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Fix cens Mode in Android CDM

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am: e0f4942b8f

Change-Id: Ie043c99a62c6f04c6b5733b47767d8873111a43c
This commit is contained in:
John "Juce" Bruce
2016-08-29 21:24:27 +00:00
committed by android-build-merger
parent 2b6f90c631 e0f4942b8f
commit 442099fb15
4 changed files with 9 additions and 26 deletions
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4
libwvdrmengine/cdm/core/include/wv_cdm_types.h
View File

@@ -282,11 +282,9 @@ enum CdmCipherMode {
struct CdmCencPatternEncryptionDescriptor {
size_t encrypt_blocks; // number of 16 byte blocks to decrypt
size_t skip_blocks; // number of 16 byte blocks to leave in clear
size_t offset_blocks; // offset into the pattern for this call, in blocks
CdmCencPatternEncryptionDescriptor()
: encrypt_blocks(0),
skip_blocks(0),
offset_blocks(0) {}
skip_blocks(0) {}
};
struct CdmDecryptionParameters {

2
libwvdrmengine/cdm/core/src/crypto_session.cpp
View File

@@ -689,7 +689,7 @@ CdmResponseType CryptoSession::Decrypt(const CdmDecryptionParameters& params) {
OEMCrypto_CENCEncryptPatternDesc pattern_descriptor;
pattern_descriptor.encrypt = params.pattern_descriptor.encrypt_blocks;
pattern_descriptor.skip = params.pattern_descriptor.skip_blocks;
pattern_descriptor.offset = params.pattern_descriptor.offset_blocks;
pattern_descriptor.offset = 0; // Deprecated field
AutoLock auto_lock(crypto_lock_);
// Check if key needs to be selected
if (params.is_encrypted) {