¡§Å¸³«¸å¤Î¥Ç¡¼¥¿¿ô(16bit data¤Ê¤é short ñ°Ì==¥µ¥ó¥×¥ëñ°Ì¤Î¥Ç¡¼¥¿¤ÎÂ礭¤µ)
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82 ** +32 int ¥Ç¡¼¥¿£±¥Ö¥í¥Ã¥¯¤òŸ³«¤·¤¿»þ¤Î¥µ¥ó¥×¥ëñ°Ì¤Î¥Ç¡¼¥¿¿ô
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83 ** +36 int ºÇ½ª¥Ö¥í¥Ã¥¯¤òŸ³«¤·¤¿»þ¤Î¥µ¥ó¥×¥ëñ°Ì¤Î¥Ç¡¼¥¿¿ô
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84 ** +40 int ?
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85 **
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86 ** data offset index
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87 ** Á´¥Ö¥í¥Ã¥¯¿ô x 4 byte ¤Î¥Ç¡¼¥¿
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88 ** ¤½¤ì¤¾¤ì int ¤Î¥Ç¡¼¥¿¤¬Á´¥Ö¥í¥Ã¥¯¿ô³¤¤¤Æ¤¤¤ë
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89 **
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90 ** ¥Ç¡¼¥¿¥Ö¥í¥Ã¥¯¤ÎÀèƬ¤ò»Ø¤¹¥Õ¥¡¥¤¥ëÀèƬ¤«¤é¤Î°ÌÃÖ(¥ª¥Õ¥»¥Ã¥È)
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91 ** ¤¬³ÊǼ¤µ¤ì¤Æ¤¤¤ë
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92 **
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93 ** data block
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94 ** Ťµ¤Ï²ÄÊÑ¡£Å¸³«¤¹¤ë¤³¤È¤Ç°ìÄê¤ÎÂ礭¤µ¤ò¤â¤Ä¥Ç¡¼¥¿¤ËŸ³«¤µ¤ì¤ë¡£
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95 ** ¥Ç¡¼¥¿¤ÏDPCM·Á¼°¡£¸µ PCM ¥Ç¡¼¥¿¤¬ a,b,c ¤Ê¤é¤Ð (a),b-a, c-b ¤È
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96 ** ¤¤¤Ã¤¿º¹Ê¬¥Ç¡¼¥¿¤¬¡¢²¾¿ô3-5bit,»Ø¿ô3bit¤Î·Á¼°¤ÇÊݸ¤µ¤ì¤Æ¤¤¤ë¡£
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97 ** ·ë²ÌŪ¤Ë¡¢16bit ¤Î¥Ç¡¼¥¿¤¬Â¿¤¯¤Î¾ì¹ç 6-8bit ¤Ç³ÊǼ¤µ¤ì¤ë¡£
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98 ** ²¾¿ô¤Î¥Ó¥Ã¥È¿ô¤Ï°µ½Ì¥ì¥Ù¥ë0¤Ç5bit¡¢°µ½Ì¥ì¥Ù¥ë2¤Ç3bit¤È¤Ê¤ë¡£
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99 ** °Ê²¼¡¢°µ½Ì¥ì¥Ù¥ë2¤Î¾ì¹ç¤Ë¤Ä¤¤¤ÆÏäò¿Ê¤á¤ë¡£
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100 ** ¥â¥Î¥é¥ë¤Î¾ì¹ç¡§
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101 ** +00 short ¥Ö¥í¥Ã¥¯Æâ¤ÎºÇ½é¤Î¥Ç¡¼¥¿
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102 ** +02- bit stream
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103 ** ¥¹¥Æ¥ì¥ª¤Î¾ì¹ç¡§
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104 ** +00 short º¸(?)¥Á¥ã¥ó¥Í¥ë¤ÎºÇ½é¤Î¥Ç¡¼¥¿
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105 ** +02 short ±¦(?)¥Á¥ã¥ó¥Í¥ë¤ÎºÇ½é¤Î¥Ç¡¼¥¿
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106 ** +04- bit stream
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107 **
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108 ** º¹Ê¬¥Ç¡¼¥¿¤ÎÀºÅÙ¤¬¹â¤¯¤Ê¤¤¤Î¤Ç³Æ¥Ö¥í¥Ã¥¯¤ÎÀèƬ¤Ç
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109 ** Àµ³Î¤Ê¥Ç¡¼¥¿¤Ë¤è¤êÊäÀµ¤µ¤ì¤ë(¡©)
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110 **
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111 ** bit stream
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112 ** little endian
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113 ** +0 - +2 : »Ø¿ô
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114 ** +3 - +5 : ²¾¿ô
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115 ** ¤Î·Á¼°¡£Î㤨¤Ð a,b,c ¤È¤¤¤¦8bit¥Ç¡¼¥¿¤¬¤¢¤ì¤Ð¡¢
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116 ** a&0x07 : ¥Ç¡¼¥¿£±¤Î»Ø¿ô
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117 ** (a>>3)&0x07 : ¥Ç¡¼¥¿£±¤Î²¾¿ô(signed ;
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118 ** ((b<<2)|(a>>6))&0x07 : ¥Ç¡¼¥¿£²¤Î»Ø¿ô
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119 ** (b>>1)&0x07 : ¥Ç¡¼¥¿£²¤Î²¾¿ô
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120 ** ¤È¤Ê¤ë¡£
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121 ** ¤¿¤À¤·¡¢»Ø¿ô¤ÎÃͤˤè¤ê²¾¿ô¤Îbit¿ô¤¬ÊѲ½¤¹¤ë¤³¤È¤¬¤¢¤ë¡£
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122 ** »Ø¿ô = 1 - 6 ¤Î¾ì¹ç¡§
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123 ** a=»Ø¿ô¡¢b=²¾¿ô¡¢p=Á°¤Î¥Ç¡¼¥¿¤È¤·¤Æ¡¢º£²ó¤Î¥Ç¡¼¥¿d ¤Ï
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124 ** b¤Î2bitÌܤ¬Î©¤Ã¤Æ¤¤¤ë¾ì¹ç¡§
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125 ** d = p - (b&3)<<(4+a)
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126 ** Ω¤Ã¤Æ¤Ê¤¤¾ì¹ç¡§
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127 ** d = p + (b&3)<<(4+a)
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128 ** »Ø¿ô = 0 ¤Î¾ì¹ç¡§²¾¿ô¤Ï¸ºß¤·¤Ê¤¤(¥Ç¡¼¥¿¤Ï3bit¤È¤Ê¤ë)
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129 ** d = p
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130 ** ¡ÖÃÒÂ奢¥Õ¥¿¡¼¡×¤Î²»À¼¥Õ¥¡¥¤¥ë (complevel == 5) ¤Ç¤Ï¥é¥ó¥ì¥ó¥°¥¹°µ½ÌÍѤ˻Ȥï¤ì¤Æ¤¤¤ë¡£
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131 ** »Ø¿ô = 7
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132 ** ¼¡¤Î bit ¤¬Î©¤Ã¤Æ¤¤¤ë¾ì¹ç¡§
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133 ** d = 0 (¸½ºß̤»ÈÍÑ)
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134 ** (¥Ç¡¼¥¿¤Ï4bit¤È¤Ê¤ë)
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135 ** ¼¡¤Î bit ¤¬Î©¤Ã¤Æ¤Ê¤¤¾ì¹ç¡§
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136 ** complevel = 0,1,2:
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137 ** ²¾¿ô b = 6bit
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138 ** b ¤Î 5bit Ìܤ¬Î©¤Ã¤Æ¤¤¤ë¾ì¹ç¡§
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139 ** d = p - (b&0x1f)<<(4+7)
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140 ** Ω¤Ã¤Æ¤Ê¤¤¾ì¹ç¡§
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141 ** d = p + (b&0x1f)<<(4+7)
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142 ** (¥Ç¡¼¥¿¤Ï10bit¤È¤Ê¤ë)
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143 ** complevel = 3,4,5:
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144 ** ²¾¿ô b = 8bit
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145 ** b ¤Î 7bit Ìܤ¬Î©¤Ã¤Æ¤¤¤ë¾ì¹ç¡§
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146 ** d = p - (b&0x7f)<<9
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147 ** Ω¤Ã¤Æ¤Ê¤¤¾ì¹ç¡§
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148 ** d = p + (b&0x1f)<<9
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149 ** (¥Ç¡¼¥¿¤Ï10bit¤È¤Ê¤ë)
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150 **
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151 ** °µ½Ì¥ì¥Ù¥ë¤¬°Û¤Ê¤ë¾ì¹ç¡¢¤¿¤È¤¨¤Ð°µ½Ì¥ì¥Ù¥ë==0¤Ç
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152 ** »Ø¿ô==1~6¤Çd¤ÎºÇ¾å°Ìbit¤¬Î©¤Ã¤Æ¤¤¤ë¾ì¹ç
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153 ** d = p - (b&0x0f)<<(2+a)
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154 ** »Ø¿ô==7¤Çd¤ÎºÇ¾å°Ìbit¤¬Î©¤Ã¤Æ¤¤¤ë¾ì¹ç
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155 ** d = p - (b&0x7f)<<(2+7)
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156 ** (b : 8bit¤Ê¤Î¤Ç¥Ç¡¼¥¿¤Ï12bit¤È¤Ê¤ë)
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157 ** ¤Î¤è¤¦¤Ë¡¢ÀºÅÙ¤À¤±¤¬ÊѲ½¤¹¤ë¤è¤¦¤Ë¤Ê¤Ã¤Æ¤¤¤ë¡£
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158 **
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159 ** ¥Ø¥Ã¥ÀÆɤ߹þ¤ß¤Ë¤Ä¤¤¤Æ¤ÏNWAData::ReadHeader()»²¾È
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160 ** bit stream ¤«¤é¤Î¥Ç¡¼¥¿Å¸³«¤Ë¤Ä¤¤¤Æ¤Ï NWADecode()»²¾È
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161 **************************************************************
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162 */
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163
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164 // #define NDEBUG /* ¤Ê¤¼¤« assert¤¬Æþ¤Ã¤¿Êý¤¬Â®¤¤¡¢¡¢¡¢ */
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165
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166 #include<stdio.h>
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167 #include<stdlib.h>
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168 #include<unistd.h> // for isatty() function
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169 #include<sys/stat.h>
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170 #include<string.h>
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171
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172
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173 #ifdef WORDS_BIGENDIAN
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174 #error Sorry, This program does not support BIG-ENDIAN system yet.
