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70 lines
2.2 KiB
70 lines
2.2 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_MPEG4_H_ |
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#define VIDEO_DECODER_MPEG4_H_ |
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#include "VideoDecoderBase.h" |
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class VideoDecoderMPEG4 : public VideoDecoderBase { |
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public: |
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VideoDecoderMPEG4(const char *mimeType); |
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virtual ~VideoDecoderMPEG4(); |
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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 checkHardwareCapability(); |
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private: |
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Decode_Status decodeFrame(VideoDecodeBuffer *buffer, vbp_data_mp42 *data); |
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Decode_Status beginDecodingFrame(vbp_data_mp42 *data); |
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Decode_Status continueDecodingFrame(vbp_data_mp42 *data); |
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Decode_Status decodeSlice(vbp_data_mp42 *data, vbp_picture_data_mp42 *picData); |
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Decode_Status setReference(VAPictureParameterBufferMPEG4 *picParam); |
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Decode_Status startVA(vbp_data_mp42 *data); |
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void updateFormatInfo(vbp_data_mp42 *data); |
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private: |
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// Value of VOP type defined here follows MP4 spec |
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enum { |
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MP4_VOP_TYPE_I = 0, |
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MP4_VOP_TYPE_P = 1, |
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MP4_VOP_TYPE_B = 2, |
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MP4_VOP_TYPE_S = 3, |
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}; |
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enum { |
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MP4_SURFACE_NUMBER = 10, |
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}; |
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uint64_t mLastVOPTimeIncrement; |
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bool mExpectingNVOP; // indicate if future n-vop is a placeholder of a packed frame |
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bool mSendIQMatrixBuf; // indicate if iq_matrix_buffer is sent to driver |
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int32_t mLastVOPCodingType; |
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bool mIsSyncFrame; // indicate if it is SyncFrame in container |
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bool mIsShortHeader; // indicate if it is short header format |
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VideoExtensionBuffer mExtensionBuffer; |
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PackedFrameData mPackedFrame; |
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}; |
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#endif /* VIDEO_DECODER_MPEG4_H_ */
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