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-rw-r--r--include/media/IHDCP.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/media/IHDCP.h b/include/media/IHDCP.h
index 6d27b18..352561e 100644
--- a/include/media/IHDCP.h
+++ b/include/media/IHDCP.h
@@ -17,6 +17,7 @@
#include <binder/IInterface.h>
#include <media/hardware/HDCPAPI.h>
#include <media/stagefright/foundation/ABase.h>
+#include <ui/GraphicBuffer.h>
namespace android {
@@ -45,6 +46,17 @@ struct IHDCP : public IInterface {
// Request to shutdown the active HDCP session.
virtual status_t shutdownAsync() = 0;
+ // Returns the capability bitmask of this HDCP session.
+ // Possible return values (please refer to HDCAPAPI.h):
+ // HDCP_CAPS_ENCRYPT: mandatory, meaning the HDCP module can encrypt
+ // from an input byte-array buffer to an output byte-array buffer
+ // HDCP_CAPS_ENCRYPT_NATIVE: the HDCP module supports encryption from
+ // a native buffer to an output byte-array buffer. The format of the
+ // input native buffer is specific to vendor's encoder implementation.
+ // It is the same format as that used by the encoder when
+ // "storeMetaDataInBuffers" extension is enabled on its output port.
+ virtual uint32_t getCaps() = 0;
+
// ENCRYPTION only:
// Encrypt data according to the HDCP spec. "size" bytes of data are
// available at "inData" (virtual address), "size" may not be a multiple
@@ -59,6 +71,20 @@ struct IHDCP : public IInterface {
const void *inData, size_t size, uint32_t streamCTR,
uint64_t *outInputCTR, void *outData) = 0;
+ // Encrypt data according to the HDCP spec. "size" bytes of data starting
+ // at location "offset" are available in "buffer" (buffer handle). "size"
+ // may not be a multiple of 128 bits (16 bytes). An equal number of
+ // encrypted bytes should be written to the buffer at "outData" (virtual
+ // address). This operation is to be synchronous, i.e. this call does not
+ // return until outData contains size bytes of encrypted data.
+ // streamCTR will be assigned by the caller (to 0 for the first PES stream,
+ // 1 for the second and so on)
+ // inputCTR _will_be_maintained_by_the_callee_ for each PES stream.
+ virtual status_t encryptNative(
+ const sp<GraphicBuffer> &graphicBuffer,
+ size_t offset, size_t size, uint32_t streamCTR,
+ uint64_t *outInputCTR, void *outData) = 0;
+
// DECRYPTION only:
// Decrypt data according to the HDCP spec.
// "size" bytes of encrypted data are available at "inData"