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175 /* ¤â¤· big endian ¤Î¥·¥¹¥Æ¥à¤ËÂбþ¤µ¤»¤ë¾ì¹ç
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176 ** °Ê²¼¤Î *_little_endian_* µÚ¤Ó
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177 ** getbits() ´Ø¿ô¤òÊѹ¹¤¹¤ëɬÍפ¬¤¢¤ë
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178 */
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179 #endif
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180
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181 inline int read_little_endian_int(const char* buf) {
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182 return *(int*)buf;
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183 }
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184
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185 inline int read_little_endian_short(const char* buf) {
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186 return *(short*)buf;
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187 }
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188
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189 inline int write_little_endian_int(char* buf, int number) {
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190 int c = *(int*)buf; *(int*)buf = number; return c;
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191 }
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192
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193 inline int write_little_endian_short(char* buf, int number) {
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194 int c = *(short*)buf; *(short*)buf = number; return c;
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195 }
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196 inline int getbits(const char*& data, int& shift, int bits) {
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197 if (shift > 8) { data++; shift-=8;}
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198 int ret = read_little_endian_short(data)>>shift;
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199 shift += bits;
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200 return ret & ((1<<bits)-1); /* mask */
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201 }
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202
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203 /* »ØÄꤵ¤ì¤¿·Á¼°¤Î¥Ø¥Ã¥À¤ò¤Ä¤¯¤ë */
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204 const char* make_wavheader(int size, int channels, int bps, int freq) {
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205 static char wavheader[0x2c] = {
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206 'R','I','F','F',
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207 0,0,0,0, /* +0x04: riff size*/
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208 'W','A','V','E',
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209 'f','m','t',' ',
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210 16,0,0,0, /* +0x10 : fmt size=0x10 */
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211 1, 0, /* +0x14 : tag : pcm = 1 */
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212 2, 0, /* +0x16 : channels */
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213 0,0,0,0, /* +0x18 : samples per second */
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214 0,0,0,0, /* +0x1c : average bytes per second */
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215 0,0, /* +0x20 : block alignment */
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216 0,0, /* +0x22 : bits per sample */
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217 'd','a','t','a',
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218 0,0,0,0};/* +0x28 : data size */
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219 write_little_endian_int(wavheader+0x04, size+0x24);
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220 write_little_endian_int(wavheader+0x28, size);
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221 write_little_endian_short(wavheader+0x16, channels);
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222 write_little_endian_short(wavheader+0x22, bps);
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223 write_little_endian_int(wavheader+0x18, freq);
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224 int byps = (bps+7)>>3;
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225 write_little_endian_int(wavheader+0x1c, freq*byps*channels);
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226 write_little_endian_short(wavheader+0x20, byps*channels);
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227 return wavheader;
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228 }
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229
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230 /* NWA ¤Î bitstreamŸ³«¤ËɬÍפȤʤë¾ðÊó */
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231 class NWAInfo {
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232 int channels;
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233 int bps;
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234 int complevel;
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235 bool use_runlength;
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236 public:
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237 NWAInfo(int c,int b,int cl) {
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238 channels=c;
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239 bps=b;
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240 complevel=cl;
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241 use_runlength = false;
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242 if (cl == 5) {
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243 use_runlength = true; // Tomoyo After (.nwk koe file)
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244 if (channels == 2) use_runlength = false; // BGM*.nwa in Little Busters!
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245 }
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246 }
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247 int Channels(void) const{return channels;}
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248 int Bps(void) const { return bps;}
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249 int CompLevel(void) const { return complevel;}
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250 int UseRunLength(void) const { return use_runlength; }
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251 };
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252
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253 template<class NWAI> void NWADecode(const NWAI& info,const char* data, char* outdata, int datasize, int outdatasize) {
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254 int d[2];
43
01aa5ddf7dc8 A lot of very minor improvements (deleted some unused variables, and other things like that...)
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255 int i;
0
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256 int shift = 0;
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257 const char* dataend = data+datasize;
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258 /* ºÇ½é¤Î¥Ç¡¼¥¿¤òÆɤ߹þ¤à */
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259 if (info.Bps() == 8) {d[0] = *data++; datasize--;}
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260 else /* info.Bps() == 16 */ {d[0] = read_little_endian_short(data); data+=2; datasize-=2;}
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261 if (info.Channels() == 2) {
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262 if (info.Bps() == 8) {d[1] = *data++; datasize--;}
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263 else /* info.Bps() == 16 */ {d[1] = read_little_endian_short(data); data+=2; datasize-=2;}
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264 }
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265 int dsize = outdatasize / (info.Bps()/8);
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266 int flip_flag = 0; /* stereo ÍÑ */
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267 int runlength = 0;
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268 for (i=0; i<dsize; i++) {
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269 if (data >= dataend) break;
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270 if (runlength == 0) { // ¥³¥Ô¡¼¥ë¡¼¥×Ãæ¤Ç¤Ê¤¤¤Ê¤é¥Ç¡¼¥¿Æɤ߹þ¤ß
