lxdream 0.9.1| filename | src/gdrom/cdi.c |
| changeset | 736:a02d1475ccfd |
| prev | 678:35eb00945316 |
| next | 759:f16975739abc |
| author | nkeynes |
| date | Mon Jul 14 07:44:42 2008 +0000 (15 years ago) |
| permissions | -rw-r--r-- |
| last change | Re-indent everything consistently Fix include guards for consistency as well |
| file | annotate | diff | log | raw |
1.1 --- a/src/gdrom/cdi.c Thu May 29 11:00:26 2008 +00001.2 +++ b/src/gdrom/cdi.c Mon Jul 14 07:44:42 2008 +00001.3 @@ -33,10 +33,10 @@1.4 static gdrom_disc_t cdi_image_open( const gchar *filename, FILE *f );1.6 struct gdrom_image_class cdi_image_class = { "DiscJuggler", "cdi",1.7 - cdi_image_is_valid, cdi_image_open };1.8 + cdi_image_is_valid, cdi_image_open };1.10 static const char TRACK_START_MARKER[20] = { 0,0,1,0,0,0,255,255,255,255,1.11 - 0,0,1,0,0,0,255,255,255,255 };1.12 + 0,0,1,0,0,0,255,255,255,255 };1.13 static const char EXT_MARKER[9] = {0,255,255,255,255,255,255,255,255 };1.15 struct cdi_trailer {1.16 @@ -66,10 +66,10 @@1.17 len = ftell(f)+8;1.18 fread( &trail, sizeof(trail), 1, f );1.19 if( trail.header_offset >= len ||1.20 - trail.header_offset == 0 )1.21 - return FALSE;1.22 + trail.header_offset == 0 )1.23 + return FALSE;1.24 return trail.cdi_version == CDI_V2_ID || trail.cdi_version == CDI_V3_ID ||1.25 - trail.cdi_version == CDI_V35_ID;1.26 + trail.cdi_version == CDI_V35_ID;1.27 }1.29 gdrom_disc_t cdi_image_open( const gchar *filename, FILE *f )1.30 @@ -89,119 +89,119 @@1.31 len = ftell(f)+8;1.32 fread( &trail, sizeof(trail), 1, f );1.33 if( trail.header_offset >= len ||1.34 - trail.header_offset == 0 )1.35 - return NULL;1.36 -1.37 + trail.header_offset == 0 )1.38 + return NULL;1.39 +1.40 if( trail.cdi_version != CDI_V2_ID && trail.cdi_version != CDI_V3_ID &&1.41 - trail.cdi_version != CDI_V35_ID ) {1.42 - return NULL;1.43 + trail.cdi_version != CDI_V35_ID ) {1.44 + return NULL;1.45 }1.47 if( trail.cdi_version == CDI_V35_ID ) {1.48 - fseek( f, -trail.header_offset, SEEK_END );1.49 + fseek( f, -trail.header_offset, SEEK_END );1.50 } else {1.51 - fseek( f, trail.header_offset, SEEK_SET );1.52 + fseek( f, trail.header_offset, SEEK_SET );1.53 }1.54 fread( &session_count, sizeof(session_count), 1, f );1.55 -1.56 +1.57 disc = gdrom_image_new(filename, f);1.58 if( disc == NULL ) {1.59 - ERROR("Unable to allocate memory!");1.60 - return NULL;1.61 + ERROR("Unable to allocate memory!");1.62 + return NULL;1.63 }1.64 image = (gdrom_image_t)disc;1.66 for( i=0; i< session_count; i++ ) {1.67 - fread( &track_count, sizeof(track_count), 1, f );1.68 - if( track_count + total_tracks > 99 ) {1.69 - ERROR( "Invalid number of tracks, bad cdi image\n" );1.70 - gdrom_image_destroy_no_close(disc);1.71 - return NULL;1.72 - }1.73 + fread( &track_count, sizeof(track_count), 1, f );1.74 + if( track_count + total_tracks > 99 ) {1.75 + ERROR( "Invalid number of tracks, bad cdi image\n" );1.76 + gdrom_image_destroy_no_close(disc);1.77 + return NULL;1.78 + }1.79 for( j=0; j<track_count; j++ ) {1.80 struct cdi_track_data trk;1.81 uint32_t new_fmt = 0;1.82 - uint8_t fnamelen = 0;1.83 + uint8_t fnamelen = 0;1.84 fread( &new_fmt, sizeof(new_fmt), 1, f );1.85 if( new_fmt != 0 ) { /* Additional data 3.00.780+ ?? */1.86 - fseek( f, 8, SEEK_CUR ); /* Skip */1.87 + fseek( f, 8, SEEK_CUR ); /* Skip */1.88 }1.89 fread( marker, 20, 1, f );1.90 if( memcmp( marker, TRACK_START_MARKER, 20) != 0 ) {1.91 - ERROR( "Track start marker not found, error reading cdi image\n" );1.92 - gdrom_image_destroy_no_close(disc);1.93 - return NULL;1.94 - }1.95 - fseek( f, 4, SEEK_CUR );1.96 + ERROR( "Track start marker not found, error reading cdi image\n" );1.97 + gdrom_image_destroy_no_close(disc);1.98 + return NULL;1.99 + }1.100 + fseek( f, 4, SEEK_CUR );1.101 fread( &fnamelen, 1, 1, f );1.102 fseek( f, (int)fnamelen, SEEK_CUR ); /* skip over the filename */1.103 - fseek( f, 19, SEEK_CUR );1.104 - fread( &new_fmt, sizeof(new_fmt), 1, f );1.105 - if( new_fmt == 0x80000000 ) {1.106 - fseek( f, 10, SEEK_CUR );1.107 - } else {1.108 - fseek( f, 2, SEEK_CUR );1.109 - }1.110 + fseek( f, 19, SEEK_CUR );1.111 + fread( &new_fmt, sizeof(new_fmt), 1, f );1.112 + if( new_fmt == 0x80000000 ) {1.113 + fseek( f, 10, SEEK_CUR );1.114 + } else {1.115 + fseek( f, 2, SEEK_CUR );1.116 + }1.117 fread( &trk, sizeof(trk), 1, f );1.118 - image->track[total_tracks].session = i;1.119 - image->track[total_tracks].lba = trk.start_lba + 150;1.120 - image->track[total_tracks].sector_count = trk.length;1.121 - switch( trk.mode ) {1.122 - case 0:1.123 - image->track[total_tracks].mode = GDROM_CDDA;1.124 - image->track[total_tracks].sector_size = 2352;1.125 - image->track[total_tracks].flags = 0x01;1.126 - if( trk.sector_size != 2 ) {1.127 - ERROR( "Invalid combination of mode %d with size %d", trk.mode, trk.sector_size );1.128 - gdrom_image_destroy_no_close(disc);1.129 - return NULL;1.130 - }1.131 - break;1.132 - case 1:1.133 - image->track[total_tracks].mode = GDROM_MODE1;1.134 - image->track[total_tracks].sector_size = 2048;1.135 - image->track[total_tracks].flags = 0x41;1.136 - if( trk.sector_size != 0 ) {1.137 - ERROR( "Invalid combination of mode %d with size %d", trk.mode, trk.sector_size );1.138 - gdrom_image_destroy_no_close(disc);1.139 - return NULL;1.140 - }1.141 - break;1.142 - case 2:1.143 - image->track[total_tracks].flags = 0x41;1.144 - switch( trk.sector_size ) {1.145 - case 0:1.146 - image->track[total_tracks].mode = GDROM_MODE2_FORM1;1.147 - image->track[total_tracks].sector_size = 2048;1.148 - break;1.149 - case 1:1.150 - image->track[total_tracks].mode = GDROM_SEMIRAW_MODE2;1.151 - image->track[total_tracks].sector_size = 2336;1.152 - break;1.153 - case 2:1.154 - default:1.155 - ERROR( "Invalid combination of mode %d with size %d", trk.mode, trk.sector_size );1.156 - gdrom_image_destroy_no_close(disc);1.157 - return NULL;1.158 - }1.159 - break;1.160 - default:1.161 - ERROR( "Unsupported track mode %d", trk.mode );1.162 - gdrom_image_destroy_no_close(disc);1.163 - return NULL;1.164 - }1.165 - image->track[total_tracks].offset = posn +1.166 - trk.pregap_length * image->track[total_tracks].sector_size ;1.167 - posn += trk.total_length * image->track[total_tracks].sector_size;1.168 - total_tracks++;1.169 - fread( marker, 1, 9, f );1.170 - if( memcmp( marker, EXT_MARKER, 9 ) == 0 ) {1.171 - fseek( f, 79, SEEK_CUR );1.172 - } else {1.173 - fseek( f, -9, SEEK_CUR );1.174 - }1.175 - }1.176 - fseek( f, 12, SEEK_CUR );1.177 + image->track[total_tracks].session = i;1.178 + image->track[total_tracks].lba = trk.start_lba + 150;1.179 + image->track[total_tracks].sector_count = trk.length;1.180 + switch( trk.mode ) {1.181 + case 0:1.182 + image->track[total_tracks].mode = GDROM_CDDA;1.183 + image->track[total_tracks].sector_size = 2352;1.184 + image->track[total_tracks].flags = 0x01;1.185 + if( trk.sector_size != 2 ) {1.186 + ERROR( "Invalid combination of mode %d with size %d", trk.mode, trk.sector_size );1.187 + gdrom_image_destroy_no_close(disc);1.188 + return NULL;1.189 + }1.190 + break;1.191 + case 1:1.192 + image->track[total_tracks].mode = GDROM_MODE1;1.193 + image->track[total_tracks].sector_size = 2048;1.194 + image->track[total_tracks].flags = 0x41;1.195 + if( trk.sector_size != 0 ) {1.196 + ERROR( "Invalid combination of mode %d with size %d", trk.mode, trk.sector_size );1.197 + gdrom_image_destroy_no_close(disc);1.198 + return NULL;1.199 + }1.200 + break;1.201 + case 2:1.202 + image->track[total_tracks].flags = 0x41;1.203 + switch( trk.sector_size ) {1.204 + case 0:1.205 + image->track[total_tracks].mode = GDROM_MODE2_FORM1;1.206 + image->track[total_tracks].sector_size = 2048;1.207 + break;1.208 + case 1:1.209 + image->track[total_tracks].mode = GDROM_SEMIRAW_MODE2;1.210 + image->track[total_tracks].sector_size = 2336;1.211 + break;1.212 + case 2:1.213 + default:1.214 + ERROR( "Invalid combination of mode %d with size %d", trk.mode, trk.sector_size );1.215 + gdrom_image_destroy_no_close(disc);1.216 + return NULL;1.217 + }1.218 + break;1.219 + default:1.220 + ERROR( "Unsupported track mode %d", trk.mode );1.221 + gdrom_image_destroy_no_close(disc);1.222 + return NULL;1.223 + }1.224 + image->track[total_tracks].offset = posn +1.225 + trk.pregap_length * image->track[total_tracks].sector_size ;1.226 + posn += trk.total_length * image->track[total_tracks].sector_size;1.227 + total_tracks++;1.228 + fread( marker, 1, 9, f );1.229 + if( memcmp( marker, EXT_MARKER, 9 ) == 0 ) {1.230 + fseek( f, 79, SEEK_CUR );1.231 + } else {1.232 + fseek( f, -9, SEEK_CUR );1.233 + }1.234 + }1.235 + fseek( f, 12, SEEK_CUR );1.236 }1.237 image->track_count = total_tracks;1.238 return disc;
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