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various patches to libdvdread

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This commit is contained in:
Stephan Raue 2009-06-07 22:35:58 +02:00
parent 16981ff520
commit 7270ac4dc4
1 changed files with 123 additions and 0 deletions
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123
packages/multimedia/libdvdread/patches/10_brokent_udf_compat.diff Normal file
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@ -0,0 +1,123 @@
http://tobias.rautenkranz.ch/libdvdread_ifo.html.en
--- a/src/dvd_input.c 2005-09-19 15:43:08.000000000 +0200
+++ b/src/dvd_input.c 2008-02-21 09:42:01.000000000 +0100
@@ -376,6 +376,8 @@
}
#endif /* HAVE_DVDCSS_DVDCSS_H */
+ fprintf(stderr, "libdvdread patched to play DVDs with DVD-Movie-Protect\n");
+
if(dvdcss_library != NULL) {
/*
char *psz_method = getenv( "DVDCSS_METHOD" );
--- a/src/dvd_udf.c 2005-09-19 15:43:08.000000000 +0200
+++ b/dvd_udf.c 2008-02-21 09:42:01.000000000 +0100
@@ -39,10 +39,15 @@
#include <sys/stat.h>
#include <unistd.h>
#include <inttypes.h>
+#ifndef __WIN32__
+#include <fnmatch.h>
+#endif
#include "dvd_reader.h"
#include "dvd_udf.h"
+#include "ifo_types.h"
+#include "ifo_read.h"
/* Private but located in/shared with dvd_reader.c */
extern int UDFReadBlocksRaw( dvd_reader_t *device, uint32_t lb_number,
size_t block_count, unsigned char *data,
@@ -962,7 +968,7 @@
return part->valid;
}
-uint32_t UDFFindFile( dvd_reader_t *device, char *filename,
+uint32_t UDFFindFileReal( dvd_reader_t *device, char *filename,
uint32_t *filesize )
{
uint8_t LogBlock_base[ DVD_VIDEO_LB_LEN + 2048 ];
@@ -1065,6 +1071,83 @@
}
}
+/**
+ * Get the offset from the ifo files to allow playback of DVDs
+ * with a deliberately broken UDF file system (aka DVD-Movie-Protect).
+ * When the file is not an IFO or VOB, it calls the real UDF routine.
+ */
+uint32_t UDFFindFile( dvd_reader_t *device, char *filename,
+ uint32_t *filesize )
+{
+#ifndef __WIN32__
+ if (!fnmatch("/VIDEO_TS/VTS_[0-9][0-9]_[0-9].???", filename, FNM_PATHNAME)) {
+#else
+ if (strlen("/VIDEO_TS/VTS_01_1.VOB") == strlen(filename)
+ && !strncmp(filename, "/VIDEO_TS/VTS_", strlen("/VIDEO_TS/VTS_")) ) {
+#endif
+ size_t len = strlen(filename);
+ char *extension = &filename[len-3];
+ if (!strcmp(extension, "IFO") || !strcmp(extension, "VOB")) {
+ int title = atoi(&filename[len-8]);
+ int part = atoi(&filename[len-5]);
+
+ ifo_handle_t *ifo_handle = ifoOpen(device, 0);
+ if (0 == ifo_handle)
+ return 0;
+
+ uint32_t tmp_filesize;
+ uint32_t offset = UDFFindFileReal(device, "/VIDEO_TS/VIDEO_TS.IFO", &tmp_filesize);
+
+ int i;
+ for (i=0; i<ifo_handle->tt_srpt->nr_of_srpts; i++)
+ if (title == ifo_handle->tt_srpt->title[i].title_set_nr)
+ break;
+
+ if (i == ifo_handle->tt_srpt->nr_of_srpts) {
+ /* not found */
+ ifoClose(ifo_handle);
+ return 0;
+ }
+ offset += ifo_handle->tt_srpt->title[i].title_set_sector;
+ ifoClose(ifo_handle);
+
+ if (!strcmp(extension, "VOB")) {
+ ifo_handle = ifoOpen(device, title);
+ if (0 == ifo_handle)
+ return 0;
+
+ switch(part) {
+ case 0:
+ if (0 == ifo_handle->vtsi_mat->vtsm_vobs) {
+ ifoClose(ifo_handle);
+ return 0;
+ }
+ offset += ifo_handle->vtsi_mat->vtsm_vobs;
+ break;
+ case 1:
+ if (0 == ifo_handle->vtsi_mat->vtstt_vobs) {
+ ifoClose(ifo_handle);
+ return 0;
+ }
+ offset += ifo_handle->vtsi_mat->vtstt_vobs;
+ break;
+ default: /* can't get other parts (also no need to) */
+ offset = 0;
+ break;
+ }
+
+ ifoClose(ifo_handle);
+ }
+
+
+ *filesize = 1000000; /* File size unknown */
+ if (offset != 0)
+ return offset;
+ }
+ }
+
+ return UDFFindFileReal( device, filename, filesize);
+}
/**