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271 int type = getbits(data, shift, 3);
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272 /* type ¤Ë¤è¤êʬ´ô¡§0, 1-6, 7 */
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273 if (type == 7) {
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274 /* 7 : Â礭¤Êº¹Ê¬ */
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275 /* RunLength() Í­¸ú»þ¡ÊCompLevel==5, ²»À¼¥Õ¥¡¥¤¥ë) ¤Ç¤Ï̵¸ú */
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276 if (getbits(data, shift, 1) == 1) {
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277 d[flip_flag] = 0; /* ̤»ÈÍÑ */
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278 } else {
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279 int BITS, SHIFT;
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280 if (info.CompLevel() >= 3) {
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281 BITS = 8;
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282 SHIFT = 9;
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283 } else {
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284 BITS = 8-info.CompLevel();
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285 SHIFT = 2+7+info.CompLevel();
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286 }
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287 const int MASK1 = (1<<(BITS-1));
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288 const int MASK2 = (1<<(BITS-1))-1;
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289 int b = getbits(data, shift, BITS);
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290 if (b&MASK1)
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291 d[flip_flag] -= (b&MASK2)<<SHIFT;
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292 else
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293 d[flip_flag] += (b&MASK2)<<SHIFT;
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294 }
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295 } else if (type != 0) {
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296 /* 1-6 : Ä̾ï¤Îº¹Ê¬ */
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297 int BITS, SHIFT;
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298 if (info.CompLevel() >= 3) {
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299 BITS = info.CompLevel()+3;
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300 SHIFT = 1+type;
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301 } else {
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302 BITS = 5-info.CompLevel();
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303 SHIFT = 2+type+info.CompLevel();
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304 }
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305 const int MASK1 = (1<<(BITS-1));
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306 const int MASK2 = (1<<(BITS-1))-1;
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307 int b = getbits(data, shift, BITS);
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308 if (b&MASK1)
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309 d[flip_flag] -= (b&MASK2)<<SHIFT;
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310 else
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311 d[flip_flag] += (b&MASK2)<<SHIFT;
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312 } else { /* type == 0 */
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313 /* ¥é¥ó¥ì¥ó¥°¥¹°µ½Ì¤Ê¤·¤Î¾ì¹ç¤Ï¤Ê¤Ë¤â¤·¤Ê¤¤ */
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314 if (info.UseRunLength() == true) {
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315 /* ¥é¥ó¥ì¥ó¥°¥¹°µ½Ì¤¢¤ê¤Î¾ì¹ç */
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316 runlength = getbits(data,shift,1);
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317 if (runlength==1) {
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318 runlength = getbits(data,shift,2);
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319 if (runlength == 3) {
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320 runlength = getbits(data, shift, 8);
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321 }
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322 }
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323 }
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324 }
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325 } else {
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326 runlength--;
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327 }
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328 if (info.Bps() == 8) {
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329 *outdata++ = d[flip_flag];
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330 } else {
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331 write_little_endian_short(outdata, d[flip_flag]);
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332 outdata += 2;
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333 }
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334 if (info.Channels() == 2) flip_flag ^= 1; /* channel ÀÚ¤êÂؤ¨ */
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335 }
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336 return;
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337 };
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338
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339 class NWAData {
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340 public:
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341 int channels;
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342 int bps; /* bits per sample */
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343 int freq; /* samples per second */
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344 private:
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345 int complevel; /* compression level */
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346 int dummy; /* ? : 0x00 */
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347 public:
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348 int blocks; /* block count */
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349 int datasize; /* all data size */
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350 private:
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351 int compdatasize; /* compressed data size */
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352 int samplecount; /* all samples */
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353 int blocksize; /* samples per block */
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354 int restsize; /* samples of the last block */
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355 int dummy2; /* ? : 0x89 */
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356 int curblock;
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357 int* offsets;
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358 int offset_start;
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359 int filesize;
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360 char* tmpdata;
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361 public:
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362 void ReadHeader(FILE* in, int file_size=-1);
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363 int CheckHeader(void); /* false: invalid true: valid */
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364 NWAData(void) {
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365 offsets = 0;
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366 tmpdata = 0;
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367 }
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368 ~NWAData(void) {
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369 if (offsets) delete[] offsets;
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370 if (tmpdata) delete[] tmpdata;
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371 }
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372 int BlockLength(void) {
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373 if (complevel != -1) {
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374 if (offsets == 0) return false;
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375 if (tmpdata == 0) return false;
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376 }
