diff options
Diffstat (limited to 'include/media/IHDCP.h')
-rw-r--r-- | include/media/IHDCP.h | 26 |
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" |