media-libs/libdvdread/files/libdvdread-4.1.3-media-protect.patch

   1 diff -Nur libdvdread-4.1.3_p1168-orig/src/dvd_input.c libdvdread-4.1.3_p1168/src/dvd_input.c
   2 --- libdvdread-4.1.3_p1168-orig/src/dvd_input.c 2009-03-09 18:41:50.000000000 +0100
   3 +++ libdvdread-4.1.3_p1168/src/dvd_input.c      2010-08-16 01:52:24.000000000 +0200
   4 @@ -332,6 +332,8 @@
   5    }
   6  #endif /* HAVE_DVDCSS_DVDCSS_H */
   7
   8 +  fprintf(stderr, "libdvdread patched to play DVDs with DVD-Movie-Protect\n");
   9 +
  10    if(dvdcss_library != NULL) {
  11      /*
  12      char *psz_method = getenv( "DVDCSS_METHOD" );
  13 diff -Nur libdvdread-4.1.3_p1168-orig/src/dvd_udf.c libdvdread-4.1.3_p1168/src/dvd_udf.c
  14 --- libdvdread-4.1.3_p1168-orig/src/dvd_udf.c   2009-03-09 18:41:50.000000000 +0100
  15 +++ libdvdread-4.1.3_p1168/src/dvd_udf.c        2010-08-16 01:53:03.000000000 +0200
  16 @@ -38,10 +38,16 @@
  17  #include <sys/stat.h>
  18  #include <unistd.h>
  19  #include <inttypes.h>
  20 +#ifndef __WIN32__
  21 +#include <fnmatch.h>
  22 +#endif
  23
  24  #include "dvdread/dvd_reader.h"
  25  #include "dvdread/dvd_udf.h"
  26
  27 +#include "dvdread/ifo_types.h"
  28 +#include "dvdread/ifo_read.h"
  29 +
  30  /* Private but located in/shared with dvd_reader.c */
  31  extern int UDFReadBlocksRaw( dvd_reader_t *device, uint32_t lb_number,
  32                               size_t block_count, unsigned char *data,
  33 @@ -784,7 +790,7 @@
  34    return part->valid;
  35  }
  36
  37 -uint32_t UDFFindFile( dvd_reader_t *device, char *filename,
  38 +static uint32_t UDFFindFileReal( dvd_reader_t *device, char *filename,
  39                        uint32_t *filesize )
  40  {
  41    uint8_t LogBlock_base[ DVD_VIDEO_LB_LEN + 2048 ];
  42 @@ -863,6 +869,83 @@
  43      return partition.Start + File.Location;
  44  }
  45
  46 +/**
  47 + * Get the offset from the ifo files to allow playback of DVDs
  48 + * with a deliberately broken UDF file system (aka DVD-Movie-Protect).
  49 + * When the file is not an IFO or VOB, it calls the real UDF routine.
  50 + */
  51 +uint32_t UDFFindFile( dvd_reader_t *device, char *filename,
  52 +                     uint32_t *filesize )
  53 +{
  54 +#ifndef __WIN32__
  55 +  if (!fnmatch("/VIDEO_TS/VTS_[0-9][0-9]_[0-9].???", filename, FNM_PATHNAME)) {
  56 +#else
  57 +  if (strlen("/VIDEO_TS/VTS_01_1.VOB") == strlen(filename)
  58 +      && !strncmp(filename, "/VIDEO_TS/VTS_", strlen("/VIDEO_TS/VTS_"))        ) {
  59 +#endif
  60 +               size_t len = strlen(filename);
  61 +               char *extension = &filename[len-3];
  62 +               if (!strcmp(extension, "IFO") || !strcmp(extension, "VOB")) {
  63 +                       int title = atoi(&filename[len-8]);
  64 +                       int part = atoi(&filename[len-5]);
  65 +
  66 +                       ifo_handle_t *ifo_handle = ifoOpen(device, 0);
  67 +                       if (0 == ifo_handle)
  68 +                               return 0;
  69 +
  70 +                       uint32_t tmp_filesize;
  71 +                       uint32_t offset = UDFFindFileReal(device, "/VIDEO_TS/VIDEO_TS.IFO", &tmp_filesize);
  72 +
  73 +                       int i;
  74 +                       for (i=0; i<ifo_handle->tt_srpt->nr_of_srpts; i++)
  75 +                               if (title == ifo_handle->tt_srpt->title[i].title_set_nr)
  76 +                                       break;
  77 +
  78 +                       if (i == ifo_handle->tt_srpt->nr_of_srpts) {
  79 +                               /* not found */
  80 +                               ifoClose(ifo_handle);
  81 +                               return 0;
  82 +                       }
  83 +                       offset += ifo_handle->tt_srpt->title[i].title_set_sector;
  84 +                       ifoClose(ifo_handle);
  85 +
  86 +                       if (!strcmp(extension, "VOB")) {
  87 +                               ifo_handle = ifoOpen(device, title);
  88 +                               if (0 == ifo_handle)
  89 +                                       return 0;
  90 +
  91 +                               switch(part) {
  92 +                                       case 0:
  93 +                                               if (0 == ifo_handle->vtsi_mat->vtsm_vobs) {
  94 +                                                       ifoClose(ifo_handle);
  95 +                                                       return 0;
  96 +                                               }
  97 +                                               offset += ifo_handle->vtsi_mat->vtsm_vobs;
  98 +                                               break;
  99 +                                       case 1:
 100 +                                               if (0 == ifo_handle->vtsi_mat->vtstt_vobs) {
 101 +                                                       ifoClose(ifo_handle);
 102 +                                                       return 0;
 103 +                                               }
 104 +                                               offset += ifo_handle->vtsi_mat->vtstt_vobs;
 105 +                                               break;
 106 +                                       default: /* can't get other parts (also no need to) */
 107 +                                               offset = 0;
 108 +                                               break;
 109 +                               }
 110 +
 111 +                               ifoClose(ifo_handle);
 112 +                       }
 113 +
 114 +
 115 +                       *filesize = 1000000; /* File size unknown */
 116 +                       if (offset != 0)
 117 +                               return offset;
 118 +               }
 119 +       }
 120 +
 121 +       return UDFFindFileReal( device, filename, filesize);
 122 +}
 123
 124
 125  /**