| /* INTEL CONFIDENTIAL |
| * Copyright (c) 2009-2011 Intel Corporation. All rights reserved. |
| * |
| * The source code contained or described herein and all documents |
| * related to the source code ("Material") are owned by Intel |
| * Corporation or its suppliers or licensors. Title to the |
| * Material remains with Intel Corporation or its suppliers and |
| * licensors. The Material contains trade secrets and proprietary |
| * and confidential information of Intel or its suppliers and |
| * licensors. The Material is protected by worldwide copyright and |
| * trade secret laws and treaty provisions. No part of the Material |
| * may be used, copied, reproduced, modified, published, uploaded, |
| * posted, transmitted, distributed, or disclosed in any way without |
| * Intel's prior express written permission. |
| * |
| * No license under any patent, copyright, trade secret or other |
| * intellectual property right is granted to or conferred upon you |
| * by disclosure or delivery of the Materials, either expressly, by |
| * implication, inducement, estoppel or otherwise. Any license |
| * under such intellectual property rights must be express and |
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| * |
| */ |
| |
| #ifndef VIDEO_DECODER_AVC_SECURE_H |
| #define VIDEO_DECODER_AVC_SECURE_H |
| |
| #include "VideoDecoderBase.h" |
| #include "VideoDecoderAVC.h" |
| #include "VideoDecoderDefs.h" |
| |
| class VideoDecoderAVCSecure : public VideoDecoderAVC { |
| public: |
| VideoDecoderAVCSecure(const char *mimeType); |
| virtual Decode_Status start(VideoConfigBuffer *buffer); |
| virtual void stop(void); |
| |
| // data in the decoded buffer is all encrypted. |
| virtual Decode_Status decode(VideoDecodeBuffer *buffer); |
| protected: |
| virtual Decode_Status decodeFrame(VideoDecodeBuffer *buffer, vbp_data_h264 *data); |
| virtual Decode_Status continueDecodingFrame(vbp_data_h264 *data); |
| virtual Decode_Status beginDecodingFrame(vbp_data_h264 *data); |
| virtual Decode_Status getCodecSpecificConfigs(VAProfile profile, VAConfigID*config); |
| Decode_Status parseClassicSliceHeader(VideoDecodeBuffer *buffer, vbp_data_h264 *data); |
| Decode_Status parseModularSliceHeader(VideoDecodeBuffer *buffer, vbp_data_h264 *data); |
| |
| Decode_Status updateSliceParameter(vbp_data_h264 *data, void *sliceheaderbuf); |
| virtual Decode_Status decodeSlice(vbp_data_h264 *data, uint32_t picIndex, uint32_t sliceIndex); |
| private: |
| Decode_Status processClassicInputBuffer(VideoDecodeBuffer *buffer, vbp_data_h264 **data); |
| Decode_Status processModularInputBuffer(VideoDecodeBuffer *buffer, vbp_data_h264 **data); |
| int32_t mIsEncryptData; |
| int32_t mFrameSize; |
| uint8_t* mFrameData; |
| uint8_t* mClearData; |
| uint8_t* mCachedHeader; |
| int32_t mFrameIdx; |
| int32_t mModularMode; |
| |
| enum { |
| MAX_SLICE_HEADER_NUM = 256, |
| }; |
| int32_t mSliceNum; |
| // Information of Slices in the Modular DRM Mode |
| struct SliceInfo { |
| uint8_t sliceHeaderByte; // first byte of the slice header |
| uint32_t sliceStartOffset; // offset of Slice unit in the firewalled buffer |
| uint32_t sliceByteOffset; // extra offset from the blockAligned slice offset |
| uint32_t sliceSize; // block aligned length of slice unit |
| uint32_t sliceLength; // actual size of the slice |
| }; |
| |
| SliceInfo mSliceInfo[MAX_SLICE_HEADER_NUM]; |
| }; |
| |
| #endif |