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377 return blocksize * (bps/8);
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378 }
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379 /* data ¤Ï BlockLength °Ê¾å¤ÎŤµ¤ò»ý¤Ä¤³¤È
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parents:
diff changeset
380 ** ÊÖ¤êÃͤϺîÀ®¤·¤¿¥Ç¡¼¥¿¤ÎŤµ¡£½ªÎ»»þ¤Ï 0¡£
223b71206888 Initial import
thib
parents:
diff changeset
381 ** ¥¨¥é¡¼»þ¤Ï -1
223b71206888 Initial import
thib
parents:
diff changeset
382 */
223b71206888 Initial import
thib
parents:
diff changeset
383 int Decode(FILE* in, char* data, int& skip_count);
223b71206888 Initial import
thib
parents:
diff changeset
384 void Rewind(FILE* in);
223b71206888 Initial import
thib
parents:
diff changeset
385 };
223b71206888 Initial import
thib
parents:
diff changeset
386
223b71206888 Initial import
thib
parents:
diff changeset
387 void NWAData::ReadHeader(FILE* in, int _file_size) {
223b71206888 Initial import
thib
parents:
diff changeset
388 char header[0x2c];
223b71206888 Initial import
thib
parents:
diff changeset
389 struct stat sb;
223b71206888 Initial import
thib
parents:
diff changeset
390 int i;
223b71206888 Initial import
thib
parents:
diff changeset
391 if (offsets) delete[] offsets;
223b71206888 Initial import
thib
parents:
diff changeset
392 if (tmpdata) delete[] tmpdata;
223b71206888 Initial import
thib
parents:
diff changeset
393 offsets = 0;
223b71206888 Initial import
thib
parents:
diff changeset
394 tmpdata = 0;
223b71206888 Initial import
thib
parents:
diff changeset
395 filesize = 0;
223b71206888 Initial import
thib
parents:
diff changeset
396 offset_start = ftell(in);
223b71206888 Initial import
thib
parents:
diff changeset
397 if (offset_start == -1) offset_start = 0;
223b71206888 Initial import
thib
parents:
diff changeset
398 if (_file_size != -1) filesize = _file_size;
223b71206888 Initial import
thib
parents:
diff changeset
399 curblock = -1;
223b71206888 Initial import
thib
parents:
diff changeset
400 /* header Æɤ߹þ¤ß */
223b71206888 Initial import
thib
parents:
diff changeset
401 if (in == 0 || feof(in) || ferror(in)) {
223b71206888 Initial import
thib
parents:
diff changeset
402 fprintf(stderr,"invalid stream\n");
223b71206888 Initial import
thib
parents:
diff changeset
403 return;
223b71206888 Initial import
thib
parents:
diff changeset
404 }
223b71206888 Initial import
thib
parents:
diff changeset
405 fread(header, 0x2c, 1, in);
223b71206888 Initial import
thib
parents:
diff changeset
406 if (feof(in) || ferror(in)) {
223b71206888 Initial import
thib
parents:
diff changeset
407 fprintf(stderr,"invalid stream\n");
223b71206888 Initial import
thib
parents:
diff changeset
408 return;
223b71206888 Initial import
thib
parents:
diff changeset
409 }
223b71206888 Initial import
thib
parents:
diff changeset
410 channels = read_little_endian_short(header+0x00);
223b71206888 Initial import
thib
parents:
diff changeset
411 bps = read_little_endian_short(header+0x02);
223b71206888 Initial import
thib
parents:
diff changeset
412 freq = read_little_endian_int(header+0x04);
223b71206888 Initial import
thib
parents:
diff changeset
413 complevel = read_little_endian_int(header+0x08);
223b71206888 Initial import
thib
parents:
diff changeset
414 dummy = read_little_endian_int(header+0x0c);
223b71206888 Initial import
thib
parents:
diff changeset
415 blocks = read_little_endian_int(header+0x10);
223b71206888 Initial import
thib
parents:
diff changeset
416 datasize = read_little_endian_int(header+0x14);
223b71206888 Initial import
thib
parents:
diff changeset
417 compdatasize = read_little_endian_int(header+0x18);
223b71206888 Initial import
thib
parents:
diff changeset
418 samplecount = read_little_endian_int(header+0x1c);
223b71206888 Initial import
thib
parents:
diff changeset
419 blocksize = read_little_endian_int(header+0x20);
223b71206888 Initial import
thib
parents:
diff changeset
420 restsize = read_little_endian_int(header+0x24);
223b71206888 Initial import
thib
parents:
diff changeset
421 dummy2 = read_little_endian_int(header+0x28);
223b71206888 Initial import
thib
parents:
diff changeset
422 if (complevel == -1) { /* ̵°µ½Ìraw¥Ç¡¼¥¿ */
223b71206888 Initial import
thib
parents:
diff changeset
423 /* ŬÅö¤Ë·è¤áÂǤÁ¤¹¤ë */
223b71206888 Initial import
thib
parents:
diff changeset
424 blocksize = 65536;
223b71206888 Initial import
thib
parents:
diff changeset
425 restsize = (datasize % (blocksize * (bps/8))) / (bps/8);
223b71206888 Initial import
thib
parents:
diff changeset
426 blocks = datasize / (blocksize * (bps/8)) + (restsize > 0 ? 1 : 0);
223b71206888 Initial import
thib
parents:
diff changeset
427 }
223b71206888 Initial import
thib
parents:
diff changeset
428 if (blocks <= 0 || blocks > 1000000) {
223b71206888 Initial import
thib
parents:
diff changeset
429 /* £±»þ´Ö¤òĶ¤¨¤ë¶Ê¤Ã¤Æ¤Î¤Ï¤Ê¤¤¤Ç¤·¤ç*/
223b71206888 Initial import
thib
parents:
diff changeset
430 fprintf(stderr,"too large blocks : %d\n",blocks);
223b71206888 Initial import
thib
parents:
diff changeset
431 return;
223b71206888 Initial import
thib
parents:
diff changeset
432 }
223b71206888 Initial import
thib
parents:
diff changeset
433 /* regular file ¤Ê¤é filesize Æɤ߹þ¤ß */
223b71206888 Initial import
thib
parents:
diff changeset
434 if (filesize == 0 && fstat(fileno(in), &sb)==0 && (sb.st_mode&S_IFMT) == S_IFREG) {
223b71206888 Initial import
thib
parents:
diff changeset
435 int pos = ftell(in);
223b71206888 Initial import
thib
parents:
diff changeset
436 fseek(in, 0, 2);
223b71206888 Initial import
thib
parents:
diff changeset
437 filesize = ftell(in);
223b71206888 Initial import
thib
parents:
diff changeset
438 fseek(in, pos, 0);
223b71206888 Initial import
thib
parents:
diff changeset
439 if (pos+blocks*4 >= filesize) {
223b71206888 Initial import
thib
parents:
diff changeset
440 fprintf(stderr,"offset block is not exist\n");
223b71206888 Initial import
thib
parents:
diff changeset
441 return;
223b71206888 Initial import
thib
parents:
diff changeset
442 }
223b71206888 Initial import
thib
parents:
diff changeset
443 }
223b71206888 Initial import
thib
parents:
diff changeset
444 if (complevel == -1) return;
223b71206888 Initial import
thib
parents:
diff changeset
445 /* offset index Æɤ߹þ¤ß */
223b71206888 Initial import
thib
parents:
diff changeset
446 offsets = new int[blocks];
223b71206888 Initial import
thib
parents:
diff changeset
447 fread(offsets, blocks, 4, in);
223b71206888 Initial import
thib
parents:
diff changeset
448 for (i=0; i<blocks; i++) {
223b71206888 Initial import
thib
parents:
diff changeset
449 offsets[i] = read_little_endian_int((char*)(offsets+i));
223b71206888 Initial import
thib
parents:
diff changeset
450 }
223b71206888 Initial import
thib
parents:
diff changeset
451 if (feof(in) || ferror(in)) {
223b71206888 Initial import
thib
parents:
diff changeset
452 fprintf(stderr,"invalid stream\n");
223b71206888 Initial import
thib
parents:
diff changeset
453 delete[] offsets;
223b71206888 Initial import
thib
parents:
diff changeset
454 offsets = 0;
223b71206888 Initial import
thib
parents:
diff changeset
455 return;
223b71206888 Initial import
thib
parents:
diff changeset
456 }
223b71206888 Initial import
thib
parents:
diff changeset
457 return;
223b71206888 Initial import
thib
parents:
diff changeset
458 }
223b71206888 Initial import
thib
parents:
diff changeset
459 void NWAData::Rewind(FILE* in) {
223b71206888 Initial import
thib
parents:
diff changeset
460 curblock = -1;
223b71206888 Initial import
thib
parents:
diff changeset
461 fseek(in, 0x2c, 0);
223b71206888 Initial import
thib
parents:
diff changeset
462 if (offsets) fseek(in, blocks*4, 1);
223b71206888 Initial import
thib
parents:
diff changeset
463 }
223b71206888 Initial import
thib
parents:
diff changeset
464 int NWAData::CheckHeader(void) {
223b71206888 Initial import
thib
parents:
diff changeset
465 if (complevel != -1 && offsets == 0) return false;
223b71206888 Initial import
thib
parents:
diff changeset
466 /* ¥Ç¡¼¥¿¤½¤Î¤â¤Î¤Î¥Á¥§¥Ã¥¯ */
223b71206888 Initial import
thib
parents:
diff changeset
467 if (channels != 1 && channels != 2) {
223b71206888 Initial import
thib
parents:
diff changeset
468 fprintf(stderr,"This program only supports mono / stereo data : data have %d channels.\n",channels);
223b71206888 Initial import
thib
parents:
diff changeset
469 return false;
223b71206888 Initial import
thib
parents:
diff changeset
470 }
223b71206888 Initial import
thib
parents:
diff changeset
471 if (bps != 8 && bps != 16) {
223b71206888 Initial import
