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Don't add offsets to ion handles

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Fixes a secure buffer addressing offset error in the Widevine
CENC drm engine.

bug: 8667527

Merges the following from Widevine CDM repository:

Allow specification of offset into secure buffer
https://widevine-internal-review.googlesource.com/#/c/5100/

Update WVCryptoPlugin to Pass Output Offset as a Separate Parameter
https://widevine-internal-review.googlesource.com/#/c/5120/

Add offset to secure data buffer in OEMCrypto DecryptCTR
https://widevine-internal-review.googlesource.com/#/c/5110/

Change-Id: Ic3e4b35304c8fbae4aebe4c495285eb787e8c205
This commit is contained in:
Jeff Tinker
2013-04-19 16:40:38 -07:00
parent 87c3f5652f
commit d29372909d
15 changed files with 62 additions and 40 deletions
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3
libwvdrmengine/cdm/include/wv_content_decryption_module.h
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@@ -68,7 +68,8 @@ class WvContentDecryptionModule {
size_t encrypt_length,
const std::vector<uint8_t>& iv,
size_t block_offset,
void* decrypt_buffer);
void* decrypt_buffer,
size_t decrypt_buffer_offset);
// Event listener related methods
virtual bool AttachEventListener(const CdmSessionId& session_id,