widevine-partner/media_cas_client
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Group license support

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This commit is contained in:
Lu Chen
2021-03-05 16:09:59 -08:00
parent 00785b2ccd
commit 5c81c1aa9e
30 changed files with 1236 additions and 585 deletions
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19
protos/media_cas.proto
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@@ -15,6 +15,10 @@ message CaDescriptorPrivateData {
// Content ID.
optional bytes content_id = 2;
// Entitlement key IDs for current content per track. Each track will allow up
// to 2 entitlement key ids (odd and even entitlement keys).
repeated bytes entitlement_key_ids = 3;
}
// Widevine fingerprinting.
@@ -76,6 +80,18 @@ message EcmKeyData {
optional bytes content_iv = 4;
}
message EcmGroupKeyData {
// Group id of this key data.
optional bytes group_id = 1;
// Required. The key data for the even slot. Fields wrapped_key_iv and
// content_iv may be omitted if it is the same as EcmPayload.even_key_data.
optional EcmKeyData even_key_data = 2;
// Optional. The key data for the odd slot if key rotation is enabled. Fields
// wrapped_key_iv and content_iv may be omitted if it is the same as
// EcmPayload.odd_key_data.
optional EcmKeyData odd_key_data = 3;
}
message EcmPayload {
// Required. Meta info carried by the ECM.
optional EcmMetaData meta_data = 1;
@@ -87,6 +103,9 @@ message EcmPayload {
optional Fingerprinting fingerprinting = 4;
// Optional. Widevine service blocking information.
optional ServiceBlocking service_blocking = 5;
// If a channel belongs to a group, the content keys can additionally be
// encrypted by the group entitlement keys.
repeated EcmGroupKeyData group_key_data = 6;
}
// The payload field for an ECM with signature.