thib
parents:
diff changeset
472 fprintf(stderr,"This program only supports 8 / 16bit data : data is %d bits\n",bps);
223b71206888 Initial import
thib
parents:
diff changeset
473 return false;
223b71206888 Initial import
thib
parents:
diff changeset
474 }
223b71206888 Initial import
thib
parents:
diff changeset
475 if (complevel == -1) {
223b71206888 Initial import
thib
parents:
diff changeset
476 int byps = bps/8; /* bytes per sample */
223b71206888 Initial import
thib
parents:
diff changeset
477 if (datasize != samplecount*byps) {
223b71206888 Initial import
thib
parents:
diff changeset
478 fprintf(stderr,"invalid datasize : datasize %d != samplecount %d * samplesize %d\n",datasize,samplecount,byps);
223b71206888 Initial import
thib
parents:
diff changeset
479 return false;
223b71206888 Initial import
thib
parents:
diff changeset
480 }
223b71206888 Initial import
thib
parents:
diff changeset
481 if (samplecount != (blocks-1)*blocksize+restsize ) {
223b71206888 Initial import
thib
parents:
diff changeset
482 fprintf(stderr,"total sample count is invalid : samplecount %d != %d*%d+%d(block*blocksize+lastblocksize).\n",samplecount,blocks-1,blocksize,restsize);
223b71206888 Initial import
thib
parents:
diff changeset
483 return false;
223b71206888 Initial import
thib
parents:
diff changeset
484 }
223b71206888 Initial import
thib
parents:
diff changeset
485 else
223b71206888 Initial import
thib
parents:
diff changeset
486 return true;
223b71206888 Initial import
thib
parents:
diff changeset
487 }
223b71206888 Initial import
thib
parents:
diff changeset
488 //if (complevel < 0 || complevel > 2) {
223b71206888 Initial import
thib
parents:
diff changeset
489 if (complevel < 0 || complevel > 5) {
223b71206888 Initial import
thib
parents:
diff changeset
490 fprintf(stderr,"This program only supports -1,0,1,2 compression level : the level of data is %d\n",complevel);
223b71206888 Initial import
thib
parents:
diff changeset
491 return false;
223b71206888 Initial import
thib
parents:
diff changeset
492 }
223b71206888 Initial import
thib
parents:
diff changeset
493 /* À°¹çÀ­¥Á¥§¥Ã¥¯ */
223b71206888 Initial import
thib
parents:
diff changeset
494 if (filesize != 0 && filesize != compdatasize) {
223b71206888 Initial import
thib
parents:
diff changeset
495 fprintf(stderr,"file size is invalid : %d != %d\n",filesize,compdatasize);
223b71206888 Initial import
thib
parents:
diff changeset
496 return false;
223b71206888 Initial import
thib
parents:
diff changeset
497 }
223b71206888 Initial import
thib
parents:
diff changeset
498 if (offsets[blocks-1] >= compdatasize) {
223b71206888 Initial import
thib
parents:
diff changeset
499 fprintf(stderr,"the last offset overruns the file.\n");
223b71206888 Initial import
thib
parents:
diff changeset
500 return false;
223b71206888 Initial import
thib
parents:
diff changeset
501 }
223b71206888 Initial import
thib
parents:
diff changeset
502 int byps = bps/8; /* bytes per sample */
223b71206888 Initial import
thib
parents:
diff changeset
503 if (datasize != samplecount*byps) {
223b71206888 Initial import
thib
parents:
diff changeset
504 fprintf(stderr,"invalid datasize : datasize %d != samplecount %d * samplesize %d\n",datasize,samplecount,byps);
223b71206888 Initial import
thib
parents:
diff changeset
505 return false;
223b71206888 Initial import
thib
parents:
diff changeset
506 }
223b71206888 Initial import
thib
parents:
diff changeset
507 if (samplecount != (blocks-1)*blocksize+restsize ) {
223b71206888 Initial import
thib
parents:
diff changeset
508 fprintf(stderr,"total sample count is invalid : samplecount %d != %d*%d+%d(block*blocksize+lastblocksize).\n",samplecount,blocks-1,blocksize,restsize);
223b71206888 Initial import
thib
parents:
diff changeset
509 return false;
223b71206888 Initial import
thib
parents:
diff changeset
510 }
223b71206888 Initial import
thib
parents:
diff changeset
511 tmpdata = new char[blocksize*byps*2]; /* ¤³¤ì°Ê¾å¤ÎÂ礭¤µ¤Ï¤Ê¤¤¤À¤í¤¦¡¢¡¢¡¢ */
223b71206888 Initial import
thib
parents:
diff changeset
512 return true;
223b71206888 Initial import
thib
parents:
diff changeset
513 }
223b71206888 Initial import
thib
parents:
diff changeset
514
223b71206888 Initial import
thib
parents:
diff changeset
515 class NWAInfo_sw2 {
223b71206888 Initial import
thib
parents:
diff changeset
516 public:
223b71206888 Initial import
thib
parents:
diff changeset
517 int Channels(void) const{return 2;}
223b71206888 Initial import
thib
parents:
diff changeset
518 int Bps(void) const { return 16;}
223b71206888 Initial import
thib
parents:
diff changeset
519 int CompLevel(void) const { return 2;}
223b71206888 Initial import
thib
parents:
diff changeset
520 int UseRunLength(void) const { return false; }
223b71206888 Initial import
thib
parents:
diff changeset
521 };
223b71206888 Initial import
thib
parents:
diff changeset
522 int NWAData::Decode(FILE* in, char* data, int& skip_count) {
223b71206888 Initial import
thib
parents:
diff changeset
523 if (complevel == -1) { /* ̵°µ½Ì»þ¤Î½èÍý */
223b71206888 Initial import
thib
parents:
diff changeset
524 if (feof(in) || ferror(in)) return -1;
223b71206888 Initial import
thib
parents:
diff changeset
525 if (curblock == -1) {
223b71206888 Initial import
thib
parents:
diff changeset
526 /* ºÇ½é¤Î¥Ö¥í¥Ã¥¯¤Ê¤é¡¢wave header ½ÐÎÏ */
223b71206888 Initial import
thib
parents:
diff changeset
527 memcpy(data, make_wavheader(datasize, channels, bps, freq), 0x2c);
223b71206888 Initial import
thib
parents:
diff changeset
528 curblock++;
223b71206888 Initial import
thib
parents:
diff changeset
529 fseek(in, offset_start + 0x2c, SEEK_SET);
223b71206888 Initial import
thib
parents:
diff changeset
530 return 0x2c;
223b71206888 Initial import
thib
parents:
diff changeset
531 }
223b71206888 Initial import
thib
parents:
diff changeset
532 if (skip_count > blocksize/channels) {
223b71206888 Initial import
thib
parents:
diff changeset
533 skip_count -= blocksize/channels;
223b71206888 Initial import
thib
parents:
diff changeset
534 fseek(in, blocksize*(bps/8), SEEK_CUR);
223b71206888 Initial import
thib
parents:
diff changeset
535 curblock++;
223b71206888 Initial import
thib
parents:
diff changeset
536 return -2;
223b71206888 Initial import
thib
parents:
diff changeset
537 }
223b71206888 Initial import
thib
parents:
diff changeset
538 if (curblock < blocks) {
223b71206888 Initial import
thib
parents:
diff changeset
539 int readsize = blocksize;
223b71206888 Initial import
thib
parents:
diff changeset
540 if (skip_count) {
223b71206888 Initial import
thib
parents:
diff changeset
541 fseek(in, skip_count*channels*(bps/8), SEEK_CUR);
223b71206888 Initial import
thib
parents:
diff changeset
542 readsize -= skip_count * channels;
223b71206888 Initial import
thib
parents:
diff changeset
543 skip_count = 0;
223b71206888 Initial import
thib
parents:
diff changeset
544 }
223b71206888 Initial import
thib
parents:
diff changeset
545 int err = fread(data, 1, readsize * (bps/8), in);
223b71206888 Initial import
thib
parents:
diff changeset
546 curblock++;
223b71206888 Initial import
thib
parents:
diff changeset
547 return err;
223b71206888 Initial import
thib
parents:
diff changeset
548 }
223b71206888 Initial import
thib
parents:
diff changeset
549 return -1;
223b71206888 Initial import
thib
parents:
diff changeset
550 }
223b71206888 Initial import
thib
parents:
diff changeset
551 if (offsets == 0 || tmpdata == 0) return -1;
223b71206888 Initial import
thib
parents:
diff changeset
552 if (blocks == curblock) return 0;
223b71206888 Initial import
thib
parents:
diff changeset
553 if (feof(in) || ferror(in)) return -1;
223b71206888 Initial import
thib
parents:
diff changeset
554 if (curblock == -1) {
223b71206888 Initial import
thib
parents:
diff changeset
555 /* ºÇ½é¤Î¥Ö¥í¥Ã¥¯¤Ê¤é¡¢wave header ½ÐÎÏ */
223b71206888 Initial import
thib
parents:
diff changeset
556 memcpy(data, make_wavheader(datasize, channels, bps, freq), 0x2c);
223b71206888 Initial import
thib
parents:
diff changeset
557 curblock++;
223b71206888 Initial import
thib
parents:
diff changeset
558 return 0x2c;
223b71206888 Initial import
thib
parents:
diff changeset
559 }
223b71206888 Initial import
thib
parents:
diff changeset
560 /* º£²óÆɤ߹þ¤à¡¿¥Ç¥³¡¼¥É¤¹¤ë¥Ç¡¼¥¿¤ÎÂ礭¤µ¤òÆÀ¤ë */
223b71206888 Initial import
thib
parents:
diff changeset
561 int curblocksize, curcompsize;
223b71206888 Initial import
thib
parents:
diff changeset
562 if (curblock != blocks-1) {
223b71206888 Initial import
thib
parents:
diff changeset
