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69 lines
2.8 KiB
69 lines
2.8 KiB
/* |
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* Copyright (c) 2009-2011 Intel Corporation. All rights reserved. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef VIDEO_DECODER_AVC_SECURE_H |
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#define VIDEO_DECODER_AVC_SECURE_H |
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#include "VideoDecoderBase.h" |
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#include "VideoDecoderAVC.h" |
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#include "VideoDecoderDefs.h" |
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class VideoDecoderAVCSecure : public VideoDecoderAVC { |
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public: |
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VideoDecoderAVCSecure(const char *mimeType); |
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virtual Decode_Status start(VideoConfigBuffer *buffer); |
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virtual void stop(void); |
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// data in the decoded buffer is all encrypted. |
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virtual Decode_Status decode(VideoDecodeBuffer *buffer); |
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protected: |
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virtual Decode_Status decodeFrame(VideoDecodeBuffer *buffer, vbp_data_h264 *data); |
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virtual Decode_Status continueDecodingFrame(vbp_data_h264 *data); |
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virtual Decode_Status beginDecodingFrame(vbp_data_h264 *data); |
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virtual Decode_Status getCodecSpecificConfigs(VAProfile profile, VAConfigID*config); |
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Decode_Status parseClassicSliceHeader(VideoDecodeBuffer *buffer, vbp_data_h264 *data); |
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Decode_Status parseModularSliceHeader(VideoDecodeBuffer *buffer, vbp_data_h264 *data); |
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Decode_Status updateSliceParameter(vbp_data_h264 *data, void *sliceheaderbuf); |
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virtual Decode_Status decodeSlice(vbp_data_h264 *data, uint32_t picIndex, uint32_t sliceIndex); |
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private: |
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Decode_Status processClassicInputBuffer(VideoDecodeBuffer *buffer, vbp_data_h264 **data); |
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Decode_Status processModularInputBuffer(VideoDecodeBuffer *buffer, vbp_data_h264 **data); |
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int32_t mIsEncryptData; |
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int32_t mFrameSize; |
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uint8_t* mFrameData; |
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uint8_t* mClearData; |
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uint8_t* mCachedHeader; |
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int32_t mFrameIdx; |
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int32_t mModularMode; |
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enum { |
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MAX_SLICE_HEADER_NUM = 256, |
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}; |
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int32_t mSliceNum; |
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// Information of Slices in the Modular DRM Mode |
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struct SliceInfo { |
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uint8_t sliceHeaderByte; // first byte of the slice header |
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uint32_t sliceStartOffset; // offset of Slice unit in the firewalled buffer |
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uint32_t sliceByteOffset; // extra offset from the blockAligned slice offset |
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uint32_t sliceSize; // block aligned length of slice unit |
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uint32_t sliceLength; // actual size of the slice |
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}; |
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SliceInfo mSliceInfo[MAX_SLICE_HEADER_NUM]; |
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}; |
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#endif
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