A few discs have an aacs folder with a unit_key_ro.inf file
consisting only of NULL bytes and only unencrypted content in
BDMV/STREAM directory.
This case can be detected on their always identical discid value
In case such a disc is deteced return AACS_SUCCESS to allow
playback of disc.
Reason of change: https://github.com/OpenELEC/OpenELEC.tv/pull/4378
---
src/libaacs/aacs.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/libaacs/aacs.c b/src/libaacs/aacs.c
index 1bd8ad5..5de09ac 100644
--- a/src/libaacs/aacs.c
+++ b/src/libaacs/aacs.c
@@ -1067,6 +1067,10 @@ int aacs_open_device(AACS *aacs, const char *path, const
char *configfile_path)
error_code = _calc_title_hash(aacs);
if (error_code != AACS_SUCCESS) {
return error_code;
+ } else if (!memcmp(aacs->disc_id,
"\xEC\x6A\xFE\x5D\xF8\xA1\x32\x50\x68\xB9\x53\x13\xF8\x2B\xD7\x2C\x09\xD4\xF9\x63",
20)) {
+ /* in case the unit_key_ro.inf contains only NULL byte values it's
SHA1 hash is 'ec6afe5df8a1325068b95313f82bd72c09d4f963' */
+ BD_DEBUG(DBG_AACS, "Detected 0-Byte AACS file - no AACS processing
necessary\n");
+ return AACS_SUCCESS;
}
cf = keydbcfg_config_load(configfile_path);
--
2.6.3.windows.1
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