563 curblocksize = blocksize * (bps/8);
223b71206888 Initial import
thib
parents:
diff changeset
564 curcompsize = offsets[curblock+1] - offsets[curblock];
223b71206888 Initial import
thib
parents:
diff changeset
565 if (curblocksize >= blocksize*(bps/8)*2) return -1; // Fatal error
223b71206888 Initial import
thib
parents:
diff changeset
566 } else {
223b71206888 Initial import
thib
parents:
diff changeset
567 curblocksize = restsize * (bps/8);
223b71206888 Initial import
thib
parents:
diff changeset
568 curcompsize = blocksize*(bps/8)*2;
223b71206888 Initial import
thib
parents:
diff changeset
569 }
223b71206888 Initial import
thib
parents:
diff changeset
570 if (skip_count > blocksize/channels) {
223b71206888 Initial import
thib
parents:
diff changeset
571 skip_count -= blocksize/channels;
223b71206888 Initial import
thib
parents:
diff changeset
572 fseek(in, curcompsize, SEEK_CUR);
223b71206888 Initial import
thib
parents:
diff changeset
573 curblock++;
223b71206888 Initial import
thib
parents:
diff changeset
574 return -2;
223b71206888 Initial import
thib
parents:
diff changeset
575 }
223b71206888 Initial import
thib
parents:
diff changeset
576 /* ¥Ç¡¼¥¿Æɤ߹þ¤ß */
223b71206888 Initial import
thib
parents:
diff changeset
577 fread(tmpdata, 1, curcompsize, in);
223b71206888 Initial import
thib
parents:
diff changeset
578 /* Ÿ³« */
223b71206888 Initial import
thib
parents:
diff changeset
579 if (channels == 2 && bps == 16 && complevel == 2) {
223b71206888 Initial import
thib
parents:
diff changeset
580 NWAInfo_sw2 info;
223b71206888 Initial import
thib
parents:
diff changeset
581 NWADecode(info, tmpdata, data, curcompsize, curblocksize);
223b71206888 Initial import
thib
parents:
diff changeset
582 } else {
223b71206888 Initial import
thib
parents:
diff changeset
583 NWAInfo info(channels, bps, complevel);
223b71206888 Initial import
thib
parents:
diff changeset
584 NWADecode(info, tmpdata, data, curcompsize, curblocksize);
223b71206888 Initial import
thib
parents:
diff changeset
585 }
223b71206888 Initial import
thib
parents:
diff changeset
586 int retsize = curblocksize;
223b71206888 Initial import
thib
parents:
diff changeset
587 if (skip_count) {
223b71206888 Initial import
thib
parents:
diff changeset
588 int skip_c = skip_count * channels * (bps/8);
223b71206888 Initial import
thib
parents:
diff changeset
589 retsize -= skip_c;
223b71206888 Initial import
thib
parents:
diff changeset
590 memmove(data, data+skip_c, skip_c);
223b71206888 Initial import
thib
parents:
diff changeset
591 skip_count = 0;
223b71206888 Initial import
thib
parents:
diff changeset
592 }
223b71206888 Initial import
thib
parents:
diff changeset
593 curblock++;
223b71206888 Initial import
thib
parents:
diff changeset
594 return retsize;
223b71206888 Initial import
thib
parents:
diff changeset
595 }
223b71206888 Initial import
thib
parents:
diff changeset
596
223b71206888 Initial import
thib
parents:
diff changeset
597 #ifdef USE_MAIN
223b71206888 Initial import
thib
parents:
diff changeset
598
223b71206888 Initial import
thib
parents:
diff changeset
599 void conv(FILE* in, FILE* out, int skip_count, int in_size = -1) {
223b71206888 Initial import
thib
parents:
diff changeset
600 NWAData h;
223b71206888 Initial import
thib
parents:
diff changeset
601 h.ReadHeader(in, in_size);
223b71206888 Initial import
thib
parents:
diff changeset
602 h.CheckHeader();
223b71206888 Initial import
thib
parents:
diff changeset
603 int bs = h.BlockLength();
223b71206888 Initial import
thib
parents:
diff changeset
604 char* d = new char[bs];
223b71206888 Initial import
thib
parents:
diff changeset
605 int err;
223b71206888 Initial import
thib
parents:
diff changeset
606 while( (err=h.Decode(in, d, skip_count)) != 0) {
223b71206888 Initial import
thib
parents:
diff changeset
607 if (err == -1) break;
223b71206888 Initial import
thib
parents:
diff changeset
608 if (err == -2) continue;
223b71206888 Initial import
thib
parents:
diff changeset
609 fwrite(d, err, 1, out);
223b71206888 Initial import
thib
parents:
diff changeset
610 }
223b71206888 Initial import
thib
parents:
diff changeset
611 return;
223b71206888 Initial import
thib
parents:
diff changeset
612 }
223b71206888 Initial import
thib
parents:
diff changeset
613 int main(int argc, char** argv) {
223b71206888 Initial import
thib
parents:
diff changeset
614 int skip_count = 0;
223b71206888 Initial import
thib
parents:
diff changeset
615
223b71206888 Initial import
thib
parents:
diff changeset
616 if (argc > 2 && strcmp(argv[1], "--skip") == 0) {
223b71206888 Initial import
thib
parents:
diff changeset
617 skip_count = atoi(argv[2]);
223b71206888 Initial import
thib
parents:
diff changeset
618 argc -= 2;
223b71206888 Initial import
thib
parents:
diff changeset
619 argv[1] = argv[3];
223b71206888 Initial import
thib
parents:
diff changeset
620 argv[2] = argv[4];
223b71206888 Initial import
thib
parents:
diff changeset
621 }
223b71206888 Initial import
thib
parents:
diff changeset
622 if (argc != 2 && argc != 3) {
223b71206888 Initial import
thib
parents:
diff changeset
623 fprintf(stderr,"usage : nwatowav [inputfile [outputfile]]\n");
223b71206888 Initial import
thib
parents:
diff changeset
624 return -1;
223b71206888 Initial import
thib
parents:
diff changeset
625 }
223b71206888 Initial import
thib
parents:
diff changeset
626 if (strstr(argv[1], ".nwk") != 0 || strstr(argv[1], ".ovk") != 0) {
223b71206888 Initial import
thib
parents:
diff changeset
627 bool is_ovk;
223b71206888 Initial import
thib
parents:
diff changeset
628 int headblk_sz;
223b71206888 Initial import
thib
parents:
diff changeset
629 char* out_ext;
223b71206888 Initial import
thib
parents:
diff changeset
630
223b71206888 Initial import
thib
parents:
diff changeset
631 char* outpath = new char[strlen(argv[1])+10];
223b71206888 Initial import
thib
parents:
diff changeset
632 char buf[1024];
223b71206888 Initial import
thib
parents:
diff changeset
633 memset(buf, 0, 1024);
223b71206888 Initial import
thib
parents:
diff changeset
634 FILE* in = fopen(argv[1], "rb");
223b71206888 Initial import
thib
parents:
diff changeset
635 if (in == 0) {
223b71206888 Initial import
thib
parents:
diff changeset
636 fprintf(stderr,"Cannot open file : %s\n",argv[1]);
223b71206888 Initial import
thib
parents:
diff changeset
637 return -1;
223b71206888 Initial import
thib
parents:
diff changeset
638 }
223b71206888 Initial import
thib
parents:
diff changeset
639 if (strstr(argv[1], ".ovk") != 0) {
223b71206888 Initial import
thib
parents:
diff changeset
640 is_ovk = true;
223b71206888 Initial import
thib
parents:
diff changeset
641 headblk_sz = 16;
223b71206888 Initial import
thib
parents:
diff changeset
642 out_ext = "ogg";
223b71206888 Initial import
thib
parents:
diff changeset
643 } else {
223b71206888 Initial import
thib
parents:
diff changeset
644 is_ovk = false;
223b71206888 Initial import
thib
parents:
diff changeset
645 headblk_sz = 12;
223b71206888 Initial import
thib
parents:
diff changeset
646 out_ext = "wav";
223b71206888 Initial import
thib
parents:
diff changeset
647 }
223b71206888 Initial import
thib
parents:
diff changeset
648 fread(buf, 1, 4, in);
223b71206888 Initial import
thib
parents:
diff changeset
649 int index = read_little_endian_int(buf);
223b71206888 Initial import
thib
parents:
diff changeset
650 if (index <= 0) {
223b71206888 Initial import
thib
parents:
diff changeset
651 if (is_ovk)
223b71206888 Initial import
thib
parents:
diff changeset
652 fprintf(stderr,"Invalid Ogg-ovk file : %s : index = %d\n",argv[1],index);
223b71206888 Initial import
thib
parents:
diff changeset
653 else
223b71206888 Initial import
thib
parents:
diff changeset
654 fprintf(stderr,"Invalid Koe-nwk file : %s : index = %d\n",argv[1],index);
223b71206888 Initial import
thib
parents:
diff changeset
655 return -1;
223b71206888 Initial import
thib
parents:
diff changeset
656 }
223b71206888 Initial import
thib
parents:
diff changeset
657 int* tbl_off = new int[index];
223b71206888 Initial import
thib
parents:
diff changeset
658 int* tbl_siz = new int[index];
223b71206888 Initial import
thib
parents:
diff changeset
659 int* tbl_cnt = new int[index];
223b71206888 Initial import
thib
parents:
diff changeset
660 int* tbl_origsiz = new int[index];
223b71206888 Initial import
thib
parents:
diff changeset
661 int i;
223b71206888 Initial import
thib
parents:
diff changeset
662 for (i=0; i<index; i++) {
223b71206888 Initial import
thib
parents:
diff changeset
663 fread(buf, 1, headblk_sz, in);
