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85 lines
3.1 KiB
85 lines
3.1 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_H_ |
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#define VIDEO_DECODER_AVC_H_ |
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#include "VideoDecoderBase.h" |
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class VideoDecoderAVC : public VideoDecoderBase { |
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public: |
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VideoDecoderAVC(const char *mimeType); |
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virtual ~VideoDecoderAVC(); |
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virtual Decode_Status start(VideoConfigBuffer *buffer); |
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virtual void stop(void); |
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virtual void flush(void); |
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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 beginDecodingFrame(vbp_data_h264 *data); |
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virtual Decode_Status continueDecodingFrame(vbp_data_h264 *data); |
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virtual Decode_Status decodeSlice(vbp_data_h264 *data, uint32_t picIndex, uint32_t sliceIndex); |
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Decode_Status setReference(VASliceParameterBufferH264 *sliceParam); |
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Decode_Status updateDPB(VAPictureParameterBufferH264 *picParam); |
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Decode_Status updateReferenceFrames(vbp_picture_data_h264 *picData); |
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void removeReferenceFromDPB(VAPictureParameterBufferH264 *picParam); |
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int32_t getPOC(VAPictureH264 *pic); // Picture Order Count |
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inline VASurfaceID findSurface(VAPictureH264 *pic); |
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inline VideoSurfaceBuffer* findSurfaceBuffer(VAPictureH264 *pic); |
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inline VideoSurfaceBuffer* findRefSurfaceBuffer(VAPictureH264 *pic); |
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inline void invalidateDPB(int toggle); |
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inline void clearAsReference(int toggle); |
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Decode_Status startVA(vbp_data_h264 *data); |
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void updateFormatInfo(vbp_data_h264 *data); |
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Decode_Status handleNewSequence(vbp_data_h264 *data); |
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bool isNewFrame(vbp_data_h264 *data, bool equalPTS); |
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int32_t getDPBSize(vbp_data_h264 *data); |
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virtual Decode_Status checkHardwareCapability(); |
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#ifdef USE_AVC_SHORT_FORMAT |
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virtual Decode_Status getCodecSpecificConfigs(VAProfile profile, VAConfigID*config); |
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#endif |
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bool isWiDiStatusChanged(); |
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private: |
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struct DecodedPictureBuffer { |
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VideoSurfaceBuffer *surfaceBuffer; |
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int32_t poc; // Picture Order Count |
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}; |
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enum { |
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AVC_EXTRA_SURFACE_NUMBER = 11, |
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// maximum DPB (Decoded Picture Buffer) size |
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MAX_REF_NUMBER = 16, |
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DPB_SIZE = 17, // DPB_SIZE = MAX_REF_NUMBER + 1, |
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REF_LIST_SIZE = 32, |
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}; |
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// maintain 2 ping-pong decoded picture buffers |
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DecodedPictureBuffer mDPBs[2][DPB_SIZE]; |
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uint8_t mToggleDPB; // 0 or 1 |
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bool mErrorConcealment; |
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uint32_t mLastPictureFlags; |
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VideoExtensionBuffer mExtensionBuffer; |
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PackedFrameData mPackedFrame; |
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bool mAdaptive; |
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}; |
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#endif /* VIDEO_DECODER_AVC_H_ */
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