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Consolidate update usage table calls

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[ Merge of http://go/wvgerrit/23980 ]

In OEMCrypto version 13, usage information is updated by calls to
OEMCrypto_UpdateUsageEntry. In previous versions calls were made to
OEMCrypto_UpdateUsageTable instead. Both need to be supported as the
OEMCrypto version may vary by device.

This consolidates calls to OEMCrypto_UpdateUsageTable so that they
can be disabled if OEMCrypto version >= 13. No functional changes other
than disabling by OEMCrypto version were introduced in this section.

Helper routines have been added to device files as well.

b/34327459

Test: Verified by unit, integration tests on angler

Change-Id: If5d4bbbe7589e7cc1094999ba21f727eb6c92c3b
This commit is contained in:
Rahul Frias
2017-02-13 13:56:30 -08:00
parent 0db3a137e9
commit 826e390ad6
3 changed files with 193 additions and 131 deletions
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7
libwvdrmengine/cdm/core/include/device_files.h
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@@ -139,10 +139,15 @@ class DeviceFiles {
virtual bool ListUsageInfoFiles(std::vector<std::string>* usage_file_names);
virtual bool RetrieveUsageInfo(const std::string& usage_info_file_name,
std::vector<CdmUsageData>* usage_data);
virtual bool RetrieveUsageInfo(const std::string& usage_info_file_name,
const std::string& provider_session_token,
CdmUsageData* usage_data);
// This method overwrites rather than appends data to the usage file
virtual bool StoreUsageInfo(const std::string& usage_info_file_name,
const std::vector<CdmUsageData>& usage_data);
virtual bool UpdateUsageInfo(const std::string& usage_info_file_name,
const std::string& provider_session_token,
const CdmUsageData& usage_data);
virtual bool StoreHlsAttributes(const std::string& key_set_id,
const CdmHlsMethod method,