223b71206888 Initial import
thib
parents:
diff changeset
664 tbl_siz[i] = read_little_endian_int(buf);
223b71206888 Initial import
thib
parents:
diff changeset
665 tbl_off[i] = read_little_endian_int(buf+4);
223b71206888 Initial import
thib
parents:
diff changeset
666 tbl_cnt[i] = read_little_endian_int(buf+8);
223b71206888 Initial import
thib
parents:
diff changeset
667 tbl_origsiz[i] = read_little_endian_int(buf+12);
223b71206888 Initial import
thib
parents:
diff changeset
668 }
223b71206888 Initial import
thib
parents:
diff changeset
669 fseek(in, 0, 2);
223b71206888 Initial import
thib
parents:
diff changeset
670 int fsize = ftell(in);
223b71206888 Initial import
thib
parents:
diff changeset
671 for (i=0; i<index; i++) {
223b71206888 Initial import
thib
parents:
diff changeset
672 if (tbl_off[i] <= 0 || tbl_siz[i] <= 0 || tbl_off[i]+tbl_siz[i] > fsize) {
223b71206888 Initial import
thib
parents:
diff changeset
673 fprintf(stderr,"Invalid table[%d] : cnt %d off %d size %d / %d\n",i,tbl_cnt[i],tbl_off[i],tbl_siz[i],fsize);
223b71206888 Initial import
thib
parents:
diff changeset
674 continue;
223b71206888 Initial import
thib
parents:
diff changeset
675 }
223b71206888 Initial import
thib
parents:
diff changeset
676 if (argc == 2)
223b71206888 Initial import
thib
parents:
diff changeset
677 sprintf(outpath, "%s-%d.%s", argv[1], tbl_cnt[i],out_ext);
223b71206888 Initial import
thib
parents:
diff changeset
678 else
223b71206888 Initial import
thib
parents:
diff changeset
679 sprintf(outpath, "%s-%d.%s", argv[2], tbl_cnt[i],out_ext);
223b71206888 Initial import
thib
parents:
diff changeset
680 FILE* out = fopen(outpath, "wb");
223b71206888 Initial import
thib
parents:
diff changeset
681 if (out == 0) {
223b71206888 Initial import
thib
parents:
diff changeset
682 fprintf(stderr,"Cannot open output file %s\n",outpath);
223b71206888 Initial import
thib
parents:
diff changeset
683 continue;
223b71206888 Initial import
thib
parents:
diff changeset
684 }
223b71206888 Initial import
thib
parents:
diff changeset
685 fprintf(stderr,"Writing file %s...\n",outpath);
223b71206888 Initial import
thib
parents:
diff changeset
686 fseek(in, tbl_off[i], 0);
223b71206888 Initial import
thib
parents:
diff changeset
687 if (is_ovk) { // copy file
223b71206888 Initial import
thib
parents:
diff changeset
688 int sz = tbl_siz[i];
223b71206888 Initial import
thib
parents:
diff changeset
689 char buf[32*1024];
223b71206888 Initial import
thib
parents:
diff changeset
690 while(sz > 32*1024) {
223b71206888 Initial import
thib
parents:
diff changeset
691 fread(buf, 32*1024, 1, in);
223b71206888 Initial import
thib
parents:
diff changeset
692 fwrite(buf, 32*1024, 1, out);
223b71206888 Initial import
thib
parents:
diff changeset
693 sz -= 1024*32;
223b71206888 Initial import
thib
parents:
diff changeset
694 }
223b71206888 Initial import
thib
parents:
diff changeset
695 if (sz > 0) {
223b71206888 Initial import
thib
parents:
diff changeset
696 fread(buf, sz, 1, in);
223b71206888 Initial import
thib
parents:
diff changeset
697 fwrite(buf, sz, 1, out);
223b71206888 Initial import
thib
parents:
diff changeset
698 }
223b71206888 Initial import
thib
parents:
diff changeset
699 } else { // .nwk
223b71206888 Initial import
thib
parents:
diff changeset
700 conv(in, out, 0, tbl_siz[i]);
223b71206888 Initial import
thib
parents:
diff changeset
701 }
223b71206888 Initial import
thib
parents:
diff changeset
702 fclose(out);
223b71206888 Initial import
thib
parents:
diff changeset
703 }
223b71206888 Initial import
thib
parents:
diff changeset
704 fclose(in);
223b71206888 Initial import
thib
parents:
diff changeset
705 return 0;
223b71206888 Initial import
thib
parents:
diff changeset
706 }
223b71206888 Initial import
thib
parents:
diff changeset
707 FILE* in = fopen(argv[1],"rb");
223b71206888 Initial import
thib
parents:
diff changeset
708 if (in == 0) {
223b71206888 Initial import
thib
parents:
diff changeset
709 fprintf(stderr,"Cannot open file : %s\n",argv[1]);
223b71206888 Initial import
thib
parents:
diff changeset
710 return -1;
223b71206888 Initial import
thib
parents:
diff changeset
711 }
223b71206888 Initial import
thib
parents:
diff changeset
712 FILE* out;
223b71206888 Initial import
thib
parents:
diff changeset
713 if (argc != 3 && (!isatty(fileno(stdout)))) { // wave file is written to stdout if stdout is redirected to a file
223b71206888 Initial import
thib
parents:
diff changeset
714 out = stdout;
223b71206888 Initial import
thib
parents:
diff changeset
715 } else { // make a new file or use argv[2] for output file name
223b71206888 Initial import
thib
parents:
diff changeset
716 char* outpath = new char[strlen(argv[1])+10];
223b71206888 Initial import
thib
parents:
diff changeset
717 sprintf(outpath, "%s.wav",argv[1]);
223b71206888 Initial import
thib
parents:
diff changeset
718 if (argc == 3) outpath = argv[2];
223b71206888 Initial import
thib
parents:
diff changeset
719 out = fopen(outpath, "wb");
223b71206888 Initial import
thib
parents:
diff changeset
720 if (out == 0) {
223b71206888 Initial import
thib
parents:
diff changeset
721 fprintf(stderr,"Cannot open file : %s\n",outpath);
223b71206888 Initial import
thib
parents:
diff changeset
722 return -1;
223b71206888 Initial import
thib
parents:
diff changeset
723 }
223b71206888 Initial import
thib
parents:
diff changeset
724 }
223b71206888 Initial import
thib
parents:
diff changeset
725 conv(in, out, skip_count);
223b71206888 Initial import
thib
parents:
diff changeset
726 fclose(in);
223b71206888 Initial import
thib
parents:
diff changeset
727 if (out != stdout) fclose(out);
223b71206888 Initial import
thib
parents:
diff changeset
728 return 0;
223b71206888 Initial import
thib
parents:
diff changeset
729 }
223b71206888 Initial import
thib
parents:
diff changeset
730 #else
223b71206888 Initial import
thib
parents:
diff changeset
731
223b71206888 Initial import
thib
parents:
diff changeset
732 #include"wavfile.h"
223b71206888 Initial import
thib
parents:
diff changeset
733
223b71206888 Initial import
thib
parents:
diff changeset
734 void NWAFILE::Seek(int count) {
223b71206888 Initial import
thib
parents:
diff changeset
735 if (data == 0) data = new char[block_size];
223b71206888 Initial import
thib
parents:
diff changeset
736 nwa->Rewind(stream);
223b71206888 Initial import
thib
parents:
diff changeset
737 int dmy = 0;
223b71206888 Initial import
thib
parents:
diff changeset
738 nwa->Decode(stream, data, dmy); // skip wav header
223b71206888 Initial import
thib
parents:
diff changeset
739 data_len = 0;
223b71206888 Initial import
thib
parents:
diff changeset
740 skip_count = count;
223b71206888 Initial import
thib
parents:
diff changeset
741 }
223b71206888 Initial import
thib
parents:
diff changeset
742 NWAFILE::NWAFILE(FILE* _stream) {
223b71206888 Initial import
thib
parents:
diff changeset
743 skip_count = 0;
223b71206888 Initial import
thib
parents:
diff changeset
744 data = 0;
223b71206888 Initial import
thib
parents:
diff changeset
745 stream = _stream;
223b71206888 Initial import
thib
parents:
diff changeset
746 nwa = new NWAData;
223b71206888 Initial import
thib
parents:
diff changeset
747 nwa->ReadHeader(stream);
223b71206888 Initial import
thib
parents:
diff changeset
748 if (!nwa->CheckHeader()) {
223b71206888 Initial import
thib
parents:
diff changeset
749 return;
223b71206888 Initial import
thib
parents:
diff changeset
750 }
223b71206888 Initial import
thib
parents:
diff changeset
751 block_size = nwa->BlockLength();
223b71206888 Initial import
thib
parents:
diff changeset
752 data = new char[block_size];
223b71206888 Initial import
thib
parents:
diff changeset
753 data_len = 0;
223b71206888 Initial import
thib
parents:
diff changeset
754
223b71206888 Initial import
thib
parents:
diff changeset
755 wavinfo.SamplingRate = nwa->freq;
223b71206888 Initial import
thib
parents:
diff changeset
756 wavinfo.Channels = nwa->channels;
223b71206888 Initial import
thib
parents:
diff changeset
757 wavinfo.DataBits = nwa->bps;
223b71206888 Initial import
thib
parents:
diff changeset
758
223b71206888 Initial import
thib
parents:
diff changeset
759 int dmy = 0;
223b71206888 Initial import
thib
parents:
diff changeset
760 data_len = nwa->Decode(stream, data, dmy); // skip wav header
223b71206888 Initial import
thib
parents:
diff changeset
761
223b71206888 Initial import
thib
parents:
diff changeset
762 return;
223b71206888 Initial import
thib
parents:
diff changeset
763 }
223b71206888 Initial import
thib
parents:
diff changeset
764 NWAFILE::~NWAFILE() {
223b71206888 Initial import
thib
parents:
diff changeset
765 if (stream) fclose(stream);
223b71206888 Initial import
thib
parents:
diff changeset
766 if (data) delete[] data;
223b71206888 Initial import
thib
parents:
diff changeset
767 if (nwa) delete nwa;
223b71206888 Initial import
thib
parents:
diff changeset
768 }
223b71206888 Initial import
thib
parents:
diff changeset
769 int NWAFILE::Read(char* buf, int blksize, int blklen) {
223b71206888 Initial import
thib
parents:
diff changeset
770 if (data == 0) return -1; // end of file
223b71206888 Initial import
thib
parents:
diff changeset
771
223b71206888 Initial import
thib
parents:
diff changeset
772 if (data_len > blksize * blklen) {
223b71206888 Initial import
thib
parents:
diff changeset
773 int len = blksize * blklen;
223b71206888 Initial import
thib
parents:
diff changeset
774 memcpy(buf, data, len);
223b71206888 Initial import
thib
parents:
diff changeset
775 memmove(data, data+len, data_len-len);
223b71206888 Initial import
thib
parents:
diff changeset
776 data_len -= len;
223b71206888 Initial import
thib
parents:
diff changeset
777 return blklen;
223b71206888 Initial import
thib
parents:
diff changeset
778 }
223b71206888 Initial import
thib
parents:
diff changeset
779 memcpy(buf, data, data_len);
223b71206888 Initial import
thib
parents:
diff changeset
780 int copied_length = data_len;
223b71206888 Initial import
thib
parents:
diff changeset
781 data_len = 0;
223b71206888 Initial import
thib
parents:
diff changeset
782
223b71206888 Initial import
thib
parents:
diff changeset
783 if (stream == 0) {
223b71206888 Initial import
thib
parents:
diff changeset
784 delete[] data;
223b71206888 Initial import
thib
parents:
diff changeset
785 data = 0;
223b71206888 Initial import
thib
parents:
diff changeset
786 return copied_length / blksize;
223b71206888 Initial import
thib
parents:
diff changeset
787 }
223b71206888 Initial import
thib
parents:
diff changeset
788
223b71206888 Initial import
thib
parents:
diff changeset
789 // read
223b71206888 Initial import
thib
parents:
diff changeset
790 do {
223b71206888 Initial import
thib
parents:
diff changeset
791 int err;
223b71206888 Initial import
thib
parents:
diff changeset
792 retry:
223b71206888 Initial import
thib
parents:
diff changeset
793 err = nwa->Decode(stream, data, skip_count);
223b71206888 Initial import
thib
parents:
diff changeset
794 if (err == 0 || err == -1) { // eof or error
223b71206888 Initial import
thib
parents:
diff changeset
795 delete[] data;
223b71206888 Initial import
thib
parents:
diff changeset
796 data = 0;
223b71206888 Initial import
thib
parents:
diff changeset
797 return copied_length / blksize;
223b71206888 Initial import
thib
parents:
diff changeset
798 }
223b71206888 Initial import
thib
parents:
diff changeset
799 if (err == -2) goto retry; // EAGAIN
223b71206888 Initial import
thib
parents:
diff changeset
800 data_len = err;
223b71206888 Initial import
thib
parents:
diff changeset
801 if (copied_length + data_len < blklen*blksize) {
223b71206888 Initial import
thib
parents:
diff changeset
802 memcpy(buf+copied_length, data, data_len);
223b71206888 Initial import
thib
parents:
diff changeset
803 copied_length += data_len;
223b71206888 Initial import
thib
parents:
diff changeset
804 goto retry;
223b71206888 Initial import
thib
parents:
diff changeset
805 }
223b71206888 Initial import
thib
parents:
diff changeset
806 } while(0);
223b71206888 Initial import
thib
parents:
diff changeset
807
223b71206888 Initial import
thib
parents:
diff changeset
808 // determine return length
223b71206888 Initial import
thib
parents:
diff changeset
809 int datablks = (data_len+copied_length)/blksize;
223b71206888 Initial import
thib
parents:
diff changeset
810 if (datablks <= 0) return 0;
223b71206888 Initial import
thib
parents:
diff changeset
811 if (datablks > blklen) datablks = blklen;
223b71206888 Initial import
thib
parents:
diff changeset
812 int rest_len = datablks * blksize - copied_length;
223b71206888 Initial import
thib
parents:
diff changeset
813 if (rest_len) {
223b71206888 Initial import
thib
parents:
diff changeset
814 memcpy(buf+copied_length, data, rest_len);
223b71206888 Initial import
thib
parents:
diff changeset
815 memmove(data, data+rest_len, data_len-rest_len);
223b71206888 Initial import
thib
parents:
diff changeset
816 data_len -= rest_len;
223b71206888 Initial import
thib
parents:
diff changeset
817 }
223b71206888 Initial import
thib
parents:
diff changeset
818 return datablks;
223b71206888 Initial import
thib
parents:
diff changeset
819 }
223b71206888 Initial import
thib
parents:
diff changeset
820
223b71206888 Initial import
thib
parents:
diff changeset
821 char* NWAFILE::ReadAll(FILE* in, int& total_size) {
223b71206888 Initial import
thib
parents:
diff changeset
822 NWAData h;
223b71206888 Initial import
thib
parents:
diff changeset
823 if (in == 0) return 0;
223b71206888 Initial import
thib
parents:
diff changeset
824 h.ReadHeader(in);
223b71206888 Initial import
thib
parents:
diff changeset
825 h.CheckHeader();
223b71206888 Initial import
thib
parents:
diff changeset
826 int bs = h.BlockLength();
223b71206888 Initial import
thib
parents:
diff changeset
827 total_size = h.datasize+0x2c;
223b71206888 Initial import
thib
parents:
diff changeset
828 char* d = new char[total_size + bs*2];
223b71206888 Initial import
thib
parents:
diff changeset
829 int dcur = 0;
223b71206888 Initial import
thib
parents:
diff changeset
830 int err;
223b71206888 Initial import
thib
parents:
diff changeset
831 int skip = 0;
223b71206888 Initial import
thib
parents:
diff changeset
832 while(dcur < total_size+bs && (err=h.Decode(in, d+dcur, skip)) != 0) {
223b71206888 Initial import
thib
parents:
diff changeset
833 if (err == -1) break;
223b71206888 Initial import
thib
parents:
diff changeset
834 if (err == -2) continue;
223b71206888 Initial import
thib
parents:
diff changeset
835 dcur += err;
223b71206888 Initial import
thib
parents:
diff changeset
836 }
223b71206888 Initial import
thib
parents:
diff changeset
837 return d;
223b71206888 Initial import
thib
parents:
diff changeset
838 }
223b71206888 Initial import
thib
parents:
diff changeset
839
223b71206888 Initial import
thib
parents:
diff changeset
840 #include"music.h"
223b71206888 Initial import
thib
parents:
diff changeset
841
223b71206888 Initial import
thib
parents:
diff changeset
842 char* decode_koe_nwa(AvgKoeInfo info, int* data_len) {
223b71206888 Initial import
thib
parents:
diff changeset
843 NWAData h;
223b71206888 Initial import
thib
parents:
diff changeset
844 if (info.stream == 0) return 0;
223b71206888 Initial import
thib
parents:
diff changeset
845 fseek(info.stream, info.offset, 0);
223b71206888 Initial import
thib
parents:
diff changeset
846 h.ReadHeader(info.stream, info.length);
223b71206888 Initial import
thib
parents:
diff changeset
847 if (h.CheckHeader() == false) return 0;
223b71206888 Initial import
thib
parents:
diff changeset
848 int bs = h.BlockLength();
223b71206888 Initial import
thib
parents:
diff changeset
849 int total = h.datasize + 0x2c;
223b71206888 Initial import
thib
parents:
diff changeset
850 char* d = new char[total + bs*2];
223b71206888 Initial import
thib
parents:
diff changeset
851 int dcur = 0;
223b71206888 Initial import
thib
parents:
diff changeset
852 int err;
223b71206888 Initial import
thib
parents:
diff changeset
853 int skip = 0;
223b71206888 Initial import
thib
parents:
diff changeset
854 while(dcur < total+bs && (err=h.Decode(info.stream, d+dcur, skip)) != 0) {
223b71206888 Initial import
thib
parents:
diff changeset
855 if (err == -1) break;
223b71206888 Initial import
thib
parents:
diff changeset
856 if (err == -2) continue;
223b71206888 Initial import
thib
parents:
diff changeset
857 dcur += err;
223b71206888 Initial import
thib
parents:
diff changeset
858 }
223b71206888 Initial import
thib
parents:
diff changeset
859 if (data_len) {
223b71206888 Initial import
thib
parents:
diff changeset
860 *data_len = dcur;
223b71206888 Initial import
thib
parents:
diff changeset
861 if (*data_len > total) *data_len = total;
223b71206888 Initial import
thib
parents:
diff changeset
862 }
223b71206888 Initial import
thib
parents:
diff changeset
863 return d;
223b71206888 Initial import
thib
parents:
diff changeset
864 }
223b71206888 Initial import
thib
parents:
diff changeset
865
223b71206888 Initial import
thib
parents:
diff changeset
866 #endif